mirror of
https://github.com/ClassiCube/ClassiCube.git
synced 2025-10-15 01:27:09 -04:00
119 lines
2.9 KiB
C#
119 lines
2.9 KiB
C#
using System;
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using System.IO;
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using System.IO.Compression;
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using System.Text;
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namespace ClassicalSharp {
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public sealed class MapLvl {
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const uint Identifier = 0x88B71B27;
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const byte Revision = 2;
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const ushort streamMagic = 0xEDAC;
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const ushort streamVersion = 0x0500;
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public static byte[] Load( Stream stream, Game game, out int width, out int height, out int length ) {
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using( GZipStream decompressed = new GZipStream( stream, CompressionMode.Decompress ) ) {
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BinaryReader reader = new BinaryReader( decompressed );
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if( reader.ReadUInt32() != Identifier || reader.ReadByte() != Revision ) {
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throw new InvalidDataException( "Unexpected constant in .lvl file" );
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}
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// Java serialization constants
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if( reader.ReadUInt16() != streamMagic || reader.ReadUInt16() != streamVersion ) {
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throw new InvalidDataException( "Unexpected java serialisation constant(s)." );
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}
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int typeCode = 0;
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while( ( typeCode = decompressed.ReadByte() ) != -1 ) {
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HandleTypeCode( typeCode, reader );
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}
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}
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width = 0;
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length = 0;
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height = 0;
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return null;
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}
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static string ReadString( BinaryReader reader ) {
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int len = ( reader.ReadByte() << 8 ) | reader.ReadByte();
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byte[] data = reader.ReadBytes( len );
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return Encoding.ASCII.GetString( data );
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}
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static void HandleTypeCode( int typeCode, BinaryReader reader ) {
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switch( typeCode ) {
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case 0x42: // prim_byte
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case 0x43: // prim_char
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case 0x44: // prim_double
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case 0x46: // prim_float
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case 0x49: // prim_integer
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case 0x4A: // prim_long
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case 0x53: // prim_short
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case 0x5A: // prim_boolean
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{
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string fieldName = ReadString( reader );
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} break;
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case 0x4C:
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case 0x5B:
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{
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string fieldName = ReadString( reader );
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} break;
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case 0x70: // TC_NULL
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break;
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case 0x71: // TC_REFERENCE
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break;
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case 0x72: // TC_CLASSDESC
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{
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string className = ReadString( reader );
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reader.ReadUInt64(); // serial identifier
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reader.ReadByte(); // various flags
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reader.ReadUInt16(); // number of fields
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} break;
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case 0x73: // TC_OBJECT
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break;
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case 0x74: // TC_STRING
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string value = ReadString( reader );
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break;
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case 0x75: // TC_ARRAY
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break;
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case 0x76: // TC_CLASS
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break;
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case 0x77: // TC_BLOCKDATA
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break;
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case 0x78: // TC_ENDBLOCKDATA
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break;
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case 0x79: // TC_RESET
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break;
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case 0x7A: // TC_BLOCKDATALONG
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break;
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case 0x7B: // TC_EXCEPTION
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break;
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case 0x7C: // TC_LONGSTRING
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break;
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case 0x7D: // TC_PROXYCLASSDESC
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break;
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case 0x7E: // TC_ENUM
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break;
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}
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}
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}
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} |