mirror of
https://github.com/libretro/scummvm.git
synced 2025-01-09 03:10:22 +00:00
77 lines
2.3 KiB
C++
77 lines
2.3 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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
*/
|
|
|
|
#include "illusions/gamestate.h"
|
|
|
|
namespace Illusions {
|
|
|
|
GameState::GameState()
|
|
: _writeBufferSize(0), _writeBuffer(0), _readStream(0) {
|
|
}
|
|
|
|
GameState::~GameState() {
|
|
free(_writeBuffer);
|
|
}
|
|
|
|
bool GameState::readState(uint32 &sceneId, uint32 &threadId) {
|
|
sceneId = _readStream->readUint32LE();
|
|
threadId = _readStream->readUint32LE();
|
|
return readStateInternal(_readStream);
|
|
}
|
|
|
|
void GameState::writeState(uint32 sceneId, uint32 threadId) {
|
|
Common::WriteStream *writeStream = newWriteStream();
|
|
writeStream->writeUint32LE(sceneId);
|
|
writeStream->writeUint32LE(threadId);
|
|
writeStateInternal(writeStream);
|
|
delete writeStream;
|
|
}
|
|
|
|
void GameState::read(Common::ReadStream *in) {
|
|
uint32 size = in->readUint32LE();
|
|
_readStream = in->readStream(size);
|
|
}
|
|
|
|
void GameState::write(Common::WriteStream *out) {
|
|
out->writeUint32LE(_writeBufferSize);
|
|
out->write(_writeBuffer, _writeBufferSize);
|
|
}
|
|
|
|
void GameState::deleteReadStream() {
|
|
delete _readStream;
|
|
_readStream = 0;
|
|
}
|
|
|
|
Common::WriteStream *GameState::newWriteStream() {
|
|
if (_writeBufferSize == 0 || !_writeBuffer) {
|
|
_writeBufferSize = calcWriteBufferSize();
|
|
_writeBuffer = (byte*)malloc(_writeBufferSize);
|
|
}
|
|
return new Common::MemoryWriteStream(_writeBuffer, _writeBufferSize);
|
|
}
|
|
|
|
uint32 GameState::calcWriteBufferSize() {
|
|
return calcWriteBufferSizeInternal() + 4 + 4;
|
|
}
|
|
|
|
} // End of namespace Illusions
|