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 ) { 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; }