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

namespace ClusterLOD
{
	// Token: 0x0200134F RID: 4943
	[Token(Token = "0x200134F")]
	public class ClusterMeshAssetCache : IDisposable
	{
		// Token: 0x06006EF8 RID: 28408 RVA: 0x00185EC0 File Offset: 0x001840C0
		[Token(Token = "0x6006EF8")]
		[Address(RVA = "0x1F401C0", Offset = "0x1F3F1C0", VA = "0x181F401C0", Slot = "4")]
		public void Dispose()
		{
			CreateMeshFromClusterJob createMeshFromClusterJob = this.createMeshFromClusterJob;
			JobHandle <jobHandle>k__BackingField = createMeshFromClusterJob.<jobHandle>k__BackingField;
			createMeshFromClusterJob.sharedResultMesh.Dispose();
			createMeshFromClusterJob.optimizationData.Dispose();
			bool flag;
			if (flag)
			{
			}
		}

		// Token: 0x06006EF9 RID: 28409 RVA: 0x00185EFC File Offset: 0x001840FC
		[Token(Token = "0x6006EF9")]
		[Address(RVA = "0x1F40140", Offset = "0x1F3F140", VA = "0x181F40140")]
		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: 0x06006EFA RID: 28410 RVA: 0x00185F34 File Offset: 0x00184134
		[Token(Token = "0x6006EFA")]
		[Address(RVA = "0x1F400A0", Offset = "0x1F3F0A0", VA = "0x181F400A0")]
		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: 0x06006EFB RID: 28411 RVA: 0x00185F70 File Offset: 0x00184170
		[Token(Token = "0x6006EFB")]
		[Address(RVA = "0x1F40530", Offset = "0x1F3F530", VA = "0x181F40530")]
		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: 0x06006EFC RID: 28412 RVA: 0x00186004 File Offset: 0x00184204
		[Token(Token = "0x6006EFC")]
		[Address(RVA = "0x1F402D0", Offset = "0x1F3F2D0", VA = "0x181F402D0")]
		private ClusterMesh.ClusterInfo GetWorstActiveCluster()
		{
			int num;
			do
			{
				num = 0;
				List<ClusterMesh.ClusterInfo> list = this.activeClusters;
				bool flag;
				if (flag)
				{
				}
			}
			while (num != 0);
			throw new NullReferenceException();
		}

		// Token: 0x06006EFD RID: 28413 RVA: 0x00186030 File Offset: 0x00184230
		[Token(Token = "0x6006EFD")]
		[Address(RVA = "0x1F40400", Offset = "0x1F3F400", VA = "0x181F40400")]
		private bool IsClusterActive(ClusterMesh.ClusterInfo cluster)
		{
			return this.activeClusters.Contains(cluster);
		}

		// Token: 0x06006EFE RID: 28414 RVA: 0x00186050 File Offset: 0x00184250
		[Token(Token = "0x6006EFE")]
		[Address(RVA = "0x1F404A0", Offset = "0x1F3F4A0", VA = "0x181F404A0")]
		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: 0x06006EFF RID: 28415 RVA: 0x00186084 File Offset: 0x00184284
		[Token(Token = "0x6006EFF")]
		[Address(RVA = "0x1F40040", Offset = "0x1F3F040", VA = "0x181F40040")]
		private void AddActiveCluster(ClusterMesh.ClusterInfo cluster)
		{
			this.activeClusters.Add(cluster);
			int numLOD0Verts = cluster.numLOD0Verts;
		}

		// Token: 0x06006F00 RID: 28416 RVA: 0x001860AC File Offset: 0x001842AC
		[Token(Token = "0x6006F00")]
		[Address(RVA = "0x1F40460", Offset = "0x1F3F460", VA = "0x181F40460")]
		public bool IsProcessing(ClusterMesh.ClusterInfo cluster)
		{
			ClusterMesh.ClusterInfo <cluster>k__BackingField = this.createMeshFromClusterJob.<cluster>k__BackingField;
			bool flag;
			return flag;
		}

		// Token: 0x06006F01 RID: 28417 RVA: 0x001860D0 File Offset: 0x001842D0
		[Token(Token = "0x6006F01")]
		[Address(RVA = "0x1F406C0", Offset = "0x1F3F6C0", VA = "0x181F406C0")]
		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;
				createMeshFromClusterJob2.Init(clusterInfo, root);
				JobHandle.ScheduleBatchedJobs();
			}
			throw new NullReferenceException();
		}

		// Token: 0x06006F02 RID: 28418 RVA: 0x001861D0 File Offset: 0x001843D0
		[Token(Token = "0x6006F02")]
		[Address(RVA = "0x1F40270", Offset = "0x1F3F270", VA = "0x181F40270")]
		private ClusterMesh.ClusterInfo GetClusterToCreate()
		{
			return this.createQueue.Dequeue();
		}

		// Token: 0x06006F03 RID: 28419 RVA: 0x001861F0 File Offset: 0x001843F0
		[Token(Token = "0x6006F03")]
		[Address(RVA = "0x1F40950", Offset = "0x1F3F950", VA = "0x181F40950")]
		public ClusterMeshAssetCache()
		{
			Queue<ClusterMesh.ClusterInfo> queue = new Queue();
			this.createQueue = queue;
			CreateMeshFromClusterJob createMeshFromClusterJob = new CreateMeshFromClusterJob();
			PCIKHFEIHGO pcikhfeihgo = new PCIKHFEIHGO();
			createMeshFromClusterJob.sharedResultMesh = pcikhfeihgo;
			OCCMLFOBCEM occmlfobcem = new OCCMLFOBCEM();
			createMeshFromClusterJob.optimizationData = occmlfobcem;
			this.createMeshFromClusterJob = createMeshFromClusterJob;
			List<ClusterMesh.ClusterInfo> list = new List();
			this.activeClusters = list;
			base..ctor();
		}

		// Token: 0x04004971 RID: 18801
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4004971")]
		private Queue<ClusterMesh.ClusterInfo> createQueue;

		// Token: 0x04004972 RID: 18802
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4004972")]
		private CreateMeshFromClusterJob createMeshFromClusterJob;

		// Token: 0x04004973 RID: 18803
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4004973")]
		private readonly List<ClusterMesh.ClusterInfo> activeClusters;

		// Token: 0x04004974 RID: 18804
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4004974")]
		private int numActiveVerts;
	}
}