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 static Map Load(World world, string fileName) { world.log.Log("Converting {0}...", LogType.SystemActivity, fileName); byte[] temp = new byte[8]; Map map = new Map(world); byte[] data; int length; try { using (FileStream stream = File.OpenRead(fileName)) { stream.Seek(-4, SeekOrigin.End); stream.Read(temp, 0, sizeof(int)); stream.Seek(0, SeekOrigin.Begin); length = BitConverter.ToInt32(temp, 0); data = new byte[length]; using (GZipStream reader = new GZipStream(stream, CompressionMode.Decompress)) { reader.Read(data, 0, length); } } //if( data[0] == 0xBE && data[1] == 0xEE && data[2] == 0xEF ) { for (int i = 0; i < length - 1; i++) { if (data[i] == 0xAC && data[i + 1] == 0xED) { // bypassing the header crap int pointer = i + 6; Array.Copy(data, pointer, temp, 0, sizeof(short)); pointer += Server.htons(BitConverter.ToInt16(temp, 0)); pointer += 13; int headerEnd = 0; // find the end of serialization listing for (headerEnd = pointer; headerEnd < data.Length - 1; headerEnd++) { if (data[headerEnd] == 0x78 && data[headerEnd + 1] == 0x70) { headerEnd += 2; break; } } // start parsing serialization listing int offset = 0; while (pointer < headerEnd) { if (data[pointer] == 'Z') { offset++; } else if (data[pointer] == 'I' || data[pointer] == 'F') { offset += 4; } else if (data[pointer] == 'J') { offset += 8; } pointer += 1; Array.Copy(data, pointer, temp, 0, sizeof(short)); short skip = Server.htons(BitConverter.ToInt16(temp, 0)); pointer += 2; // look for relevant variables Array.Copy(data, headerEnd + offset - 4, temp, 0, sizeof(int)); if (MemCmp(data, pointer, "width")) { map.widthX = (ushort)Server.htons(BitConverter.ToInt32(temp, 0)); } else if (MemCmp(data, pointer, "depth")) { map.height = (ushort)Server.htons(BitConverter.ToInt32(temp, 0)); } else if (MemCmp(data, pointer, "height")) { map.widthY = (ushort)Server.htons(BitConverter.ToInt32(temp, 0)); } else if (MemCmp(data, pointer, "xSpawn")) { map.spawn.x = (short)(Server.htons(BitConverter.ToInt32(temp, 0)) * 32 + 16); } else if (MemCmp(data, pointer, "ySpawn")) { map.spawn.h = (short)(Server.htons(BitConverter.ToInt32(temp, 0)) * 32 + 16); } else if (MemCmp(data, pointer, "zSpawn")) { map.spawn.y = (short)(Server.htons(BitConverter.ToInt32(temp, 0)) * 32 + 16); } pointer += skip; } // find the start of the block array bool foundBlockArray = false; offset = Array.IndexOf <byte>(data, 0x00, headerEnd); while (offset != -1 && offset < data.Length - 2) { if (data[offset] == 0x00 && data[offset + 1] == 0x78 && data[offset + 2] == 0x70) { foundBlockArray = true; pointer = offset + 7; } offset = Array.IndexOf <byte>(data, 0x00, offset + 1); } // copy the block array... or fail if (foundBlockArray) { map.CopyBlocks(data, pointer); if (!map.ValidateBlockTypes()) { throw new Exception("Map validation failed: unknown block types found. Either parsing has done wrong, or this is an incompatible format."); } } else { throw new Exception("Could not locate block array."); } break; } //} } } catch (Exception ex) { world.log.Log("Conversion failed: {0}", LogType.Error, ex.Message); world.log.Log(ex.StackTrace, LogType.Debug); return(null); } map.Save(); world.log.Log("Conversion completed succesfully succesful.", LogType.SystemActivity, fileName); 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 ) { byte[] temp = new byte[8]; Map map = new Map(); byte[] data; int length; try { MapStream.Seek( -4, SeekOrigin.End ); MapStream.Read( temp, 0, sizeof( int ) ); MapStream.Seek( 0, SeekOrigin.Begin ); length = BitConverter.ToInt32( temp, 0 ); data = new byte[length]; using( GZipStream reader = new GZipStream( MapStream, CompressionMode.Decompress, true ) ) { reader.Read( data, 0, length ); } for( int i = 0; i < length - 1; i++ ) { if( data[i] == 0xAC && data[i + 1] == 0xED ) { // bypassing the header crap int pointer = i + 6; Array.Copy( data, pointer, temp, 0, sizeof( short ) ); pointer += Server.SwapBytes( BitConverter.ToInt16( temp, 0 ) ); pointer += 13; int headerEnd = 0; // find the end of serialization listing for( headerEnd = pointer; headerEnd < data.Length - 1; headerEnd++ ) { if( data[headerEnd] == 0x78 && data[headerEnd + 1] == 0x70 ) { headerEnd += 2; break; } } // start parsing serialization listing int offset = 0; while( pointer < headerEnd ) { if( data[pointer] == 'Z' ) offset++; else if( data[pointer] == 'I' || data[pointer] == 'F' ) offset += 4; else if( data[pointer] == 'J' ) offset += 8; pointer += 1; Array.Copy( data, pointer, temp, 0, sizeof( short ) ); short skip = Server.SwapBytes( BitConverter.ToInt16( temp, 0 ) ); pointer += 2; // look for relevant variables Array.Copy( data, headerEnd + offset - 4, temp, 0, sizeof( int ) ); if( MemCmp( data, pointer, "width" ) ) { map.widthX = (ushort)Server.SwapBytes( BitConverter.ToInt32( temp, 0 ) ); } else if( MemCmp( data, pointer, "depth" ) ) { map.height = (ushort)Server.SwapBytes( BitConverter.ToInt32( temp, 0 ) ); } else if( MemCmp( data, pointer, "height" ) ) { map.widthY = (ushort)Server.SwapBytes( BitConverter.ToInt32( temp, 0 ) ); } else if( MemCmp( data, pointer, "xSpawn" ) ) { map.spawn.x = (short)(Server.SwapBytes( BitConverter.ToInt32( temp, 0 ) ) * 32 + 16); } else if( MemCmp( data, pointer, "ySpawn" ) ) { map.spawn.h = (short)(Server.SwapBytes( BitConverter.ToInt32( temp, 0 ) ) * 32 + 16); } else if( MemCmp( data, pointer, "zSpawn" ) ) { map.spawn.y = (short)(Server.SwapBytes( BitConverter.ToInt32( temp, 0 ) ) * 32 + 16); } pointer += skip; } // find the start of the block array bool foundBlockArray = false; offset = Array.IndexOf<byte>( data, 0x00, headerEnd ); while( offset != -1 && offset < data.Length - 2 ) { if( data[offset] == 0x00 && data[offset + 1] == 0x78 && data[offset + 2] == 0x70 ) { foundBlockArray = true; pointer = offset + 7; } offset = Array.IndexOf<byte>( data, 0x00, offset + 1 ); } // copy the block array... or fail if( foundBlockArray ) { map.CopyBlocks( data, pointer ); if( !map.ValidateBlockTypes( true ) ) { throw new Exception( "Map validation failed: unknown block types found. Either parsing has done wrong, or this is an incompatible format." ); } } else { throw new Exception( "Could not locate block array." ); } break; } } } catch( Exception ex ) { Logger.Log( "Conversion failed: {0}", LogType.Error, ex.Message ); Logger.Log( ex.StackTrace, LogType.Debug ); return null; } return map; }
public Map Load( Stream MapStream ) { MapStream.Seek( 0, SeekOrigin.Begin ); GZipStream gs = new GZipStream( MapStream, CompressionMode.Decompress, true ); NBTag tag = NBTag.ReadStream( gs ); Map map = new Map(); NBTag mapTag = tag["Map"]; map.widthX = mapTag["Width"].GetShort(); map.height = mapTag["Height"].GetShort(); map.widthY = mapTag["Length"].GetShort(); if( !map.ValidateHeader() ) { throw new Exception( "One or more of the map dimensions are invalid." ); } map.blocks = mapTag["Blocks"].GetBytes(); map.ValidateBlockTypes( false ); map.spawn.x = mapTag["Spawn"][0].GetShort(); map.spawn.h = mapTag["Spawn"][1].GetShort(); map.spawn.y = mapTag["Spawn"][2].GetShort(); map.spawn.r = 0; map.spawn.l = 0; return map; }