git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1070 993157c7-ee19-0410-b2c4-bb4e9862e678

2007-06-24 14:46:57 +00:00
parent 0b773950a9
commit b83b17385d
11 changed files with 146 additions and 30 deletions
--- a/OpenRa.FileFormats/Terrain.cs
+++ b/OpenRa.FileFormats/Terrain.cs
@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+using System.Drawing;
+
+namespace OpenRa.FileFormats
+{
+	public class Terrain
+	{
+		public readonly int Width;
+		public readonly int Height;
+		public readonly int XDim;
+		public readonly int YDim;
+		public readonly int NumTiles;
+
+		readonly byte[] index;
+		readonly List<Bitmap> TileBitmaps = new List<Bitmap>();
+
+		public Terrain( Stream stream, Palette pal )
+		{
+			BinaryReader reader = new BinaryReader( stream );
+			Width = reader.ReadUInt16();
+			Height = reader.ReadUInt16();
+
+			if( Width != 24 || Height != 24 )
+				throw new InvalidDataException();
+
+			NumTiles = reader.ReadUInt16();
+			reader.ReadUInt16();
+			XDim = reader.ReadUInt16();
+			YDim = reader.ReadUInt16();
+			uint FileSize = reader.ReadUInt32();
+			uint ImgStart = reader.ReadUInt32();
+			reader.ReadUInt32();
+			reader.ReadUInt32();
+			int IndexEnd = reader.ReadInt32();
+			reader.ReadUInt32();
+			int IndexStart = reader.ReadInt32();
+
+			stream.Position = IndexStart;
+			index = new byte[ IndexEnd - IndexStart ];
+			stream.Read( index, 0, IndexEnd - IndexStart );
+
+			for( int i = 0 ; i < index.Length ; i++ )
+			{
+				if( index[ i ] != 255 )
+				{
+					byte[] tileData = new byte[ 24 * 24 ];
+					stream.Position = ImgStart + index[ i ] * 24 * 24;
+					stream.Read( tileData, 0, 24 * 24 );
+					TileBitmaps.Add( BitmapBuilder.FromBytes( tileData, 24, 24, pal ) );
+				}
+				else
+					TileBitmaps.Add( null );
+			}
+		}
+
+		public Bitmap GetTile( int index )
+		{
+			return TileBitmaps[ index ];
+		}
+
+		public Bitmap[ , ] GetTiles( int tileNum )
+		{
+			int startIndex = tileNum * XDim * YDim;
+			Bitmap[ , ] ret = new Bitmap[ XDim, YDim ];
+
+			for( int x = 0 ; x < XDim ; x++ )
+				for( int y = 0 ; y < YDim ; y++ )
+					ret[ x, y ] = GetTile( startIndex + x + XDim * y );
+
+			return ret;
+		}
+	}
+}