Reorganise FileFormats

OpenRA.FileFormats/Map/TileSet.cs

@@ -0,0 +1,117 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
+ * This file is part of OpenRA.
+ * 
+ *  OpenRA is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  OpenRA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with OpenRA.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#endregion
+
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+
+namespace OpenRA.FileFormats
+{
+	public class TileSet
+	{
+		public readonly Dictionary<ushort, Terrain> tiles = new Dictionary<ushort, Terrain>();
+
+		public readonly Walkability Walkability;
+		public readonly Dictionary<ushort, TileTemplate> walk 
+			= new Dictionary<ushort, TileTemplate>();
+
+		string NextLine( StreamReader reader )
+		{
+			string ret;
+			do
+			{
+				ret = reader.ReadLine();
+				if( ret == null )
+					return null;
+				ret = ret.Trim();
+			}
+			while( ret.Length == 0 || ret[ 0 ] == ';' );
+			return ret;
+		}
+
+		public TileSet( string tilesetFile, string templatesFile, string suffix )
+		{
+			Walkability = new Walkability(templatesFile);
+
+			char tileSetChar = char.ToUpperInvariant( suffix[ 0 ] );
+			StreamReader tileIdFile = new StreamReader( FileSystem.Open(tilesetFile) );
+
+			while( true )
+			{
+				string tileSetStr = NextLine( tileIdFile );
+				string countStr = NextLine( tileIdFile );
+				string startStr = NextLine( tileIdFile );
+				string pattern = NextLine( tileIdFile );
+				if( tileSetStr == null || countStr == null || startStr == null || pattern == null )
+					break;
+
+				if( tileSetStr.IndexOf( tileSetChar.ToString() ) == -1 )
+					continue;
+
+				int count = int.Parse( countStr );
+				int start = int.Parse( startStr, NumberStyles.HexNumber );
+				for( int i = 0 ; i < count ; i++ )
+				{
+					string tilename = string.Format(pattern, i + 1);
+
+					if (!walk.ContainsKey((ushort)(start + i)))
+						walk.Add((ushort)(start + i), Walkability.GetTileTemplate(tilename));
+
+					using( Stream s = FileSystem.Open( tilename + "." + suffix ) )
+					{
+						if( !tiles.ContainsKey( (ushort)( start + i ) ) )
+							tiles.Add( (ushort)( start + i ), new Terrain( s ) );
+					}
+				}
+			}
+
+			tileIdFile.Close();
+		}
+
+		public byte[] GetBytes(TileReference r)
+		{
+			Terrain tile;
+
+			if( tiles.TryGetValue( r.tile, out tile ) )
+				return tile.TileBitmapBytes[ r.image ];
+			
+			byte[] missingTile = new byte[ 24 * 24 ];
+			for( int i = 0 ; i < missingTile.Length ; i++ )
+				missingTile[ i ] = 0x36;
+
+			return missingTile;
+		}
+
+		public TerrainType GetTerrainType(TileReference r)
+		{
+			if (r.tile == 0xff || r.tile == 0xffff)
+				r.image = 0;
+			
+			try {
+				return walk[r.tile].TerrainType[r.image];
+			}
+			catch (KeyNotFoundException)
+			{
+				return 0; // Default zero (walkable)
+			}
+			
+		}
+	}
+}