using System;
using System.Collections;
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 Microsoft.CodeAnalysis;
using Mono.Cecil;
using UnityEngine;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: TargetFramework(".NETStandard,Version=v2.1", FrameworkDisplayName = ".NET Standard 2.1")]
[assembly: AssemblyCompany("AddDropSourcePatcher")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0")]
[assembly: AssemblyProduct("AddDropSourcePatcher")]
[assembly: AssemblyTitle("AddDropSourcePatcher")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("1.0.0.0")]
[module: UnverifiableCode]
[module: RefSafetyRules(11)]
[CompilerGenerated]
internal sealed class <>z__ReadOnlySingleElementList<T> : IEnumerable, ICollection, IList, IEnumerable<T>, IReadOnlyCollection<T>, IReadOnlyList<T>, ICollection<T>, IList<T>
{
	private sealed class Enumerator : IDisposable, IEnumerator, IEnumerator<T>
	{
		object IEnumerator.Current => _item;

		T IEnumerator<T>.Current => _item;

		public Enumerator(T item)
		{
			_item = item;
		}

		bool IEnumerator.MoveNext()
		{
			if (!_moveNextCalled)
			{
				return _moveNextCalled = true;
			}
			return false;
		}

		void IEnumerator.Reset()
		{
			_moveNextCalled = false;
		}

		void IDisposable.Dispose()
		{
		}
	}

	int ICollection.Count => 1;

	bool ICollection.IsSynchronized => false;

	object ICollection.SyncRoot => this;

	object IList.this[int index]
	{
		get
		{
			if (index != 0)
			{
				throw new IndexOutOfRangeException();
			}
			return _item;
		}
		set
		{
			throw new NotSupportedException();
		}
	}

	bool IList.IsFixedSize => true;

	bool IList.IsReadOnly => true;

	int IReadOnlyCollection<T>.Count => 1;

	T IReadOnlyList<T>.this[int index]
	{
		get
		{
			if (index != 0)
			{
				throw new IndexOutOfRangeException();
			}
			return _item;
		}
	}

	int ICollection<T>.Count => 1;

	bool ICollection<T>.IsReadOnly => true;

	T IList<T>.this[int index]
	{
		get
		{
			if (index != 0)
			{
				throw new IndexOutOfRangeException();
			}
			return _item;
		}
		set
		{
			throw new NotSupportedException();
		}
	}

	public <>z__ReadOnlySingleElementList(T item)
	{
		_item = item;
	}

	IEnumerator IEnumerable.GetEnumerator()
	{
		return new Enumerator(_item);
	}

	void ICollection.CopyTo(Array array, int index)
	{
		array.SetValue(_item, index);
	}

	int IList.Add(object value)
	{
		throw new NotSupportedException();
	}

	void IList.Clear()
	{
		throw new NotSupportedException();
	}

	bool IList.Contains(object value)
	{
		return EqualityComparer<T>.Default.Equals(_item, (T)value);
	}

	int IList.IndexOf(object value)
	{
		if (!EqualityComparer<T>.Default.Equals(_item, (T)value))
		{
			return -1;
		}
		return 0;
	}

	void IList.Insert(int index, object value)
	{
		throw new NotSupportedException();
	}

	void IList.Remove(object value)
	{
		throw new NotSupportedException();
	}

	void IList.RemoveAt(int index)
	{
		throw new NotSupportedException();
	}

	IEnumerator<T> IEnumerable<T>.GetEnumerator()
	{
		return new Enumerator(_item);
	}

	void ICollection<T>.Add(T item)
	{
		throw new NotSupportedException();
	}

	void ICollection<T>.Clear()
	{
		throw new NotSupportedException();
	}

	bool ICollection<T>.Contains(T item)
	{
		return EqualityComparer<T>.Default.Equals(_item, item);
	}

	void ICollection<T>.CopyTo(T[] array, int arrayIndex)
	{
		array[arrayIndex] = _item;
	}

	bool ICollection<T>.Remove(T item)
	{
		throw new NotSupportedException();
	}

	int IList<T>.IndexOf(T item)
	{
		if (!EqualityComparer<T>.Default.Equals(_item, item))
		{
			return -1;
		}
		return 0;
	}

	void IList<T>.Insert(int index, T item)
	{
		throw new NotSupportedException();
	}

	void IList<T>.RemoveAt(int index)
	{
		throw new NotSupportedException();
	}
}
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 DropSourceForItems
{
	internal static class AddDropSourcePatcher
	{
		public static IEnumerable<string> TargetDLLs { get; } = new <>z__ReadOnlySingleElementList<string>("RoR2.dll");

		public static void Patch(AssemblyDefinition assembly)
		{
			//IL_002c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0032: Expected O, but got Unknown
			//IL_005c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0062: Expected O, but got Unknown
			//IL_009d: Unknown result type (might be due to invalid IL or missing references)
			//IL_00a4: Expected O, but got Unknown
			//IL_00cf: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d6: Expected O, but got Unknown
			//IL_0113: Unknown result type (might be due to invalid IL or missing references)
			//IL_011a: Expected O, but got Unknown
			//IL_0147: Unknown result type (might be due to invalid IL or missing references)
			//IL_014e: Expected O, but got Unknown
			TypeDefinition type = assembly.MainModule.GetType("RoR2.GenericPickupController/CreatePickupInfo");
			FieldDefinition val = new FieldDefinition("dsfi_dropSource", (FieldAttributes)6, assembly.MainModule.ImportReference(typeof(GameObject)));
			if (type != null)
			{
				type.Fields.Add(val);
			}
			FieldDefinition val2 = new FieldDefinition("dsfi_cachedDropSourceName", (FieldAttributes)6, assembly.MainModule.ImportReference(typeof(string)));
			if (type != null)
			{
				type.Fields.Add(val2);
			}
			TypeDefinition type2 = assembly.MainModule.GetType("RoR2.GenericPickupController");
			FieldDefinition val3 = new FieldDefinition("dsfi_dropSource", (FieldAttributes)6, assembly.MainModule.ImportReference(typeof(GameObject)));
			if (type2 != null)
			{
				type2.Fields.Add(val3);
			}
			FieldDefinition val4 = new FieldDefinition("dsfi_cachedDropSourceName", (FieldAttributes)6, assembly.MainModule.ImportReference(typeof(string)));
			if (type2 != null)
			{
				type2.Fields.Add(val4);
			}
			TypeDefinition type3 = assembly.MainModule.GetType("RoR2.PickupPickerController");
			FieldDefinition val5 = new FieldDefinition("dsfi_dropSource", (FieldAttributes)6, assembly.MainModule.ImportReference(typeof(GameObject)));
			if (type3 != null)
			{
				type3.Fields.Add(val5);
			}
			FieldDefinition val6 = new FieldDefinition("dsfi_cachedDropSourceName", (FieldAttributes)6, assembly.MainModule.ImportReference(typeof(string)));
			if (type3 != null)
			{
				type3.Fields.Add(val6);
			}
		}
	}
}