scummvm/engines/grim/savegame.h
2021-12-26 21:19:38 +01:00

105 lines
2.8 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef GRIM_SAVEGAME_H
#define GRIM_SAVEGAME_H
#include "common/savefile.h"
#include "math/mathfwd.h"
namespace Grim {
class Color;
class SaveGame {
public:
static SaveGame *openForLoading(const Common::String &filename);
static SaveGame *openForSaving(const Common::String &filename);
~SaveGame();
/**
* Major savegame version.
* If a savegame has a different major version than SAVEGAME_MAJOR_VERSION
* it cannot be loaded.
*/
static uint SAVEGAME_MAJOR_VERSION;
/**
* Minor savegame version.
* A savegame with a different minor version than SAVEGAME_MINOR_VERSION and
* the same major version than SAVEGAME_MAJOR_VERSION is compatible with
* the current loading code.
*/
static uint SAVEGAME_MINOR_VERSION;
bool isCompatible() const;
uint saveMajorVersion() const;
uint saveMinorVersion() const;
uint32 beginSection(uint32 sectionTag);
void endSection();
void read(void *data, int size);
void write(const void *data, int size);
uint64 readLEUint64();
uint32 readLEUint32();
uint16 readLEUint16();
int32 readLESint32();
bool readBool();
byte readByte();
void writeLEUint64(uint64 data);
void writeLEUint32(uint32 data);
void writeLEUint16(uint16 data);
void writeLESint32(int32 data);
void writeBool(bool data);
void writeByte(byte data);
void writeString(const Common::String &string);
void writeVector3d(const Math::Vector3d &vec);
void writeColor(const Grim::Color &color);
void writeFloat(float data);
Math::Vector3d readVector3d();
Grim::Color readColor();
float readFloat();
Common::String readString();
void checkAlloc(int size);
protected:
SaveGame();
uint _majorVersion;
uint _minorVersion;
bool _saving;
Common::InSaveFile *_inSaveFile;
Common::OutSaveFile *_outSaveFile;
uint32 _currentSection;
uint32 _sectionSize;
uint32 _sectionAlloc;
uint32 _sectionPtr;
byte *_sectionBuffer;
static const int _allocAmmount = 1048576;
};
} // end of namespace Grim
#endif