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

namespace ClusterLOD
{
	// Token: 0x02000C91 RID: 3217
	[Token(Token = "0x2000C91")]
	[StructLayout(3)]
	public class ClusterMeshGenerator
	{
		// Token: 0x06004D68 RID: 19816 RVA: 0x00120650 File Offset: 0x0011E850
		[Token(Token = "0x6004D68")]
		[Address(RVA = "0x1B31A30", Offset = "0x1B30430", VA = "0x181B31A30")]
		public ClusterMeshGenerator(int minNumVerts, int maxNumVerts, float maxRadius)
		{
			this.minNumVerts = minNumVerts;
			this.maxNumVerts = maxNumVerts;
			this.maxDiameterSq = maxRadius;
		}

		// Token: 0x17000D6E RID: 3438
		// (get) Token: 0x06004D69 RID: 19817 RVA: 0x00120678 File Offset: 0x0011E878
		// (set) Token: 0x06004D6A RID: 19818 RVA: 0x0012068C File Offset: 0x0011E88C
		[Token(Token = "0x17000D6E")]
		public List<ClusterMesh> Meshes
		{
			[Token(Token = "0x6004D69")]
			[Address(RVA = "0x3C1220", Offset = "0x3BFC20", VA = "0x1803C1220")]
			get;
			[Token(Token = "0x6004D6A")]
			[Address(RVA = "0x3C1260", Offset = "0x3BFC60", VA = "0x1803C1260")]
			private set;
		}

		// Token: 0x06004D6B RID: 19819 RVA: 0x001206A0 File Offset: 0x0011E8A0
		[Token(Token = "0x6004D6B")]
		[Address(RVA = "0x1B316E0", Offset = "0x1B300E0", VA = "0x181B316E0")]
		public void CreateClusterMeshInstances(ClusterTree tree)
		{
			List<ClusterMesh> list = new List();
			this.<Meshes>k__BackingField = list;
			ClusterNode <Root>k__BackingField = tree.<Root>k__BackingField;
			int num = this.UpdateVertexCount(<Root>k__BackingField);
			ClusterNode <Root>k__BackingField2 = tree.<Root>k__BackingField;
			this.CreateClusterMeshInstances(<Root>k__BackingField2);
		}

		// Token: 0x06004D6C RID: 19820 RVA: 0x001206E0 File Offset: 0x0011E8E0
		[Token(Token = "0x6004D6C")]
		[Address(RVA = "0x1B31990", Offset = "0x1B30390", VA = "0x181B31990")]
		private int UpdateVertexCount(ClusterNode node)
		{
			if (node != 0)
			{
				List<IClusterLODComponent> components = node.components;
				if (components != 0)
				{
					int vertexCount = ClusterUtil.GetVertexCount(components, 1);
				}
				int num = 0;
				node.vertexCount = num;
				ClusterNode child = node.child1;
				int num2 = this.UpdateVertexCount(child);
				num += num2;
				node.vertexCount = num;
				ClusterNode child2 = node.child2;
				int num3 = this.UpdateVertexCount(child2);
				num3 += num;
				node.vertexCount = num3;
				return num3;
			}
			return 0;
		}

		// Token: 0x06004D6D RID: 19821 RVA: 0x00120750 File Offset: 0x0011E950
		[Token(Token = "0x6004D6D")]
		[Address(RVA = "0x1B31770", Offset = "0x1B30170", VA = "0x181B31770")]
		private void CreateClusterMeshInstances(ClusterNode node)
		{
			int num = 0;
			if (node != 0)
			{
				if (node.child1 != num)
				{
					int num2 = this.maxNumVerts;
					Vector3 vector;
					float z = vector.z;
					int num3 = this.minNumVerts;
					if (node.vertexCount > num3)
					{
						ClusterNode child = node.child1;
						this.CreateClusterMeshInstances(child);
						ClusterNode child2 = node.child2;
						this.CreateClusterMeshInstances(child2);
						return;
					}
				}
				ClusterMesh clusterMesh = new ClusterMesh();
				List<ClusterMesh.ClusterInfo> list = new List();
				clusterMesh.Clusters = list;
				ClusterMeshUpdateJobData clusterMeshUpdateJobData = new ClusterMeshUpdateJobData();
				clusterMesh.updateData = clusterMeshUpdateJobData;
				Bounds bounds = node.bounds;
				clusterMesh.bounds = bounds;
				throw new NullReferenceException();
			}
		}

		// Token: 0x06004D6E RID: 19822 RVA: 0x001207EC File Offset: 0x0011E9EC
		[Token(Token = "0x6004D6E")]
		[Address(RVA = "0x1B31550", Offset = "0x1B2FF50", VA = "0x181B31550")]
		private void AssignNodesToMesh(ClusterNode node, ClusterMesh newClusterMesh)
		{
			if (node != 0)
			{
				if (node.components != 0)
				{
					ClusterMesh.ClusterInfo clusterInfo = new ClusterMesh.ClusterInfo();
					List<IClusterLODComponent> list = new List();
					clusterInfo.components = list;
					NativeClusterMesh nativeClusterMesh = new NativeClusterMesh();
					clusterInfo.nativeMesh = nativeClusterMesh;
					SubdivideMeshData subdivideMeshData = new SubdivideMeshData();
					clusterInfo.subdivideMeshData = subdivideMeshData;
					List<IClusterLODComponent> components = node.components;
					clusterInfo.components = components;
					Bounds bounds = node.bounds;
					clusterInfo.bounds = bounds;
					clusterInfo.requestedLod = (byte)((ulong)1L);
					newClusterMesh.Clusters.Add(clusterInfo);
				}
				ClusterNode child = node.child1;
				this.AssignNodesToMesh(child, newClusterMesh);
			}
		}

		// Token: 0x0400397F RID: 14719
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x400397F")]
		private int minNumVerts;

		// Token: 0x04003980 RID: 14720
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x14")]
		[Token(Token = "0x4003980")]
		private int maxNumVerts;

		// Token: 0x04003981 RID: 14721
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4003981")]
		private float maxDiameterSq;
	}
}