Logo Search packages:      
Sourcecode: scummvm version File versions


/* 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
 * 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::SaveFile {
      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;
      DSSaveFile(SCUMMSave* s, bool saveCompressed, u8* data);
      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;
      static DSSaveFileManager* instance() { return instancePtr; }

      Common::SaveFile *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);

      Common::SaveFile *makeSaveFile(const char *filename, bool saveOrLoad);


Generated by  Doxygen 1.6.0   Back to index