mirror of
https://github.com/libretro/scummvm.git
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137 lines
2.9 KiB
C++
137 lines
2.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#ifndef __PAKFS_SAVE_MANAGER__
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#define __PAKFS_SAVE_MANAGER__
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#include <common/savefile.h>
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#include <common/zlib.h>
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#include <pakfs.h> // N64 PakFS library
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bool pakfs_deleteSaveGame(const char *filename);
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class InPAKSave : public Common::InSaveFile {
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private:
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PAKFILE *fd;
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uint32 read(void *buf, uint32 cnt);
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bool skip(uint32 offset);
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bool seek(int32 offs, int whence);
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public:
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InPAKSave() : fd(NULL) { }
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~InPAKSave() {
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if (fd != NULL)
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pakfs_close(fd);
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}
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bool eos() const {
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return pakfs_eof(fd);
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}
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void clearErr() {
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pakfs_clearerr(fd);
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}
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int32 pos() const {
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return pakfs_tell(fd);
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}
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int32 size() const {
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return fd->size;
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}
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bool readSaveGame(const char *filename) {
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fd = pakfs_open(filename, "r");
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return (fd != NULL);
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}
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};
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class OutPAKSave : public Common::OutSaveFile {
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private:
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PAKFILE *fd;
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public:
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uint32 write(const void *buf, uint32 cnt);
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OutPAKSave(const char *_filename) : fd(NULL) {
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fd = pakfs_open(_filename, "w");
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}
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~OutPAKSave() {
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if (fd != NULL) {
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finalize();
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pakfs_close(fd);
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flushCurrentPakData();
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}
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}
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bool err() const {
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if (fd)
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return (pakfs_error(fd) == 1);
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else
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return true;
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}
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void clearErr() {
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pakfs_clearerr(fd);
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}
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void finalize() {
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pakfs_flush(fd);
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}
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};
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class PAKSaveManager : public Common::SaveFileManager {
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public:
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virtual Common::OutSaveFile *openForSaving(const Common::String &filename) {
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OutPAKSave *s = new OutPAKSave(filename.c_str());
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if (!s->err()) {
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return Common::wrapCompressedWriteStream(s);
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} else {
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delete s;
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return NULL;
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}
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}
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virtual Common::InSaveFile *openForLoading(const Common::String &filename) {
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InPAKSave *s = new InPAKSave();
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if (s->readSaveGame(filename.c_str())) {
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return Common::wrapCompressedReadStream(s);
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} else {
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delete s;
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return NULL;
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}
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}
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virtual bool removeSavefile(const Common::String &filename) {
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return ::pakfs_deleteSaveGame(filename.c_str());
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}
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virtual Common::StringArray listSavefiles(const Common::String &pattern);
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};
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#endif
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