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/* ScummVM - Scumm Interpreter
* Copyright (C) 2005-2006 Neil Millstone
* Copyright (C) 2006 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef _RAMSAVE_H_
#define _RAMSAVE_H_
#include "system.h"
#include "savefile.h"
// SaveFileManager class
#define DS_MAX_SAVE_SIZE 150000
class DSSaveFile : public Common::InSaveFile, public Common::OutSaveFile {
int address;
int ptr;
bool ownsData;
bool saveCompressed;
struct SCUMMSave {
u32 magic; // 4
bool isValid; // 5
bool pad; // 6
char name[16]; // 22
u32 size; // 26
u32 compressedSize; // 30
u16 extraMagic; // 32
u32 reserved; // 36
} __attribute__ ((packed));
SCUMMSave save;
u8* saveData;
SCUMMSave* origHeader;
bool isOpenFlag;
bool isTempFile;
public:
DSSaveFile();
DSSaveFile(SCUMMSave* s, bool saveCompressed, u8* data);
~DSSaveFile();
void reset();
bool isOpen() const { return isOpenFlag; }
virtual bool eos() const;
virtual void skip(uint32 size);
virtual uint32 pos() const;
virtual uint32 size() const;
virtual void seek(int32 pos, int whence);
uint32 read(void *buf, uint32 size);
uint32 write(const void *buf, uint32 size);
void setName(char *name);
char* getName() { return save.name; }
bool isValid() { return save.isValid; }
bool isTemp() { return isTempFile; }
bool matches(char* prefix, int num);
bool matches(char* filename);
void clearData();
void compress();
int getRamUsage() { return sizeof(save) + save.compressedSize; }
char* getRamImage() { return (char *) &save; }
int getSize() { return save.size; }
DSSaveFile* clone();
bool loadFromSaveRAM(vu8* address);
int saveToSaveRAM(vu8* address);
void deleteFile();
void operator delete(void *p) {
// consolePrintf("Finished! size=%d\n", ((DSSaveFile *) (p))->save->size);
}
};
class DSSaveFileManager : public Common::SaveFileManager {
DSSaveFile gbaSave[8];
static DSSaveFileManager* instancePtr;
int sramBytesFree;
public:
DSSaveFileManager();
~DSSaveFileManager();
static DSSaveFileManager* instance() { return instancePtr; }
DSSaveFile *openSavefile(const char *filename, bool saveOrLoad);
virtual Common::OutSaveFile* openForSaving(const char* filename) { return openSavefile(filename, true); }
virtual Common::InSaveFile* openForLoading(const char* filename) { return openSavefile(filename, false); }
void listSavefiles(const char *prefix, bool *marks, int num);
void flushToSaveRAM();
void addBytesFree(int size) { sramBytesFree += size; }
int getBytesFree() { return sramBytesFree; }
void deleteFile(char* name);
void listFiles();
void formatSram();
void loadAllFromSRAM();
static bool isExtraDataPresent();
static int getExtraData();
static void setExtraData(int data);
protected:
DSSaveFile *makeSaveFile(const char *filename, bool saveOrLoad);
};
#endif
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