static Map LoadFCM(World _world, string fileName)
{
FileStream fs = null;
Map map = new Map(_world);
try {
fs = File.OpenRead(fileName);
if (map.ReadHeader(fs))
{
map.ReadMetadata(fs);
map.ReadBlocks(fs);
if (!map.ValidateBlockTypes())
{
throw new Exception("Invalid block types detected. File is possibly corrupt.");
}
_world.log.Log("Loaded map succesfully from {0}", LogType.SystemActivity, fileName);
return(map);
}
else
{
return(null);
}
} catch (EndOfStreamException) {
_world.log.Log("Map.Load: Unexpected end of file - possible corruption!", LogType.Error);
return(null);
} catch (Exception ex) {
_world.log.Log("Map.Load: Error trying to read from \"{0}\": {1}", LogType.Error, fileName, ex.Message);
return(null);
} finally {
if (fs != null)
{
fs.Close();
}
}
}
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;
}
