Common::Error StarkEngine::loadGameState(int slot) {
// Open the save file
Common::String filename = formatSaveName(_targetName.c_str(), slot);
Common::InSaveFile *save = _saveFileMan->openForLoading(filename);
if (!save) {
return _saveFileMan->getError();
}
StateReadStream stream(save);
// Read the header
SaveMetadata metadata;
Common::ErrorCode metadataErrorCode = metadata.read(&stream, filename);
if (metadataErrorCode != Common::kNoError) {
return metadataErrorCode;
}
// Reset the UI
_userInterface->skipFMV();
_userInterface->clearLocationDependentState();
_userInterface->setInteractive(true);
_userInterface->changeScreen(Screen::kScreenGame);
_userInterface->restoreScreenHistory();
// Clear the previous world resources
_resourceProvider->shutdown();
if (metadata.version >= 9) {
metadata.skipGameScreenThumbnail(&stream);
}
// Read the resource trees state
_stateProvider->readStateFromStream(&stream, metadata.version);
// Read the diary state
_diary->readStateFromStream(&stream, metadata.version);
if (stream.eos()) {
warning("Unexpected end of file reached when reading '%s'", filename.c_str());
return Common::kReadingFailed;
}
// Initialize the world resources with the loaded state
_resourceProvider->initGlobal();
_resourceProvider->setShouldRestoreCurrentState();
_resourceProvider->requestLocationChange(metadata.levelIndex, metadata.locationIndex);
if (metadata.version >= 9) {
setTotalPlayTime(metadata.totalPlayTime);
}
return Common::kNoError;
}
Common::Error DraciEngine::run() {
init();
setTotalPlayTime(0);
_game->init();
// Load game from specified slot, if any
if (ConfMan.hasKey("save_slot")) {
loadGameState(ConfMan.getInt("save_slot"));
}
_game->start();
return Common::kNoError;
}
Common::Error AgiEngine::go() {
CursorMan.showMouse(true);
setTotalPlayTime(0);
if (_game.state < STATE_LOADED) {
do {
mainCycle();
} while (_game.state < STATE_RUNNING);
}
runGame();
return Common::kNoError;
}
void SciEngine::runGame() {
setTotalPlayTime(0);
initStackBaseWithSelector(SELECTOR(play)); // Call the play selector
// Attach the debug console on game startup, if requested
if (DebugMan.isDebugChannelEnabled(kDebugLevelOnStartup))
_console->attach();
_gamestate->_syncedAudioOptions = false;
do {
_gamestate->_executionStackPosChanged = false;
run_vm(_gamestate);
exitGame();
_gamestate->_syncedAudioOptions = true;
if (_gamestate->abortScriptProcessing == kAbortRestartGame) {
_gamestate->_segMan->resetSegMan();
initGame();
initStackBaseWithSelector(SELECTOR(play));
patchGameSaveRestore();
setLauncherLanguage();
_gamestate->gameIsRestarting = GAMEISRESTARTING_RESTART;
_gamestate->_throttleLastTime = 0;
if (_gfxMenu)
_gfxMenu->reset();
_gamestate->abortScriptProcessing = kAbortNone;
_gamestate->_syncedAudioOptions = false;
} else if (_gamestate->abortScriptProcessing == kAbortLoadGame) {
_gamestate->abortScriptProcessing = kAbortNone;
_gamestate->_executionStack.clear();
initStackBaseWithSelector(SELECTOR(replay));
patchGameSaveRestore();
setLauncherLanguage();
_gamestate->shrinkStackToBase();
_gamestate->abortScriptProcessing = kAbortNone;
syncSoundSettings();
syncIngameAudioOptions();
// Games do not set their audio settings when loading
} else {
break; // exit loop
}
} while (true);
}
Common::Error SwordEngine::go() {
_control->checkForOldSaveGames();
setTotalPlayTime(0);
uint16 startPos = ConfMan.getInt("boot_param");
_control->readSavegameDescriptions();
if (startPos) {
_logic->startPositions(startPos);
} else {
int saveSlot = ConfMan.getInt("save_slot");
// Savegames are numbered starting from 1 in the dialog window,
// but their filenames are numbered starting from 0.
if (saveSlot >= 0 && _control->savegamesExist() && _control->restoreGameFromFile(saveSlot)) {
_control->doRestore();
} else if (_control->savegamesExist()) {
_systemVars.controlPanelMode = CP_NEWGAME;
if (_control->runPanel() == CONTROL_GAME_RESTORED)
_control->doRestore();
else if (!shouldQuit())
_logic->startPositions(0);
} else {
// no savegames, start new game.
_logic->startPositions(0);
}
}
_systemVars.controlPanelMode = CP_NORMAL;
while (!shouldQuit()) {
uint8 action = mainLoop();
if (!shouldQuit()) {
// the mainloop was left, we have to reinitialize.
reinitialize();
if (action == CONTROL_GAME_RESTORED)
_control->doRestore();
else if (action == CONTROL_RESTART_GAME)
_logic->startPositions(1);
_systemVars.forceRestart = false;
_systemVars.controlPanelMode = CP_NORMAL;
}
}
return Common::kNoError;
}
Common::Error SagaEngine::run() {
setTotalPlayTime(0);
// Assign default values to the config manager, in case settings are missing
ConfMan.registerDefault("talkspeed", "255");
ConfMan.registerDefault("subtitles", "true");
_musicVolume = ConfMan.getInt("music_volume");
_subtitlesEnabled = ConfMan.getBool("subtitles");
_readingSpeed = getTalkspeed();
_copyProtection = ConfMan.getBool("copy_protection");
_musicWasPlaying = false;
_isIHNMDemo = Common::File::exists("music.res");
_hasITESceneSubstitutes = Common::File::exists("boarhall.bbm");
if (_readingSpeed > 3)
_readingSpeed = 0;
switch (getGameId()) {
case GID_ITE:
_resource = new Resource_RSC(this);
break;
#ifdef ENABLE_IHNM
case GID_IHNM:
_resource = new Resource_RES(this);
break;
#endif
#ifdef ENABLE_SAGA2
case GID_DINO:
case GID_FTA2:
_resource = new Resource_HRS(this);
break;
#endif
}
// Detect game and open resource files
if (!initGame()) {
GUIErrorMessage("Error loading game resources.");
return Common::kUnknownError;
}
// Initialize engine modules
// TODO: implement differences for SAGA2
_sndRes = new SndRes(this);
_events = new Events(this);
if (!isSaga2()) {
_font = new Font(this);
_sprite = new Sprite(this);
_script = new SAGA1Script(this);
} else {
_script = new SAGA2Script(this);
}
_anim = new Anim(this);
_interface = new Interface(this); // requires script module
_scene = new Scene(this);
_actor = new Actor(this);
_palanim = new PalAnim(this);
if (getGameId() == GID_ITE) {
_isoMap = new IsoMap(this);
_puzzle = new Puzzle(this);
}
// System initialization
_previousTicks = _system->getMillis();
// Initialize graphics
_gfx = new Gfx(this, _system, getDisplayInfo().width, getDisplayInfo().height);
// Graphics driver should be initialized before console
_console = new Console(this);
// Graphics should be initialized before music
_music = new Music(this, _mixer);
_render = new Render(this, _system);
if (!_render->initialized()) {
return Common::kUnknownError;
}
// Initialize system specific sound
_sound = new Sound(this, _mixer);
if (!isSaga2()) {
_interface->converseClear();
_script->setVerb(_script->getVerbType(kVerbWalkTo));
}
_music->setVolume(_musicVolume, 1);
if (!isSaga2()) {
_gfx->initPalette();
}
if (_voiceFilesExist) {
if (getGameId() == GID_IHNM) {
if (!ConfMan.hasKey("voices")) {
_voicesEnabled = true;
ConfMan.setBool("voices", true);
} else {
_voicesEnabled = ConfMan.getBool("voices");
}
} else {
_voicesEnabled = true;
}
}
syncSoundSettings();
int msec = 0;
_previousTicks = _system->getMillis();
if (ConfMan.hasKey("start_scene")) {
_scene->changeScene(ConfMan.getInt("start_scene"), 0, kTransitionNoFade);
} else if (ConfMan.hasKey("boot_param")) {
if (getGameId() == GID_ITE)
_interface->addToInventory(_actor->objIndexToId(0)); // Magic hat
_scene->changeScene(ConfMan.getInt("boot_param"), 0, kTransitionNoFade);
} else if (ConfMan.hasKey("save_slot")) {
// Init the current chapter to 8 (character selection) for IHNM
if (getGameId() == GID_IHNM)
_scene->changeScene(-2, 0, kTransitionFade, 8);
// First scene sets up palette
_scene->changeScene(getStartSceneNumber(), 0, kTransitionNoFade);
_events->handleEvents(0); // Process immediate events
if (getGameId() == GID_ITE)
_interface->setMode(kPanelMain);
else
_interface->setMode(kPanelChapterSelection);
char *fileName = calcSaveFileName(ConfMan.getInt("save_slot"));
load(fileName);
syncSoundSettings();
} else {
_framesEsc = 0;
_scene->startScene();
}
uint32 currentTicks;
while (!shouldQuit()) {
_console->onFrame();
if (_render->getFlags() & RF_RENDERPAUSE) {
// Freeze time while paused
_previousTicks = _system->getMillis();
} else {
currentTicks = _system->getMillis();
// Timer has rolled over after 49 days
if (currentTicks < _previousTicks)
msec = 0;
else {
msec = currentTicks - _previousTicks;
_previousTicks = currentTicks;
}
if (msec > MAX_TIME_DELTA) {
msec = MAX_TIME_DELTA;
}
// Since Puzzle and forced text are actorless, we do them here
if ((getGameId() == GID_ITE && _puzzle->isActive()) || _actor->isForcedTextShown()) {
_actor->handleSpeech(msec);
} else if (!_scene->isInIntro()) {
if (_interface->getMode() == kPanelMain ||
_interface->getMode() == kPanelConverse ||
_interface->getMode() == kPanelCutaway ||
_interface->getMode() == kPanelNull ||
_interface->getMode() == kPanelChapterSelection)
_actor->direct(msec);
}
_events->handleEvents(msec);
_script->executeThreads(msec);
}
// Per frame processing
_render->drawScene();
_system->delayMillis(10);
}
return Common::kNoError;
}
Common::Error ToltecsEngine::run() {
initGraphics(640, 400, true);
_isSaveAllowed = true;
_counter01 = 0;
_counter02 = 0;
_movieSceneFlag = false;
_flag01 = 0;
_saveLoadRequested = 0;
_cameraX = 0;
_cameraY = 0;
_newCameraX = 0;
_newCameraY = 0;
_cameraHeight = 0;
_guiHeight = 26;
_sceneWidth = 0;
_sceneHeight = 0;
_doSpeech = true;
_doText = true;
_walkSpeedY = 5;
_walkSpeedX = 1;
_mouseX = 0;
_mouseY = 0;
_mouseDblClickTicks = 60;
_mouseWaitForRelease = false;
_mouseButton = 0;
_mouseDisabled = 0;
_leftButtonDown = false;
_rightButtonDown = false;
_arc = new ArchiveReader();
_arc->openArchive("WESTERN");
_res = new ResourceCache(this);
_screen = new Screen(this);
_script = new ScriptInterpreter(this);
_anim = new AnimationPlayer(this);
_palette = new Palette(this);
_segmap = new SegmentMap(this);
_moviePlayer = new MoviePlayer(this);
_music = new Music(_arc);
_menuSystem = new MenuSystem(this);
_sound = new Sound(this);
_console = new Console(this);
_cfgText = ConfMan.getBool("subtitles");
_cfgVoices = !ConfMan.getBool("speech_mute");
bool mute = false;
if (ConfMan.hasKey("mute"))
mute = ConfMan.getBool("mute");
_mixer->setVolumeForSoundType(Audio::Mixer::kSpeechSoundType, mute ? 0 : ConfMan.getInt("speech_volume"));
_mixer->setVolumeForSoundType(Audio::Mixer::kMusicSoundType, mute ? 0 : ConfMan.getInt("music_volume"));
_mixer->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, mute ? 0 : ConfMan.getInt("sfx_volume"));
syncSoundSettings();
CursorMan.showMouse(true);
setupSysStrings();
#if 0
// Menu test
_screen->registerFont(0, 0x0D);
_screen->registerFont(1, 0x0E);
_screen->loadMouseCursor(12);
_palette->loadAddPalette(9, 224);
_palette->setDeltaPalette(_palette->getMainPalette(), 7, 0, 31, 224);
_screen->finishTalkTextItems();
_menuSystem->run();
/*
while (1) {
//updateInput();
_menuSystem->update();
updateScreen();
}
*/
return Common::kNoError;
#endif
// Start main game loop
setTotalPlayTime(0);
_script->loadScript(0, 0);
_script->setMainScript(0);
if (ConfMan.hasKey("save_slot")) {
int saveSlot = ConfMan.getInt("save_slot");
if (saveSlot >= 0 && saveSlot <= 99) {
_screen->loadMouseCursor(12);
loadGameState(saveSlot);
}
}
_script->runScript();
_music->stopSequence();
_sound->stopAll();
delete _console;
delete _arc;
delete _res;
delete _screen;
delete _script;
delete _anim;
delete _palette;
delete _segmap;
delete _music;
delete _moviePlayer;
delete _menuSystem;
delete _sound;
return Common::kNoError;
}