using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Reflection;
using System.Reflection.Emit;
using System.Runtime.CompilerServices;
using System.Security;
using System.Security.Permissions;
using BepInEx;
using BepInEx.Configuration;
using BepInEx.Logging;
using FistVR;
using HarmonyLib;
using Microsoft.CodeAnalysis;
using UnityEngine;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: AssemblyCompany("Niko666")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyDescription("Gradually slower bullet loading speed as the magazine fills up, mimicking H3VR2 behavior.")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0")]
[assembly: AssemblyProduct("Niko666.DynamicMagazineBulletLoad")]
[assembly: AssemblyTitle("DynamicMagazineBulletLoad")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("1.0.0.0")]
[module: UnverifiableCode]
[module: RefSafetyRules(11)]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Embedded]
	[AttributeUsage(AttributeTargets.Module, AllowMultiple = false, Inherited = false)]
	internal sealed class RefSafetyRulesAttribute : Attribute
	{
		public readonly int Version;

		public RefSafetyRulesAttribute(int P_0)
		{
			Version = P_0;
		}
	}
}
namespace BepInEx
{
	[AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = false)]
	[Conditional("CodeGeneration")]
	internal sealed class BepInAutoPluginAttribute : Attribute
	{
		public BepInAutoPluginAttribute(string id = null, string name = null, string version = null)
		{
		}
	}
}
namespace BepInEx.Preloader.Core.Patching
{
	[AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = false)]
	[Conditional("CodeGeneration")]
	internal sealed class PatcherAutoPluginAttribute : Attribute
	{
		public PatcherAutoPluginAttribute(string id = null, string name = null, string version = null)
		{
		}
	}
}
namespace Niko666
{
	[BepInProcess("h3vr.exe")]
	[BepInPlugin("Niko666.DynamicMagazineBulletLoad", "DynamicMagazineBulletLoad", "1.0.0")]
	public class DynamicMagazineBulletLoad : BaseUnityPlugin
	{
		public ConfigEntry<float> configFastestLoadTime;

		public ConfigEntry<float> configSlowestLoadTime;

		private const float DefaultFastestLoadTime = 0.1f;

		private const float DefaultSlowestLoadTime = 0.5f;

		public const string Id = "Niko666.DynamicMagazineBulletLoad";

		public static DynamicMagazineBulletLoad Instance { get; private set; }

		internal static ManualLogSource Logger { get; private set; }

		public static string Name => "DynamicMagazineBulletLoad";

		public static string Version => "1.0.0";

		public void Awake()
		{
			Instance = this;
			Logger = ((BaseUnityPlugin)this).Logger;
			configFastestLoadTime = ((BaseUnityPlugin)this).Config.Bind<float>("General", "FastestLoadTime", 0.1f, "The fastest possible load time for magazines (when empty). H3VR default: 0.3s.");
			configSlowestLoadTime = ((BaseUnityPlugin)this).Config.Bind<float>("General", "SlowestLoadTime", 0.5f, "The slowest possible load time for magazines (when near full). H3VR default: 0.3s.");
			Harmony.CreateAndPatchAll(typeof(DynamicMagazineBulletLoadPatch), (string)null);
			Logger.LogMessage((object)("H3VR2 Release when? Sent from Niko666.DynamicMagazineBulletLoad " + Version));
		}
	}
	public static class MagazineLoadTimeCache
	{
		public static float GetLoadTime(FVRFireArmMagazine magazine)
		{
			if ((Object)(object)magazine == (Object)null)
			{
				return 0.3f;
			}
			if (magazine.m_capacity > 0)
			{
				return Mathf.Lerp(DynamicMagazineBulletLoad.Instance.configFastestLoadTime.Value, DynamicMagazineBulletLoad.Instance.configSlowestLoadTime.Value, (float)magazine.m_numRounds / (float)magazine.m_capacity);
			}
			return 0.3f;
		}
	}
	public class DynamicMagazineBulletLoadPatch
	{
		[HarmonyPatch(typeof(FVRFireArmRound), "FVRFixedUpdate")]
		[HarmonyTranspiler]
		private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions)
		{
			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
			//IL_0008: Expected O, but got Unknown
			//IL_0027: Unknown result type (might be due to invalid IL or missing references)
			//IL_002d: Expected O, but got Unknown
			//IL_007f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0089: Expected O, but got Unknown
			//IL_0097: Unknown result type (might be due to invalid IL or missing references)
			//IL_009d: Expected O, but got Unknown
			//IL_00b0: Unknown result type (might be due to invalid IL or missing references)
			//IL_00b6: Expected O, but got Unknown
			//IL_00dc: Unknown result type (might be due to invalid IL or missing references)
			//IL_00e2: Expected O, but got Unknown
			CodeMatcher val = new CodeMatcher(instructions, (ILGenerator)null);
			val.MatchForward(false, (CodeMatch[])(object)new CodeMatch[1]
			{
				new CodeMatch((OpCode?)OpCodes.Ldc_R4, (object)0.3f, (string)null)
			});
			if (val.IsInvalid)
			{
				DynamicMagazineBulletLoad.Logger.LogError((object)"Could not find the round loading speed instruction to patch!");
				return instructions;
			}
			FieldInfo field = typeof(FVRFireArmRound).GetField("m_hoverOverReloadTrigger", BindingFlags.Instance | BindingFlags.NonPublic);
			FieldInfo field2 = typeof(FVRFireArmMagazineReloadTrigger).GetField("Magazine");
			val.SetInstructionAndAdvance(new CodeInstruction(OpCodes.Ldarg_0, (object)null)).InsertAndAdvance((CodeInstruction[])(object)new CodeInstruction[1]
			{
				new CodeInstruction(OpCodes.Ldfld, (object)field)
			}).InsertAndAdvance((CodeInstruction[])(object)new CodeInstruction[1]
			{
				new CodeInstruction(OpCodes.Ldfld, (object)field2)
			})
				.InsertAndAdvance((CodeInstruction[])(object)new CodeInstruction[1]
				{
					new CodeInstruction(OpCodes.Call, (object)typeof(MagazineLoadTimeCache).GetMethod("GetLoadTime"))
				});
			return val.InstructionEnumeration();
		}

		[HarmonyPatch(typeof(SteamVR_LoadLevel), "Begin")]
		[HarmonyPrefix]
		public static bool BeginPatch()
		{
			((BaseUnityPlugin)DynamicMagazineBulletLoad.Instance).Config.Reload();
			return true;
		}
	}
}