diff options
Diffstat (limited to 'backends/platform/n64/framfs_save_manager.h')
-rw-r--r-- | backends/platform/n64/framfs_save_manager.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/backends/platform/n64/framfs_save_manager.h b/backends/platform/n64/framfs_save_manager.h new file mode 100644 index 0000000000..194dec3fc6 --- /dev/null +++ b/backends/platform/n64/framfs_save_manager.h @@ -0,0 +1,132 @@ +/* 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 __FRAMFS_SAVE_MANAGER__ +#define __FRAMFS_SAVE_MANAGER__ + +#include <common/savefile.h> +#include <common/zlib.h> + +#include <framfs.h> // N64 FramFS library + +bool fram_deleteSaveGame(const char *filename); + +class InFRAMSave : public Common::InSaveFile { +private: + FRAMFILE *fd; + + uint32 read(void *buf, uint32 cnt); + bool skip(uint32 offset); + bool seek(int32 offs, int whence); + +public: + InFRAMSave() : fd(NULL) { } + + ~InFRAMSave() { + if (fd != NULL) + framfs_close(fd); + } + + bool eos() const { + return framfs_eof(fd); + } + void clearErr() { + framfs_clearerr(fd); + } + int32 pos() const { + return framfs_tell(fd); + } + int32 size() const { + return fd->size; + } + + bool readSaveGame(const char *filename) { + fd = framfs_open(filename, "r"); + return (fd != NULL); + } +}; + +class OutFRAMSave : public Common::OutSaveFile { +private: + FRAMFILE *fd; + +public: + uint32 write(const void *buf, uint32 cnt); + + OutFRAMSave(const char *_filename) : fd(NULL) { + fd = framfs_open(_filename, "w"); + } + + ~OutFRAMSave() { + if (fd != NULL) { + finalize(); + framfs_close(fd); + } + } + + bool err() const { + if (fd) + return (framfs_error(fd) == 1); + else + return true; + } + void clearErr() { + framfs_clearerr(fd); + } + void finalize() { + framfs_flush(fd); + } +}; + +class FRAMSaveManager : public Common::SaveFileManager { +public: + + virtual Common::OutSaveFile *openForSaving(const Common::String &filename) { + OutFRAMSave *s = new OutFRAMSave(filename.c_str()); + if (!s->err()) { + return Common::wrapCompressedWriteStream(s); + } else { + delete s; + return 0; + } + } + + virtual Common::InSaveFile *openForLoading(const Common::String &filename) { + InFRAMSave *s = new InFRAMSave(); + if (s->readSaveGame(filename.c_str())) { + return Common::wrapCompressedReadStream(s); + } else { + delete s; + return 0; + } + } + + virtual bool removeSavefile(const Common::String &filename) { + return ::fram_deleteSaveGame(filename.c_str()); + } + + virtual Common::StringList listSavefiles(const Common::String &pattern); +}; + + +#endif + |