118 lines
2.7 KiB
C#
118 lines
2.7 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 MapViewer;
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namespace OpenRa.FileFormats
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{
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public class Map
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{
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public readonly string Title;
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public readonly string Theater;
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public readonly int XOffset;
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public readonly int YOffset;
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public readonly int Width;
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public readonly int Height;
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public readonly TileReference[ , ] MapTiles = new TileReference[ 128, 128 ];
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public Map( IniFile file )
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{
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IniSection basic = file.GetSection( "Basic" );
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Title = basic.GetValue( "Name", "(null)" );
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IniSection map = file.GetSection( "Map" );
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Theater = map.GetValue( "Theater", "TEMPERATE" );
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XOffset = int.Parse( map.GetValue( "X", "0" ) );
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YOffset = int.Parse( map.GetValue( "Y", "0" ) );
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Width = int.Parse( map.GetValue( "Width", "0" ) );
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Height = int.Parse( map.GetValue( "Height", "0" ) );
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MemoryStream ms = ReadMapPack( file );
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UnpackTileData( ms );
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}
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static MemoryStream ReadMapPack( IniFile file )
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{
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IniSection mapPackSection = file.GetSection( "MapPack" );
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StringBuilder sb = new StringBuilder();
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for( int i = 1 ; ; i++ )
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{
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string line = mapPackSection.GetValue( i.ToString(), null );
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if( line == null )
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break;
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sb.Append( line.Trim() );
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}
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byte[] data = Convert.FromBase64String( sb.ToString() );
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Console.WriteLine( "Format80 data: {0}", data.Length );
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List<byte[]> chunks = new List<byte[]>();
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BinaryReader reader = new BinaryReader( new MemoryStream( data ) );
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try
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{
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while( true )
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{
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uint length = reader.ReadUInt32() & 0xdfffffff;
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byte[] dest = new byte[ 8192 ];
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byte[] src = reader.ReadBytes( (int)length );
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int actualLength = Format80.DecodeInto( new MemoryStream( src ), dest );
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chunks.Add( dest );
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Console.WriteLine( "Chunk length: {0}", actualLength );
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}
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}
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catch( EndOfStreamException ) { }
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MemoryStream ms = new MemoryStream();
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foreach( byte[] chunk in chunks )
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ms.Write( chunk, 0, chunk.Length );
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ms.Position = 0;
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return ms;
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}
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static byte ReadByte( Stream s )
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{
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int ret = s.ReadByte();
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if( ret == -1 )
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throw new NotImplementedException();
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return (byte)ret;
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}
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void UnpackTileData( MemoryStream ms )
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{
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for( int i = 0 ; i < 128 ; i++ )
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{
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for( int j = 0 ; j < 128 ; j++ )
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{
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MapTiles[ i, j ].tile = ReadByte( ms );
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MapTiles[ i, j ].tile |= (ushort)( ReadByte( ms ) << 8 );
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}
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}
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for( int i = 0 ; i < 128 ; i++ )
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for( int j = 0 ; j < 128 ; j++ )
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MapTiles[ i, j ].image = ReadByte( ms );
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}
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}
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public struct TileReference
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{
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public ushort tile;
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public byte image;
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}
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}
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