scummvm/engines/ags/plugins/serializer.h
2021-12-26 18:48:43 +01:00

104 lines
2.4 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 AGS_PLUGINS_SERIALIZER_H
#define AGS_PLUGINS_SERIALIZER_H
#include "ags/shared/api/stream_api.h"
#include "ags/plugins/ags_plugin.h"
#include "common/serializer.h"
namespace AGS3 {
namespace Plugins {
class Serializer {
private:
IAGSEngine *_engine;
long _file;
bool _isLoading;
public:
Serializer(IAGSEngine *engine, long file, bool isLoading) :
_engine(engine), _file(file), _isLoading(isLoading) {}
bool isLoading() const {
return _isLoading;
}
bool isSaving() const {
return !_isLoading;
}
template<typename T>
void syncAsInt(T &value) {
byte buf[4];
if (_isLoading) {
_engine->FRead(buf, 4, _file);
value = READ_LE_INT32(buf);
} else {
WRITE_LE_UINT32(buf, value);
_engine->FWrite(buf, 4, _file);
}
}
void syncAsBool(bool &value) {
if (_isLoading)
_engine->FRead(&value, 1, _file);
else
_engine->FWrite(&value, 1, _file);
}
void syncAsInt8(int8 &value) {
if (_isLoading)
_engine->FRead(&value, 1, _file);
else
_engine->FWrite(&value, 1, _file);
}
void syncAsByte(byte &value) {
if (_isLoading)
_engine->FRead(&value, 1, _file);
else
_engine->FWrite(&value, 1, _file);
}
void syncAsFloat(float &value) {
if (_isLoading)
_engine->FRead(&value, sizeof(float), _file);
else
_engine->FWrite(&value, sizeof(float), _file);
}
void syncAsDouble(double &value) {
if (_isLoading)
_engine->FRead(&value, sizeof(double), _file);
else
_engine->FWrite(&value, sizeof(double), _file);
}
void unreadInt() {
_engine->FSeek(-4, AGS::Shared::kSeekCurrent, _file);
}
};
} // namespace Plugins
} // namespace AGS3
#endif