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

namespace ClusterLOD
{
	// Token: 0x02000C98 RID: 3224
	[Token(Token = "0x2000C98")]
	[StructLayout(3)]
	public class ClusterTreeGenerator
	{
		// Token: 0x06004D92 RID: 19858 RVA: 0x00120F6C File Offset: 0x0011F16C
		[Token(Token = "0x6004D92")]
		[Address(RVA = "0x1B37180", Offset = "0x1B35B80", VA = "0x181B37180")]
		public ClusterTreeGenerator(int minNumVerts, int maxNumVerts, float maxRadius, int minNumObjectPerCluster, float distributeVSminimize = 0.5f)
		{
			this.maxRadius = maxRadius;
			this.minNumVerts = minNumVerts;
			this.distributeVSminimize = (float)0;
			this.maxNumVerts = maxNumVerts;
			this.minNumObjectPerCluster = 0;
		}

		// Token: 0x17000D75 RID: 3445
		// (get) Token: 0x06004D93 RID: 19859 RVA: 0x00120FA4 File Offset: 0x0011F1A4
		// (set) Token: 0x06004D94 RID: 19860 RVA: 0x00120FB8 File Offset: 0x0011F1B8
		[Token(Token = "0x17000D75")]
		public ClusterTree Tree
		{
			[Token(Token = "0x6004D93")]
			[Address(RVA = "0x3C1220", Offset = "0x3BFC20", VA = "0x1803C1220")]
			get;
			[Token(Token = "0x6004D94")]
			[Address(RVA = "0x3C1260", Offset = "0x3BFC60", VA = "0x1803C1260")]
			private set;
		}

		// Token: 0x06004D95 RID: 19861 RVA: 0x00120FCC File Offset: 0x0011F1CC
		[Token(Token = "0x6004D95")]
		[Address(RVA = "0x1B362B0", Offset = "0x1B34CB0", VA = "0x181B362B0")]
		public void InitTree(List<IClusterLODComponent> components)
		{
			int num = 0;
			ClusterNode clusterNode;
			clusterNode.components = components;
			int vertexCount = ClusterUtil.GetVertexCount(components, num);
			clusterNode.vertexCount = vertexCount;
			List<ClusterNode> list = new List();
			ClusterTree clusterTree;
			clusterTree.Nodes = list;
			List<ClusterNode> nodes = clusterTree.Nodes;
			clusterTree.<Root>k__BackingField = clusterNode;
			nodes.Add(clusterNode);
			this.<Tree>k__BackingField = clusterTree;
			Stack<ClusterNode> stack = new Stack();
			ClusterTree clusterTree2 = this.<Tree>k__BackingField;
			this.unProcessedClusters = stack;
			ClusterNode <Root>k__BackingField = clusterTree2.<Root>k__BackingField;
			stack.Push(<Root>k__BackingField);
		}

		// Token: 0x06004D96 RID: 19862 RVA: 0x00121054 File Offset: 0x0011F254
		[Token(Token = "0x6004D96")]
		[Address(RVA = "0x1B35560", Offset = "0x1B33F60", VA = "0x181B35560")]
		public bool GenerateTreeCluster()
		{
			ClusterNode clusterNode = this.unProcessedClusters.Pop();
			bool flag = this.SplitCluster(clusterNode);
			Stack<ClusterNode> stack = this.unProcessedClusters;
			bool flag2;
			return flag2;
		}

		// Token: 0x06004D97 RID: 19863 RVA: 0x00121084 File Offset: 0x0011F284
		[Token(Token = "0x6004D97")]
		[Address(RVA = "0x1B361A0", Offset = "0x1B34BA0", VA = "0x181B361A0")]
		private float GetVolume(Vector3 min, Vector3 max)
		{
			float z = min.z;
			float z2 = max.z;
			Vector3 vector;
			float num = vector.z;
			float num2;
			num = num2;
			num2 = num;
			return num2;
		}

		// Token: 0x06004D98 RID: 19864 RVA: 0x001210B4 File Offset: 0x0011F2B4
		[Token(Token = "0x6004D98")]
		[Address(RVA = "0x1B36100", Offset = "0x1B34B00", VA = "0x181B36100")]
		private float GetVolume(Vector3 size)
		{
			float num = size.z;
			float num2;
			num = num2;
			num2 = num;
			return num2;
		}

		// Token: 0x06004D99 RID: 19865 RVA: 0x001210D0 File Offset: 0x0011F2D0
		[Token(Token = "0x6004D99")]
		[Address(RVA = "0x1B367A0", Offset = "0x1B351A0", VA = "0x181B367A0")]
		private bool SplitCluster(ClusterNode cluster)
		{
			int num = 0;
			List<IClusterLODComponent> components = cluster.components;
			int num2 = this.minNumObjectPerCluster;
			num2 += num2;
			if (cluster.vertexCount < this.maxNumVerts)
			{
				float num3 = this.maxRadius;
			}
			List<IClusterLODComponent> list = new List();
			float num5;
			float num4 = Mathf.Max(num5, num5) * 0.3f;
			List<IClusterLODComponent> components2 = cluster.components;
			List.Enumerator enumerator;
			if (enumerator != 0)
			{
				num += num;
				num++;
				float num6;
				num5 = num6;
				num5 = Mathf.Max(num6, num5);
				while (num5 <= num4)
				{
				}
				num += 19;
			}
			if (num != -1)
			{
				if (list._size <= 0)
				{
					goto IL_10F;
				}
				List.Enumerator enumerator2;
				if (enumerator2 != 0)
				{
				}
			}
			num++;
			int num7 = 0;
			if (num != -1)
			{
			}
			ClusterNode clusterNode;
			clusterNode.parent = cluster;
			clusterNode.components = num;
			int num8 = 0;
			int vertexCount = ClusterUtil.GetVertexCount(num, num8);
			clusterNode.vertexCount = vertexCount;
			cluster.child1 = clusterNode;
			this.<Tree>k__BackingField.Nodes.Add(clusterNode);
			ClusterNode clusterNode2;
			clusterNode2.parent = cluster;
			clusterNode2.components = list;
			int num9 = 0;
			int vertexCount2 = ClusterUtil.GetVertexCount(list, num9);
			clusterNode2.vertexCount = vertexCount2;
			cluster.child2 = clusterNode2;
			List<ClusterNode> nodes = this.<Tree>k__BackingField.Nodes;
			IL_10F:
			ClusterTreeGenerator.SplitResult splitResult;
			int bestIndex = splitResult.bestIndex;
			int num10 = 0;
			List<IClusterLODComponent> range = list.GetRange(num10, bestIndex);
			ClusterNode clusterNode3;
			clusterNode3.parent = cluster;
			clusterNode3.components = range;
			int num11 = 0;
			int vertexCount3 = ClusterUtil.GetVertexCount(range, num11);
			clusterNode3.vertexCount = vertexCount3;
			cluster.child1 = clusterNode3;
			this.<Tree>k__BackingField.Nodes.Add(clusterNode3);
			int num12 = list._size;
			num12 -= clusterNode3;
			ClusterNode clusterNode4;
			clusterNode4.parent = cluster;
			List<IClusterLODComponent> list2;
			clusterNode4.components = list2;
			int num13 = 0;
			int vertexCount4 = ClusterUtil.GetVertexCount(list2, num13);
			clusterNode4.vertexCount = vertexCount4;
			cluster.child2 = clusterNode4;
			this.<Tree>k__BackingField.Nodes.Add(clusterNode4);
			Stack<ClusterNode> stack = this.unProcessedClusters;
			ClusterNode child = cluster.child1;
			stack.Push(child);
			Stack<ClusterNode> stack2 = this.unProcessedClusters;
			ClusterNode child2 = cluster.child2;
			stack2.Push(child2);
			List<ClusterNode> nodes2 = this.<Tree>k__BackingField.Nodes;
			ClusterNode child3 = cluster.child1;
			nodes2.Add(child3);
			List<ClusterNode> nodes3 = this.<Tree>k__BackingField.Nodes;
			ClusterNode child4 = cluster.child2;
			nodes3.Add(child4);
			cluster.components = num7;
			throw new NullReferenceException();
		}

		// Token: 0x06004D9A RID: 19866 RVA: 0x0000220F File Offset: 0x0000040F
		[Token(Token = "0x6004D9A")]
		[Address(RVA = "0x1B355D0", Offset = "0x1B33FD0", VA = "0x181B355D0")]
		private ClusterTreeGenerator.SplitResult GetSplitResult(List<IClusterLODComponent> rawComponents, ClusterTreeGenerator.Axis axis)
		{
			throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
		}

		// Token: 0x06004D9B RID: 19867 RVA: 0x0000220F File Offset: 0x0000040F
		[Token(Token = "0x6004D9B")]
		[Address(RVA = "0x1B36410", Offset = "0x1B34E10", VA = "0x181B36410")]
		private void SetupMinMaxBuffers(List<IClusterLODComponent> components, Vector3[] minValues, Vector3[] maxValues)
		{
			throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
		}

		// Token: 0x040039A5 RID: 14757
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x40039A5")]
		private ClusterTreeGenerator.Stats stats;

		// Token: 0x040039A7 RID: 14759
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x40039A7")]
		private int minNumObjectPerCluster;

		// Token: 0x040039A8 RID: 14760
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x2C")]
		[Token(Token = "0x40039A8")]
		private int minNumVerts;

		// Token: 0x040039A9 RID: 14761
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
		[Token(Token = "0x40039A9")]
		private int maxNumVerts;

		// Token: 0x040039AA RID: 14762
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x34")]
		[Token(Token = "0x40039AA")]
		private float maxRadius;

		// Token: 0x040039AB RID: 14763
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
		[Token(Token = "0x40039AB")]
		private float distributeVSminimize;

		// Token: 0x040039AC RID: 14764
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x40")]
		[Token(Token = "0x40039AC")]
		private Stack<ClusterNode> unProcessedClusters;

		// Token: 0x02000C99 RID: 3225
		[Token(Token = "0x2000C99")]
		private struct Stats
		{
			// Token: 0x040039AD RID: 14765
			[global::Cpp2IlInjected.FieldOffset(Offset = "0x0")]
			[Token(Token = "0x40039AD")]
			public int numOverSized;

			// Token: 0x040039AE RID: 14766
			[global::Cpp2IlInjected.FieldOffset(Offset = "0x4")]
			[Token(Token = "0x40039AE")]
			public int xSplits;

			// Token: 0x040039AF RID: 14767
			[global::Cpp2IlInjected.FieldOffset(Offset = "0x8")]
			[Token(Token = "0x40039AF")]
			public int ySplits;

			// Token: 0x040039B0 RID: 14768
			[global::Cpp2IlInjected.FieldOffset(Offset = "0xC")]
			[Token(Token = "0x40039B0")]
			public int zSplits;
		}

		// Token: 0x02000C9A RID: 3226
		[Token(Token = "0x2000C9A")]
		private struct SplitResult
		{
			// Token: 0x040039B1 RID: 14769
			[global::Cpp2IlInjected.FieldOffset(Offset = "0x0")]
			[Token(Token = "0x40039B1")]
			public int bestIndex;

			// Token: 0x040039B2 RID: 14770
			[global::Cpp2IlInjected.FieldOffset(Offset = "0x4")]
			[Token(Token = "0x40039B2")]
			public float bestVolume;

			// Token: 0x040039B3 RID: 14771
			[global::Cpp2IlInjected.FieldOffset(Offset = "0x8")]
			[Token(Token = "0x40039B3")]
			public List<IClusterLODComponent> components;
		}

		// Token: 0x02000C9B RID: 3227
		[Token(Token = "0x2000C9B")]
		private enum Axis
		{
			// Token: 0x040039B5 RID: 14773
			[Token(Token = "0x40039B5")]
			X_AXIS,
			// Token: 0x040039B6 RID: 14774
			[Token(Token = "0x40039B6")]
			Y_AXIS,
			// Token: 0x040039B7 RID: 14775
			[Token(Token = "0x40039B7")]
			Z_AXIS
		}
	}
}