85 lines
2.1 KiB
C#
85 lines
2.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.IO;
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using System.Drawing;
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namespace OpenRa.FileFormats
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{
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public class Terrain
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{
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public readonly int Width;
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public readonly int Height;
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public readonly int XDim;
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public readonly int YDim;
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public readonly int NumTiles;
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readonly byte[] index;
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readonly List<Bitmap> TileBitmaps = new List<Bitmap>();
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public readonly List<byte[]> TileBitmapBytes = new List<byte[]>();
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public Terrain( Stream stream, Palette pal )
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{
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BinaryReader reader = new BinaryReader( stream );
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Width = reader.ReadUInt16();
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Height = reader.ReadUInt16();
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if( Width != 24 || Height != 24 )
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throw new InvalidDataException( string.Format( "{0}x{1}", Width, Height ) );
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NumTiles = reader.ReadUInt16();
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reader.ReadUInt16();
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XDim = reader.ReadUInt16();
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YDim = reader.ReadUInt16();
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uint FileSize = reader.ReadUInt32();
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uint ImgStart = reader.ReadUInt32();
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reader.ReadUInt32();
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reader.ReadUInt32();
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int IndexEnd = reader.ReadInt32();
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reader.ReadUInt32();
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int IndexStart = reader.ReadInt32();
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stream.Position = IndexStart;
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index = new byte[ IndexEnd - IndexStart ];
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stream.Read( index, 0, IndexEnd - IndexStart );
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for( int i = 0 ; i < index.Length ; i++ )
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{
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if (index[i] != 255)
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{
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byte[] tileData = new byte[24 * 24];
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stream.Position = ImgStart + index[i] * 24 * 24;
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stream.Read(tileData, 0, 24 * 24);
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TileBitmaps.Add(BitmapBuilder.FromBytes(tileData, new Size(24, 24), pal));
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TileBitmapBytes.Add(tileData);
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}
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else
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{
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TileBitmaps.Add(null);
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TileBitmapBytes.Add(null);
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}
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}
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}
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public Bitmap GetTile( int index )
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{
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if( index < TileBitmaps.Count )
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return TileBitmaps[ index ];
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else
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return null;
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}
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public Bitmap[ , ] GetTiles( int tileNum )
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{
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int startIndex = tileNum * XDim * YDim;
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Bitmap[ , ] ret = new Bitmap[ XDim, YDim ];
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for( int x = 0 ; x < XDim ; x++ )
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for( int y = 0 ; y < YDim ; y++ )
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ret[ x, y ] = GetTile( startIndex + x + XDim * y );
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return ret;
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}
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}
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}
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