scummvm/engines/kyra/saveload_lok.cpp
2011-12-26 21:34:22 +01:00

320 lines
10 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 "kyra/kyra_lok.h"
#include "kyra/animator_lok.h"
#include "kyra/resource.h"
#include "kyra/sound.h"
#include "kyra/timer.h"
#include "common/savefile.h"
namespace Kyra {
Common::Error KyraEngine_LoK::loadGameState(int slot) {
const char *fileName = getSavegameFilename(slot);
SaveHeader header;
Common::InSaveFile *in = openSaveForReading(fileName, header);
if (!in)
return _saveFileMan->getError();
if (header.originalSave) {
// no support for original savefile in Kyrandia 1 (yet)
delete in;
return Common::kUnknownError;
}
snd_playSoundEffect(0x0A);
snd_playWanderScoreViaMap(0, 1);
// unloading the current voice file should fix some problems with voices
if (_currentRoom != 0xFFFF && _flags.isTalkie) {
char file[32];
assert(_currentRoom < _roomTableSize);
int tableId = _roomTable[_currentRoom].nameIndex;
assert(tableId < _roomFilenameTableSize);
strcpy(file, _roomFilenameTable[tableId]);
strcat(file, ".VRM");
_res->unloadPakFile(file);
}
for (int i = 0; i < 11; i++) {
_characterList[i].sceneId = in->readUint16BE();
_characterList[i].height = in->readByte();
_characterList[i].facing = in->readByte();
_characterList[i].currentAnimFrame = in->readUint16BE();
//_characterList[i].unk6 = in->readUint32BE();
in->read(_characterList[i].inventoryItems, 10);
_characterList[i].x1 = in->readSint16BE();
_characterList[i].y1 = in->readSint16BE();
_characterList[i].x2 = in->readSint16BE();
_characterList[i].y2 = in->readSint16BE();
//_characterList[i].field_20 = in->readUint16BE();
//_characterList[i].field_23 = in->readUint16BE();
}
_marbleVaseItem = in->readSint16BE();
_itemInHand = (int8)in->readByte();
for (int i = 0; i < 4; ++i)
_birthstoneGemTable[i] = in->readByte();
for (int i = 0; i < 3; ++i)
_idolGemsTable[i] = in->readByte();
for (int i = 0; i < 3; ++i)
_foyerItemTable[i] = in->readByte();
_cauldronState = in->readByte();
for (int i = 0; i < 2; ++i)
_crystalState[i] = in->readByte();
_brandonStatusBit = in->readUint16BE();
_brandonStatusBit0x02Flag = in->readByte();
_brandonStatusBit0x20Flag = in->readByte();
in->read(_brandonPoisonFlagsGFX, 256);
_brandonInvFlag = in->readSint16BE();
_poisonDeathCounter = in->readByte();
_animator->_brandonDrawFrame = in->readUint16BE();
_timer->loadDataFromFile(*in, header.version);
memset(_flagsTable, 0, sizeof(_flagsTable));
uint32 flagsSize = in->readUint32BE();
assert(flagsSize <= sizeof(_flagsTable));
in->read(_flagsTable, flagsSize);
for (int i = 0; i < _roomTableSize; ++i) {
for (int item = 0; item < 12; ++item) {
_roomTable[i].itemsTable[item] = kItemNone;
_roomTable[i].itemsXPos[item] = 0xFFFF;
_roomTable[i].itemsYPos[item] = 0xFF;
_roomTable[i].needInit[item] = 0;
}
}
uint16 sceneId = 0;
while (true) {
sceneId = in->readUint16BE();
if (sceneId == 0xFFFF)
break;
assert(sceneId < _roomTableSize);
_roomTable[sceneId].nameIndex = in->readByte();
for (int i = 0; i < 12; i++) {
_roomTable[sceneId].itemsTable[i] = in->readByte();
_roomTable[sceneId].itemsXPos[i] = in->readUint16BE();
_roomTable[sceneId].itemsYPos[i] = in->readUint16BE();
_roomTable[sceneId].needInit[i] = in->readByte();
}
}
if (header.version >= 3) {
_lastMusicCommand = in->readSint16BE();
if (_lastMusicCommand != -1)
snd_playWanderScoreViaMap(_lastMusicCommand, 1);
}
// Version 4 stored settings in the savegame. As of version 5, they are
// handled by the config manager.
if (header.version == 4) {
in->readByte(); // Text speed
in->readByte(); // Walk speed
in->readByte(); // Music
in->readByte(); // Sound
in->readByte(); // Voice
}
if (header.version >= 7) {
_curSfxFile = in->readByte();
// In the first version when this entry was introduced,
// it wasn't made sure that _curSfxFile was initialized
// so if it's out of bounds we just set it to 0.
if (_flags.platform == Common::kPlatformFMTowns) {
if (_curSfxFile >= _soundData->fileListLen || _curSfxFile < 0)
_curSfxFile = 0;
_sound->loadSoundFile(_curSfxFile);
}
}
loadMainScreen(8);
if (queryGameFlag(0x2D)) {
_screen->loadBitmap("AMULET3.CPS", 10, 10, 0);
if (!queryGameFlag(0xF1)) {
for (int i = 0x55; i <= 0x5A; ++i) {
if (queryGameFlag(i))
seq_createAmuletJewel(i - 0x55, 10, 1, 1);
}
}
_screen->copyRegion(8, 8, 8, 8, 304, 212, 10, 0);
}
setHandItem(_itemInHand);
// Will-O-Wisp uses a different shape size than Brandon's usual
// shape, thus we need to setup the correct size depending on
// his state over here. This fixes graphics glitches when loading
// saves, where Brandon is transformed into the Will-O-Wisp.
if (_brandonStatusBit & 2)
_animator->setBrandonAnimSeqSize(5, 48);
else
_animator->setBrandonAnimSeqSize(3, 48);
redrawInventory(0);
// Original hardcoded Brandon position for certain scenes:
// - SceneId 7 ("A ruined bridge") and flag 0x39 set, which seems
// to indicate that Herman is still in the scene.
// - SceneId 2 ("Inside the temple") and flag 0x2D not set, which
// indicates that the amulet is not obtained yet and thus Brynn
// is still inside the temple
if (_currentCharacter->sceneId == 7 && queryGameFlag(0x39)) {
_currentCharacter->x1 = 282;
_currentCharacter->y1 = 108;
_currentCharacter->facing = 5;
} else if (_currentCharacter->sceneId == 2 && !queryGameFlag(0x2D)) {
_currentCharacter->x1 = 294;
_currentCharacter->y1 = 132;
_currentCharacter->facing = 5;
}
_brandonPosX = _currentCharacter->x2 = _currentCharacter->x1;
_brandonPosY = _currentCharacter->y2 = _currentCharacter->y1;
// We need to reset the "_noDrawShapesFlag" flag of Animator_LoK
// over here. Else in certain cases restoring an savegame might
// result in no shapes being drawn at all. See bug report
// #2868581 "KYRA1: Invisible Brandon" for an example of this.
_animator->_noDrawShapesFlag = 0;
enterNewScene(_currentCharacter->sceneId, _currentCharacter->facing, 0, 0, 1);
_animator->animRefreshNPC(0);
_animator->restoreAllObjectBackgrounds();
_animator->preserveAnyChangedBackgrounds();
_animator->prepDrawAllObjects();
_animator->copyChangedObjectsForward(0);
_screen->copyRegion(8, 8, 8, 8, 304, 128, 2, 0);
_screen->updateScreen();
setMousePos(_currentCharacter->x1, _currentCharacter->y1);
if (in->err() || in->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());
}
// 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);
delete in;
return Common::kNoError;
}
Common::Error KyraEngine_LoK::saveGameStateIntern(int slot, const char *saveName, const Graphics::Surface *thumb) {
const char *fileName = getSavegameFilename(slot);
if (shouldQuit())
return Common::kNoError;
Common::OutSaveFile *out = openSaveForWriting(fileName, saveName, thumb);
if (!out)
return _saveFileMan->getError();
for (int i = 0; i < 11; i++) {
out->writeUint16BE(_characterList[i].sceneId);
out->writeByte(_characterList[i].height);
out->writeByte(_characterList[i].facing);
out->writeUint16BE(_characterList[i].currentAnimFrame);
//out->writeUint32BE(_characterList[i].unk6);
out->write(_characterList[i].inventoryItems, 10);
out->writeSint16BE(_characterList[i].x1);
out->writeSint16BE(_characterList[i].y1);
out->writeSint16BE(_characterList[i].x2);
out->writeSint16BE(_characterList[i].y2);
//out->writeUint16BE(_characterList[i].field_20);
//out->writeUint16BE(_characterList[i].field_23);
}
out->writeSint16BE(_marbleVaseItem);
out->writeByte(_itemInHand);
for (int i = 0; i < 4; ++i)
out->writeByte(_birthstoneGemTable[i]);
for (int i = 0; i < 3; ++i)
out->writeByte(_idolGemsTable[i]);
for (int i = 0; i < 3; ++i)
out->writeByte(_foyerItemTable[i]);
out->writeByte(_cauldronState);
for (int i = 0; i < 2; ++i)
out->writeByte(_crystalState[i]);
out->writeUint16BE(_brandonStatusBit);
out->writeByte(_brandonStatusBit0x02Flag);
out->writeByte(_brandonStatusBit0x20Flag);
out->write(_brandonPoisonFlagsGFX, 256);
out->writeSint16BE(_brandonInvFlag);
out->writeByte(_poisonDeathCounter);
out->writeUint16BE(_animator->_brandonDrawFrame);
_timer->saveDataToFile(*out);
out->writeUint32BE(sizeof(_flagsTable));
out->write(_flagsTable, sizeof(_flagsTable));
for (uint16 i = 0; i < _roomTableSize; i++) {
out->writeUint16BE(i);
out->writeByte(_roomTable[i].nameIndex);
for (int a = 0; a < 12; a++) {
out->writeByte(_roomTable[i].itemsTable[a]);
out->writeUint16BE(_roomTable[i].itemsXPos[a]);
out->writeUint16BE(_roomTable[i].itemsYPos[a]);
out->writeByte(_roomTable[i].needInit[a]);
}
}
// room table terminator
out->writeUint16BE(0xFFFF);
out->writeSint16BE(_lastMusicCommand);
out->writeByte(_curSfxFile);
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;
}
} // End of namespace Kyra