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scummvm/engines/mohawk/myst_saveload.cpp
Matthew Hoops 43aa47dd31 MOHAWK: Fix loading with non-Selenitic red/blue pages in hand 
svn-id: r54865
2010-12-11 16:55:25 +00:00

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/* 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.
*
* $URL$
* $Id$
*
*/
#include "mohawk/cursors.h"
#include "mohawk/myst.h"
#include "mohawk/myst_saveload.h"
#include "common/serializer.h"
#include "common/util.h"
namespace Mohawk {
MystSaveLoad::MystSaveLoad(MohawkEngine_Myst *vm, Common::SaveFileManager *saveFileMan) : _vm(vm), _saveFileMan(saveFileMan) {
_v = new MystVariables();
// Most of the variables are zero at game start.
_v->globals.u0 = 2;
// Current Age / Stack - Start in Myst
_v->globals.currentAge = 7;
_v->globals.u1 = 1;
// Library Bookcase Door - Default to Up
_v->myst.libraryBookcaseDoor = 1;
// Dock Imager Numeric Selection - Default to 67
_v->myst.imagerSelection = 67;
// Dock Imager Active - Default to Active
_v->myst.imagerActive = 1;
// Stellar Observatory Lights - Default to On
_v->myst.observatoryLights = 1;
// Lighthouse Trapdoor State - Default to Locked
_v->stoneship.trapdoorState = 2;
// Lighthouse Chest Water State - Default to Full
_v->stoneship.chestWaterState = 1;
}
MystSaveLoad::~MystSaveLoad() {
delete _v;
}
Common::StringArray MystSaveLoad::generateSaveGameList() {
return _saveFileMan->listSavefiles("*.mys");
}
bool MystSaveLoad::loadGame(const Common::String &filename) {
Common::InSaveFile *loadFile = _saveFileMan->openForLoading(filename);
if (!loadFile)
return false;
debugC(kDebugSaveLoad, "Loading game from '%s'", filename.c_str());
// First, let's make sure we're using a saved game file from this version of Myst
// By checking length of file...
int32 size = loadFile->size();
if (size != 664 && size != 601) {
warning("Incompatible saved game version");
delete loadFile;
return false;
}
Common::Serializer s(loadFile, 0);
syncGameState(s, size == 664);
delete loadFile;
// Switch us back to the intro stack
_vm->changeToStack(kIntroStack);
// Set our default cursor
if (_v->globals.heldPage == 0 || _v->globals.heldPage > 13)
_vm->setMainCursor(kDefaultMystCursor);
else if (_v->globals.heldPage < 7)
_vm->setMainCursor(kBluePageCursor);
else if (_v->globals.heldPage < 13)
_vm->setMainCursor(kRedPageCursor);
else // if (_v->globals.heldPage == 13)
_vm->setMainCursor(kWhitePageCursor);
// Set us to the linking book
_vm->changeToCard(5, true);
return true;
}
bool MystSaveLoad::saveGame(const Common::String &fname) {
Common::String filename(fname);
// Make sure we have the right extension
if (!filename.hasSuffix(".mys") && !filename.hasSuffix(".MYS"))
filename += ".mys";
Common::OutSaveFile *saveFile = _saveFileMan->openForSaving(filename);
if (!saveFile)
return false;
debugC(kDebugSaveLoad, "Saving game to '%s'", filename.c_str());
Common::Serializer s(0, saveFile);
syncGameState(s, _vm->getFeatures() & GF_ME);
saveFile->finalize();
delete saveFile;
return true;
}
void MystSaveLoad::syncGameState(Common::Serializer &s, bool isME) {
// Globals first
s.syncAsUint16LE(_v->globals.u0);
s.syncAsUint16LE(_v->globals.currentAge);
s.syncAsUint16LE(_v->globals.heldPage);
s.syncAsUint16LE(_v->globals.u1);
s.syncAsUint16LE(_v->globals.transitions);
s.syncAsUint16LE(_v->globals.ending);
s.syncAsUint16LE(_v->globals.redPagesInBook);
s.syncAsUint16LE(_v->globals.bluePagesInBook);
// Onto Myst
if (isME) {
s.syncAsUint32LE(_v->myst.cabinMarkerSwitch);
s.syncAsUint32LE(_v->myst.clockTowerMarkerSwitch);
s.syncAsUint32LE(_v->myst.dockMarkerSwitch);
s.syncAsUint32LE(_v->myst.poolMarkerSwitch);
s.syncAsUint32LE(_v->myst.gearsMarkerSwitch);
s.syncAsUint32LE(_v->myst.generatorMarkerSwitch);
s.syncAsUint32LE(_v->myst.observatoryMarkerSwitch);
s.syncAsUint32LE(_v->myst.rocketshipMarkerSwitch);
} else {
s.syncAsByte(_v->myst.cabinMarkerSwitch);
s.syncAsByte(_v->myst.clockTowerMarkerSwitch);
s.syncAsByte(_v->myst.dockMarkerSwitch);
s.syncAsByte(_v->myst.poolMarkerSwitch);
s.syncAsByte(_v->myst.gearsMarkerSwitch);
s.syncAsByte(_v->myst.generatorMarkerSwitch);
s.syncAsByte(_v->myst.observatoryMarkerSwitch);
s.syncAsByte(_v->myst.rocketshipMarkerSwitch);
}
s.syncAsUint16LE(_v->myst.greenBookOpenedBefore);
s.syncAsUint16LE(_v->myst.shipState);
s.syncAsUint16LE(_v->myst.cabinValvePosition);
s.syncAsUint16LE(_v->myst.clockTowerHourPosition);
s.syncAsUint16LE(_v->myst.clockTowerMinutePosition);
s.syncAsUint16LE(_v->myst.gearsOpen);
s.syncAsUint16LE(_v->myst.clockTowerBridgeOpen);
s.syncAsUint16LE(_v->myst.generatorBreakers);
s.syncAsUint16LE(_v->myst.generatorButtons);
s.syncAsUint16LE(_v->myst.generatorVoltage);
s.syncAsUint16LE(_v->myst.libraryBookcaseDoor);
s.syncAsUint16LE(_v->myst.imagerSelection);
s.syncAsUint16LE(_v->myst.imagerActive);
s.syncAsUint16LE(_v->myst.u0);
s.syncAsUint16LE(_v->myst.u1);
s.syncAsUint16LE(_v->myst.u2);
s.syncAsUint16LE(_v->myst.u3);
s.syncAsUint16LE(_v->myst.towerRotationAngle);
s.syncAsUint16LE(_v->myst.courtyardImageBoxes);
s.syncAsUint16LE(_v->myst.cabinPilotLightLit);
s.syncAsUint16LE(_v->myst.observatoryDaySetting);
s.syncAsUint16LE(_v->myst.observatoryLights);
s.syncAsUint16LE(_v->myst.observatoryMonthSetting);
s.syncAsUint16LE(_v->myst.observatoryTimeSetting);
s.syncAsUint16LE(_v->myst.observatoryYearSetting);
s.syncAsUint16LE(_v->myst.observatoryDayTarget);
s.syncAsUint16LE(_v->myst.observatoryMonthTarget);
s.syncAsUint16LE(_v->myst.observatoryTimeTarget);
s.syncAsUint16LE(_v->myst.observatoryYearTarget);
s.syncAsUint16LE(_v->myst.cabinSafeCombination);
s.syncAsUint16LE(_v->myst.treePosition);
s.syncAsUint16LE(_v->myst.u4);
s.syncAsUint16LE(_v->myst.u5);
for (int i = 0; i < 5; i++)
s.syncAsUint16LE(_v->myst.rocketSliderPosition[i]);
s.syncAsUint16LE(_v->myst.u6);
s.syncAsUint16LE(_v->myst.u7);
s.syncAsUint16LE(_v->myst.u8);
s.syncAsUint16LE(_v->myst.u9);
// Channelwood
if (isME) {
s.syncAsUint32LE(_v->channelwood.waterPumpBridgeState);
s.syncAsUint32LE(_v->channelwood.elevatorState);
s.syncAsUint32LE(_v->channelwood.stairsLowerDoorState);
s.syncAsUint32LE(_v->channelwood.pipeState);
} else {
s.syncAsByte(_v->channelwood.waterPumpBridgeState);
s.syncAsByte(_v->channelwood.elevatorState);
s.syncAsByte(_v->channelwood.stairsLowerDoorState);
s.syncAsByte(_v->channelwood.pipeState);
}
s.syncAsUint16LE(_v->channelwood.waterValveStates);
s.syncAsUint16LE(_v->channelwood.holoprojectorSelection);
s.syncAsUint16LE(_v->channelwood.stairsUpperDoorState);
if (isME)
s.skip(4);
else
s.skip(1);
// Mechanical
s.syncAsUint16LE(_v->mechanical.achenarPanelState);
s.syncAsUint16LE(_v->mechanical.sirrusPanelState);
s.syncAsUint16LE(_v->mechanical.staircaseState);
s.syncAsUint16LE(_v->mechanical.elevatorRotation);
for (int i = 0; i < 4; i++)
s.syncAsUint16LE(_v->mechanical.codeShape[i]);
// Selenitic
if (isME) {
s.syncAsUint32LE(_v->selenitic.emitterEnabledWater);
s.syncAsUint32LE(_v->selenitic.emitterEnabledVolcano);
s.syncAsUint32LE(_v->selenitic.emitterEnabledClock);
s.syncAsUint32LE(_v->selenitic.emitterEnabledCrystal);
s.syncAsUint32LE(_v->selenitic.emitterEnabledWind);
s.syncAsUint32LE(_v->selenitic.soundReceiverOpened);
s.syncAsUint32LE(_v->selenitic.tunnelLightsSwitchedOn);
} else {
s.syncAsByte(_v->selenitic.emitterEnabledWater);
s.syncAsByte(_v->selenitic.emitterEnabledVolcano);
s.syncAsByte(_v->selenitic.emitterEnabledClock);
s.syncAsByte(_v->selenitic.emitterEnabledCrystal);
s.syncAsByte(_v->selenitic.emitterEnabledWind);
s.syncAsByte(_v->selenitic.soundReceiverOpened);
s.syncAsByte(_v->selenitic.tunnelLightsSwitchedOn);
}
s.syncAsUint16LE(_v->selenitic.soundReceiverCurrentSource);
for (byte i = 0; i < 5; i++)
s.syncAsUint16LE(_v->selenitic.soundReceiverPositions[i]);
for (byte i = 0; i < 5; i++)
s.syncAsUint16LE(_v->selenitic.soundLockSliderPositions[i]);
// Stoneship
if (isME) {
s.syncAsUint16LE(_v->stoneship.lightState);
s.syncAsUint16LE(_v->stoneship.u0);
s.syncAsUint16LE(_v->stoneship.u1);
} else {
s.syncAsByte(_v->stoneship.lightState);
s.syncAsByte(_v->stoneship.u0);
s.syncAsByte(_v->stoneship.u1);
}
s.syncAsUint16LE(_v->stoneship.pumpState);
s.syncAsUint16LE(_v->stoneship.trapdoorState);
s.syncAsUint16LE(_v->stoneship.chestWaterState);
s.syncAsUint16LE(_v->stoneship.chestValveState);
s.syncAsUint16LE(_v->stoneship.chestOpenState);
s.syncAsUint16LE(_v->stoneship.trapdoorKeyState);
for (int i = 0; i < 5; i++)
s.syncAsUint16LE(_v->stoneship.generatorPowerLevel[i]);
// D'ni
s.syncAsUint16LE(_v->dni.outcomeState);
// Reading unknown region...
// When Zero Value regions are included, these are 5 blocks of
// 41 uint16 values.
for (byte i = 0; i < 31; i++)
s.syncAsUint16LE(_v->unknownMyst[i]);
s.skip(20);
for (byte i = 0; i < 37; i++)
s.syncAsUint16LE(_v->unknownChannelwood[i]);
s.skip(8);
for (byte i = 0; i < 18; i++)
s.syncAsUint16LE(_v->unknownMech[i]);
s.skip(46);
for (byte i = 0; i < 30; i++)
s.syncAsUint16LE(_v->unknownSelenitic[i]);
s.skip(22);
for (byte i = 0; i < 22; i++)
s.syncAsUint16LE(_v->unknownStoneship[i]);
s.skip(38);
if ((isME && s.bytesSynced() != 664) || (!isME && s.bytesSynced() != 601))
warning("Unexpected File Position 0x%03X At End of Save/Load", s.bytesSynced());
}
void MystSaveLoad::deleteSave(const Common::String &saveName) {
debugC(kDebugSaveLoad, "Deleting save file \'%s\'", saveName.c_str());
_saveFileMan->removeSavefile(saveName.c_str());
}
} // End of namespace Mohawk
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