diff options
Diffstat (limited to 'engines/glk/advsys/game.h')
| -rw-r--r-- | engines/glk/advsys/game.h | 41 |
1 files changed, 32 insertions, 9 deletions
diff --git a/engines/glk/advsys/game.h b/engines/glk/advsys/game.h index 9e2a6f759f..044d2642e7 100644 --- a/engines/glk/advsys/game.h +++ b/engines/glk/advsys/game.h @@ -23,27 +23,30 @@ #ifndef GLK_ADVSYS_GAME #define GLK_ADVSYS_GAME +#include "common/array.h" #include "common/stream.h" namespace Glk { namespace AdvSys { /** - * Decompressor + * Data decryption */ -struct Compression { +class Decrypter { +public: /** - * Decompress a data block + * Decrypt a data block */ - static void decompress(byte* data, size_t size); + static void decrypt(byte* data, size_t size); }; /** * AdvSys game header */ -struct Header { +class Header : public Decrypter { +public: bool _valid; ///< Signals whether header is valid - size_t _size; ///< Header size in bytes + size_t _size; ///< Size in bytes uint _headerVersion; ///< Header structure version Common::String _name; ///< Adventure name uint _version; ///< Adventure version @@ -63,7 +66,7 @@ struct Header { uint _errorHandler; ///< Error handler code offset uint _saveArea; ///< Save area offset uint _saveSize; ///< Save area size - +public: /** * Constructor */ @@ -76,14 +79,34 @@ struct Header { /** * Constructor */ - Header(Common::ReadStream* s) { + Header(Common::ReadStream &s) { load(s); } /** * Load the header */ - void load(Common::ReadStream *s); + bool load(Common::ReadStream &s); +}; + +/** + * Game abstraction class + */ +class Game : public Header { +private: + uint _saveOffset; +public: + Common::Array<byte> _data; +public: + /** + * Constructor + */ + Game() : Header(), _saveOffset(0) {} + + /** + * Load data for the game + */ + bool load(Common::SeekableReadStream &s); }; } // End of namespace AdvSys |