scripts
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niko
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using UnityEngine;
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namespace Parabox.STL
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{
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// Token: 0x02000005 RID: 5
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public static class pb_Stl_Importer
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{
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// Token: 0x06000009 RID: 9 RVA: 0x000028CC File Offset: 0x00000ACC
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public static Mesh[] Import(string path)
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{
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if (pb_Stl_Importer.IsBinary(path))
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{
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try
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{
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return pb_Stl_Importer.ImportBinary(path);
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}
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catch (Exception ex)
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{
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Debug.LogWarning(string.Format("Failed importing mesh at path {0}.\n{1}", path, ex.ToString()));
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return null;
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}
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}
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return pb_Stl_Importer.ImportAscii(path);
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}
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// Token: 0x0600000A RID: 10 RVA: 0x00002920 File Offset: 0x00000B20
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private static Mesh[] ImportBinary(string path)
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{
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pb_Stl_Importer.Facet[] array;
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using (FileStream fileStream = new FileStream(path, FileMode.Open, FileAccess.Read))
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{
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using (BinaryReader binaryReader = new BinaryReader(fileStream, new ASCIIEncoding()))
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{
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binaryReader.ReadBytes(80);
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uint num = binaryReader.ReadUInt32();
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array = new pb_Stl_Importer.Facet[num];
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for (uint num2 = 0U; num2 < num; num2 += 1U)
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{
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array[(int)num2] = new pb_Stl_Importer.Facet();
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array[(int)num2].normal.x = binaryReader.ReadSingle();
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array[(int)num2].normal.y = binaryReader.ReadSingle();
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array[(int)num2].normal.z = binaryReader.ReadSingle();
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array[(int)num2].a.x = binaryReader.ReadSingle();
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array[(int)num2].a.y = binaryReader.ReadSingle();
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array[(int)num2].a.z = binaryReader.ReadSingle();
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array[(int)num2].b.x = binaryReader.ReadSingle();
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array[(int)num2].b.y = binaryReader.ReadSingle();
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array[(int)num2].b.z = binaryReader.ReadSingle();
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array[(int)num2].c.x = binaryReader.ReadSingle();
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array[(int)num2].c.y = binaryReader.ReadSingle();
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array[(int)num2].c.z = binaryReader.ReadSingle();
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binaryReader.ReadUInt16();
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}
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}
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}
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return pb_Stl_Importer.CreateMeshWithFacets(array);
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}
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// Token: 0x0600000B RID: 11 RVA: 0x00002AC0 File Offset: 0x00000CC0
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private static int ReadState(string line)
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{
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if (line.StartsWith("solid"))
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{
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return 1;
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}
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if (line.StartsWith("facet"))
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{
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return 2;
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}
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if (line.StartsWith("outer"))
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{
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return 3;
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}
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if (line.StartsWith("vertex"))
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{
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return 4;
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}
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if (line.StartsWith("endloop"))
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{
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return 5;
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}
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if (line.StartsWith("endfacet"))
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{
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return 6;
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}
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if (line.StartsWith("endsolid"))
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{
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return 7;
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}
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return 0;
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}
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// Token: 0x0600000C RID: 12 RVA: 0x00002B38 File Offset: 0x00000D38
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private static Mesh[] ImportAscii(string path)
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{
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List<pb_Stl_Importer.Facet> list = new List<pb_Stl_Importer.Facet>();
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using (StreamReader streamReader = new StreamReader(path))
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{
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int num = 0;
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pb_Stl_Importer.Facet facet = null;
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bool flag = false;
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while (streamReader.Peek() > 0 && !flag)
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{
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string text = streamReader.ReadLine().Trim();
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switch (pb_Stl_Importer.ReadState(text))
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{
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case 2:
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facet = new pb_Stl_Importer.Facet();
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facet.normal = pb_Stl_Importer.StringToVec3(text.Replace("facet normal ", ""));
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break;
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case 3:
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num = 0;
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break;
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case 4:
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if (num == 0)
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{
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facet.a = pb_Stl_Importer.StringToVec3(text.Replace("vertex ", ""));
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}
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else if (num == 1)
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{
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facet.b = pb_Stl_Importer.StringToVec3(text.Replace("vertex ", ""));
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}
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else if (num == 2)
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{
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facet.c = pb_Stl_Importer.StringToVec3(text.Replace("vertex ", ""));
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}
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num++;
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break;
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case 6:
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list.Add(facet);
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break;
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case 7:
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flag = true;
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break;
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}
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}
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}
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return pb_Stl_Importer.CreateMeshWithFacets(list);
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}
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// Token: 0x0600000D RID: 13 RVA: 0x00002C88 File Offset: 0x00000E88
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private static Vector3 StringToVec3(string str)
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{
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string[] array = str.Trim().Split(null);
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Vector3 vector = default(Vector3);
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float.TryParse(array[0], out vector.x);
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float.TryParse(array[1], out vector.y);
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float.TryParse(array[2], out vector.z);
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return vector;
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}
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// Token: 0x0600000E RID: 14 RVA: 0x00002CDC File Offset: 0x00000EDC
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private static bool IsBinary(string path)
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{
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FileInfo fileInfo = new FileInfo(path);
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if (fileInfo.Length < 130L)
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{
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return false;
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}
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bool flag = false;
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using (FileStream fileStream = fileInfo.OpenRead())
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{
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using (BufferedStream bufferedStream = new BufferedStream(fileStream))
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{
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for (long num = 0L; num < 80L; num += 1L)
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{
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if (bufferedStream.ReadByte() == 0)
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{
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flag = true;
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break;
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}
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}
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}
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}
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if (!flag)
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{
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using (FileStream fileStream2 = fileInfo.OpenRead())
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{
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using (BufferedStream bufferedStream2 = new BufferedStream(fileStream2))
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{
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byte[] array = new byte[6];
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for (int i = 0; i < 6; i++)
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{
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array[i] = (byte)bufferedStream2.ReadByte();
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}
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flag = Encoding.UTF8.GetString(array) != "solid ";
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}
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}
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}
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return flag;
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}
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// Token: 0x0600000F RID: 15 RVA: 0x00002DE8 File Offset: 0x00000FE8
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private static Mesh[] CreateMeshWithFacets(IList<pb_Stl_Importer.Facet> facets)
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{
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int count = facets.Count;
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int num = 0;
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int num2 = 65535;
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Mesh[] array = new Mesh[count / 21845 + 1];
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for (int i = 0; i < array.Length; i++)
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{
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int num3 = Math.Min(num2, (count - num) * 3);
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Vector3[] array2 = new Vector3[num3];
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Vector3[] array3 = new Vector3[num3];
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int[] array4 = new int[num3];
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for (int j = 0; j < num3; j += 3)
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{
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array2[j] = facets[num].a;
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array2[j + 1] = facets[num].b;
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array2[j + 2] = facets[num].c;
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array3[j] = facets[num].normal;
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array3[j + 1] = facets[num].normal;
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array3[j + 2] = facets[num].normal;
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array4[j] = j;
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array4[j + 1] = j + 1;
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array4[j + 2] = j + 2;
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num++;
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}
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array[i] = new Mesh();
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array[i].vertices = array2;
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array[i].normals = array3;
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array[i].triangles = array4;
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}
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return array;
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}
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// Token: 0x04000004 RID: 4
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private const int MAX_FACETS_PER_MESH = 21845;
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// Token: 0x04000005 RID: 5
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private const int SOLID = 1;
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// Token: 0x04000006 RID: 6
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private const int FACET = 2;
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// Token: 0x04000007 RID: 7
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private const int OUTER = 3;
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// Token: 0x04000008 RID: 8
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private const int VERTEX = 4;
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// Token: 0x04000009 RID: 9
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private const int ENDLOOP = 5;
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// Token: 0x0400000A RID: 10
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private const int ENDFACET = 6;
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// Token: 0x0400000B RID: 11
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private const int ENDSOLID = 7;
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// Token: 0x0400000C RID: 12
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private const int EMPTY = 0;
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// Token: 0x02000008 RID: 8
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private class Facet
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{
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// Token: 0x06000017 RID: 23 RVA: 0x00002F7C File Offset: 0x0000117C
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public override string ToString()
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{
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return string.Format("{0:F2}: {1:F2}, {2:F2}, {3:F2}", new object[] { this.normal, this.a, this.b, this.c });
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}
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// Token: 0x04000012 RID: 18
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public Vector3 normal;
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// Token: 0x04000013 RID: 19
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public Vector3 a;
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// Token: 0x04000014 RID: 20
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public Vector3 b;
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// Token: 0x04000015 RID: 21
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public Vector3 c;
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}
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}
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}
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