using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Runtime.Versioning;
using BepInEx;
using BepInEx.Configuration;
using BepInEx.Logging;
using HarmonyLib;
using JetBrains.Annotations;
using Microsoft.CodeAnalysis;
using ServerSync;
using TMPro;
using UnityEngine;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: AssemblyTitle("SmartPickup")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("")]
[assembly: AssemblyProduct("SmartPickup")]
[assembly: AssemblyCopyright("Copyright ©  2025")]
[assembly: AssemblyTrademark("")]
[assembly: ComVisible(false)]
[assembly: Guid("1c4fa49b-2311-4587-a0a0-1095f2b4d1c3")]
[assembly: AssemblyFileVersion("1.0.11.0")]
[assembly: TargetFramework(".NETFramework,Version=v4.8", FrameworkDisplayName = ".NET Framework 4.8")]
[assembly: AssemblyVersion("1.0.11.0")]
namespace SmartAutopickupMod
{
	internal static class PluginInfo
	{
		internal const string Guid = "com.b0n3.smartpickup";

		internal const string LegacyGuid = "com.yourname.valheim.smartautopickup";

		internal const string Name = "SmartPickup";

		internal const string Version = "1.0.11";

		internal const string ModeMessagePrefix = "Auto-Pickup:";
	}
	public enum AutopickupMode
	{
		Normal,
		Smart,
		Off
	}
	[BepInPlugin("com.b0n3.smartpickup", "SmartPickup", "1.0.11")]
	public class SmartAutopickup : BaseUnityPlugin
	{
		internal static readonly ConfigSync ServerConfig = new ConfigSync("com.b0n3.smartpickup")
		{
			DisplayName = "SmartPickup",
			CurrentVersion = "1.0.11",
			MinimumRequiredVersion = "1.0.9",
			ModRequired = false
		};

		private const int MinPickupRange = 1;

		private const int MaxPickupRange = 100;

		private static readonly FieldInfo VanillaAutopickupEnabledField = AccessTools.Field(typeof(Player), "m_enableAutoPickup");

		private static readonly FieldInfo VanillaAutopickupRangeField = AccessTools.Field(typeof(Player), "m_autoPickupRange");

		private static Player trackedUpdatePlayer;

		private static bool trackedVanillaAutopickupState;

		private static bool hasWarnedMissingVanillaAutopickupField;

		private static bool hasWarnedMissingVanillaAutopickupRangeField;

		private static Player trackedRangePlayer;

		private static float trackedOriginalVanillaAutopickupRange;

		private static bool hasTrackedOriginalVanillaAutopickupRange;

		public static AutopickupMode CurrentMode;

		public static ManualLogSource Log;

		public static ConfigEntry<AutopickupMode> DefaultMode;

		public static ConfigEntry<int> PickupRange;

		public static ConfigEntry<bool> ApplyCustomRangeInNormalMode;

		public static ConfigEntry<bool> PickUpUndiscoveredItems;

		private const string LegacyMigrationMarkerFileName = "com.b0n3.smartpickup.migrated";

		private void Awake()
		{
			//IL_002d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0037: Expected O, but got Unknown
			//IL_005f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0069: Expected O, but got Unknown
			//IL_01c6: Unknown result type (might be due to invalid IL or missing references)
			//IL_01cc: Expected O, but got Unknown
			Log = ((BaseUnityPlugin)this).Logger;
			NormalizePickupRangeConfigIfNeeded();
			DefaultMode = ((BaseUnityPlugin)this).Config.Bind<AutopickupMode>("General", "DefaultMode", AutopickupMode.Normal, new ConfigDescription("Default autopickup mode at startup. Changing it at runtime also applies it immediately.", (AcceptableValueBase)null, Array.Empty<object>()));
			PickupRange = ((BaseUnityPlugin)this).Config.Bind<int>("General", "PickupRange", 5, new ConfigDescription("Pickup range for smart mode in whole game units. Valid values are 1 through 100.", (AcceptableValueBase)(object)new AcceptableValueRange<int>(1, 100), Array.Empty<object>()));
			ApplyCustomRangeInNormalMode = ((BaseUnityPlugin)this).Config.Bind<bool>("General", "ApplyCustomRangeInNormalMode", false, "When enabled, normal mode uses SmartPickup's configurable pull range instead of Valheim's default autopickup range.");
			PickUpUndiscoveredItems = ((BaseUnityPlugin)this).Config.Bind<bool>("General", "PickUpUndiscoveredItems", false, "When enabled, smart mode also picks up item types this character has never discovered, even if none are in the inventory. Uses Valheim's saved discovery history. Applies immediately and stays local to this client.");
			TryImportLegacyConfigValues();
			DefaultMode.SettingChanged += OnDefaultModeChanged;
			PickupRange.SettingChanged += OnPickupRangeChanged;
			ApplyCustomRangeInNormalMode.SettingChanged += OnApplyCustomRangeInNormalModeChanged;
			PickupRange.Value = Mathf.RoundToInt(GetConfiguredPickupRange());
			ServerConfig.AddConfigEntry<AutopickupMode>(DefaultMode).SynchronizedConfig = false;
			ServerConfig.AddConfigEntry<bool>(PickUpUndiscoveredItems).SynchronizedConfig = false;
			ServerConfig.AddConfigEntry<int>(PickupRange).SynchronizedConfig = true;
			ServerConfig.AddConfigEntry<bool>(ApplyCustomRangeInNormalMode).SynchronizedConfig = true;
			ServerConfig.AddLockingConfigEntry<bool>(((BaseUnityPlugin)this).Config.Bind<bool>("Server", "LockConfiguration", true, "When enabled on the server, only admins can change synchronized range settings. Autopickup mode stays local."));
			ServerConfig.SourceOfTruthChanged += delegate(bool local)
			{
				ApplyVanillaAutopickupState();
				Log.LogInfo((object)(local ? "Using local SmartPickup settings." : "Receiving server SmartPickup settings."));
			};
			CurrentMode = DefaultMode.Value;
			ApplyVanillaAutopickupState();
			try
			{
				Harmony val = new Harmony("com.b0n3.smartpickup");
				Type[] types = typeof(SmartAutopickup).Assembly.GetTypes();
				foreach (Type type in types)
				{
					if (type.Namespace == typeof(SmartAutopickup).Namespace)
					{
						val.CreateClassProcessor(type).Patch();
					}
				}
				Log.LogInfo((object)$"Smart Autopickup mod loaded. Mode: {CurrentMode}, Pickup Range: {PickupRange.Value}, Custom Range In Normal Mode: {ApplyCustomRangeInNormalMode.Value}");
			}
			catch (Exception ex)
			{
				Log.LogError((object)("Error in Awake: " + ex));
			}
		}

		private void TryImportLegacyConfigValues()
		{
			string text = Path.Combine(Paths.ConfigPath, "com.yourname.valheim.smartautopickup.cfg");
			if (!HasCompletedLegacyMigration() && File.Exists(text))
			{
				string legacyConfigValue = GetLegacyConfigValue(text, "DefaultMode");
				if (!string.IsNullOrEmpty(legacyConfigValue) && Enum.TryParse<AutopickupMode>(legacyConfigValue, ignoreCase: true, out var result))
				{
					DefaultMode.Value = result;
				}
				string legacyConfigValue2 = GetLegacyConfigValue(text, "PickupRange");
				if (!string.IsNullOrEmpty(legacyConfigValue2) && (float.TryParse(legacyConfigValue2, NumberStyles.Float, CultureInfo.InvariantCulture, out var result2) || float.TryParse(legacyConfigValue2, NumberStyles.Float, CultureInfo.CurrentCulture, out result2)))
				{
					PickupRange.Value = Mathf.Clamp(Mathf.RoundToInt(result2), 1, 100);
				}
				string legacyConfigValue3 = GetLegacyConfigValue(text, "ApplyCustomRangeInNormalMode");
				if (!string.IsNullOrEmpty(legacyConfigValue3) && bool.TryParse(legacyConfigValue3, out var result3))
				{
					ApplyCustomRangeInNormalMode.Value = result3;
				}
				MarkLegacyMigrationComplete();
				Log.LogInfo((object)"Migrated SmartPickup config from 'com.yourname.valheim.smartautopickup' to 'com.b0n3.smartpickup'.");
			}
		}

		private static bool HasCompletedLegacyMigration()
		{
			return File.Exists(Path.Combine(Paths.ConfigPath, "com.b0n3.smartpickup.migrated"));
		}

		private static void MarkLegacyMigrationComplete()
		{
			File.WriteAllText(Path.Combine(Paths.ConfigPath, "com.b0n3.smartpickup.migrated"), "1.0.11");
		}

		private static string GetLegacyConfigValue(string configPath, string key)
		{
			bool flag = false;
			foreach (string item in File.ReadLines(configPath))
			{
				string text = item.Trim();
				if (text.Length == 0 || text.StartsWith("#") || text.StartsWith("##"))
				{
					continue;
				}
				if (text.StartsWith("[") && text.EndsWith("]"))
				{
					flag = string.Equals(text, "[General]", StringComparison.OrdinalIgnoreCase);
				}
				else if (flag && text.StartsWith(key + " ", StringComparison.Ordinal))
				{
					int num = text.IndexOf('=');
					if (num < 0)
					{
						return null;
					}
					return text.Substring(num + 1).Trim();
				}
			}
			return null;
		}

		private void NormalizePickupRangeConfigIfNeeded()
		{
			string path = Path.Combine(Paths.ConfigPath, "com.b0n3.smartpickup.cfg");
			if (!File.Exists(path))
			{
				return;
			}
			string[] array = File.ReadAllLines(path);
			bool flag = false;
			for (int i = 0; i < array.Length; i++)
			{
				if (!array[i].StartsWith("PickupRange ="))
				{
					continue;
				}
				string s = array[i].Substring("PickupRange =".Length).Trim();
				if (!float.TryParse(s, NumberStyles.Float, CultureInfo.InvariantCulture, out var result) && !float.TryParse(s, NumberStyles.Float, CultureInfo.CurrentCulture, out result))
				{
					return;
				}
				string text = "PickupRange = " + Mathf.Clamp(Mathf.RoundToInt(result), 1, 100).ToString(CultureInfo.InvariantCulture);
				if (!string.Equals(array[i], text, StringComparison.Ordinal))
				{
					array[i] = text;
					flag = true;
				}
				break;
			}
			if (flag)
			{
				File.WriteAllLines(path, array);
				((BaseUnityPlugin)this).Config.Reload();
				Log.LogInfo((object)"Normalized PickupRange to a whole-number value for stepped slider behavior.");
			}
		}

		private void OnDefaultModeChanged(object sender, EventArgs e)
		{
			CurrentMode = DefaultMode.Value;
			ApplyVanillaAutopickupState();
			Log.LogInfo((object)("Default autopickup mode updated. Active mode is now: " + CurrentMode));
			if ((Object)(object)Player.m_localPlayer != (Object)null)
			{
				string text = ((CurrentMode == AutopickupMode.Normal) ? "On" : CurrentMode.ToString());
				((Character)Player.m_localPlayer).Message((MessageType)1, "Auto-Pickup:" + text, 0, (Sprite)null, false);
			}
		}

		private void OnPickupRangeChanged(object sender, EventArgs e)
		{
			int num = Mathf.RoundToInt(GetConfiguredPickupRange());
			if (PickupRange.Value != num && ServerConfig.IsSourceOfTruth && !ConfigSync.ProcessingServerUpdate)
			{
				PickupRange.Value = num;
				return;
			}
			ApplyVanillaAutopickupState();
			Log.LogInfo((object)("Smart pickup range updated to: " + PickupRange.Value));
		}

		private void OnApplyCustomRangeInNormalModeChanged(object sender, EventArgs e)
		{
			ApplyVanillaAutopickupState();
			Log.LogInfo((object)("Custom range in normal mode is now: " + ApplyCustomRangeInNormalMode.Value));
		}

		private static AutopickupMode GetNextMode(AutopickupMode currentMode)
		{
			return currentMode switch
			{
				AutopickupMode.Normal => AutopickupMode.Smart, 
				AutopickupMode.Smart => AutopickupMode.Off, 
				_ => AutopickupMode.Normal, 
			};
		}

		internal static void CycleModeFromVanillaToggle(Player player)
		{
			CurrentMode = GetNextMode(CurrentMode);
			ApplyVanillaAutopickupState();
			Log.LogInfo((object)("Autopickup mode switched to: " + CurrentMode));
			if ((Object)(object)player != (Object)null)
			{
				string text = ((CurrentMode == AutopickupMode.Normal) ? "On" : CurrentMode.ToString());
				((Character)player).Message((MessageType)1, "Auto-Pickup:" + text, 0, (Sprite)null, false);
			}
		}

		internal static float GetConfiguredPickupRange()
		{
			return Mathf.Clamp(PickupRange.Value, 1, 100);
		}

		internal static void BeginTrackingVanillaAutopickupState(Player player)
		{
			if ((Object)(object)player != (Object)(object)Player.m_localPlayer)
			{
				trackedUpdatePlayer = null;
				return;
			}
			trackedUpdatePlayer = player;
			trackedVanillaAutopickupState = GetVanillaAutopickupEnabled();
		}

		internal static void EndTrackingVanillaAutopickupState(Player player)
		{
			if ((Object)(object)trackedUpdatePlayer == (Object)(object)player)
			{
				trackedUpdatePlayer = null;
			}
		}

		internal static bool ShouldHandleVanillaAutopickupToggleMessage(Player player)
		{
			if ((Object)(object)trackedUpdatePlayer == (Object)(object)player)
			{
				return GetVanillaAutopickupEnabled() != trackedVanillaAutopickupState;
			}
			return false;
		}

		internal static void ApplyVanillaAutopickupStateForLifecycle()
		{
			ApplyVanillaAutopickupState();
		}

		private static void ApplyVanillaAutopickupState()
		{
			TrackOriginalVanillaAutopickupRange(Player.m_localPlayer);
			bool flag = CurrentMode != AutopickupMode.Off;
			if (GetVanillaAutopickupEnabled() != flag)
			{
				SetVanillaAutopickupEnabled(flag);
			}
			ApplyVanillaAutopickupRange(Player.m_localPlayer);
		}

		private static bool GetVanillaAutopickupEnabled()
		{
			if (VanillaAutopickupEnabledField == null)
			{
				WarnMissingVanillaAutopickupField();
				return false;
			}
			return (bool)VanillaAutopickupEnabledField.GetValue(null);
		}

		private static void SetVanillaAutopickupEnabled(bool enabled)
		{
			if (VanillaAutopickupEnabledField == null)
			{
				WarnMissingVanillaAutopickupField();
			}
			else
			{
				VanillaAutopickupEnabledField.SetValue(null, enabled);
			}
		}

		private static void WarnMissingVanillaAutopickupField()
		{
			if (!hasWarnedMissingVanillaAutopickupField && Log != null)
			{
				hasWarnedMissingVanillaAutopickupField = true;
				Log.LogWarning((object)"SmartPickup could not resolve Player.m_enableAutoPickup. Valheim may have changed and autopickup mode syncing may not work correctly.");
			}
		}

		private static void TrackOriginalVanillaAutopickupRange(Player player)
		{
			if ((Object)(object)player == (Object)null || (Object)(object)player != (Object)(object)Player.m_localPlayer)
			{
				trackedRangePlayer = null;
				hasTrackedOriginalVanillaAutopickupRange = false;
			}
			else if (!((Object)(object)trackedRangePlayer == (Object)(object)player) || !hasTrackedOriginalVanillaAutopickupRange)
			{
				trackedRangePlayer = player;
				if (TryGetVanillaAutopickupRange(player, out var range))
				{
					trackedOriginalVanillaAutopickupRange = range;
					hasTrackedOriginalVanillaAutopickupRange = true;
				}
				else
				{
					hasTrackedOriginalVanillaAutopickupRange = false;
				}
			}
		}

		private static void ApplyVanillaAutopickupRange(Player player)
		{
			if (!((Object)(object)player == (Object)null) && TryGetVanillaAutopickupRange(player, out var range))
			{
				float num = range;
				if (CurrentMode == AutopickupMode.Normal && ApplyCustomRangeInNormalMode.Value)
				{
					num = GetConfiguredPickupRange();
				}
				else if (hasTrackedOriginalVanillaAutopickupRange)
				{
					num = trackedOriginalVanillaAutopickupRange;
				}
				if (!Mathf.Approximately(range, num))
				{
					SetVanillaAutopickupRange(player, num);
				}
			}
		}

		private static bool TryGetVanillaAutopickupRange(Player player, out float range)
		{
			if (VanillaAutopickupRangeField == null)
			{
				WarnMissingVanillaAutopickupRangeField();
				range = 0f;
				return false;
			}
			range = (float)VanillaAutopickupRangeField.GetValue(player);
			return true;
		}

		private static void SetVanillaAutopickupRange(Player player, float range)
		{
			if (VanillaAutopickupRangeField == null)
			{
				WarnMissingVanillaAutopickupRangeField();
			}
			else
			{
				VanillaAutopickupRangeField.SetValue(player, range);
			}
		}

		private static void WarnMissingVanillaAutopickupRangeField()
		{
			if (!hasWarnedMissingVanillaAutopickupRangeField && Log != null)
			{
				hasWarnedMissingVanillaAutopickupRangeField = true;
				Log.LogWarning((object)"SmartPickup could not resolve Player.m_autoPickupRange. Custom range syncing may not work correctly.");
			}
		}
	}
	[HarmonyPatch(typeof(Player), "SetLocalPlayer")]
	public class Player_SetLocalPlayer_Patch
	{
		private static void Postfix(Player __instance)
		{
			if (!((Object)(object)__instance == (Object)null) && !((Object)(object)__instance != (Object)(object)Player.m_localPlayer))
			{
				SmartAutopickup.ApplyVanillaAutopickupStateForLifecycle();
			}
		}
	}
	[HarmonyPatch(typeof(Player), "Update")]
	public class Player_Update_Patch
	{
		private static void Prefix(Player __instance)
		{
			SmartAutopickup.BeginTrackingVanillaAutopickupState(__instance);
		}

		private static void Postfix(Player __instance)
		{
			SmartAutopickup.EndTrackingVanillaAutopickupState(__instance);
		}
	}
	[HarmonyPatch(typeof(Player), "AutoPickup")]
	public class Player_AutoPickup_Patch
	{
		private const int OverlapBufferSize = 128;

		private const float PullSpeed = 15f;

		private const float DirectPickupDistance = 0.3f;

		private const float DirectPickupDistanceSqr = 0.09f;

		private static readonly Collider[] OverlapBuffer = (Collider[])(object)new Collider[128];

		private static readonly HashSet<string> InventoryItemIdsBuffer = new HashSet<string>();

		private static readonly FieldInfo AutoPickupMaskField = AccessTools.Field(typeof(Player), "m_autoPickupMask");

		private static readonly FieldInfo ItemDropPrefabField = AccessTools.Field(typeof(ItemData), "m_dropPrefab");

		private static bool hasWarnedMissingAutoPickupMaskField;

		private static bool Prefix(Player __instance, float dt)
		{
			try
			{
				if ((Object)(object)__instance != (Object)(object)Player.m_localPlayer)
				{
					return true;
				}
				if (SmartAutopickup.CurrentMode == AutopickupMode.Normal)
				{
					return true;
				}
				if (SmartAutopickup.CurrentMode == AutopickupMode.Off)
				{
					return false;
				}
				if (SmartAutopickup.CurrentMode == AutopickupMode.Smart)
				{
					return RunCustomAutoPickup(__instance, dt, requireExistingInventoryItem: true);
				}
			}
			catch (Exception ex)
			{
				SmartAutopickup.Log.LogError((object)("Error in Player_AutoPickup_Patch Prefix: " + ex));
			}
			return true;
		}

		private static bool RunCustomAutoPickup(Player player, float dt, bool requireExistingInventoryItem)
		{
			//IL_0010: 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)
			//IL_001a: 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_004e: 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_0159: Unknown result type (might be due to invalid IL or missing references)
			//IL_0161: Unknown result type (might be due to invalid IL or missing references)
			//IL_0166: Unknown result type (might be due to invalid IL or missing references)
			//IL_016b: Unknown result type (might be due to invalid IL or missing references)
			//IL_01a2: 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_01b2: Unknown result type (might be due to invalid IL or missing references)
			//IL_01b7: Unknown result type (might be due to invalid IL or missing references)
			//IL_01c1: 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_01c8: Unknown result type (might be due to invalid IL or missing references)
			//IL_01e4: Unknown result type (might be due to invalid IL or missing references)
			//IL_01e9: Unknown result type (might be due to invalid IL or missing references)
			//IL_01eb: Unknown result type (might be due to invalid IL or missing references)
			if (((Character)player).IsTeleporting())
			{
				return false;
			}
			Vector3 val = ((Component)player).transform.position + Vector3.up;
			int autoPickupMask = GetAutoPickupMask(player);
			Inventory inventory = ((Humanoid)player).GetInventory();
			float configuredPickupRange = SmartAutopickup.GetConfiguredPickupRange();
			float num = configuredPickupRange * configuredPickupRange;
			HashSet<string> hashSet = (requireExistingInventoryItem ? GetInventoryItemIds(inventory) : null);
			Collider[] array = OverlapBuffer;
			int num2 = Physics.OverlapSphereNonAlloc(val, configuredPickupRange, OverlapBuffer, autoPickupMask);
			if (num2 >= OverlapBuffer.Length)
			{
				array = Physics.OverlapSphere(val, configuredPickupRange, autoPickupMask);
				num2 = array.Length;
			}
			for (int i = 0; i < num2; i++)
			{
				Collider val2 = array[i];
				if ((Object)(object)val2 == (Object)null || (Object)(object)val2.attachedRigidbody == (Object)null || !TryGetItemDrop(val2, out var itemDrop, out var floatingTerrainDummy) || !CanCustomPickupItem(player, itemDrop))
				{
					continue;
				}
				string itemIdentifier = GetItemIdentifier(itemDrop.m_itemData);
				if (requireExistingInventoryItem && (string.IsNullOrEmpty(itemIdentifier) || hashSet == null || !hashSet.Contains(itemIdentifier)) && !ShouldPickUpUndiscoveredItem(player, itemDrop.m_itemData))
				{
					continue;
				}
				if (!itemDrop.CanPickup(true))
				{
					itemDrop.RequestOwn();
				}
				else
				{
					if (itemDrop.InTar())
					{
						continue;
					}
					itemDrop.Load();
					if (!inventory.CanAddItem(itemDrop.m_itemData, -1) || inventory.GetTotalWeight() + itemDrop.m_itemData.GetWeight(-1) > player.GetMaxCarryWeight())
					{
						continue;
					}
					Vector3 val3 = val - ((Component)itemDrop).transform.position;
					float sqrMagnitude = ((Vector3)(ref val3)).sqrMagnitude;
					if (sqrMagnitude > num)
					{
						continue;
					}
					if (sqrMagnitude < 0.09f)
					{
						((Humanoid)player).Pickup(((Component)itemDrop).gameObject, true, true);
					}
					else if (CanAttractItem(itemDrop))
					{
						Vector3 val4 = ((Vector3)(ref val3)).normalized * 15f * dt;
						Transform transform = ((Component)itemDrop).transform;
						transform.position += val4;
						if ((Object)(object)floatingTerrainDummy != (Object)null)
						{
							Transform transform2 = ((Component)floatingTerrainDummy).transform;
							transform2.position += val4;
						}
					}
				}
			}
			return false;
		}

		private static bool ShouldPickUpUndiscoveredItem(Player player, ItemData itemData)
		{
			if (!SmartAutopickup.PickUpUndiscoveredItems.Value)
			{
				return false;
			}
			string itemName = GetItemName(itemData);
			if (!string.IsNullOrEmpty(itemName))
			{
				return !player.IsMaterialKnown(itemName);
			}
			return false;
		}

		private static HashSet<string> GetInventoryItemIds(Inventory inventory)
		{
			InventoryItemIdsBuffer.Clear();
			foreach (ItemData allItem in inventory.GetAllItems())
			{
				string itemIdentifier = GetItemIdentifier(allItem);
				if (!string.IsNullOrEmpty(itemIdentifier))
				{
					InventoryItemIdsBuffer.Add(itemIdentifier);
				}
			}
			return InventoryItemIdsBuffer;
		}

		private static int GetAutoPickupMask(Player player)
		{
			if (AutoPickupMaskField == null)
			{
				WarnMissingAutoPickupMaskField();
				return 0;
			}
			return (int)AutoPickupMaskField.GetValue(player);
		}

		private static string GetItemIdentifier(ItemData itemData)
		{
			object? obj = ItemDropPrefabField?.GetValue(itemData);
			GameObject val = (GameObject)((obj is GameObject) ? obj : null);
			if ((Object)(object)val != (Object)null && !string.IsNullOrEmpty(((Object)val).name))
			{
				return ((Object)val).name;
			}
			return GetItemName(itemData);
		}

		private static string GetItemName(ItemData itemData)
		{
			return itemData?.m_shared?.m_name;
		}

		private static bool CanCustomPickupItem(Player player, ItemDrop itemDrop)
		{
			if ((Object)(object)itemDrop == (Object)null || !itemDrop.m_autoPickup || itemDrop.IsPiece())
			{
				return false;
			}
			string itemName = GetItemName(itemDrop.m_itemData);
			if (string.IsNullOrEmpty(itemName) || ((Humanoid)player).HaveUniqueKey(itemName))
			{
				return false;
			}
			ZNetView component = ((Component)itemDrop).GetComponent<ZNetView>();
			if ((Object)(object)component != (Object)null)
			{
				return component.IsValid();
			}
			return false;
		}

		private static bool TryGetItemDrop(Collider collider, out ItemDrop itemDrop, out FloatingTerrainDummy floatingTerrainDummy)
		{
			itemDrop = null;
			floatingTerrainDummy = null;
			Rigidbody attachedRigidbody = collider.attachedRigidbody;
			if ((Object)(object)attachedRigidbody == (Object)null)
			{
				return false;
			}
			itemDrop = ((Component)attachedRigidbody).GetComponent<ItemDrop>();
			if ((Object)(object)itemDrop != (Object)null)
			{
				return true;
			}
			floatingTerrainDummy = ((Component)attachedRigidbody).GetComponent<FloatingTerrainDummy>();
			if ((Object)(object)floatingTerrainDummy != (Object)null && (Object)(object)floatingTerrainDummy.m_parent != (Object)null)
			{
				itemDrop = ((Component)floatingTerrainDummy.m_parent).gameObject.GetComponent<ItemDrop>();
			}
			return (Object)(object)itemDrop != (Object)null;
		}

		private static bool CanAttractItem(ItemDrop itemDrop)
		{
			ZNetView component = ((Component)itemDrop).GetComponent<ZNetView>();
			if ((Object)(object)component != (Object)null)
			{
				return component.IsOwner();
			}
			return false;
		}

		private static void WarnMissingAutoPickupMaskField()
		{
			if (!hasWarnedMissingAutoPickupMaskField && SmartAutopickup.Log != null)
			{
				hasWarnedMissingAutoPickupMaskField = true;
				SmartAutopickup.Log.LogWarning((object)"SmartPickup could not resolve Player.m_autoPickupMask. Custom pickup scanning may not work correctly on this Valheim version.");
			}
		}
	}
	[HarmonyPatch(typeof(Player), "Message")]
	public class Player_Message_Patch
	{
		private static bool Prefix(Player __instance, MessageType type, string msg, int amount, Sprite icon)
		{
			try
			{
				if ((Object)(object)__instance != (Object)(object)Player.m_localPlayer)
				{
					return true;
				}
				if (msg != null && msg.StartsWith("$hud_autopickup:"))
				{
					if (!SmartAutopickup.ShouldHandleVanillaAutopickupToggleMessage(__instance))
					{
						return true;
					}
					SmartAutopickup.CycleModeFromVanillaToggle(__instance);
					return false;
				}
			}
			catch (Exception ex)
			{
				SmartAutopickup.Log.LogError((object)("Error in Player_Message_Patch Prefix: " + ex));
			}
			return true;
		}
	}
}
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableAttribute : Attribute
	{
		public readonly byte[] NullableFlags;

		public NullableAttribute(byte P_0)
		{
			NullableFlags = new byte[1] { P_0 };
		}

		public NullableAttribute(byte[] P_0)
		{
			NullableFlags = P_0;
		}
	}
	[CompilerGenerated]
	[Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Method | AttributeTargets.Interface | AttributeTargets.Delegate, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableContextAttribute : Attribute
	{
		public readonly byte Flag;

		public NullableContextAttribute(byte P_0)
		{
			Flag = P_0;
		}
	}
	[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 ServerSync
{
	[PublicAPI]
	internal abstract class OwnConfigEntryBase
	{
		public object? LocalBaseValue;

		public bool SynchronizedConfig = true;

		public abstract ConfigEntryBase BaseConfig { get; }
	}
	[PublicAPI]
	internal class SyncedConfigEntry<T>(ConfigEntry<T> sourceConfig) : OwnConfigEntryBase()
	{
		public readonly ConfigEntry<T> SourceConfig = sourceConfig;

		public override ConfigEntryBase BaseConfig => (ConfigEntryBase)(object)SourceConfig;

		public T Value
		{
			get
			{
				return SourceConfig.Value;
			}
			set
			{
				SourceConfig.Value = value;
			}
		}

		public void AssignLocalValue(T value)
		{
			if (LocalBaseValue == null)
			{
				Value = value;
			}
			else
			{
				LocalBaseValue = value;
			}
		}
	}
	internal abstract class CustomSyncedValueBase
	{
		public object? LocalBaseValue;

		public readonly string Identifier;

		public readonly Type Type;

		private object? boxedValue;

		protected bool localIsOwner;

		public readonly int Priority;

		public object? BoxedValue
		{
			get
			{
				return boxedValue;
			}
			set
			{
				boxedValue = value;
				this.ValueChanged?.Invoke();
			}
		}

		public event Action? ValueChanged;

		protected CustomSyncedValueBase(ConfigSync configSync, string identifier, Type type, int priority)
		{
			Priority = priority;
			Identifier = identifier;
			Type = type;
			configSync.AddCustomValue(this);
			localIsOwner = configSync.IsSourceOfTruth;
			configSync.SourceOfTruthChanged += delegate(bool truth)
			{
				localIsOwner = truth;
			};
		}
	}
	[PublicAPI]
	internal sealed class CustomSyncedValue<T> : CustomSyncedValueBase
	{
		public T Value
		{
			get
			{
				return (T)base.BoxedValue;
			}
			set
			{
				base.BoxedValue = value;
			}
		}

		public CustomSyncedValue(ConfigSync configSync, string identifier, T value = default(T), int priority = 0)
			: base(configSync, identifier, typeof(T), priority)
		{
			Value = value;
		}

		public void AssignLocalValue(T value)
		{
			if (localIsOwner)
			{
				Value = value;
			}
			else
			{
				LocalBaseValue = value;
			}
		}
	}
	internal class ConfigurationManagerAttributes
	{
		[UsedImplicitly]
		public bool? ReadOnly = false;
	}
	[PublicAPI]
	internal class ConfigSync
	{
		[HarmonyPatch(typeof(ZRpc), "HandlePackage")]
		private static class SnatchCurrentlyHandlingRPC
		{
			public static ZRpc? currentRpc;

			[HarmonyPrefix]
			private static void Prefix(ZRpc __instance)
			{
				currentRpc = __instance;
			}
		}

		[HarmonyPatch(typeof(ZNet), "Awake")]
		internal static class RegisterRPCPatch
		{
			[HarmonyPostfix]
			private static void Postfix(ZNet __instance)
			{
				isServer = __instance.IsServer();
				foreach (ConfigSync configSync2 in configSyncs)
				{
					ZRoutedRpc.instance.Register<ZPackage>(configSync2.Name + " ConfigSync", (Action<long, ZPackage>)configSync2.RPC_FromOtherClientConfigSync);
					if (isServer)
					{
						configSync2.InitialSyncDone = true;
						Debug.Log((object)("Registered '" + configSync2.Name + " ConfigSync' RPC - waiting for incoming connections"));
					}
				}
				if (isServer)
				{
					((MonoBehaviour)__instance).StartCoroutine(WatchAdminListChanges());
				}
				static void SendAdmin(List<ZNetPeer> peers, bool isAdmin)
				{
					ZPackage package = ConfigsToPackage(null, null, new PackageEntry[1]
					{
						new PackageEntry
						{
							section = "Internal",
							key = "lockexempt",
							type = typeof(bool),
							value = isAdmin
						}
					});
					ConfigSync configSync = configSyncs.First();
					if (configSync != null)
					{
						((MonoBehaviour)ZNet.instance).StartCoroutine(configSync.sendZPackage(peers, package));
					}
				}
				static IEnumerator WatchAdminListChanges()
				{
					MethodInfo listContainsId = AccessTools.DeclaredMethod(typeof(ZNet), "ListContainsId", (Type[])null, (Type[])null);
					SyncedList adminList = (SyncedList)AccessTools.DeclaredField(typeof(ZNet), "m_adminList").GetValue(ZNet.instance);
					List<string> CurrentList = new List<string>(adminList.GetList());
					while (true)
					{
						yield return (object)new WaitForSeconds(30f);
						if (!adminList.GetList().SequenceEqual(CurrentList))
						{
							CurrentList = new List<string>(adminList.GetList());
							List<ZNetPeer> adminPeer = ZNet.instance.GetPeers().Where(delegate(ZNetPeer p)
							{
								string hostName = p.m_rpc.GetSocket().GetHostName();
								return ((object)listContainsId == null) ? adminList.Contains(hostName) : ((bool)listContainsId.Invoke(ZNet.instance, new object[2] { adminList, hostName }));
							}).ToList();
							List<ZNetPeer> nonAdminPeer = ZNet.instance.GetPeers().Except(adminPeer).ToList();
							SendAdmin(nonAdminPeer, isAdmin: false);
							SendAdmin(adminPeer, isAdmin: true);
						}
					}
				}
			}
		}

		[HarmonyPatch(typeof(ZNet), "OnNewConnection")]
		private static class RegisterClientRPCPatch
		{
			[HarmonyPostfix]
			private static void Postfix(ZNet __instance, ZNetPeer peer)
			{
				if (__instance.IsServer())
				{
					return;
				}
				foreach (ConfigSync configSync in configSyncs)
				{
					peer.m_rpc.Register<ZPackage>(configSync.Name + " ConfigSync", (Action<ZRpc, ZPackage>)configSync.RPC_FromServerConfigSync);
				}
			}
		}

		private class ParsedConfigs
		{
			public readonly Dictionary<OwnConfigEntryBase, object?> configValues = new Dictionary<OwnConfigEntryBase, object>();

			public readonly Dictionary<CustomSyncedValueBase, object?> customValues = new Dictionary<CustomSyncedValueBase, object>();
		}

		[HarmonyPatch(typeof(ZNet), "Shutdown")]
		private class ResetConfigsOnShutdown
		{
			[HarmonyPostfix]
			private static void Postfix()
			{
				ProcessingServerUpdate = true;
				foreach (ConfigSync configSync in configSyncs)
				{
					configSync.resetConfigsFromServer();
					configSync.IsSourceOfTruth = true;
					configSync.InitialSyncDone = false;
				}
				ProcessingServerUpdate = false;
			}
		}

		[HarmonyPatch(typeof(ZNet), "RPC_PeerInfo")]
		private class SendConfigsAfterLogin
		{
			private class BufferingSocket : ZPlayFabSocket, ISocket
			{
				public volatile bool finished = false;

				public volatile int versionMatchQueued = -1;

				public readonly List<ZPackage> Package = new List<ZPackage>();

				public readonly ISocket Original;

				public BufferingSocket(ISocket original)
				{
					Original = original;
					((ZPlayFabSocket)this)..ctor();
				}

				public bool IsConnected()
				{
					return Original.IsConnected();
				}

				public ZPackage Recv()
				{
					return Original.Recv();
				}

				public int GetSendQueueSize()
				{
					return Original.GetSendQueueSize();
				}

				public int GetCurrentSendRate()
				{
					return Original.GetCurrentSendRate();
				}

				public bool IsHost()
				{
					return Original.IsHost();
				}

				public void Dispose()
				{
					Original.Dispose();
				}

				public bool GotNewData()
				{
					return Original.GotNewData();
				}

				public void Close()
				{
					Original.Close();
				}

				public string GetEndPointString()
				{
					return Original.GetEndPointString();
				}

				public void GetAndResetStats(out int totalSent, out int totalRecv)
				{
					Original.GetAndResetStats(ref totalSent, ref totalRecv);
				}

				public void GetConnectionQuality(out float localQuality, out float remoteQuality, out int ping, out float outByteSec, out float inByteSec)
				{
					Original.GetConnectionQuality(ref localQuality, ref remoteQuality, ref ping, ref outByteSec, ref inByteSec);
				}

				public ISocket Accept()
				{
					return Original.Accept();
				}

				public int GetHostPort()
				{
					return Original.GetHostPort();
				}

				public bool Flush()
				{
					return Original.Flush();
				}

				public string GetHostName()
				{
					return Original.GetHostName();
				}

				public void VersionMatch()
				{
					if (finished)
					{
						Original.VersionMatch();
					}
					else
					{
						versionMatchQueued = Package.Count;
					}
				}

				public void Send(ZPackage pkg)
				{
					//IL_0057: Unknown result type (might be due to invalid IL or missing references)
					//IL_005d: Expected O, but got Unknown
					int pos = pkg.GetPos();
					pkg.SetPos(0);
					int num = pkg.ReadInt();
					if ((num == StringExtensionMethods.GetStableHashCode("PeerInfo") || num == StringExtensionMethods.GetStableHashCode("RoutedRPC") || num == StringExtensionMethods.GetStableHashCode("ZDOData")) && !finished)
					{
						ZPackage val = new ZPackage(pkg.GetArray());
						val.SetPos(pos);
						Package.Add(val);
					}
					else
					{
						pkg.SetPos(pos);
						Original.Send(pkg);
					}
				}
			}

			[HarmonyPriority(800)]
			[HarmonyPrefix]
			private static void Prefix(ref Dictionary<Assembly, BufferingSocket>? __state, ZNet __instance, ZRpc rpc)
			{
				//IL_0078: Unknown result type (might be due to invalid IL or missing references)
				//IL_007e: Invalid comparison between Unknown and I4
				if (!__instance.IsServer())
				{
					return;
				}
				BufferingSocket bufferingSocket = new BufferingSocket(rpc.GetSocket());
				AccessTools.DeclaredField(typeof(ZRpc), "m_socket").SetValue(rpc, bufferingSocket);
				object? obj = AccessTools.DeclaredMethod(typeof(ZNet), "GetPeer", new Type[1] { typeof(ZRpc) }, (Type[])null).Invoke(__instance, new object[1] { rpc });
				ZNetPeer val = (ZNetPeer)((obj is ZNetPeer) ? obj : null);
				if (val != null && (int)ZNet.m_onlineBackend > 0)
				{
					FieldInfo fieldInfo = AccessTools.DeclaredField(typeof(ZNetPeer), "m_socket");
					object? value = fieldInfo.GetValue(val);
					ZPlayFabSocket val2 = (ZPlayFabSocket)((value is ZPlayFabSocket) ? value : null);
					if (val2 != null)
					{
						typeof(ZPlayFabSocket).GetField("m_remotePlayerId").SetValue(bufferingSocket, val2.m_remotePlayerId);
					}
					fieldInfo.SetValue(val, bufferingSocket);
				}
				if (__state == null)
				{
					__state = new Dictionary<Assembly, BufferingSocket>();
				}
				__state[Assembly.GetExecutingAssembly()] = bufferingSocket;
			}

			[HarmonyPostfix]
			private static void Postfix(Dictionary<Assembly, BufferingSocket> __state, ZNet __instance, ZRpc rpc)
			{
				ZNetPeer peer;
				if (__instance.IsServer())
				{
					object obj = AccessTools.DeclaredMethod(typeof(ZNet), "GetPeer", new Type[1] { typeof(ZRpc) }, (Type[])null).Invoke(__instance, new object[1] { rpc });
					peer = (ZNetPeer)((obj is ZNetPeer) ? obj : null);
					if (peer == null)
					{
						SendBufferedData();
					}
					else
					{
						((MonoBehaviour)__instance).StartCoroutine(sendAsync());
					}
				}
				void SendBufferedData()
				{
					if (rpc.GetSocket() is BufferingSocket bufferingSocket)
					{
						AccessTools.DeclaredField(typeof(ZRpc), "m_socket").SetValue(rpc, bufferingSocket.Original);
						object? obj2 = AccessTools.DeclaredMethod(typeof(ZNet), "GetPeer", new Type[1] { typeof(ZRpc) }, (Type[])null).Invoke(__instance, new object[1] { rpc });
						ZNetPeer val = (ZNetPeer)((obj2 is ZNetPeer) ? obj2 : null);
						if (val != null)
						{
							AccessTools.DeclaredField(typeof(ZNetPeer), "m_socket").SetValue(val, bufferingSocket.Original);
						}
					}
					BufferingSocket bufferingSocket2 = __state[Assembly.GetExecutingAssembly()];
					bufferingSocket2.finished = true;
					for (int i = 0; i < bufferingSocket2.Package.Count; i++)
					{
						if (i == bufferingSocket2.versionMatchQueued)
						{
							bufferingSocket2.Original.VersionMatch();
						}
						bufferingSocket2.Original.Send(bufferingSocket2.Package[i]);
					}
					if (bufferingSocket2.Package.Count == bufferingSocket2.versionMatchQueued)
					{
						bufferingSocket2.Original.VersionMatch();
					}
				}
				IEnumerator sendAsync()
				{
					foreach (ConfigSync configSync in configSyncs)
					{
						List<PackageEntry> entries = new List<PackageEntry>();
						if (configSync.CurrentVersion != null)
						{
							entries.Add(new PackageEntry
							{
								section = "Internal",
								key = "serverversion",
								type = typeof(string),
								value = configSync.CurrentVersion
							});
						}
						MethodInfo listContainsId = AccessTools.DeclaredMethod(typeof(ZNet), "ListContainsId", (Type[])null, (Type[])null);
						SyncedList adminList = (SyncedList)AccessTools.DeclaredField(typeof(ZNet), "m_adminList").GetValue(ZNet.instance);
						entries.Add(new PackageEntry
						{
							section = "Internal",
							key = "lockexempt",
							type = typeof(bool),
							value = (((object)listContainsId == null) ? ((object)adminList.Contains(rpc.GetSocket().GetHostName())) : listContainsId.Invoke(ZNet.instance, new object[2]
							{
								adminList,
								rpc.GetSocket().GetHostName()
							}))
						});
						ZPackage package = ConfigsToPackage(configSync.allConfigs.Select((OwnConfigEntryBase c) => c.BaseConfig), configSync.allCustomValues, entries, partial: false);
						yield return ((MonoBehaviour)__instance).StartCoroutine(configSync.sendZPackage(new List<ZNetPeer> { peer }, package));
					}
					SendBufferedData();
				}
			}
		}

		private class PackageEntry
		{
			public string section = null;

			public string key = null;

			public Type type = null;

			public object? value;
		}

		[HarmonyPatch(typeof(ConfigEntryBase), "GetSerializedValue")]
		private static class PreventSavingServerInfo
		{
			[HarmonyPrefix]
			private static bool Prefix(ConfigEntryBase __instance, ref string __result)
			{
				OwnConfigEntryBase ownConfigEntryBase = configData(__instance);
				if (ownConfigEntryBase == null || isWritableConfig(ownConfigEntryBase))
				{
					return true;
				}
				__result = TomlTypeConverter.ConvertToString(ownConfigEntryBase.LocalBaseValue, __instance.SettingType);
				return false;
			}
		}

		[HarmonyPatch(typeof(ConfigEntryBase), "SetSerializedValue")]
		private static class PreventConfigRereadChangingValues
		{
			[HarmonyPrefix]
			private static bool Prefix(ConfigEntryBase __instance, string value)
			{
				OwnConfigEntryBase ownConfigEntryBase = configData(__instance);
				if (ownConfigEntryBase == null || ownConfigEntryBase.LocalBaseValue == null)
				{
					return true;
				}
				try
				{
					ownConfigEntryBase.LocalBaseValue = TomlTypeConverter.ConvertToValue(value, __instance.SettingType);
				}
				catch (Exception ex)
				{
					Debug.LogWarning((object)$"Config value of setting \"{__instance.Definition}\" could not be parsed and will be ignored. Reason: {ex.Message}; Value: {value}");
				}
				return false;
			}
		}

		private class InvalidDeserializationTypeException : Exception
		{
			public string expected = null;

			public string received = null;

			public string field = "";
		}

		public static bool ProcessingServerUpdate;

		public readonly string Name;

		public string? DisplayName;

		public string? CurrentVersion;

		public string? MinimumRequiredVersion;

		public bool ModRequired = false;

		private bool? forceConfigLocking;

		private bool isSourceOfTruth = true;

		private static readonly HashSet<ConfigSync> configSyncs;

		private readonly HashSet<OwnConfigEntryBase> allConfigs = new HashSet<OwnConfigEntryBase>();

		private HashSet<CustomSyncedValueBase> allCustomValues = new HashSet<CustomSyncedValueBase>();

		private static bool isServer;

		private static bool lockExempt;

		private OwnConfigEntryBase? lockedConfig = null;

		private const byte PARTIAL_CONFIGS = 1;

		private const byte FRAGMENTED_CONFIG = 2;

		private const byte COMPRESSED_CONFIG = 4;

		private readonly Dictionary<string, SortedDictionary<int, byte[]>> configValueCache = new Dictionary<string, SortedDictionary<int, byte[]>>();

		private readonly List<KeyValuePair<long, string>> cacheExpirations = new List<KeyValuePair<long, string>>();

		private static long packageCounter;

		public bool IsLocked
		{
			get
			{
				bool? flag = forceConfigLocking;
				bool num;
				if (!flag.HasValue)
				{
					if (lockedConfig == null)
					{
						goto IL_0052;
					}
					num = ((IConvertible)lockedConfig.BaseConfig.BoxedValue).ToInt32(CultureInfo.InvariantCulture) != 0;
				}
				else
				{
					num = flag == true;
				}
				if (!num)
				{
					goto IL_0052;
				}
				int result = ((!lockExempt) ? 1 : 0);
				goto IL_0053;
				IL_0052:
				result = 0;
				goto IL_0053;
				IL_0053:
				return (byte)result != 0;
			}
			set
			{
				forceConfigLocking = value;
			}
		}

		public bool IsAdmin => lockExempt || isSourceOfTruth;

		public bool IsSourceOfTruth
		{
			get
			{
				return isSourceOfTruth;
			}
			private set
			{
				if (value != isSourceOfTruth)
				{
					isSourceOfTruth = value;
					this.SourceOfTruthChanged?.Invoke(value);
				}
			}
		}

		public bool InitialSyncDone { get; private set; } = false;

		public event Action<bool>? SourceOfTruthChanged;

		private event Action? lockedConfigChanged;

		static ConfigSync()
		{
			ProcessingServerUpdate = false;
			configSyncs = new HashSet<ConfigSync>();
			lockExempt = false;
			packageCounter = 0L;
			RuntimeHelpers.RunClassConstructor(typeof(VersionCheck).TypeHandle);
		}

		public ConfigSync(string name)
		{
			Name = name;
			configSyncs.Add(this);
			new VersionCheck(this);
		}

		public SyncedConfigEntry<T> AddConfigEntry<T>(ConfigEntry<T> configEntry)
		{
			OwnConfigEntryBase ownConfigEntryBase = configData((ConfigEntryBase)(object)configEntry);
			SyncedConfigEntry<T> syncedEntry = ownConfigEntryBase as SyncedConfigEntry<T>;
			if (syncedEntry == null)
			{
				syncedEntry = new SyncedConfigEntry<T>(configEntry);
				AccessTools.DeclaredField(typeof(ConfigDescription), "<Tags>k__BackingField").SetValue(((ConfigEntryBase)configEntry).Description, new object[1]
				{
					new ConfigurationManagerAttributes()
				}.Concat(((ConfigEntryBase)configEntry).Description.Tags ?? Array.Empty<object>()).Concat(new SyncedConfigEntry<T>[1] { syncedEntry }).ToArray());
				configEntry.SettingChanged += delegate
				{
					if (!ProcessingServerUpdate && syncedEntry.SynchronizedConfig)
					{
						Broadcast(0L, (ConfigEntryBase)configEntry);
					}
				};
				allConfigs.Add(syncedEntry);
			}
			return syncedEntry;
		}

		public SyncedConfigEntry<T> AddLockingConfigEntry<T>(ConfigEntry<T> lockingConfig) where T : IConvertible
		{
			if (lockedConfig != null)
			{
				throw new Exception("Cannot initialize locking ConfigEntry twice");
			}
			lockedConfig = AddConfigEntry<T>(lockingConfig);
			lockingConfig.SettingChanged += delegate
			{
				this.lockedConfigChanged?.Invoke();
			};
			return (SyncedConfigEntry<T>)lockedConfig;
		}

		internal void AddCustomValue(CustomSyncedValueBase customValue)
		{
			if (allCustomValues.Select((CustomSyncedValueBase v) => v.Identifier).Concat(new string[1] { "serverversion" }).Contains(customValue.Identifier))
			{
				throw new Exception("Cannot have multiple settings with the same name or with a reserved name (serverversion)");
			}
			allCustomValues.Add(customValue);
			allCustomValues = new HashSet<CustomSyncedValueBase>(allCustomValues.OrderByDescending((CustomSyncedValueBase v) => v.Priority));
			customValue.ValueChanged += delegate
			{
				if (!ProcessingServerUpdate)
				{
					Broadcast(0L, customValue);
				}
			};
		}

		private void RPC_FromServerConfigSync(ZRpc rpc, ZPackage package)
		{
			lockedConfigChanged += serverLockedSettingChanged;
			IsSourceOfTruth = false;
			if (HandleConfigSyncRPC(0L, package, clientUpdate: false))
			{
				InitialSyncDone = true;
			}
		}

		private void RPC_FromOtherClientConfigSync(long sender, ZPackage package)
		{
			HandleConfigSyncRPC(sender, package, clientUpdate: true);
		}

		private bool HandleConfigSyncRPC(long sender, ZPackage package, bool clientUpdate)
		{
			//IL_0076: Unknown result type (might be due to invalid IL or missing references)
			//IL_007d: Expected O, but got Unknown
			//IL_0250: Unknown result type (might be due to invalid IL or missing references)
			//IL_0257: Expected O, but got Unknown
			//IL_01ea: Unknown result type (might be due to invalid IL or missing references)
			//IL_01f1: Expected O, but got Unknown
			try
			{
				if (isServer && IsLocked)
				{
					ZRpc? currentRpc = SnatchCurrentlyHandlingRPC.currentRpc;
					object obj;
					if (currentRpc == null)
					{
						obj = null;
					}
					else
					{
						ISocket socket = currentRpc.GetSocket();
						obj = ((socket != null) ? socket.GetHostName() : null);
					}
					string text = (string)obj;
					if (text != null)
					{
						MethodInfo methodInfo = AccessTools.DeclaredMethod(typeof(ZNet), "ListContainsId", (Type[])null, (Type[])null);
						SyncedList val = (SyncedList)AccessTools.DeclaredField(typeof(ZNet), "m_adminList").GetValue(ZNet.instance);
						if (!(((object)methodInfo == null) ? val.Contains(text) : ((bool)methodInfo.Invoke(ZNet.instance, new object[2] { val, text }))))
						{
							return false;
						}
					}
				}
				cacheExpirations.RemoveAll(delegate(KeyValuePair<long, string> kv)
				{
					if (kv.Key < DateTimeOffset.Now.Ticks)
					{
						configValueCache.Remove(kv.Value);
						return true;
					}
					return false;
				});
				byte b = package.ReadByte();
				if ((b & 2) != 0)
				{
					long num = package.ReadLong();
					string text2 = sender.ToString() + num;
					if (!configValueCache.TryGetValue(text2, out SortedDictionary<int, byte[]> value))
					{
						value = new SortedDictionary<int, byte[]>();
						configValueCache[text2] = value;
						cacheExpirations.Add(new KeyValuePair<long, string>(DateTimeOffset.Now.AddSeconds(60.0).Ticks, text2));
					}
					int key = package.ReadInt();
					int num2 = package.ReadInt();
					value.Add(key, package.ReadByteArray());
					if (value.Count < num2)
					{
						return false;
					}
					configValueCache.Remove(text2);
					package = new ZPackage(value.Values.SelectMany((byte[] a) => a).ToArray());
					b = package.ReadByte();
				}
				ProcessingServerUpdate = true;
				if ((b & 4) != 0)
				{
					byte[] buffer = package.ReadByteArray();
					MemoryStream stream = new MemoryStream(buffer);
					MemoryStream memoryStream = new MemoryStream();
					using (DeflateStream deflateStream = new DeflateStream(stream, CompressionMode.Decompress))
					{
						deflateStream.CopyTo(memoryStream);
					}
					package = new ZPackage(memoryStream.ToArray());
					b = package.ReadByte();
				}
				if ((b & 1) == 0)
				{
					resetConfigsFromServer();
				}
				ParsedConfigs parsedConfigs = ReadConfigsFromPackage(package);
				ConfigFile val2 = null;
				bool saveOnConfigSet = false;
				foreach (KeyValuePair<OwnConfigEntryBase, object> configValue in parsedConfigs.configValues)
				{
					if (!isServer && configValue.Key.LocalBaseValue == null)
					{
						configValue.Key.LocalBaseValue = configValue.Key.BaseConfig.BoxedValue;
					}
					if (val2 == null)
					{
						val2 = configValue.Key.BaseConfig.ConfigFile;
						saveOnConfigSet = val2.SaveOnConfigSet;
						val2.SaveOnConfigSet = false;
					}
					configValue.Key.BaseConfig.BoxedValue = configValue.Value;
				}
				if (val2 != null)
				{
					val2.SaveOnConfigSet = saveOnConfigSet;
					val2.Save();
				}
				foreach (KeyValuePair<CustomSyncedValueBase, object> customValue in parsedConfigs.customValues)
				{
					if (!isServer)
					{
						CustomSyncedValueBase key2 = customValue.Key;
						if (key2.LocalBaseValue == null)
						{
							key2.LocalBaseValue = customValue.Key.BoxedValue;
						}
					}
					customValue.Key.BoxedValue = customValue.Value;
				}
				Debug.Log((object)string.Format("Received {0} configs and {1} custom values from {2} for mod {3}", parsedConfigs.configValues.Count, parsedConfigs.customValues.Count, (isServer || clientUpdate) ? $"client {sender}" : "the server", DisplayName ?? Name));
				if (!isServer)
				{
					serverLockedSettingChanged();
				}
				return true;
			}
			finally
			{
				ProcessingServerUpdate = false;
			}
		}

		private ParsedConfigs ReadConfigsFromPackage(ZPackage package)
		{
			ParsedConfigs parsedConfigs = new ParsedConfigs();
			Dictionary<string, OwnConfigEntryBase> dictionary = allConfigs.Where((OwnConfigEntryBase c) => c.SynchronizedConfig).ToDictionary((OwnConfigEntryBase c) => c.BaseConfig.Definition.Section + "_" + c.BaseConfig.Definition.Key, (OwnConfigEntryBase c) => c);
			Dictionary<string, CustomSyncedValueBase> dictionary2 = allCustomValues.ToDictionary((CustomSyncedValueBase c) => c.Identifier, (CustomSyncedValueBase c) => c);
			int num = package.ReadInt();
			for (int num2 = 0; num2 < num; num2++)
			{
				string text = package.ReadString();
				string text2 = package.ReadString();
				string text3 = package.ReadString();
				Type type = Type.GetType(text3);
				if (text3 == "" || type != null)
				{
					object obj;
					try
					{
						obj = ((text3 == "") ? null : ReadValueWithTypeFromZPackage(package, type));
					}
					catch (InvalidDeserializationTypeException ex)
					{
						Debug.LogWarning((object)("Got unexpected struct internal type " + ex.received + " for field " + ex.field + " struct " + text3 + " for " + text2 + " in section " + text + " for mod " + (DisplayName ?? Name) + ", expecting " + ex.expected));
						continue;
					}
					OwnConfigEntryBase value2;
					if (text == "Internal")
					{
						CustomSyncedValueBase value;
						if (text2 == "serverversion")
						{
							if (obj?.ToString() != CurrentVersion)
							{
								Debug.LogWarning((object)("Received server version is not equal: server version = " + (obj?.ToString() ?? "null") + "; local version = " + (CurrentVersion ?? "unknown")));
							}
						}
						else if (text2 == "lockexempt")
						{
							if (obj is bool flag)
							{
								lockExempt = flag;
							}
						}
						else if (dictionary2.TryGetValue(text2, out value))
						{
							if ((text3 == "" && (!value.Type.IsValueType || Nullable.GetUnderlyingType(value.Type) != null)) || GetZPackageTypeString(value.Type) == text3)
							{
								parsedConfigs.customValues[value] = obj;
								continue;
							}
							Debug.LogWarning((object)("Got unexpected type " + text3 + " for internal value " + text2 + " for mod " + (DisplayName ?? Name) + ", expecting " + value.Type.AssemblyQualifiedName));
						}
					}
					else if (dictionary.TryGetValue(text + "_" + text2, out value2))
					{
						Type type2 = configType(value2.BaseConfig);
						if ((text3 == "" && (!type2.IsValueType || Nullable.GetUnderlyingType(type2) != null)) || GetZPackageTypeString(type2) == text3)
						{
							parsedConfigs.configValues[value2] = obj;
							continue;
						}
						Debug.LogWarning((object)("Got unexpected type " + text3 + " for " + text2 + " in section " + text + " for mod " + (DisplayName ?? Name) + ", expecting " + type2.AssemblyQualifiedName));
					}
					else
					{
						Debug.LogWarning((object)("Received unknown config entry " + text2 + " in section " + text + " for mod " + (DisplayName ?? Name) + ". This may happen if client and server versions of the mod do not match."));
					}
					continue;
				}
				Debug.LogWarning((object)("Got invalid type " + text3 + ", abort reading of received configs"));
				return new ParsedConfigs();
			}
			return parsedConfigs;
		}

		private static bool isWritableConfig(OwnConfigEntryBase config)
		{
			ConfigSync configSync = configSyncs.FirstOrDefault((ConfigSync cs) => cs.allConfigs.Contains(config));
			if (configSync == null)
			{
				return true;
			}
			return configSync.IsSourceOfTruth || !config.SynchronizedConfig || config.LocalBaseValue == null || (!configSync.IsLocked && (config != configSync.lockedConfig || lockExempt));
		}

		private void serverLockedSettingChanged()
		{
			foreach (OwnConfigEntryBase allConfig in allConfigs)
			{
				configAttribute<ConfigurationManagerAttributes>(allConfig.BaseConfig).ReadOnly = !isWritableConfig(allConfig);
			}
		}

		private void resetConfigsFromServer()
		{
			ConfigFile val = null;
			bool saveOnConfigSet = false;
			foreach (OwnConfigEntryBase item in allConfigs.Where((OwnConfigEntryBase config) => config.LocalBaseValue != null))
			{
				if (val == null)
				{
					val = item.BaseConfig.ConfigFile;
					saveOnConfigSet = val.SaveOnConfigSet;
					val.SaveOnConfigSet = false;
				}
				item.BaseConfig.BoxedValue = item.LocalBaseValue;
				item.LocalBaseValue = null;
			}
			if (val != null)
			{
				val.SaveOnConfigSet = saveOnConfigSet;
			}
			foreach (CustomSyncedValueBase item2 in allCustomValues.Where((CustomSyncedValueBase config) => config.LocalBaseValue != null))
			{
				item2.BoxedValue = item2.LocalBaseValue;
				item2.LocalBaseValue = null;
			}
			lockedConfigChanged -= serverLockedSettingChanged;
			serverLockedSettingChanged();
		}

		private IEnumerator<bool> distributeConfigToPeers(ZNetPeer peer, ZPackage package)
		{
			ZRoutedRpc rpc = ZRoutedRpc.instance;
			if (rpc == null)
			{
				yield break;
			}
			byte[] data = package.GetArray();
			if (data != null && data.LongLength > 250000)
			{
				int fragments = (int)(1 + (data.LongLength - 1) / 250000);
				long packageIdentifier = ++packageCounter;
				int fragment = 0;
				while (fragment < fragments)
				{
					foreach (bool item in waitForQueue())
					{
						yield return item;
					}
					if (peer.m_socket.IsConnected())
					{
						ZPackage fragmentedPackage = new ZPackage();
						fragmentedPackage.Write((byte)2);
						fragmentedPackage.Write(packageIdentifier);
						fragmentedPackage.Write(fragment);
						fragmentedPackage.Write(fragments);
						fragmentedPackage.Write(data.Skip(250000 * fragment).Take(250000).ToArray());
						SendPackage(fragmentedPackage);
						if (fragment != fragments - 1)
						{
							yield return true;
						}
						int num = fragment + 1;
						fragment = num;
						continue;
					}
					break;
				}
				yield break;
			}
			foreach (bool item2 in waitForQueue())
			{
				yield return item2;
			}
			SendPackage(package);
			void SendPackage(ZPackage pkg)
			{
				string text = Name + " ConfigSync";
				if (isServer)
				{
					peer.m_rpc.Invoke(text, new object[1] { pkg });
				}
				else
				{
					rpc.InvokeRoutedRPC(peer.m_server ? 0 : peer.m_uid, text, new object[1] { pkg });
				}
			}
			IEnumerable<bool> waitForQueue()
			{
				float timeout = Time.time + 30f;
				while (peer.m_socket.GetSendQueueSize() > 20000)
				{
					if (Time.time > timeout)
					{
						Debug.Log((object)$"Disconnecting {peer.m_uid} after 30 seconds config sending timeout");
						peer.m_rpc.Invoke("Error", new object[1] { (object)(ConnectionStatus)5 });
						ZNet.instance.Disconnect(peer);
						break;
					}
					yield return false;
				}
			}
		}

		private IEnumerator sendZPackage(long target, ZPackage package)
		{
			if (!Object.op_Implicit((Object)(object)ZNet.instance))
			{
				return Enumerable.Empty<object>().GetEnumerator();
			}
			List<ZNetPeer> list = (List<ZNetPeer>)AccessTools.DeclaredField(typeof(ZRoutedRpc), "m_peers").GetValue(ZRoutedRpc.instance);
			if (target != 0)
			{
				list = list.Where((ZNetPeer p) => p.m_uid == target).ToList();
			}
			return sendZPackage(list, package);
		}

		private IEnumerator sendZPackage(List<ZNetPeer> peers, ZPackage package)
		{
			if (!Object.op_Implicit((Object)(object)ZNet.instance))
			{
				yield break;
			}
			byte[] rawData = package.GetArray();
			if (rawData != null && rawData.LongLength > 10000)
			{
				ZPackage compressedPackage = new ZPackage();
				compressedPackage.Write((byte)4);
				MemoryStream output = new MemoryStream();
				using (DeflateStream deflateStream = new DeflateStream(output, CompressionLevel.Optimal))
				{
					deflateStream.Write(rawData, 0, rawData.Length);
				}
				compressedPackage.Write(output.ToArray());
				package = compressedPackage;
			}
			List<IEnumerator<bool>> writers = (from p in peers
				where p.IsReady()
				select distributeConfigToPeers(p, package)).ToList();
			writers.RemoveAll((IEnumerator<bool> writer) => !writer.MoveNext());
			while (writers.Count > 0)
			{
				yield return null;
				writers.RemoveAll((IEnumerator<bool> writer) => !writer.MoveNext());
			}
		}

		private void Broadcast(long target, params ConfigEntryBase[] configs)
		{
			if (!IsLocked || isServer)
			{
				ZPackage package = ConfigsToPackage(configs);
				ZNet instance = ZNet.instance;
				if (instance != null)
				{
					((MonoBehaviour)instance).StartCoroutine(sendZPackage(target, package));
				}
			}
		}

		private void Broadcast(long target, params CustomSyncedValueBase[] customValues)
		{
			if (!IsLocked || isServer)
			{
				ZPackage package = ConfigsToPackage(null, customValues);
				ZNet instance = ZNet.instance;
				if (instance != null)
				{
					((MonoBehaviour)instance).StartCoroutine(sendZPackage(target, package));
				}
			}
		}

		private static OwnConfigEntryBase? configData(ConfigEntryBase config)
		{
			return config.Description.Tags?.OfType<OwnConfigEntryBase>().SingleOrDefault();
		}

		public static SyncedConfigEntry<T>? ConfigData<T>(ConfigEntry<T> config)
		{
			return ((ConfigEntryBase)config).Description.Tags?.OfType<SyncedConfigEntry<T>>().SingleOrDefault();
		}

		private static T configAttribute<T>(ConfigEntryBase config)
		{
			return config.Description.Tags.OfType<T>().First();
		}

		private static Type configType(ConfigEntryBase config)
		{
			return configType(config.SettingType);
		}

		private static Type configType(Type type)
		{
			return type.IsEnum ? Enum.GetUnderlyingType(type) : type;
		}

		private static ZPackage ConfigsToPackage(IEnumerable<ConfigEntryBase>? configs = null, IEnumerable<CustomSyncedValueBase>? customValues = null, IEnumerable<PackageEntry>? packageEntries = null, bool partial = true)
		{
			//IL_0051: Unknown result type (might be due to invalid IL or missing references)
			//IL_0057: Expected O, but got Unknown
			List<ConfigEntryBase> list = configs?.Where((ConfigEntryBase config) => configData(config).SynchronizedConfig).ToList() ?? new List<ConfigEntryBase>();
			List<CustomSyncedValueBase> list2 = customValues?.ToList() ?? new List<CustomSyncedValueBase>();
			ZPackage val = new ZPackage();
			val.Write((byte)(partial ? 1 : 0));
			val.Write(list.Count + list2.Count + (packageEntries?.Count() ?? 0));
			foreach (PackageEntry item in packageEntries ?? Array.Empty<PackageEntry>())
			{
				AddEntryToPackage(val, item);
			}
			foreach (CustomSyncedValueBase item2 in list2)
			{
				AddEntryToPackage(val, new PackageEntry
				{
					section = "Internal",
					key = item2.Identifier,
					type = item2.Type,
					value = item2.BoxedValue
				});
			}
			foreach (ConfigEntryBase item3 in list)
			{
				AddEntryToPackage(val, new PackageEntry
				{
					section = item3.Definition.Section,
					key = item3.Definition.Key,
					type = configType(item3),
					value = item3.BoxedValue
				});
			}
			return val;
		}

		private static void AddEntryToPackage(ZPackage package, PackageEntry entry)
		{
			package.Write(entry.section);
			package.Write(entry.key);
			package.Write((entry.value == null) ? "" : GetZPackageTypeString(entry.type));
			AddValueToZPackage(package, entry.value);
		}

		private static string GetZPackageTypeString(Type type)
		{
			return type.AssemblyQualifiedName;
		}

		private static void AddValueToZPackage(ZPackage package, object? value)
		{
			Type type = value?.GetType();
			if (value is Enum)
			{
				value = ((IConvertible)value).ToType(Enum.GetUnderlyingType(value.GetType()), CultureInfo.InvariantCulture);
			}
			else
			{
				if (value is ICollection collection)
				{
					package.Write(collection.Count);
					{
						foreach (object item in collection)
						{
							AddValueToZPackage(package, item);
						}
						return;
					}
				}
				if ((object)type != null && type.IsValueType && !type.IsPrimitive)
				{
					FieldInfo[] fields = type.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
					package.Write(fields.Length);
					FieldInfo[] array = fields;
					foreach (FieldInfo fieldInfo in array)
					{
						package.Write(GetZPackageTypeString(fieldInfo.FieldType));
						AddValueToZPackage(package, fieldInfo.GetValue(value));
					}
					return;
				}
			}
			ZRpc.Serialize(new object[1] { value }, ref package);
		}

		private static object ReadValueWithTypeFromZPackage(ZPackage package, Type type)
		{
			if ((object)type != null && type.IsValueType && !type.IsPrimitive && !type.IsEnum)
			{
				FieldInfo[] fields = type.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
				int num = package.ReadInt();
				if (num != fields.Length)
				{
					throw new InvalidDeserializationTypeException
					{
						received = $"(field count: {num})",
						expected = $"(field count: {fields.Length})"
					};
				}
				object uninitializedObject = FormatterServices.GetUninitializedObject(type);
				FieldInfo[] array = fields;
				foreach (FieldInfo fieldInfo in array)
				{
					string text = package.ReadString();
					if (text != GetZPackageTypeString(fieldInfo.FieldType))
					{
						throw new InvalidDeserializationTypeException
						{
							received = text,
							expected = GetZPackageTypeString(fieldInfo.FieldType),
							field = fieldInfo.Name
						};
					}
					fieldInfo.SetValue(uninitializedObject, ReadValueWithTypeFromZPackage(package, fieldInfo.FieldType));
				}
				return uninitializedObject;
			}
			if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Dictionary<, >))
			{
				int num2 = package.ReadInt();
				IDictionary dictionary = (IDictionary)Activator.CreateInstance(type);
				Type type2 = typeof(KeyValuePair<, >).MakeGenericType(type.GenericTypeArguments);
				FieldInfo field = type2.GetField("key", BindingFlags.Instance | BindingFlags.NonPublic);
				FieldInfo field2 = type2.GetField("value", BindingFlags.Instance | BindingFlags.NonPublic);
				for (int j = 0; j < num2; j++)
				{
					object obj = ReadValueWithTypeFromZPackage(package, type2);
					dictionary.Add(field.GetValue(obj), field2.GetValue(obj));
				}
				return dictionary;
			}
			if (type != typeof(List<string>) && type.IsGenericType)
			{
				Type type3 = typeof(ICollection<>).MakeGenericType(type.GenericTypeArguments[0]);
				if ((object)type3 != null && type3.IsAssignableFrom(type))
				{
					int num3 = package.ReadInt();
					object obj2 = Activator.CreateInstance(type);
					MethodInfo method = type3.GetMethod("Add");
					for (int k = 0; k < num3; k++)
					{
						method.Invoke(obj2, new object[1] { ReadValueWithTypeFromZPackage(package, type.GenericTypeArguments[0]) });
					}
					return obj2;
				}
			}
			ParameterInfo parameterInfo = (ParameterInfo)FormatterServices.GetUninitializedObject(typeof(ParameterInfo));
			AccessTools.DeclaredField(typeof(ParameterInfo), "ClassImpl").SetValue(parameterInfo, type);
			List<object> source = new List<object>();
			ZRpc.Deserialize(new ParameterInfo[2] { null, parameterInfo }, package, ref source);
			return source.First();
		}
	}
	[PublicAPI]
	[HarmonyPatch]
	internal class VersionCheck
	{
		private static readonly HashSet<VersionCheck> versionChecks;

		private static readonly Dictionary<string, string> notProcessedNames;

		public string Name;

		private string? displayName;

		private string? currentVersion;

		private string? minimumRequiredVersion;

		public bool ModRequired = true;

		private string? ReceivedCurrentVersion;

		private string? ReceivedMinimumRequiredVersion;

		private readonly List<ZRpc> ValidatedClients = new List<ZRpc>();

		private ConfigSync? ConfigSync;

		public string DisplayName
		{
			get
			{
				return displayName ?? Name;
			}
			set
			{
				displayName = value;
			}
		}

		public string CurrentVersion
		{
			get
			{
				return currentVersion ?? "0.0.0";
			}
			set
			{
				currentVersion = value;
			}
		}

		public string MinimumRequiredVersion
		{
			get
			{
				return minimumRequiredVersion ?? (ModRequired ? CurrentVersion : "0.0.0");
			}
			set
			{
				minimumRequiredVersion = value;
			}
		}

		private static void PatchServerSync()
		{
			//IL_005e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0064: Expected O, but got Unknown
			Patches patchInfo = PatchProcessor.GetPatchInfo((MethodBase)AccessTools.DeclaredMethod(typeof(ZNet), "Awake", (Type[])null, (Type[])null));
			if (patchInfo != null && patchInfo.Postfixes.Count((Patch p) => p.PatchMethod.DeclaringType == typeof(ConfigSync.RegisterRPCPatch)) > 0)
			{
				return;
			}
			Harmony val = new Harmony("org.bepinex.helpers.ServerSync");
			foreach (Type item in from t in typeof(ConfigSync).GetNestedTypes(BindingFlags.NonPublic).Concat(new Type[1] { typeof(VersionCheck) })
				where t.IsClass
				select t)
			{
				val.PatchAll(item);
			}
		}

		static VersionCheck()
		{
			versionChecks = new HashSet<VersionCheck>();
			notProcessedNames = new Dictionary<string, string>();
			typeof(ThreadingHelper).GetMethod("StartSyncInvoke").Invoke(ThreadingHelper.Instance, new object[1]
			{
				new Action(PatchServerSync)
			});
		}

		public VersionCheck(string name)
		{
			Name = name;
			ModRequired = true;
			versionChecks.Add(this);
		}

		public VersionCheck(ConfigSync configSync)
		{
			ConfigSync = configSync;
			Name = ConfigSync.Name;
			versionChecks.Add(this);
		}

		public void Initialize()
		{
			ReceivedCurrentVersion = null;
			ReceivedMinimumRequiredVersion = null;
			if (ConfigSync != null)
			{
				Name = ConfigSync.Name;
				DisplayName = ConfigSync.DisplayName;
				CurrentVersion = ConfigSync.CurrentVersion;
				MinimumRequiredVersion = ConfigSync.MinimumRequiredVersion;
				ModRequired = ConfigSync.ModRequired;
			}
		}

		private bool IsVersionOk()
		{
			if (ReceivedMinimumRequiredVersion == null || ReceivedCurrentVersion == null)
			{
				return !ModRequired;
			}
			bool flag = new Version(CurrentVersion) >= new Version(ReceivedMinimumRequiredVersion);
			bool flag2 = new Version(ReceivedCurrentVersion) >= new Version(MinimumRequiredVersion);
			return flag && flag2;
		}

		private string ErrorClient()
		{
			if (ReceivedMinimumRequiredVersion == null)
			{
				return DisplayName + " is not installed on the server.";
			}
			return (new Version(CurrentVersion) >= new Version(ReceivedMinimumRequiredVersion)) ? (DisplayName + " may not be higher than version " + ReceivedCurrentVersion + ". You have version " + CurrentVersion + ".") : (DisplayName + " needs to be at least version " + ReceivedMinimumRequiredVersion + ". You have version " + CurrentVersion + ".");
		}

		private string ErrorServer(ZRpc rpc)
		{
			return "Disconnect: The client (" + rpc.GetSocket().GetHostName() + ") doesn't have the correct " + DisplayName + " version " + MinimumRequiredVersion;
		}

		private string Error(ZRpc? rpc = null)
		{
			return (rpc == null) ? ErrorClient() : ErrorServer(rpc);
		}

		private static VersionCheck[] GetFailedClient()
		{
			return versionChecks.Where((VersionCheck check) => !check.IsVersionOk()).ToArray();
		}

		private static VersionCheck[] GetFailedServer(ZRpc rpc)
		{
			return versionChecks.Where((VersionCheck check) => check.ModRequired && !check.ValidatedClients.Contains(rpc)).ToArray();
		}

		private static void Logout()
		{
			Game.instance.Logout(true, true);
			AccessTools.DeclaredField(typeof(ZNet), "m_connectionStatus").SetValue(null, (object)(ConnectionStatus)3);
		}

		private static void DisconnectClient(ZRpc rpc)
		{
			rpc.Invoke("Error", new object[1] { 3 });
		}

		private static void CheckVersion(ZRpc rpc, ZPackage pkg)
		{
			CheckVersion(rpc, pkg, null);
		}

		private static void CheckVersion(ZRpc rpc, ZPackage pkg, Action<ZRpc, ZPackage>? original)
		{
			string text = pkg.ReadString();
			string text2 = pkg.ReadString();
			string text3 = pkg.ReadString();
			bool flag = false;
			foreach (VersionCheck versionCheck in versionChecks)
			{
				if (!(text != versionCheck.Name))
				{
					Debug.Log((object)("Received " + versionCheck.DisplayName + " version " + text3 + " and minimum version " + text2 + " from the " + (ZNet.instance.IsServer() ? "client" : "server") + "."));
					versionCheck.ReceivedMinimumRequiredVersion = text2;
					versionCheck.ReceivedCurrentVersion = text3;
					if (ZNet.instance.IsServer() && versionCheck.IsVersionOk())
					{
						versionCheck.ValidatedClients.Add(rpc);
					}
					flag = true;
				}
			}
			if (flag)
			{
				return;
			}
			pkg.SetPos(0);
			if (original != null)
			{
				original(rpc, pkg);
				if (pkg.GetPos() == 0)
				{
					notProcessedNames.Add(text, text3);
				}
			}
		}

		[HarmonyPatch(typeof(ZNet), "RPC_PeerInfo")]
		[HarmonyPrefix]
		private static bool RPC_PeerInfo(ZRpc rpc, ZNet __instance)
		{
			VersionCheck[] array = (__instance.IsServer() ? GetFailedServer(rpc) : GetFailedClient());
			if (array.Length == 0)
			{
				return true;
			}
			VersionCheck[] array2 = array;
			foreach (VersionCheck versionCheck in array2)
			{
				Debug.LogWarning((object)versionCheck.Error(rpc));
			}
			if (__instance.IsServer())
			{
				DisconnectClient(rpc);
			}
			else
			{
				Logout();
			}
			return false;
		}

		[HarmonyPatch(typeof(ZNet), "OnNewConnection")]
		[HarmonyPrefix]
		private static void RegisterAndCheckVersion(ZNetPeer peer, ZNet __instance)
		{
			//IL_018e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0195: Expected O, but got Unknown
			notProcessedNames.Clear();
			IDictionary dictionary = (IDictionary)typeof(ZRpc).GetField("m_functions", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(peer.m_rpc);
			if (dictionary.Contains(StringExtensionMethods.GetStableHashCode("ServerSync VersionCheck")))
			{
				object obj = dictionary[StringExtensionMethods.GetStableHashCode("ServerSync VersionCheck")];
				Action<ZRpc, ZPackage> action = (Action<ZRpc, ZPackage>)obj.GetType().GetField("m_action", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(obj);
				peer.m_rpc.Register<ZPackage>("ServerSync VersionCheck", (Action<ZRpc, ZPackage>)delegate(ZRpc rpc, ZPackage pkg)
				{
					CheckVersion(rpc, pkg, action);
				});
			}
			else
			{
				peer.m_rpc.Register<ZPackage>("ServerSync VersionCheck", (Action<ZRpc, ZPackage>)CheckVersion);
			}
			foreach (VersionCheck versionCheck in versionChecks)
			{
				versionCheck.Initialize();
				if (versionCheck.ModRequired || __instance.IsServer())
				{
					Debug.Log((object)("Sending " + versionCheck.DisplayName + " version " + versionCheck.CurrentVersion + " and minimum version " + versionCheck.MinimumRequiredVersion + " to the " + (__instance.IsServer() ? "client" : "server") + "."));
					ZPackage val = new ZPackage();
					val.Write(versionCheck.Name);
					val.Write(versionCheck.MinimumRequiredVersion);
					val.Write(versionCheck.CurrentVersion);
					peer.m_rpc.Invoke("ServerSync VersionCheck", new object[1] { val });
				}
			}
		}

		[HarmonyPatch(typeof(ZNet), "Disconnect")]
		[HarmonyPrefix]
		private static void RemoveDisconnected(ZNetPeer peer, ZNet __instance)
		{
			if (!__instance.IsServer())
			{
				return;
			}
			foreach (VersionCheck versionCheck in versionChecks)
			{
				versionCheck.ValidatedClients.Remove(peer.m_rpc);
			}
		}

		[HarmonyPatch(typeof(FejdStartup), "ShowConnectError")]
		[HarmonyPostfix]
		private static void ShowConnectionError(FejdStartup __instance)
		{
			//IL_000e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0014: Invalid comparison between Unknown and I4
			//IL_0186: Unknown result type (might be due to invalid IL or missing references)
			//IL_018b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0199: Unknown result type (might be due to invalid IL or missing references)
			//IL_01de: Unknown result type (might be due to invalid IL or missing references)
			//IL_01ea: Unknown result type (might be due to invalid IL or missing references)
			//IL_01f8: Unknown result type (might be due to invalid IL or missing references)
			//IL_020a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0219: Unknown result type (might be due to invalid IL or missing references)
			//IL_021e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0229: Unknown result type (might be due to invalid IL or missing references)
			if (!__instance.m_connectionFailedPanel.activeSelf || (int)ZNet.GetConnectionStatus() != 3)
			{
				return;
			}
			bool flag = false;
			VersionCheck[] failedClient = GetFailedClient();
			if (failedClient.Length != 0)
			{
				string text = string.Join("\n", failedClient.Select((VersionCheck check) => check.Error()));
				TMP_Text connectionFailedError = __instance.m_connectionFailedError;
				connectionFailedError.text = connectionFailedError.text + "\n" + text;
				flag = true;
			}
			foreach (KeyValuePair<string, string> item in notProcessedNames.OrderBy<KeyValuePair<string, string>, string>((KeyValuePair<string, string> kv) => kv.Key))
			{
				if (!__instance.m_connectionFailedError.text.Contains(item.Key))
				{
					TMP_Text connectionFailedError2 = __instance.m_connectionFailedError;
					connectionFailedError2.text = connectionFailedError2.text + "\nServer expects you to have " + item.Key + " (Version: " + item.Value + ") installed.";
					flag = true;
				}
			}
			if (flag)
			{
				RectTransform component = ((Component)__instance.m_connectionFailedPanel.transform.Find("Image")).GetComponent<RectTransform>();
				Vector2 sizeDelta = component.sizeDelta;
				sizeDelta.x = 675f;
				component.sizeDelta = sizeDelta;
				__instance.m_connectionFailedError.ForceMeshUpdate(false, false);
				float num = __instance.m_connectionFailedError.renderedHeight + 105f;
				RectTransform component2 = ((Component)((Component)component).transform.Find("ButtonOk")).GetComponent<RectTransform>();
				component2.anchoredPosition = new Vector2(component2.anchoredPosition.x, component2.anchoredPosition.y - (num - component.sizeDelta.y) / 2f);
				sizeDelta = component.sizeDelta;
				sizeDelta.y = num;
				component.sizeDelta = sizeDelta;
			}
		}
	}
}