using System;
using System.Collections.Generic;
using System.Linq;

namespace TriangleNet
{
	// Token: 0x02000010 RID: 16
	internal class Sampler
	{
		// Token: 0x06000090 RID: 144 RVA: 0x00010FFA File Offset: 0x0000F1FA
		public void Reset()
		{
			this.samples = 1;
			this.triangleCount = 0;
		}

		// Token: 0x06000091 RID: 145 RVA: 0x0001100A File Offset: 0x0000F20A
		public void Update(Mesh mesh)
		{
			this.Update(mesh, false);
		}

		// Token: 0x06000092 RID: 146 RVA: 0x00011014 File Offset: 0x0000F214
		public void Update(Mesh mesh, bool forceUpdate)
		{
			int count = mesh.triangles.Count;
			if (this.triangleCount != count || forceUpdate)
			{
				this.triangleCount = count;
				while (Sampler.samplefactor * this.samples * this.samples * this.samples < count)
				{
					this.samples++;
				}
				this.keys = mesh.triangles.Keys.ToArray<int>();
			}
		}

		// Token: 0x06000093 RID: 147 RVA: 0x00011088 File Offset: 0x0000F288
		public int[] GetSamples(Mesh mesh)
		{
			List<int> list = new List<int>(this.samples);
			int num = this.triangleCount / this.samples;
			for (int i = 0; i < this.samples; i++)
			{
				int num2 = Sampler.rand.Next(i * num, (i + 1) * num - 1);
				if (!mesh.triangles.Keys.Contains(this.keys[num2]))
				{
					this.Update(mesh, true);
					i--;
				}
				else
				{
					list.Add(this.keys[num2]);
				}
			}
			return list.ToArray();
		}

		// Token: 0x0400007E RID: 126
		private static Random rand = new Random(DateTime.Now.Millisecond);

		// Token: 0x0400007F RID: 127
		private int samples = 1;

		// Token: 0x04000080 RID: 128
		private int triangleCount;

		// Token: 0x04000081 RID: 129
		private static int samplefactor = 11;

		// Token: 0x04000082 RID: 130
		private int[] keys;
	}
}