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

namespace ClusterLOD
{
	// Token: 0x02001351 RID: 4945
	[Token(Token = "0x2001351")]
	public class ClusterMeshGenerator
	{
		// Token: 0x06006F05 RID: 28421 RVA: 0x0018625C File Offset: 0x0018445C
		[Token(Token = "0x6006F05")]
		[Address(RVA = "0x1F40F60", Offset = "0x1F3FF60", VA = "0x181F40F60")]
		public ClusterMeshGenerator(int minNumVerts, int maxNumVerts, float maxRadius)
		{
			this.minNumVerts = minNumVerts;
			this.maxNumVerts = maxNumVerts;
			this.maxDiameterSq = maxRadius;
		}

		// Token: 0x170011DE RID: 4574
		// (get) Token: 0x06006F06 RID: 28422 RVA: 0x00186284 File Offset: 0x00184484
		// (set) Token: 0x06006F07 RID: 28423 RVA: 0x00186298 File Offset: 0x00184498
		[Token(Token = "0x170011DE")]
		public List<ClusterMesh> Meshes
		{
			[Token(Token = "0x6006F06")]
			[Address(RVA = "0x4157C0", Offset = "0x4147C0", VA = "0x1804157C0")]
			get;
			[Token(Token = "0x6006F07")]
			[Address(RVA = "0x415810", Offset = "0x414810", VA = "0x180415810")]
			private set;
		}

		// Token: 0x06006F08 RID: 28424 RVA: 0x001862AC File Offset: 0x001844AC
		[Token(Token = "0x6006F08")]
		[Address(RVA = "0x1F40C10", Offset = "0x1F3FC10", VA = "0x181F40C10")]
		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: 0x06006F09 RID: 28425 RVA: 0x001862EC File Offset: 0x001844EC
		[Token(Token = "0x6006F09")]
		[Address(RVA = "0x1F40EC0", Offset = "0x1F3FEC0", VA = "0x181F40EC0")]
		private int UpdateVertexCount(ClusterNode node)
		{
			if (node != 0)
			{
				List<IClusterLODComponent> components = node.components;
				if (components != 0)
				{
					int vertexCount = ClusterUtil.GetVertexCount(components, NPBPPKDLKDN.Far);
				}
				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: 0x06006F0A RID: 28426 RVA: 0x0018635C File Offset: 0x0018455C
		[Token(Token = "0x6006F0A")]
		[Address(RVA = "0x1F40CA0", Offset = "0x1F3FCA0", VA = "0x181F40CA0")]
		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;
					Vector3 vector2;
					float z2 = vector2.z;
					Vector3 vector3;
					float z3 = vector3.z;
					float num3;
					if (num3 > this.maxDiameterSq)
					{
						int num4 = this.minNumVerts;
						if (node.vertexCount > num4)
						{
							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: 0x06006F0B RID: 28427 RVA: 0x00186414 File Offset: 0x00184614
		[Token(Token = "0x6006F0B")]
		[Address(RVA = "0x1F40A50", Offset = "0x1F3FA50", VA = "0x181F40A50")]
		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;
					PCIKHFEIHGO pcikhfeihgo = new PCIKHFEIHGO();
					clusterInfo.nativeMesh = pcikhfeihgo;
					SubdivideMeshData subdivideMeshData = new SubdivideMeshData();
					clusterInfo.subdivideMeshData = subdivideMeshData;
					List<IClusterLODComponent> components = node.components;
					clusterInfo.components = components;
					Bounds bounds = node.bounds;
					clusterInfo.bounds = bounds;
					newClusterMesh.Clusters.Add(clusterInfo);
					int componentCount = newClusterMesh.componentCount;
					int num = clusterInfo.components._size;
					num += componentCount;
					newClusterMesh.componentCount = num;
				}
				ClusterNode child = node.child1;
				this.AssignNodesToMesh(child, newClusterMesh);
			}
		}

		// Token: 0x04004975 RID: 18805
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4004975")]
		private int minNumVerts;

		// Token: 0x04004976 RID: 18806
		[FieldOffset(Offset = "0x14")]
		[Token(Token = "0x4004976")]
		private int maxNumVerts;

		// Token: 0x04004977 RID: 18807
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4004977")]
		private float maxDiameterSq;
	}
}