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

namespace ClusterLOD
{
	// Token: 0x02001359 RID: 4953
	[Token(Token = "0x2001359")]
	public class ClusterTreeGenerator
	{
		// Token: 0x06006F2D RID: 28461 RVA: 0x00186AD8 File Offset: 0x00184CD8
		[Token(Token = "0x6006F2D")]
		[Address(RVA = "0x1F467E0", Offset = "0x1F457E0", VA = "0x181F467E0")]
		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: 0x170011E6 RID: 4582
		// (get) Token: 0x06006F2E RID: 28462 RVA: 0x00186B10 File Offset: 0x00184D10
		// (set) Token: 0x06006F2F RID: 28463 RVA: 0x00186B24 File Offset: 0x00184D24
		[Token(Token = "0x170011E6")]
		public ClusterTree Tree
		{
			[Token(Token = "0x6006F2E")]
			[Address(RVA = "0x4157C0", Offset = "0x4147C0", VA = "0x1804157C0")]
			get;
			[Token(Token = "0x6006F2F")]
			[Address(RVA = "0x415810", Offset = "0x414810", VA = "0x180415810")]
			private set;
		}

		// Token: 0x06006F30 RID: 28464 RVA: 0x00186B38 File Offset: 0x00184D38
		[Token(Token = "0x6006F30")]
		[Address(RVA = "0x1F459B0", Offset = "0x1F449B0", VA = "0x181F459B0")]
		public void InitTree(List<IClusterLODComponent> components)
		{
			int num = 0;
			ClusterNode clusterNode;
			clusterNode.components = components;
			int vertexCount = ClusterUtil.GetVertexCount(components, (NPBPPKDLKDN)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: 0x06006F31 RID: 28465 RVA: 0x00186BC0 File Offset: 0x00184DC0
		[Token(Token = "0x6006F31")]
		[Address(RVA = "0x1F44C60", Offset = "0x1F43C60", VA = "0x181F44C60")]
		public bool GenerateTreeCluster()
		{
			ClusterNode clusterNode = this.unProcessedClusters.Pop();
			bool flag = this.SplitCluster(clusterNode);
			Stack<ClusterNode> stack = this.unProcessedClusters;
			bool flag2;
			return flag2;
		}

		// Token: 0x06006F32 RID: 28466 RVA: 0x00186BF0 File Offset: 0x00184DF0
		[Token(Token = "0x6006F32")]
		[Address(RVA = "0x1F458A0", Offset = "0x1F448A0", VA = "0x181F458A0")]
		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: 0x06006F33 RID: 28467 RVA: 0x00186C20 File Offset: 0x00184E20
		[Token(Token = "0x6006F33")]
		[Address(RVA = "0x1F45800", Offset = "0x1F44800", VA = "0x181F45800")]
		private float GetVolume(Vector3 size)
		{
			float num = size.z;
			float num2;
			num = num2;
			num2 = num;
			return num2;
		}

		// Token: 0x06006F34 RID: 28468 RVA: 0x00186C3C File Offset: 0x00184E3C
		[Token(Token = "0x6006F34")]
		[Address(RVA = "0x1F45EA0", Offset = "0x1F44EA0", VA = "0x181F45EA0")]
		private bool SplitCluster(ClusterNode cluster)
		{
			int num;
			List<IClusterLODComponent> list;
			int num8;
			do
			{
				num = 0;
				List<IClusterLODComponent> components = cluster.components;
				int num2 = this.minNumObjectPerCluster;
				num2 += num2;
				float num3;
				if (cluster.vertexCount < this.maxNumVerts && this.maxRadius > num3)
				{
					goto IL_20D;
				}
				list = new List();
				float num5;
				float num4 = Mathf.Max(num5, num5) * 0.3f;
				List<IClusterLODComponent> components2 = cluster.components;
				bool flag;
				if (flag)
				{
					num += num;
					num++;
					Vector3 vector;
					float num6 = vector.z;
					float num7;
					num5 = num7;
					num5 = Mathf.Max(num7, num5);
					while (num5 <= num4)
					{
					}
					num6 += 2.7E-44f;
				}
				if (num != 0)
				{
					goto IL_21F;
				}
				if (num != -1)
				{
				}
				if (list._size <= 0)
				{
					goto IL_EA;
				}
				bool flag2;
				if (flag2)
				{
				}
				num8 = 0;
			}
			while (num != 0);
			ClusterNode clusterNode = new ClusterNode(num, cluster);
			cluster.child1 = clusterNode;
			this.<Tree>k__BackingField.Nodes.Add(clusterNode);
			ClusterNode clusterNode2 = new ClusterNode(list, cluster);
			cluster.child2 = clusterNode2;
			List<ClusterNode> nodes = this.<Tree>k__BackingField.Nodes;
			IL_EA:
			ClusterTreeGenerator.SplitResult splitResult;
			int bestIndex = splitResult.bestIndex;
			int num9 = 0;
			List<IClusterLODComponent> range = list.GetRange(num9, bestIndex);
			ClusterNode clusterNode3;
			clusterNode3.parent = cluster;
			clusterNode3.components = range;
			int num10 = 0;
			int vertexCount = ClusterUtil.GetVertexCount(range, (NPBPPKDLKDN)num10);
			clusterNode3.vertexCount = vertexCount;
			cluster.child1 = clusterNode3;
			this.<Tree>k__BackingField.Nodes.Add(clusterNode3);
			int num11 = list._size;
			num11 -= clusterNode3;
			ClusterNode clusterNode4;
			clusterNode4.parent = cluster;
			List<IClusterLODComponent> list2;
			clusterNode4.components = list2;
			int num12 = 0;
			int vertexCount2 = ClusterUtil.GetVertexCount(list2, (NPBPPKDLKDN)num12);
			clusterNode4.vertexCount = vertexCount2;
			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 = num8;
			IL_20D:
			throw new NullReferenceException();
			IL_21F:
			throw new NullReferenceException();
		}

		// Token: 0x06006F35 RID: 28469 RVA: 0x0000220F File Offset: 0x0000040F
		[Token(Token = "0x6006F35")]
		[Address(RVA = "0x1F44CD0", Offset = "0x1F43CD0", VA = "0x181F44CD0")]
		private ClusterTreeGenerator.SplitResult GetSplitResult(List<IClusterLODComponent> rawComponents, ClusterTreeGenerator.Axis axis)
		{
			throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
		}

		// Token: 0x06006F36 RID: 28470 RVA: 0x0000220F File Offset: 0x0000040F
		[Token(Token = "0x6006F36")]
		[Address(RVA = "0x1F45B10", Offset = "0x1F44B10", VA = "0x181F45B10")]
		private void SetupMinMaxBuffers(List<IClusterLODComponent> components, Vector3[] minValues, Vector3[] maxValues)
		{
			throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
		}

		// Token: 0x0400499D RID: 18845
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x400499D")]
		private ClusterTreeGenerator.Stats stats;

		// Token: 0x0400499F RID: 18847
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x400499F")]
		private int minNumObjectPerCluster;

		// Token: 0x040049A0 RID: 18848
		[FieldOffset(Offset = "0x2C")]
		[Token(Token = "0x40049A0")]
		private int minNumVerts;

		// Token: 0x040049A1 RID: 18849
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x40049A1")]
		private int maxNumVerts;

		// Token: 0x040049A2 RID: 18850
		[FieldOffset(Offset = "0x34")]
		[Token(Token = "0x40049A2")]
		private float maxRadius;

		// Token: 0x040049A3 RID: 18851
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x40049A3")]
		private float distributeVSminimize;

		// Token: 0x040049A4 RID: 18852
		[FieldOffset(Offset = "0x40")]
		[Token(Token = "0x40049A4")]
		private Stack<ClusterNode> unProcessedClusters;

		// Token: 0x0200135A RID: 4954
		[Token(Token = "0x200135A")]
		private struct Stats
		{
			// Token: 0x040049A5 RID: 18853
			[FieldOffset(Offset = "0x0")]
			[Token(Token = "0x40049A5")]
			public int numOverSized;

			// Token: 0x040049A6 RID: 18854
			[FieldOffset(Offset = "0x4")]
			[Token(Token = "0x40049A6")]
			public int xSplits;

			// Token: 0x040049A7 RID: 18855
			[FieldOffset(Offset = "0x8")]
			[Token(Token = "0x40049A7")]
			public int ySplits;

			// Token: 0x040049A8 RID: 18856
			[FieldOffset(Offset = "0xC")]
			[Token(Token = "0x40049A8")]
			public int zSplits;
		}

		// Token: 0x0200135B RID: 4955
		[Token(Token = "0x200135B")]
		private struct SplitResult
		{
			// Token: 0x040049A9 RID: 18857
			[FieldOffset(Offset = "0x0")]
			[Token(Token = "0x40049A9")]
			public int bestIndex;

			// Token: 0x040049AA RID: 18858
			[FieldOffset(Offset = "0x4")]
			[Token(Token = "0x40049AA")]
			public float bestVolume;

			// Token: 0x040049AB RID: 18859
			[FieldOffset(Offset = "0x8")]
			[Token(Token = "0x40049AB")]
			public List<IClusterLODComponent> components;
		}

		// Token: 0x0200135C RID: 4956
		[Token(Token = "0x200135C")]
		private enum Axis
		{
			// Token: 0x040049AD RID: 18861
			[Token(Token = "0x40049AD")]
			X_AXIS,
			// Token: 0x040049AE RID: 18862
			[Token(Token = "0x40049AE")]
			Y_AXIS,
			// Token: 0x040049AF RID: 18863
			[Token(Token = "0x40049AF")]
			Z_AXIS
		}
	}
}