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

namespace ClusterLOD
{
	// Token: 0x0200127F RID: 4735
	[Token(Token = "0x200127F")]
	public class ClusterMeshAssetCache : IDisposable
	{
		// Token: 0x06006B85 RID: 27525 RVA: 0x0017D920 File Offset: 0x0017BB20
		[Token(Token = "0x6006B85")]
		[Address(RVA = "0x1464D90", Offset = "0x1463B90", VA = "0x181464D90", 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: 0x06006B86 RID: 27526 RVA: 0x0017D95C File Offset: 0x0017BB5C
		[Token(Token = "0x6006B86")]
		[Address(RVA = "0x1464D10", Offset = "0x1463B10", VA = "0x181464D10")]
		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: 0x06006B87 RID: 27527 RVA: 0x0017D994 File Offset: 0x0017BB94
		[Token(Token = "0x6006B87")]
		[Address(RVA = "0x1464C70", Offset = "0x1463A70", VA = "0x181464C70")]
		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: 0x06006B88 RID: 27528 RVA: 0x0017D9D0 File Offset: 0x0017BBD0
		[Token(Token = "0x6006B88")]
		[Address(RVA = "0x1465100", Offset = "0x1463F00", VA = "0x181465100")]
		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: 0x06006B89 RID: 27529 RVA: 0x0017DA64 File Offset: 0x0017BC64
		[Token(Token = "0x6006B89")]
		[Address(RVA = "0x1464EA0", Offset = "0x1463CA0", VA = "0x181464EA0")]
		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: 0x06006B8A RID: 27530 RVA: 0x0017DA90 File Offset: 0x0017BC90
		[Token(Token = "0x6006B8A")]
		[Address(RVA = "0x1464FD0", Offset = "0x1463DD0", VA = "0x181464FD0")]
		private bool IsClusterActive(ClusterMesh.ClusterInfo cluster)
		{
			return this.activeClusters.Contains(cluster);
		}

		// Token: 0x06006B8B RID: 27531 RVA: 0x0017DAB0 File Offset: 0x0017BCB0
		[Token(Token = "0x6006B8B")]
		[Address(RVA = "0x1465070", Offset = "0x1463E70", VA = "0x181465070")]
		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: 0x06006B8C RID: 27532 RVA: 0x0017DAE4 File Offset: 0x0017BCE4
		[Token(Token = "0x6006B8C")]
		[Address(RVA = "0x1464C10", Offset = "0x1463A10", VA = "0x181464C10")]
		private void AddActiveCluster(ClusterMesh.ClusterInfo cluster)
		{
			this.activeClusters.Add(cluster);
			int numLOD0Verts = cluster.numLOD0Verts;
		}

		// Token: 0x06006B8D RID: 27533 RVA: 0x0017DB0C File Offset: 0x0017BD0C
		[Token(Token = "0x6006B8D")]
		[Address(RVA = "0x1465030", Offset = "0x1463E30", VA = "0x181465030")]
		public bool IsProcessing(ClusterMesh.ClusterInfo cluster)
		{
			ClusterMesh.ClusterInfo <cluster>k__BackingField = this.createMeshFromClusterJob.<cluster>k__BackingField;
			bool flag;
			return flag;
		}

		// Token: 0x06006B8E RID: 27534 RVA: 0x0017DB30 File Offset: 0x0017BD30
		[Token(Token = "0x6006B8E")]
		[Address(RVA = "0x1465290", Offset = "0x1464090", VA = "0x181465290")]
		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: 0x06006B8F RID: 27535 RVA: 0x0017DC30 File Offset: 0x0017BE30
		[Token(Token = "0x6006B8F")]
		[Address(RVA = "0x1464E40", Offset = "0x1463C40", VA = "0x181464E40")]
		private ClusterMesh.ClusterInfo GetClusterToCreate()
		{
			return this.createQueue.Dequeue();
		}

		// Token: 0x06006B90 RID: 27536 RVA: 0x0017DC50 File Offset: 0x0017BE50
		[Token(Token = "0x6006B90")]
		[Address(RVA = "0x1465520", Offset = "0x1464320", VA = "0x181465520")]
		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: 0x040047EF RID: 18415
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x40047EF")]
		private Queue<ClusterMesh.ClusterInfo> createQueue;

		// Token: 0x040047F0 RID: 18416
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x40047F0")]
		private CreateMeshFromClusterJob createMeshFromClusterJob;

		// Token: 0x040047F1 RID: 18417
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x40047F1")]
		private readonly List<ClusterMesh.ClusterInfo> activeClusters;

		// Token: 0x040047F2 RID: 18418
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x40047F2")]
		private int numActiveVerts;
	}
}