public Map Load( System.IO.Stream MapStream ) { // Reset the seeker to the front of the stream // This should probably be done differently. MapStream.Seek( 0, SeekOrigin.Begin ); // Setup a GZipStream to decompress and read the map file GZipStream gs = new GZipStream( MapStream, CompressionMode.Decompress, true ); BinaryReader bs = new BinaryReader( gs ); Map map = new Map(); // Read in the magic number if ( bs.ReadUInt16() != 0x752 ) { throw new FormatException(); } // Read in the map dimesions map.widthX = bs.ReadInt16(); map.widthY = bs.ReadInt16(); map.height = bs.ReadInt16(); // Read in the spawn location map.spawn.x = (short)(bs.ReadInt16() * 32); map.spawn.y = (short)(bs.ReadInt16() * 32); map.spawn.h = (short)(bs.ReadInt16() * 32); // Read in the spawn orientation map.spawn.r = bs.ReadByte(); map.spawn.l = bs.ReadByte(); // Skip over the VisitPermission and BuildPermission bytes bs.ReadByte(); bs.ReadByte(); if( !map.ValidateHeader() ) { throw new Exception( "One or more of the map dimensions are invalid." ); } // Read in the map data map.blocks = bs.ReadBytes( map.GetBlockCount() ); for( int i = 0; i < map.blocks.Length; i++ ) { if( map.blocks[i] > 49 ) { map.blocks[i] = mapping[map.blocks[i]]; } } return map; }
public Map Load( Stream MapStream ) { // Reset the seeker to the front of the stream // This should probably be done differently. MapStream.Seek( 0, SeekOrigin.Begin ); Map m = new Map(); // Setup a GZipStream to decompress and read the map file using ( GZipStream gs = new GZipStream( MapStream, CompressionMode.Decompress, true ) ) { BinaryReader bs = new BinaryReader( gs ); // Read in the magic number if ( bs.ReadByte() != 0xbe || bs.ReadByte() != 0xee || bs.ReadByte() != 0xef ) { throw new FormatException( "MinerCPP map header is incorrect." ); } // Read in the map dimesions // Saved in big endian for who-know-what reason. // XYZ(?) m.widthX = IPAddress.NetworkToHostOrder( bs.ReadInt16() ); m.height = IPAddress.NetworkToHostOrder( bs.ReadInt16() ); m.widthY = IPAddress.NetworkToHostOrder( bs.ReadInt16() ); // Read in the spawn location // XYZ(?) m.spawn.x = IPAddress.NetworkToHostOrder( bs.ReadInt16() ); m.spawn.h = IPAddress.NetworkToHostOrder( bs.ReadInt16() ); m.spawn.y = IPAddress.NetworkToHostOrder( bs.ReadInt16() ); // Read in the spawn orientation m.spawn.r = bs.ReadByte(); m.spawn.l = bs.ReadByte(); // Skip over the block count, totally useless bs.ReadInt32(); // Read in the map data m.blocks = bs.ReadBytes( m.GetBlockCount() ); if ( !m.ValidateBlockTypes( true ) ) { throw new Exception( "Unrecognized block types in the map." ); } } return m; }
public Map Load( Stream MapStream ) { // Reset the seeker to the front of the stream // This should probably be done differently. MapStream.Seek( 0, SeekOrigin.Begin ); Map map = new Map(); BinaryReader reader = new BinaryReader( MapStream ); // Read in the magic number if ( reader.ReadUInt32() != Identifier ) { throw new FormatException(); } // Read in the map dimesions map.widthX = reader.ReadInt16(); map.widthY = reader.ReadInt16(); map.height = reader.ReadInt16(); // Read in the spawn location map.spawn.x = reader.ReadInt16(); map.spawn.y = reader.ReadInt16(); map.spawn.h = reader.ReadInt16(); // Read in the spawn orientation map.spawn.r = reader.ReadByte(); map.spawn.l = reader.ReadByte(); // Read the metadata map.ReadMetadata( reader ); if( !map.ValidateHeader() ) { throw new Exception( "One or more of the map dimensions are invalid." ); } // Read in the map data map.blocks = new Byte[map.GetBlockCount()]; using ( GZipStream decompressor = new GZipStream( MapStream, CompressionMode.Decompress, true ) ) { decompressor.Read( map.blocks, 0, map.blocks.Length ); } return map; }