Projext/Assets/Dungeon_Environment/Scripts/Utilities.cs


#if UNITY_EDITOR
using UnityEngine;
using System.Collections;
using UnityEditor;
using System.IO;
using System.Collections.Generic;
using System;
using Random = UnityEngine.Random;
using System.Globalization;

public class UTUUtilities : AssetPostprocessor
{
	class Section
	{
		public int Offset;
		public int NumIndices;
		public int Materialindex;
		public string MaterialName;
		public Material Mat;
	}
	class MeshBinding
	{
		public Mesh mesh;
		public MeshRenderer renderer;
	}
	void GetFloatsFromLine( string Line, ref List<float> Floats, GameObject gameobject )
	{
		Floats.Clear();

		string[] Tokens = Line.Split(new char[]{ ' ' } );

		for( int u = 1; u < Tokens.Length; u++ )
		{
			try
			{
				CultureInfo ci = (CultureInfo)CultureInfo.InvariantCulture.Clone();
				ci.NumberFormat.CurrencyDecimalSeparator = ".";
				float Val = float.Parse( Tokens[u], ci.NumberFormat);
				Floats.Add( Val );
			}
			catch( FormatException e )
			{
				Debug.LogError( "float.Parse failed in " + gameobject.name + " input=" + Tokens[u] + " exception=" + e.Message );
			}
		}
	}
	void GetIntsFromLine( string Line, ref List<int> Ints, GameObject gameobject )
	{
		Ints.Clear();

		string[] Tokens = Line.Split(new char[]{ ' ', '/' } );

		for( int u = 1; u < Tokens.Length; u++ )
		{
			try
			{
				int Val = int.Parse( Tokens[u] );
				Ints.Add( Val );
			}
			catch( FormatException e )
			{
				Debug.LogError( "int.Parse failed in " + gameobject.name + " input=" + Tokens[u] + " exception=" + e.Message );
			}
		}
	}
	private void OnPostprocessModel( GameObject gameobject )
	{
		UnityEditor.ModelImporter importer = this.assetImporter as UnityEditor.ModelImporter;

		string Path = importer.assetPath;
		if( !Path.Contains( ".obj" ) )
			return;


		string OBJFile = File.ReadAllText( Path );

		List<float> Floats = new List<float>();
		List<int> Ints = new List<int>();

		List<Vector3> Vertices = new List<Vector3>();
		List<Color> Colors = new List<Color>();
		List<Vector2> Texcoords0 = new List<Vector2>();
		List<Vector2> Texcoords1 = new List<Vector2>();
		List<Vector3> Normals = new List<Vector3>();
		List<Vector4> Tangents = new List<Vector4>();
		bool ReplaceNormals = true;
		List<int> Indices = new List<int>();
		List<Section> Sections = new List<Section>();
		string[] Lines = OBJFile.Split( new char[]{ '\n' } );
		for( int i = 0; i < Lines.Length; i++ )
		{
			string Line = Lines[i];
			if( Line.StartsWith( "v " ) )
			{
				string[] Tokens = Line.Split(new char[]{ ' ' } );
				Floats.Clear();
				for( int u = 1; u < Tokens.Length; u++ )//0 should be "v"
				{
					try
					{
						CultureInfo ci = (CultureInfo)CultureInfo.InvariantCulture.Clone();
						ci.NumberFormat.CurrencyDecimalSeparator = ".";
						float Val = float.Parse( Tokens[u], ci.NumberFormat);
						Floats.Add( Val );
					}
					catch( FormatException e )
					{
						Debug.LogError( "float.Parse failed for verts in " + gameobject.name + " input=" + Tokens[u] + " exception=" + e.Message );
					}
				}

				if( Floats.Count >= 3 )
					Vertices.Add( new Vector3( Floats[0], Floats[1], Floats[2] ) );
				else
					Vertices.Add( new Vector3( 0, 0, 0 ) );

				if( Floats.Count == 7 )
				{
					Colors.Add( new Color( Floats[3], Floats[4], Floats[5], Floats[6] ) );
				}
			}
			else if( Line.StartsWith( "vt " ) )
			{
				GetFloatsFromLine( Line, ref Floats, gameobject );
				if( Floats.Count == 2 )
				{
					Texcoords0.Add( new Vector2( Floats[0], Floats[1] ) );
				}
				else
					Texcoords0.Add( new Vector2( 0, 0 ) );
			}
			else if( Line.StartsWith( "vt1 " ) )
			{
				GetFloatsFromLine( Line, ref Floats, gameobject );
				if( Floats.Count == 2 )
				{
					Texcoords1.Add( new Vector2( Floats[0], Floats[1] ) );
				}
				else
					Texcoords1.Add( new Vector2( 0, 0 ) );
			}
			else i