using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using Cpp2IlInjected;
using Unity.Jobs;
using UnityEngine;

namespace ClusterLOD
{
	// Token: 0x02000C87 RID: 3207
	[Token(Token = "0x2000C87")]
	[StructLayout(3)]
	public class ClusterMeshAssetCache : IDisposable
	{
		// Token: 0x17000D68 RID: 3432
		// (get) Token: 0x06004D3B RID: 19771 RVA: 0x0011F3F4 File Offset: 0x0011D5F4
		[Token(Token = "0x17000D68")]
		public NativeClusterMesh PrimitiveSrcMesh
		{
			[Token(Token = "0x6004D3B")]
			[Address(RVA = "0x1B313D0", Offset = "0x1B2FDD0", VA = "0x181B313D0")]
			get
			{
				NativeClusterMesh primitiveSrcMesh = this._primitiveSrcMesh;
				if (primitiveSrcMesh == 0)
				{
					NativeClusterMesh nativeClusterMesh = new NativeClusterMesh();
					this._primitiveSrcMesh = nativeClusterMesh;
					int num = 0;
					OAHBIDJKENF oahbidjkenf = EOKPFJPCGMK.MBFEPPCGJCB(num);
					int vertexCount = oahbidjkenf.<DJIGBAMBFKC>k__BackingField.vertexCount;
					Mesh <DJIGBAMBFKC>k__BackingField = oahbidjkenf.<DJIGBAMBFKC>k__BackingField;
					num += vertexCount;
					int num2 = 0;
					uint indexCount = <DJIGBAMBFKC>k__BackingField.GetIndexCount(num2);
					num += (int)indexCount;
					num++;
					NativeClusterMesh primitiveSrcMesh2 = this._primitiveSrcMesh;
					OAHBIDJKENF oahbidjkenf2 = EOKPFJPCGMK.MBFEPPCGJCB(num);
					NativeClusterMesh primitiveSrcMesh3 = this._primitiveSrcMesh;
					Mesh <DJIGBAMBFKC>k__BackingField2 = oahbidjkenf2.<DJIGBAMBFKC>k__BackingField;
					int num3 = 0;
					primitiveSrcMesh3.AppendMesh(<DJIGBAMBFKC>k__BackingField2, num3 != 0);
					num++;
				}
				return primitiveSrcMesh;
			}
		}

		// Token: 0x06004D3C RID: 19772 RVA: 0x0011F490 File Offset: 0x0011D690
		[Token(Token = "0x6004D3C")]
		[Address(RVA = "0x1B30A60", Offset = "0x1B2F460", VA = "0x181B30A60", Slot = "4")]
		public void Dispose()
		{
			this.createMeshFromClusterJob.Dispose();
			NativeClusterMesh primitiveSrcMesh = this._primitiveSrcMesh;
			if (primitiveSrcMesh != 0)
			{
				primitiveSrcMesh.Dispose();
				this._primitiveSrcMesh = (ulong)0L;
			}
		}

		// Token: 0x06004D3D RID: 19773 RVA: 0x0011F4C8 File Offset: 0x0011D6C8
		[Token(Token = "0x6004D3D")]
		[Address(RVA = "0x1B309E0", Offset = "0x1B2F3E0", VA = "0x181B309E0")]
		public void Clear()
		{
			CreateMeshFromClusterJob createMeshFromClusterJob = this.createMeshFromClusterJob;
			JobHandle <jobHandle>k__BackingField = createMeshFromClusterJob.<jobHandle>k__BackingField;
			createMeshFromClusterJob.<cluster>k__BackingField = (ulong)0L;
			this.createQueue.Clear();
		}

		// Token: 0x06004D3E RID: 19774 RVA: 0x0011F500 File Offset: 0x0011D700
		[Token(Token = "0x6004D3E")]
		[Address(RVA = "0x1B30940", Offset = "0x1B2F340", VA = "0x181B30940")]
		public void Add(ClusterMesh.ClusterInfo cluster, Transform root)
		{
			List<IClusterLODComponent> components = cluster.components;
			cluster.root = root;
			if (!this.createQueue.Contains(cluster))
			{
				this.createQueue.Enqueue(cluster);
			}
		}

		// Token: 0x06004D3F RID: 19775 RVA: 0x0011F53C File Offset: 0x0011D73C
		[Token(Token = "0x6004D3F")]
		[Address(RVA = "0x1B30F00", Offset = "0x1B2F900", VA = "0x181B30F00")]
		public void Remove(ClusterMesh.ClusterInfo cluster)
		{
			if (this.createQueue.Contains(cluster))
			{
				Queue<ClusterMesh.ClusterInfo> queue = new Queue();
				ClusterMesh.ClusterInfo clusterInfo = this.createQueue.Dequeue();
				if (clusterInfo != cluster)
				{
					queue.Enqueue(clusterInfo);
				}
				Queue<ClusterMesh.ClusterInfo> queue2 = this.createQueue;
				this.createQueue = queue;
			}
			CreateMeshFromClusterJob createMeshFromClusterJob = this.createMeshFromClusterJob;
			ClusterMesh.ClusterInfo <cluster>k__BackingField = createMeshFromClusterJob.<cluster>k__BackingField;
			JobHandle <jobHandle>k__BackingField = createMeshFromClusterJob.<jobHandle>k__BackingField;
			createMeshFromClusterJob.<cluster>k__BackingField = (ulong)0L;
			if (this.activeClusters.Contains(cluster))
			{
				bool flag = this.activeClusters.Remove(cluster);
				int numLOD0Verts = cluster.numLOD0Verts;
			}
		}

		// Token: 0x06004D40 RID: 19776 RVA: 0x0011F5D0 File Offset: 0x0011D7D0
		[Token(Token = "0x6004D40")]
		[Address(RVA = "0x1B30B00", Offset = "0x1B2F500", VA = "0x181B30B00")]
		private ClusterMesh.ClusterInfo GetWorstActiveCluster()
		{
			int num;
			do
			{
				num = 0;
				List<ClusterMesh.ClusterInfo> list = this.activeClusters;
				List.Enumerator enumerator;
				if (enumerator != 0)
				{
				}
				if (num != -1)
				{
				}
			}
			while (num != 0);
			throw new NullReferenceException();
		}

		// Token: 0x06004D41 RID: 19777 RVA: 0x0011F600 File Offset: 0x0011D800
		[Token(Token = "0x6004D41")]
		[Address(RVA = "0x1B30DD0", Offset = "0x1B2F7D0", VA = "0x181B30DD0")]
		private bool IsClusterActive(ClusterMesh.ClusterInfo cluster)
		{
			return this.activeClusters.Contains(cluster);
		}

		// Token: 0x06004D42 RID: 19778 RVA: 0x0011F620 File Offset: 0x0011D820
		[Token(Token = "0x6004D42")]
		[Address(RVA = "0x1B30E70", Offset = "0x1B2F870", VA = "0x181B30E70")]
		private bool RemoveActiveCluster(ClusterMesh.ClusterInfo cluster)
		{
			bool flag = this.activeClusters.Contains(cluster);
			if (!flag)
			{
				return flag;
			}
			bool flag2 = this.activeClusters.Remove(cluster);
			throw new NullReferenceException();
		}

		// Token: 0x06004D43 RID: 19779 RVA: 0x0011F654 File Offset: 0x0011D854
		[Token(Token = "0x6004D43")]
		[Address(RVA = "0x1B308E0", Offset = "0x1B2F2E0", VA = "0x181B308E0")]
		private void AddActiveCluster(ClusterMesh.ClusterInfo cluster)
		{
			this.activeClusters.Add(cluster);
			int numLOD0Verts = cluster.numLOD0Verts;
		}

		// Token: 0x06004D44 RID: 19780 RVA: 0x0011F67C File Offset: 0x0011D87C
		[Token(Token = "0x6004D44")]
		[Address(RVA = "0x1B30C60", Offset = "0x1B2F660", VA = "0x181B30C60")]
		private void InitPrimitiveSrcMesh()
		{
			NativeClusterMesh nativeClusterMesh = new NativeClusterMesh();
			this._primitiveSrcMesh = nativeClusterMesh;
			int num = 0;
			OAHBIDJKENF oahbidjkenf = EOKPFJPCGMK.MBFEPPCGJCB(num);
			int vertexCount = oahbidjkenf.<DJIGBAMBFKC>k__BackingField.vertexCount;
			Mesh <DJIGBAMBFKC>k__BackingField = oahbidjkenf.<DJIGBAMBFKC>k__BackingField;
			num += vertexCount;
			int num2 = 0;
			uint indexCount = <DJIGBAMBFKC>k__BackingField.GetIndexCount(num2);
			num += (int)indexCount;
			num++;
			NativeClusterMesh primitiveSrcMesh = this._primitiveSrcMesh;
			OAHBIDJKENF oahbidjkenf2 = EOKPFJPCGMK.MBFEPPCGJCB(num);
			NativeClusterMesh primitiveSrcMesh2 = this._primitiveSrcMesh;
			Mesh <DJIGBAMBFKC>k__BackingField2 = oahbidjkenf2.<DJIGBAMBFKC>k__BackingField;
			int num3 = 0;
			primitiveSrcMesh2.AppendMesh(<DJIGBAMBFKC>k__BackingField2, num3 != 0);
			num++;
		}

		// Token: 0x06004D45 RID: 19781 RVA: 0x0011F708 File Offset: 0x0011D908
		[Token(Token = "0x6004D45")]
		[Address(RVA = "0x1B30E30", Offset = "0x1B2F830", VA = "0x181B30E30")]
		public bool IsProcessing(ClusterMesh.ClusterInfo cluster)
		{
			ClusterMesh.ClusterInfo <cluster>k__BackingField = this.createMeshFromClusterJob.<cluster>k__BackingField;
			bool flag;
			return flag;
		}

		// Token: 0x06004D46 RID: 19782 RVA: 0x0011F72C File Offset: 0x0011D92C
		[Token(Token = "0x6004D46")]
		[Address(RVA = "0x1B31090", Offset = "0x1B2FA90", VA = "0x181B31090")]
		public bool Update()
		{
			ClusterMesh.ClusterInfo clusterInfo;
			ClusterMesh.ClusterInfo worstActiveCluster;
			do
			{
				CreateMeshFromClusterJob createMeshFromClusterJob = this.createMeshFromClusterJob;
				if (createMeshFromClusterJob.<cluster>k__BackingField > (ulong)0L)
				{
					if (!JobHandle.ScheduleBatchedJobsAndIsCompleted(createMeshFromClusterJob.<jobHandle>k__BackingField))
					{
					}
					ClusterMesh.ClusterInfo <cluster>k__BackingField = this.createMeshFromClusterJob.<cluster>k__BackingField;
					bool flag = this.RemoveActiveCluster(<cluster>k__BackingField);
					this.createMeshFromClusterJob.CreateMesh();
					this.activeClusters.Add(<cluster>k__BackingField);
				}
				clusterInfo = this.createQueue.Dequeue();
				while (clusterInfo == 0)
				{
				}
				int num = this.numActiveVerts;
				int maxDynamicNearVerts = ClusterLODManager._instance.<Config>k__BackingField.maxDynamicNearVerts;
				if (num <= maxDynamicNearVerts)
				{
					goto IL_B2;
				}
				worstActiveCluster = this.GetWorstActiveCluster();
				if (worstActiveCluster == 0)
				{
					goto IL_B2;
				}
			}
			while (clusterInfo.closestDist > worstActiveCluster.closestDist);
			bool flag2 = this.RemoveActiveCluster(worstActiveCluster);
			worstActiveCluster.RequestRemoveMesh();
			IL_B2:
			CreateMeshFromClusterJob createMeshFromClusterJob2 = this.createMeshFromClusterJob;
			if (createMeshFromClusterJob2.<cluster>k__BackingField <= (ulong)0L)
			{
				List<IClusterLODComponent> components = clusterInfo.components;
				Transform root = clusterInfo.root;
				int num2 = 0;
				createMeshFromClusterJob2.Init(clusterInfo, root, num2);
				JobHandle.ScheduleBatchedJobs();
			}
			throw new NullReferenceException();
		}

		// Token: 0x06004D47 RID: 19783 RVA: 0x0011F830 File Offset: 0x0011DA30
		[Token(Token = "0x6004D47")]
		[Address(RVA = "0x1B30AA0", Offset = "0x1B2F4A0", VA = "0x181B30AA0")]
		private ClusterMesh.ClusterInfo GetClusterToCreate()
		{
			return this.createQueue.Dequeue();
		}

		// Token: 0x06004D48 RID: 19784 RVA: 0x0011F850 File Offset: 0x0011DA50
		[Token(Token = "0x6004D48")]
		[Address(RVA = "0x1B31330", Offset = "0x1B2FD30", VA = "0x181B31330")]
		public ClusterMeshAssetCache()
		{
			Queue<ClusterMesh.ClusterInfo> queue = new Queue();
			this.createQueue = queue;
			CreateMeshFromClusterJob createMeshFromClusterJob = new CreateMeshFromClusterJob();
			this.createMeshFromClusterJob = createMeshFromClusterJob;
			List<ClusterMesh.ClusterInfo> list = new List();
			this.activeClusters = list;
			base..ctor();
		}

		// Token: 0x0400393D RID: 14653
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x400393D")]
		private Queue<ClusterMesh.ClusterInfo> createQueue;

		// Token: 0x0400393E RID: 14654
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x400393E")]
		private CreateMeshFromClusterJob createMeshFromClusterJob;

		// Token: 0x0400393F RID: 14655
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x400393F")]
		private readonly List<ClusterMesh.ClusterInfo> activeClusters;

		// Token: 0x04003940 RID: 14656
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4003940")]
		private int numActiveVerts;

		// Token: 0x04003941 RID: 14657
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4003941")]
		private NativeClusterMesh _primitiveSrcMesh;
	}
}