diff options
Diffstat (limited to 'engines/access/files.h')
-rw-r--r-- | engines/access/files.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/engines/access/files.h b/engines/access/files.h new file mode 100644 index 0000000000..714ea44c75 --- /dev/null +++ b/engines/access/files.h @@ -0,0 +1,142 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifndef ACCESS_FILES_H +#define ACCESS_FILES_H + +#include "common/scummsys.h" +#include "common/array.h" +#include "common/file.h" +#include "graphics/surface.h" +#include "access/decompress.h" + +namespace Access { + +class AccessEngine; + +struct FileIdent { + int _fileNum; + int _subfile; + + FileIdent(); + FileIdent(int fileNum, int subfile) { _fileNum = fileNum; _subfile = subfile; } + + void load(Common::SeekableReadStream &s); +}; + +struct CellIdent : FileIdent { + byte _cell; + + CellIdent(); + CellIdent(int cell, int fileNum, int subfile); +}; + +class FileManager; + +class Resource { + friend class FileManager; +private: + Common::File _file; + byte *_data; +public: + Common::SeekableReadStream *_stream; + int _size; + + Resource(); + Resource(byte *data, int size); + ~Resource(); + byte *data(); +}; + +class FileManager { +private: + AccessEngine *_vm; + const char * const *_filenames; + + void openFile(Resource *res, const Common::String &filename); + + /** + * Handles setting up the resource with a stream for the located resource + */ + void handleFile(Resource *res); + + /** + * Handles loading a screen surface and palette with decoded resource + */ + void handleScreen(Graphics::Surface *dest, Resource *res); + + /** + * Open up a sub-file container file + */ + void setAppended(Resource *file, int fileNum); + + /** + * Open up a sub-file resource within an alrady opened container file. + */ + void gotoAppended(Resource *file, int subfile); +public: + int _fileNumber; + Common::Array<uint32> _fileIndex; + bool _setPaletteFlag; +public: + FileManager(AccessEngine *vm); + ~FileManager(); + + /** + * Check the existence of a given file + */ + bool existFile(const Common::String &filename); + + /** + * Load a given subfile from a container file + */ + Resource *loadFile(int fileNum, int subfile); + + /** + * Loads a resource specified by a file identifier + */ + Resource *loadFile(const FileIdent &fileIdent); + + /** + * Load a given file by name + */ + Resource *loadFile(const Common::String &filename); + + /** + * Load a given scren from a container file + */ + void loadScreen(int fileNum, int subfile); + + /** + * Load a given screen by name + */ + void loadScreen(const Common::String &filename); + + /** + * Load a screen resource onto a designated surface + */ + void loadScreen(Graphics::Surface *dest, int fileNum, int subfile); +}; + +} // End of namespace Access + +#endif /* ACCESS_FILES_H */ |