using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.Versioning;
using System.Security;
using System.Security.Permissions;
using BepInEx;
using BepInEx.Configuration;
using BepInEx.Logging;
using IL.RoR2.Projectile;
using Microsoft.CodeAnalysis;
using Mono.Cecil.Cil;
using MonoMod.Cil;
using RoR2;
using RoR2.Projectile;
using UnityEngine;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.Default | DebuggableAttribute.DebuggingModes.DisableOptimizations | DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints | DebuggableAttribute.DebuggingModes.EnableEditAndContinue)]
[assembly: TargetFramework(".NETStandard,Version=v2.1", FrameworkDisplayName = ".NET Standard 2.1")]
[assembly: AssemblyCompany("SmartMissiles")]
[assembly: AssemblyConfiguration("Debug")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0+cfa65b8bacf4aff3088bfe423c20452f959a5399")]
[assembly: AssemblyProduct("SmartMissiles")]
[assembly: AssemblyTitle("SmartMissiles")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("1.0.0.0")]
[module: UnverifiableCode]
[module: RefSafetyRules(11)]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.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 SmartMissiles
{
	internal static class Log
	{
		private 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 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);
		}
	}
	public static class SmartBullseyeSearch
	{
		public static bool CheckImmune(CandidateInfo candidateInfo)
		{
			//IL_0001: 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_0042: Unknown result type (might be due to invalid IL or missing references)
			HurtBox hurtBox = candidateInfo.hurtBox;
			object obj;
			if (hurtBox == null)
			{
				obj = null;
			}
			else
			{
				HealthComponent healthComponent = hurtBox.healthComponent;
				obj = ((healthComponent != null) ? ((Component)healthComponent).GetComponent<CharacterBody>() : null);
			}
			CharacterBody val = (CharacterBody)obj;
			if (val != null && (val.GetBuffCount(Buffs.Immune.buffIndex) > 0 || val.GetBuffCount(Buffs.HiddenInvincibility.buffIndex) > 0))
			{
				return true;
			}
			return false;
		}

		public static void RefreshCandidatesSmart(this BullseyeSearch bullseyeSearch)
		{
			//IL_0142: Unknown result type (might be due to invalid IL or missing references)
			//IL_015b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0160: Unknown result type (might be due to invalid IL or missing references)
			//IL_0167: Unknown result type (might be due to invalid IL or missing references)
			//IL_017e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0175: Unknown result type (might be due to invalid IL or missing references)
			//IL_01b9: Unknown result type (might be due to invalid IL or missing references)
			Func<HurtBox, CandidateInfo> selector = bullseyeSearch.GetSelector();
			int count = HurtBox.readOnlyBullseyesList.Count;
			List<CandidateInfo> list = (bullseyeSearch.candidatesEnumerable = new List<CandidateInfo>(count));
			bool filterByAngle = bullseyeSearch.filterByAngle;
			bool filterByDistance = bullseyeSearch.filterByDistance;
			float minDistanceSqr = 0f;
			float maxDistanceSqr = 0f;
			if (filterByDistance)
			{
				float num = bullseyeSearch.maxDistanceFilter;
				if (Object.op_Implicit((Object)(object)bullseyeSearch.viewer))
				{
					num = Mathf.Min(num, bullseyeSearch.viewer.visionDistance);
				}
				minDistanceSqr = bullseyeSearch.minDistanceFilter * bullseyeSearch.minDistanceFilter;
				maxDistanceSqr = num * num;
			}
			for (int i = 0; i < count; i++)
			{
				HurtBox val = HurtBox.readOnlyBullseyesList[i];
				int item = 0;
				if (bullseyeSearch.filterByDistinctEntity)
				{
					item = ((Object)val.healthComponent).GetInstanceID();
					if (bullseyeSearch.DistinctEntityHash.Contains(item))
					{
						continue;
					}
				}
				if (!((TeamMask)(ref bullseyeSearch.teamMaskFilter)).HasTeam(val.teamIndex))
				{
					continue;
				}
				CandidateInfo val2 = selector(val);
				if ((!filterByAngle || DotOkay(val2)) && (!filterByDistance || DistanceOkay(val2)) && !CheckImmune(val2))
				{
					if (bullseyeSearch.filterByDistinctEntity)
					{
						bullseyeSearch.DistinctEntityHash.Add(item);
					}
					list.Add(val2);
				}
			}
			Func<CandidateInfo, float> sorter = bullseyeSearch.GetSorter();
			if (sorter != null)
			{
				Comparison<CandidateInfo> comparison = (CandidateInfo x, CandidateInfo y) => sorter(x).CompareTo(sorter(y));
				list.Sort(comparison);
			}
			if (bullseyeSearch.filterByDistinctEntity)
			{
				bullseyeSearch.DistinctEntityHash.Clear();
			}
			bool DistanceOkay(CandidateInfo candidateInfo2)
			{
				//IL_0001: 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)
				if (candidateInfo2.distanceSqr >= minDistanceSqr)
				{
					return candidateInfo2.distanceSqr <= maxDistanceSqr;
				}
				return false;
			}
			bool DotOkay(CandidateInfo candidateInfo2)
			{
				//IL_000c: 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 (bullseyeSearch.minThetaDot <= candidateInfo2.dot)
				{
					return candidateInfo2.dot <= bullseyeSearch.maxThetaDot;
				}
				return false;
			}
		}
	}
	[BepInPlugin("mwmw.SmartMissiles", "SmartMissiles", "1.0.0")]
	public class SmartMissiles : BaseUnityPlugin
	{
		[CompilerGenerated]
		private static class <>O
		{
			public static Manipulator <0>__ReplaceMissileTargetRefresh;

			public static Manipulator <1>__RefreshOnImmune;
		}

		public const string PluginGUID = "mwmw.SmartMissiles";

		public const string PluginAuthor = "mwmw";

		public const string PluginName = "SmartMissiles";

		public const string PluginVersion = "1.0.0";

		public static ConfigFile config;

		public void Awake()
		{
			//IL_001d: 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_0028: Expected O, but got Unknown
			//IL_003e: 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_0049: Expected O, but got Unknown
			Log.Init(((BaseUnityPlugin)this).Logger);
			object obj = <>O.<0>__ReplaceMissileTargetRefresh;
			if (obj == null)
			{
				Manipulator val = ReplaceMissileTargetRefresh;
				<>O.<0>__ReplaceMissileTargetRefresh = val;
				obj = (object)val;
			}
			MissileController.FindTarget += (Manipulator)obj;
			object obj2 = <>O.<1>__RefreshOnImmune;
			if (obj2 == null)
			{
				Manipulator val2 = RefreshOnImmune;
				<>O.<1>__RefreshOnImmune = val2;
				obj2 = (object)val2;
			}
			MissileController.FixedUpdate += (Manipulator)obj2;
		}

		private static void RefreshOnImmune(ILContext il)
		{
			//IL_0022: Unknown result type (might be due to invalid IL or missing references)
			//IL_0028: Expected O, but got Unknown
			//IL_0064: Unknown result type (might be due to invalid IL or missing references)
			//IL_0078: Unknown result type (might be due to invalid IL or missing references)
			Func<MissileController, bool> func = delegate(MissileController missileController)
			{
				//IL_004d: 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)
				object obj;
				if (missileController == null)
				{
					obj = null;
				}
				else
				{
					ProjectileTargetComponent targetComponent = missileController.targetComponent;
					if (targetComponent == null)
					{
						obj = null;
					}
					else
					{
						Transform target = targetComponent.target;
						obj = ((target == null) ? null : ((Component)target).GetComponent<HurtBox>()?.healthComponent?.body);
					}
				}
				CharacterBody val4 = (CharacterBody)obj;
				return ((Object)(object)val4 != (Object)null && (val4.GetBuffCount(Buffs.Immune.buffIndex) > 0 || val4.GetBuffCount(Buffs.HiddenInvincibility.buffIndex) > 0)) ? true : false;
			};
			ILCursor val = new ILCursor(il);
			ILLabel val2 = val.DefineLabel();
			if (val.TryGotoNext((MoveType)2, new Func<Instruction, bool>[1]
			{
				(Instruction x) => ILPatternMatchingExt.MatchStloc(x, 3)
			}))
			{
				val.Emit(OpCodes.Ldarg_0);
				val.EmitDelegate<Func<MissileController, bool>>(func);
				val.Emit(OpCodes.Brtrue, (object)val2);
				ILLabel val3 = default(ILLabel);
				if (val.TryGotoNext((MoveType)2, new Func<Instruction, bool>[1]
				{
					(Instruction x) => ILPatternMatchingExt.MatchBrtrue(x, ref val3)
				}))
				{
					val.MarkLabel(val2);
				}
				else
				{
					Log.Error("Part 2 of RefreshOnImmune ILHook failed. Missiles are slightly dumb still, or worse...");
				}
			}
			else
			{
				Log.Error("Part 1 of RefreshOnImmune ILHook failed. Missiles are slightly dumb still...");
			}
		}

		private static void ReplaceMissileTargetRefresh(ILContext il)
		{
			//IL_0022: Unknown result type (might be due to invalid IL or missing references)
			//IL_0028: Expected O, but got Unknown
			//IL_006c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0079: Unknown result type (might be due to invalid IL or missing references)
			Action<BullseyeSearch> action = delegate(BullseyeSearch bullseyeSearch)
			{
				bullseyeSearch.RefreshCandidatesSmart();
			};
			ILCursor val = new ILCursor(il);
			if (val.TryGotoNext((MoveType)0, new Func<Instruction, bool>[1]
			{
				(Instruction x) => ILPatternMatchingExt.MatchCallOrCallvirt<BullseyeSearch>(x, "RefreshCandidates")
			}))
			{
				ILLabel val2 = val.DefineLabel();
				val.EmitDelegate<Action<BullseyeSearch>>(action);
				val.Emit(OpCodes.Br, (object)val2);
				val.Emit(OpCodes.Ldnull);
				val.Index += 1;
				val.MarkLabel(val2);
			}
			else
			{
				Log.Error("ReplaceMissileTargetRefresh ILHook failed. Missiles remain dumb...");
			}
		}
	}
}