scummvm/engines/kyra/saveload_mr.cpp
2014-02-18 02:39:35 +01:00

330 lines
9.4 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 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 "common/endian.h"
#include "common/savefile.h"
#include "common/substream.h"
#include "common/system.h"
#include "kyra/kyra_mr.h"
#include "kyra/timer.h"
namespace Kyra {
Common::Error KyraEngine_MR::saveGameStateIntern(int slot, const char *saveName, const Graphics::Surface *thumb) {
const char *fileName = getSavegameFilename(slot);
Common::OutSaveFile *out = openSaveForWriting(fileName, saveName, thumb);
if (!out)
return _saveFileMan->getError();
_timer->saveDataToFile(*out);
out->writeUint32BE(sizeof(_flagsTable));
out->write(_flagsTable, sizeof(_flagsTable));
out->writeSint16BE(_lastMusicCommand);
out->writeByte(_currentChapter);
out->writeByte(_characterShapeFile);
out->writeByte(_album.curPage);
out->writeSint16BE(_score);
out->writeSint16BE(_scoreMax);
out->writeByte(_malcolmsMood);
for (int i = 0; i < 30; ++i)
out->write(_conversationState[i], 30);
out->write(_newSceneDlgState, 40);
for (int i = 0; i < 100; ++i)
out->writeSint16BE(_hiddenItems[i]);
out->write(_scoreFlagTable, 26);
out->writeUint16BE(_mainCharacter.sceneId);
out->writeSint16BE(_mainCharacter.dlgIndex);
out->writeByte(_mainCharacter.height);
out->writeByte(_mainCharacter.facing);
out->writeUint16BE(_mainCharacter.animFrame);
out->writeByte(_mainCharacter.walkspeed);
for (int i = 0; i < 10; ++i)
out->writeUint16BE(_mainCharacter.inventory[i]);
out->writeSint16BE(_mainCharacter.x1);
out->writeSint16BE(_mainCharacter.y1);
out->writeSint16BE(_mainCharacter.x2);
out->writeSint16BE(_mainCharacter.y2);
out->writeSint16BE(_mainCharacter.x3);
out->writeSint16BE(_mainCharacter.y3);
for (int i = 0; i < 50; ++i) {
out->writeSint16BE(_itemList[i].id);
out->writeUint16BE(_itemList[i].sceneId);
out->writeSint16BE(_itemList[i].x);
out->writeSint16BE(_itemList[i].y);
}
for (int i = 0; i < 88; ++i) {
out->write(_talkObjectList[i].filename, 13);
out->writeByte(_talkObjectList[i].sceneAnim);
out->writeByte(_talkObjectList[i].sceneScript);
out->writeSint16BE(_talkObjectList[i].x);
out->writeSint16BE(_talkObjectList[i].y);
out->writeByte(_talkObjectList[i].color);
out->writeByte(_talkObjectList[i].sceneId);
}
for (int i = 0; i < 98; ++i) {
out->write(_sceneList[i].filename1, 10);
out->write(_sceneList[i].filename2, 10);
out->writeUint16BE(_sceneList[i].exit1);
out->writeUint16BE(_sceneList[i].exit2);
out->writeUint16BE(_sceneList[i].exit3);
out->writeUint16BE(_sceneList[i].exit4);
out->writeByte(_sceneList[i].flags);
out->writeByte(_sceneList[i].sound);
}
out->writeSint16BE(_itemInHand);
out->writeUint16BE(_sceneExit1);
out->writeUint16BE(_sceneExit2);
out->writeUint16BE(_sceneExit3);
out->writeUint16BE(_sceneExit4);
out->finalize();
// check for errors
if (out->err()) {
warning("Can't write file '%s'. (Disk full?)", fileName);
return Common::kUnknownError;
} else {
debugC(1, kDebugLevelMain, "Saved game '%s.'", saveName);
}
delete out;
return Common::kNoError;
}
Common::Error KyraEngine_MR::loadGameState(int slot) {
const char *fileName = getSavegameFilename(slot);
SaveHeader header;
Common::InSaveFile *saveFile = openSaveForReading(fileName, header);
if (!saveFile) {
showMessageFromCCode(17, 0xB3, 0);
snd_playSoundEffect(0x0D, 0xC8);
return Common::kUnknownError;
}
if (header.originalSave)
warning("Trying to load savegame from original interpreter, while this is possible, it is not officially supported");
if (_inventoryState) {
updateCharacterAnim(0);
restorePage3();
drawAnimObjects();
_inventoryState = true;
refreshAnimObjects(0);
hideInventory();
}
_deathHandler = -1;
if (!_unkSceneScreenFlag1)
_lastMusicCommand = -1;
int curShapes = _characterShapeFile;
Common::SeekableSubReadStreamEndian in(saveFile, saveFile->pos(), saveFile->size(), !header.originalSave, DisposeAfterUse::YES);
_screen->hideMouse();
if (!header.originalSave) {
_timer->loadDataFromFile(in, header.version);
uint32 flagsSize = in.readUint32BE();
assert(flagsSize <= sizeof(_flagsTable));
in.read(_flagsTable, flagsSize);
}
_lastMusicCommand = in.readSint16();
_currentChapter = in.readByte();
_characterShapeFile = in.readByte();
if (header.version >= 12 || header.originalSave)
_album.curPage = in.readByte();
if (header.originalSave)
in.readByte();
_score = in.readSint16();
_scoreMax = in.readSint16();
_malcolmsMood = in.readByte();
if (header.originalSave)
in.seek(8, SEEK_CUR);
for (int i = 0; i < 30; ++i)
in.read(_conversationState[i], 30);
if (!header.originalSave) {
in.read(_newSceneDlgState, 40);
} else {
for (int i = 0; i < 40; ++i)
_newSceneDlgState[i] = in.readUint16();
}
for (int i = 0; i < 100; ++i)
_hiddenItems[i] = in.readSint16();
if (header.originalSave)
in.read(_flagsTable, 69);
in.read(_scoreFlagTable, 26);
_mainCharacter.sceneId = in.readUint16();
_mainCharacter.dlgIndex = in.readSint16();
_mainCharacter.height = in.readByte();
_mainCharacter.facing = in.readByte();
_mainCharacter.animFrame = in.readUint16();
if (!header.originalSave) {
_mainCharacter.walkspeed = in.readByte();
} else {
in.seek(2, SEEK_CUR);
_mainCharacter.walkspeed = in.readUint32();
}
for (int i = 0; i < 10; ++i)
_mainCharacter.inventory[i] = in.readUint16();
_mainCharacter.x1 = in.readSint16();
_mainCharacter.y1 = in.readSint16();
_mainCharacter.x2 = in.readSint16();
_mainCharacter.y2 = in.readSint16();
_mainCharacter.x3 = in.readSint16();
_mainCharacter.y3 = in.readSint16();
for (int i = 0; i < 50; ++i) {
_itemList[i].id = in.readSint16();
_itemList[i].sceneId = in.readUint16();
_itemList[i].x = in.readSint16();
_itemList[i].y = in.readSint16();
if (header.version <= 9 || header.originalSave)
in.readUint16();
}
for (int i = 0; i < 88; ++i) {
in.read(_talkObjectList[i].filename, 13);
_talkObjectList[i].sceneAnim = in.readByte();
_talkObjectList[i].sceneScript = in.readByte();
_talkObjectList[i].x = in.readSint16();
_talkObjectList[i].y = in.readSint16();
_talkObjectList[i].color = in.readByte();
if (header.version >= 13 || header.originalSave)
_talkObjectList[i].sceneId = in.readByte();
}
for (int i = 0; i < 98; ++i) {
if (!header.originalSave) {
in.read(_sceneList[i].filename1, 10);
} else {
in.read(_sceneList[i].filename1, 9);
_sceneList[i].filename1[9] = 0;
}
if (!header.originalSave) {
in.read(_sceneList[i].filename2, 10);
} else {
in.read(_sceneList[i].filename2, 9);
_sceneList[i].filename2[9] = 0;
}
_sceneList[i].exit1 = in.readUint16();
_sceneList[i].exit2 = in.readUint16();
_sceneList[i].exit3 = in.readUint16();
_sceneList[i].exit4 = in.readUint16();
_sceneList[i].flags = in.readByte();
_sceneList[i].sound = in.readByte();
}
_itemInHand = in.readSint16();
if (header.originalSave) {
uint32 currentTime = _system->getMillis();
for (int i = 0; i < 6; ++i)
_timer->setDelay(i, in.readSint32LE());
for (int i = 0; i < 6; ++i) {
if (in.readUint16LE())
_timer->enable(i);
else
_timer->disable(i);
}
for (int i = 0; i < 6; ++i)
_timer->setNextRun(i, currentTime + (in.readUint32LE() * _tickLength));
_timer->resetNextRun();
}
_sceneExit1 = in.readUint16();
_sceneExit2 = in.readUint16();
_sceneExit3 = in.readUint16();
_sceneExit4 = in.readUint16();
if (saveFile->err() || saveFile->eos()) {
warning("Load failed ('%s', '%s').", fileName, header.description.c_str());
return Common::kUnknownError;
} else {
debugC(1, kDebugLevelMain, "Loaded savegame '%s.'", header.description.c_str());
}
_loadingState = true;
updateCharacterAnim(0);
_loadingState = false;
if (curShapes != _characterShapeFile)
loadCharacterShapes(_characterShapeFile);
_mainCharX = _mainCharacter.x2 = _mainCharacter.x1;
_mainCharY = _mainCharacter.y2 = _mainCharacter.y1;
_mainCharacter.facing = 4;
_badConscienceShown = false;
_badConsciencePosition = false;
_goodConscienceShown = false;
_goodConsciencePosition = false;
enterNewScene(_mainCharacter.sceneId, _mainCharacter.facing, 0, 0, 1);
setHandItem(_itemInHand);
if (_lastMusicCommand >= 0 && !_unkSceneScreenFlag1)
snd_playWanderScoreViaMap(_lastMusicCommand, 1);
else if (_lastMusicCommand == -1)
snd_playWanderScoreViaMap(28, 1);
while (!_screen->isMouseVisible())
_screen->showMouse();
setCommandLineRestoreTimer(7);
_shownMessage = " ";
_restoreCommandLine = false;
// We didn't explicitly set the walk speed, but it's saved as part of
// the _timers array, so we need to re-sync it with _configWalkspeed.
setWalkspeed(_configWalkspeed);
return Common::kNoError;
}
} // End of namespace Kyra