Decompiled source of DIO OH v1.0.2

plugins/DIOOH.dll

Decompiled a day ago
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.Versioning;
using System.Security;
using System.Security.Permissions;
using BepInEx;
using BepInEx.Bootstrap;
using BepInEx.Configuration;
using BepInEx.Logging;
using DIOOH.Modules;
using DIOOH.Modules.Characters;
using DIOOH.Survivors.DIO;
using DIOOH.Survivors.DIO.Components;
using DIOOH.Survivors.DIO.SkillStates;
using EntityStates;
using EntityStates.AI.Walker;
using EntityStates.ClayBruiser.Weapon;
using EntityStates.GolemMonster;
using EntityStates.GreaterWispMonster;
using EntityStates.TitanMonster;
using EntityStates.Wisp1Monster;
using HG;
using HG.BlendableTypes;
using NAudio.Wave;
using On.EntityStates.ClayBruiser.Weapon;
using On.EntityStates.GolemMonster;
using On.EntityStates.GreaterWispMonster;
using On.EntityStates.TitanMonster;
using On.EntityStates.Wisp1Monster;
using On.RoR2;
using On.RoR2.Orbs;
using On.RoR2.Projectile;
using R2API;
using R2API.Utils;
using RoR2;
using RoR2.Achievements;
using RoR2.Audio;
using RoR2.CharacterAI;
using RoR2.ContentManagement;
using RoR2.Orbs;
using RoR2.Projectile;
using RoR2.Skills;
using UnityEngine;
using UnityEngine.Networking;
using UnityEngine.Rendering;
using UnityEngine.Rendering.PostProcessing;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: TargetFramework(".NETStandard,Version=v2.1", FrameworkDisplayName = ".NET Standard 2.1")]
[assembly: AssemblyCompany("DIOOH")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0")]
[assembly: AssemblyProduct("DIOOH")]
[assembly: AssemblyTitle("DIOOH")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("1.0.0.0")]
[module: UnverifiableCode]
namespace DIOOH
{
	[NetworkCompatibility(/*Could not decode attribute arguments.*/)]
	[BepInPlugin("com.ES15.DIOOH", "DIOOH", "1.0.2")]
	public class DIOOHPlugin : BaseUnityPlugin
	{
		public const string MODUID = "com.ES15.DIOOH";

		public const string MODNAME = "DIOOH";

		public const string MODVERSION = "1.0.2";

		public const string DEVELOPER_PREFIX = "ES15";

		public static DIOOHPlugin instance;

		private void Awake()
		{
			instance = this;
			Log.Init(((BaseUnityPlugin)this).Logger);
			Language.Init();
			new DIOSurvivor().Initialize();
			new ContentPacks().Initialize();
		}
	}
	internal static class Log
	{
		internal static ManualLogSource _logSource;

		internal static void Init(ManualLogSource logSource)
		{
			_logSource = logSource;
		}

		internal static void Debug(object data)
		{
			_logSource.LogDebug(data);
		}

		internal static void Error(object data)
		{
			_logSource.LogError(data);
		}

		internal static void ErrorAssetBundle(string assetName, string bundleName)
		{
			Error("failed to load asset, " + assetName + ", because it does not exist in asset bundle, " + bundleName);
		}

		internal static void Fatal(object data)
		{
			_logSource.LogFatal(data);
		}

		internal static void Info(object data)
		{
			_logSource.LogInfo(data);
		}

		internal static void Message(object data)
		{
			_logSource.LogMessage(data);
		}

		internal static void Warning(object data)
		{
			_logSource.LogWarning(data);
		}
	}
}
namespace DIOOH.Modules
{
	internal static class Asset
	{
		internal static Dictionary<string, AssetBundle> loadedBundles = new Dictionary<string, AssetBundle>();

		internal static AssetBundle LoadAssetBundle(string bundleName)
		{
			if (bundleName == "myassetbundle")
			{
				Log.Error("AssetBundle name hasn't been changed. not loading any assets to avoid conflicts.\nMake sure to rename your assetbundle filename and rename the AssetBundleName field in your character setup code ");
				return null;
			}
			if (loadedBundles.ContainsKey(bundleName))
			{
				return loadedBundles[bundleName];
			}
			AssetBundle val = null;
			try
			{
				val = AssetBundle.LoadFromFile(Path.Combine(Path.GetDirectoryName(((BaseUnityPlugin)DIOOHPlugin.instance).Info.Location), "AssetBundles", bundleName));
			}
			catch (Exception arg)
			{
				Log.Error($"Error loading asset bundle, {bundleName}. Your asset bundle must be in a folder next to your mod dll called 'AssetBundles'. Follow the guide to build and install your mod correctly!\n{arg}");
			}
			loadedBundles[bundleName] = val;
			return val;
		}

		internal static GameObject CloneTracer(string originalTracerName, string newTracerName)
		{
			if ((Object)(object)LegacyResourcesAPI.Load<GameObject>("Prefabs/Effects/Tracers/" + originalTracerName) == (Object)null)
			{
				return null;
			}
			GameObject val = PrefabAPI.InstantiateClone(LegacyResourcesAPI.Load<GameObject>("Prefabs/Effects/Tracers/" + originalTracerName), newTracerName, true);
			if (!Object.op_Implicit((Object)(object)val.GetComponent<EffectComponent>()))
			{
				val.AddComponent<EffectComponent>();
			}
			if (!Object.op_Implicit((Object)(object)val.GetComponent<VFXAttributes>()))
			{
				val.AddComponent<VFXAttributes>();
			}
			if (!Object.op_Implicit((Object)(object)val.GetComponent<NetworkIdentity>()))
			{
				val.AddComponent<NetworkIdentity>();
			}
			val.GetComponent<Tracer>().speed = 250f;
			val.GetComponent<Tracer>().length = 50f;
			Content.CreateAndAddEffectDef(val);
			return val;
		}

		internal static void ConvertAllRenderersToHopooShader(GameObject objectToConvert)
		{
			if (!Object.op_Implicit((Object)(object)objectToConvert))
			{
				return;
			}
			MeshRenderer[] componentsInChildren = objectToConvert.GetComponentsInChildren<MeshRenderer>();
			foreach (MeshRenderer val in componentsInChildren)
			{
				if (Object.op_Implicit((Object)(object)val) && Object.op_Implicit((Object)(object)((Renderer)val).sharedMaterial))
				{
					((Renderer)val).sharedMaterial.ConvertDefaultShaderToHopoo();
				}
			}
			SkinnedMeshRenderer[] componentsInChildren2 = objectToConvert.GetComponentsInChildren<SkinnedMeshRenderer>();
			foreach (SkinnedMeshRenderer val2 in componentsInChildren2)
			{
				if (Object.op_Implicit((Object)(object)val2) && Object.op_Implicit((Object)(object)((Renderer)val2).sharedMaterial))
				{
					((Renderer)val2).sharedMaterial.ConvertDefaultShaderToHopoo();
				}
			}
		}

		internal static GameObject LoadCrosshair(string crosshairName)
		{
			GameObject val = LegacyResourcesAPI.Load<GameObject>("Prefabs/Crosshair/" + crosshairName + "Crosshair");
			if ((Object)(object)val == (Object)null)
			{
				Log.Error("could not load crosshair with the name " + crosshairName + ". defaulting to Standard");
				return LegacyResourcesAPI.Load<GameObject>("Prefabs/Crosshair/StandardCrosshair");
			}
			return val;
		}

		internal static GameObject LoadEffect(this AssetBundle assetBundle, string resourceName, bool parentToTransform)
		{
			return assetBundle.LoadEffect(resourceName, "", parentToTransform);
		}

		internal static GameObject LoadEffect(this AssetBundle assetBundle, string resourceName, string soundName = "", bool parentToTransform = false)
		{
			//IL_003c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0050: Unknown result type (might be due to invalid IL or missing references)
			GameObject val = assetBundle.LoadAsset<GameObject>(resourceName);
			if (!Object.op_Implicit((Object)(object)val))
			{
				Log.ErrorAssetBundle(resourceName, ((Object)assetBundle).name);
				return null;
			}
			val.AddComponent<DestroyOnTimer>().duration = 12f;
			val.AddComponent<NetworkIdentity>();
			val.AddComponent<VFXAttributes>().vfxPriority = (VFXPriority)2;
			EffectComponent obj = val.AddComponent<EffectComponent>();
			obj.applyScale = false;
			obj.effectIndex = (EffectIndex)(-1);
			obj.parentToReferencedTransform = parentToTransform;
			obj.positionAtReferencedTransform = true;
			obj.soundName = soundName;
			Content.CreateAndAddEffectDef(val);
			return val;
		}

		internal static GameObject CreateProjectileGhostPrefab(this AssetBundle assetBundle, string ghostName)
		{
			GameObject val = assetBundle.LoadAsset<GameObject>(ghostName);
			if ((Object)(object)val == (Object)null)
			{
				Log.Error("Failed to load ghost prefab " + ghostName);
			}
			if (!Object.op_Implicit((Object)(object)val.GetComponent<NetworkIdentity>()))
			{
				val.AddComponent<NetworkIdentity>();
			}
			if (!Object.op_Implicit((Object)(object)val.GetComponent<ProjectileGhostController>()))
			{
				val.AddComponent<ProjectileGhostController>();
			}
			ConvertAllRenderersToHopooShader(val);
			return val;
		}

		internal static GameObject CloneProjectilePrefab(string prefabName, string newPrefabName)
		{
			return PrefabAPI.InstantiateClone(LegacyResourcesAPI.Load<GameObject>("Prefabs/Projectiles/" + prefabName), newPrefabName);
		}

		internal static GameObject LoadAndAddProjectilePrefab(this AssetBundle assetBundle, string newPrefabName)
		{
			GameObject val = assetBundle.LoadAsset<GameObject>(newPrefabName);
			if ((Object)(object)val == (Object)null)
			{
				Log.ErrorAssetBundle(newPrefabName, ((Object)assetBundle).name);
				return null;
			}
			Content.AddProjectilePrefab(val);
			return val;
		}
	}
	public static class Config
	{
		public static ConfigFile MyConfig = ((BaseUnityPlugin)DIOOHPlugin.instance).Config;

		public static ConfigEntry<bool> CharacterEnableConfig(string section, string characterName, string description = "", bool enabledByDefault = true)
		{
			if (string.IsNullOrEmpty(description))
			{
				description = "Set to false to disable this character and as much of its code and content as possible";
			}
			return BindAndOptions(section, "Enable " + characterName, enabledByDefault, description, restartRequired: true);
		}

		public static ConfigEntry<T> BindAndOptions<T>(string section, string name, T defaultValue, string description = "", bool restartRequired = false)
		{
			return BindAndOptions(section, name, defaultValue, 0f, 20f, description, restartRequired);
		}

		public static ConfigEntry<T> BindAndOptions<T>(string section, string name, T defaultValue, float min, float max, string description = "", bool restartRequired = false)
		{
			if (string.IsNullOrEmpty(description))
			{
				description = name;
			}
			if (restartRequired)
			{
				description += " (restart required)";
			}
			ConfigEntry<T> result = MyConfig.Bind<T>(section, name, defaultValue, description);
			Chainloader.PluginInfos.ContainsKey("com.rune580.riskofoptions");
			return result;
		}

		public static ConfigEntry<float> BindAndOptionsSlider(string section, string name, float defaultValue, string description, float min = 0f, float max = 20f, bool restartRequired = false)
		{
			return BindAndOptions(section, name, defaultValue, min, max, description, restartRequired);
		}

		[MethodImpl(MethodImplOptions.NoInlining | MethodImplOptions.NoOptimization)]
		private static void TryRegisterOption<T>(ConfigEntry<T> entry, float min, float max, bool restartRequired)
		{
		}

		public static bool GetKeyPressed(KeyboardShortcut entry)
		{
			//IL_0010: Unknown result type (might be due to invalid IL or missing references)
			//IL_0036: Unknown result type (might be due to invalid IL or missing references)
			foreach (KeyCode modifier in ((KeyboardShortcut)(ref entry)).Modifiers)
			{
				if (!Input.GetKey(modifier))
				{
					return false;
				}
			}
			return Input.GetKeyDown(((KeyboardShortcut)(ref entry)).MainKey);
		}
	}
	internal class Content
	{
		internal static void AddCharacterBodyPrefab(GameObject bprefab)
		{
			ContentPacks.bodyPrefabs.Add(bprefab);
		}

		internal static void AddMasterPrefab(GameObject prefab)
		{
			ContentPacks.masterPrefabs.Add(prefab);
		}

		internal static void AddProjectilePrefab(GameObject prefab)
		{
			ContentPacks.projectilePrefabs.Add(prefab);
		}

		internal static void AddSurvivorDef(SurvivorDef survivorDef)
		{
			ContentPacks.survivorDefs.Add(survivorDef);
		}

		internal static void CreateSurvivor(GameObject bodyPrefab, GameObject displayPrefab, Color charColor, string tokenPrefix)
		{
			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
			CreateSurvivor(bodyPrefab, displayPrefab, charColor, tokenPrefix, null, 100f);
		}

		internal static void CreateSurvivor(GameObject bodyPrefab, GameObject displayPrefab, Color charColor, string tokenPrefix, float sortPosition)
		{
			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
			CreateSurvivor(bodyPrefab, displayPrefab, charColor, tokenPrefix, null, sortPosition);
		}

		internal static void CreateSurvivor(GameObject bodyPrefab, GameObject displayPrefab, Color charColor, string tokenPrefix, UnlockableDef unlockableDef)
		{
			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
			CreateSurvivor(bodyPrefab, displayPrefab, charColor, tokenPrefix, unlockableDef, 100f);
		}

		internal static void CreateSurvivor(GameObject bodyPrefab, GameObject displayPrefab, Color charColor, string tokenPrefix, UnlockableDef unlockableDef, float sortPosition)
		{
			//IL_0014: Unknown result type (might be due to invalid IL or missing references)
			//IL_0015: Unknown result type (might be due to invalid IL or missing references)
			SurvivorDef obj = ScriptableObject.CreateInstance<SurvivorDef>();
			obj.bodyPrefab = bodyPrefab;
			obj.displayPrefab = displayPrefab;
			obj.primaryColor = charColor;
			obj.cachedName = ((Object)bodyPrefab).name.Replace("Body", "");
			obj.displayNameToken = tokenPrefix + "NAME";
			obj.descriptionToken = tokenPrefix + "DESCRIPTION";
			obj.outroFlavorToken = tokenPrefix + "OUTRO_FLAVOR";
			obj.mainEndingEscapeFailureFlavorToken = tokenPrefix + "OUTRO_FAILURE";
			obj.desiredSortPosition = sortPosition;
			obj.unlockableDef = unlockableDef;
			AddSurvivorDef(obj);
		}

		internal static void AddUnlockableDef(UnlockableDef unlockableDef)
		{
			ContentPacks.unlockableDefs.Add(unlockableDef);
		}

		internal static UnlockableDef CreateAndAddUnlockbleDef(string identifier, string nameToken, Sprite achievementIcon)
		{
			UnlockableDef obj = ScriptableObject.CreateInstance<UnlockableDef>();
			obj.cachedName = identifier;
			obj.nameToken = nameToken;
			obj.achievementIcon = achievementIcon;
			AddUnlockableDef(obj);
			return obj;
		}

		internal static void AddSkillDef(SkillDef skillDef)
		{
			ContentPacks.skillDefs.Add(skillDef);
		}

		internal static void AddSkillFamily(SkillFamily skillFamily)
		{
			ContentPacks.skillFamilies.Add(skillFamily);
		}

		internal static void AddEntityState(Type entityState)
		{
			ContentPacks.entityStates.Add(entityState);
		}

		internal static void AddBuffDef(BuffDef buffDef)
		{
			ContentPacks.buffDefs.Add(buffDef);
		}

		internal static BuffDef CreateAndAddBuff(string buffName, Sprite buffIcon, Color buffColor, bool canStack, bool isDebuff)
		{
			//IL_000d: Unknown result type (might be due to invalid IL or missing references)
			//IL_000e: Unknown result type (might be due to invalid IL or missing references)
			BuffDef obj = ScriptableObject.CreateInstance<BuffDef>();
			((Object)obj).name = buffName;
			obj.buffColor = buffColor;
			obj.canStack = canStack;
			obj.isDebuff = isDebuff;
			obj.eliteDef = null;
			obj.iconSprite = buffIcon;
			AddBuffDef(obj);
			return obj;
		}

		internal static void AddEffectDef(EffectDef effectDef)
		{
			ContentPacks.effectDefs.Add(effectDef);
		}

		internal static EffectDef CreateAndAddEffectDef(GameObject effectPrefab)
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			//IL_0006: Unknown result type (might be due to invalid IL or missing references)
			//IL_000c: Expected O, but got Unknown
			//IL_000d: Expected O, but got Unknown
			EffectDef val = new EffectDef(effectPrefab);
			AddEffectDef(val);
			return val;
		}

		internal static void AddNetworkSoundEventDef(NetworkSoundEventDef networkSoundEventDef)
		{
			ContentPacks.networkSoundEventDefs.Add(networkSoundEventDef);
		}

		internal static NetworkSoundEventDef CreateAndAddNetworkSoundEventDef(string eventName)
		{
			NetworkSoundEventDef obj = ScriptableObject.CreateInstance<NetworkSoundEventDef>();
			obj.akId = AkSoundEngine.GetIDFromString(eventName);
			obj.eventName = eventName;
			AddNetworkSoundEventDef(obj);
			return obj;
		}
	}
	internal class ContentPacks : IContentPackProvider
	{
		internal ContentPack contentPack = new ContentPack();

		public static List<GameObject> bodyPrefabs = new List<GameObject>();

		public static List<GameObject> masterPrefabs = new List<GameObject>();

		public static List<GameObject> projectilePrefabs = new List<GameObject>();

		public static List<SurvivorDef> survivorDefs = new List<SurvivorDef>();

		public static List<UnlockableDef> unlockableDefs = new List<UnlockableDef>();

		public static List<SkillFamily> skillFamilies = new List<SkillFamily>();

		public static List<SkillDef> skillDefs = new List<SkillDef>();

		public static List<Type> entityStates = new List<Type>();

		public static List<BuffDef> buffDefs = new List<BuffDef>();

		public static List<EffectDef> effectDefs = new List<EffectDef>();

		public static List<NetworkSoundEventDef> networkSoundEventDefs = new List<NetworkSoundEventDef>();

		public string identifier => "com.ES15.DIOOH";

		public void Initialize()
		{
			//IL_0007: Unknown result type (might be due to invalid IL or missing references)
			//IL_0011: Expected O, but got Unknown
			ContentManager.collectContentPackProviders += new CollectContentPackProvidersDelegate(ContentManager_collectContentPackProviders);
		}

		private void ContentManager_collectContentPackProviders(AddContentPackProviderDelegate addContentPackProvider)
		{
			addContentPackProvider.Invoke((IContentPackProvider)(object)this);
		}

		public IEnumerator LoadStaticContentAsync(LoadStaticContentAsyncArgs args)
		{
			contentPack.identifier = identifier;
			contentPack.bodyPrefabs.Add(bodyPrefabs.ToArray());
			contentPack.masterPrefabs.Add(masterPrefabs.ToArray());
			contentPack.projectilePrefabs.Add(projectilePrefabs.ToArray());
			contentPack.survivorDefs.Add(survivorDefs.ToArray());
			contentPack.unlockableDefs.Add(unlockableDefs.ToArray());
			contentPack.skillDefs.Add(skillDefs.ToArray());
			contentPack.skillFamilies.Add(skillFamilies.ToArray());
			contentPack.entityStateTypes.Add(entityStates.ToArray());
			contentPack.buffDefs.Add(buffDefs.ToArray());
			contentPack.effectDefs.Add(effectDefs.ToArray());
			contentPack.networkSoundEventDefs.Add(networkSoundEventDefs.ToArray());
			args.ReportProgress(1f);
			yield break;
		}

		public IEnumerator GenerateContentPackAsync(GetContentPackAsyncArgs args)
		{
			ContentPack.Copy(contentPack, args.output);
			args.ReportProgress(1f);
			yield break;
		}

		public IEnumerator FinalizeAsync(FinalizeAsyncArgs args)
		{
			args.ReportProgress(1f);
			yield break;
		}
	}
	internal static class ItemDisplayCheck
	{
		public static List<Object> allDisplayedItems;

		public static void PrintUnused(ItemDisplayRuleSet itemDisplayRuleSet, string bodyName = "")
		{
			PrintUnused((IEnumerable<KeyAssetRuleGroup>)itemDisplayRuleSet.keyAssetRuleGroups.ToList(), bodyName);
		}

		public static void PrintUnused(IEnumerable<KeyAssetRuleGroup> ruleSet = null, string bodyName = "")
		{
			//IL_0036: Unknown result type (might be due to invalid IL or missing references)
			//IL_003b: Unknown result type (might be due to invalid IL or missing references)
			//IL_003d: Unknown result type (might be due to invalid IL or missing references)
			//IL_003f: Unknown result type (might be due to invalid IL or missing references)
			//IL_004d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0062: Unknown result type (might be due to invalid IL or missing references)
			//IL_0064: Unknown result type (might be due to invalid IL or missing references)
			string text = "generating item displays for " + bodyName;
			if (allDisplayedItems == null)
			{
				LazyGatherAllItems();
			}
			List<Object> list = new List<Object>(allDisplayedItems);
			string text2 = "";
			if (ruleSet != null)
			{
				foreach (KeyAssetRuleGroup item in ruleSet)
				{
					if (item.displayRuleGroup.rules.Length != 0)
					{
						list.Remove(item.keyAsset);
						if (string.IsNullOrEmpty(text2))
						{
							text2 = item.displayRuleGroup.rules[0].childName;
						}
					}
				}
			}
			if (string.IsNullOrEmpty(text2))
			{
				text2 = "Chest";
			}
			foreach (Object item2 in list)
			{
				string text3 = "";
				if (ItemDisplays.KeyAssetDisplayPrefabs.ContainsKey(item2))
				{
					text3 += SpitOutNewRule(item2, text2, ItemDisplays.KeyAssetDisplayPrefabs[item2]);
				}
				else
				{
					Log.Error($"COULD NOT FIND DISPLAY PREFABS FOR KEYASSET {item2}");
				}
				text += text3;
			}
			Log.Message(text);
		}

		private static void LazyGatherAllItems()
		{
			allDisplayedItems = new List<Object>(ItemDisplays.KeyAssetDisplayPrefabs.Keys);
			allDisplayedItems.Sort(delegate(Object item1, Object item2)
			{
				if (item1 is ItemDef && item2 is ItemDef)
				{
					return item1.name.CompareTo(item2.name);
				}
				if (item1 is EquipmentDef && item2 is EquipmentDef)
				{
					return item1.name.CompareTo(item2.name);
				}
				if (item1 is ItemDef && item2 is EquipmentDef)
				{
					return -1;
				}
				return (item1 is EquipmentDef && item2 is ItemDef) ? 1 : 0;
			});
		}

		private static string SpitOutNewRule(Object asset, string firstCompatibleChild, ItemDisplayRule[] displayRules)
		{
			//IL_0031: Unknown result type (might be due to invalid IL or missing references)
			//IL_008c: Unknown result type (might be due to invalid IL or missing references)
			if (displayRules.Length == 0)
			{
				return $"\n[NO DISPLAY RULES FOUND FOR THE KEYASSET {asset}";
			}
			string text = "\n            itemDisplayRules.Add(ItemDisplays.CreateDisplayRuleGroupWithRules(ItemDisplays.KeyAssets[\"" + asset.name + "\"]";
			for (int i = 0; i < displayRules.Length; i++)
			{
				text = (((int)displayRules[i].limbMask != 0) ? (text + ",\n" + $"                ItemDisplays.CreateLimbMaskDisplayRule(LimbFlags.{displayRules[i].limbMask})") : (text + ",\n                ItemDisplays.CreateDisplayRule(ItemDisplays.LoadDisplay(\"" + ((Object)displayRules[i].followerPrefab).name + "\"),\n                    \"" + firstCompatibleChild + "\",\n                    new Vector3(2, 2, 2),\n                    new Vector3(0, 0, 0),\n                    new Vector3(1, 1, 1)\n                    )"));
			}
			return text + "\n                ));";
		}
	}
	internal static class ItemDisplays
	{
		private static Dictionary<string, GameObject> itemDisplayPrefabs = new Dictionary<string, GameObject>();

		public static Dictionary<Object, ItemDisplayRule[]> KeyAssetDisplayPrefabs = new Dictionary<Object, ItemDisplayRule[]>();

		public static Dictionary<string, Object> KeyAssets = new Dictionary<string, Object>();

		public static int queuedDisplays;

		public static bool initialized = false;

		public static void LazyInit()
		{
			if (!initialized)
			{
				initialized = true;
				PopulateDisplays();
			}
		}

		internal static void DisposeWhenDone()
		{
			queuedDisplays--;
			if (queuedDisplays <= 0 && initialized)
			{
				initialized = false;
				itemDisplayPrefabs = null;
				KeyAssetDisplayPrefabs = null;
				KeyAssets = null;
			}
		}

		internal static void PopulateDisplays()
		{
			PopulateFromBody("LoaderBody");
		}

		private static void PopulateFromBody(string bodyName)
		{
			KeyAssetRuleGroup[] keyAssetRuleGroups = ((Component)LegacyResourcesAPI.Load<GameObject>("Prefabs/CharacterBodies/" + bodyName).GetComponent<ModelLocator>().modelTransform).GetComponent<CharacterModel>().itemDisplayRuleSet.keyAssetRuleGroups;
			for (int i = 0; i < keyAssetRuleGroups.Length; i++)
			{
				ItemDisplayRule[] rules = keyAssetRuleGroups[i].displayRuleGroup.rules;
				KeyAssetDisplayPrefabs[keyAssetRuleGroups[i].keyAsset] = rules;
				KeyAssets[keyAssetRuleGroups[i].keyAsset.name] = keyAssetRuleGroups[i].keyAsset;
				for (int j = 0; j < rules.Length; j++)
				{
					GameObject followerPrefab = rules[j].followerPrefab;
					if (Object.op_Implicit((Object)(object)followerPrefab))
					{
						string key = ((Object)followerPrefab).name?.ToLowerInvariant();
						if (!itemDisplayPrefabs.ContainsKey(key))
						{
							itemDisplayPrefabs[key] = followerPrefab;
						}
					}
				}
			}
		}

		private static void PopulateCustomLightningArm()
		{
			GameObject val = PrefabAPI.InstantiateClone(itemDisplayPrefabs["displaylightningarmright"], "DisplayLightningCustom", false);
			LimbMatcher component = val.GetComponent<LimbMatcher>();
			component.limbPairs[0].targetChildLimb = "LightningArm1";
			component.limbPairs[1].targetChildLimb = "LightningArm2";
			component.limbPairs[2].targetChildLimb = "LightningArmEnd";
			itemDisplayPrefabs["displaylightningarmcustom"] = val;
		}

		public static GameObject LoadDisplay(string name)
		{
			if (itemDisplayPrefabs.ContainsKey(name.ToLowerInvariant()) && Object.op_Implicit((Object)(object)itemDisplayPrefabs[name.ToLowerInvariant()]))
			{
				return itemDisplayPrefabs[name.ToLowerInvariant()];
			}
			Log.Error("item display " + name + " returned null");
			return null;
		}

		public static KeyAssetRuleGroup CreateDisplayRuleGroupWithRules(string itemName, params ItemDisplayRule[] rules)
		{
			//IL_0007: Unknown result type (might be due to invalid IL or missing references)
			return CreateDisplayRuleGroupWithRules(GetKeyAssetFromString(itemName), rules);
		}

		public static KeyAssetRuleGroup CreateDisplayRuleGroupWithRules(Object keyAsset_, params ItemDisplayRule[] rules)
		{
			//IL_0015: Unknown result type (might be due to invalid IL or missing references)
			//IL_0027: Unknown result type (might be due to invalid IL or missing references)
			//IL_0035: Unknown result type (might be due to invalid IL or missing references)
			//IL_0036: Unknown result type (might be due to invalid IL or missing references)
			//IL_003b: Unknown result type (might be due to invalid IL or missing references)
			if (keyAsset_ == (Object)null)
			{
				Log.Error("could not find keyasset");
			}
			return new KeyAssetRuleGroup
			{
				keyAsset = keyAsset_,
				displayRuleGroup = new DisplayRuleGroup
				{
					rules = rules
				}
			};
		}

		public static ItemDisplayRule CreateDisplayRule(string prefabName, string childName, Vector3 position, Vector3 rotation, Vector3 scale)
		{
			//IL_0007: Unknown result type (might be due to invalid IL or missing references)
			//IL_0008: Unknown result type (might be due to invalid IL or missing references)
			//IL_0009: Unknown result type (might be due to invalid IL or missing references)
			//IL_000b: Unknown result type (might be due to invalid IL or missing references)
			return CreateDisplayRule(LoadDisplay(prefabName), childName, position, rotation, scale);
		}

		public static ItemDisplayRule CreateDisplayRule(GameObject itemPrefab, string childName, Vector3 position, Vector3 rotation, Vector3 scale)
		{
			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
			//IL_000b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0023: Unknown result type (might be due to invalid IL or missing references)
			//IL_002a: Unknown result type (might be due to invalid IL or missing references)
			//IL_002b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0032: Unknown result type (might be due to invalid IL or missing references)
			//IL_0033: Unknown result type (might be due to invalid IL or missing references)
			//IL_003a: Unknown result type (might be due to invalid IL or missing references)
			//IL_003c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0041: Unknown result type (might be due to invalid IL or missing references)
			return new ItemDisplayRule
			{
				ruleType = (ItemDisplayRuleType)0,
				childName = childName,
				followerPrefab = itemPrefab,
				limbMask = (LimbFlags)0,
				localPos = position,
				localAngles = rotation,
				localScale = scale
			};
		}

		public static ItemDisplayRule CreateLimbMaskDisplayRule(LimbFlags limb)
		{
			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
			//IL_000b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0012: Unknown result type (might be due to invalid IL or missing references)
			//IL_0013: Unknown result type (might be due to invalid IL or missing references)
			//IL_002c: Unknown result type (might be due to invalid IL or missing references)
			return new ItemDisplayRule
			{
				ruleType = (ItemDisplayRuleType)1,
				limbMask = limb,
				childName = "",
				followerPrefab = null
			};
		}

		private static Object GetKeyAssetFromString(string itemName)
		{
			Object val = (Object)(object)LegacyResourcesAPI.Load<ItemDef>("ItemDefs/" + itemName);
			if (val == (Object)null)
			{
				val = (Object)(object)LegacyResourcesAPI.Load<EquipmentDef>("EquipmentDefs/" + itemName);
			}
			if (val == (Object)null)
			{
				Log.Error("Could not load keyasset for " + itemName);
			}
			return val;
		}
	}
	internal static class Language
	{
		public static string TokensOutput = "";

		public static bool usingLanguageFolder = false;

		public static bool printingEnabled = false;

		public static void Init()
		{
			if (usingLanguageFolder)
			{
				Language.collectLanguageRootFolders += Language_collectLanguageRootFolders;
			}
		}

		private static void Language_collectLanguageRootFolders(List<string> obj)
		{
			string text = Path.Combine(Path.GetDirectoryName(((BaseUnityPlugin)DIOOHPlugin.instance).Info.Location), "Language");
			if (Directory.Exists(text))
			{
				obj.Add(text);
			}
		}

		public static void Add(string token, string text)
		{
			if (!usingLanguageFolder)
			{
				LanguageAPI.Add(token, text);
			}
			if (printingEnabled)
			{
				TokensOutput = TokensOutput + "\n    \"" + token + "\" : \"" + text.Replace(Environment.NewLine, "\\n").Replace("\n", "\\n") + "\",";
			}
		}

		public static void PrintOutput(string fileName = "")
		{
			if (printingEnabled)
			{
				string text = "{\n    strings:\n    {" + TokensOutput + "\n    }\n}";
				Log.Message(fileName + ": \n" + text);
				if (!string.IsNullOrEmpty(fileName))
				{
					File.WriteAllText(Path.Combine(Directory.GetParent(((BaseUnityPlugin)DIOOHPlugin.instance).Info.Location).FullName, "Language", "en", fileName), text);
				}
				TokensOutput = "";
			}
		}
	}
	internal static class Materials
	{
		private static List<Material> cachedMaterials = new List<Material>();

		internal static Shader hotpoo = LegacyResourcesAPI.Load<Shader>("Shaders/Deferred/HGStandard");

		public static Material LoadMaterial(this AssetBundle assetBundle, string materialName)
		{
			return assetBundle.CreateHopooMaterialFromBundle(materialName);
		}

		public static Material CreateHopooMaterialFromBundle(this AssetBundle assetBundle, string materialName)
		{
			//IL_006e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0074: Expected O, but got Unknown
			Material val = cachedMaterials.Find(delegate(Material mat)
			{
				materialName.Replace(" (Instance)", "");
				return ((Object)mat).name.Contains(materialName);
			});
			if (Object.op_Implicit((Object)(object)val))
			{
				Log.Debug(((Object)val).name + " has already been loaded. returning cached");
				return val;
			}
			val = assetBundle.LoadAsset<Material>(materialName);
			if (!Object.op_Implicit((Object)(object)val))
			{
				Log.ErrorAssetBundle(materialName, ((Object)assetBundle).name);
				return new Material(hotpoo);
			}
			return val.ConvertDefaultShaderToHopoo();
		}

		public static Material SetHopooMaterial(this Material tempMat)
		{
			return tempMat.ConvertDefaultShaderToHopoo();
		}

		public static Material ConvertDefaultShaderToHopoo(this Material tempMat)
		{
			//IL_00d8: Unknown result type (might be due to invalid IL or missing references)
			//IL_0151: Unknown result type (might be due to invalid IL or missing references)
			if (Object.op_Implicit((Object)(object)tempMat) && (((Object)tempMat).name.StartsWith("matDIO") || ((Object)tempMat).name.StartsWith("matTWOH")))
			{
				return tempMat;
			}
			if (cachedMaterials.Contains(tempMat))
			{
				Log.Debug(((Object)tempMat).name + " has already been converted. returning cached");
				return tempMat;
			}
			string text = ((Object)tempMat.shader).name.ToLowerInvariant();
			if (!text.StartsWith("standard") && !text.StartsWith("autodesk"))
			{
				Log.Debug(((Object)tempMat).name + " is not unity standard shader. aborting material conversion");
				return tempMat;
			}
			float? num = null;
			Color? val = null;
			if (tempMat.IsKeywordEnabled("_NORMALMAP"))
			{
				num = tempMat.GetFloat("_BumpScale");
			}
			if (tempMat.IsKeywordEnabled("_EMISSION"))
			{
				val = tempMat.GetColor("_EmissionColor");
			}
			tempMat.shader = hotpoo;
			tempMat.SetTexture("_EmTex", tempMat.GetTexture("_EmissionMap"));
			tempMat.EnableKeyword("DITHER");
			if (num.HasValue)
			{
				tempMat.SetFloat("_NormalStrength", num.Value);
				tempMat.SetTexture("_NormalTex", tempMat.GetTexture("_BumpMap"));
			}
			if (val.HasValue)
			{
				tempMat.SetColor("_EmColor", val.Value);
				tempMat.SetFloat("_EmPower", 1f);
			}
			if (tempMat.IsKeywordEnabled("NOCULL"))
			{
				tempMat.SetInt("_Cull", 0);
			}
			if (tempMat.IsKeywordEnabled("LIMBREMOVAL"))
			{
				tempMat.SetInt("_LimbRemovalOn", 1);
			}
			cachedMaterials.Add(tempMat);
			return tempMat;
		}

		public static Material MakeUnique(this Material material)
		{
			//IL_000e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0014: Expected O, but got Unknown
			if (cachedMaterials.Contains(material))
			{
				return new Material(material);
			}
			return material;
		}

		public static Material SetColor(this Material material, Color color)
		{
			//IL_0006: Unknown result type (might be due to invalid IL or missing references)
			material.SetColor("_Color", color);
			return material;
		}

		public static Material SetNormal(this Material material, float normalStrength = 1f)
		{
			material.SetFloat("_NormalStrength", normalStrength);
			return material;
		}

		public static Material SetEmission(this Material material)
		{
			return material.SetEmission(1f);
		}

		public static Material SetEmission(this Material material, float emission)
		{
			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
			return material.SetEmission(emission, Color.white);
		}

		public static Material SetEmission(this Material material, float emission, Color emissionColor)
		{
			//IL_0012: Unknown result type (might be due to invalid IL or missing references)
			material.SetFloat("_EmPower", emission);
			material.SetColor("_EmColor", emissionColor);
			return material;
		}

		public static Material SetCull(this Material material, bool cull = false)
		{
			material.SetInt("_Cull", cull ? 1 : 0);
			return material;
		}

		public static Material SetSpecular(this Material material, float strength)
		{
			material.SetFloat("_SpecularStrength", strength);
			return material;
		}

		public static Material SetSpecular(this Material material, float strength, float exponent)
		{
			material.SetFloat("_SpecularStrength", strength);
			material.SetFloat("SpecularExponent", exponent);
			return material;
		}
	}
	internal static class Prefabs
	{
		private static PhysicMaterial ragdollMaterial;

		public static GameObject CreateDisplayPrefab(AssetBundle assetBundle, string displayPrefabName, GameObject prefab)
		{
			GameObject val = assetBundle.LoadAsset<GameObject>(displayPrefabName);
			if ((Object)(object)val == (Object)null)
			{
				Log.Error("could not load display prefab " + displayPrefabName + ". Make sure this prefab exists in assetbundle " + ((Object)assetBundle).name);
				return null;
			}
			CharacterModel val2 = val.GetComponent<CharacterModel>();
			if (!Object.op_Implicit((Object)(object)val2))
			{
				val2 = val.AddComponent<CharacterModel>();
			}
			val2.baseRendererInfos = prefab.GetComponentInChildren<CharacterModel>().baseRendererInfos;
			Asset.ConvertAllRenderersToHopooShader(val);
			return val;
		}

		public static GameObject LoadCharacterModel(AssetBundle assetBundle, string modelName)
		{
			GameObject val = assetBundle.LoadAsset<GameObject>(modelName);
			if ((Object)(object)val == (Object)null)
			{
				Log.Error("could not load model prefab " + modelName + ". Make sure this prefab exists in assetbundle " + ((Object)assetBundle).name);
				return null;
			}
			return val;
		}

		public static GameObject LoadCharacterBody(AssetBundle assetBundle, string bodyName)
		{
			GameObject val = assetBundle.LoadAsset<GameObject>(bodyName);
			if ((Object)(object)val == (Object)null)
			{
				Log.Error("could not load body prefab " + bodyName + ". Make sure this prefab exists in assetbundle " + ((Object)assetBundle).name);
				return null;
			}
			return val;
		}

		public static GameObject CloneCharacterBody(BodyInfo bodyInfo)
		{
			GameObject val = LegacyResourcesAPI.Load<GameObject>("Prefabs/CharacterBodies/" + bodyInfo.bodyNameToClone + "Body");
			if (!Object.op_Implicit((Object)(object)val))
			{
				Log.Error(bodyInfo.bodyNameToClone + " Body to clone is not a valid body, character creation failed");
				return null;
			}
			GameObject val2 = PrefabAPI.InstantiateClone(val, bodyInfo.bodyName);
			for (int num = val2.transform.childCount - 1; num >= 0; num--)
			{
				Object.DestroyImmediate((Object)(object)((Component)val2.transform.GetChild(num)).gameObject);
			}
			return val2;
		}

		public static GameObject CreateBodyPrefab(AssetBundle assetBundle, string modelPrefabName, BodyInfo bodyInfo)
		{
			return CreateBodyPrefab(LoadCharacterModel(assetBundle, modelPrefabName), bodyInfo);
		}

		public static GameObject CreateBodyPrefab(GameObject model, BodyInfo bodyInfo)
		{
			return CreateBodyPrefab(CloneCharacterBody(bodyInfo), model, bodyInfo);
		}

		public static GameObject CreateBodyPrefab(GameObject newBodyPrefab, AssetBundle assetBundle, string modelName, BodyInfo bodyInfo)
		{
			return CreateBodyPrefab(newBodyPrefab, LoadCharacterModel(assetBundle, modelName), bodyInfo);
		}

		public static GameObject CreateBodyPrefab(AssetBundle assetBundle, string bodyPrefabName, string modelPrefabName, BodyInfo bodyInfo)
		{
			return CreateBodyPrefab(LoadCharacterBody(assetBundle, bodyPrefabName), LoadCharacterModel(assetBundle, modelPrefabName), bodyInfo);
		}

		public static GameObject CreateBodyPrefab(GameObject newBodyPrefab, GameObject model, BodyInfo bodyInfo)
		{
			if ((Object)(object)model == (Object)null || (Object)(object)newBodyPrefab == (Object)null)
			{
				Log.Error($"Character creation failed. Model: {model}, Body: {newBodyPrefab}");
				return null;
			}
			SetupCharacterBody(newBodyPrefab, bodyInfo);
			Transform modelBaseTransform = AddCharacterModelToSurvivorBody(newBodyPrefab, model.transform, bodyInfo);
			SetupModelLocator(newBodyPrefab, modelBaseTransform, model.transform);
			SetupCharacterDirection(newBodyPrefab, modelBaseTransform, model.transform);
			SetupCameraTargetParams(newBodyPrefab, bodyInfo);
			SetupCapsuleCollider(newBodyPrefab);
			Content.AddCharacterBodyPrefab(newBodyPrefab);
			return newBodyPrefab;
		}

		private static void SetupCharacterBody(GameObject newBodyPrefab, BodyInfo bodyInfo)
		{
			//IL_002d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0032: Unknown result type (might be due to invalid IL or missing references)
			//IL_01f6: Unknown result type (might be due to invalid IL or missing references)
			//IL_0204: Unknown result type (might be due to invalid IL or missing references)
			CharacterBody component = newBodyPrefab.GetComponent<CharacterBody>();
			component.baseNameToken = bodyInfo.bodyNameToken;
			component.subtitleNameToken = bodyInfo.subtitleNameToken;
			component.portraitIcon = bodyInfo.characterPortrait;
			component.bodyColor = bodyInfo.bodyColor;
			component._defaultCrosshairPrefab = bodyInfo.crosshair;
			component.hideCrosshair = false;
			component.preferredPodPrefab = bodyInfo.podPrefab;
			component.baseMaxHealth = bodyInfo.maxHealth;
			component.baseRegen = bodyInfo.healthRegen;
			component.baseArmor = bodyInfo.armor;
			component.baseMaxShield = bodyInfo.shield;
			component.baseDamage = bodyInfo.damage;
			component.baseAttackSpeed = bodyInfo.attackSpeed;
			component.baseCrit = bodyInfo.crit;
			component.baseMoveSpeed = bodyInfo.moveSpeed;
			component.baseJumpPower = bodyInfo.jumpPower;
			component.autoCalculateLevelStats = bodyInfo.autoCalculateLevelStats;
			if (bodyInfo.autoCalculateLevelStats)
			{
				component.levelMaxHealth = Mathf.Round(component.baseMaxHealth * 0.3f);
				component.levelMaxShield = Mathf.Round(component.baseMaxShield * 0.3f);
				component.levelRegen = component.baseRegen * 0.2f;
				component.levelMoveSpeed = 0f;
				component.levelJumpPower = 0f;
				component.levelDamage = component.baseDamage * 0.2f;
				component.levelAttackSpeed = 0f;
				component.levelCrit = 0f;
				component.levelArmor = 0f;
			}
			else
			{
				component.levelMaxHealth = bodyInfo.healthGrowth;
				component.levelMaxShield = bodyInfo.shieldGrowth;
				component.levelRegen = bodyInfo.regenGrowth;
				component.levelMoveSpeed = bodyInfo.moveSpeedGrowth;
				component.levelJumpPower = bodyInfo.jumpPowerGrowth;
				component.levelDamage = bodyInfo.damageGrowth;
				component.levelAttackSpeed = bodyInfo.attackSpeedGrowth;
				component.levelCrit = bodyInfo.critGrowth;
				component.levelArmor = bodyInfo.armorGrowth;
			}
			component.baseAcceleration = bodyInfo.acceleration;
			component.baseJumpCount = bodyInfo.jumpCount;
			component.sprintingSpeedMultiplier = 1.45f;
			component.bodyFlags = (BodyFlags)16;
			component.rootMotionInMainState = false;
			component.hullClassification = (HullClassification)0;
			component.isChampion = false;
		}

		private static Transform AddCharacterModelToSurvivorBody(GameObject bodyPrefab, Transform modelTransform, BodyInfo bodyInfo)
		{
			//IL_005a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0065: Unknown result type (might be due to invalid IL or missing references)
			//IL_001f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0038: Unknown result type (might be due to invalid IL or missing references)
			//IL_0043: Unknown result type (might be due to invalid IL or missing references)
			//IL_008c: Unknown result type (might be due to invalid IL or missing references)
			//IL_00a4: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ae: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d7: Unknown result type (might be due to invalid IL or missing references)
			//IL_00f0: Unknown result type (might be due to invalid IL or missing references)
			//IL_00fb: Unknown result type (might be due to invalid IL or missing references)
			Transform val = bodyPrefab.transform.Find("ModelBase");
			if ((Object)(object)val == (Object)null)
			{
				val = new GameObject("ModelBase").transform;
				val.parent = bodyPrefab.transform;
				val.localPosition = bodyInfo.modelBasePosition;
				val.localRotation = Quaternion.identity;
			}
			modelTransform.parent = ((Component)val).transform;
			modelTransform.localPosition = Vector3.zero;
			modelTransform.localRotation = Quaternion.identity;
			if ((Object)(object)bodyPrefab.transform.Find("CameraPivot") == (Object)null)
			{
				Transform transform = new GameObject("CameraPivot").transform;
				transform.parent = bodyPrefab.transform;
				transform.localPosition = bodyInfo.cameraPivotPosition;
				transform.localRotation = Quaternion.identity;
			}
			Transform val2 = bodyPrefab.transform.Find("AimOrigin");
			if ((Object)(object)val2 == (Object)null)
			{
				val2 = new GameObject("AimOrigin").transform;
				val2.parent = bodyPrefab.transform;
				val2.localPosition = bodyInfo.aimOriginPosition;
				val2.localRotation = Quaternion.identity;
			}
			bodyPrefab.GetComponent<CharacterBody>().aimOriginTransform = val2;
			return ((Component)val).transform;
		}

		private static void SetupCharacterDirection(GameObject prefab, Transform modelBaseTransform, Transform modelTransform)
		{
			if (Object.op_Implicit((Object)(object)prefab.GetComponent<CharacterDirection>()))
			{
				CharacterDirection component = prefab.GetComponent<CharacterDirection>();
				component.targetTransform = modelBaseTransform;
				component.overrideAnimatorForwardTransform = null;
				component.rootMotionAccumulator = null;
				component.modelAnimator = ((Component)modelTransform).GetComponent<Animator>();
				component.driveFromRootRotation = false;
				component.turnSpeed = 720f;
			}
		}

		private static void SetupCameraTargetParams(GameObject prefab, BodyInfo bodyInfo)
		{
			CameraTargetParams component = prefab.GetComponent<CameraTargetParams>();
			component.cameraParams = bodyInfo.cameraParams;
			component.cameraPivotTransform = prefab.transform.Find("CameraPivot");
		}

		private static void SetupModelLocator(GameObject prefab, Transform modelBaseTransform, Transform modelTransform)
		{
			ModelLocator component = prefab.GetComponent<ModelLocator>();
			component.modelTransform = modelTransform;
			component.modelBaseTransform = modelBaseTransform;
		}

		private static void SetupCapsuleCollider(GameObject prefab)
		{
			//IL_0016: Unknown result type (might be due to invalid IL or missing references)
			CapsuleCollider component = prefab.GetComponent<CapsuleCollider>();
			component.center = new Vector3(0f, 0f, 0f);
			component.radius = 0.5f;
			component.height = 1.82f;
			component.direction = 1;
		}

		public static CharacterModel SetupCharacterModel(GameObject bodyPrefab, CustomRendererInfo[] customInfos = null)
		{
			CharacterModel val = ((Component)bodyPrefab.GetComponent<ModelLocator>().modelTransform).gameObject.GetComponent<CharacterModel>();
			bool num = (Object)(object)val != (Object)null;
			if (!num)
			{
				val = ((Component)bodyPrefab.GetComponent<ModelLocator>().modelTransform).gameObject.AddComponent<CharacterModel>();
			}
			val.body = bodyPrefab.GetComponent<CharacterBody>();
			val.autoPopulateLightInfos = true;
			val.invisibilityCount = 0;
			val.temporaryOverlays = new List<TemporaryOverlayInstance>();
			if (!num)
			{
				SetupCustomRendererInfos(val, customInfos);
			}
			else
			{
				SetupPreAttachedRendererInfos(val);
			}
			SetupHurtboxGroup(bodyPrefab, ((Component)val).gameObject);
			SetupAimAnimator(bodyPrefab, ((Component)val).gameObject);
			SetupFootstepController(((Component)val).gameObject);
			SetupRagdoll(((Component)val).gameObject);
			return val;
		}

		public static void SetupPreAttachedRendererInfos(CharacterModel characterModel)
		{
			for (int i = 0; i < characterModel.baseRendererInfos.Length; i++)
			{
				if ((Object)(object)characterModel.baseRendererInfos[i].defaultMaterial == (Object)null)
				{
					characterModel.baseRendererInfos[i].defaultMaterial = characterModel.baseRendererInfos[i].renderer.sharedMaterial;
				}
				if ((Object)(object)characterModel.baseRendererInfos[i].defaultMaterial == (Object)null)
				{
					Log.Error($"no material for rendererinfo of this renderer: {characterModel.baseRendererInfos[i].renderer}");
				}
				characterModel.baseRendererInfos[i].defaultMaterial.ConvertDefaultShaderToHopoo();
			}
		}

		public static void SetupCustomRendererInfos(CharacterModel characterModel, CustomRendererInfo[] customInfos)
		{
			//IL_00ac: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d5: Unknown result type (might be due to invalid IL or missing references)
			//IL_00da: Unknown result type (might be due to invalid IL or missing references)
			ChildLocator component = ((Component)characterModel).GetComponent<ChildLocator>();
			if (!Object.op_Implicit((Object)(object)component))
			{
				Log.Error("Failed CharacterModel setup: ChildLocator component does not exist on the model");
				return;
			}
			List<RendererInfo> list = new List<RendererInfo>();
			for (int i = 0; i < customInfos.Length; i++)
			{
				if (!Object.op_Implicit((Object)(object)component.FindChild(customInfos[i].childName)))
				{
					Log.Error("Trying to add a RendererInfo for a renderer that does not exist: " + customInfos[i].childName);
					continue;
				}
				Renderer component2 = ((Component)component.FindChild(customInfos[i].childName)).GetComponent<Renderer>();
				if (Object.op_Implicit((Object)(object)component2))
				{
					Material val = customInfos[i].material;
					if ((Object)(object)val == (Object)null)
					{
						val = ((!customInfos[i].dontHotpoo) ? component2.sharedMaterial.ConvertDefaultShaderToHopoo() : component2.sharedMaterial);
					}
					list.Add(new RendererInfo
					{
						renderer = component2,
						defaultMaterial = val,
						ignoreOverlays = customInfos[i].ignoreOverlays,
						defaultShadowCastingMode = (ShadowCastingMode)1
					});
				}
			}
			characterModel.baseRendererInfos = list.ToArray();
		}

		private static void SetupHurtboxGroup(GameObject bodyPrefab, GameObject model)
		{
			SetupMainHurtboxesFromChildLocator(bodyPrefab, model);
			SetHurtboxesHealthComponents(bodyPrefab);
		}

		private static void SetupMainHurtboxesFromChildLocator(GameObject bodyPrefab, GameObject model)
		{
			//IL_00fd: Unknown result type (might be due to invalid IL or missing references)
			//IL_009c: Unknown result type (might be due to invalid IL or missing references)
			if ((Object)(object)bodyPrefab.GetComponent<HurtBoxGroup>() != (Object)null)
			{
				Log.Debug("Hitboxgroup already exists on model prefab. aborting code setup");
				return;
			}
			ChildLocator component = model.GetComponent<ChildLocator>();
			if (string.IsNullOrEmpty(component.FindChildNameInsensitive("MainHurtbox")))
			{
				Log.Error("Could not set up main hurtbox: make sure you have a transform pair in your prefab's ChildLocator called 'MainHurtbox'");
				return;
			}
			HurtBoxGroup val = model.AddComponent<HurtBoxGroup>();
			HurtBox val2 = null;
			GameObject val3 = component.FindChildGameObjectInsensitive("HeadHurtbox");
			if (Object.op_Implicit((Object)(object)val3))
			{
				Log.Debug("HeadHurtboxFound. Setting up");
				val2 = val3.AddComponent<HurtBox>();
				((Component)val2).gameObject.layer = LayerIndex.entityPrecise.intVal;
				val2.healthComponent = bodyPrefab.GetComponent<HealthComponent>();
				val2.isBullseye = false;
				val2.isSniperTarget = true;
				val2.damageModifier = (DamageModifier)0;
				val2.hurtBoxGroup = val;
				val2.indexInGroup = 1;
			}
			HurtBox val4 = component.FindChildGameObjectInsensitive("MainHurtbox").AddComponent<HurtBox>();
			((Component)val4).gameObject.layer = LayerIndex.entityPrecise.intVal;
			val4.healthComponent = bodyPrefab.GetComponent<HealthComponent>();
			val4.isBullseye = true;
			val4.isSniperTarget = (Object)(object)val2 == (Object)null;
			val4.damageModifier = (DamageModifier)0;
			val4.hurtBoxGroup = val;
			val4.indexInGroup = 0;
			if (Object.op_Implicit((Object)(object)val2))
			{
				val.hurtBoxes = (HurtBox[])(object)new HurtBox[2] { val4, val2 };
			}
			else
			{
				val.hurtBoxes = (HurtBox[])(object)new HurtBox[1] { val4 };
			}
			val.mainHurtBox = val4;
			val.bullseyeCount = 1;
		}

		private static string FindChildNameInsensitive(this ChildLocator childLocator, string child)
		{
			//IL_0024: Unknown result type (might be due to invalid IL or missing references)
			return childLocator.transformPairs.Where((NameTransformPair pair) => pair.name.ToLowerInvariant() == child.ToLowerInvariant()).FirstOrDefault().name;
		}

		private static Transform FindChildInsensitive(this ChildLocator childLocator, string child)
		{
			return childLocator.FindChild(childLocator.FindChildNameInsensitive(child));
		}

		private static GameObject FindChildGameObjectInsensitive(this ChildLocator childLocator, string child)
		{
			return childLocator.FindChildGameObject(childLocator.FindChildNameInsensitive(child));
		}

		public static void SetHurtboxesHealthComponents(GameObject bodyPrefab)
		{
			HealthComponent component = bodyPrefab.GetComponent<HealthComponent>();
			HurtBoxGroup[] componentsInChildren = bodyPrefab.GetComponentsInChildren<HurtBoxGroup>();
			foreach (HurtBoxGroup val in componentsInChildren)
			{
				val.mainHurtBox.healthComponent = component;
				for (int j = 0; j < val.hurtBoxes.Length; j++)
				{
					val.hurtBoxes[j].healthComponent = component;
				}
			}
		}

		private static void SetupFootstepController(GameObject model)
		{
			FootstepHandler obj = model.AddComponent<FootstepHandler>();
			obj.baseFootstepString = "Play_player_footstep";
			obj.sprintFootstepOverrideString = "";
			obj.enableFootstepDust = true;
			obj.footstepDustPrefab = LegacyResourcesAPI.Load<GameObject>("Prefabs/GenericFootstepDust");
		}

		private static void SetupRagdoll(GameObject model)
		{
			RagdollController component = model.GetComponent<RagdollController>();
			if (!Object.op_Implicit((Object)(object)component))
			{
				return;
			}
			if ((Object)(object)ragdollMaterial == (Object)null)
			{
				ragdollMaterial = ((Component)LegacyResourcesAPI.Load<GameObject>("Prefabs/CharacterBodies/CommandoBody").GetComponentInChildren<RagdollController>().bones[1]).GetComponent<Collider>().material;
			}
			Transform[] bones = component.bones;
			foreach (Transform val in bones)
			{
				if (Object.op_Implicit((Object)(object)val))
				{
					((Component)val).gameObject.layer = LayerIndex.ragdoll.intVal;
					Collider component2 = ((Component)val).GetComponent<Collider>();
					if (Object.op_Implicit((Object)(object)component2))
					{
						component2.sharedMaterial = ragdollMaterial;
					}
					else
					{
						Log.Error($"Ragdoll bone {((Component)val).gameObject} doesn't have a collider. Ragdoll will break.");
					}
				}
			}
		}

		private static void SetupAimAnimator(GameObject prefab, GameObject model)
		{
			AimAnimator obj = model.AddComponent<AimAnimator>();
			obj.directionComponent = prefab.GetComponent<CharacterDirection>();
			obj.pitchRangeMax = 60f;
			obj.pitchRangeMin = -60f;
			obj.yawRangeMin = -80f;
			obj.yawRangeMax = 80f;
			obj.pitchGiveupRange = 30f;
			obj.yawGiveupRange = 10f;
			obj.giveupDuration = 3f;
			obj.inputBank = prefab.GetComponent<InputBankTest>();
		}

		public static void CreateGenericDoppelganger(GameObject bodyPrefab, string masterName, string masterToCopy)
		{
			CloneDopplegangerMaster(bodyPrefab, masterName, masterToCopy);
		}

		public static GameObject CloneDopplegangerMaster(GameObject bodyPrefab, string masterName, string masterToCopy)
		{
			GameObject obj = PrefabAPI.InstantiateClone(LegacyResourcesAPI.Load<GameObject>("Prefabs/CharacterMasters/" + masterToCopy + "MonsterMaster"), masterName, true);
			obj.GetComponent<CharacterMaster>().bodyPrefab = bodyPrefab;
			Content.AddMasterPrefab(obj);
			return obj;
		}

		public static GameObject CreateBlankMasterPrefab(GameObject bodyPrefab, string masterName)
		{
			GameObject val = PrefabAPI.InstantiateClone(LegacyResourcesAPI.Load<GameObject>("Prefabs/CharacterMasters/CommandoMonsterMaster"), masterName, true);
			ContentPacks.masterPrefabs.Add(val);
			val.GetComponent<CharacterMaster>().bodyPrefab = bodyPrefab;
			AISkillDriver[] components = val.GetComponents<AISkillDriver>();
			for (int i = 0; i < components.Length; i++)
			{
				Object.Destroy((Object)(object)components[i]);
			}
			return val;
		}

		public static GameObject LoadMaster(this AssetBundle assetBundle, GameObject bodyPrefab, string assetName)
		{
			//IL_0040: Unknown result type (might be due to invalid IL or missing references)
			//IL_0045: Unknown result type (might be due to invalid IL or missing references)
			GameObject val = assetBundle.LoadAsset<GameObject>(assetName);
			BaseAI val2 = val.GetComponent<BaseAI>();
			if ((Object)(object)val2 == (Object)null)
			{
				val2 = val.AddComponent<BaseAI>();
				val2.aimVectorDampTime = 0.1f;
				val2.aimVectorMaxSpeed = 360f;
			}
			val2.scanState = new SerializableEntityStateType(typeof(Wander));
			EntityStateMachine component = val.GetComponent<EntityStateMachine>();
			if ((Object)(object)component == (Object)null)
			{
				AddEntityStateMachine(val, "AI", typeof(Wander), typeof(Wander));
			}
			val2.stateMachine = component;
			CharacterMaster val3 = val.GetComponent<CharacterMaster>();
			if ((Object)(object)val3 == (Object)null)
			{
				val3 = val.AddComponent<CharacterMaster>();
			}
			val3.bodyPrefab = bodyPrefab;
			val3.teamIndex = (TeamIndex)2;
			Content.AddMasterPrefab(val);
			return val;
		}

		public static void ClearEntityStateMachines(GameObject bodyPrefab)
		{
			EntityStateMachine[] components = bodyPrefab.GetComponents<EntityStateMachine>();
			for (int num = components.Length - 1; num >= 0; num--)
			{
				Object.DestroyImmediate((Object)(object)components[num]);
			}
			bodyPrefab.GetComponent<NetworkStateMachine>().stateMachines = Array.Empty<EntityStateMachine>();
			CharacterDeathBehavior component = bodyPrefab.GetComponent<CharacterDeathBehavior>();
			if (Object.op_Implicit((Object)(object)component))
			{
				component.idleStateMachine = Array.Empty<EntityStateMachine>();
			}
			SetStateOnHurt component2 = bodyPrefab.GetComponent<SetStateOnHurt>();
			if (Object.op_Implicit((Object)(object)component2))
			{
				component2.idleStateMachine = Array.Empty<EntityStateMachine>();
			}
			CharacterBody component3 = bodyPrefab.GetComponent<CharacterBody>();
			if (Object.op_Implicit((Object)(object)component3))
			{
				component3.vehicleIdleStateMachine = Array.Empty<EntityStateMachine>();
			}
		}

		public static EntityStateMachine AddEntityStateMachine(GameObject prefab, string machineName, Type mainStateType = null, Type initalStateType = null, bool addToHurt = true, bool addToDeath = true)
		{
			//IL_004d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0052: Unknown result type (might be due to invalid IL or missing references)
			//IL_006e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0073: Unknown result type (might be due to invalid IL or missing references)
			EntityStateMachine val = EntityStateMachine.FindByCustomName(prefab, machineName);
			if ((Object)(object)val == (Object)null)
			{
				val = prefab.AddComponent<EntityStateMachine>();
			}
			else
			{
				Log.Message("An Entity State Machine already exists with the name " + machineName + ". replacing.");
			}
			val.customName = machineName;
			if (mainStateType == null)
			{
				mainStateType = typeof(Idle);
			}
			val.mainStateType = new SerializableEntityStateType(mainStateType);
			if (initalStateType == null)
			{
				initalStateType = typeof(Idle);
			}
			val.initialStateType = new SerializableEntityStateType(initalStateType);
			NetworkStateMachine component = prefab.GetComponent<NetworkStateMachine>();
			if (Object.op_Implicit((Object)(object)component))
			{
				component.stateMachines = component.stateMachines.Append(val).ToArray();
			}
			CharacterDeathBehavior component2 = prefab.GetComponent<CharacterDeathBehavior>();
			if (Object.op_Implicit((Object)(object)component2) && addToDeath)
			{
				component2.idleStateMachine = component2.idleStateMachine.Append(val).ToArray();
			}
			SetStateOnHurt component3 = prefab.GetComponent<SetStateOnHurt>();
			if (Object.op_Implicit((Object)(object)component3) && addToHurt)
			{
				component3.idleStateMachine = component3.idleStateMachine.Append(val).ToArray();
			}
			CharacterBody component4 = prefab.GetComponent<CharacterBody>();
			if (Object.op_Implicit((Object)(object)component4))
			{
				component4.vehicleIdleStateMachine = component4.vehicleIdleStateMachine.Append(val).ToArray();
			}
			return val;
		}

		public static EntityStateMachine AddMainEntityStateMachine(GameObject bodyPrefab, string machineName = "Body", Type mainStateType = null, Type initalStateType = null)
		{
			//IL_004d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0052: Unknown result type (might be due to invalid IL or missing references)
			//IL_006e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0073: Unknown result type (might be due to invalid IL or missing references)
			EntityStateMachine val = EntityStateMachine.FindByCustomName(bodyPrefab, machineName);
			if ((Object)(object)val == (Object)null)
			{
				val = bodyPrefab.AddComponent<EntityStateMachine>();
			}
			else
			{
				Log.Message("An Entity State Machine already exists with the name " + machineName + ". replacing.");
			}
			val.customName = machineName;
			if (mainStateType == null)
			{
				mainStateType = typeof(GenericCharacterMain);
			}
			val.mainStateType = new SerializableEntityStateType(mainStateType);
			if (initalStateType == null)
			{
				initalStateType = typeof(SpawnTeleporterState);
			}
			val.initialStateType = new SerializableEntityStateType(initalStateType);
			NetworkStateMachine component = bodyPrefab.GetComponent<NetworkStateMachine>();
			if (Object.op_Implicit((Object)(object)component))
			{
				component.stateMachines = component.stateMachines.Append(val).ToArray();
			}
			CharacterDeathBehavior component2 = bodyPrefab.GetComponent<CharacterDeathBehavior>();
			if (Object.op_Implicit((Object)(object)component2))
			{
				component2.deathStateMachine = val;
			}
			SetStateOnHurt component3 = bodyPrefab.GetComponent<SetStateOnHurt>();
			if (Object.op_Implicit((Object)(object)component3))
			{
				component3.targetStateMachine = val;
			}
			return val;
		}

		public static void SetupHitBoxGroup(GameObject modelPrefab, string hitBoxGroupName, params string[] hitboxChildNames)
		{
			ChildLocator component = modelPrefab.GetComponent<ChildLocator>();
			Transform[] array = (Transform[])(object)new Transform[hitboxChildNames.Length];
			for (int i = 0; i < hitboxChildNames.Length; i++)
			{
				array[i] = component.FindChild(hitboxChildNames[i]);
				if ((Object)(object)array[i] == (Object)null)
				{
					Log.Error("missing hitbox for " + hitboxChildNames[i]);
				}
			}
			SetupHitBoxGroup(modelPrefab, hitBoxGroupName, array);
		}

		public static void SetupHitBoxGroup(GameObject prefab, string hitBoxGroupName, params Transform[] hitBoxTransforms)
		{
			List<HitBox> list = new List<HitBox>();
			foreach (Transform val in hitBoxTransforms)
			{
				if ((Object)(object)val == (Object)null)
				{
					Log.Error("Error setting up hitboxGroup for " + hitBoxGroupName + ": hitbox transform was null");
					continue;
				}
				HitBox item = ((Component)val).gameObject.AddComponent<HitBox>();
				((Component)val).gameObject.layer = LayerIndex.projectile.intVal;
				list.Add(item);
			}
			if (list.Count == 0)
			{
				Log.Error("No hitboxes were set up. aborting setting up hitboxGroup for " + hitBoxGroupName);
				return;
			}
			HitBoxGroup obj = prefab.AddComponent<HitBoxGroup>();
			obj.hitBoxes = list.ToArray();
			obj.groupName = hitBoxGroupName;
		}
	}
	public class CustomRendererInfo
	{
		public string childName;

		public Material material;

		public bool dontHotpoo;

		public bool ignoreOverlays;
	}
	internal static class Skills
	{
		public static void CreateSkillFamilies(GameObject targetPrefab)
		{
			SkillSlot[] array = new SkillSlot[4];
			RuntimeHelpers.InitializeArray(array, (RuntimeFieldHandle)/*OpCode not supported: LdMemberToken*/);
			CreateSkillFamilies(targetPrefab, (SkillSlot[])(object)array);
		}

		public static void CreateSkillFamilies(GameObject targetPrefab, params SkillSlot[] slots)
		{
			//IL_000e: Unknown result type (might be due to invalid IL or missing references)
			//IL_000f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0011: Unknown result type (might be due to invalid IL or missing references)
			//IL_002b: Expected I4, but got Unknown
			SkillLocator component = targetPrefab.GetComponent<SkillLocator>();
			foreach (SkillSlot val in slots)
			{
				switch (val - -1)
				{
				case 1:
					component.primary = CreateGenericSkillWithSkillFamily(targetPrefab, "Primary");
					break;
				case 2:
					component.secondary = CreateGenericSkillWithSkillFamily(targetPrefab, "Secondary");
					break;
				case 3:
					component.utility = CreateGenericSkillWithSkillFamily(targetPrefab, "Utility");
					break;
				case 4:
					component.special = CreateGenericSkillWithSkillFamily(targetPrefab, "Special");
					break;
				}
			}
		}

		public static void ClearGenericSkills(GameObject targetPrefab)
		{
			GenericSkill[] componentsInChildren = targetPrefab.GetComponentsInChildren<GenericSkill>();
			for (int i = 0; i < componentsInChildren.Length; i++)
			{
				Object.DestroyImmediate((Object)(object)componentsInChildren[i]);
			}
		}

		public static GenericSkill CreateGenericSkillWithSkillFamily(GameObject targetPrefab, SkillSlot skillSlot, bool hidden = false)
		{
			//IL_0007: Unknown result type (might be due to invalid IL or missing references)
			//IL_0009: Unknown result type (might be due to invalid IL or missing references)
			//IL_0023: Expected I4, but got Unknown
			SkillLocator component = targetPrefab.GetComponent<SkillLocator>();
			switch (skillSlot - -1)
			{
			case 1:
				return component.primary = CreateGenericSkillWithSkillFamily(targetPrefab, "Primary", hidden);
			case 2:
				return component.secondary = CreateGenericSkillWithSkillFamily(targetPrefab, "Secondary", hidden);
			case 3:
				return component.utility = CreateGenericSkillWithSkillFamily(targetPrefab, "Utility", hidden);
			case 4:
				return component.special = CreateGenericSkillWithSkillFamily(targetPrefab, "Special", hidden);
			case 0:
				Log.Error("Failed to create GenericSkill with skillslot None. If making a GenericSkill outside of the main 4, specify a familyName, and optionally a genericSkillName");
				return null;
			default:
				return null;
			}
		}

		public static GenericSkill CreateGenericSkillWithSkillFamily(GameObject targetPrefab, string familyName, bool hidden = false)
		{
			return CreateGenericSkillWithSkillFamily(targetPrefab, familyName, familyName, hidden);
		}

		public static GenericSkill CreateGenericSkillWithSkillFamily(GameObject targetPrefab, string genericSkillName, string familyName, bool hidden = false)
		{
			GenericSkill obj = targetPrefab.AddComponent<GenericSkill>();
			obj.skillName = genericSkillName;
			obj.hideInCharacterSelect = hidden;
			SkillFamily val = ScriptableObject.CreateInstance<SkillFamily>();
			((Object)val).name = ((Object)targetPrefab).name + familyName + "Family";
			val.variants = (Variant[])(object)new Variant[0];
			obj._skillFamily = val;
			Content.AddSkillFamily(val);
			return obj;
		}

		public static void AddSkillToFamily(SkillFamily skillFamily, SkillDef skillDef, UnlockableDef unlockableDef = null)
		{
			//IL_0027: Unknown result type (might be due to invalid IL or missing references)
			//IL_0047: Unknown result type (might be due to invalid IL or missing references)
			//IL_0051: Expected O, but got Unknown
			//IL_0051: Unknown result type (might be due to invalid IL or missing references)
			//IL_0052: Unknown result type (might be due to invalid IL or missing references)
			Array.Resize(ref skillFamily.variants, skillFamily.variants.Length + 1);
			Variant[] variants = skillFamily.variants;
			int num = skillFamily.variants.Length - 1;
			Variant val = new Variant
			{
				skillDef = skillDef,
				unlockableDef = unlockableDef
			};
			((Variant)(ref val)).viewableNode = new Node(skillDef.skillNameToken, false, (Node)null);
			variants[num] = val;
		}

		public static void AddSkillsToFamily(SkillFamily skillFamily, params SkillDef[] skillDefs)
		{
			foreach (SkillDef skillDef in skillDefs)
			{
				AddSkillToFamily(skillFamily, skillDef);
			}
		}

		public static void AddPrimarySkills(GameObject targetPrefab, params SkillDef[] skillDefs)
		{
			AddSkillsToFamily(targetPrefab.GetComponent<SkillLocator>().primary.skillFamily, skillDefs);
		}

		public static void AddSecondarySkills(GameObject targetPrefab, params SkillDef[] skillDefs)
		{
			AddSkillsToFamily(targetPrefab.GetComponent<SkillLocator>().secondary.skillFamily, skillDefs);
		}

		public static void AddUtilitySkills(GameObject targetPrefab, params SkillDef[] skillDefs)
		{
			AddSkillsToFamily(targetPrefab.GetComponent<SkillLocator>().utility.skillFamily, skillDefs);
		}

		public static void AddSpecialSkills(GameObject targetPrefab, params SkillDef[] skillDefs)
		{
			AddSkillsToFamily(targetPrefab.GetComponent<SkillLocator>().special.skillFamily, skillDefs);
		}

		public static void AddUnlockablesToFamily(SkillFamily skillFamily, params UnlockableDef[] unlockableDefs)
		{
			//IL_000b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0010: Unknown result type (might be due to invalid IL or missing references)
			//IL_0022: Unknown result type (might be due to invalid IL or missing references)
			//IL_0023: Unknown result type (might be due to invalid IL or missing references)
			for (int i = 0; i < unlockableDefs.Length; i++)
			{
				Variant val = skillFamily.variants[i];
				val.unlockableDef = unlockableDefs[i];
				skillFamily.variants[i] = val;
			}
		}

		public static SkillDef CreateSkillDef(SkillDefInfo skillDefInfo)
		{
			return Skills.CreateSkillDef<SkillDef>(skillDefInfo);
		}

		public static T CreateSkillDef<T>(SkillDefInfo skillDefInfo) where T : SkillDef
		{
			//IL_0061: Unknown result type (might be due to invalid IL or missing references)
			//IL_0066: Unknown result type (might be due to invalid IL or missing references)
			//IL_0083: Unknown result type (might be due to invalid IL or missing references)
			//IL_0088: Unknown result type (might be due to invalid IL or missing references)
			T val = ScriptableObject.CreateInstance<T>();
			((SkillDef)val).skillName = skillDefInfo.skillName;
			((Object)(object)val).name = skillDefInfo.skillName;
			((SkillDef)val).skillNameToken = skillDefInfo.skillNameToken;
			((SkillDef)val).skillDescriptionToken = skillDefInfo.skillDescriptionToken;
			((SkillDef)val).icon = skillDefInfo.skillIcon;
			((SkillDef)val).activationState = skillDefInfo.activationState;
			((SkillDef)val).activationStateMachineName = skillDefInfo.activationStateMachineName;
			((SkillDef)val).interruptPriority = skillDefInfo.interruptPriority;
			((SkillDef)val).baseMaxStock = skillDefInfo.baseMaxStock;
			((SkillDef)val).baseRechargeInterval = skillDefInfo.baseRechargeInterval;
			((SkillDef)val).rechargeStock = skillDefInfo.rechargeStock;
			((SkillDef)val).requiredStock = skillDefInfo.requiredStock;
			((SkillDef)val).stockToConsume = skillDefInfo.stockToConsume;
			((SkillDef)val).dontAllowPastMaxStocks = skillDefInfo.dontAllowPastMaxStocks;
			((SkillDef)val).beginSkillCooldownOnSkillEnd = skillDefInfo.beginSkillCooldownOnSkillEnd;
			((SkillDef)val).canceledFromSprinting = skillDefInfo.canceledFromSprinting;
			((SkillDef)val).forceSprintDuringState = skillDefInfo.forceSprintDuringState;
			((SkillDef)val).fullRestockOnAssign = skillDefInfo.fullRestockOnAssign;
			((SkillDef)val).resetCooldownTimerOnUse = skillDefInfo.resetCooldownTimerOnUse;
			((SkillDef)val).isCombatSkill = skillDefInfo.isCombatSkill;
			((SkillDef)val).mustKeyPress = skillDefInfo.mustKeyPress;
			((SkillDef)val).cancelSprintingOnActivation = skillDefInfo.cancelSprintingOnActivation;
			((SkillDef)val).keywordTokens = skillDefInfo.keywordTokens;
			Content.AddSkillDef((SkillDef)(object)val);
			return val;
		}
	}
	internal class SkillDefInfo
	{
		public string skillName;

		public string skillNameToken;

		public string skillDescriptionToken;

		public string[] keywordTokens = Array.Empty<string>();

		public Sprite skillIcon;

		public SerializableEntityStateType activationState;

		public string activationStateMachineName;

		public InterruptPriority interruptPriority;

		public float baseRechargeInterval;

		public int baseMaxStock = 1;

		public int rechargeStock = 1;

		public int requiredStock = 1;

		public int stockToConsume = 1;

		public bool resetCooldownTimerOnUse;

		public bool fullRestockOnAssign = true;

		public bool dontAllowPastMaxStocks;

		public bool beginSkillCooldownOnSkillEnd;

		public bool mustKeyPress;

		public bool isCombatSkill = true;

		public bool canceledFromSprinting;

		public bool cancelSprintingOnActivation = true;

		public bool forceSprintDuringState;

		public SkillDefInfo()
		{
		}

		public SkillDefInfo(string skillName, string skillNameToken, string skillDescriptionToken, Sprite skillIcon, SerializableEntityStateType activationState, string activationStateMachineName = "Weapon", bool agile = false)
		{
			//IL_0060: Unknown result type (might be due to invalid IL or missing references)
			//IL_0062: Unknown result type (might be due to invalid IL or missing references)
			//IL_0094: Unknown result type (might be due to invalid IL or missing references)
			this.skillName = skillName;
			this.skillNameToken = skillNameToken;
			this.skillDescriptionToken = skillDescriptionToken;
			this.skillIcon = skillIcon;
			this.activationState = activationState;
			this.activationStateMachineName = activationStateMachineName;
			cancelSprintingOnActivation = !agile;
			if (agile)
			{
				keywordTokens = new string[1] { "KEYWORD_AGILE" };
			}
			interruptPriority = (InterruptPriority)0;
			isCombatSkill = true;
			baseRechargeInterval = 0f;
			requiredStock = 0;
			stockToConsume = 0;
		}
	}
	internal static class Skins
	{
		internal struct SkinDefInfo
		{
			internal SkinDef[] BaseSkins;

			internal Sprite Icon;

			internal string NameToken;

			internal UnlockableDef UnlockableDef;

			internal GameObject RootObject;

			internal RendererInfo[] RendererInfos;

			internal MeshReplacement[] MeshReplacements;

			internal GameObjectActivation[] GameObjectActivations;

			internal ProjectileGhostReplacement[] ProjectileGhostReplacements;

			internal MinionSkinReplacement[] MinionSkinReplacements;

			internal string Name;
		}

		internal static SkinDef CreateSkinDef(string skinName, Sprite skinIcon, RendererInfo[] defaultRendererInfos, GameObject root, UnlockableDef unlockableDef = null)
		{
			//IL_0089: Unknown result type (might be due to invalid IL or missing references)
			//IL_0093: Expected O, but got Unknown
			//IL_0130: Unknown result type (might be due to invalid IL or missing references)
			//IL_013a: Expected O, but got Unknown
			SkinDefInfo skinDefInfo = new SkinDefInfo
			{
				BaseSkins = Array.Empty<SkinDef>(),
				GameObjectActivations = (GameObjectActivation[])(object)new GameObjectActivation[0],
				Icon = skinIcon,
				MeshReplacements = (MeshReplacement[])(object)new MeshReplacement[0],
				MinionSkinReplacements = (MinionSkinReplacement[])(object)new MinionSkinReplacement[0],
				Name = skinName,
				NameToken = skinName,
				ProjectileGhostReplacements = (ProjectileGhostReplacement[])(object)new ProjectileGhostReplacement[0],
				RendererInfos = (RendererInfo[])(object)new RendererInfo[defaultRendererInfos.Length],
				RootObject = root,
				UnlockableDef = unlockableDef
			};
			SkinDef.Awake += new hook_Awake(DoNothing);
			SkinDef obj = ScriptableObject.CreateInstance<SkinDef>();
			obj.baseSkins = skinDefInfo.BaseSkins;
			obj.icon = skinDefInfo.Icon;
			obj.unlockableDef = skinDefInfo.UnlockableDef;
			obj.rootObject = skinDefInfo.RootObject;
			defaultRendererInfos.CopyTo(skinDefInfo.RendererInfos, 0);
			obj.rendererInfos = skinDefInfo.RendererInfos;
			obj.gameObjectActivations = skinDefInfo.GameObjectActivations;
			obj.meshReplacements = skinDefInfo.MeshReplacements;
			obj.projectileGhostReplacements = skinDefInfo.ProjectileGhostReplacements;
			obj.minionSkinReplacements = skinDefInfo.MinionSkinReplacements;
			obj.nameToken = skinDefInfo.NameToken;
			((Object)obj).name = skinDefInfo.Name;
			SkinDef.Awake -= new hook_Awake(DoNothing);
			return obj;
		}

		private static void DoNothing(orig_Awake orig, SkinDef self)
		{
		}

		private static RendererInfo[] getRendererMaterials(RendererInfo[] defaultRenderers, params Material[] materials)
		{
			RendererInfo[] array = (RendererInfo[])(object)new RendererInfo[defaultRenderers.Length];
			defaultRenderers.CopyTo(array, 0);
			for (int i = 0; i < array.Length; i++)
			{
				try
				{
					array[i].defaultMaterial = materials[i];
				}
				catch
				{
					Log.Error("error adding skin rendererinfo material. make sure you're not passing in too many");
				}
			}
			return array;
		}

		internal static MeshReplacement[] getMeshReplacements(AssetBundle assetBundle, RendererInfo[] defaultRendererInfos, params string[] meshes)
		{
			//IL_0017: Unknown result type (might be due to invalid IL or missing references)
			//IL_0040: Unknown result type (might be due to invalid IL or missing references)
			List<MeshReplacement> list = new List<MeshReplacement>();
			for (int i = 0; i < defaultRendererInfos.Length; i++)
			{
				if (!string.IsNullOrEmpty(meshes[i]))
				{
					list.Add(new MeshReplacement
					{
						renderer = defaultRendererInfos[i].renderer,
						mesh = assetBundle.LoadAsset<Mesh>(meshes[i])
					});
				}
			}
			return list.ToArray();
		}
	}
	internal static class Tokens
	{
		public const string agilePrefix = "<style=cIsUtility>Agile.</style>";

		public static string DamageText(string text)
		{
			return "<style=cIsDamage>" + text + "</style>";
		}

		public static string DamageValueText(float value)
		{
			return $"<style=cIsDamage>{value * 100f}% damage</style>";
		}

		public static string UtilityText(string text)
		{
			return "<style=cIsUtility>" + text + "</style>";
		}

		public static string RedText(string text)
		{
			return HealthText(text);
		}

		public static string HealthText(string text)
		{
			return "<style=cIsHealth>" + text + "</style>";
		}

		public static string KeywordText(string keyword, string sub)
		{
			return "<style=cKeywordName>" + keyword + "</style><style=cSub>" + sub + "</style>";
		}

		public static string ScepterDescription(string desc)
		{
			return "\n<color=#d299ff>SCEPTER: " + desc + "</color>";
		}

		public static string GetAchievementNameToken(string identifier)
		{
			return "ACHIEVEMENT_" + identifier.ToUpperInvariant() + "_NAME";
		}

		public static string GetAchievementDescriptionToken(string identifier)
		{
			return "ACHIEVEMENT_" + identifier.ToUpperInvariant() + "_DESCRIPTION";
		}
	}
}
namespace DIOOH.Modules.Characters
{
	public abstract class CharacterBase<T> where T : CharacterBase<T>, new()
	{
		public abstract string assetBundleName { get; }

		public abstract string bodyName { get; }

		public abstract string modelPrefabName { get; }

		public abstract BodyInfo bodyInfo { get; }

		public virtual CustomRendererInfo[] customRendererInfos { get; }

		public virtual ItemDisplaysBase itemDisplays { get; }

		public static T instance { get; private set; }

		public abstract AssetBundle assetBundle { get; protected set; }

		public abstract GameObject bodyPrefab { get; protected set; }

		public abstract CharacterBody prefabCharacterBody { get; protected set; }

		public abstract GameObject characterModelObject { get; protected set; }

		public abstract CharacterModel prefabCharacterModel { get; protected set; }

		public virtual void Initialize()
		{
			instance = this as T;
			assetBundle = Asset.LoadAssetBundle(assetBundleName);
			InitializeCharacter();
		}

		public virtual void InitializeCharacter()
		{
			InitializeCharacterBodyPrefab();
			InitializeItemDisplays();
		}

		protected virtual void InitializeCharacterBodyPrefab()
		{
			characterModelObject = Prefabs.LoadCharacterModel(assetBundle, modelPrefabName);
			bodyPrefab = Prefabs.CreateBodyPrefab(characterModelObject, bodyInfo);
			prefabCharacterBody = bodyPrefab.GetComponent<CharacterBody>();
			prefabCharacterModel = Prefabs.SetupCharacterModel(bodyPrefab, customRendererInfos);
		}

		public virtual void InitializeItemDisplays()
		{
			ItemDisplayRuleSet val = ScriptableObject.CreateInstance<ItemDisplayRuleSet>();
			((Object)val).name = "idrs" + bodyName;
			prefabCharacterModel.itemDisplayRuleSet = val;
			if (itemDisplays != null)
			{
				ItemDisplays.queuedDisplays++;
				ContentManager.onContentPacksAssigned += SetItemDisplays;
			}
		}

		public void SetItemDisplays(ReadOnlyArray<ReadOnlyContentPack> obj)
		{
			itemDisplays.SetItemDisplays(prefabCharacterModel.itemDisplayRuleSet);
		}

		public abstract void InitializeEntityStateMachines();

		public abstract void InitializeSkills();

		public abstract void InitializeSkins();

		public abstract void InitializeCharacterMaster();
	}
	public class BodyInfo
	{
		public string bodyName = "";

		public string bodyNameToken = "";

		public string subtitleNameToken = "";

		public string bodyNameToClone = "Commando";

		public Color bodyColor = Color.white;

		public Texture characterPortrait;

		public float sortPosition = 100f;

		public GameObject crosshair;

		public GameObject podPrefab;

		public float maxHealth = 100f;

		public float healthRegen = 1f;

		public float armor;

		public float shield;

		public int jumpCount = 1;

		public float damage = 12f;

		public float attackSpeed = 1f;

		public float crit = 1f;

		public float moveSpeed = 7f;

		public float acceleration = 80f;

		public float jumpPower = 15f;

		public bool autoCalculateLevelStats = true;

		public float healthGrowth = 30.000002f;

		public float regenGrowth = 0.2f;

		public float armorGrowth;

		public float shieldGrowth;

		public float damageGrowth = 2.4f;

		public float attackSpeedGrowth;

		public float critGrowth;

		public float moveSpeedGrowth;

		public float jumpPowerGrowth;

		public Vector3 aimOriginPosition = new Vector3(0f, 1.6f, 0f);

		public Vector3 modelBasePosition = new Vector3(0f, -0.92f, 0f);

		public Vector3 cameraPivotPosition = new Vector3(0f, 0.8f, 0f);

		public float cameraParamsVerticalOffset = 1.37f;

		public float cameraParamsDepth = -10f;

		private CharacterCameraParams _cameraParams;

		public CharacterCameraParams cameraParams
		{
			get
			{
				//IL_002c: Unknown result type (might be due to invalid IL or missing references)
				//IL_0031: Unknown result type (might be due to invalid IL or missing references)
				//IL_0046: Unknown result type (might be due to invalid IL or missing references)
				//IL_004b: Unknown result type (might be due to invalid IL or missing references)
				//IL_0060: Unknown result type (might be due to invalid IL or missing references)
				//IL_0065: Unknown result type (might be due to invalid IL or missing references)
				//IL_007b: Unknown result type (might be due to invalid IL or missing references)
				//IL_0080: Unknown result type (might be due to invalid IL or missing references)
				//IL_00a0: Unknown result type (might be due to invalid IL or missing references)
				//IL_00a5: Unknown result type (might be due to invalid IL or missing references)
				//IL_00aa: Unknown result type (might be due to invalid IL or missing references)
				if ((Object)(object)_cameraParams == (Object)null)
				{
					_cameraParams = ScriptableObject.CreateInstance<CharacterCameraParams>();
					_cameraParams.data.minPitch = BlendableFloat.op_Implicit(-70f);
					_cameraParams.data.maxPitch = BlendableFloat.op_Implicit(70f);
					_cameraParams.data.wallCushion = BlendableFloat.op_Implicit(0.1f);
					_cameraParams.data.pivotVerticalOffset = BlendableFloat.op_Implicit(cameraParamsVerticalOffset);
					_cameraParams.data.idealLocalCameraPos = BlendableVector3.op_Implicit(new Vector3(0f, 0f, cameraParamsDepth));
				}
				return _cameraParams;
			}
			set
			{
				_cameraParams = value;
			}
		}
	}
	public abstract class ItemDisplaysBase
	{
		public void SetItemDisplays(ItemDisplayRuleSet itemDisplayRuleSet)
		{
			List<KeyAssetRuleGroup> list = new List<KeyAssetRuleGroup>();
			ItemDisplays.LazyInit();
			SetItemDisplayRules(list);
			itemDisplayRuleSet.keyAssetRuleGroups = list.ToArray();
			ItemDisplays.DisposeWhenDone();
		}

		protected abstract void SetItemDisplayRules(List<KeyAssetRuleGroup> itemDisplayRules);
	}
	public abstract class SurvivorBase<T> : CharacterBase<T> where T : SurvivorBase<T>, new()
	{
		public abstract string masterName { get; }

		public abstract string displayPrefabName { get; }

		public abstract string survivorTokenPrefix { get; }

		public abstract UnlockableDef characterUnlockableDef { get; }

		public abstract GameObject displayPrefab { get; protected set; }

		public override void InitializeCharacter()
		{
			base.InitializeCharacter();
			InitializeDisplayPrefab();
			InitializeSurvivor();
		}

		protected virtual void InitializeDisplayPrefab()
		{
			displayPrefab = Prefabs.CreateDisplayPrefab(assetBundle, displayPrefabName, bodyPrefab);
		}

		protected virtual void InitializeSurvivor()
		{
			//IL_0012: Unknown result type (might be due to invalid IL or missing references)
			Content.CreateSurvivor(bodyPrefab, displayPrefab, bodyInfo.bodyColor, survivorTokenPrefix, characterUnlockableDef, bodyInfo.sortPosition);
		}

		protected virtual void AddCssPreviewSkill(int indexFromEditor, SkillFamily skillFamily, SkillDef skillDef)
		{
			CharacterSelectSurvivorPreviewDisplayController component = displayPrefab.GetComponent<CharacterSelectSurvivorPreviewDisplayController>();
			if (!Object.op_Implicit((Object)(object)component))
			{
				Log.Error("trying to add skillChangeResponse to null CharacterSelectSurvivorPreviewDisplayController.\nMake sure you created one on your Display prefab in editor");
				return;
			}
			component.skillChangeResponses[indexFromEditor].triggerSkillFamily = skillFamily;
			component.skillChangeResponses[indexFromEditor].triggerSkill = skillDef;
		}

		protected virtual void AddCssPreviewSkin(int indexFromEditor, SkinDef skinDef)
		{
			CharacterSelectSurvivorPreviewDisplayController component = displayPrefab.GetComponent<CharacterSelectSurvivorPreviewDisplayController>();
			if (!Object.op_Implicit((Object)(object)component))
			{
				Log.Error("trying to add skinChangeResponse to null CharacterSelectSurvivorPreviewDisplayController.\nMake sure you created one on your Display prefab in editor");
			}
			else
			{
				component.skinChangeResponses[indexFromEditor].triggerSkin = skinDef;
			}
		}

		protected virtual void FinalizeCSSPreviewDisplayController()
		{
			//IL_005a: Unknown result type (might be due to invalid IL or missing references)
			if (!Object.op_Implicit((Object)(object)displayPrefab))
			{
				return;
			}
			CharacterSelectSurvivorPreviewDisplayController component = displayPrefab.GetComponent<CharacterSelectSurvivorPreviewDisplayController>();
			if (!Object.op_Implicit((Object)(object)component))
			{
				return;
			}
			component.bodyPrefab = bodyPrefab;
			List<SkillChangeResponse> list = new List<SkillChangeResponse>();
			for (int i = 0; i < component.skillChangeResponses.Length; i++)
			{
				if ((Object)(object)component.skillChangeResponses[i].triggerSkillFamily != (Object)null)
				{
					list.Add(component.skillChangeResponses[i]);
				}
			}
			component.skillChangeResponses = list.ToArray();
		}
	}
}
namespace DIOOH.Modules.BaseStates
{
	public abstract class BaseMeleeAttack : BaseSkillState, IStepSetter
	{
		public int swingIndex;

		protected string hitboxGroupName = "SwordGroup";

		protected DamageTypeCombo damageType = DamageTypeCombo.op_Implicit((DamageType)0);

		protected float damageCoefficient = 3.5f;

		protected float procCoefficient = 1f;

		protected float pushForce = 300f;

		protected Vector3 bonusForce = Vector3.zero;

		protected float baseDuration = 1f;

		protected float attackStartPercentTime = 0.2f;

		protected float attackEndPercentTime = 0.4f;

		protected float earlyExitPercentTime = 0.4f;

		protected float hitStopDuration = 0.012f;

		protected float attackRecoil = 0.75f;

		protected float hitHopVelocity = 4f;

		protected string swingSoundString = "";

		protected string hitSoundString = "";

		protected string muzzleString = "SwingCenter";

		protected string playbackRateParam = "Slash.playbackRate";

		protected GameObject swingEffectPrefab;

		protected GameObject hitEffectPrefab;

		protected NetworkSoundEventIndex impactSound = (NetworkSoundEventIndex)(-1);

		protected OverlapAttack attack;

		public float duration;

		private bool hasFired;

		private float hitPauseTimer;

		protected bool inHitPause;

		private bool hasHopped;

		protected float stopwatch;

		protected Animator animator;

		private HitStopCachedState hitStopCachedState;

		private Vector3 storedVelocity;

		public override void OnEnter()
		{
			//IL_003f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0049: Expected O, but got Unknown
			//IL_0050: Unknown result type (might be due to invalid IL or missing references)
			//IL_0055: Unknown result type (might be due to invalid IL or missing references)
			//IL_0083: Unknown result type (might be due to invalid IL or missing references)
			//IL_0088: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ce: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d3: Unknown result type (might be due to invalid IL or missing references)
			//IL_0118: Unknown result type (might be due to invalid IL or missing references)
			//IL_011d: Unknown result type (might be due to invalid IL or missing references)
			((BaseState)this).OnEnter();
			duration = baseDuration / ((BaseState)this).attackSpeedStat;
			animator = ((EntityState)this).GetModelAnimator();
			((BaseState)this).StartAimMode(0.5f + duration, false);
			PlayAttackAnimation();
			attack = new OverlapAttack();
			attack.damageType = damageType;
			attack.attacker = ((EntityState)this).gameObject;
			attack.inflictor = ((EntityState)this).gameObject;
			attack.teamIndex = ((BaseState)this).GetTeam();
			attack.damage = damageCoefficient * ((BaseState)this).damageStat;
			attack.procCoefficient = procCoefficient;
			attack.hitEffectPrefab = hitEffectPrefab;
			attack.forceVector = bonusForce;
			attack.pushAwayForce = pushForce;
			attack.hitBoxGroup = ((BaseState)this).FindHitBoxGroup(hitboxGroupName);
			attack.isCrit = ((BaseState)this).RollCrit();
			attack.impactSound = impactSound;
			ModifyOverlapAttack(attack);
		}

		protected virtual void ModifyOverlapAttack(OverlapAttack attack)
		{
		}

		protected virtual void PlayAttackAnimation()
		{
			((EntityState)this).PlayCrossfade("Gesture, Override", "Slash" + (1 + swingIndex), playbackRateParam, duration, 0.05f);
		}

		public override void OnExit()
		{
			if (inHitPause)
			{
				RemoveHitstop();
			}
			((EntityState)this).OnExit();
		}

		protected virtual void PlaySwingEffect()
		{
			EffectManager.SimpleMuzzleFlash(swingEffectPrefab, ((EntityState)this).gameObject, muzzleString, false);
		}

		protected virtual void OnHitEnemyAuthority()
		{
			Util.PlaySound(hitSoundString, ((EntityState)this).gameObject);
			if (!hasHopped)
			{
				if (Object.op_Implicit((Object)(object)((EntityState)this).characterMotor) && !((EntityState)this).characterMotor.isGrounded && hitHopVelocity > 0f)
				{
					((BaseState)this).SmallHop(((EntityState)this).characterMotor, hitHopVelocity);
				}
				hasHopped = true;
			}
			ApplyHitstop();
		}

		protected void ApplyHitstop()
		{
			//IL_001c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0021: Unknown result type (might be due to invalid IL or missing references)
			//IL_003a: Unknown result type (might be due to invalid IL or missing references)
			//IL_003f: Unknown result type (might be due to invalid IL or missing references)
			if (!inHitPause && hitStopDuration > 0f)
			{
				storedVelocity = ((EntityState)this).characterMotor.velocity;
				hitStopCachedState = ((BaseState)this).CreateHitStopCachedState(((EntityState)this).characterMotor, animator, playbackRateParam);
				hitPauseTimer = hitStopDuration / ((BaseState)this).attackSpeedStat;
				inHitPause = true;
			}
		}

		private void FireAttack()
		{
			if (((EntityState)this).isAuthority && attack.Fire((List<HurtBox>)null))
			{
				OnHitEnemyAuthority();
			}
		}

		private void EnterAttack()
		{
			hasFired = true;
			Util.PlayAttackSpeedSound(swingSoundString, ((EntityState)this).gameObject, ((BaseState)this).attackSpeedStat);
			PlaySwingEffect();
			if (((EntityState)this).isAuthority)
			{
				((BaseState)this).AddRecoil(-1f * attackRecoil, -2f * attackRecoil, -0.5f * attackRecoil, 0.5f * attackRecoil);
			}
		}

		public override void FixedUpdate()
		{
			//IL_0062: Unknown result type (might be due to invalid IL or missing references)
			//IL_0067: Unknown result type (might be due to invalid IL or missing references)
			((EntityState)this).FixedUpdate();
			hitPauseTimer -= Time.deltaTime;
			if (hitPauseTimer <= 0f && inHitPause)
			{
				RemoveHitstop();
			}
			if (!inHitPause)
			{
				stopwatch += Time.deltaTime;
			}
			else
			{
				if (Object.op_Implicit((Object)(object)((EntityState)this).characterMotor))
				{
					((EntityState)this).characterMotor.velocity = Vector3.zero;
				}
				if (Object.op_Implicit((Object)(object)animator))
				{
					animator.SetFloat(playbackRateParam, 0f);
				}
			}
			bool flag = stopwatch >= duration * attackStartPercentTime;
			bool flag2 = stopwatch >= duration * attackEndPercentTime;
			if ((flag && !flag2) || (flag && flag2 && !hasFired))
			{
				if (!hasFired)
				{
					EnterAttack();
				}
				FireAttack();
			}
			if (stopwatch >= duration && ((EntityState)this).isAuthority)
			{
				((EntityState)this).outer.SetNextStateToMain();
			}
		}

		private void RemoveHitstop()
		{
			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
			//IL_0026: Unknown result type (might be due to invalid IL or missing references)
			//IL_002b: Unknown result type (might be due to invalid IL or missing references)
			((BaseState)this).ConsumeHitStopCachedState(hitStopCachedState, ((EntityState)this).characterMotor, animator);
			inHitPause = false;
			((EntityState)this).characterMotor.velocity = storedVelocity;
		}

		public override InterruptPriority GetMinimumInterruptPriority()
		{
			if (!(stopwatch >= duration * earlyExitPercentTime))
			{
				return (InterruptPriority)1;
			}
			return (InterruptPriority)0;
		}

		public override void OnSerialize(NetworkWriter writer)
		{
			((BaseSkillState)this).OnSerialize(writer);
			writer.Write(swingIndex);
		}

		public override void OnDeserialize(NetworkReader reader)
		{
			((BaseSkillState)this).OnDeserialize(reader);
			swingIndex = reader.ReadInt32();
		}

		public void SetStep(int i)
		{
			swingIndex = i;
		}
	}
	public abstract class BaseTimedSkillState : BaseSkillState
	{
		protected float duration;

		protected float castStartTime;

		protected float castEndTime;

		protected bool hasFired;

		protected bool isFiring;

		protected bool hasExited;

		public abstract float TimedBaseDuration { get; }

		public abstract float TimedBaseCastStartPercentTime { get; }

		public virtual float TimedBaseCastEndPercentTime => 1f;

		public override void OnEnter()
		{
			InitDurationValues();
			((BaseState)this).OnEnter();
		}

		protected virtual void InitDurationValues()
		{
			duration = TimedBaseDuration / ((BaseState)this).attackSpeedStat;
			castStartTime = TimedBaseCastStartPercentTime * duration;
			castEndTime = TimedBaseCastEndPercentTime * duration;
		}

		protected virtual void OnCastEnter()
		{
		}

		protected virtual void OnCastFixedUpdate()
		{
		}

		protected virtual void OnCastUpdate()
		{
		}

		protected virtual void OnCastExit()
		{
		}

		public override void FixedUpdate()
		{
			((EntityState)this).FixedUpdate();
			bool flag = ((EntityState)this).fixedAge >= castStartTime;
			bool flag2 = ((EntityState)this).fixedAge >= castEndTime;
			isFiring = false;
			if ((flag && !flag2) || (flag && flag2 && !hasFired))
			{
				isFiring = true;
				OnCastFixedUpdate();
				if (!hasFired)
				{
					OnCastEnter();
					hasFired = true;
				}
			}
			if (flag2 && !hasExited)
			{
				hasExited = true;
				OnCastExit();
			}
			if (((EntityState)this).fixedAge > duration)
			{
				((EntityState)this).outer.SetNextStateToMain();
			}
		}

		public override void Update()
		{
			((EntityState)this).Update();
			if (isFiring)
			{
				OnCastUpdate();
			}
		}
	}
	public class ExampleTimedSkillState : BaseTimedSkillState
	{
		public override float TimedBaseDuration => 1.5f;

		public override float TimedBaseCastStartPercentTime => 0.2f;

		public override float TimedBaseCastEndPercentTime => 0.9f;

		protected override void OnCastEnter()
		{
		}

		protected override void OnCastFixedUpdate()
		{
		}

		protected override void OnCastExit()
		{
		}
	}
	public class ExampleDelayedSkillState : BaseTimedSkillState
	{
		public override float TimedBaseDuration => 1.5f;

		public override float TimedBaseCastStartPercentTime => 0.2f;

		protected override void OnCastEnter()
		{
		}
	}
}
namespace DIOOH.Modules.Achievements
{
	public abstract class BaseMasteryAchievement : BaseAchievement
	{
		public abstract string RequiredCharacterBody { get; }

		public abstract float RequiredDifficultyCoefficient { get; }

		public override BodyIndex LookUpRequiredBodyIndex()
		{
			//IL_0006: Unknown result type (might be due to invalid IL or missing references)
			return BodyCatalog.FindBodyIndex(RequiredCharacterBody);
		}

		public override void OnBodyRequirementMet()
		{
			((BaseAchievement)this).OnBodyRequirementMet();
			Run.onClientGameOverGlobal += OnClientGameOverGlobal;
		}

		public override void OnBodyRequirementBroken()
		{
			Run.onClientGameOverGlobal -= OnClientGameOverGlobal;
			((BaseAchievement)this).OnBodyRequirementBroken();
		}

		private void OnClientGameOverGlobal(Run run, RunReport runReport)
		{
			//IL_0021: Unknown result type (might be due to invalid IL or missing references)
			//IL_0026: Unknown result type (might be due to invalid IL or missing references)
			//IL_0027: Unknown result type (might be due to invalid IL or missing references)
			//IL_005e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0060: Invalid comparison between Unknown and I4
			//IL_0062: Unknown result type (might be due to invalid IL or missing references)
			//IL_0065: Invalid comparison between Unknown and I4
			if (!Object.op_Implicit((Object)(object)runReport.gameEnding) || !runReport.gameEnding.isWin)
			{
				return;
			}
			DifficultyIndex val = runReport.ruleBook.FindDifficulty();
			DifficultyDef difficultyDef = DifficultyCatalog.GetDifficultyDef(val);
			if (difficultyDef != null)
			{
				bool num = difficultyDef.countsAsHardMode && difficultyDef.scalingValue >= RequiredDifficultyCoefficient;
				bool flag = difficultyDef.nameToken == "INFERNO_NAME";
				bool flag2 = (int)val >= 3 && (int)val <= 10;
				if (num || flag || flag2)
				{
					((BaseAchievement)this).Grant();
				}
			}
		}
	}
}
namespace DIOOH.Survivors.DIO
{
	public static class DIOBuffs
	{
		public static BuffDef timeStopDebuff;

		public static void Init(AssetBundle assetBundle)
		{
			//IL_0010: Unknown result type (might be due to invalid IL or missing references)
			timeStopDebuff = Content.CreateAndAddBuff("DIOTimeStop", assetBundle.LoadAsset<Sprite>("texTimeStopIcon"), Color.white, canStack: false, isDebuff: true);
		}
	}
	public static class DIOConfig
	{
		public static ConfigEntry<float> timeStopDuration;

		public static ConfigEntry<float> timeStopCooldown;

		public static ConfigEntry<float> secondaryCooldown;

		public static ConfigEntry<float> flurryDuration;

		public static ConfigEntry<float> blockCooldown;

		public static ConfigEntry<float> voiceVolume;

		public static void Init()
		{
			timeStopDuration = Config.BindAndOptions("DIO", "Time Stop Duration", 4f, 0f, 10f, "How long ZA WARUDO freezes the world, in seconds");
			timeStopCooldown = Config.BindAndOptions("DIO", "Time Stop Cooldown", 30f, 0f, 120f, "Cooldown of ZA WARUDO, starts when the stop ends");
			secondaryCooldown = Config.BindAndOptions("DIO", "Muda Dash Cooldown", 5f, 0f, 30f, "Cooldown of the MUDA dash");
			flurryDuration = Config.BindAndOptions("DIO", "Muda Flurry Base Duration", 2f, 0.5f, 10f, "Base duration of the MUDA flurry beatdown; +0.1s per 1% bonus attack speed");
			voiceVolume = Config.BindAndOptions("DIO", "Voice Volume", 0.35f, 0f, 2f, "Volume of DIO's voice lines");
			blockCooldown = Config.BindAndOptions("DIO", "Stand Guard Cooldown", 15f, 0f, 60f, "Cooldown of Stand Guard, starts when the block ends");
		}
	}
	public class RealityRewriteMarker : MonoBehaviour
	{
	}
	public static class DIOHooks
	{
		private static BodyIndex dioBodyIndex = (BodyIndex)(-1);

		private static bool freeChestUsedThisStage;

		private static bool IsDIO(CharacterBody body)
		{
			//IL_000a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0010: Invalid comparison between Unknown and I4
			//IL_0022: Unknown result type (might be due to invalid IL or missing references)
			//IL_0027: Unknown result type (might be due to invalid IL or missing references)
			//IL_0017: Unknown result type (might be due to invalid IL or missing references)
			//IL_001c: Unknown result type (might be due to invalid IL or missing references)
			if (!Object.op_Implicit((Object)(object)body))
			{
				return false;
			}
			if ((int)dioBodyIndex == -1)
			{
				dioBodyIndex = BodyCatalog.FindBodyIndex("DIOBody");
			}
			return body.bodyIndex == dioBodyIndex;
		}

		public static void RegisterHooks()
		{
			//IL_0007: Unknown result type (might be due to invalid IL or missing references)
			//IL_0011: Expected O, but got Unknown
			//IL_0029: Unknown result type (might be due to invali

plugins/NAudio.Core.dll

Decompiled a day ago
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
using System.Security;
using System.Security.Permissions;
using System.Text;
using System.Threading;
using NAudio.Dmo;
using NAudio.Dsp;
using NAudio.FileFormats.Wav;
using NAudio.Utils;
using NAudio.Wave;
using NAudio.Wave.SampleProviders;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: TargetFramework(".NETStandard,Version=v2.0", FrameworkDisplayName = ".NET Standard 2.0")]
[assembly: AssemblyCompany("Mark Heath")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyCopyright("© Mark Heath 2023")]
[assembly: AssemblyFileVersion("2.2.1.0")]
[assembly: AssemblyInformationalVersion("2.2.1")]
[assembly: AssemblyProduct("NAudio.Core")]
[assembly: AssemblyTitle("NAudio.Core")]
[assembly: AssemblyMetadata("RepositoryUrl", "https://github.com/naudio/NAudio")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("2.2.1.0")]
[module: UnverifiableCode]
namespace NAudio
{
	public enum Manufacturers
	{
		Microsoft = 1,
		Creative = 2,
		Mediavision = 3,
		Fujitsu = 4,
		Artisoft = 20,
		TurtleBeach = 21,
		Ibm = 22,
		Vocaltec = 23,
		Roland = 24,
		DspSolutions = 25,
		Nec = 26,
		Ati = 27,
		Wanglabs = 28,
		Tandy = 29,
		Voyetra = 30,
		Antex = 31,
		IclPS = 32,
		Intel = 33,
		Gravis = 34,
		Val = 35,
		Interactive = 36,
		Yamaha = 37,
		Everex = 38,
		Echo = 39,
		Sierra = 40,
		Cat = 41,
		Apps = 42,
		DspGroup = 43,
		Melabs = 44,
		ComputerFriends = 45,
		Ess = 46,
		Audiofile = 47,
		Motorola = 48,
		Canopus = 49,
		Epson = 50,
		Truevision = 51,
		Aztech = 52,
		Videologic = 53,
		Scalacs = 54,
		Korg = 55,
		Apt = 56,
		Ics = 57,
		Iteratedsys = 58,
		Metheus = 59,
		Logitech = 60,
		Winnov = 61,
		Ncr = 62,
		Exan = 63,
		Ast = 64,
		Willowpond = 65,
		Sonicfoundry = 66,
		Vitec = 67,
		Moscom = 68,
		Siliconsoft = 69,
		Supermac = 73,
		Audiopt = 74,
		Speechcomp = 76,
		Ahead = 77,
		Dolby = 78,
		Oki = 79,
		Auravision = 80,
		Olivetti = 81,
		Iomagic = 82,
		Matsushita = 83,
		Controlres = 84,
		Xebec = 85,
		Newmedia = 86,
		Nms = 87,
		Lyrrus = 88,
		Compusic = 89,
		Opti = 90,
		Adlacc = 91,
		Compaq = 92,
		Dialogic = 93,
		Insoft = 94,
		Mptus = 95,
		Weitek = 96,
		LernoutAndHauspie = 97,
		Qciar = 98,
		Apple = 99,
		Digital = 100,
		Motu = 101,
		Workbit = 102,
		Ositech = 103,
		Miro = 104,
		Cirruslogic = 105,
		Isolution = 106,
		Horizons = 107,
		Concepts = 108,
		Vtg = 109,
		Radius = 110,
		Rockwell = 111,
		Xyz = 112,
		Opcode = 113,
		Voxware = 114,
		NorthernTelecom = 115,
		Apicom = 116,
		Grande = 117,
		Addx = 118,
		Wildcat = 119,
		Rhetorex = 120,
		Brooktree = 121,
		Ensoniq = 125,
		Fast = 126,
		Nvidia = 127,
		Oksori = 128,
		Diacoustics = 129,
		Gulbransen = 130,
		KayElemetrics = 131,
		Crystal = 132,
		SplashStudios = 133,
		Quarterdeck = 134,
		Tdk = 135,
		DigitalAudioLabs = 136,
		Seersys = 137,
		Picturetel = 138,
		AttMicroelectronics = 139,
		Osprey = 140,
		Mediatrix = 141,
		Soundesigns = 142,
		Aldigital = 143,
		SpectrumSignalProcessing = 144,
		Ecs = 145,
		Amd = 146,
		Coredynamics = 147,
		Canam = 148,
		Softsound = 149,
		Norris = 150,
		Ddd = 151,
		Euphonics = 152,
		Precept = 153,
		CrystalNet = 154,
		Chromatic = 155,
		Voiceinfo = 156,
		Viennasys = 157,
		Connectix = 158,
		Gadgetlabs = 159,
		Frontier = 160,
		Viona = 161,
		Casio = 162,
		Diamondmm = 163,
		S3 = 164,
		FraunhoferIis = 172
	}
	public class MmException : Exception
	{
		public MmResult Result { get; }

		public string Function { get; }

		public MmException(MmResult result, string function)
			: base(ErrorMessage(result, function))
		{
			Result = result;
			Function = function;
		}

		private static string ErrorMessage(MmResult result, string function)
		{
			return $"{result} calling {function}";
		}

		public static void Try(MmResult result, string function)
		{
			if (result != 0)
			{
				throw new MmException(result, function);
			}
		}
	}
	public enum MmResult
	{
		NoError = 0,
		UnspecifiedError = 1,
		BadDeviceId = 2,
		NotEnabled = 3,
		AlreadyAllocated = 4,
		InvalidHandle = 5,
		NoDriver = 6,
		MemoryAllocationError = 7,
		NotSupported = 8,
		BadErrorNumber = 9,
		InvalidFlag = 10,
		InvalidParameter = 11,
		HandleBusy = 12,
		InvalidAlias = 13,
		BadRegistryDatabase = 14,
		RegistryKeyNotFound = 15,
		RegistryReadError = 16,
		RegistryWriteError = 17,
		RegistryDeleteError = 18,
		RegistryValueNotFound = 19,
		NoDriverCallback = 20,
		MoreData = 21,
		WaveBadFormat = 32,
		WaveStillPlaying = 33,
		WaveHeaderUnprepared = 34,
		WaveSync = 35,
		AcmNotPossible = 512,
		AcmBusy = 513,
		AcmHeaderUnprepared = 514,
		AcmCancelled = 515,
		MixerInvalidLine = 1024,
		MixerInvalidControl = 1025,
		MixerInvalidValue = 1026
	}
}
namespace NAudio.CoreAudioApi
{
	public enum CaptureState
	{
		Stopped,
		Starting,
		Capturing,
		Stopping
	}
}
namespace NAudio.Dmo
{
	public class AudioMediaSubtypes
	{
		public static readonly Guid MEDIASUBTYPE_PCM = new Guid("00000001-0000-0010-8000-00AA00389B71");

		public static readonly Guid MEDIASUBTYPE_PCMAudioObsolete = new Guid("e436eb8a-524f-11ce-9f53-0020af0ba770");

		public static readonly Guid MEDIASUBTYPE_MPEG1Packet = new Guid("e436eb80-524f-11ce-9f53-0020af0ba770");

		public static readonly Guid MEDIASUBTYPE_MPEG1Payload = new Guid("e436eb81-524f-11ce-9f53-0020af0ba770");

		public static readonly Guid MEDIASUBTYPE_MPEG2_AUDIO = new Guid("e06d802b-db46-11cf-b4d1-00805f6cbbea");

		public static readonly Guid MEDIASUBTYPE_DVD_LPCM_AUDIO = new Guid("e06d8032-db46-11cf-b4d1-00805f6cbbea");

		public static readonly Guid MEDIASUBTYPE_DRM_Audio = new Guid("00000009-0000-0010-8000-00aa00389b71");

		public static readonly Guid MEDIASUBTYPE_IEEE_FLOAT = new Guid("00000003-0000-0010-8000-00aa00389b71");

		public static readonly Guid MEDIASUBTYPE_DOLBY_AC3 = new Guid("e06d802c-db46-11cf-b4d1-00805f6cbbea");

		public static readonly Guid MEDIASUBTYPE_DOLBY_AC3_SPDIF = new Guid("00000092-0000-0010-8000-00aa00389b71");

		public static readonly Guid MEDIASUBTYPE_RAW_SPORT = new Guid("00000240-0000-0010-8000-00aa00389b71");

		public static readonly Guid MEDIASUBTYPE_SPDIF_TAG_241h = new Guid("00000241-0000-0010-8000-00aa00389b71");

		public static readonly Guid MEDIASUBTYPE_I420 = new Guid("30323449-0000-0010-8000-00AA00389B71");

		public static readonly Guid MEDIASUBTYPE_IYUV = new Guid("56555949-0000-0010-8000-00AA00389B71");

		public static readonly Guid MEDIASUBTYPE_RGB1 = new Guid("e436eb78-524f-11ce-9f53-0020af0ba770");

		public static readonly Guid MEDIASUBTYPE_RGB24 = new Guid("e436eb7d-524f-11ce-9f53-0020af0ba770");

		public static readonly Guid MEDIASUBTYPE_RGB32 = new Guid("e436eb7e-524f-11ce-9f53-0020af0ba770");

		public static readonly Guid MEDIASUBTYPE_RGB4 = new Guid("e436eb79-524f-11ce-9f53-0020af0ba770");

		public static readonly Guid MEDIASUBTYPE_RGB555 = new Guid("e436eb7c-524f-11ce-9f53-0020af0ba770");

		public static readonly Guid MEDIASUBTYPE_RGB565 = new Guid("e436eb7b-524f-11ce-9f53-0020af0ba770");

		public static readonly Guid MEDIASUBTYPE_RGB8 = new Guid("e436eb7a-524f-11ce-9f53-0020af0ba770");

		public static readonly Guid MEDIASUBTYPE_UYVY = new Guid("59565955-0000-0010-8000-00AA00389B71");

		public static readonly Guid MEDIASUBTYPE_VIDEOIMAGE = new Guid("1d4a45f2-e5f6-4b44-8388-f0ae5c0e0c37");

		public static readonly Guid MEDIASUBTYPE_YUY2 = new Guid("32595559-0000-0010-8000-00AA00389B71");

		public static readonly Guid MEDIASUBTYPE_YV12 = new Guid("31313259-0000-0010-8000-00AA00389B71");

		public static readonly Guid MEDIASUBTYPE_YVU9 = new Guid("39555659-0000-0010-8000-00AA00389B71");

		public static readonly Guid MEDIASUBTYPE_YVYU = new Guid("55595659-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMFORMAT_MPEG2Video = new Guid("e06d80e3-db46-11cf-b4d1-00805f6cbbea");

		public static readonly Guid WMFORMAT_Script = new Guid("5C8510F2-DEBE-4ca7-BBA5-F07A104F8DFF");

		public static readonly Guid WMFORMAT_VideoInfo = new Guid("05589f80-c356-11ce-bf01-00aa0055595a");

		public static readonly Guid WMFORMAT_WaveFormatEx = new Guid("05589f81-c356-11ce-bf01-00aa0055595a");

		public static readonly Guid WMFORMAT_WebStream = new Guid("da1e6b13-8359-4050-b398-388e965bf00c");

		public static readonly Guid WMMEDIASUBTYPE_ACELPnet = new Guid("00000130-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_Base = new Guid("00000000-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_DRM = new Guid("00000009-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_MP3 = new Guid("00000055-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_MP43 = new Guid("3334504D-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_MP4S = new Guid("5334504D-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_M4S2 = new Guid("3253344D-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_P422 = new Guid("32323450-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_MPEG2_VIDEO = new Guid("e06d8026-db46-11cf-b4d1-00805f6cbbea");

		public static readonly Guid WMMEDIASUBTYPE_MSS1 = new Guid("3153534D-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_MSS2 = new Guid("3253534D-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_PCM = new Guid("00000001-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_WebStream = new Guid("776257d4-c627-41cb-8f81-7ac7ff1c40cc");

		public static readonly Guid WMMEDIASUBTYPE_WMAudio_Lossless = new Guid("00000163-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_WMAudioV2 = new Guid("00000161-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_WMAudioV7 = new Guid("00000161-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_WMAudioV8 = new Guid("00000161-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_WMAudioV9 = new Guid("00000162-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_WMSP1 = new Guid("0000000A-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_WMV1 = new Guid("31564D57-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_WMV2 = new Guid("32564D57-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_WMV3 = new Guid("33564D57-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_WMVA = new Guid("41564D57-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_WMVP = new Guid("50564D57-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIASUBTYPE_WVP2 = new Guid("32505657-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIATYPE_Audio = new Guid("73647561-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIATYPE_FileTransfer = new Guid("D9E47579-930E-4427-ADFC-AD80F290E470");

		public static readonly Guid WMMEDIATYPE_Image = new Guid("34A50FD8-8AA5-4386-81FE-A0EFE0488E31");

		public static readonly Guid WMMEDIATYPE_Script = new Guid("73636d64-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMMEDIATYPE_Text = new Guid("9BBA1EA7-5AB2-4829-BA57-0940209BCF3E");

		public static readonly Guid WMMEDIATYPE_Video = new Guid("73646976-0000-0010-8000-00AA00389B71");

		public static readonly Guid WMSCRIPTTYPE_TwoStrings = new Guid("82f38a70-c29f-11d1-97ad-00a0c95ea850");

		public static readonly Guid MEDIASUBTYPE_WAVE = new Guid("e436eb8b-524f-11ce-9f53-0020af0ba770");

		public static readonly Guid MEDIASUBTYPE_AU = new Guid("e436eb8c-524f-11ce-9f53-0020af0ba770");

		public static readonly Guid MEDIASUBTYPE_AIFF = new Guid("e436eb8d-524f-11ce-9f53-0020af0ba770");

		public static readonly Guid[] AudioSubTypes = new Guid[13]
		{
			MEDIASUBTYPE_PCM, MEDIASUBTYPE_PCMAudioObsolete, MEDIASUBTYPE_MPEG1Packet, MEDIASUBTYPE_MPEG1Payload, MEDIASUBTYPE_MPEG2_AUDIO, MEDIASUBTYPE_DVD_LPCM_AUDIO, MEDIASUBTYPE_DRM_Audio, MEDIASUBTYPE_IEEE_FLOAT, MEDIASUBTYPE_DOLBY_AC3, MEDIASUBTYPE_DOLBY_AC3_SPDIF,
			MEDIASUBTYPE_RAW_SPORT, MEDIASUBTYPE_SPDIF_TAG_241h, WMMEDIASUBTYPE_MP3
		};

		public static readonly string[] AudioSubTypeNames = new string[13]
		{
			"PCM", "PCM Obsolete", "MPEG1Packet", "MPEG1Payload", "MPEG2_AUDIO", "DVD_LPCM_AUDIO", "DRM_Audio", "IEEE_FLOAT", "DOLBY_AC3", "DOLBY_AC3_SPDIF",
			"RAW_SPORT", "SPDIF_TAG_241h", "MP3"
		};

		public static string GetAudioSubtypeName(Guid subType)
		{
			for (int i = 0; i < AudioSubTypes.Length; i++)
			{
				if (subType == AudioSubTypes[i])
				{
					return AudioSubTypeNames[i];
				}
			}
			return subType.ToString();
		}
	}
}
namespace NAudio.Utils
{
	public static class BufferHelpers
	{
		public static byte[] Ensure(byte[] buffer, int bytesRequired)
		{
			if (buffer == null || buffer.Length < bytesRequired)
			{
				buffer = new byte[bytesRequired];
			}
			return buffer;
		}

		public static float[] Ensure(float[] buffer, int samplesRequired)
		{
			if (buffer == null || buffer.Length < samplesRequired)
			{
				buffer = new float[samplesRequired];
			}
			return buffer;
		}
	}
	public static class ByteArrayExtensions
	{
		public static bool IsEntirelyNull(byte[] buffer)
		{
			for (int i = 0; i < buffer.Length; i++)
			{
				if (buffer[i] != 0)
				{
					return false;
				}
			}
			return true;
		}

		public static string DescribeAsHex(byte[] buffer, string separator, int bytesPerLine)
		{
			StringBuilder stringBuilder = new StringBuilder();
			int num = 0;
			foreach (byte b in buffer)
			{
				stringBuilder.AppendFormat("{0:X2}{1}", b, separator);
				if (++num % bytesPerLine == 0)
				{
					stringBuilder.Append("\r\n");
				}
			}
			stringBuilder.Append("\r\n");
			return stringBuilder.ToString();
		}

		public static string DecodeAsString(byte[] buffer, int offset, int length, Encoding encoding)
		{
			for (int i = 0; i < length; i++)
			{
				if (buffer[offset + i] == 0)
				{
					length = i;
				}
			}
			return encoding.GetString(buffer, offset, length);
		}

		public static byte[] Concat(params byte[][] byteArrays)
		{
			int num = 0;
			byte[][] array = byteArrays;
			foreach (byte[] array2 in array)
			{
				num += array2.Length;
			}
			if (num <= 0)
			{
				return new byte[0];
			}
			byte[] array3 = new byte[num];
			int num2 = 0;
			array = byteArrays;
			foreach (byte[] array4 in array)
			{
				Array.Copy(array4, 0, array3, num2, array4.Length);
				num2 += array4.Length;
			}
			return array3;
		}
	}
	public class ByteEncoding : Encoding
	{
		public static readonly ByteEncoding Instance = new ByteEncoding();

		private ByteEncoding()
		{
		}

		public override int GetByteCount(char[] chars, int index, int count)
		{
			return count;
		}

		public override int GetBytes(char[] chars, int charIndex, int charCount, byte[] bytes, int byteIndex)
		{
			for (int i = 0; i < charCount; i++)
			{
				bytes[byteIndex + i] = (byte)chars[charIndex + i];
			}
			return charCount;
		}

		public override int GetCharCount(byte[] bytes, int index, int count)
		{
			for (int i = 0; i < count; i++)
			{
				if (bytes[index + i] == 0)
				{
					return i;
				}
			}
			return count;
		}

		public override int GetChars(byte[] bytes, int byteIndex, int byteCount, char[] chars, int charIndex)
		{
			for (int i = 0; i < byteCount; i++)
			{
				byte b = bytes[byteIndex + i];
				if (b == 0)
				{
					return i;
				}
				chars[charIndex + i] = (char)b;
			}
			return byteCount;
		}

		public override int GetMaxCharCount(int byteCount)
		{
			return byteCount;
		}

		public override int GetMaxByteCount(int charCount)
		{
			return charCount;
		}
	}
	public class ChunkIdentifier
	{
		public static int ChunkIdentifierToInt32(string s)
		{
			if (s.Length != 4)
			{
				throw new ArgumentException("Must be a four character string");
			}
			byte[] bytes = Encoding.UTF8.GetBytes(s);
			if (bytes.Length != 4)
			{
				throw new ArgumentException("Must encode to exactly four bytes");
			}
			return BitConverter.ToInt32(bytes, 0);
		}
	}
	public class CircularBuffer
	{
		private readonly byte[] buffer;

		private readonly object lockObject;

		private int writePosition;

		private int readPosition;

		private int byteCount;

		public int MaxLength => buffer.Length;

		public int Count
		{
			get
			{
				lock (lockObject)
				{
					return byteCount;
				}
			}
		}

		public CircularBuffer(int size)
		{
			buffer = new byte[size];
			lockObject = new object();
		}

		public int Write(byte[] data, int offset, int count)
		{
			lock (lockObject)
			{
				int num = 0;
				if (count > buffer.Length - byteCount)
				{
					count = buffer.Length - byteCount;
				}
				int num2 = Math.Min(buffer.Length - writePosition, count);
				Array.Copy(data, offset, buffer, writePosition, num2);
				writePosition += num2;
				writePosition %= buffer.Length;
				num += num2;
				if (num < count)
				{
					Array.Copy(data, offset + num, buffer, writePosition, count - num);
					writePosition += count - num;
					num = count;
				}
				byteCount += num;
				return num;
			}
		}

		public int Read(byte[] data, int offset, int count)
		{
			lock (lockObject)
			{
				if (count > byteCount)
				{
					count = byteCount;
				}
				int num = 0;
				int num2 = Math.Min(buffer.Length - readPosition, count);
				Array.Copy(buffer, readPosition, data, offset, num2);
				num += num2;
				readPosition += num2;
				readPosition %= buffer.Length;
				if (num < count)
				{
					Array.Copy(buffer, readPosition, data, offset + num, count - num);
					readPosition += count - num;
					num = count;
				}
				byteCount -= num;
				return num;
			}
		}

		public void Reset()
		{
			lock (lockObject)
			{
				ResetInner();
			}
		}

		private void ResetInner()
		{
			byteCount = 0;
			readPosition = 0;
			writePosition = 0;
		}

		public void Advance(int count)
		{
			lock (lockObject)
			{
				if (count >= byteCount)
				{
					ResetInner();
					return;
				}
				byteCount -= count;
				readPosition += count;
				readPosition %= MaxLength;
			}
		}
	}
	public class Decibels
	{
		private const double LOG_2_DB = 8.685889638065037;

		private const double DB_2_LOG = 0.11512925464970228;

		public static double LinearToDecibels(double lin)
		{
			return Math.Log(lin) * 8.685889638065037;
		}

		public static double DecibelsToLinear(double dB)
		{
			return Math.Exp(dB * 0.11512925464970228);
		}
	}
	[AttributeUsage(AttributeTargets.Field)]
	public class FieldDescriptionAttribute : Attribute
	{
		public string Description { get; }

		public FieldDescriptionAttribute(string description)
		{
			Description = description;
		}

		public override string ToString()
		{
			return Description;
		}
	}
	public static class FieldDescriptionHelper
	{
		public static string Describe(Type t, Guid guid)
		{
			FieldInfo[] fields = t.GetFields(BindingFlags.Static | BindingFlags.Public);
			foreach (FieldInfo fieldInfo in fields)
			{
				if (!fieldInfo.IsPublic || !fieldInfo.IsStatic || !(fieldInfo.FieldType == typeof(Guid)) || !((Guid)fieldInfo.GetValue(null) == guid))
				{
					continue;
				}
				object[] customAttributes = fieldInfo.GetCustomAttributes(inherit: false);
				for (int j = 0; j < customAttributes.Length; j++)
				{
					if (customAttributes[j] is FieldDescriptionAttribute fieldDescriptionAttribute)
					{
						return fieldDescriptionAttribute.Description;
					}
				}
				return fieldInfo.Name;
			}
			return guid.ToString();
		}
	}
	public static class HResult
	{
		public const int S_OK = 0;

		public const int S_FALSE = 1;

		public const int E_INVALIDARG = -2147483645;

		private const int FACILITY_AAF = 18;

		private const int FACILITY_ACS = 20;

		private const int FACILITY_BACKGROUNDCOPY = 32;

		private const int FACILITY_CERT = 11;

		private const int FACILITY_COMPLUS = 17;

		private const int FACILITY_CONFIGURATION = 33;

		private const int FACILITY_CONTROL = 10;

		private const int FACILITY_DISPATCH = 2;

		private const int FACILITY_DPLAY = 21;

		private const int FACILITY_HTTP = 25;

		private const int FACILITY_INTERNET = 12;

		private const int FACILITY_ITF = 4;

		private const int FACILITY_MEDIASERVER = 13;

		private const int FACILITY_MSMQ = 14;

		private const int FACILITY_NULL = 0;

		private const int FACILITY_RPC = 1;

		private const int FACILITY_SCARD = 16;

		private const int FACILITY_SECURITY = 9;

		private const int FACILITY_SETUPAPI = 15;

		private const int FACILITY_SSPI = 9;

		private const int FACILITY_STORAGE = 3;

		private const int FACILITY_SXS = 23;

		private const int FACILITY_UMI = 22;

		private const int FACILITY_URT = 19;

		private const int FACILITY_WIN32 = 7;

		private const int FACILITY_WINDOWS = 8;

		private const int FACILITY_WINDOWS_CE = 24;

		public static int MAKE_HRESULT(int sev, int fac, int code)
		{
			return (sev << 31) | (fac << 16) | code;
		}

		public static int GetHResult(this COMException exception)
		{
			return exception.ErrorCode;
		}
	}
	public static class IEEE
	{
		private static double UnsignedToFloat(ulong u)
		{
			return (double)(long)(u - int.MaxValue - 1) + 2147483648.0;
		}

		private static double ldexp(double x, int exp)
		{
			return x * Math.Pow(2.0, exp);
		}

		private static double frexp(double x, out int exp)
		{
			exp = (int)Math.Floor(Math.Log(x) / Math.Log(2.0)) + 1;
			return 1.0 - (Math.Pow(2.0, exp) - x) / Math.Pow(2.0, exp);
		}

		private static ulong FloatToUnsigned(double f)
		{
			return (ulong)((long)(f - 2147483648.0) + int.MaxValue + 1);
		}

		public static byte[] ConvertToIeeeExtended(double num)
		{
			int num2;
			if (num < 0.0)
			{
				num2 = 32768;
				num *= -1.0;
			}
			else
			{
				num2 = 0;
			}
			ulong num4;
			ulong num5;
			int num3;
			if (num == 0.0)
			{
				num3 = 0;
				num4 = 0uL;
				num5 = 0uL;
			}
			else
			{
				double num6 = frexp(num, out num3);
				if (num3 > 16384 || !(num6 < 1.0))
				{
					num3 = num2 | 0x7FFF;
					num4 = 0uL;
					num5 = 0uL;
				}
				else
				{
					num3 += 16382;
					if (num3 < 0)
					{
						num6 = ldexp(num6, num3);
						num3 = 0;
					}
					num3 |= num2;
					num6 = ldexp(num6, 32);
					double num7 = Math.Floor(num6);
					num4 = FloatToUnsigned(num7);
					num6 = ldexp(num6 - num7, 32);
					num7 = Math.Floor(num6);
					num5 = FloatToUnsigned(num7);
				}
			}
			return new byte[10]
			{
				(byte)(num3 >> 8),
				(byte)num3,
				(byte)(num4 >> 24),
				(byte)(num4 >> 16),
				(byte)(num4 >> 8),
				(byte)num4,
				(byte)(num5 >> 24),
				(byte)(num5 >> 16),
				(byte)(num5 >> 8),
				(byte)num5
			};
		}

		public static double ConvertFromIeeeExtended(byte[] bytes)
		{
			if (bytes.Length != 10)
			{
				throw new Exception("Incorrect length for IEEE extended.");
			}
			int num = ((bytes[0] & 0x7F) << 8) | bytes[1];
			uint num2 = (uint)((bytes[2] << 24) | (bytes[3] << 16) | (bytes[4] << 8) | bytes[5]);
			uint num3 = (uint)((bytes[6] << 24) | (bytes[7] << 16) | (bytes[8] << 8) | bytes[9]);
			double num4;
			if (num == 0 && num2 == 0 && num3 == 0)
			{
				num4 = 0.0;
			}
			else if (num == 32767)
			{
				num4 = double.NaN;
			}
			else
			{
				num -= 16383;
				num4 = ldexp(UnsignedToFloat(num2), num -= 31);
				num4 += ldexp(UnsignedToFloat(num3), num -= 32);
			}
			if ((bytes[0] & 0x80) == 128)
			{
				return 0.0 - num4;
			}
			return num4;
		}
	}
	public class IgnoreDisposeStream : Stream
	{
		public Stream SourceStream { get; private set; }

		public bool IgnoreDispose { get; set; }

		public override bool CanRead => SourceStream.CanRead;

		public override bool CanSeek => SourceStream.CanSeek;

		public override bool CanWrite => SourceStream.CanWrite;

		public override long Length => SourceStream.Length;

		public override long Position
		{
			get
			{
				return SourceStream.Position;
			}
			set
			{
				SourceStream.Position = value;
			}
		}

		public IgnoreDisposeStream(Stream sourceStream)
		{
			SourceStream = sourceStream;
			IgnoreDispose = true;
		}

		public override void Flush()
		{
			SourceStream.Flush();
		}

		public override int Read(byte[] buffer, int offset, int count)
		{
			return SourceStream.Read(buffer, offset, count);
		}

		public override long Seek(long offset, SeekOrigin origin)
		{
			return SourceStream.Seek(offset, origin);
		}

		public override void SetLength(long value)
		{
			SourceStream.SetLength(value);
		}

		public override void Write(byte[] buffer, int offset, int count)
		{
			SourceStream.Write(buffer, offset, count);
		}

		protected override void Dispose(bool disposing)
		{
			if (!IgnoreDispose)
			{
				SourceStream.Dispose();
				SourceStream = null;
			}
		}
	}
	public static class NativeMethods
	{
		[DllImport("kernel32.dll")]
		public static extern IntPtr LoadLibrary(string dllToLoad);

		[DllImport("kernel32.dll")]
		public static extern IntPtr GetProcAddress(IntPtr hModule, string procedureName);

		[DllImport("kernel32.dll")]
		public static extern bool FreeLibrary(IntPtr hModule);
	}
	public static class WavePositionExtensions
	{
		public static TimeSpan GetPositionTimeSpan(this IWavePosition @this)
		{
			return TimeSpan.FromMilliseconds((double)(@this.GetPosition() / (@this.OutputWaveFormat.Channels * @this.OutputWaveFormat.BitsPerSample / 8)) * 1000.0 / (double)@this.OutputWaveFormat.SampleRate);
		}
	}
}
namespace NAudio.FileFormats.Wav
{
	public class WaveFileChunkReader
	{
		private WaveFormat waveFormat;

		private long dataChunkPosition;

		private long dataChunkLength;

		private List<RiffChunk> riffChunks;

		private readonly bool strictMode;

		private bool isRf64;

		private readonly bool storeAllChunks;

		private long riffSize;

		public WaveFormat WaveFormat => waveFormat;

		public long DataChunkPosition => dataChunkPosition;

		public long DataChunkLength => dataChunkLength;

		public List<RiffChunk> RiffChunks => riffChunks;

		public WaveFileChunkReader()
		{
			storeAllChunks = true;
			strictMode = false;
		}

		public void ReadWaveHeader(Stream stream)
		{
			dataChunkPosition = -1L;
			waveFormat = null;
			riffChunks = new List<RiffChunk>();
			dataChunkLength = 0L;
			BinaryReader binaryReader = new BinaryReader(stream);
			ReadRiffHeader(binaryReader);
			riffSize = binaryReader.ReadUInt32();
			if (binaryReader.ReadInt32() != ChunkIdentifier.ChunkIdentifierToInt32("WAVE"))
			{
				throw new FormatException("Not a WAVE file - no WAVE header");
			}
			if (isRf64)
			{
				ReadDs64Chunk(binaryReader);
			}
			int num = ChunkIdentifier.ChunkIdentifierToInt32("data");
			int num2 = ChunkIdentifier.ChunkIdentifierToInt32("fmt ");
			long num3 = Math.Min(riffSize + 8, stream.Length);
			while (stream.Position <= num3 - 8)
			{
				int num4 = binaryReader.ReadInt32();
				uint num5 = binaryReader.ReadUInt32();
				if (num4 == num)
				{
					dataChunkPosition = stream.Position;
					if (!isRf64)
					{
						dataChunkLength = num5;
					}
					stream.Position += num5;
				}
				else if (num4 == num2)
				{
					if (num5 > int.MaxValue)
					{
						throw new InvalidDataException($"Format chunk length must be between 0 and {int.MaxValue}.");
					}
					waveFormat = WaveFormat.FromFormatChunk(binaryReader, (int)num5);
				}
				else
				{
					if (num5 > stream.Length - stream.Position)
					{
						if (!strictMode)
						{
						}
						break;
					}
					if (storeAllChunks)
					{
						if (num5 > int.MaxValue)
						{
							throw new InvalidDataException($"RiffChunk chunk length must be between 0 and {int.MaxValue}.");
						}
						riffChunks.Add(GetRiffChunk(stream, num4, (int)num5));
					}
					stream.Position += num5;
				}
				if (num5 % 2 != 0 && binaryReader.PeekChar() == 0)
				{
					stream.Position++;
				}
			}
			if (waveFormat == null)
			{
				throw new FormatException("Invalid WAV file - No fmt chunk found");
			}
			if (dataChunkPosition == -1)
			{
				throw new FormatException("Invalid WAV file - No data chunk found");
			}
		}

		private void ReadDs64Chunk(BinaryReader reader)
		{
			int num = ChunkIdentifier.ChunkIdentifierToInt32("ds64");
			if (reader.ReadInt32() != num)
			{
				throw new FormatException("Invalid RF64 WAV file - No ds64 chunk found");
			}
			int num2 = reader.ReadInt32();
			riffSize = reader.ReadInt64();
			dataChunkLength = reader.ReadInt64();
			reader.ReadInt64();
			reader.ReadBytes(num2 - 24);
		}

		private static RiffChunk GetRiffChunk(Stream stream, int chunkIdentifier, int chunkLength)
		{
			return new RiffChunk(chunkIdentifier, chunkLength, stream.Position);
		}

		private void ReadRiffHeader(BinaryReader br)
		{
			int num = br.ReadInt32();
			if (num == ChunkIdentifier.ChunkIdentifierToInt32("RF64"))
			{
				isRf64 = true;
			}
			else if (num != ChunkIdentifier.ChunkIdentifierToInt32("RIFF"))
			{
				throw new FormatException("Not a WAVE file - no RIFF header");
			}
		}
	}
}
namespace NAudio.SoundFont
{
	public class Generator
	{
		public GeneratorEnum GeneratorType { get; set; }

		public ushort UInt16Amount { get; set; }

		public short Int16Amount
		{
			get
			{
				return (short)UInt16Amount;
			}
			set
			{
				UInt16Amount = (ushort)value;
			}
		}

		public byte LowByteAmount
		{
			get
			{
				return (byte)(UInt16Amount & 0xFFu);
			}
			set
			{
				UInt16Amount &= 65280;
				UInt16Amount += value;
			}
		}

		public byte HighByteAmount
		{
			get
			{
				return (byte)((UInt16Amount & 0xFF00) >> 8);
			}
			set
			{
				UInt16Amount &= 255;
				UInt16Amount += (ushort)(value << 8);
			}
		}

		public Instrument Instrument { get; set; }

		public SampleHeader SampleHeader { get; set; }

		public override string ToString()
		{
			if (GeneratorType == GeneratorEnum.Instrument)
			{
				return "Generator Instrument " + Instrument.Name;
			}
			if (GeneratorType == GeneratorEnum.SampleID)
			{
				return $"Generator SampleID {SampleHeader}";
			}
			return $"Generator {GeneratorType} {UInt16Amount}";
		}
	}
	internal class GeneratorBuilder : StructureBuilder<Generator>
	{
		public override int Length => 4;

		public Generator[] Generators => data.ToArray();

		public override Generator Read(BinaryReader br)
		{
			Generator generator = new Generator();
			generator.GeneratorType = (GeneratorEnum)br.ReadUInt16();
			generator.UInt16Amount = br.ReadUInt16();
			data.Add(generator);
			return generator;
		}

		public override void Write(BinaryWriter bw, Generator o)
		{
		}

		public void Load(Instrument[] instruments)
		{
			Generator[] generators = Generators;
			foreach (Generator generator in generators)
			{
				if (generator.GeneratorType == GeneratorEnum.Instrument)
				{
					generator.Instrument = instruments[generator.UInt16Amount];
				}
			}
		}

		public void Load(SampleHeader[] sampleHeaders)
		{
			Generator[] generators = Generators;
			foreach (Generator generator in generators)
			{
				if (generator.GeneratorType == GeneratorEnum.SampleID)
				{
					generator.SampleHeader = sampleHeaders[generator.UInt16Amount];
				}
			}
		}
	}
	public enum GeneratorEnum
	{
		StartAddressOffset,
		EndAddressOffset,
		StartLoopAddressOffset,
		EndLoopAddressOffset,
		StartAddressCoarseOffset,
		ModulationLFOToPitch,
		VibratoLFOToPitch,
		ModulationEnvelopeToPitch,
		InitialFilterCutoffFrequency,
		InitialFilterQ,
		ModulationLFOToFilterCutoffFrequency,
		ModulationEnvelopeToFilterCutoffFrequency,
		EndAddressCoarseOffset,
		ModulationLFOToVolume,
		Unused1,
		ChorusEffectsSend,
		ReverbEffectsSend,
		Pan,
		Unused2,
		Unused3,
		Unused4,
		DelayModulationLFO,
		FrequencyModulationLFO,
		DelayVibratoLFO,
		FrequencyVibratoLFO,
		DelayModulationEnvelope,
		AttackModulationEnvelope,
		HoldModulationEnvelope,
		DecayModulationEnvelope,
		SustainModulationEnvelope,
		ReleaseModulationEnvelope,
		KeyNumberToModulationEnvelopeHold,
		KeyNumberToModulationEnvelopeDecay,
		DelayVolumeEnvelope,
		AttackVolumeEnvelope,
		HoldVolumeEnvelope,
		DecayVolumeEnvelope,
		SustainVolumeEnvelope,
		ReleaseVolumeEnvelope,
		KeyNumberToVolumeEnvelopeHold,
		KeyNumberToVolumeEnvelopeDecay,
		Instrument,
		Reserved1,
		KeyRange,
		VelocityRange,
		StartLoopAddressCoarseOffset,
		KeyNumber,
		Velocity,
		InitialAttenuation,
		Reserved2,
		EndLoopAddressCoarseOffset,
		CoarseTune,
		FineTune,
		SampleID,
		SampleModes,
		Reserved3,
		ScaleTuning,
		ExclusiveClass,
		OverridingRootKey,
		Unused5,
		UnusedEnd
	}
	public class InfoChunk
	{
		public SFVersion SoundFontVersion { get; }

		public string WaveTableSoundEngine { get; set; }

		public string BankName { get; set; }

		public string DataROM { get; set; }

		public string CreationDate { get; set; }

		public string Author { get; set; }

		public string TargetProduct { get; set; }

		public string Copyright { get; set; }

		public string Comments { get; set; }

		public string Tools { get; set; }

		public SFVersion ROMVersion { get; set; }

		internal InfoChunk(RiffChunk chunk)
		{
			bool flag = false;
			bool flag2 = false;
			if (chunk.ReadChunkID() != "INFO")
			{
				throw new InvalidDataException("Not an INFO chunk");
			}
			RiffChunk nextSubChunk;
			while ((nextSubChunk = chunk.GetNextSubChunk()) != null)
			{
				switch (nextSubChunk.ChunkID)
				{
				case "ifil":
					flag = true;
					SoundFontVersion = nextSubChunk.GetDataAsStructure(new SFVersionBuilder());
					break;
				case "isng":
					WaveTableSoundEngine = nextSubChunk.GetDataAsString();
					break;
				case "INAM":
					flag2 = true;
					BankName = nextSubChunk.GetDataAsString();
					break;
				case "irom":
					DataROM = nextSubChunk.GetDataAsString();
					break;
				case "iver":
					ROMVersion = nextSubChunk.GetDataAsStructure(new SFVersionBuilder());
					break;
				case "ICRD":
					CreationDate = nextSubChunk.GetDataAsString();
					break;
				case "IENG":
					Author = nextSubChunk.GetDataAsString();
					break;
				case "IPRD":
					TargetProduct = nextSubChunk.GetDataAsString();
					break;
				case "ICOP":
					Copyright = nextSubChunk.GetDataAsString();
					break;
				case "ICMT":
					Comments = nextSubChunk.GetDataAsString();
					break;
				case "ISFT":
					Tools = nextSubChunk.GetDataAsString();
					break;
				default:
					throw new InvalidDataException("Unknown chunk type " + nextSubChunk.ChunkID);
				}
			}
			if (!flag)
			{
				throw new InvalidDataException("Missing SoundFont version information");
			}
			if (!flag2)
			{
				throw new InvalidDataException("Missing SoundFont name information");
			}
		}

		public override string ToString()
		{
			return string.Format("Bank Name: {0}\r\nAuthor: {1}\r\nCopyright: {2}\r\nCreation Date: {3}\r\nTools: {4}\r\nComments: {5}\r\nSound Engine: {6}\r\nSoundFont Version: {7}\r\nTarget Product: {8}\r\nData ROM: {9}\r\nROM Version: {10}", BankName, Author, Copyright, CreationDate, Tools, "TODO-fix comments", WaveTableSoundEngine, SoundFontVersion, TargetProduct, DataROM, ROMVersion);
		}
	}
	public class Instrument
	{
		internal ushort startInstrumentZoneIndex;

		internal ushort endInstrumentZoneIndex;

		public string Name { get; set; }

		public Zone[] Zones { get; set; }

		public override string ToString()
		{
			return Name;
		}
	}
	internal class InstrumentBuilder : StructureBuilder<Instrument>
	{
		private Instrument lastInstrument;

		public override int Length => 22;

		public Instrument[] Instruments => data.ToArray();

		public override Instrument Read(BinaryReader br)
		{
			Instrument instrument = new Instrument();
			string text = Encoding.UTF8.GetString(br.ReadBytes(20), 0, 20);
			if (text.IndexOf('\0') >= 0)
			{
				text = text.Substring(0, text.IndexOf('\0'));
			}
			instrument.Name = text;
			instrument.startInstrumentZoneIndex = br.ReadUInt16();
			if (lastInstrument != null)
			{
				lastInstrument.endInstrumentZoneIndex = (ushort)(instrument.startInstrumentZoneIndex - 1);
			}
			data.Add(instrument);
			lastInstrument = instrument;
			return instrument;
		}

		public override void Write(BinaryWriter bw, Instrument instrument)
		{
		}

		public void LoadZones(Zone[] zones)
		{
			for (int i = 0; i < data.Count - 1; i++)
			{
				Instrument instrument = data[i];
				instrument.Zones = new Zone[instrument.endInstrumentZoneIndex - instrument.startInstrumentZoneIndex + 1];
				Array.Copy(zones, instrument.startInstrumentZoneIndex, instrument.Zones, 0, instrument.Zones.Length);
			}
			data.RemoveAt(data.Count - 1);
		}
	}
	public enum TransformEnum
	{
		Linear
	}
	public class Modulator
	{
		public ModulatorType SourceModulationData { get; set; }

		public GeneratorEnum DestinationGenerator { get; set; }

		public short Amount { get; set; }

		public ModulatorType SourceModulationAmount { get; set; }

		public TransformEnum SourceTransform { get; set; }

		public override string ToString()
		{
			return $"Modulator {SourceModulationData} {DestinationGenerator} {Amount} {SourceModulationAmount} {SourceTransform}";
		}
	}
	internal class ModulatorBuilder : StructureBuilder<Modulator>
	{
		public override int Length => 10;

		public Modulator[] Modulators => data.ToArray();

		public override Modulator Read(BinaryReader br)
		{
			Modulator modulator = new Modulator();
			modulator.SourceModulationData = new ModulatorType(br.ReadUInt16());
			modulator.DestinationGenerator = (GeneratorEnum)br.ReadUInt16();
			modulator.Amount = br.ReadInt16();
			modulator.SourceModulationAmount = new ModulatorType(br.ReadUInt16());
			modulator.SourceTransform = (TransformEnum)br.ReadUInt16();
			data.Add(modulator);
			return modulator;
		}

		public override void Write(BinaryWriter bw, Modulator o)
		{
		}
	}
	public enum ControllerSourceEnum
	{
		NoController = 0,
		NoteOnVelocity = 2,
		NoteOnKeyNumber = 3,
		PolyPressure = 10,
		ChannelPressure = 13,
		PitchWheel = 14,
		PitchWheelSensitivity = 16
	}
	public enum SourceTypeEnum
	{
		Linear,
		Concave,
		Convex,
		Switch
	}
	public class ModulatorType
	{
		private bool polarity;

		private bool direction;

		private bool midiContinuousController;

		private ControllerSourceEnum controllerSource;

		private SourceTypeEnum sourceType;

		private ushort midiContinuousControllerNumber;

		internal ModulatorType(ushort raw)
		{
			polarity = (raw & 0x200) == 512;
			direction = (raw & 0x100) == 256;
			midiContinuousController = (raw & 0x80) == 128;
			sourceType = (SourceTypeEnum)((raw & 0xFC00) >> 10);
			controllerSource = (ControllerSourceEnum)(raw & 0x7F);
			midiContinuousControllerNumber = (ushort)(raw & 0x7Fu);
		}

		public override string ToString()
		{
			if (midiContinuousController)
			{
				return $"{sourceType} CC{midiContinuousControllerNumber}";
			}
			return $"{sourceType} {controllerSource}";
		}
	}
	public class Preset
	{
		internal ushort startPresetZoneIndex;

		internal ushort endPresetZoneIndex;

		internal uint library;

		internal uint genre;

		internal uint morphology;

		public string Name { get; set; }

		public ushort PatchNumber { get; set; }

		public ushort Bank { get; set; }

		public Zone[] Zones { get; set; }

		public override string ToString()
		{
			return $"{Bank}-{PatchNumber} {Name}";
		}
	}
	internal class PresetBuilder : StructureBuilder<Preset>
	{
		private Preset lastPreset;

		public override int Length => 38;

		public Preset[] Presets => data.ToArray();

		public override Preset Read(BinaryReader br)
		{
			Preset preset = new Preset();
			string text = Encoding.UTF8.GetString(br.ReadBytes(20), 0, 20);
			if (text.IndexOf('\0') >= 0)
			{
				text = text.Substring(0, text.IndexOf('\0'));
			}
			preset.Name = text;
			preset.PatchNumber = br.ReadUInt16();
			preset.Bank = br.ReadUInt16();
			preset.startPresetZoneIndex = br.ReadUInt16();
			preset.library = br.ReadUInt32();
			preset.genre = br.ReadUInt32();
			preset.morphology = br.ReadUInt32();
			if (lastPreset != null)
			{
				lastPreset.endPresetZoneIndex = (ushort)(preset.startPresetZoneIndex - 1);
			}
			data.Add(preset);
			lastPreset = preset;
			return preset;
		}

		public override void Write(BinaryWriter bw, Preset preset)
		{
		}

		public void LoadZones(Zone[] presetZones)
		{
			for (int i = 0; i < data.Count - 1; i++)
			{
				Preset preset = data[i];
				preset.Zones = new Zone[preset.endPresetZoneIndex - preset.startPresetZoneIndex + 1];
				Array.Copy(presetZones, preset.startPresetZoneIndex, preset.Zones, 0, preset.Zones.Length);
			}
			data.RemoveAt(data.Count - 1);
		}
	}
	public class PresetsChunk
	{
		private PresetBuilder presetHeaders = new PresetBuilder();

		private ZoneBuilder presetZones = new ZoneBuilder();

		private ModulatorBuilder presetZoneModulators = new ModulatorBuilder();

		private GeneratorBuilder presetZoneGenerators = new GeneratorBuilder();

		private InstrumentBuilder instruments = new InstrumentBuilder();

		private ZoneBuilder instrumentZones = new ZoneBuilder();

		private ModulatorBuilder instrumentZoneModulators = new ModulatorBuilder();

		private GeneratorBuilder instrumentZoneGenerators = new GeneratorBuilder();

		private SampleHeaderBuilder sampleHeaders = new SampleHeaderBuilder();

		public Preset[] Presets => presetHeaders.Presets;

		public Instrument[] Instruments => instruments.Instruments;

		public SampleHeader[] SampleHeaders => sampleHeaders.SampleHeaders;

		internal PresetsChunk(RiffChunk chunk)
		{
			string text = chunk.ReadChunkID();
			if (text != "pdta")
			{
				throw new InvalidDataException($"Not a presets data chunk ({text})");
			}
			RiffChunk nextSubChunk;
			while ((nextSubChunk = chunk.GetNextSubChunk()) != null)
			{
				switch (nextSubChunk.ChunkID)
				{
				case "phdr":
				case "PHDR":
					nextSubChunk.GetDataAsStructureArray(presetHeaders);
					break;
				case "pbag":
				case "PBAG":
					nextSubChunk.GetDataAsStructureArray(presetZones);
					break;
				case "pmod":
				case "PMOD":
					nextSubChunk.GetDataAsStructureArray(presetZoneModulators);
					break;
				case "pgen":
				case "PGEN":
					nextSubChunk.GetDataAsStructureArray(presetZoneGenerators);
					break;
				case "inst":
				case "INST":
					nextSubChunk.GetDataAsStructureArray(instruments);
					break;
				case "ibag":
				case "IBAG":
					nextSubChunk.GetDataAsStructureArray(instrumentZones);
					break;
				case "imod":
				case "IMOD":
					nextSubChunk.GetDataAsStructureArray(instrumentZoneModulators);
					break;
				case "igen":
				case "IGEN":
					nextSubChunk.GetDataAsStructureArray(instrumentZoneGenerators);
					break;
				case "shdr":
				case "SHDR":
					nextSubChunk.GetDataAsStructureArray(sampleHeaders);
					break;
				default:
					throw new InvalidDataException($"Unknown chunk type {nextSubChunk.ChunkID}");
				}
			}
			instrumentZoneGenerators.Load(sampleHeaders.SampleHeaders);
			instrumentZones.Load(instrumentZoneModulators.Modulators, instrumentZoneGenerators.Generators);
			instruments.LoadZones(instrumentZones.Zones);
			presetZoneGenerators.Load(instruments.Instruments);
			presetZones.Load(presetZoneModulators.Modulators, presetZoneGenerators.Generators);
			presetHeaders.LoadZones(presetZones.Zones);
			sampleHeaders.RemoveEOS();
		}

		public override string ToString()
		{
			StringBuilder stringBuilder = new StringBuilder();
			stringBuilder.Append("Preset Headers:\r\n");
			Preset[] presets = presetHeaders.Presets;
			foreach (Preset arg in presets)
			{
				stringBuilder.AppendFormat("{0}\r\n", arg);
			}
			stringBuilder.Append("Instruments:\r\n");
			Instrument[] array = instruments.Instruments;
			foreach (Instrument arg2 in array)
			{
				stringBuilder.AppendFormat("{0}\r\n", arg2);
			}
			return stringBuilder.ToString();
		}
	}
	internal class RiffChunk
	{
		private string chunkID;

		private BinaryReader riffFile;

		public string ChunkID
		{
			get
			{
				return chunkID;
			}
			set
			{
				if (value == null)
				{
					throw new ArgumentNullException("ChunkID may not be null");
				}
				if (value.Length != 4)
				{
					throw new ArgumentException("ChunkID must be four characters");
				}
				chunkID = value;
			}
		}

		public uint ChunkSize { get; private set; }

		public long DataOffset { get; private set; }

		public static RiffChunk GetTopLevelChunk(BinaryReader file)
		{
			RiffChunk riffChunk = new RiffChunk(file);
			riffChunk.ReadChunk();
			return riffChunk;
		}

		private RiffChunk(BinaryReader file)
		{
			riffFile = file;
			chunkID = "????";
			ChunkSize = 0u;
			DataOffset = 0L;
		}

		public string ReadChunkID()
		{
			byte[] array = riffFile.ReadBytes(4);
			if (array.Length != 4)
			{
				throw new InvalidDataException("Couldn't read Chunk ID");
			}
			return ByteEncoding.Instance.GetString(array, 0, array.Length);
		}

		private void ReadChunk()
		{
			chunkID = ReadChunkID();
			ChunkSize = riffFile.ReadUInt32();
			DataOffset = riffFile.BaseStream.Position;
		}

		public RiffChunk GetNextSubChunk()
		{
			if (riffFile.BaseStream.Position + 8 < DataOffset + ChunkSize)
			{
				RiffChunk riffChunk = new RiffChunk(riffFile);
				riffChunk.ReadChunk();
				return riffChunk;
			}
			return null;
		}

		public byte[] GetData()
		{
			riffFile.BaseStream.Position = DataOffset;
			byte[] array = riffFile.ReadBytes((int)ChunkSize);
			if (array.Length != ChunkSize)
			{
				throw new InvalidDataException($"Couldn't read chunk's data Chunk: {this}, read {array.Length} bytes");
			}
			return array;
		}

		public string GetDataAsString()
		{
			byte[] data = GetData();
			if (data == null)
			{
				return null;
			}
			return ByteEncoding.Instance.GetString(data, 0, data.Length);
		}

		public T GetDataAsStructure<T>(StructureBuilder<T> s)
		{
			riffFile.BaseStream.Position = DataOffset;
			if (s.Length != ChunkSize)
			{
				throw new InvalidDataException($"Chunk size is: {ChunkSize} so can't read structure of: {s.Length}");
			}
			return s.Read(riffFile);
		}

		public T[] GetDataAsStructureArray<T>(StructureBuilder<T> s)
		{
			riffFile.BaseStream.Position = DataOffset;
			if (ChunkSize % s.Length != 0L)
			{
				throw new InvalidDataException($"Chunk size is: {ChunkSize} not a multiple of structure size: {s.Length}");
			}
			int num = (int)(ChunkSize / s.Length);
			T[] array = new T[num];
			for (int i = 0; i < num; i++)
			{
				array[i] = s.Read(riffFile);
			}
			return array;
		}

		public override string ToString()
		{
			return $"RiffChunk ID: {ChunkID} Size: {ChunkSize} Data Offset: {DataOffset}";
		}
	}
	internal class SampleDataChunk
	{
		public byte[] SampleData { get; private set; }

		public SampleDataChunk(RiffChunk chunk)
		{
			string text = chunk.ReadChunkID();
			if (text != "sdta")
			{
				throw new InvalidDataException("Not a sample data chunk (" + text + ")");
			}
			SampleData = chunk.GetData();
		}
	}
	public class SampleHeader
	{
		public string SampleName;

		public uint Start;

		public uint End;

		public uint StartLoop;

		public uint EndLoop;

		public uint SampleRate;

		public byte OriginalPitch;

		public sbyte PitchCorrection;

		public ushort SampleLink;

		public SFSampleLink SFSampleLink;

		public override string ToString()
		{
			return SampleName;
		}
	}
	internal class SampleHeaderBuilder : StructureBuilder<SampleHeader>
	{
		public override int Length => 46;

		public SampleHeader[] SampleHeaders => data.ToArray();

		public override SampleHeader Read(BinaryReader br)
		{
			SampleHeader sampleHeader = new SampleHeader();
			byte[] array = br.ReadBytes(20);
			sampleHeader.SampleName = ByteEncoding.Instance.GetString(array, 0, array.Length);
			sampleHeader.Start = br.ReadUInt32();
			sampleHeader.End = br.ReadUInt32();
			sampleHeader.StartLoop = br.ReadUInt32();
			sampleHeader.EndLoop = br.ReadUInt32();
			sampleHeader.SampleRate = br.ReadUInt32();
			sampleHeader.OriginalPitch = br.ReadByte();
			sampleHeader.PitchCorrection = br.ReadSByte();
			sampleHeader.SampleLink = br.ReadUInt16();
			sampleHeader.SFSampleLink = (SFSampleLink)br.ReadUInt16();
			data.Add(sampleHeader);
			return sampleHeader;
		}

		public override void Write(BinaryWriter bw, SampleHeader sampleHeader)
		{
		}

		internal void RemoveEOS()
		{
			data.RemoveAt(data.Count - 1);
		}
	}
	public enum SampleMode
	{
		NoLoop,
		LoopContinuously,
		ReservedNoLoop,
		LoopAndContinue
	}
	public enum SFSampleLink : ushort
	{
		MonoSample = 1,
		RightSample = 2,
		LeftSample = 4,
		LinkedSample = 8,
		RomMonoSample = 32769,
		RomRightSample = 32770,
		RomLeftSample = 32772,
		RomLinkedSample = 32776
	}
	public class SFVersion
	{
		public short Major { get; set; }

		public short Minor { get; set; }
	}
	internal class SFVersionBuilder : StructureBuilder<SFVersion>
	{
		public override int Length => 4;

		public override SFVersion Read(BinaryReader br)
		{
			SFVersion sFVersion = new SFVersion();
			sFVersion.Major = br.ReadInt16();
			sFVersion.Minor = br.ReadInt16();
			data.Add(sFVersion);
			return sFVersion;
		}

		public override void Write(BinaryWriter bw, SFVersion v)
		{
			bw.Write(v.Major);
			bw.Write(v.Minor);
		}
	}
	public class SoundFont
	{
		private InfoChunk info;

		private PresetsChunk presetsChunk;

		private SampleDataChunk sampleData;

		public InfoChunk FileInfo => info;

		public Preset[] Presets => presetsChunk.Presets;

		public Instrument[] Instruments => presetsChunk.Instruments;

		public SampleHeader[] SampleHeaders => presetsChunk.SampleHeaders;

		public byte[] SampleData => sampleData.SampleData;

		public SoundFont(string fileName)
			: this(new FileStream(fileName, FileMode.Open, FileAccess.Read))
		{
		}

		public SoundFont(Stream sfFile)
		{
			using (sfFile)
			{
				RiffChunk topLevelChunk = RiffChunk.GetTopLevelChunk(new BinaryReader(sfFile));
				if (topLevelChunk.ChunkID == "RIFF")
				{
					string text = topLevelChunk.ReadChunkID();
					if (text != "sfbk")
					{
						throw new InvalidDataException($"Not a SoundFont ({text})");
					}
					RiffChunk nextSubChunk = topLevelChunk.GetNextSubChunk();
					if (nextSubChunk.ChunkID == "LIST")
					{
						info = new InfoChunk(nextSubChunk);
						RiffChunk nextSubChunk2 = topLevelChunk.GetNextSubChunk();
						sampleData = new SampleDataChunk(nextSubChunk2);
						nextSubChunk2 = topLevelChunk.GetNextSubChunk();
						presetsChunk = new PresetsChunk(nextSubChunk2);
						return;
					}
					throw new InvalidDataException($"Not info list found ({nextSubChunk.ChunkID})");
				}
				throw new InvalidDataException("Not a RIFF file");
			}
		}

		public override string ToString()
		{
			return $"Info Chunk:\r\n{info}\r\nPresets Chunk:\r\n{presetsChunk}";
		}
	}
	internal abstract class StructureBuilder<T>
	{
		protected List<T> data;

		public abstract int Length { get; }

		public T[] Data => data.ToArray();

		public StructureBuilder()
		{
			Reset();
		}

		public abstract T Read(BinaryReader br);

		public abstract void Write(BinaryWriter bw, T o);

		public void Reset()
		{
			data = new List<T>();
		}
	}
	public class Zone
	{
		internal ushort generatorIndex;

		internal ushort modulatorIndex;

		internal ushort generatorCount;

		internal ushort modulatorCount;

		public Modulator[] Modulators { get; set; }

		public Generator[] Generators { get; set; }

		public override string ToString()
		{
			return $"Zone {generatorCount} Gens:{generatorIndex} {modulatorCount} Mods:{modulatorIndex}";
		}
	}
	internal class ZoneBuilder : StructureBuilder<Zone>
	{
		private Zone lastZone;

		public Zone[] Zones => data.ToArray();

		public override int Length => 4;

		public override Zone Read(BinaryReader br)
		{
			Zone zone = new Zone();
			zone.generatorIndex = br.ReadUInt16();
			zone.modulatorIndex = br.ReadUInt16();
			if (lastZone != null)
			{
				lastZone.generatorCount = (ushort)(zone.generatorIndex - lastZone.generatorIndex);
				lastZone.modulatorCount = (ushort)(zone.modulatorIndex - lastZone.modulatorIndex);
			}
			data.Add(zone);
			lastZone = zone;
			return zone;
		}

		public override void Write(BinaryWriter bw, Zone zone)
		{
		}

		public void Load(Modulator[] modulators, Generator[] generators)
		{
			for (int i = 0; i < data.Count - 1; i++)
			{
				Zone zone = data[i];
				zone.Generators = new Generator[zone.generatorCount];
				Array.Copy(generators, zone.generatorIndex, zone.Generators, 0, zone.generatorCount);
				zone.Modulators = new Modulator[zone.modulatorCount];
				Array.Copy(modulators, zone.modulatorIndex, zone.Modulators, 0, zone.modulatorCount);
			}
			data.RemoveAt(data.Count - 1);
		}
	}
}
namespace NAudio.Wave
{
	public enum ChannelMode
	{
		Stereo,
		JointStereo,
		DualChannel,
		Mono
	}
	public class Id3v2Tag
	{
		private long tagStartPosition;

		private long tagEndPosition;

		private byte[] rawData;

		public byte[] RawData => rawData;

		public static Id3v2Tag ReadTag(Stream input)
		{
			try
			{
				return new Id3v2Tag(input);
			}
			catch (FormatException)
			{
				return null;
			}
		}

		public static Id3v2Tag Create(IEnumerable<KeyValuePair<string, string>> tags)
		{
			return ReadTag(CreateId3v2TagStream(tags));
		}

		private static byte[] FrameSizeToBytes(int n)
		{
			byte[] bytes = BitConverter.GetBytes(n);
			Array.Reverse((Array)bytes);
			return bytes;
		}

		private static byte[] CreateId3v2Frame(string key, string value)
		{
			if (string.IsNullOrEmpty(key))
			{
				throw new ArgumentNullException("key");
			}
			if (string.IsNullOrEmpty(value))
			{
				throw new ArgumentNullException("value");
			}
			if (key.Length != 4)
			{
				throw new ArgumentOutOfRangeException("key", "key " + key + " must be 4 characters long");
			}
			byte[] array = new byte[2] { 255, 254 };
			byte[] array2 = new byte[3];
			byte[] array3 = new byte[2];
			byte[] array4 = ((!(key == "COMM")) ? ByteArrayExtensions.Concat(new byte[1] { 1 }, array, Encoding.Unicode.GetBytes(value)) : ByteArrayExtensions.Concat(new byte[1] { 1 }, array2, array3, array, Encoding.Unicode.GetBytes(value)));
			return ByteArrayExtensions.Concat(Encoding.UTF8.GetBytes(key), FrameSizeToBytes(array4.Length), new byte[2], array4);
		}

		private static byte[] GetId3TagHeaderSize(int size)
		{
			byte[] array = new byte[4];
			for (int num = array.Length - 1; num >= 0; num--)
			{
				array[num] = (byte)(size % 128);
				size /= 128;
			}
			return array;
		}

		private static byte[] CreateId3v2TagHeader(IEnumerable<byte[]> frames)
		{
			int num = 0;
			foreach (byte[] frame in frames)
			{
				num += frame.Length;
			}
			return ByteArrayExtensions.Concat(Encoding.UTF8.GetBytes("ID3"), new byte[2] { 3, 0 }, new byte[1], GetId3TagHeaderSize(num));
		}

		private static Stream CreateId3v2TagStream(IEnumerable<KeyValuePair<string, string>> tags)
		{
			List<byte[]> list = new List<byte[]>();
			foreach (KeyValuePair<string, string> tag in tags)
			{
				list.Add(CreateId3v2Frame(tag.Key, tag.Value));
			}
			byte[] array = CreateId3v2TagHeader(list);
			MemoryStream memoryStream = new MemoryStream();
			memoryStream.Write(array, 0, array.Length);
			foreach (byte[] item in list)
			{
				memoryStream.Write(item, 0, item.Length);
			}
			memoryStream.Position = 0L;
			return memoryStream;
		}

		private Id3v2Tag(Stream input)
		{
			tagStartPosition = input.Position;
			BinaryReader binaryReader = new BinaryReader(input);
			byte[] array = binaryReader.ReadBytes(10);
			if (array.Length >= 3 && array[0] == 73 && array[1] == 68 && array[2] == 51)
			{
				if ((array[5] & 0x40) == 64)
				{
					byte[] array2 = binaryReader.ReadBytes(4);
					_ = array2[0] * 2097152 + array2[1] * 16384 + array2[2] * 128;
					_ = array2[3];
				}
				int num = array[6] * 2097152;
				num += array[7] * 16384;
				num += array[8] * 128;
				num += array[9];
				binaryReader.ReadBytes(num);
				if ((array[5] & 0x10) == 16)
				{
					binaryReader.ReadBytes(10);
				}
				tagEndPosition = input.Position;
				input.Position = tagStartPosition;
				rawData = binaryReader.ReadBytes((int)(tagEndPosition - tagStartPosition));
				return;
			}
			input.Position = tagStartPosition;
			throw new FormatException("Not an ID3v2 tag");
		}
	}
	public interface IMp3FrameDecompressor : IDisposable
	{
		WaveFormat OutputFormat { get; }

		int DecompressFrame(Mp3Frame frame, byte[] dest, int destOffset);

		void Reset();
	}
	public class Mp3Frame
	{
		private static readonly int[,,] bitRates = new int[2, 3, 15]
		{
			{
				{
					0, 32, 64, 96, 128, 160, 192, 224, 256, 288,
					320, 352, 384, 416, 448
				},
				{
					0, 32, 48, 56, 64, 80, 96, 112, 128, 160,
					192, 224, 256, 320, 384
				},
				{
					0, 32, 40, 48, 56, 64, 80, 96, 112, 128,
					160, 192, 224, 256, 320
				}
			},
			{
				{
					0, 32, 48, 56, 64, 80, 96, 112, 128, 144,
					160, 176, 192, 224, 256
				},
				{
					0, 8, 16, 24, 32, 40, 48, 56, 64, 80,
					96, 112, 128, 144, 160
				},
				{
					0, 8, 16, 24, 32, 40, 48, 56, 64, 80,
					96, 112, 128, 144, 160
				}
			}
		};

		private static readonly int[,] samplesPerFrame = new int[2, 3]
		{
			{ 384, 1152, 1152 },
			{ 384, 1152, 576 }
		};

		private static readonly int[] sampleRatesVersion1 = new int[3] { 44100, 48000, 32000 };

		private static readonly int[] sampleRatesVersion2 = new int[3] { 22050, 24000, 16000 };

		private static readonly int[] sampleRatesVersion25 = new int[3] { 11025, 12000, 8000 };

		private const int MaxFrameLength = 16384;

		public int SampleRate { get; private set; }

		public int FrameLength { get; private set; }

		public int BitRate { get; private set; }

		public byte[] RawData { get; private set; }

		public MpegVersion MpegVersion { get; private set; }

		public MpegLayer MpegLayer { get; private set; }

		public ChannelMode ChannelMode { get; private set; }

		public int SampleCount { get; private set; }

		public int ChannelExtension { get; private set; }

		public int BitRateIndex { get; private set; }

		public bool Copyright { get; private set; }

		public bool CrcPresent { get; private set; }

		public long FileOffset { get; private set; }

		public static Mp3Frame LoadFromStream(Stream input)
		{
			return LoadFromStream(input, readData: true);
		}

		public static Mp3Frame LoadFromStream(Stream input, bool readData)
		{
			Mp3Frame mp3Frame = new Mp3Frame();
			mp3Frame.FileOffset = input.Position;
			byte[] array = new byte[4];
			if (input.Read(array, 0, array.Length) < array.Length)
			{
				return null;
			}
			while (!IsValidHeader(array, mp3Frame))
			{
				array[0] = array[1];
				array[1] = array[2];
				array[2] = array[3];
				if (input.Read(array, 3, 1) < 1)
				{
					return null;
				}
				mp3Frame.FileOffset++;
			}
			int num = mp3Frame.FrameLength - 4;
			if (readData)
			{
				mp3Frame.RawData = new byte[mp3Frame.FrameLength];
				Array.Copy(array, mp3Frame.RawData, 4);
				if (input.Read(mp3Frame.RawData, 4, num) < num)
				{
					throw new EndOfStreamException("Unexpected end of stream before frame complete");
				}
			}
			else
			{
				input.Position += num;
			}
			return mp3Frame;
		}

		private Mp3Frame()
		{
		}

		private static bool IsValidHeader(byte[] headerBytes, Mp3Frame frame)
		{
			if (headerBytes[0] == byte.MaxValue && (headerBytes[1] & 0xE0) == 224)
			{
				frame.MpegVersion = (MpegVersion)((headerBytes[1] & 0x18) >> 3);
				if (frame.MpegVersion == MpegVersion.Reserved)
				{
					return false;
				}
				frame.MpegLayer = (MpegLayer)((headerBytes[1] & 6) >> 1);
				if (frame.MpegLayer == MpegLayer.Reserved)
				{
					return false;
				}
				int num = ((frame.MpegLayer != MpegLayer.Layer1) ? ((frame.MpegLayer == MpegLayer.Layer2) ? 1 : 2) : 0);
				frame.CrcPresent = (headerBytes[1] & 1) == 0;
				frame.BitRateIndex = (headerBytes[2] & 0xF0) >> 4;
				if (frame.BitRateIndex == 15)
				{
					return false;
				}
				int num2 = ((frame.MpegVersion != MpegVersion.Version1) ? 1 : 0);
				frame.BitRate = bitRates[num2, num, frame.BitRateIndex] * 1000;
				if (frame.BitRate == 0)
				{
					return false;
				}
				int num3 = (headerBytes[2] & 0xC) >> 2;
				if (num3 == 3)
				{
					return false;
				}
				if (frame.MpegVersion == MpegVersion.Version1)
				{
					frame.SampleRate = sampleRatesVersion1[num3];
				}
				else if (frame.MpegVersion == MpegVersion.Version2)
				{
					frame.SampleRate = sampleRatesVersion2[num3];
				}
				else
				{
					frame.SampleRate = sampleRatesVersion25[num3];
				}
				bool flag = (headerBytes[2] & 2) == 2;
				_ = headerBytes[2];
				frame.ChannelMode = (ChannelMode)((headerBytes[3] & 0xC0) >> 6);
				frame.ChannelExtension = (headerBytes[3] & 0x30) >> 4;
				if (frame.ChannelExtension != 0 && frame.ChannelMode != ChannelMode.JointStereo)
				{
					return false;
				}
				frame.Copyright = (headerBytes[3] & 8) == 8;
				_ = headerBytes[3];
				_ = headerBytes[3];
				int num4 = (flag ? 1 : 0);
				frame.SampleCount = samplesPerFrame[num2, num];
				int num5 = frame.SampleCount / 8;
				if (frame.MpegLayer == MpegLayer.Layer1)
				{
					frame.FrameLength = (num5 * frame.BitRate / frame.SampleRate + num4) * 4;
				}
				else
				{
					frame.FrameLength = num5 * frame.BitRate / frame.SampleRate + num4;
				}
				if (frame.FrameLength > 16384)
				{
					return false;
				}
				return true;
			}
			return false;
		}
	}
	public enum MpegLayer
	{
		Reserved,
		Layer3,
		Layer2,
		Layer1
	}
	public enum MpegVersion
	{
		Version25,
		Reserved,
		Version2,
		Version1
	}
	public class XingHeader
	{
		[Flags]
		private enum XingHeaderOptions
		{
			Frames = 1,
			Bytes = 2,
			Toc = 4,
			VbrScale = 8
		}

		private static int[] sr_table = new int[4] { 44100, 48000, 32000, 99999 };

		private int vbrScale = -1;

		private int startOffset;

		private int endOffset;

		private int tocOffset = -1;

		private int framesOffset = -1;

		private int bytesOffset = -1;

		private Mp3Frame frame;

		public int Frames
		{
			get
			{
				if (framesOffset == -1)
				{
					return -1;
				}
				return ReadBigEndian(frame.RawData, framesOffset);
			}
			set
			{
				if (framesOffset == -1)
				{
					throw new InvalidOperationException("Frames flag is not set");
				}
				WriteBigEndian(frame.RawData, framesOffset, value);
			}
		}

		public int Bytes
		{
			get
			{
				if (bytesOffset == -1)
				{
					return -1;
				}
				return ReadBigEndian(frame.RawData, bytesOffset);
			}
			set
			{
				if (framesOffset == -1)
				{
					throw new InvalidOperationException("Bytes flag is not set");
				}
				WriteBigEndian(frame.RawData, bytesOffset, value);
			}
		}

		public int VbrScale => vbrScale;

		public Mp3Frame Mp3Frame => frame;

		private static int ReadBigEndian(byte[] buffer, int offset)
		{
			return (((((buffer[offset] << 8) | buffer[offset + 1]) << 8) | buffer[offset + 2]) << 8) | buffer[offset + 3];
		}

		private void WriteBigEndian(byte[] buffer, int offset, int value)
		{
			byte[] bytes = BitConverter.GetBytes(value);
			for (int i = 0; i < 4; i++)
			{
				buffer[offset + 3 - i] = bytes[i];
			}
		}

		public static XingHeader LoadXingHeader(Mp3Frame frame)
		{
			XingHeader xingHeader = new XingHeader();
			xingHeader.frame = frame;
			int num = 0;
			if (frame.MpegVersion == MpegVersion.Version1)
			{
				num = ((frame.ChannelMode == ChannelMode.Mono) ? 21 : 36);
			}
			else
			{
				if (frame.MpegVersion != MpegVersion.Version2)
				{
					return null;
				}
				num = ((frame.ChannelMode == ChannelMode.Mono) ? 13 : 21);
			}
			if (frame.RawData[num] == 88 && frame.RawData[num + 1] == 105 && frame.RawData[num + 2] == 110 && frame.RawData[num + 3] == 103)
			{
				xingHeader.startOffset = num;
				num += 4;
			}
			else
			{
				if (frame.RawData[num] != 73 || frame.RawData[num + 1] != 110 || frame.RawData[num + 2] != 102 || frame.RawData[num + 3] != 111)
				{
					return null;
				}
				xingHeader.startOffset = num;
				num += 4;
			}
			int num2 = ReadBigEndian(frame.RawData, num);
			num += 4;
			if (((uint)num2 & (true ? 1u : 0u)) != 0)
			{
				xingHeader.framesOffset = num;
				num += 4;
			}
			if (((uint)num2 & 2u) != 0)
			{
				xingHeader.bytesOffset = num;
				num += 4;
			}
			if (((uint)num2 & 4u) != 0)
			{
				xingHeader.tocOffset = num;
				num += 100;
			}
			if (((uint)num2 & 8u) != 0)
			{
				xingHeader.vbrScale = ReadBigEndian(frame.RawData, num);
				num += 4;
			}
			xingHeader.endOffset = num;
			return xingHeader;
		}

		private XingHeader()
		{
		}
	}
	public static class WaveExtensionMethods
	{
		public static ISampleProvider ToSampleProvider(this IWaveProvider waveProvider)
		{
			return SampleProviderConverters.ConvertWaveProviderIntoSampleProvider(waveProvider);
		}

		public static void Init(this IWavePlayer wavePlayer, ISampleProvider sampleProvider, bool convertTo16Bit = false)
		{
			IWaveProvider waveProvider2;
			if (!convertTo16Bit)
			{
				IWaveProvider waveProvider = new SampleToWaveProvider(sampleProvider);
				waveProvider2 = waveProvider;
			}
			else
			{
				IWaveProvider waveProvider = new SampleToWaveProvider16(sampleProvider);
				waveProvider2 = waveProvider;
			}
			IWaveProvider waveProvider3 = waveProvider2;
			wavePlayer.Init(waveProvider3);
		}

		public static WaveFormat AsStandardWaveFormat(this WaveFormat waveFormat)
		{
			if (!(waveFormat is WaveFormatExtensible waveFormatExtensible))
			{
				return waveFormat;
			}
			return waveFormatExtensible.ToStandardWaveFormat();
		}

		public static IWaveProvider ToWaveProvider(this ISampleProvider sampleProvider)
		{
			return new SampleToWaveProvider(sampleProvider);
		}

		public static IWaveProvider ToWaveProvider16(this ISampleProvider sampleProvider)
		{
			return new SampleToWaveProvider16(sampleProvider);
		}

		public static ISampleProvider FollowedBy(this ISampleProvider sampleProvider, ISampleProvider next)
		{
			return new ConcatenatingSampleProvider(new ISampleProvider[2] { sampleProvider, next });
		}

		public static ISampleProvider FollowedBy(this ISampleProvider sampleProvider, TimeSpan silenceDuration, ISampleProvider next)
		{
			OffsetSampleProvider offsetSampleProvider = new OffsetSampleProvider(sampleProvider)
			{
				LeadOut = silenceDuration
			};
			return new ConcatenatingSampleProvider(new ISampleProvider[2] { offsetSampleProvider, next });
		}

		public static ISampleProvider Skip(this ISampleProvider sampleProvider, TimeSpan skipDuration)
		{
			return new OffsetSampleProvider(sampleProvider)
			{
				SkipOver = skipDuration
			};
		}

		public static ISampleProvider Take(this ISampleProvider sampleProvider, TimeSpan takeDuration)
		{
			return new OffsetSampleProvider(sampleProvider)
			{
				Take = takeDuration
			};
		}

		public static ISampleProvider ToMono(this ISampleProvider sourceProvider, float leftVol = 0.5f, float rightVol = 0.5f)
		{
			if (sourceProvider.WaveFormat.Channels == 1)
			{
				return sourceProvider;
			}
			return new StereoToMonoSampleProvider(sourceProvider)
			{
				LeftVolume = leftVol,
				RightVolume = rightVol
			};
		}

		public static ISampleProvider ToStereo(this ISampleProvider sourceProvider, float leftVol = 1f, float rightVol = 1f)
		{
			if (sourceProvider.WaveFormat.Channels == 2)
			{
				return sourceProvider;
			}
			return new MonoToStereoSampleProvider(sourceProvider)
			{
				LeftVolume = leftVol,
				RightVolume = rightVol
			};
		}
	}
	[StructLayout(LayoutKind.Sequential, Pack = 2)]
	public class AdpcmWaveFormat : WaveFormat
	{
		private short samplesPerBlock;

		private short numCoeff;

		[MarshalAs(UnmanagedType.ByValArray, SizeConst = 14)]
		private short[] coefficients;

		public int SamplesPerBlock => samplesPerBlock;

		public int NumCoefficients => numCoeff;

		public short[] Coefficients => coefficients;

		private AdpcmWaveFormat()
			: this(8000, 1)
		{
		}

		public AdpcmWaveFormat(int sampleRate, int channels)
			: base(sampleRate, 0, channels)
		{
			waveFormatTag = WaveFormatEncoding.Adpcm;
			extraSize = 32;
			switch (base.sampleRate)
			{
			case 8000:
			case 11025:
				blockAlign = 256;
				break;
			case 22050:
				blockAlign = 512;
				break;
			default:
				blockAlign = 1024;
				break;
			}
			bitsPerSample = 4;
			samplesPerBlock = (short)((blockAlign - 7 * channels) * 8 / (bitsPerSample * channels) + 2);
			averageBytesPerSecond = base.SampleRate * blockAlign / samplesPerBlock;
			numCoeff = 7;
			coefficients = new short[14]
			{
				256, 0, 512, -256, 0, 0, 192, 64, 240, 0,
				460, -208, 392, -232
			};
		}

		public override void Serialize(BinaryWriter writer)
		{
			base.Serialize(writer);
			writer.Write(samplesPerBlock);
			writer.Write(numCoeff);
			short[] array = coefficients;
			foreach (short value in array)
			{
				writer.Write(value);
			}
		}

		public override string ToString()
		{
			return $"Microsoft ADPCM {base.SampleRate} Hz {channels} channels {bitsPerSample} bits per sample {samplesPerBlock} samples per block";
		}
	}
	[StructLayout(LayoutKind.Sequential, Pack = 2)]
	public class Gsm610WaveFormat : WaveFormat
	{
		private readonly short samplesPerBlock;

		public short SamplesPerBlock => samplesPerBlock;

		public Gsm610WaveFormat()
		{
			waveFormatTag = WaveFormatEncoding.Gsm610;
			channels = 1;
			averageBytesPerSecond = 1625;
			bitsPerSample = 0;
			blockAlign = 65;
			sampleRate = 8000;
			extraSize = 2;
			samplesPerBlock = 320;
		}

		public override void Serialize(BinaryWriter writer)
		{
			base.Serialize(writer);
			writer.Write(samplesPerBlock);
		}
	}
	[StructLayout(LayoutKind.Sequential, Pack = 2)]
	public class ImaAdpcmWaveFormat : WaveFormat
	{
		private short samplesPerBlock;

		private ImaAdpcmWaveFormat()
		{
		}

		public ImaAdpcmWaveFormat(int sampleRate, int channels, int bitsPerSample)
		{
			waveFormatTag = WaveFormatEncoding.DviAdpcm;
			base.sampleRate = sampleRate;
			base.channels = (short)channels;
			base.bitsPerSample = (short)bitsPerSample;
			extraSize = 2;
			blockAlign = 0;
			averageBytesPerSecond = 0;
			samplesPerBlock = 0;
		}
	}
	[StructLayout(LayoutKind.Sequential, Pack = 2)]
	public class Mp3WaveFormat : WaveFormat
	{
		public Mp3WaveFormatId id;

		public Mp3WaveFormatFlags flags;

		public ushort blockSize;

		public ushort framesPerBlock;

		public ushort codecDelay;

		private const short Mp3WaveFormatExtraBytes = 12;

		public Mp3WaveFormat(int sampleRate, int channels, int blockSize, int bitRate)
		{
			waveFormatTag = WaveFormatEncoding.MpegLayer3;
			base.channels = (short)channels;
			averageBytesPerSecond = bitRate / 8;
			bitsPerSample = 0;
			blockAlign = 1;
			base.sampleRate = sampleRate;
			extraSize = 12;
			id = Mp3WaveFormatId.Mpeg;
			flags = Mp3WaveFormatFlags.PaddingIso;
			this.blockSize = (ushort)blockSize;
			framesPerBlock = 1;
			codecDelay = 0;
		}
	}
	[Flags]
	public enum Mp3WaveFormatFlags
	{
		PaddingIso = 0,
		PaddingOn = 1,
		PaddingOff = 2
	}
	public enum Mp3WaveFormatId : ushort
	{
		Unknown,
		Mpeg,
		ConstantFrameSize
	}
	[StructLayout(LayoutKind.Sequential, Pack = 2)]
	internal class OggWaveFormat : WaveFormat
	{
		public uint dwVorbisACMVersion;

		public uint dwLibVorbisVersion;
	}
	[StructLayout(LayoutKind.Sequential, Pack = 2)]
	public class TrueSpeechWaveFormat : WaveFormat
	{
		[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
		private short[] unknown;

		public TrueSpeechWaveFormat()
		{
			waveFormatTag = WaveFormatEncoding.DspGroupTrueSpeech;
			channels = 1;
			averageBytesPerSecond = 1067;
			bitsPerSample = 1;
			blockAlign = 32;
			sampleRate = 8000;
			extraSize = 32;
			unknown = new short[16];
			unknown[0] = 1;
			unknown[1] = 240;
		}

		public override void Serialize(BinaryWriter writer)
		{
			base.Serialize(writer);
			short[] array = unknown;
			foreach (short value in array)
			{
				writer.Write(value);
			}
		}
	}
	[StructLayout(LayoutKind.Sequential, Pack = 2)]
	public class WaveFormat
	{
		protected WaveFormatEncoding waveFormatTag;

		protected short channels;

		protected int sampleRate;

		protected int averageBytesPerSecond;

		protected short blockAlign;

		protected short bitsPerSample;

		protected short extraSize;

		public WaveFormatEncoding Encoding => waveFormatTag;

		public int Channels => channels;

		public int SampleRate => sampleRate;

		public int AverageBytesPerSecond => averageBytesPerSecond;

		public virtual int BlockAlign => blockAlign;

		public int BitsPerSample => bitsPerSample;

		public int ExtraSize => extraSize;

		public WaveFormat()
			: this(44100, 16, 2)
		{
		}

		public WaveFormat(int sampleRate, int channels)
			: this(sampleRate, 16, channels)
		{
		}

		public int ConvertLatencyToByteSize(int milliseconds)
		{
			int num = (int)((double)AverageBytesPerSecond / 1000.0 * (double)milliseconds);
			if (num % BlockAlign != 0)
			{
				num = num + BlockAlign - num % BlockAlign;
			}
			return num;
		}

		public static WaveFormat CreateCustomFormat(WaveFormatEncoding tag, int sampleRate, int channels, int averageBytesPerSecond, int blockAlign, int bitsPerSample)
		{
			return new WaveFormat
			{
				waveFormatTag = tag,
				channels = (short)channels,
				sampleRate = sampleRate,
				averageBytesPerSecond = averageBytesPerSecond,
				blockAlign = (short)blockAlign,
				bitsPerSample = (short)bitsPerSample,
				extraSize = 0
			};
		}

		public static WaveFormat CreateALawFormat(int sampleRate, int channels)
		{
			return CreateCustomFormat(WaveFormatEncoding.ALaw, sampleRate, channels, sampleRate * channels, channels, 8);
		}

		public static WaveFormat CreateMuLawFormat(int sampleRate, int channels)
		{
			return CreateCustomFormat(WaveFormatEncoding.MuLaw, sampleRate, channels, sampleRate * channels, channels, 8);
		}

		public WaveFormat(int rate, int bits, int channels)
		{
			if (channels < 1)
			{
				throw new ArgumentOutOfRangeException("channels", "Channels must be 1 or greater");
			}
			waveFormatTag = WaveFormatEncoding.Pcm;
			this.channels = (short)channels;
			sampleRate = rate;
			bitsPerSample = (short)bits;
			extraSize = 0;
			blockAlign = (short)(channels * (bits / 8));
			averageBytesPerSecond = sampleRate * blockAlign;
		}

		public static WaveFormat CreateIeeeFloatWaveFormat(int sampleRate, int channels)
		{
			WaveFormat waveFormat = new WaveFormat();
			waveFormat.waveFormatTag = WaveFormatEncoding.IeeeFloat;
			waveFormat.channels = (short)channels;
			waveFormat.bitsPerSample = 32;
			waveFormat.sampleRate = sampleRate;
			waveFormat.blockAlign = (short)(4 * channels);
			waveFormat.averageBytesPerSecond = sampleRate * waveFormat.blockAlign;
			waveFormat.extraSize = 0;
			return waveFormat;
		}

		public static WaveFormat MarshalFromPtr(IntPtr pointer)
		{
			WaveFormat waveFormat = Marshal.PtrToStructure<WaveFormat>(pointer);
			switch (waveFormat.Encoding)
			{
			case WaveFormatEncoding.Pcm:
				waveFormat.extraSize = 0;
				break;
			case WaveFormatEncoding.Extensible:
				waveFormat = Marshal.PtrToStructure<WaveFormatExtensible>(pointer);
				break;
			case WaveFormatEncoding.Adpcm:
				waveFormat = Marshal.PtrToStructure<AdpcmWaveFormat>(pointer);
				break;
			case WaveFormatEncoding.Gsm610:
				waveFormat = Marshal.PtrToStructure<Gsm610WaveFormat>(pointer);
				break;
			default:
				if (waveFormat.ExtraSize > 0)
				{
					waveFormat = Marshal.PtrToStructure<WaveFormatExtraData>(pointer);
				}
				break;
			}
			return waveFormat;
		}

		public static IntPtr MarshalToPtr(WaveFormat format)
		{
			IntPtr intPtr = Marshal.AllocHGlobal(Marshal.SizeOf(format));
			Marshal.StructureToPtr(format, intPtr, fDeleteOld: false);
			return intPtr;
		}

		public static WaveFormat FromFormatChunk(BinaryReader br, int formatChunkLength)
		{
			WaveFormatExtraData waveFormatExtraData = new WaveFormatExtraData();
			waveFormatExtraData.ReadWaveFormat(br, formatChunkLength);
			waveFormatExtraData.ReadExtraData(br);
			return waveFormatExtraData;
		}

		private void ReadWaveFormat(BinaryReader br, int formatChunkLength)
		{
			if (formatChunkLength < 16)
			{
				throw new InvalidDataException("Invalid WaveFormat Structure");
			}
			waveFormatTag = (WaveFormatEncoding)br.ReadUInt16();
			channels = br.ReadInt16();
			sampleRate = br.ReadInt32();
			averageBytesPerSecond = br.ReadInt32();
			blockAlign = br.ReadInt16();
			bitsPerSample = br.ReadInt16();
			if (formatChunkLength > 16)
			{
				extraSize = br.ReadInt16();
				if (extraSize != formatChunkLength - 18)
				{
					extraSize = (short)(formatChunkLength - 18);
				}
			}
		}

		public WaveFormat(BinaryReader br)
		{
			int formatChunkLength = br.ReadInt32();
			ReadWaveFormat(br, formatChunkLength);
		}

		public override string ToString()
		{
			switch (waveFormatTag)
			{
			case WaveFormatEncoding.Pcm:
			case WaveFormatEncoding.Extensible:
				return $"{bitsPerSample} bit PCM: {sampleRate}Hz {channels} channels";
			case WaveFormatEncoding.IeeeFloat:
				return $"{bitsPerSample} bit IEEFloat: {sampleRate}Hz {channels} channels";
			default:
				return waveFormatTag.ToString();
			}
		}

		public override bool Equals(object obj)
		{
			if (obj is WaveFormat waveFormat)
			{
				if (waveFormatTag == waveFormat.waveFormatTag && channels == waveFormat.channels && sampleRate == waveFormat.sampleRate && averageBytesPerSecond == waveFormat.averageBytesPerSecond && blockAlign == waveFormat.blockAlign)
				{
					return bitsPerSample == waveFormat.bitsPerSample;
				}
				return false;
			}
			return false;
		}

		public override int GetHashCode()
		{
			return (int)waveFormatTag ^ (int)channels ^ sampleRate ^ averageBytesPerSecond ^ blockAlign ^ bitsPerSample;
		}

		public virtual void Serialize(BinaryWriter writer)
		{
			writer.Write(18 + extraSize);
			writer.Write((short)Encoding);
			writer.Write((short)Channels);
			writer.Write(SampleRate);
			writer.Write(AverageBytesPerSecond);
			writer.Write((short)BlockAlign);
			writer.Write((short)BitsPerSample);
			writer.Write(extraSize);
		}
	}
	public sealed class WaveFormatCustomMarshaler : ICustomMarshaler
	{
		private static WaveFormatCustomMarshaler marshaler;

		public static ICustomMarshaler GetInstance(string cookie)
		{
			if (marshaler == null)
			{
				marshaler = new WaveFormatCustomMarshaler();
			}
			return marshaler;
		}

		public void CleanUpManagedData(object ManagedObj)
		{
		}

		public void CleanUpNativeData(IntPtr pNativeData)
		{
			Marshal.FreeHGlobal(pNativeData);
		}

		public int GetNativeDataSize()
		{
			throw new NotImplementedException();
		}

		public IntPtr MarshalManagedToNative(object ManagedObj)
		{
			return WaveFormat.MarshalToPtr((WaveFormat)ManagedObj);
		}

		public object MarshalNativeToManaged(IntPtr pNativeData)
		{
			return WaveFormat.MarshalFromPtr(pNativeData);
		}
	}
	public enum WaveFormatEncoding : ushort
	{
		Unknown = 0,
		Pcm = 1,
		Adpcm = 2,
		IeeeFloat = 3,
		Vselp = 4,
		IbmCvsd = 5,
		ALaw = 6,
		MuLaw = 7,
		Dts = 8,
		Drm = 9,
		WmaVoice9 = 10,
		OkiAdpcm = 16,
		DviAdpcm = 17,
		ImaAdpcm = 17,
		MediaspaceAdpcm = 18,
		SierraAdpcm = 19,
		G723Adpcm = 20,
		DigiStd = 21,
		DigiFix = 22,
		DialogicOkiAdpcm = 23,
		MediaVisionAdpcm = 24,
		CUCodec = 25,
		YamahaAdpcm = 32,
		SonarC = 33,
		DspGroupTrueSpeech = 34,
		EchoSpeechCorporation1 = 35,
		AudioFileAf36 = 36,
		Aptx = 37,
		AudioFileAf10 = 38,
		Prosody1612 = 39,
		Lrc = 40,
		DolbyAc2 = 48,
		Gsm610 = 49,
		MsnAudio = 50,
		AntexAdpcme = 51,
		ControlResVqlpc = 52,
		DigiReal = 53,
		DigiAdpcm = 54,
		ControlResCr10 = 55,
		WAVE_FORMAT_NMS_VBXADPCM = 56,
		WAVE_FORMAT_CS_IMAADPCM = 57,
		WAVE_FORMAT_ECHOSC3 = 58,
		WAVE_FORMAT_ROCKWELL_ADPCM = 59,
		WAVE_FORMAT_ROCKWELL_DIGITALK = 60,
		WAVE_FORMAT_XEBEC = 61,
		WAVE_FORMAT_G721_ADPCM = 64,
		WAVE_FORMAT_G728_CELP = 65,
		WAVE_FORMAT_MSG723 = 66,
		Mpeg = 80,
		WAVE_FORMAT_RT24 = 82,
		WAVE_FORMAT_PAC = 83,
		MpegLayer3 = 85,
		WAVE_FORMAT_LUCENT_G723 = 89,
		WAVE_FORMAT_CIRRUS = 96,
		WAVE_FORMAT_ESPCM = 97,
		WAVE_FORMAT_VOXWARE = 98,
		WAVE_FORMAT_CANOPUS_ATRAC = 99,
		WAVE_FORMAT_G726_ADPCM = 100,
		WAVE_FORMAT_G722_ADPCM = 101,
		WAVE_FORMAT_DSAT_DISPLAY = 103,
		WAVE_FORMAT_VOXWARE_BYTE_ALIGNED = 105,
		WAVE_FORMAT_VOXWARE_AC8 = 112,
		WAVE_FORMAT_VOXWARE_AC10 = 113,
		WAVE_FORMAT_VOXWARE_AC16 = 114,
		WAVE_FORMAT_VOXWARE_AC20 = 115,
		WAVE_FORMAT_VOXWARE_RT24 = 116,
		WAVE_FORMAT_VOXWARE_RT29 = 117,
		WAVE_FORMAT_VOXWARE_RT29HW = 118,
		WAVE_FORMAT_VOXWARE_VR12 = 119,
		WAVE_FORMAT_VOXWARE_VR18 = 120,
		WAVE_FORMAT_VOXWARE_TQ40 = 121,
		WAVE_FORMAT_SOFTSOUND = 128,
		WAVE_FORMAT_VOXWARE_TQ60 = 129,
		WAVE_FORMAT_MSRT24 = 130,
		WAVE_FORMAT_G729A = 131,
		WAVE_FORMAT_MVI_MVI2 = 132,
		WAVE_FORMAT_DF_G726 = 133,
		WAVE_FORMAT_DF_GSM610 = 134,
		WAVE_FORMAT_ISIAUDIO = 136,
		WAVE_FORMAT_ONLIVE = 137,
		WAVE_FORMAT_SBC24 = 145,
		WAVE_FORMAT_DOLBY_AC3_SPDIF = 146,
		WAVE_FORMAT_MEDIASONIC_G723 = 147,
		WAVE_FORMAT_PROSODY_8KBPS = 148,
		WAVE_FORMAT_ZYXEL_ADPCM = 151,
		WAVE_FORMAT_PHILIPS_LPCBB = 152,
		WAVE_FORMAT_PACKED = 153,
		WAVE_FORMAT_MALDEN_PHONYTALK = 160,
		Gsm = 161,
		G729 = 162,
		G723 = 163,
		Acelp = 164,
		RawAac = 255,
		WAVE_FORMAT_RHETOREX_ADPCM = 256,
		WAVE_FORMAT_IRAT = 257,
		WAVE_FORMAT_VIVO_G723 = 273,
		WAVE_FORMAT_VIVO_SIREN = 274,
		WAVE_FORMAT_DIGITAL_G723 = 291,
		WAVE_FORMAT_SANYO_LD_ADPCM = 293,
		WAVE_FORMAT_SIPROLAB_ACEPLNET = 304,
		WAVE_FORMAT_SIPROLAB_ACELP4800 = 305,
		WAVE_FORMAT_SIPROLAB_ACELP8V3 = 306,
		WAVE_FORMAT_SIPROLAB_G729 = 307,
		WAVE_FORMAT_SIPROLAB_G729A = 308,
		WAVE_FORMAT_SIPROLAB_KELVIN = 309,
		WAVE_FORMAT_G726ADPCM = 320,
		WAVE_FORMAT_QUALCOMM_PUREVOICE = 336,
		WAVE_FORMAT_QUALCOMM_HALFRATE = 337,
		WAVE_FORMAT_TUBGSM = 341,
		WAVE_FORMAT_MSAUDIO1 = 352,
		WindowsMediaAudio = 353,
		WindowsMediaAudioProfessional = 354,
		WindowsMediaAudioLosseless = 355,
		WindowsMediaAudioSpdif = 356,
		WAVE_FORMAT_UNISYS_NAP_ADPCM = 368,
		WAVE_FORMAT_UNISYS_NAP_ULAW = 369,
		WAVE_FORMAT_UNISYS_NAP_ALAW = 370,
		WAVE_FORMAT_UNISYS_NAP_16K = 371,
		WAVE_FORMAT_CREATIVE_ADPCM = 512,
		WAVE_FORMAT_CREATIVE_FASTSPEECH8 = 514,
		WAVE_FORMAT_CREATIVE_FASTSPEECH10 = 515,
		WAVE_FORMAT_UHER_ADPCM = 528,
		WAVE_FORMAT_QUARTERDECK = 544,
		WAVE_FORMAT_ILINK_VC = 560,
		WAVE_FORMAT_RAW_SPORT = 576,
		WAVE_FORMAT_ESST_AC3 = 577,
		WAVE_FORMAT_IPI_HSX = 592,
		WAVE_FORMAT_IPI_RPELP = 593,
		WAVE_FORMAT_CS2 = 608,
		WAVE_FORMAT_SONY_SCX = 624,
		WAVE_FORMAT_FM_TOWNS_SND = 768,
		WAVE_FORMAT_BTV_DIGITAL = 1024,
		WAVE_FORMAT_QDESIGN_MUSIC = 1104,
		WAVE_FORMAT_VME_VMPCM = 1664,
		WAVE_FORMAT_TPC = 1665,
		WAVE_FORMAT_OLIGSM = 4096,
		WAVE_FORMAT_OLIADPCM = 4097,
		WAVE_FORMAT_OLICELP = 4098,
		WAVE_FORMAT_OLISBC = 4099,
		WAVE_FORMAT_OLIOPR = 4100,
		WAVE_FORMAT_LH_CODEC = 4352,
		WAVE_FORMAT_NORRIS = 5120,
		WAVE_FORMAT_SOUNDSPACE_MUSICOMPRESS = 5376,
		MPEG_ADTS_AAC = 5632,
		MPEG_RAW_AAC = 5633,
		MPEG_LOAS = 5634,
		NOKIA_MPEG_ADTS_AAC = 5640,
		NOKIA_MPEG_RAW_AAC = 5641,
		VODAFONE_MPEG_ADTS_AAC = 5642,
		VODAFONE_MPEG_RAW_AAC = 5643,
		MPEG_HEAAC = 5648,
		WAVE_FORMAT_DVM = 8192,
		Vorbis1 = 26447,
		Vorbis2 = 26448,
		Vorbis3 = 26449,
		Vorbis1P = 26479,
		Vorbis2P = 26480,
		Vorbis3P = 26481,
		Extensible = 65534,
		WAVE_FORMAT_DEVELOPMENT = ushort.MaxValue
	}
	[StructLayout(LayoutKind.Sequential, Pack = 2)]
	public class WaveFormatExtensible : WaveFormat
	{
		private short wValidBitsPerSample;

		private int dwChannelMask;

		private Guid subFormat;

		public Guid SubFormat => subFormat;

		private WaveFormatExtensible()
		{
		}

		public WaveFormatExtensible(int rate, int bits, int channels)
			: base(rate, bits, channels)
		{
			waveFormatTag = WaveFormatEncoding.Extensible;
			extraSize = 22;
			wValidBitsPerSample = (short)bits;
			for (int i = 0; i < channels; i++)
			{
				dwChannelMask |= 1 << i;
			}
			if (bits == 32)
			{
				subFormat = AudioMediaSubtypes.MEDIASUBTYPE_IEEE_FLOAT;
			}
			else
			{
				subFormat = AudioMediaSubtypes.MEDIASUBTYPE_PCM;
			}
		}

		public WaveFormat ToStandardWaveFormat()
		{
			if (subFormat == AudioMediaSubtypes.MEDIASUBTYPE_IEEE_FLOAT && bitsPerSample == 32)
			{
				return WaveFormat.CreateIeeeFloatWaveFormat(sampleRate, channels);
			}
			if (subFormat == AudioMediaSubtypes.MEDIASUBTYPE_PCM)
			{
				return new WaveFormat(sampleRate, bitsPerSample, channels);
			}
			return this;
		}

		public override void Serialize(BinaryWriter writer)
		{
			base.Serialize(writer);
			writer.Write(wValidBitsPerSample);
			writer.Write(dwChannelMask);
			byte[] array = subFormat.ToByteArray();
			writer.Write(array, 0, array.Length);
		}

		public override string ToString()
		{
			return "WAVE_FORMAT_EXTENSIBLE " + AudioMediaSubtypes.GetAudioSubtypeName(subFormat) + " " + $"{base.SampleRate}Hz {base.Channels} channels {base.BitsPerSample} bit";
		}
	}
	[StructLayout(LayoutKind.Sequential, Pack = 2)]
	public class WaveFormatExtraData : WaveFormat
	{
		[MarshalAs(UnmanagedType.ByValArray, SizeConst = 100)]
		private byte[] extraData = new byte[100];

		public byte[] ExtraData => extraData;

		internal WaveFormatExtraData()
		{
		}

		public WaveFormatExtraData(BinaryReader reader)
			: base(reader)
		{
			ReadExtraData(reader);
		}

		internal void ReadExtraData(BinaryReader reader)
		{
			if (extraSize > 0)
			{
				reader.Read(extraData, 0, extraSize);
			}
		}

		public override void Serialize(BinaryWriter writer)
		{
			base.Serialize(writer);
			if (extraSize > 0)
			{
				writer.Write(extraData, 0, extraSize);
			}
		}
	}
	public interface IWaveIn : IDisposable
	{
		WaveFormat WaveFormat { get; set; }

		event EventHandler<WaveInEventArgs> DataAvailable;

		event EventHandler<StoppedEventArgs> RecordingStopped;

		void StartRecording();

		void StopRecording();
	}
	public class WaveInEventArgs : EventArgs
	{
		private byte[] buffer;

		private int bytes;

		public byte[] Buffer => buffer;

		public int BytesRecorded => bytes;

		public WaveInEventArgs(byte[] buffer, int bytes)
		{
			this.buffer = buffer;
			this.bytes = bytes;
		}
	}
	public class AiffFileWriter : Stream
	{
		private Stream outStream;

		private BinaryWriter writer;

		private long dataSizePos;

		private long commSampleCountPos;

		private long dataChunkSize = 8L;

		private WaveFormat format;

		private string filename;

		private byte[] value24 = new byte[3];

		public string Filename => filename;

		public override long Length => dataChunkSize;

		public WaveFormat WaveFormat => format;

		public override bool CanRead => false;

		public override bool CanWrite => true;

		public override bool CanSeek => false;

		public override long Position
		{
			get
			{
				return dataChunkSize;
			}
			set
			{
				throw new InvalidOperationException("Repositioning an AiffFileWriter is not supported");
			}
		}

		public static void CreateAiffFile(string filename, WaveStream sourceProvider)
		{
			using AiffFileWriter aiffFileWriter = new AiffFileWriter(filename, sourceProvider.WaveFormat);
			byte[] array = new byte[16384];
			while (sourceProvider.Position < sourceProvider.Length)
			{
				int count = Math.Min((int)(sourceProvider.Length - sourceProvider.Position), array.Length);
				int num = sourceProvider.Read(array, 0, count);
				if (num == 0)
				{
					break;
				}
				aiffFileWriter.Write(array, 0, num);
			}
		}

		public AiffFileWriter(Stream outStream, WaveFormat format)
		{
			this.outStream = outStream;
			this.format = format;
			writer = new BinaryWriter(outStream, Encoding.UTF8);
			writer.Write(Encoding.UTF8.GetBytes("FORM"));
			writer.Write(0);
			writer.Write(Encoding.UTF8.GetBytes("AIFF"));
			CreateCommChunk();
			WriteSsndChunkHeader();
		}

		public AiffFileWriter(string filename, WaveFormat format)
			: this(new FileStream(filename, FileMode.Create, FileAccess.Write, FileShare.Read), format)
		{
			this.filename = filename;
		}

		private void WriteSsndChunkHeader()
		{
			writer.Write(Encoding.UTF8.GetBytes("SSND"));
			dataSizePos = outStream.Position;
			writer.Write(0);
			writer.Write(0);
			writer.Write(SwapEndian(format.BlockAlign));
		}

		private byte[] SwapEndian(short n)
		{
			return new byte[2]
			{
				(byte)(n >> 8),
				(byte)((uint)n & 0xFFu)
			};
		}

		private byte[] SwapEndian(int n)
		{
			return new byte[4]
			{
				(byte)((uint)(n >> 24) & 0xFFu),
				(byte)((uint)(n >> 16) & 0xFFu),
				(byte)((uint)(n >> 8) & 0xFFu),
				(byte)((uint)n & 0xFFu)
			};
		}

		private void CreateCommChunk()
		{
			writer.Write(Encoding.UTF8.GetBytes("COMM"));
			writer.Write(SwapEndian(18));
			writer.Write(SwapEndian((short)format.Channels));
			commSampleCountPos = outStream.Position;
			writer.Write(0);
			writer.Write(SwapEndian((short)format.BitsPerSample));
			writer.Write(IEEE.ConvertToIeeeExtended(format.SampleRate));
		}

		public override int Read(byte[] buffer, int offset, int count)
		{
			throw new InvalidOperationException("Cannot read from an AiffFileWriter");
		}

		public override long Seek(long offset, SeekOrigin origin)
		{
			throw new InvalidOperationException("Cannot seek within an AiffFileWriter");
		}

		public override void SetLength(long value)
		{
			throw new InvalidOperationException("Cannot set length of an AiffFileWriter");
		}

		public override void Write(byte[] data, int offset, int count)
		{
			byte[] array = new byte[data.Length];
			int num = format.BitsPerSample / 8;
			for (int i = 0; i < data.Length; i++)
			{
				int num2 = (int)Math.Floor((double)i / (double)num) * num + (num - i % num - 1);
				array[i] = data[num2];
			}
			outStream.Write(array, offset, count);
			dataChunkSize += count;
		}

		public void WriteSample(float sample)
		{
			if (WaveFormat.BitsPerSample == 16)
			{
				writer.Write(SwapEndian((short)(32767f * sample)));
				dataChunkSize += 2L;
			}
			else if (WaveFormat.BitsPerSample == 24)
			{
				byte[] bytes = BitConverter.GetBytes((int)(2.1474836E+09f * sample));
				value24[2] = bytes[1];
				value24[1] = bytes[2];
				value24[0] = bytes[3];
				writer.Write(value24);
				dataChunkSize += 3L;
			}
			else
			{
				if (WaveFormat.BitsPerSample != 32 || WaveFormat.Encoding != WaveFormatEncoding.Extensible)
				{
					throw new InvalidOperationException("Only 16, 24 or 32 bit PCM or IEEE float audio data supported");
				}
				writer.Write(SwapEndian(65535 * (int)sample));
				dataChunkSize += 4L;
			}
		}

		public void WriteSamples(float[] samples, int offset, int count)
		{
			for (int i = 0; i < count; i++)
			{
				WriteSample(samples[offset + i]);
			}
		}

		public void WriteSamples(short[] samples, int offset, int count)
		{
			if (WaveFormat.BitsPerSample == 16)
			{
				for (int i = 0; i < count; i++)
				{
					writer.Write(SwapEndian(samples[i + offset]));
				}
				dataChunkSize += count * 2;
			}
			else if (WaveFormat.BitsPerSample == 24)
			{
				for (int j = 0; j < count; j++)
				{
					byte[] bytes = BitConverter.GetBytes(65535 * samples[j + offset]);
					value24[2] = bytes[1];
					value24[1] = bytes[2];
					value24[0] = bytes[3];
					writer.Write(value24);
				}
				dataChunkSize += count * 3;
			}
			else
			{
				if (WaveFormat.BitsPerSample != 32 || WaveFormat.Encoding != WaveFormatEncoding.Extensible)
				{
					throw new InvalidOperationException("Only 16, 24 or 32 bit PCM audio data supported");
				}
				for (int k = 0; k < count; k++)
				{
					writer.Write(SwapEndian(65535 * samples[k + offset]));
				}
				dataChunkSize += count * 4;
			}
		}

		public override void Flush()
		{
			writer.Flush();
		}

		protected override void Dispose(bool disposing)
		{
			if (disposing && outStream != null)
			{
				try
				{
					UpdateHeader(writer);
				}
				finally
				{
					outStream.Dispose();
					outStream = null;
				}
			}
		}

		protected virtual void UpdateHeader(BinaryWriter writer)
		{
			Flush();
			writer.Seek(4, SeekOrigin.Begin);
			writer.Write(SwapEndian((int)(outStream.Length - 8)));
			UpdateCommChunk(writer);
			UpdateSsndChunk(writer);
		}

		private void UpdateCommChunk(BinaryWriter writer)
		{
			writer.Seek((int)commSampleCountPos, SeekOrigin.Begin);
			writer.Write(SwapEndian((int)(dataChunkSize * 8 / format.BitsPerSample / format.Channels)));
		}

		private void UpdateSsndChunk(BinaryWriter writer)
		{
			writer.Seek((int)dataSizePos, SeekOrigin.Begin);
			writer.Write(SwapEndian((int)dataChunkSize));
		}

		~AiffFileWriter()
		{
			Dispose(disposing: false);
		}
	}
	public class BextChunkInfo
	{
		public string Description { get; set; }

		public string Originator { get; set; }

		public string OriginatorReference { get; set; }

		public DateTime OriginationDateTime { get; set; }

		public string OriginationDate => OriginationDateTime.ToString("yyyy-MM-dd");

		public string OriginationTime => OriginationDateTime.ToString("HH:mm:ss");

		public long TimeReference { get; set; }

		public ushort Version => 1;

		public string UniqueMaterialIdentifier { get; set; }

		public byte[] Reserved { get; }

		public string CodingHistory { get; set; }

		public BextChunkInfo()
		{
			Reserved = new byte[190];
		}
	}
	public class BwfWriter : IDisposable
	{
		private readonly WaveFormat format;

		private readonly BinaryWriter writer;

		private readonly long dataChunkSizePosition;

		private long dataLength;

		private bool isDisposed;

		public BwfWriter(string filename, WaveFormat format, BextChunkInfo bextChunkInfo)
		{
			this.format = format;
			writer = new BinaryWriter(File.OpenWrite(filename));
			writer.Write(Encoding.UTF8.GetBytes("RIFF"));
			writer.Write(0);
			writer.Write(Encoding.UTF8.GetBytes("WAVE"));
			writer.Write(Encoding.UTF8.GetBytes("JUNK"));
			writer.Write(28);
			writer.Write(0L);
			writer.Write(0L);
			writer.Write(0L);
			writer.Write(0);
			writer.Write(Encoding.UTF8.GetBytes("bext"));
			byte[] bytes = Encoding.ASCII.GetBytes(bextChunkInfo.CodingHistory ?? "");
			int num = 602 + bytes.Length;
			if (num % 2 != 0)
			{
				num++;
			}
			writer.Write(num);
			_ = writer.BaseStream.Position;
			writer.Write(GetAsBytes(bextChunkInfo.Description, 256));
			writer.Write(GetAsBytes(bextChunkInfo.Originator, 32));
			writer.Write(GetAsBytes(bextChunkInfo.OriginatorReference, 32));
			writer.Write(GetAsBytes(bextChunkInfo.OriginationDate, 10));
			writer.Write(GetAsBytes(bextChunkInfo.OriginationTime, 8));
			writer.Write(bextChunkInfo.TimeReference);
			writer.Write(bextChunkInfo.Version);
			writer.Write(GetAsBytes(bextChunkInfo.UniqueMaterialIdentifier, 64));
			writer.Write(bextChunkInfo.Reserved);
			writer.Write(bytes);
			if (bytes.Length % 2 != 0)
			{
				writer.Write((byte)0);
			}
			writer.Write(Encoding.UTF8.GetBytes("fmt "));
			format.Serialize(writer);
			writer.Write(Encoding.UTF8.GetBytes("data"));
			dataChunkSizePosition = writer.BaseStream.Position;
			writer.Write(-1);
		}

		public void Write(byte[] buffer, int offset, int count)
		{
			if (isDisposed)
			{
				throw new ObjectDisposedException("This BWF Writer already disposed");
			}
			writer.Write(buffer, offset, count);
			dataLength += count;
		}

		public void Flush()
		{
			if (isDisposed)
			{
				throw new ObjectDisposedException("This BWF Writer already disposed");
			}
			writer.Flush();
			FixUpChunkSizes(restorePosition: true);
		}

		private void FixUpChunkSizes(bool restorePosition)
		{
			long position = writer.BaseStream.Position;
			bool num = dataLength > int.MaxValue;
			long num2 = writer.BaseStream.Length - 8;
			if (num)
			{
				int num3 = format.BitsPerSample / 8 * format.Channels;
				writer.BaseStream.Position = 0L;
				writer.Write(Encoding.UTF8.GetBytes("RF64"));
				writer.Write(-1);
				writer.BaseStream.Position += 4L;
				writer.Write(Encoding.UTF8.GetBytes("ds64"));
				writer.BaseStream.Position += 4L;
				writer.Write(num2);
				writer.Write(dataLength);
				writer.Write(dataLength / num3);
			}
			else
			{
				writer.BaseStream.Position = 4L;
				writer.Write((uint)num2);
				writer.BaseStream.Position = dataChunkSizePosition;
				writer.Write((uint)dataLength);
			}
			if (restorePosition)
			{
				writer.BaseStream.Position = position;
			}
		}

		public void Dispose()
		{
			if (!isDisposed)
			{
				FixUpChunkSizes(restorePosition: false);
				writer.Dispose();
				isDisposed = true;
			}
		}

		private static byte[] GetAsBytes(string message, int byteSize)
		{
			byte[] array = new byte[byteSize];
			byte[] bytes = Encoding.ASCII.GetBytes(message ?? "");
			Array.Copy(bytes, array, Math.Min(bytes.Length, byteSize));
			return array;
		}
	}
	public class CueWaveFileWriter : WaveFileWriter
	{
		private CueList cues;

		public CueWaveFileWriter(string fileName, WaveFormat waveFormat)
			: base(fileName, waveFormat)
		{
		}

		public void AddCue(int position, string label)
		{
			if (cues == null)
			{
				cues = new CueList();
			}
			cues.Add(new Cue(position, label));
		}

		private void WriteCues(BinaryWriter w)
		{
			if (cues != null)
			{
				int count = cues.GetRiffChunks().Length;
				w.Seek(0, SeekOrigin.End);
				if (w.BaseStream.Length % 2 == 1)
				{
					w.Write((byte)0);
				}
				w.Write(cues.GetRiffChunks(), 0, count);
				w.Seek(4, SeekOrigin.Begin);
				w.Write((int)(w.BaseStream.Length - 8));
			}
		}

		protected override void UpdateHeader(BinaryWriter writer)
		{
			base.UpdateHeader(writer);
			WriteCues(writer);
		}
	}
	public class DirectSoundOut : IWavePlayer, IDisposable
	{
		[StructLayout(LayoutKind.Sequential, Pack = 2)]
		internal class BufferDescription
		{
			public int dwSize;

			[MarshalAs(UnmanagedType.U4)]
			public DirectSoundBufferCaps dwFlags;

			public uint dwBufferBytes;

			public int dwReserved;

			public IntPtr lpwfxFormat;

			public Guid guidAlgo;
		}

		[StructLayout(LayoutKind.Sequential, Pack = 2)]
		internal class BufferCaps
		{
			public int dwSize;

			public int dwFlags;

			public int dwBufferBytes;

			public int dwUnlockTransferRate;

			public int dwPlayCpuOverhead;
		}

		internal enum DirectSoundCooperativeLevel : uint
		{
			DSSCL_NORMAL = 1u,
			DSSCL_PRIORITY,
			DSSCL_EXCLUSIVE,
			DSSCL_WRITEPRIMARY
		}

		[Flags]
		internal enum DirectSoundPlayFlags : uint
		{
			DSBPLAY_LOOPING = 1u,
			DSBPLAY_LOCHARDWARE = 2u,
			DSBPLAY_LOCSOFTWARE = 4u,
			DSBPLAY_TERMINATEBY_TIME = 8u,
			DSBPLAY_TERMINATEBY_DISTANCE = 0x10u,
			DSBPLAY_TERMINATEBY_PRIORITY = 0x20u
		}

		internal enum DirectSoundBufferLockFlag : uint
		{
			None,
			FromWriteCursor,
			EntireBuffer
		}

		[Flags]
		internal enum DirectSoundBufferStatus : uint
		{
			DSBSTATUS_PLAYING = 1u,
			DSBSTATUS_BUFFERLOST = 2u,
			DSBSTATUS_LOOPING = 4u,
			DSBSTATUS_LOCHARDWARE = 8u,
			DSBSTATUS_LOCSOFTWARE = 0x10u,
			DSBSTATUS_TERMINATED = 0x20u
		}

		[Flags]
		internal enum DirectSoundBufferCaps : uint
		{
			DSBCAPS_PRIMARYBUFFER = 1u,
			DSBCAPS_STATIC = 2u,
			DSBCAPS_LOCHARDWARE = 4u,
			DSBCAPS_LOCSOFTWARE = 8u,
			DSBCAPS_CTRL3D = 0x10u,
			DSBCAPS_CTRLFREQUENCY = 0x20u,
			DSBCAPS_CTRLPAN = 0x40u,
			DSBCAPS_CTRLVOLUME = 0x80u,
			DSBCAPS_CTRLPOSITIONNOTIFY = 0x100u,
			DSBCAPS_CTRLFX = 0x200u,
			DSBCAPS_STICKYFOCUS = 0x4000u,
			DSBCAPS_GLOBALFOCUS = 0x8000u,
			DSBCAPS_GETCURRENTPOSITION2 = 0x10000u,
			DSBCAPS_MUTE3DATMAXDISTANCE = 0x20000u,
			DSBCAPS_LOCDEFER = 0x40000u
		}

		internal struct DirectSoundBufferPositionNotify
		{
			public uint dwOffset;

			public IntPtr hEventNotify;
		}

		[ComImport]
		[Guid("279AFA83-4981-11CE-A521-0020AF0BE560")]
		[SuppressUnmanagedCodeSecurity]
		[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
		internal interface IDirectSound
		{
			void CreateSoundBuffer([In] BufferDescription desc, [MarshalAs(UnmanagedType.Interface)] out object dsDSoundBuffer, IntPtr pUnkOuter);

			void GetCaps(IntPtr caps);

			void DuplicateSoundBuffer([In][MarshalAs(UnmanagedType.Interface)] IDirectSoundBuffer bufferOriginal, [In][MarshalAs(UnmanagedType.Interface)] IDirectSoundBuffer bufferDuplicate);

			void SetCooperativeLevel(IntPtr HWND, [In][MarshalAs(UnmanagedType.U4)] DirectSoundCooperativeLevel dwLevel);

			void Compact();

			void GetSpeakerConfig(IntPtr pdwSpeakerConfig);

			void SetSpeakerConfig(uint pdwSpeakerConfig);

			void Initialize([In][MarshalAs(UnmanagedType.LPStruct)] Guid guid);
		}

		[ComImport]
		[Guid("279AFA85-4981-11CE-A521-0020AF0BE560")]
		[SuppressUnmanagedCodeSecurity]
		[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
		internal interface IDirectSoundBuffer
		{
			void GetCaps([MarshalAs(UnmanagedType.LPStruct)] BufferCaps pBufferCaps);

			void GetCurrentPosition(out uint currentPlayCursor, out uint currentWriteCursor);

			void GetFormat();

			[return: MarshalAs(UnmanagedType.I4)]
			int GetVolume();

			void GetPan(out uint pan);

			[return: MarshalAs(UnmanagedType.I4)]
			int GetFrequency();

			[return: MarshalAs(UnmanagedType.U4)]
			DirectSoundBufferStatus GetStatus();

			void Initialize([In][MarshalAs(UnmanagedType.Interface)] IDirectSound directSound, [In] BufferDescription desc);

			void Lock(int dwOffset, uint dwBytes, out IntPtr audioPtr1, out int audioBytes1, out IntPtr audioPtr2, out int audioBytes2, [MarshalAs(UnmanagedType.U4)] DirectSoundBufferLockFlag dwFlags);

			void Play(uint dwReserved1, uint dwPriority, [In][MarshalAs(UnmanagedType.U4)] DirectSoundPlayFlags dwFlags);

			void SetCurrentPosition(uint dwNewPosition);

			void SetFormat([In] WaveFormat pcfxFormat);

			void SetVolume(int volume);

			void SetPan(uint pan);

			void SetFrequency(uint frequency);

			void Stop();

			void Unlock(IntPtr pvAudioPtr1, int dwAudioBytes1, IntPtr pvAudioPtr2, int dwAudioBytes2);

			void Restore();
		}

		[ComImport]
		[Guid("b0210783-89cd-11d0-af08-00a0c925cd16")]
		[SuppressUnmanagedCodeSecurity]
		[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
		internal interface IDirectSoundNotify
		{
			void SetNotificationPositions(uint dwPositionNotifies, [In][MarshalAs(UnmanagedType.LPArray)] DirectSoundBufferPositionNotify[] pcPositionNotifies);
		}

		private delegate bool DSEnumCallback(IntPtr lpGuid, IntPtr lpcstrDescription, IntPtr lpcstrModule, IntPtr lpContext);

		private PlaybackState playbackState;

		private WaveFormat waveFormat;

		private int samplesTotalSize;

		private int samplesFrameSize;

		private int nextSamplesWriteIndex;

		private int desiredLatency;

		private Guid device;

		private byte[] samples;

		private IWaveProvider waveStream;

		private IDirectSound directSound;

		private IDirectSoundBuffer primarySoundBuffer;

		private IDirectSoundBuffer sec

plugins/NAudio.WinMM.dll

Decompiled a day ago
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
using System.Threading;
using Microsoft.Win32;
using NAudio.CoreAudioApi;
using NAudio.Mixer;
using NAudio.Utils;
using NAudio.Wave.Compression;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: TargetFramework(".NETStandard,Version=v2.0", FrameworkDisplayName = ".NET Standard 2.0")]
[assembly: AssemblyCompany("NAudio.WinMM")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyCopyright("© Mark Heath 2023")]
[assembly: AssemblyFileVersion("2.2.1.0")]
[assembly: AssemblyInformationalVersion("2.2.1")]
[assembly: AssemblyProduct("NAudio.WinMM")]
[assembly: AssemblyTitle("NAudio.WinMM")]
[assembly: AssemblyMetadata("RepositoryUrl", "https://github.com/naudio/NAudio")]
[assembly: AssemblyVersion("2.2.1.0")]
namespace NAudio.Mixer
{
	public class BooleanMixerControl : MixerControl
	{
		private MixerInterop.MIXERCONTROLDETAILS_BOOLEAN boolDetails;

		public bool Value
		{
			get
			{
				GetControlDetails();
				return boolDetails.fValue == 1;
			}
			set
			{
				//IL_0055: Unknown result type (might be due to invalid IL or missing references)
				boolDetails.fValue = (value ? 1 : 0);
				mixerControlDetails.paDetails = Marshal.AllocHGlobal(Marshal.SizeOf(boolDetails));
				Marshal.StructureToPtr(boolDetails, mixerControlDetails.paDetails, fDeleteOld: false);
				MmException.Try(MixerInterop.mixerSetControlDetails(mixerHandle, ref mixerControlDetails, MixerFlags.Mixer | mixerHandleType), "mixerSetControlDetails");
				Marshal.FreeHGlobal(mixerControlDetails.paDetails);
			}
		}

		internal BooleanMixerControl(MixerInterop.MIXERCONTROL mixerControl, IntPtr mixerHandle, MixerFlags mixerHandleType, int nChannels)
		{
			base.mixerControl = mixerControl;
			base.mixerHandle = mixerHandle;
			base.mixerHandleType = mixerHandleType;
			base.nChannels = nChannels;
			mixerControlDetails = default(MixerInterop.MIXERCONTROLDETAILS);
			GetControlDetails();
		}

		protected override void GetDetails(IntPtr pDetails)
		{
			boolDetails = Marshal.PtrToStructure<MixerInterop.MIXERCONTROLDETAILS_BOOLEAN>(pDetails);
		}
	}
	public class CustomMixerControl : MixerControl
	{
		internal CustomMixerControl(MixerInterop.MIXERCONTROL mixerControl, IntPtr mixerHandle, MixerFlags mixerHandleType, int nChannels)
		{
			base.mixerControl = mixerControl;
			base.mixerHandle = mixerHandle;
			base.mixerHandleType = mixerHandleType;
			base.nChannels = nChannels;
			mixerControlDetails = default(MixerInterop.MIXERCONTROLDETAILS);
			GetControlDetails();
		}

		protected override void GetDetails(IntPtr pDetails)
		{
		}
	}
	public class ListTextMixerControl : MixerControl
	{
		internal ListTextMixerControl(MixerInterop.MIXERCONTROL mixerControl, IntPtr mixerHandle, MixerFlags mixerHandleType, int nChannels)
		{
			base.mixerControl = mixerControl;
			base.mixerHandle = mixerHandle;
			base.mixerHandleType = mixerHandleType;
			base.nChannels = nChannels;
			mixerControlDetails = default(MixerInterop.MIXERCONTROLDETAILS);
			GetControlDetails();
		}

		protected override void GetDetails(IntPtr pDetails)
		{
		}
	}
	public class Mixer
	{
		private MixerInterop.MIXERCAPS caps;

		private IntPtr mixerHandle;

		private MixerFlags mixerHandleType;

		public static int NumberOfDevices => MixerInterop.mixerGetNumDevs();

		public int DestinationCount => (int)caps.cDestinations;

		public string Name => caps.szPname;

		public Manufacturers Manufacturer => (Manufacturers)caps.wMid;

		public int ProductID => caps.wPid;

		public IEnumerable<MixerLine> Destinations
		{
			get
			{
				for (int destination = 0; destination < DestinationCount; destination++)
				{
					yield return GetDestination(destination);
				}
			}
		}

		public static IEnumerable<Mixer> Mixers
		{
			get
			{
				for (int device = 0; device < NumberOfDevices; device++)
				{
					yield return new Mixer(device);
				}
			}
		}

		public Mixer(int mixerIndex)
		{
			//IL_0040: Unknown result type (might be due to invalid IL or missing references)
			if (mixerIndex < 0 || mixerIndex >= NumberOfDevices)
			{
				throw new ArgumentOutOfRangeException("mixerID");
			}
			caps = default(MixerInterop.MIXERCAPS);
			MmException.Try(MixerInterop.mixerGetDevCaps((IntPtr)mixerIndex, ref caps, Marshal.SizeOf(caps)), "mixerGetDevCaps");
			mixerHandle = (IntPtr)mixerIndex;
			mixerHandleType = MixerFlags.Mixer;
		}

		public MixerLine GetDestination(int destinationIndex)
		{
			if (destinationIndex < 0 || destinationIndex >= DestinationCount)
			{
				throw new ArgumentOutOfRangeException("destinationIndex");
			}
			return new MixerLine(mixerHandle, destinationIndex, mixerHandleType);
		}
	}
	public abstract class MixerControl
	{
		internal MixerInterop.MIXERCONTROL mixerControl;

		internal MixerInterop.MIXERCONTROLDETAILS mixerControlDetails;

		protected IntPtr mixerHandle;

		protected int nChannels;

		protected MixerFlags mixerHandleType;

		public string Name => mixerControl.szName;

		public MixerControlType ControlType => mixerControl.dwControlType;

		public bool IsBoolean => IsControlBoolean(mixerControl.dwControlType);

		public bool IsListText => IsControlListText(mixerControl.dwControlType);

		public bool IsSigned => IsControlSigned(mixerControl.dwControlType);

		public bool IsUnsigned => IsControlUnsigned(mixerControl.dwControlType);

		public bool IsCustom => IsControlCustom(mixerControl.dwControlType);

		public static IList<MixerControl> GetMixerControls(IntPtr mixerHandle, MixerLine mixerLine, MixerFlags mixerHandleType)
		{
			//IL_006f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0074: Unknown result type (might be due to invalid IL or missing references)
			//IL_0076: Unknown result type (might be due to invalid IL or missing references)
			//IL_007a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0081: Unknown result type (might be due to invalid IL or missing references)
			List<MixerControl> list = new List<MixerControl>();
			if (mixerLine.ControlsCount > 0)
			{
				int num = Marshal.SizeOf<MixerInterop.MIXERCONTROL>();
				MixerInterop.MIXERLINECONTROLS mixerLineControls = default(MixerInterop.MIXERLINECONTROLS);
				IntPtr intPtr = Marshal.AllocHGlobal(num * mixerLine.ControlsCount);
				mixerLineControls.cbStruct = Marshal.SizeOf(mixerLineControls);
				mixerLineControls.dwLineID = mixerLine.LineId;
				mixerLineControls.cControls = mixerLine.ControlsCount;
				mixerLineControls.pamxctrl = intPtr;
				mixerLineControls.cbmxctrl = Marshal.SizeOf<MixerInterop.MIXERCONTROL>();
				try
				{
					MmResult val = MixerInterop.mixerGetLineControls(mixerHandle, ref mixerLineControls, MixerFlags.Mixer | mixerHandleType);
					if ((int)val != 0)
					{
						throw new MmException(val, "mixerGetLineControls");
					}
					for (int i = 0; i < mixerLineControls.cControls; i++)
					{
						MixerInterop.MIXERCONTROL mIXERCONTROL = Marshal.PtrToStructure<MixerInterop.MIXERCONTROL>((IntPtr)(intPtr.ToInt64() + num * i));
						MixerControl item = GetMixerControl(mixerHandle, mixerLine.LineId, mIXERCONTROL.dwControlID, mixerLine.Channels, mixerHandleType);
						list.Add(item);
					}
				}
				finally
				{
					Marshal.FreeHGlobal(intPtr);
				}
			}
			return list;
		}

		public static MixerControl GetMixerControl(IntPtr mixerHandle, int nLineId, int controlId, int nChannels, MixerFlags mixerFlags)
		{
			//IL_005d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0062: Unknown result type (might be due to invalid IL or missing references)
			//IL_0063: Unknown result type (might be due to invalid IL or missing references)
			//IL_006c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0072: Unknown result type (might be due to invalid IL or missing references)
			MixerInterop.MIXERLINECONTROLS mixerLineControls = default(MixerInterop.MIXERLINECONTROLS);
			MixerInterop.MIXERCONTROL structure = default(MixerInterop.MIXERCONTROL);
			IntPtr intPtr = Marshal.AllocCoTaskMem(Marshal.SizeOf(structure));
			mixerLineControls.cbStruct = Marshal.SizeOf(mixerLineControls);
			mixerLineControls.cControls = 1;
			mixerLineControls.dwControlID = controlId;
			mixerLineControls.cbmxctrl = Marshal.SizeOf(structure);
			mixerLineControls.pamxctrl = intPtr;
			mixerLineControls.dwLineID = nLineId;
			MmResult val = MixerInterop.mixerGetLineControls(mixerHandle, ref mixerLineControls, MixerFlags.ListText | mixerFlags);
			if ((int)val != 0)
			{
				Marshal.FreeCoTaskMem(intPtr);
				throw new MmException(val, "mixerGetLineControls");
			}
			structure = Marshal.PtrToStructure<MixerInterop.MIXERCONTROL>(mixerLineControls.pamxctrl);
			Marshal.FreeCoTaskMem(intPtr);
			if (IsControlBoolean(structure.dwControlType))
			{
				return new BooleanMixerControl(structure, mixerHandle, mixerFlags, nChannels);
			}
			if (IsControlSigned(structure.dwControlType))
			{
				return new SignedMixerControl(structure, mixerHandle, mixerFlags, nChannels);
			}
			if (IsControlUnsigned(structure.dwControlType))
			{
				return new UnsignedMixerControl(structure, mixerHandle, mixerFlags, nChannels);
			}
			if (IsControlListText(structure.dwControlType))
			{
				return new ListTextMixerControl(structure, mixerHandle, mixerFlags, nChannels);
			}
			if (IsControlCustom(structure.dwControlType))
			{
				return new CustomMixerControl(structure, mixerHandle, mixerFlags, nChannels);
			}
			throw new InvalidOperationException($"Unknown mixer control type {structure.dwControlType}");
		}

		protected void GetControlDetails()
		{
			//IL_01a6: Unknown result type (might be due to invalid IL or missing references)
			//IL_01ab: Unknown result type (might be due to invalid IL or missing references)
			//IL_01ac: Unknown result type (might be due to invalid IL or missing references)
			//IL_01c6: Unknown result type (might be due to invalid IL or missing references)
			//IL_01c9: Unknown result type (might be due to invalid IL or missing references)
			//IL_01cf: Unknown result type (might be due to invalid IL or missing references)
			mixerControlDetails.cbStruct = Marshal.SizeOf(mixerControlDetails);
			mixerControlDetails.dwControlID = mixerControl.dwControlID;
			if (IsCustom)
			{
				mixerControlDetails.cChannels = 0;
			}
			else if ((mixerControl.fdwControl & (true ? 1u : 0u)) != 0)
			{
				mixerControlDetails.cChannels = 1;
			}
			else
			{
				mixerControlDetails.cChannels = nChannels;
			}
			if ((mixerControl.fdwControl & 2u) != 0)
			{
				mixerControlDetails.hwndOwner = (IntPtr)mixerControl.cMultipleItems;
			}
			else if (IsCustom)
			{
				mixerControlDetails.hwndOwner = IntPtr.Zero;
			}
			else
			{
				mixerControlDetails.hwndOwner = IntPtr.Zero;
			}
			if (IsBoolean)
			{
				mixerControlDetails.cbDetails = Marshal.SizeOf<MixerInterop.MIXERCONTROLDETAILS_BOOLEAN>();
			}
			else if (IsListText)
			{
				mixerControlDetails.cbDetails = Marshal.SizeOf<MixerInterop.MIXERCONTROLDETAILS_LISTTEXT>();
			}
			else if (IsSigned)
			{
				mixerControlDetails.cbDetails = Marshal.SizeOf<MixerInterop.MIXERCONTROLDETAILS_SIGNED>();
			}
			else if (IsUnsigned)
			{
				mixerControlDetails.cbDetails = Marshal.SizeOf<MixerInterop.MIXERCONTROLDETAILS_UNSIGNED>();
			}
			else
			{
				mixerControlDetails.cbDetails = mixerControl.Metrics.customData;
			}
			int num = mixerControlDetails.cbDetails * mixerControlDetails.cChannels;
			if ((mixerControl.fdwControl & 2u) != 0)
			{
				num *= (int)mixerControl.cMultipleItems;
			}
			IntPtr intPtr = Marshal.AllocCoTaskMem(num);
			mixerControlDetails.paDetails = intPtr;
			MmResult val = MixerInterop.mixerGetControlDetails(mixerHandle, ref mixerControlDetails, MixerFlags.Mixer | mixerHandleType);
			if ((int)val == 0)
			{
				GetDetails(mixerControlDetails.paDetails);
			}
			Marshal.FreeCoTaskMem(intPtr);
			if ((int)val != 0)
			{
				throw new MmException(val, "mixerGetControlDetails");
			}
		}

		protected abstract void GetDetails(IntPtr pDetails);

		private static bool IsControlBoolean(MixerControlType controlType)
		{
			switch (controlType)
			{
			case MixerControlType.BooleanMeter:
			case MixerControlType.Boolean:
			case MixerControlType.OnOff:
			case MixerControlType.Mute:
			case MixerControlType.Mono:
			case MixerControlType.Loudness:
			case MixerControlType.StereoEnhance:
			case MixerControlType.Button:
			case MixerControlType.SingleSelect:
			case MixerControlType.Mux:
			case MixerControlType.MultipleSelect:
			case MixerControlType.Mixer:
				return true;
			default:
				return false;
			}
		}

		private static bool IsControlListText(MixerControlType controlType)
		{
			if (controlType == MixerControlType.Equalizer || (uint)(controlType - 1879113728) <= 1u || (uint)(controlType - 1895890944) <= 1u)
			{
				return true;
			}
			return false;
		}

		private static bool IsControlSigned(MixerControlType controlType)
		{
			switch (controlType)
			{
			case MixerControlType.SignedMeter:
			case MixerControlType.PeakMeter:
			case MixerControlType.Signed:
			case MixerControlType.Decibels:
			case MixerControlType.Slider:
			case MixerControlType.Pan:
			case MixerControlType.QSoundPan:
				return true;
			default:
				return false;
			}
		}

		private static bool IsControlUnsigned(MixerControlType controlType)
		{
			switch (controlType)
			{
			case MixerControlType.UnsignedMeter:
			case MixerControlType.Unsigned:
			case MixerControlType.Percent:
			case MixerControlType.Fader:
			case MixerControlType.Volume:
			case MixerControlType.Bass:
			case MixerControlType.Treble:
			case MixerControlType.Equalizer:
			case MixerControlType.MicroTime:
			case MixerControlType.MilliTime:
				return true;
			default:
				return false;
			}
		}

		private static bool IsControlCustom(MixerControlType controlType)
		{
			return controlType == MixerControlType.Custom;
		}

		public override string ToString()
		{
			return $"{Name} {ControlType}";
		}
	}
	[Flags]
	internal enum MixerControlClass
	{
		Custom = 0,
		Meter = 0x10000000,
		Switch = 0x20000000,
		Number = 0x30000000,
		Slider = 0x40000000,
		Fader = 0x50000000,
		Time = 0x60000000,
		List = 0x70000000,
		Mask = 0x70000000
	}
	[Flags]
	internal enum MixerControlSubclass
	{
		SwitchBoolean = 0,
		SwitchButton = 0x1000000,
		MeterPolled = 0,
		TimeMicrosecs = 0,
		TimeMillisecs = 0x1000000,
		ListSingle = 0,
		ListMultiple = 0x1000000,
		Mask = 0xF000000
	}
	[Flags]
	internal enum MixerControlUnits
	{
		Custom = 0,
		Boolean = 0x10000,
		Signed = 0x20000,
		Unsigned = 0x30000,
		Decibels = 0x40000,
		Percent = 0x50000,
		Mask = 0xFF0000
	}
	public enum MixerControlType
	{
		Custom = 0,
		BooleanMeter = 268500992,
		SignedMeter = 268566528,
		PeakMeter = 268566529,
		UnsignedMeter = 268632064,
		Boolean = 536936448,
		OnOff = 536936449,
		Mute = 536936450,
		Mono = 536936451,
		Loudness = 536936452,
		StereoEnhance = 536936453,
		Button = 553713664,
		Decibels = 805568512,
		Signed = 805437440,
		Unsigned = 805502976,
		Percent = 805634048,
		Slider = 1073872896,
		Pan = 1073872897,
		QSoundPan = 1073872898,
		Fader = 1342373888,
		Volume = 1342373889,
		Bass = 1342373890,
		Treble = 1342373891,
		Equalizer = 1342373892,
		SingleSelect = 1879113728,
		Mux = 1879113729,
		MultipleSelect = 1895890944,
		Mixer = 1895890945,
		MicroTime = 1610809344,
		MilliTime = 1627586560
	}
	[Flags]
	public enum MixerFlags
	{
		Handle = int.MinValue,
		Mixer = 0,
		MixerHandle = int.MinValue,
		WaveOut = 0x10000000,
		WaveOutHandle = -1879048192,
		WaveIn = 0x20000000,
		WaveInHandle = -1610612736,
		MidiOut = 0x30000000,
		MidiOutHandle = -1342177280,
		MidiIn = 0x40000000,
		MidiInHandle = -1073741824,
		Aux = 0x50000000,
		Value = 0,
		ListText = 1,
		QueryMask = 0xF,
		All = 0,
		OneById = 1,
		OneByType = 2,
		GetLineInfoOfDestination = 0,
		GetLineInfoOfSource = 1,
		GetLineInfoOfLineId = 2,
		GetLineInfoOfComponentType = 3,
		GetLineInfoOfTargetType = 4,
		GetLineInfoOfQueryMask = 0xF
	}
	internal class MixerInterop
	{
		[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto, Pack = 1)]
		public struct MIXERCONTROLDETAILS
		{
			public int cbStruct;

			public int dwControlID;

			public int cChannels;

			public IntPtr hwndOwner;

			public int cbDetails;

			public IntPtr paDetails;
		}

		[StructLayout(LayoutKind.Sequential, Pack = 1)]
		public struct MIXERCAPS
		{
			public ushort wMid;

			public ushort wPid;

			public uint vDriverVersion;

			[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
			public string szPname;

			public uint fdwSupport;

			public uint cDestinations;
		}

		[StructLayout(LayoutKind.Sequential, Pack = 1)]
		public struct MIXERLINECONTROLS
		{
			public int cbStruct;

			public int dwLineID;

			public int dwControlID;

			public int cControls;

			public int cbmxctrl;

			public IntPtr pamxctrl;
		}

		[Flags]
		public enum MIXERLINE_LINEF
		{
			MIXERLINE_LINEF_ACTIVE = 1,
			MIXERLINE_LINEF_DISCONNECTED = 0x8000,
			MIXERLINE_LINEF_SOURCE = int.MinValue
		}

		[StructLayout(LayoutKind.Sequential, Pack = 1)]
		public struct MIXERLINE
		{
			public int cbStruct;

			public int dwDestination;

			public int dwSource;

			public int dwLineID;

			public MIXERLINE_LINEF fdwLine;

			public IntPtr dwUser;

			public MixerLineComponentType dwComponentType;

			public int cChannels;

			public int cConnections;

			public int cControls;

			[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
			public string szShortName;

			[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 64)]
			public string szName;

			public uint dwType;

			public uint dwDeviceID;

			public ushort wMid;

			public ushort wPid;

			public uint vDriverVersion;

			[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
			public string szPname;
		}

		[StructLayout(LayoutKind.Sequential, Pack = 1)]
		public struct Bounds
		{
			public int minimum;

			public int maximum;

			public int reserved2;

			public int reserved3;

			public int reserved4;

			public int reserved5;
		}

		[StructLayout(LayoutKind.Sequential, Pack = 1)]
		public struct Metrics
		{
			public int step;

			public int customData;

			public int reserved2;

			public int reserved3;

			public int reserved4;

			public int reserved5;
		}

		[StructLayout(LayoutKind.Sequential, Pack = 1)]
		public struct MIXERCONTROL
		{
			public uint cbStruct;

			public int dwControlID;

			public MixerControlType dwControlType;

			public uint fdwControl;

			public uint cMultipleItems;

			[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
			public string szShortName;

			[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 64)]
			public string szName;

			public Bounds Bounds;

			public Metrics Metrics;
		}

		public struct MIXERCONTROLDETAILS_BOOLEAN
		{
			public int fValue;
		}

		public struct MIXERCONTROLDETAILS_SIGNED
		{
			public int lValue;
		}

		[StructLayout(LayoutKind.Sequential, Pack = 1)]
		public struct MIXERCONTROLDETAILS_LISTTEXT
		{
			public uint dwParam1;

			public uint dwParam2;

			[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 64)]
			public string szName;
		}

		public struct MIXERCONTROLDETAILS_UNSIGNED
		{
			public uint dwValue;
		}

		public const uint MIXERCONTROL_CONTROLF_UNIFORM = 1u;

		public const uint MIXERCONTROL_CONTROLF_MULTIPLE = 2u;

		public const uint MIXERCONTROL_CONTROLF_DISABLED = 2147483648u;

		public const int MAXPNAMELEN = 32;

		public const int MIXER_SHORT_NAME_CHARS = 16;

		public const int MIXER_LONG_NAME_CHARS = 64;

		[DllImport("winmm.dll", CharSet = CharSet.Ansi)]
		public static extern int mixerGetNumDevs();

		[DllImport("winmm.dll", CharSet = CharSet.Ansi)]
		public static extern MmResult mixerOpen(out IntPtr hMixer, int uMxId, IntPtr dwCallback, IntPtr dwInstance, MixerFlags dwOpenFlags);

		[DllImport("winmm.dll", CharSet = CharSet.Ansi)]
		public static extern MmResult mixerClose(IntPtr hMixer);

		[DllImport("winmm.dll", CharSet = CharSet.Ansi)]
		public static extern MmResult mixerGetControlDetails(IntPtr hMixer, ref MIXERCONTROLDETAILS mixerControlDetails, MixerFlags dwDetailsFlags);

		[DllImport("winmm.dll", CharSet = CharSet.Ansi)]
		public static extern MmResult mixerGetDevCaps(IntPtr nMixerID, ref MIXERCAPS mixerCaps, int mixerCapsSize);

		[DllImport("winmm.dll", CharSet = CharSet.Ansi)]
		public static extern MmResult mixerGetID(IntPtr hMixer, out int mixerID, MixerFlags dwMixerIDFlags);

		[DllImport("winmm.dll", CharSet = CharSet.Ansi)]
		public static extern MmResult mixerGetLineControls(IntPtr hMixer, ref MIXERLINECONTROLS mixerLineControls, MixerFlags dwControlFlags);

		[DllImport("winmm.dll", CharSet = CharSet.Ansi)]
		public static extern MmResult mixerGetLineInfo(IntPtr hMixer, ref MIXERLINE mixerLine, MixerFlags dwInfoFlags);

		[DllImport("winmm.dll", CharSet = CharSet.Ansi)]
		public static extern MmResult mixerMessage(IntPtr hMixer, uint nMessage, IntPtr dwParam1, IntPtr dwParam2);

		[DllImport("winmm.dll", CharSet = CharSet.Ansi)]
		public static extern MmResult mixerSetControlDetails(IntPtr hMixer, ref MIXERCONTROLDETAILS mixerControlDetails, MixerFlags dwDetailsFlags);
	}
	public class MixerLine
	{
		private MixerInterop.MIXERLINE mixerLine;

		private IntPtr mixerHandle;

		private MixerFlags mixerHandleType;

		public string Name => mixerLine.szName;

		public string ShortName => mixerLine.szShortName;

		public int LineId => mixerLine.dwLineID;

		public MixerLineComponentType ComponentType => mixerLine.dwComponentType;

		public string TypeDescription => mixerLine.dwComponentType switch
		{
			MixerLineComponentType.DestinationUndefined => "Undefined Destination", 
			MixerLineComponentType.DestinationDigital => "Digital Destination", 
			MixerLineComponentType.DestinationLine => "Line Level Destination", 
			MixerLineComponentType.DestinationMonitor => "Monitor Destination", 
			MixerLineComponentType.DestinationSpeakers => "Speakers Destination", 
			MixerLineComponentType.DestinationHeadphones => "Headphones Destination", 
			MixerLineComponentType.DestinationTelephone => "Telephone Destination", 
			MixerLineComponentType.DestinationWaveIn => "Wave Input Destination", 
			MixerLineComponentType.DestinationVoiceIn => "Voice Recognition Destination", 
			MixerLineComponentType.SourceUndefined => "Undefined Source", 
			MixerLineComponentType.SourceDigital => "Digital Source", 
			MixerLineComponentType.SourceLine => "Line Level Source", 
			MixerLineComponentType.SourceMicrophone => "Microphone Source", 
			MixerLineComponentType.SourceSynthesizer => "Synthesizer Source", 
			MixerLineComponentType.SourceCompactDisc => "Compact Disk Source", 
			MixerLineComponentType.SourceTelephone => "Telephone Source", 
			MixerLineComponentType.SourcePcSpeaker => "PC Speaker Source", 
			MixerLineComponentType.SourceWaveOut => "Wave Out Source", 
			MixerLineComponentType.SourceAuxiliary => "Auxiliary Source", 
			MixerLineComponentType.SourceAnalog => "Analog Source", 
			_ => "Invalid Component Type", 
		};

		public int Channels => mixerLine.cChannels;

		public int SourceCount => mixerLine.cConnections;

		public int ControlsCount => mixerLine.cControls;

		public bool IsActive => (mixerLine.fdwLine & MixerInterop.MIXERLINE_LINEF.MIXERLINE_LINEF_ACTIVE) != 0;

		public bool IsDisconnected => (mixerLine.fdwLine & MixerInterop.MIXERLINE_LINEF.MIXERLINE_LINEF_DISCONNECTED) != 0;

		public bool IsSource => (mixerLine.fdwLine & MixerInterop.MIXERLINE_LINEF.MIXERLINE_LINEF_SOURCE) != 0;

		public IEnumerable<MixerControl> Controls => MixerControl.GetMixerControls(mixerHandle, this, mixerHandleType);

		public IEnumerable<MixerLine> Sources
		{
			get
			{
				for (int source = 0; source < SourceCount; source++)
				{
					yield return GetSource(source);
				}
			}
		}

		public string TargetName => mixerLine.szPname;

		public MixerLine(IntPtr mixerHandle, int destinationIndex, MixerFlags mixerHandleType)
		{
			//IL_004c: Unknown result type (might be due to invalid IL or missing references)
			this.mixerHandle = mixerHandle;
			this.mixerHandleType = mixerHandleType;
			mixerLine = default(MixerInterop.MIXERLINE);
			mixerLine.cbStruct = Marshal.SizeOf(mixerLine);
			mixerLine.dwDestination = destinationIndex;
			MmException.Try(MixerInterop.mixerGetLineInfo(mixerHandle, ref mixerLine, mixerHandleType | MixerFlags.Mixer), "mixerGetLineInfo");
		}

		public MixerLine(IntPtr mixerHandle, int destinationIndex, int sourceIndex, MixerFlags mixerHandleType)
		{
			//IL_005a: Unknown result type (might be due to invalid IL or missing references)
			this.mixerHandle = mixerHandle;
			this.mixerHandleType = mixerHandleType;
			mixerLine = default(MixerInterop.MIXERLINE);
			mixerLine.cbStruct = Marshal.SizeOf(mixerLine);
			mixerLine.dwDestination = destinationIndex;
			mixerLine.dwSource = sourceIndex;
			MmException.Try(MixerInterop.mixerGetLineInfo(mixerHandle, ref mixerLine, mixerHandleType | MixerFlags.ListText), "mixerGetLineInfo");
		}

		public static int GetMixerIdForWaveIn(int waveInDevice)
		{
			//IL_000f: Unknown result type (might be due to invalid IL or missing references)
			int mixerID = -1;
			MmException.Try(MixerInterop.mixerGetID((IntPtr)waveInDevice, out mixerID, MixerFlags.WaveIn), "mixerGetID");
			return mixerID;
		}

		public MixerLine GetSource(int sourceIndex)
		{
			if (sourceIndex < 0 || sourceIndex >= SourceCount)
			{
				throw new ArgumentOutOfRangeException("sourceIndex");
			}
			return new MixerLine(mixerHandle, mixerLine.dwDestination, sourceIndex, mixerHandleType);
		}

		public override string ToString()
		{
			return $"{Name} {TypeDescription} ({ControlsCount} controls, ID={mixerLine.dwLineID})";
		}
	}
	public enum MixerLineComponentType
	{
		DestinationUndefined = 0,
		DestinationDigital = 1,
		DestinationLine = 2,
		DestinationMonitor = 3,
		DestinationSpeakers = 4,
		DestinationHeadphones = 5,
		DestinationTelephone = 6,
		DestinationWaveIn = 7,
		DestinationVoiceIn = 8,
		SourceUndefined = 4096,
		SourceDigital = 4097,
		SourceLine = 4098,
		SourceMicrophone = 4099,
		SourceSynthesizer = 4100,
		SourceCompactDisc = 4101,
		SourceTelephone = 4102,
		SourcePcSpeaker = 4103,
		SourceWaveOut = 4104,
		SourceAuxiliary = 4105,
		SourceAnalog = 4106
	}
	public class SignedMixerControl : MixerControl
	{
		private MixerInterop.MIXERCONTROLDETAILS_SIGNED signedDetails;

		public int Value
		{
			get
			{
				GetControlDetails();
				return signedDetails.lValue;
			}
			set
			{
				//IL_0052: Unknown result type (might be due to invalid IL or missing references)
				signedDetails.lValue = value;
				mixerControlDetails.paDetails = Marshal.AllocHGlobal(Marshal.SizeOf(signedDetails));
				Marshal.StructureToPtr(signedDetails, mixerControlDetails.paDetails, fDeleteOld: false);
				MmException.Try(MixerInterop.mixerSetControlDetails(mixerHandle, ref mixerControlDetails, MixerFlags.Mixer | mixerHandleType), "mixerSetControlDetails");
				Marshal.FreeHGlobal(mixerControlDetails.paDetails);
			}
		}

		public int MinValue => mixerControl.Bounds.minimum;

		public int MaxValue => mixerControl.Bounds.maximum;

		public double Percent
		{
			get
			{
				return 100.0 * (double)(Value - MinValue) / (double)(MaxValue - MinValue);
			}
			set
			{
				Value = (int)((double)MinValue + value / 100.0 * (double)(MaxValue - MinValue));
			}
		}

		internal SignedMixerControl(MixerInterop.MIXERCONTROL mixerControl, IntPtr mixerHandle, MixerFlags mixerHandleType, int nChannels)
		{
			base.mixerControl = mixerControl;
			base.mixerHandle = mixerHandle;
			base.mixerHandleType = mixerHandleType;
			base.nChannels = nChannels;
			mixerControlDetails = default(MixerInterop.MIXERCONTROLDETAILS);
			GetControlDetails();
		}

		protected override void GetDetails(IntPtr pDetails)
		{
			signedDetails = Marshal.PtrToStructure<MixerInterop.MIXERCONTROLDETAILS_SIGNED>(mixerControlDetails.paDetails);
		}

		public override string ToString()
		{
			return $"{base.ToString()} {Percent}%";
		}
	}
	public class UnsignedMixerControl : MixerControl
	{
		private MixerInterop.MIXERCONTROLDETAILS_UNSIGNED[] unsignedDetails;

		public uint Value
		{
			get
			{
				GetControlDetails();
				return unsignedDetails[0].dwValue;
			}
			set
			{
				//IL_008f: Unknown result type (might be due to invalid IL or missing references)
				int num = Marshal.SizeOf(unsignedDetails[0]);
				mixerControlDetails.paDetails = Marshal.AllocHGlobal(num * nChannels);
				for (int i = 0; i < nChannels; i++)
				{
					unsignedDetails[i].dwValue = value;
					long num2 = mixerControlDetails.paDetails.ToInt64() + num * i;
					Marshal.StructureToPtr(unsignedDetails[i], (IntPtr)num2, fDeleteOld: false);
				}
				MmException.Try(MixerInterop.mixerSetControlDetails(mixerHandle, ref mixerControlDetails, MixerFlags.Mixer | mixerHandleType), "mixerSetControlDetails");
				Marshal.FreeHGlobal(mixerControlDetails.paDetails);
			}
		}

		public uint MinValue => (uint)mixerControl.Bounds.minimum;

		public uint MaxValue => (uint)mixerControl.Bounds.maximum;

		public double Percent
		{
			get
			{
				return 100.0 * (double)(Value - MinValue) / (double)(MaxValue - MinValue);
			}
			set
			{
				Value = (uint)((double)MinValue + value / 100.0 * (double)(MaxValue - MinValue));
			}
		}

		internal UnsignedMixerControl(MixerInterop.MIXERCONTROL mixerControl, IntPtr mixerHandle, MixerFlags mixerHandleType, int nChannels)
		{
			base.mixerControl = mixerControl;
			base.mixerHandle = mixerHandle;
			base.mixerHandleType = mixerHandleType;
			base.nChannels = nChannels;
			mixerControlDetails = default(MixerInterop.MIXERCONTROLDETAILS);
			GetControlDetails();
		}

		protected override void GetDetails(IntPtr pDetails)
		{
			unsignedDetails = new MixerInterop.MIXERCONTROLDETAILS_UNSIGNED[nChannels];
			for (int i = 0; i < nChannels; i++)
			{
				unsignedDetails[i] = Marshal.PtrToStructure<MixerInterop.MIXERCONTROLDETAILS_UNSIGNED>(mixerControlDetails.paDetails);
			}
		}

		public override string ToString()
		{
			return $"{base.ToString()} {Percent}%";
		}
	}
}
namespace NAudio.Wave
{
	internal enum AcmMetrics
	{
		CountDrivers = 1,
		CountCodecs = 2,
		CountConverters = 3,
		CountFilters = 4,
		CountDisabled = 5,
		CountHardware = 6,
		CountLocalDrivers = 20,
		CountLocalCodecs = 21,
		CountLocalConverters = 22,
		CountLocalFilters = 23,
		CountLocalDisabled = 24,
		HardwareWaveInput = 30,
		HardwareWaveOutput = 31,
		MaxSizeFormat = 50,
		MaxSizeFilter = 51,
		DriverSupport = 100,
		DriverPriority = 101
	}
	[Flags]
	internal enum AcmStreamConvertFlags
	{
		BlockAlign = 4,
		Start = 0x10,
		End = 0x20
	}
	[StructLayout(LayoutKind.Explicit)]
	public struct MmTime
	{
		public const int TIME_MS = 1;

		public const int TIME_SAMPLES = 2;

		public const int TIME_BYTES = 4;

		[FieldOffset(0)]
		public uint wType;

		[FieldOffset(4)]
		public uint ms;

		[FieldOffset(4)]
		public uint sample;

		[FieldOffset(4)]
		public uint cb;

		[FieldOffset(4)]
		public uint ticks;

		[FieldOffset(4)]
		public byte smpteHour;

		[FieldOffset(5)]
		public byte smpteMin;

		[FieldOffset(6)]
		public byte smpteSec;

		[FieldOffset(7)]
		public byte smpteFrame;

		[FieldOffset(8)]
		public byte smpteFps;

		[FieldOffset(9)]
		public byte smpteDummy;

		[FieldOffset(10)]
		public byte smptePad0;

		[FieldOffset(11)]
		public byte smptePad1;

		[FieldOffset(4)]
		public uint midiSongPtrPos;
	}
	public enum WaveCallbackStrategy
	{
		FunctionCallback,
		NewWindow,
		ExistingWindow,
		Event
	}
	[StructLayout(LayoutKind.Sequential)]
	public sealed class WaveHeader
	{
		public IntPtr dataBuffer;

		public int bufferLength;

		public int bytesRecorded;

		public IntPtr userData;

		public WaveHeaderFlags flags;

		public int loops;

		public IntPtr next;

		public IntPtr reserved;
	}
	[Flags]
	public enum WaveHeaderFlags
	{
		BeginLoop = 4,
		Done = 1,
		EndLoop = 8,
		InQueue = 0x10,
		Prepared = 2
	}
	[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
	public struct WaveInCapabilities
	{
		private short manufacturerId;

		private short productId;

		private int driverVersion;

		[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
		private string productName;

		private SupportedWaveFormat supportedFormats;

		private short channels;

		private short reserved;

		private Guid manufacturerGuid;

		private Guid productGuid;

		private Guid nameGuid;

		private const int MaxProductNameLength = 32;

		public int Channels => channels;

		public string ProductName => productName;

		public Guid NameGuid => nameGuid;

		public Guid ProductGuid => productGuid;

		public Guid ManufacturerGuid => manufacturerGuid;

		public bool SupportsWaveFormat(SupportedWaveFormat waveFormat)
		{
			return (supportedFormats & waveFormat) == waveFormat;
		}
	}
	public static class WaveCapabilitiesHelpers
	{
		public static readonly Guid MicrosoftDefaultManufacturerId = new Guid("d5a47fa8-6d98-11d1-a21a-00a0c9223196");

		public static readonly Guid DefaultWaveOutGuid = new Guid("E36DC310-6D9A-11D1-A21A-00A0C9223196");

		public static readonly Guid DefaultWaveInGuid = new Guid("E36DC311-6D9A-11D1-A21A-00A0C9223196");

		public static string GetNameFromGuid(Guid guid)
		{
			string result = null;
			using (RegistryKey registryKey = Registry.LocalMachine.OpenSubKey("System\\CurrentControlSet\\Control\\MediaCategories"))
			{
				using RegistryKey registryKey2 = registryKey.OpenSubKey(guid.ToString("B"));
				if (registryKey2 != null)
				{
					result = registryKey2.GetValue("Name") as string;
				}
			}
			return result;
		}
	}
	public class WaveInterop
	{
		[Flags]
		public enum WaveInOutOpenFlags
		{
			CallbackNull = 0,
			CallbackFunction = 0x30000,
			CallbackEvent = 0x50000,
			CallbackWindow = 0x10000,
			CallbackThread = 0x20000
		}

		public enum WaveMessage
		{
			WaveInOpen = 958,
			WaveInClose = 959,
			WaveInData = 960,
			WaveOutClose = 956,
			WaveOutDone = 957,
			WaveOutOpen = 955
		}

		public delegate void WaveCallback(IntPtr hWaveOut, WaveMessage message, IntPtr dwInstance, WaveHeader wavhdr, IntPtr dwReserved);

		[DllImport("winmm.dll")]
		public static extern int mmioStringToFOURCC([MarshalAs(UnmanagedType.LPStr)] string s, int flags);

		[DllImport("winmm.dll")]
		public static extern int waveOutGetNumDevs();

		[DllImport("winmm.dll")]
		public static extern MmResult waveOutPrepareHeader(IntPtr hWaveOut, WaveHeader lpWaveOutHdr, int uSize);

		[DllImport("winmm.dll")]
		public static extern MmResult waveOutUnprepareHeader(IntPtr hWaveOut, WaveHeader lpWaveOutHdr, int uSize);

		[DllImport("winmm.dll")]
		public static extern MmResult waveOutWrite(IntPtr hWaveOut, WaveHeader lpWaveOutHdr, int uSize);

		[DllImport("winmm.dll")]
		public static extern MmResult waveOutOpen(out IntPtr hWaveOut, IntPtr uDeviceID, WaveFormat lpFormat, WaveCallback dwCallback, IntPtr dwInstance, WaveInOutOpenFlags dwFlags);

		[DllImport("winmm.dll", EntryPoint = "waveOutOpen")]
		public static extern MmResult waveOutOpenWindow(out IntPtr hWaveOut, IntPtr uDeviceID, WaveFormat lpFormat, IntPtr callbackWindowHandle, IntPtr dwInstance, WaveInOutOpenFlags dwFlags);

		[DllImport("winmm.dll")]
		public static extern MmResult waveOutReset(IntPtr hWaveOut);

		[DllImport("winmm.dll")]
		public static extern MmResult waveOutClose(IntPtr hWaveOut);

		[DllImport("winmm.dll")]
		public static extern MmResult waveOutPause(IntPtr hWaveOut);

		[DllImport("winmm.dll")]
		public static extern MmResult waveOutRestart(IntPtr hWaveOut);

		[DllImport("winmm.dll")]
		public static extern MmResult waveOutGetPosition(IntPtr hWaveOut, ref MmTime mmTime, int uSize);

		[DllImport("winmm.dll")]
		public static extern MmResult waveOutSetVolume(IntPtr hWaveOut, int dwVolume);

		[DllImport("winmm.dll")]
		public static extern MmResult waveOutGetVolume(IntPtr hWaveOut, out int dwVolume);

		[DllImport("winmm.dll", CharSet = CharSet.Auto)]
		public static extern MmResult waveOutGetDevCaps(IntPtr deviceID, out WaveOutCapabilities waveOutCaps, int waveOutCapsSize);

		[DllImport("winmm.dll")]
		public static extern int waveInGetNumDevs();

		[DllImport("winmm.dll", CharSet = CharSet.Auto)]
		public static extern MmResult waveInGetDevCaps(IntPtr deviceID, out WaveInCapabilities waveInCaps, int waveInCapsSize);

		[DllImport("winmm.dll")]
		public static extern MmResult waveInAddBuffer(IntPtr hWaveIn, WaveHeader pwh, int cbwh);

		[DllImport("winmm.dll")]
		public static extern MmResult waveInClose(IntPtr hWaveIn);

		[DllImport("winmm.dll")]
		public static extern MmResult waveInOpen(out IntPtr hWaveIn, IntPtr uDeviceID, WaveFormat lpFormat, WaveCallback dwCallback, IntPtr dwInstance, WaveInOutOpenFlags dwFlags);

		[DllImport("winmm.dll", EntryPoint = "waveInOpen")]
		public static extern MmResult waveInOpenWindow(out IntPtr hWaveIn, IntPtr uDeviceID, WaveFormat lpFormat, IntPtr callbackWindowHandle, IntPtr dwInstance, WaveInOutOpenFlags dwFlags);

		[DllImport("winmm.dll")]
		public static extern MmResult waveInPrepareHeader(IntPtr hWaveIn, WaveHeader lpWaveInHdr, int uSize);

		[DllImport("winmm.dll")]
		public static extern MmResult waveInUnprepareHeader(IntPtr hWaveIn, WaveHeader lpWaveInHdr, int uSize);

		[DllImport("winmm.dll")]
		public static extern MmResult waveInReset(IntPtr hWaveIn);

		[DllImport("winmm.dll")]
		public static extern MmResult waveInStart(IntPtr hWaveIn);

		[DllImport("winmm.dll")]
		public static extern MmResult waveInStop(IntPtr hWaveIn);

		[DllImport("winmm.dll")]
		public static extern MmResult waveInGetPosition(IntPtr hWaveIn, out MmTime mmTime, int uSize);
	}
	[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
	public struct WaveOutCapabilities
	{
		private short manufacturerId;

		private short productId;

		private int driverVersion;

		[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
		private string productName;

		private SupportedWaveFormat supportedFormats;

		private short channels;

		private short reserved;

		private WaveOutSupport support;

		private Guid manufacturerGuid;

		private Guid productGuid;

		private Guid nameGuid;

		private const int MaxProductNameLength = 32;

		public int Channels => channels;

		public bool SupportsPlaybackRateControl => (support & WaveOutSupport.PlaybackRate) == WaveOutSupport.PlaybackRate;

		public string ProductName => productName;

		public Guid NameGuid => nameGuid;

		public Guid ProductGuid => productGuid;

		public Guid ManufacturerGuid => manufacturerGuid;

		public bool SupportsWaveFormat(SupportedWaveFormat waveFormat)
		{
			return (supportedFormats & waveFormat) == waveFormat;
		}
	}
	[Flags]
	public enum SupportedWaveFormat
	{
		WAVE_FORMAT_1M08 = 1,
		WAVE_FORMAT_1S08 = 2,
		WAVE_FORMAT_1M16 = 4,
		WAVE_FORMAT_1S16 = 8,
		WAVE_FORMAT_2M08 = 0x10,
		WAVE_FORMAT_2S08 = 0x20,
		WAVE_FORMAT_2M16 = 0x40,
		WAVE_FORMAT_2S16 = 0x80,
		WAVE_FORMAT_4M08 = 0x100,
		WAVE_FORMAT_4S08 = 0x200,
		WAVE_FORMAT_4M16 = 0x400,
		WAVE_FORMAT_4S16 = 0x800,
		WAVE_FORMAT_44M08 = 0x100,
		WAVE_FORMAT_44S08 = 0x200,
		WAVE_FORMAT_44M16 = 0x400,
		WAVE_FORMAT_44S16 = 0x800,
		WAVE_FORMAT_48M08 = 0x1000,
		WAVE_FORMAT_48S08 = 0x2000,
		WAVE_FORMAT_48M16 = 0x4000,
		WAVE_FORMAT_48S16 = 0x8000,
		WAVE_FORMAT_96M08 = 0x10000,
		WAVE_FORMAT_96S08 = 0x20000,
		WAVE_FORMAT_96M16 = 0x40000,
		WAVE_FORMAT_96S16 = 0x80000
	}
	[Flags]
	internal enum WaveOutSupport
	{
		Pitch = 1,
		PlaybackRate = 2,
		Volume = 4,
		LRVolume = 8,
		Sync = 0x10,
		SampleAccurate = 0x20
	}
	public class AcmMp3FrameDecompressor : IMp3FrameDecompressor, IDisposable
	{
		private readonly AcmStream conversionStream;

		private readonly WaveFormat pcmFormat;

		private bool disposed;

		public WaveFormat OutputFormat => pcmFormat;

		public AcmMp3FrameDecompressor(WaveFormat sourceFormat)
		{
			pcmFormat = AcmStream.SuggestPcmFormat(sourceFormat);
			try
			{
				conversionStream = new AcmStream(sourceFormat, pcmFormat);
			}
			catch (Exception)
			{
				disposed = true;
				GC.SuppressFinalize(this);
				throw;
			}
		}

		public int DecompressFrame(Mp3Frame frame, byte[] dest, int destOffset)
		{
			if (frame == null)
			{
				throw new ArgumentNullException("frame", "You must provide a non-null Mp3Frame to decompress");
			}
			Array.Copy(frame.RawData, conversionStream.SourceBuffer, frame.FrameLength);
			int sourceBytesConverted;
			int num = conversionStream.Convert(frame.FrameLength, out sourceBytesConverted);
			if (sourceBytesConverted != frame.FrameLength)
			{
				throw new InvalidOperationException($"Couldn't convert the whole MP3 frame (converted {sourceBytesConverted}/{frame.FrameLength})");
			}
			Array.Copy(conversionStream.DestBuffer, 0, dest, destOffset, num);
			return num;
		}

		public void Reset()
		{
			conversionStream.Reposition();
		}

		public void Dispose()
		{
			if (!disposed)
			{
				disposed = true;
				if (conversionStream != null)
				{
					conversionStream.Dispose();
				}
				GC.SuppressFinalize(this);
			}
		}

		~AcmMp3FrameDecompressor()
		{
			Dispose();
		}
	}
	public class WaveFormatConversionProvider : IWaveProvider, IDisposable
	{
		private readonly AcmStream conversionStream;

		private readonly IWaveProvider sourceProvider;

		private readonly int preferredSourceReadSize;

		private int leftoverDestBytes;

		private int leftoverDestOffset;

		private int leftoverSourceBytes;

		private bool isDisposed;

		public WaveFormat WaveFormat { get; }

		public WaveFormatConversionProvider(WaveFormat targetFormat, IWaveProvider sourceProvider)
		{
			this.sourceProvider = sourceProvider;
			WaveFormat = targetFormat;
			conversionStream = new AcmStream(sourceProvider.WaveFormat, targetFormat);
			preferredSourceReadSize = Math.Min(sourceProvider.WaveFormat.AverageBytesPerSecond, conversionStream.SourceBuffer.Length);
			preferredSourceReadSize -= preferredSourceReadSize % sourceProvider.WaveFormat.BlockAlign;
		}

		public void Reposition()
		{
			leftoverDestBytes = 0;
			leftoverDestOffset = 0;
			leftoverSourceBytes = 0;
			conversionStream.Reposition();
		}

		public int Read(byte[] buffer, int offset, int count)
		{
			int i = 0;
			if (count % WaveFormat.BlockAlign != 0)
			{
				count -= count % WaveFormat.BlockAlign;
			}
			int num5;
			for (; i < count; i += num5)
			{
				int num = Math.Min(count - i, leftoverDestBytes);
				if (num > 0)
				{
					Array.Copy(conversionStream.DestBuffer, leftoverDestOffset, buffer, offset + i, num);
					leftoverDestOffset += num;
					leftoverDestBytes -= num;
					i += num;
				}
				if (i >= count)
				{
					break;
				}
				int num2 = Math.Min(preferredSourceReadSize, conversionStream.SourceBuffer.Length - leftoverSourceBytes);
				int num3 = sourceProvider.Read(conversionStream.SourceBuffer, leftoverSourceBytes, num2) + leftoverSourceBytes;
				if (num3 == 0)
				{
					break;
				}
				int sourceBytesConverted;
				int num4 = conversionStream.Convert(num3, out sourceBytesConverted);
				if (sourceBytesConverted == 0)
				{
					break;
				}
				leftoverSourceBytes = num3 - sourceBytesConverted;
				if (leftoverSourceBytes > 0)
				{
					Buffer.BlockCopy(conversionStream.SourceBuffer, sourceBytesConverted, conversionStream.SourceBuffer, 0, leftoverSourceBytes);
				}
				if (num4 <= 0)
				{
					break;
				}
				int val = count - i;
				num5 = Math.Min(num4, val);
				if (num5 < num4)
				{
					leftoverDestBytes = num4 - num5;
					leftoverDestOffset = num5;
				}
				Array.Copy(conversionStream.DestBuffer, 0, buffer, i + offset, num5);
			}
			return i;
		}

		protected virtual void Dispose(bool disposing)
		{
			if (!isDisposed)
			{
				isDisposed = true;
				conversionStream?.Dispose();
			}
		}

		public void Dispose()
		{
			GC.SuppressFinalize(this);
			Dispose(disposing: true);
		}

		~WaveFormatConversionProvider()
		{
			Dispose(disposing: false);
		}
	}
	public class WaveFormatConversionStream : WaveStream
	{
		private readonly WaveFormatConversionProvider conversionProvider;

		private readonly WaveFormat targetFormat;

		private readonly long length;

		private long position;

		private readonly WaveStream sourceStream;

		private bool isDisposed;

		public override long Position
		{
			get
			{
				return position;
			}
			set
			{
				value -= value % ((WaveStream)this).BlockAlign;
				long num = EstimateDestToSource(value);
				((Stream)(object)sourceStream).Position = num;
				position = EstimateSourceToDest(((Stream)(object)sourceStream).Position);
				conversionProvider.Reposition();
			}
		}

		public override long Length => length;

		public override WaveFormat WaveFormat => targetFormat;

		public WaveFormatConversionStream(WaveFormat targetFormat, WaveStream sourceStream)
		{
			this.sourceStream = sourceStream;
			this.targetFormat = targetFormat;
			conversionProvider = new WaveFormatConversionProvider(targetFormat, (IWaveProvider)(object)sourceStream);
			length = EstimateSourceToDest((int)((Stream)(object)sourceStream).Length);
			position = 0L;
		}

		public static WaveStream CreatePcmStream(WaveStream sourceStream)
		{
			//IL_0006: Unknown result type (might be due to invalid IL or missing references)
			//IL_000c: Invalid comparison between Unknown and I4
			//IL_002f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0039: Invalid comparison between Unknown and I4
			//IL_0043: Unknown result type (might be due to invalid IL or missing references)
			//IL_0049: Expected O, but got Unknown
			if ((int)sourceStream.WaveFormat.Encoding == 1)
			{
				return sourceStream;
			}
			WaveFormat val = AcmStream.SuggestPcmFormat(sourceStream.WaveFormat);
			if (val.SampleRate < 8000)
			{
				if ((int)sourceStream.WaveFormat.Encoding != 163)
				{
					throw new InvalidOperationException("Invalid suggested output format, please explicitly provide a target format");
				}
				val = new WaveFormat(8000, 16, 1);
			}
			return (WaveStream)(object)new WaveFormatConversionStream(val, sourceStream);
		}

		[Obsolete("can be unreliable, use of this method not encouraged")]
		public int SourceToDest(int source)
		{
			return (int)EstimateSourceToDest(source);
		}

		private long EstimateSourceToDest(long source)
		{
			long num = source * targetFormat.AverageBytesPerSecond / sourceStream.WaveFormat.AverageBytesPerSecond;
			return num - num % targetFormat.BlockAlign;
		}

		private long EstimateDestToSource(long dest)
		{
			long num = dest * sourceStream.WaveFormat.AverageBytesPerSecond / targetFormat.AverageBytesPerSecond;
			return (int)(num - num % sourceStream.WaveFormat.BlockAlign);
		}

		[Obsolete("can be unreliable, use of this method not encouraged")]
		public int DestToSource(int dest)
		{
			return (int)EstimateDestToSource(dest);
		}

		public override int Read(byte[] buffer, int offset, int count)
		{
			int num = conversionProvider.Read(buffer, offset, count);
			position += num;
			return num;
		}

		protected override void Dispose(bool disposing)
		{
			if (!isDisposed)
			{
				isDisposed = true;
				if (disposing)
				{
					((Stream)(object)sourceStream).Dispose();
					conversionProvider.Dispose();
				}
			}
			((Stream)this).Dispose(disposing);
		}
	}
	public class WaveInBuffer : IDisposable
	{
		private readonly WaveHeader header;

		private readonly int bufferSize;

		private readonly byte[] buffer;

		private GCHandle hBuffer;

		private IntPtr waveInHandle;

		private GCHandle hHeader;

		private GCHandle hThis;

		public byte[] Data => buffer;

		public bool Done => (header.flags & WaveHeaderFlags.Done) == WaveHeaderFlags.Done;

		public bool InQueue => (header.flags & WaveHeaderFlags.InQueue) == WaveHeaderFlags.InQueue;

		public int BytesRecorded => header.bytesRecorded;

		public int BufferSize => bufferSize;

		public WaveInBuffer(IntPtr waveInHandle, int bufferSize)
		{
			//IL_00b1: Unknown result type (might be due to invalid IL or missing references)
			this.bufferSize = bufferSize;
			buffer = new byte[bufferSize];
			hBuffer = GCHandle.Alloc(buffer, GCHandleType.Pinned);
			this.waveInHandle = waveInHandle;
			header = new WaveHeader();
			hHeader = GCHandle.Alloc(header, GCHandleType.Pinned);
			header.dataBuffer = hBuffer.AddrOfPinnedObject();
			header.bufferLength = bufferSize;
			header.loops = 1;
			hThis = GCHandle.Alloc(this);
			header.userData = (IntPtr)hThis;
			MmException.Try(WaveInterop.waveInPrepareHeader(waveInHandle, header, Marshal.SizeOf(header)), "waveInPrepareHeader");
		}

		public void Reuse()
		{
			//IL_0017: Unknown result type (might be due to invalid IL or missing references)
			//IL_003d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0063: Unknown result type (might be due to invalid IL or missing references)
			MmException.Try(WaveInterop.waveInUnprepareHeader(waveInHandle, header, Marshal.SizeOf(header)), "waveUnprepareHeader");
			MmException.Try(WaveInterop.waveInPrepareHeader(waveInHandle, header, Marshal.SizeOf(header)), "waveInPrepareHeader");
			MmException.Try(WaveInterop.waveInAddBuffer(waveInHandle, header, Marshal.SizeOf(header)), "waveInAddBuffer");
		}

		~WaveInBuffer()
		{
			Dispose(disposing: false);
		}

		public void Dispose()
		{
			GC.SuppressFinalize(this);
			Dispose(disposing: true);
		}

		protected void Dispose(bool disposing)
		{
			//IL_002b: Unknown result type (might be due to invalid IL or missing references)
			if (waveInHandle != IntPtr.Zero)
			{
				WaveInterop.waveInUnprepareHeader(waveInHandle, header, Marshal.SizeOf(header));
				waveInHandle = IntPtr.Zero;
			}
			if (hHeader.IsAllocated)
			{
				hHeader.Free();
			}
			if (hBuffer.IsAllocated)
			{
				hBuffer.Free();
			}
			if (hThis.IsAllocated)
			{
				hThis.Free();
			}
		}
	}
	public class WaveInEvent : IWaveIn, IDisposable
	{
		private readonly AutoResetEvent callbackEvent;

		private readonly SynchronizationContext syncContext;

		private IntPtr waveInHandle;

		private volatile CaptureState captureState;

		private WaveInBuffer[] buffers;

		public static int DeviceCount => WaveInterop.waveInGetNumDevs();

		public int BufferMilliseconds { get; set; }

		public int NumberOfBuffers { get; set; }

		public int DeviceNumber { get; set; }

		public WaveFormat WaveFormat { get; set; }

		public event EventHandler<WaveInEventArgs> DataAvailable;

		public event EventHandler<StoppedEventArgs> RecordingStopped;

		public WaveInEvent()
		{
			//IL_002d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0037: Expected O, but got Unknown
			//IL_0048: Unknown result type (might be due to invalid IL or missing references)
			callbackEvent = new AutoResetEvent(initialState: false);
			syncContext = SynchronizationContext.Current;
			DeviceNumber = 0;
			WaveFormat = new WaveFormat(8000, 16, 1);
			BufferMilliseconds = 100;
			NumberOfBuffers = 3;
			captureState = (CaptureState)0;
		}

		public static WaveInCapabilities GetCapabilities(int devNumber)
		{
			//IL_0018: Unknown result type (might be due to invalid IL or missing references)
			WaveInCapabilities waveInCaps = default(WaveInCapabilities);
			int waveInCapsSize = Marshal.SizeOf(waveInCaps);
			MmException.Try(WaveInterop.waveInGetDevCaps((IntPtr)devNumber, out waveInCaps, waveInCapsSize), "waveInGetDevCaps");
			return waveInCaps;
		}

		private void CreateBuffers()
		{
			int num = BufferMilliseconds * WaveFormat.AverageBytesPerSecond / 1000;
			if (num % WaveFormat.BlockAlign != 0)
			{
				num -= num % WaveFormat.BlockAlign;
			}
			buffers = new WaveInBuffer[NumberOfBuffers];
			for (int i = 0; i < buffers.Length; i++)
			{
				buffers[i] = new WaveInBuffer(waveInHandle, num);
			}
		}

		private void OpenWaveInDevice()
		{
			//IL_0037: Unknown result type (might be due to invalid IL or missing references)
			CloseWaveInDevice();
			MmException.Try(WaveInterop.waveInOpenWindow(out waveInHandle, (IntPtr)DeviceNumber, WaveFormat, callbackEvent.SafeWaitHandle.DangerousGetHandle(), IntPtr.Zero, WaveInterop.WaveInOutOpenFlags.CallbackEvent), "waveInOpen");
			CreateBuffers();
		}

		public void StartRecording()
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			//IL_0021: Unknown result type (might be due to invalid IL or missing references)
			//IL_0032: Unknown result type (might be due to invalid IL or missing references)
			if ((int)captureState != 0)
			{
				throw new InvalidOperationException("Already recording");
			}
			OpenWaveInDevice();
			MmException.Try(WaveInterop.waveInStart(waveInHandle), "waveInStart");
			captureState = (CaptureState)1;
			ThreadPool.QueueUserWorkItem(delegate
			{
				RecordThread();
			}, null);
		}

		private void RecordThread()
		{
			//IL_000f: Unknown result type (might be due to invalid IL or missing references)
			Exception e = null;
			try
			{
				DoRecording();
			}
			catch (Exception ex)
			{
				e = ex;
			}
			finally
			{
				captureState = (CaptureState)0;
				RaiseRecordingStoppedEvent(e);
			}
		}

		private void DoRecording()
		{
			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
			//IL_009e: Unknown result type (might be due to invalid IL or missing references)
			//IL_00a6: Invalid comparison between Unknown and I4
			//IL_0083: Unknown result type (might be due to invalid IL or missing references)
			//IL_008b: Invalid comparison between Unknown and I4
			//IL_0078: Unknown result type (might be due to invalid IL or missing references)
			//IL_0082: Expected O, but got Unknown
			captureState = (CaptureState)2;
			WaveInBuffer[] array = buffers;
			foreach (WaveInBuffer waveInBuffer in array)
			{
				if (!waveInBuffer.InQueue)
				{
					waveInBuffer.Reuse();
				}
			}
			while ((int)captureState == 2)
			{
				if (!callbackEvent.WaitOne())
				{
					continue;
				}
				array = buffers;
				foreach (WaveInBuffer waveInBuffer2 in array)
				{
					if (waveInBuffer2.Done)
					{
						if (waveInBuffer2.BytesRecorded > 0)
						{
							this.DataAvailable?.Invoke(this, new WaveInEventArgs(waveInBuffer2.Data, waveInBuffer2.BytesRecorded));
						}
						if ((int)captureState == 2)
						{
							waveInBuffer2.Reuse();
						}
					}
				}
			}
		}

		private void RaiseRecordingStoppedEvent(Exception e)
		{
			//IL_003d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0047: Expected O, but got Unknown
			EventHandler<StoppedEventArgs> handler = this.RecordingStopped;
			if (handler == null)
			{
				return;
			}
			if (syncContext == null)
			{
				handler(this, new StoppedEventArgs(e));
				return;
			}
			syncContext.Post(delegate
			{
				//IL_0012: Unknown result type (might be due to invalid IL or missing references)
				//IL_001c: Expected O, but got Unknown
				handler(this, new StoppedEventArgs(e));
			}, null);
		}

		public void StopRecording()
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			//IL_000c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0019: Unknown result type (might be due to invalid IL or missing references)
			//IL_002e: Unknown result type (might be due to invalid IL or missing references)
			if ((int)captureState != 0)
			{
				captureState = (CaptureState)3;
				MmException.Try(WaveInterop.waveInStop(waveInHandle), "waveInStop");
				MmException.Try(WaveInterop.waveInReset(waveInHandle), "waveInReset");
				callbackEvent.Set();
			}
		}

		public long GetPosition()
		{
			//IL_001e: Unknown result type (might be due to invalid IL or missing references)
			MmTime mmTime = default(MmTime);
			mmTime.wType = 4u;
			MmException.Try(WaveInterop.waveInGetPosition(waveInHandle, out mmTime, Marshal.SizeOf(mmTime)), "waveInGetPosition");
			if (mmTime.wType != 4)
			{
				throw new Exception($"waveInGetPosition: wType -> Expected {4}, Received {mmTime.wType}");
			}
			return mmTime.cb;
		}

		protected virtual void Dispose(bool disposing)
		{
			//IL_0004: Unknown result type (might be due to invalid IL or missing references)
			if (disposing)
			{
				if ((int)captureState != 0)
				{
					StopRecording();
				}
				CloseWaveInDevice();
			}
		}

		private void CloseWaveInDevice()
		{
			//IL_0006: Unknown result type (might be due to invalid IL or missing references)
			//IL_0041: Unknown result type (might be due to invalid IL or missing references)
			WaveInterop.waveInReset(waveInHandle);
			if (buffers != null)
			{
				for (int i = 0; i < buffers.Length; i++)
				{
					buffers[i].Dispose();
				}
				buffers = null;
			}
			WaveInterop.waveInClose(waveInHandle);
			waveInHandle = IntPtr.Zero;
		}

		public MixerLine GetMixerLine()
		{
			if (waveInHandle != IntPtr.Zero)
			{
				return new MixerLine(waveInHandle, 0, MixerFlags.WaveInHandle);
			}
			return new MixerLine((IntPtr)DeviceNumber, 0, MixerFlags.WaveIn);
		}

		public void Dispose()
		{
			Dispose(disposing: true);
			GC.SuppressFinalize(this);
		}
	}
	public class WaveOutBuffer : IDisposable
	{
		private readonly WaveHeader header;

		private readonly int bufferSize;

		private readonly byte[] buffer;

		private readonly IWaveProvider waveStream;

		private readonly object waveOutLock;

		private GCHandle hBuffer;

		private IntPtr hWaveOut;

		private GCHandle hHeader;

		private GCHandle hThis;

		public bool InQueue => (header.flags & WaveHeaderFlags.InQueue) == WaveHeaderFlags.InQueue;

		public int BufferSize => bufferSize;

		public WaveOutBuffer(IntPtr hWaveOut, int bufferSize, IWaveProvider bufferFillStream, object waveOutLock)
		{
			//IL_00cd: Unknown result type (might be due to invalid IL or missing references)
			this.bufferSize = bufferSize;
			buffer = new byte[bufferSize];
			hBuffer = GCHandle.Alloc(buffer, GCHandleType.Pinned);
			this.hWaveOut = hWaveOut;
			waveStream = bufferFillStream;
			this.waveOutLock = waveOutLock;
			header = new WaveHeader();
			hHeader = GCHandle.Alloc(header, GCHandleType.Pinned);
			header.dataBuffer = hBuffer.AddrOfPinnedObject();
			header.bufferLength = bufferSize;
			header.loops = 1;
			hThis = GCHandle.Alloc(this);
			header.userData = (IntPtr)hThis;
			lock (waveOutLock)
			{
				MmException.Try(WaveInterop.waveOutPrepareHeader(hWaveOut, header, Marshal.SizeOf(header)), "waveOutPrepareHeader");
			}
		}

		~WaveOutBuffer()
		{
			Dispose(disposing: false);
		}

		public void Dispose()
		{
			GC.SuppressFinalize(this);
			Dispose(disposing: true);
		}

		protected void Dispose(bool disposing)
		{
			//IL_0084: Unknown result type (might be due to invalid IL or missing references)
			if (hHeader.IsAllocated)
			{
				hHeader.Free();
			}
			if (hBuffer.IsAllocated)
			{
				hBuffer.Free();
			}
			if (hThis.IsAllocated)
			{
				hThis.Free();
			}
			if (hWaveOut != IntPtr.Zero)
			{
				lock (waveOutLock)
				{
					WaveInterop.waveOutUnprepareHeader(hWaveOut, header, Marshal.SizeOf(header));
				}
				hWaveOut = IntPtr.Zero;
			}
		}

		public bool OnDone()
		{
			int num;
			lock (waveStream)
			{
				num = waveStream.Read(buffer, 0, buffer.Length);
			}
			if (num == 0)
			{
				return false;
			}
			for (int i = num; i < buffer.Length; i++)
			{
				buffer[i] = 0;
			}
			WriteToWaveOut();
			return true;
		}

		private void WriteToWaveOut()
		{
			//IL_0028: Unknown result type (might be due to invalid IL or missing references)
			//IL_002d: Unknown result type (might be due to invalid IL or missing references)
			//IL_003a: Unknown result type (might be due to invalid IL or missing references)
			//IL_003d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0043: Unknown result type (might be due to invalid IL or missing references)
			MmResult val;
			lock (waveOutLock)
			{
				val = WaveInterop.waveOutWrite(hWaveOut, header, Marshal.SizeOf(header));
			}
			if ((int)val != 0)
			{
				throw new MmException(val, "waveOutWrite");
			}
			GC.KeepAlive(this);
		}
	}
	public class WaveOutEvent : IWavePlayer, IDisposable, IWavePosition
	{
		private readonly object waveOutLock;

		private readonly SynchronizationContext syncContext;

		private IntPtr hWaveOut;

		private WaveOutBuffer[] buffers;

		private IWaveProvider waveStream;

		private volatile PlaybackState playbackState;

		private AutoResetEvent callbackEvent;

		public int DesiredLatency { get; set; }

		public int NumberOfBuffers { get; set; }

		public int DeviceNumber { get; set; } = -1;


		public WaveFormat OutputWaveFormat => waveStream.WaveFormat;

		public PlaybackState PlaybackState => playbackState;

		public float Volume
		{
			get
			{
				return WaveOutUtils.GetWaveOutVolume(hWaveOut, waveOutLock);
			}
			set
			{
				WaveOutUtils.SetWaveOutVolume(value, hWaveOut, waveOutLock);
			}
		}

		public event EventHandler<StoppedEventArgs> PlaybackStopped;

		public WaveOutEvent()
		{
			syncContext = SynchronizationContext.Current;
			if (syncContext != null && (syncContext.GetType().Name == "LegacyAspNetSynchronizationContext" || syncContext.GetType().Name == "AspNetSynchronizationContext"))
			{
				syncContext = null;
			}
			DesiredLatency = 300;
			NumberOfBuffers = 2;
			waveOutLock = new object();
		}

		public void Init(IWaveProvider waveProvider)
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			//IL_00af: Unknown result type (might be due to invalid IL or missing references)
			//IL_00b4: Unknown result type (might be due to invalid IL or missing references)
			//IL_00c1: Unknown result type (might be due to invalid IL or missing references)
			//IL_00df: Unknown result type (might be due to invalid IL or missing references)
			if ((int)playbackState != 0)
			{
				throw new InvalidOperationException("Can't re-initialize during playback");
			}
			if (hWaveOut != IntPtr.Zero)
			{
				DisposeBuffers();
				CloseWaveOut();
			}
			callbackEvent = new AutoResetEvent(initialState: false);
			waveStream = waveProvider;
			int bufferSize = waveProvider.WaveFormat.ConvertLatencyToByteSize((DesiredLatency + NumberOfBuffers - 1) / NumberOfBuffers);
			MmResult val;
			lock (waveOutLock)
			{
				val = WaveInterop.waveOutOpenWindow(out hWaveOut, (IntPtr)DeviceNumber, waveStream.WaveFormat, callbackEvent.SafeWaitHandle.DangerousGetHandle(), IntPtr.Zero, WaveInterop.WaveInOutOpenFlags.CallbackEvent);
			}
			MmException.Try(val, "waveOutOpen");
			buffers = new WaveOutBuffer[NumberOfBuffers];
			playbackState = (PlaybackState)0;
			for (int i = 0; i < NumberOfBuffers; i++)
			{
				buffers[i] = new WaveOutBuffer(hWaveOut, bufferSize, waveStream, waveOutLock);
			}
		}

		public void Play()
		{
			//IL_001c: Unknown result type (might be due to invalid IL or missing references)
			//IL_004f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0057: Invalid comparison between Unknown and I4
			//IL_0027: Unknown result type (might be due to invalid IL or missing references)
			if (buffers == null || waveStream == null)
			{
				throw new InvalidOperationException("Must call Init first");
			}
			if ((int)playbackState == 0)
			{
				playbackState = (PlaybackState)1;
				callbackEvent.Set();
				ThreadPool.QueueUserWorkItem(delegate
				{
					PlaybackThread();
				}, null);
			}
			else if ((int)playbackState == 2)
			{
				Resume();
				callbackEvent.Set();
			}
		}

		private void PlaybackThread()
		{
			//IL_000f: Unknown result type (might be due to invalid IL or missing references)
			Exception e = null;
			try
			{
				DoPlayback();
			}
			catch (Exception ex)
			{
				e = ex;
			}
			finally
			{
				playbackState = (PlaybackState)0;
				RaisePlaybackStoppedEvent(e);
			}
		}

		private void DoPlayback()
		{
			//IL_0073: Unknown result type (might be due to invalid IL or missing references)
			//IL_0021: Unknown result type (might be due to invalid IL or missing references)
			//IL_0029: Invalid comparison between Unknown and I4
			//IL_0016: Unknown result type (might be due to invalid IL or missing references)
			//IL_005f: Unknown result type (might be due to invalid IL or missing references)
			while ((int)playbackState != 0)
			{
				if (!callbackEvent.WaitOne(DesiredLatency))
				{
					_ = playbackState;
					_ = 1;
				}
				if ((int)playbackState != 1)
				{
					continue;
				}
				int num = 0;
				WaveOutBuffer[] array = buffers;
				foreach (WaveOutBuffer waveOutBuffer in array)
				{
					if (waveOutBuffer.InQueue || waveOutBuffer.OnDone())
					{
						num++;
					}
				}
				if (num == 0)
				{
					playbackState = (PlaybackState)0;
					callbackEvent.Set();
				}
			}
		}

		public void Pause()
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			//IL_0009: Invalid comparison between Unknown and I4
			//IL_000d: Unknown result type (might be due to invalid IL or missing references)
			//IL_002b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0030: Unknown result type (might be due to invalid IL or missing references)
			//IL_003d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0040: Unknown result type (might be due to invalid IL or missing references)
			//IL_0046: Unknown result type (might be due to invalid IL or missing references)
			if ((int)playbackState == 1)
			{
				playbackState = (PlaybackState)2;
				MmResult val;
				lock (waveOutLock)
				{
					val = WaveInterop.waveOutPause(hWaveOut);
				}
				if ((int)val != 0)
				{
					throw new MmException(val, "waveOutPause");
				}
			}
		}

		private void Resume()
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			//IL_0009: Invalid comparison between Unknown and I4
			//IL_0022: Unknown result type (might be due to invalid IL or missing references)
			//IL_0027: Unknown result type (might be due to invalid IL or missing references)
			//IL_0034: Unknown result type (might be due to invalid IL or missing references)
			//IL_0045: Unknown result type (might be due to invalid IL or missing references)
			//IL_0037: Unknown result type (might be due to invalid IL or missing references)
			//IL_003d: Unknown result type (might be due to invalid IL or missing references)
			if ((int)playbackState == 2)
			{
				MmResult val;
				lock (waveOutLock)
				{
					val = WaveInterop.waveOutRestart(hWaveOut);
				}
				if ((int)val != 0)
				{
					throw new MmException(val, "waveOutRestart");
				}
				playbackState = (PlaybackState)1;
			}
		}

		public void Stop()
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			//IL_000c: Unknown result type (might be due to invalid IL or missing references)
			//IL_002a: Unknown result type (might be due to invalid IL or missing references)
			//IL_002f: Unknown result type (might be due to invalid IL or missing references)
			//IL_003c: Unknown result type (might be due to invalid IL or missing references)
			//IL_003f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0045: Unknown result type (might be due to invalid IL or missing references)
			if ((int)playbackState != 0)
			{
				playbackState = (PlaybackState)0;
				MmResult val;
				lock (waveOutLock)
				{
					val = WaveInterop.waveOutReset(hWaveOut);
				}
				if ((int)val != 0)
				{
					throw new MmException(val, "waveOutReset");
				}
				callbackEvent.Set();
			}
		}

		public long GetPosition()
		{
			return WaveOutUtils.GetPositionBytes(hWaveOut, waveOutLock);
		}

		public void Dispose()
		{
			GC.SuppressFinalize(this);
			Dispose(disposing: true);
		}

		protected void Dispose(bool disposing)
		{
			Stop();
			if (disposing)
			{
				DisposeBuffers();
			}
			CloseWaveOut();
		}

		private void CloseWaveOut()
		{
			//IL_0043: Unknown result type (might be due to invalid IL or missing references)
			if (callbackEvent != null)
			{
				callbackEvent.Close();
				callbackEvent = null;
			}
			lock (waveOutLock)
			{
				if (hWaveOut != IntPtr.Zero)
				{
					WaveInterop.waveOutClose(hWaveOut);
					hWaveOut = IntPtr.Zero;
				}
			}
		}

		private void DisposeBuffers()
		{
			if (buffers != null)
			{
				WaveOutBuffer[] array = buffers;
				for (int i = 0; i < array.Length; i++)
				{
					array[i].Dispose();
				}
				buffers = null;
			}
		}

		~WaveOutEvent()
		{
			Dispose(disposing: false);
		}

		private void RaisePlaybackStoppedEvent(Exception e)
		{
			//IL_003d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0047: Expected O, but got Unknown
			EventHandler<StoppedEventArgs> handler = this.PlaybackStopped;
			if (handler == null)
			{
				return;
			}
			if (syncContext == null)
			{
				handler(this, new StoppedEventArgs(e));
				return;
			}
			syncContext.Post(delegate
			{
				//IL_0012: Unknown result type (might be due to invalid IL or missing references)
				//IL_001c: Expected O, but got Unknown
				handler(this, new StoppedEventArgs(e));
			}, null);
		}
	}
	public static class WaveOutUtils
	{
		public static float GetWaveOutVolume(IntPtr hWaveOut, object lockObject)
		{
			//IL_000f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0014: Unknown result type (might be due to invalid IL or missing references)
			//IL_0021: Unknown result type (might be due to invalid IL or missing references)
			MmResult val;
			int dwVolume;
			lock (lockObject)
			{
				val = WaveInterop.waveOutGetVolume(hWaveOut, out dwVolume);
			}
			MmException.Try(val, "waveOutGetVolume");
			return (float)(dwVolume & 0xFFFF) / 65535f;
		}

		public static void SetWaveOutVolume(float value, IntPtr hWaveOut, object lockObject)
		{
			//IL_0056: Unknown result type (might be due to invalid IL or missing references)
			//IL_005b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0069: Unknown result type (might be due to invalid IL or missing references)
			if (value < 0f)
			{
				throw new ArgumentOutOfRangeException("value", "Volume must be between 0.0 and 1.0");
			}
			if (value > 1f)
			{
				throw new ArgumentOutOfRangeException("value", "Volume must be between 0.0 and 1.0");
			}
			int dwVolume = (int)(value * 65535f) + ((int)(value * 65535f) << 16);
			MmResult val;
			lock (lockObject)
			{
				val = WaveInterop.waveOutSetVolume(hWaveOut, dwVolume);
			}
			MmException.Try(val, "waveOutSetVolume");
		}

		public static long GetPositionBytes(IntPtr hWaveOut, object lockObject)
		{
			//IL_0025: Unknown result type (might be due to invalid IL or missing references)
			lock (lockObject)
			{
				MmTime mmTime = default(MmTime);
				mmTime.wType = 4u;
				MmException.Try(WaveInterop.waveOutGetPosition(hWaveOut, ref mmTime, Marshal.SizeOf(mmTime)), "waveOutGetPosition");
				if (mmTime.wType != 4)
				{
					throw new Exception($"waveOutGetPosition: wType -> Expected {4}, Received {mmTime.wType}");
				}
				return mmTime.cb;
			}
		}
	}
}
namespace NAudio.Wave.Compression
{
	public class AcmDriver : IDisposable
	{
		private static List<AcmDriver> drivers;

		private AcmDriverDetails details;

		private IntPtr driverId;

		private IntPtr driverHandle;

		private List<AcmFormatTag> formatTags;

		private List<AcmFormat> tempFormatsList;

		private IntPtr localDllHandle;

		public int MaxFormatSize
		{
			get
			{
				//IL_000a: Unknown result type (might be due to invalid IL or missing references)
				MmException.Try(AcmInterop.acmMetrics(driverHandle, AcmMetrics.MaxSizeFormat, out var output), "acmMetrics");
				return output;
			}
		}

		public string ShortName => details.shortName;

		public string LongName => details.longName;

		public IntPtr DriverId => driverId;

		public IEnumerable<AcmFormatTag> FormatTags
		{
			get
			{
				//IL_005f: Unknown result type (might be due to invalid IL or missing references)
				if (formatTags == null)
				{
					if (driverHandle == IntPtr.Zero)
					{
						throw new InvalidOperationException("Driver must be opened first");
					}
					formatTags = new List<AcmFormatTag>();
					AcmFormatTagDetails formatTagDetails = default(AcmFormatTagDetails);
					formatTagDetails.structureSize = Marshal.SizeOf(formatTagDetails);
					MmException.Try(AcmInterop.acmFormatTagEnum(driverHandle, ref formatTagDetails, AcmFormatTagEnumCallback, IntPtr.Zero, 0), "acmFormatTagEnum");
				}
				return formatTags;
			}
		}

		public static bool IsCodecInstalled(string shortName)
		{
			foreach (AcmDriver item in EnumerateAcmDrivers())
			{
				if (item.ShortName == shortName)
				{
					return true;
				}
			}
			return false;
		}

		public static AcmDriver AddLocalDriver(string driverFile)
		{
			//IL_0050: Unknown result type (might be due to invalid IL or missing references)
			//IL_0055: Unknown result type (might be due to invalid IL or missing references)
			//IL_0056: Unknown result type (might be due to invalid IL or missing references)
			//IL_0060: Unknown result type (might be due to invalid IL or missing references)
			//IL_0066: Unknown result type (might be due to invalid IL or missing references)
			IntPtr intPtr = NativeMethods.LoadLibrary(driverFile);
			if (intPtr == IntPtr.Zero)
			{
				throw new ArgumentException("Failed to load driver file");
			}
			IntPtr procAddress = NativeMethods.GetProcAddress(intPtr, "DriverProc");
			if (procAddress == IntPtr.Zero)
			{
				NativeMethods.FreeLibrary(intPtr);
				throw new ArgumentException("Failed to discover DriverProc");
			}
			IntPtr hAcmDriver;
			MmResult val = AcmInterop.acmDriverAdd(out hAcmDriver, intPtr, procAddress, 0, AcmDriverAddFlags.Function);
			if ((int)val != 0)
			{
				NativeMethods.FreeLibrary(intPtr);
				throw new MmException(val, "acmDriverAdd");
			}
			AcmDriver acmDriver = new AcmDriver(hAcmDriver);
			if (string.IsNullOrEmpty(acmDriver.details.longName))
			{
				acmDriver.details.longName = "Local driver: " + Path.GetFileName(driverFile);
				acmDriver.localDllHandle = intPtr;
			}
			return acmDriver;
		}

		public static void RemoveLocalDriver(AcmDriver localDriver)
		{
			//IL_0024: Unknown result type (might be due to invalid IL or missing references)
			if (localDriver.localDllHandle == IntPtr.Zero)
			{
				throw new ArgumentException("Please pass in the AcmDriver returned by the AddLocalDriver method");
			}
			MmResult val = AcmInterop.acmDriverRemove(localDriver.driverId, 0);
			NativeMethods.FreeLibrary(localDriver.localDllHandle);
			MmException.Try(val, "acmDriverRemove");
		}

		public static bool ShowFormatChooseDialog(IntPtr ownerWindowHandle, string windowTitle, AcmFormatEnumFlags enumFlags, WaveFormat enumFormat, out WaveFormat selectedFormat, out string selectedFormatDescription, out string selectedFormatTagDescription)
		{
			//IL_0099: Unknown result type (might be due to invalid IL or missing references)
			//IL_009e: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ab: Unknown result type (might be due to invalid IL or missing references)
			//IL_00e4: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ea: Invalid comparison between Unknown and I4
			//IL_00fb: Unknown result type (might be due to invalid IL or missing references)
			//IL_00fd: Invalid comparison between Unknown and I4
			//IL_00ec: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ef: Unknown result type (might be due to invalid IL or missing references)
			//IL_00f5: Unknown result type (might be due to invalid IL or missing references)
			AcmFormatChoose formatChoose = default(AcmFormatChoose);
			formatChoose.structureSize = Marshal.SizeOf(formatChoose);
			formatChoose.styleFlags = AcmFormatChooseStyleFlags.None;
			formatChoose.ownerWindowHandle = ownerWindowHandle;
			int num = 200;
			formatChoose.selectedWaveFormatPointer = Marshal.AllocHGlobal(num);
			formatChoose.selectedWaveFormatByteSize = num;
			formatChoose.title = windowTitle;
			formatChoose.name = null;
			formatChoose.formatEnumFlags = enumFlags;
			formatChoose.waveFormatEnumPointer = IntPtr.Zero;
			if (enumFormat != null)
			{
				IntPtr intPtr = Marshal.AllocHGlobal(Marshal.SizeOf<WaveFormat>(enumFormat));
				Marshal.StructureToPtr<WaveFormat>(enumFormat, intPtr, fDeleteOld: false);
				formatChoose.waveFormatEnumPointer = intPtr;
			}
			formatChoose.instanceHandle = IntPtr.Zero;
			formatChoose.templateName = null;
			MmResult val = AcmInterop.acmFormatChoose(ref formatChoose);
			selectedFormat = null;
			selectedFormatDescription = null;
			selectedFormatTagDescription = null;
			if ((int)val == 0)
			{
				selectedFormat = WaveFormat.MarshalFromPtr(formatChoose.selectedWaveFormatPointer);
				selectedFormatDescription = formatChoose.formatDescription;
				selectedFormatTagDescription = formatChoose.formatTagDescription;
			}
			Marshal.FreeHGlobal(formatChoose.waveFormatEnumPointer);
			Marshal.FreeHGlobal(formatChoose.selectedWaveFormatPointer);
			if ((int)val != 515 && (int)val != 0)
			{
				throw new MmException(val, "acmFormatChoose");
			}
			return (int)val == 0;
		}

		public static AcmDriver FindByShortName(string shortName)
		{
			foreach (AcmDriver item in EnumerateAcmDrivers())
			{
				if (item.ShortName == shortName)
				{
					return item;
				}
			}
			return null;
		}

		public static IEnumerable<AcmDriver> EnumerateAcmDrivers()
		{
			//IL_001c: Unknown result type (might be due to invalid IL or missing references)
			drivers = new List<AcmDriver>();
			MmException.Try(AcmInterop.acmDriverEnum(DriverEnumCallback, IntPtr.Zero, (AcmDriverEnumFlags)0), "acmDriverEnum");
			return drivers;
		}

		private static bool DriverEnumCallback(IntPtr hAcmDriver, IntPtr dwInstance, AcmDriverDetailsSupportFlags flags)
		{
			drivers.Add(new AcmDriver(hAcmDriver));
			return true;
		}

		private AcmDriver(IntPtr hAcmDriver)
		{
			//IL_0037: Unknown result type (might be due to invalid IL or missing references)
			driverId = hAcmDriver;
			details = default(AcmDriverDetails);
			details.structureSize = Marshal.SizeOf(details);
			MmException.Try(AcmInterop.acmDriverDetails(hAcmDriver, ref details, 0), "acmDriverDetails");
		}

		public override string ToString()
		{
			return LongName;
		}

		public IEnumerable<AcmFormat> GetFormats(AcmFormatTag formatTag)
		{
			//IL_005e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0068: Expected I4, but got Unknown
			//IL_0082: Unknown result type (might be due to invalid IL or missing references)
			if (driverHandle == IntPtr.Zero)
			{
				throw new InvalidOperationException("Driver must be opened first");
			}
			tempFormatsList = new List<AcmFormat>();
			AcmFormatDetails formatDetails = default(AcmFormatDetails);
			formatDetails.structSize = Marshal.SizeOf(formatDetails);
			formatDetails.waveFormatByteSize = 1024;
			formatDetails.waveFormatPointer = Marshal.AllocHGlobal(formatDetails.waveFormatByteSize);
			formatDetails.formatTag = (int)formatTag.FormatTag;
			MmResult val = AcmInterop.acmFormatEnum(driverHandle, ref formatDetails, AcmFormatEnumCallback, IntPtr.Zero, AcmFormatEnumFlags.None);
			Marshal.FreeHGlobal(formatDetails.waveFormatPointer);
			MmException.Try(val, "acmFormatEnum");
			return tempFormatsList;
		}

		public void Open()
		{
			//IL_001f: Unknown result type (might be due to invalid IL or missing references)
			if (driverHandle == IntPtr.Zero)
			{
				MmException.Try(AcmInterop.acmDriverOpen(out driverHandle, DriverId, 0), "acmDriverOpen");
			}
		}

		public void Close()
		{
			//IL_0019: Unknown result type (might be due to invalid IL or missing references)
			if (driverHandle != IntPtr.Zero)
			{
				MmException.Try(AcmInterop.acmDriverClose(driverHandle, 0), "acmDriverClose");
				driverHandle = IntPtr.Zero;
			}
		}

		private bool AcmFormatTagEnumCallback(IntPtr hAcmDriverId, ref AcmFormatTagDetails formatTagDetails, IntPtr dwInstance, AcmDriverDetailsSupportFlags flags)
		{
			formatTags.Add(new AcmFormatTag(formatTagDetails));
			return true;
		}

		private bool AcmFormatEnumCallback(IntPtr hAcmDriverId, ref AcmFormatDetails formatDetails, IntPtr dwInstance, AcmDriverDetailsSupportFlags flags)
		{
			tempFormatsList.Add(new AcmFormat(formatDetails));
			return true;
		}

		public void Dispose()
		{
			if (driverHandle != IntPtr.Zero)
			{
				Close();
				GC.SuppressFinalize(this);
			}
		}
	}
	internal enum AcmDriverAddFlags
	{
		Local = 0,
		Global = 8,
		Function = 3,
		NotifyWindowHandle = 4
	}
	[StructLayout(LayoutKind.Sequential, Pack = 2)]
	internal struct AcmDriverDetails
	{
		public int structureSize;

		public uint fccType;

		public uint fccComp;

		public ushort manufacturerId;

		public ushort productId;

		public uint acmVersion;

		public uint driverVersion;

		public AcmDriverDetailsSupportFlags supportFlags;

		public int formatTagsCount;

		public int filterTagsCount;

		public IntPtr hicon;

		[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
		public string shortName;

		[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
		public string longName;

		[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 80)]
		public string copyright;

		[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
		public string licensing;

		[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 512)]
		public string features;

		private const int ShortNameChars = 32;

		private const int LongNameChars = 128;

		private const int CopyrightChars = 80;

		private const int LicensingChars = 128;

		private const int FeaturesChars = 512;
	}
	[Flags]
	public enum AcmDriverDetailsSupportFlags
	{
		Codec = 1,
		Converter = 2,
		Filter = 4,
		Hardware = 8,
		Async = 0x10,
		Local = 0x40000000,
		Disabled = int.MinValue
	}
	[Flags]
	internal enum AcmDriverEnumFlags
	{
		NoLocal = 0x40000000,
		Disabled = int.MinValue
	}
	public class AcmFormat
	{
		private readonly AcmFormatDetails formatDetails;

		public int FormatIndex => formatDetails.formatIndex;

		public WaveFormatEncoding FormatTag => (WaveFormatEncoding)(ushort)formatDetails.formatTag;

		public AcmDriverDetailsSupportFlags SupportFlags => formatDetails.supportFlags;

		public WaveFormat WaveFormat { get; private set; }

		public int WaveFormatByteSize => formatDetails.waveFormatByteSize;

		public string FormatDescription => formatDetails.formatDescription;

		internal AcmFormat(AcmFormatDetails formatDetails)
		{
			this.formatDetails = formatDetails;
			WaveFormat = WaveFormat.MarshalFromPtr(formatDetails.waveFormatPointer);
		}
	}
	[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto, Pack = 4)]
	internal struct AcmFormatChoose
	{
		public int structureSize;

		public AcmFormatChooseStyleFlags styleFlags;

		public IntPtr ownerWindowHandle;

		public IntPtr selectedWaveFormatPointer;

		public int selectedWaveFormatByteSize;

		[MarshalAs(UnmanagedType.LPTStr)]
		public string title;

		[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 48)]
		public string formatTagDescription;

		[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
		public string formatDescription;

		[MarshalAs(UnmanagedType.LPTStr)]
		public string name;

		public int nameByteSize;

		public AcmFormatEnumFlags formatEnumFlags;

		public IntPtr waveFormatEnumPointer;

		public IntPtr instanceHandle;

		[MarshalAs(UnmanagedType.LPTStr)]
		public string templateName;

		public IntPtr customData;

		public AcmInterop.AcmFormatChooseHookProc windowCallbackFunction;
	}
	[Flags]
	internal enum AcmFormatChooseStyleFlags
	{
		None = 0,
		ShowHelp = 4,
		EnableHook = 8,
		EnableTemplate = 0x10,
		EnableTemplateHandle = 0x20,
		InitToWfxStruct = 0x40,
		ContextHelp = 0x80
	}
	[StructLayout(LayoutKind.Sequential, Pack = 4)]
	internal struct AcmFormatDetails
	{
		public int structSize;

		public int formatIndex;

		public int formatTag;

		public AcmDriverDetailsSupportFlags supportFlags;

		public IntPtr waveFormatPointer;

		public int waveFormatByteSize;

		[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
		public string formatDescription;

		public const int FormatDescriptionChars = 128;
	}
	[Flags]
	public enum AcmFormatEnumFlags
	{
		None = 0,
		Convert = 0x100000,
		Hardware = 0x400000,
		Input = 0x800000,
		Channels = 0x20000,
		SamplesPerSecond = 0x40000,
		Output = 0x1000000,
		Suggest = 0x200000,
		BitsPerSample = 0x80000,
		FormatTag = 0x10000
	}
	[Flags]
	internal enum AcmFormatSuggestFlags
	{
		FormatTag = 0x10000,
		Channels = 0x20000,
		SamplesPerSecond = 0x40000,
		BitsPerSample = 0x80000,
		TypeMask = 0xFF0000
	}
	public class AcmFormatTag
	{
		private AcmFormatTagDetails formatTagDetails;

		public int FormatTagIndex => formatTagDetails.formatTagIndex;

		public WaveFormatEncoding FormatTag => (WaveFormatEncoding)(ushort)formatTagDetails.formatTag;

		public int FormatSize => formatTagDetails.formatSize;

		public AcmDriverDetailsSupportFlags SupportFlags => formatTagDetails.supportFlags;

		public int StandardFormatsCount => formatTagDetails.standardFormatsCount;

		public string FormatDescription => formatTagDetails.formatDescription;

		internal AcmFormatTag(AcmFormatTagDetails formatTagDetails)
		{
			this.formatTagDetails = formatTagDetails;
		}
	}
	internal struct AcmFormatTagDetails
	{
		public int structureSize;

		public int formatTagIndex;

		public int formatTag;

		public int formatSize;

		public AcmDriverDetailsSupportFlags supportFlags;

		public int standardFormatsCount;

		[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 48)]
		public string formatDescription;

		public const int FormatTagDescriptionChars = 48;
	}
	internal class AcmInterop
	{
		public delegate bool AcmDriverEnumCallback(IntPtr hAcmDriverId, IntPtr instance, AcmDriverDetailsSupportFlags flags);

		public delegate bool AcmFormatEnumCallback(IntPtr hAcmDriverId, ref AcmFormatDetails formatDetails, IntPtr dwInstance, AcmDriverDetailsSupportFlags flags);

		public delegate bool AcmFormatTagEnumCallback(IntPtr hAcmDriverId, ref AcmFormatTagDetails formatTagDetails, IntPtr dwInstance, AcmDriverDetailsSupportFlags flags);

		public delegate bool AcmFormatChooseHookProc(IntPtr windowHandle, int message, IntPtr wParam, IntPtr lParam);

		[DllImport("msacm32.dll")]
		public static extern MmResult acmDriverAdd(out IntPtr driverHandle, IntPtr driverModule, IntPtr driverFunctionAddress, int priority, AcmDriverAddFlags flags);

		[DllImport("msacm32.dll")]
		public static extern MmResult acmDriverRemove(IntPtr driverHandle, int removeFlags);

		[DllImport("Msacm32.dll")]
		public static extern MmResult acmDriverClose(IntPtr hAcmDriver, int closeFlags);

		[DllImport("Msacm32.dll")]
		public static extern MmResult acmDriverEnum(AcmDriverEnumCallback fnCallback, IntPtr dwInstance, AcmDriverEnumFlags flags);

		[DllImport("Msacm32.dll")]
		public static extern MmResult acmDriverDetails(IntPtr hAcmDriver, ref AcmDriverDetails driverDetails, int reserved);

		[DllImport("Msacm32.dll")]
		public static extern MmResult acmDriverOpen(out IntPtr pAcmDriver, IntPtr hAcmDriverId, int openFlags);

		[DllImport("Msacm32.dll", EntryPoint = "acmFormatChooseW")]
		public static extern MmResult acmFormatChoose(ref AcmFormatChoose formatChoose);

		[DllImport("Msacm32.dll")]
		public static extern MmResult acmFormatEnum(IntPtr hAcmDriver, ref AcmFormatDetails formatDetails, AcmFormatEnumCallback callback, IntPtr instance, AcmFormatEnumFlags flags);

		[DllImport("Msacm32.dll", EntryPoint = "acmFormatSuggest")]
		public static extern MmResult acmFormatSuggest2(IntPtr hAcmDriver, IntPtr sourceFormatPointer, IntPtr destFormatPointer, int sizeDestFormat, AcmFormatSuggestFlags suggestFlags);

		[DllImport("Msacm32.dll")]
		public static extern MmResult acmFormatTagEnum(IntPtr hAcmDriver, ref AcmFormatTagDetails formatTagDetails, AcmFormatTagEnumCallback callback, IntPtr instance, int reserved);

		[DllImport("Msacm32.dll")]
		public static extern MmResult acmMetrics(IntPtr hAcmObject, AcmMetrics metric, out int output);

		[DllImport("Msacm32.dll", EntryPoint = "acmStreamOpen")]
		public static extern MmResult acmStreamOpen2(out IntPtr hAcmStream, IntPtr hAcmDriver, IntPtr sourceFormatPointer, IntPtr destFormatPointer, [In] WaveFilter waveFilter, IntPtr callback, IntPtr instance, AcmStreamOpenFlags openFlags);

		[DllImport("Msacm32.dll")]
		public static extern MmResult acmStreamClose(IntPtr hAcmStream, int closeFlags);

		[DllImport("Msacm32.dll")]
		public static extern MmResult acmStreamConvert(IntPtr hAcmStream, [In][Out] AcmStreamHeaderStruct streamHeader, AcmStreamConvertFlags streamConvertFlags);

		[DllImport("Msacm32.dll")]
		public static extern MmResult acmStreamPrepareHeader(IntPtr hAcmStream, [In][Out] AcmStreamHeaderStruct streamHeader, int prepareFlags);

		[DllImport("Msacm32.dll")]
		public static extern MmResult acmStreamReset(IntPtr hAcmStream, int resetFlags);

		[DllImport("Msacm32.dll")]
		public static extern MmResult acmStreamSize(IntPtr hAcmStream, int inputBufferSize, out int outputBufferSize, AcmStreamSizeFlags flags);

		[DllImport("Msacm32.dll")]
		public static extern MmResult acmStreamUnprepareHeader(IntPtr hAcmStream, [In][Out] AcmStreamHeaderStruct streamHeader, int flags);
	}
	public class AcmStream : IDisposable
	{
		private IntPtr streamHandle;

		private IntPtr driverHandle;

		private AcmStreamHeader streamHeader;

		private readonly WaveFormat sourceFormat;

		public byte[] SourceBuffer => streamHeader.SourceBuffer;

		public byte[] DestBuffer => streamHeader.DestBuffer;

		public AcmStream(WaveFormat sourceFormat, WaveFormat destFormat)
		{
			//IL_005b: Unknown result type (might be due to invalid IL or missing references)
			try
			{
				streamHandle = IntPtr.Zero;
				this.sourceFormat = sourceFormat;
				int num = Math.Max(65536, sourceFormat.AverageBytesPerSecond);
				num -= num % sourceFormat.BlockAlign;
				IntPtr intPtr = WaveFormat.MarshalToPtr(sourceFormat);
				IntPtr intPtr2 = WaveFormat.MarshalToPtr(destFormat);
				try
				{
					MmException.Try(AcmInterop.acmStreamOpen2(out streamHandle, IntPtr.Zero, intPtr, intPtr2, null, IntPtr.Zero, IntPtr.Zero, AcmStreamOpenFlags.NonRealTime), "acmStreamOpen");
				}
				finally
				{
					Marshal.FreeHGlobal(intPtr);
					Marshal.FreeHGlobal(intPtr2);
				}
				int destBufferLength = SourceToDest(num);
				streamHeader = new AcmStreamHeader(streamHandle, num, destBufferLength);
				driverHandle = IntPtr.Zero;
			}
			catch
			{
				Dispose();
				throw;
			}
		}

		public AcmStream(IntPtr driverId, WaveFormat sourceFormat, WaveFilter waveFilter)
		{
			//IL_0031: Unknown result type (might be due to invalid IL or missing references)
			//IL_0061: Unknown result type (might be due to invalid IL or missing references)
			int num = Math.Max(16384, sourceFormat.AverageBytesPerSecond);
			this.sourceFormat = sourceFormat;
			num -= num % sourceFormat.BlockAlign;
			MmException.Try(AcmInterop.acmDriverOpen(out driverHandle, driverId, 0), "acmDriverOpen");
			IntPtr intPtr = WaveFormat.MarshalToPtr(sourceFormat);
			try
			{
				MmException.Try(AcmInterop.acmStreamOpen2(out streamHandle, driverHandle, intPtr, intPtr, waveFilter, IntPtr.Zero, IntPtr.Zero, AcmStreamOpenFlags.NonRealTime), "acmStreamOpen");
			}
			finally
			{
				Marshal.FreeHGlobal(intPtr);
			}
			streamHeader = new AcmStreamHeader(streamHandle, num, SourceToDest(num));
		}

		public int SourceToDest(int source)
		{
			//IL_000f: Unknown result type (might be due to invalid IL or missing references)
			if (source == 0)
			{
				return 0;
			}
			MmException.Try(AcmInterop.acmStreamSize(streamHandle, source, out var outputBufferSize, AcmStreamSizeFlags.Source), "acmStreamSize");
			return outputBufferSize;
		}

		public int DestToSource(int dest)
		{
			//IL_000f: Unknown result type (might be due to invalid IL or missing references)
			if (dest == 0)
			{
				return 0;
			}
			MmException.Try(AcmInterop.acmStreamSize(streamHandle, dest, out var outputBufferSize, AcmStreamSizeFlags.Destination), "acmStreamSize");
			return outputBufferSize;
		}

		public static WaveFormat SuggestPcmFormat(WaveFormat compressedFormat)
		{
			//IL_000e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0014: Expected O, but got Unknown
			//IL_0034: Unknown result type (might be due to invalid IL or missing references)
			WaveFormat val = new WaveFormat(compressedFormat.SampleRate, 16, compressedFormat.Channels);
			IntPtr intPtr = WaveFormat.MarshalToPtr(val);
			IntPtr intPtr2 = WaveFormat.MarshalToPtr(compressedFormat);
			try
			{
				MmResult val2 = AcmInterop.acmFormatSuggest2(IntPtr.Zero, intPtr2, intPtr, Marshal.SizeOf<WaveFormat>(val), AcmFormatSuggestFlags.FormatTag);
				val = WaveFormat.MarshalFromPtr(intPtr);
				MmException.Try(val2, "acmFormatSuggest");
				return val;
			}
			finally
			{
				Marshal.FreeHGlobal(intPtr);
				Marshal.FreeHGlobal(intPtr2);
			}
		}

		public void Reposition()
		{
			streamHeader.Reposition();
		}

		public int Convert(int bytesToConvert, out int sourceBytesConverted)
		{
			if (bytesToConvert % sourceFormat.BlockAlign != 0)
			{
				bytesToConvert -= bytesToConvert % sourceFormat.BlockAlign;
			}
			return streamHeader.Convert(bytesToConvert, out sourceBytesConverted);
		}

		[Obsolete("Call the version returning sourceBytesConverted instead")]
		public int Convert(int bytesToConvert)
		{
			//IL_0013: Unknown result type (might be due to invalid IL or missing references)
			int sourceBytesConverted;
			int result = Convert(bytesToConvert, out sourceBytesConverted);
			if (sourceBytesConverted != bytesToConvert)
			{
				throw new MmException((MmResult)8, "AcmStreamHeader.Convert didn't convert everything");
			}
			return result;
		}

		public void Dispose()
		{
			Dispose(disposing: true);
			GC.SuppressFinalize(this);
		}

		protected virtual void Dispose(bool disposing)
		{
			//IL_0036: Unknown result type (might be due to invalid IL or missing references)
			//IL_003b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0047: Unknown result type (might be due to invalid IL or missing references)
			//IL_006f: Unknown result type (might be due to invalid IL or missing references)
			//IL_004a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0050: Unknown result type (might be due to invalid IL or missing references)
			if (disposing && streamHeader != null)
			{
				streamHeader.Dispose();
				streamHeader = null;
			}
			if (streamHandle != IntPtr.Zero)
			{
				MmResult val = AcmInterop.acmStreamClose(streamHandle, 0);
				streamHandle = IntPtr.Zero;
				if ((int)val != 0)
				{
					throw new MmException(val, "acmStreamClose");
				}
			}
			if (driverHandle != IntPtr.Zero)
			{
				AcmInterop.acmDriverClose(driverHandle, 0);
				driverHandle = IntPtr.Zero;
			}
		}

		~AcmStream()
		{
			Dispose(disposing: false);
		}
	}
	internal class AcmStreamHeader : IDisposable
	{
		private AcmStreamHeaderStruct streamHeader;

		private GCHandle hSourceBuffer;

		private GCHandle hDestBuffer;

		private IntPtr streamHandle;

		private bool firstTime;

		private bool disposed;

		public byte[] SourceBuffer { get; private set; }

		public byte[] DestBuffer { get; private set; }

		public AcmStreamHeader(IntPtr streamHandle, int sourceBufferLength, int destBufferLength)
		{
			streamHeader = new AcmStreamHeaderStruct();
			SourceBuffer = new byte[sourceBufferLength];
			hSourceBuffer = GCHandle.Alloc(SourceBuffer, GCHandleType.Pinned);
			DestBuffer = new byte[destBufferLength];
			hDestBuffer = GCHandle.Alloc(DestBuffer, GCHandleType.Pinned);
			this.streamHandle = streamHandle;
			firstTime = true;
		}

		private void Prepare()
		{
			//IL_0075: Unknown result type (might be due to invalid IL or missing references)
			streamHeader.cbStruct = Marshal.SizeOf(streamHeader);
			streamHeader.sourceBufferLength = SourceBuffer.Length;
			streamHeader.sourceBufferPointer = hSourceBuffer.AddrOfPinnedObject();
			streamHeader.destBufferLength = DestBuffer.Length;
			streamHeader.destBufferPointer = hDestBuffer.AddrOfPinnedObject();
			MmException.Try(AcmInterop.acmStreamPrepareHeader(streamHandle, streamHeader, 0), "acmStreamPrepareHeader");
		}

		private void Unprepare()
		{
			//IL_005f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0064: Unknown result type (might be due to invalid IL or missing references)
			//IL_0065: Unknown result type (might be due to invalid IL or missing references)
			//IL_0068: Unknown result type (might be due to invalid IL or missing references)
			//IL_006e: Unknown result type (might be due to invalid IL or missing references)
			streamHeader.sourceBufferLength = SourceBuffer.Length;
			streamHeader.sourceBufferPointer = hSourceBuffer.AddrOfPinnedObject();
			streamHeader.destBufferLength = DestBuffer.Length;
			streamHeader.destBufferPointer = hDestBuffer.AddrOfPinnedObject();
			MmResult val = AcmInterop.acmStreamUnprepareHeader(streamHandle, streamHeader, 0);
			if ((int)val != 0)
			{
				throw new MmException(val, "acmStreamUnprepareHeader");
			}
		}

		public void Reposition()
		{
			firstTime = true;
		}

		public int Convert(int bytesToConvert, out int sourceBytesConverted)
		{
			//IL_0039: Unknown result type (might be due to invalid IL or missing references)
			Prepare();
			try
			{
				streamHeader.sourceBufferLength = bytesToConvert;
				streamHeader.sourceBufferLengthUsed = bytesToConvert;
				AcmStreamConvertFlags streamConvertFlags = (firstTime ? (AcmStreamConvertFlags.BlockAlign | AcmStreamConvertFlags.Start) : AcmStreamConvertFlags.BlockAlign);
				MmException.Try(AcmInterop.acmStreamConvert(streamHandle, streamHeader, streamConvertFlags), "acmStreamConvert");
				firstTime = false;
				sourceBytesConverted = streamHeader.sourceBufferLengthUsed;
			}
			finally
			{
				Unprepare();
			}
			return streamHeader.destBufferLengthUsed;
		}

		public void Dispose()
		{
			GC.SuppressFinalize(this);
			Dispose(disposing: true);
		}

		protected virtual void Dispose(bool disposing)
		{
			if (!disposed)
			{
				SourceBuffer = null;
				DestBuffer = null;
				hSourceBuffer.Free();
				hDestBuffer.Free();
			}
			disposed = true;
		}

		~AcmStreamHeader()
		{
			Dispose(disposing: false);
		}
	}
	[Flags]
	internal enum AcmStreamHeaderStatusFlags
	{
		Done = 0x10000,
		Prepared = 0x20000,
		InQueue = 0x100000
	}
	[StructLayout(LayoutKind.Sequential, Size = 128)]
	internal class AcmStreamHeaderStruct
	{
		public int cbStruct;

		public AcmStreamHeaderStatusFlags fdwStatus;

		public IntPtr userData;

		public IntPtr sourceBufferPointer;

		public int sourceBufferLength;

		public int sourceBufferLengthUsed;

		public IntPtr sourceUserData;

		public IntPtr destBufferPointer;

		public int destBufferLength;

		public int destBufferLengthUsed;

		public IntPtr destUserData;
	}
	[Flags]
	internal enum AcmStreamOpenFlags
	{
		Query = 1,
		Async = 2,
		NonRealTime = 4,
		CallbackTypeMask = 0x70000,
		CallbackNull = 0,
		CallbackWindow = 0x10000,
		CallbackTask = 0x20000,
		CallbackFunction = 0x30000,
		CallbackThread = 0x20000,
		CallbackEvent = 0x50000
	}
	internal enum AcmStreamSizeFlags
	{
		Source,
		Destination
	}
	[StructLayout(LayoutKind.Sequential)]
	public class WaveFilter
	{
		public int StructureSize = Marshal.SizeOf(typeof(WaveFilter));

		public int FilterTag;

		public int Filter;

		[MarshalAs(UnmanagedType.ByValArray, SizeConst = 5)]
		public int[] Reserved;
	}
}