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engines/titanic/titanic.cpp

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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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "titanic/titanic.h"
+#include "titanic/carry/hose.h"
+#include "titanic/core/saveable_object.h"
+#include "titanic/debugger.h"
+#include "titanic/events.h"
+#include "titanic/game_manager.h"
+#include "titanic/game/get_lift_eye2.h"
+#include "titanic/game/television.h"
+#include "titanic/game/parrot/parrot_lobby_object.h"
+#include "titanic/game/sgt/sgt_navigation.h"
+#include "titanic/game/sgt/sgt_state_room.h"
+#include "titanic/main_game_window.h"
+#include "titanic/moves/enter_exit_first_class_state.h"
+#include "titanic/moves/enter_exit_sec_class_mini_lift.h"
+#include "titanic/moves/exit_pellerator.h"
+#include "titanic/pet_control/pet_control.h"
+#include "titanic/sound/music_room.h"
+#include "titanic/sound/music_room_instrument.h"
+#include "titanic/support/files_manager.h"
+#include "titanic/support/simple_file.h"
+#include "titanic/true_talk/tt_npc_script.h"
+#include "common/archive.h"
+#include "common/config-manager.h"
+#include "common/debug-channels.h"
+#include "common/events.h"
+#include "common/scummsys.h"
+#include "engines/util.h"
+#include "graphics/scaler.h"
+#include "graphics/screen.h"
+#include "gui/saveload.h"
+
+namespace Titanic {
+
+TitanicEngine *g_vm;
+Common::Language g_language;
+
+TitanicEngine::TitanicEngine(OSystem *syst, const TitanicGameDescription *gameDesc)
+		: _gameDescription(gameDesc), Engine(syst), _randomSource("Titanic") {
+	g_vm = this;
+	g_language = getLanguage();
+	_events = nullptr;
+	_filesManager = nullptr;
+	_window = nullptr;
+	_screen = nullptr;
+	_screenManager = nullptr;
+	_scriptHandler = nullptr;
+	_script = nullptr;
+	CMusicRoom::_musicHandler = nullptr;
+	_loadSaveSlot = -1;
+}
+
+TitanicEngine::~TitanicEngine() {
+}
+
+void TitanicEngine::initializePath(const Common::FSNode &gamePath) {
+	Engine::initializePath(gamePath);
+	SearchMan.addSubDirectoryMatching(gamePath, "assets");
+}
+
+bool TitanicEngine::initialize() {
+	_filesManager = new CFilesManager(this);
+	if (!_filesManager->loadResourceIndex()) {
+		delete _filesManager;
+		return false;
+	}
+
+	setDebugger(new Debugger(this));
+
+	CSaveableObject::initClassList();
+	CEnterExitFirstClassState::init();
+	CGameObject::init();
+	CGetLiftEye2::init();
+	CHose::init();
+	CMovie::init();
+	CMusicRoomInstrument::init();
+	CParrotLobbyObject::init();
+	CSGTNavigation::init();
+	CSGTStateRoom::init();
+	CExitPellerator::init();
+	CEnterExitSecClassMiniLift::init();
+	CTelevision::init();
+	CVideoSurface::setup();
+	TTnpcScript::init();
+
+	_events = new Events(this);
+	_screen = new Graphics::Screen(0, 0);
+	_screenManager = new OSScreenManager(this);
+	_window = new CMainGameWindow(this);
+	_strings.load();
+
+	setItemNames();
+	setRoomNames();
+
+	syncSoundSettings();
+
+	return _window->applicationStarting();
+}
+
+void TitanicEngine::deinitialize() {
+	delete _events;
+	delete _window;
+	delete _screenManager;
+	delete _filesManager;
+	delete _screen;
+
+	CEnterExitFirstClassState::deinit();
+	CGetLiftEye2::deinit();
+	CHose::deinit();
+	CSGTNavigation::deinit();
+	CSGTStateRoom::deinit();
+	CExitPellerator::deinit();
+	CEnterExitSecClassMiniLift::deinit();
+	CGameObject::deinit();
+	CTelevision::deinit();
+	TTnpcScript::deinit();
+	CMovie::deinit();
+	CSaveableObject::freeClassList();
+}
+
+Common::Error TitanicEngine::run() {
+	if (initialize()) {
+		// Main event loop
+		while (!shouldQuit()) {
+			_events->pollEventsAndWait();
+		}
+
+		deinitialize();
+	}
+
+	return Common::kNoError;
+}
+
+void TitanicEngine::setItemNames() {
+	Common::SeekableReadStream *r;
+	r = g_vm->_filesManager->getResource("TEXT/ITEM_NAMES");
+	while (r->pos() < r->size())
+		_itemNames.push_back(readStringFromStream(r));
+	delete r;
+
+	r = g_vm->_filesManager->getResource("TEXT/ITEM_DESCRIPTIONS");
+	while (r->pos() < r->size())
+		_itemDescriptions.push_back(readStringFromStream(r));
+	delete r;
+
+	r = g_vm->_filesManager->getResource("TEXT/ITEM_IDS");
+	while (r->pos() < r->size())
+		_itemIds.push_back(readStringFromStream(r));
+	delete r;
+}
+
+void TitanicEngine::setRoomNames() {
+	Common::SeekableReadStream *r = g_vm->_filesManager->getResource("TEXT/ROOM_NAMES");
+	while (r->pos() < r->size())
+		_roomNames.push_back(readStringFromStream(r));
+	delete r;
+}
+
+bool TitanicEngine::canLoadGameStateCurrently(Common::U32String *msg) {
+	CGameManager *gameManager = _window->_gameManager;
+	CScreenManager *screenMan = CScreenManager::_screenManagerPtr;
+
+	if (!gameManager)
+		// Allow loading from copyright screen and continue dialogs
+		return true;
+
+	if (!_window->_inputAllowed)
+		return false;
+	if (screenMan && screenMan->_inputHandler->isLocked())
+		return false;
+	if (!gameManager->isntTransitioning())
+		return false;
+
+	CProjectItem *project = gameManager->_project;
+	if (project) {
+		if (gameManager->_gameState._petActive) {
+			CPetControl *pet = project->getPetControl();
+			if (pet && !pet->isAreaUnlocked())
+				return false;
+		}
+	} else {
+		return false;
+	}
+
+	return true;
+}
+
+bool TitanicEngine::canSaveGameStateCurrently(Common::U32String *msg) {
+	CGameManager *gameManager = _window->_gameManager;
+	if (!gameManager)
+		return false;
+
+	return gameManager->_gameState._petActive &&
+		canLoadGameStateCurrently();
+}
+
+Common::Error TitanicEngine::loadGameState(int slot) {
+	CGameManager *gameManager = _window->_gameManager;
+	if (!gameManager)
+		_loadSaveSlot = slot;
+	else
+		_window->_project->loadGame(slot);
+	return Common::kNoError;
+}
+
+Common::Error TitanicEngine::saveGameState(int slot, const Common::String &desc, bool isAutosave) {
+	_window->_project->saveGame(slot, desc);
+	return Common::kNoError;
+}
+
+CString TitanicEngine::getSavegameName(int slot) {
+	// Try and open up the savegame for access
+	Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(
+		getSaveStateName(slot));
+
+	if (in) {
+		// Read in the savegame header data
+		CompressedFile file;
+		file.open(in);
+
+		TitanicSavegameHeader header;
+		bool isValid = CProjectItem::readSavegameHeader(&file, header);
+		file.close();
+
+		if (isValid)
+			// Set the name text
+			return header._saveName;
+	}
+
+	return CString();
+}
+
+void TitanicEngine::syncSoundSettings() {
+	Engine::syncSoundSettings();
+
+	if (_window->_project) {
+		CPetControl *pet = _window->_project->getPetControl();
+		if (pet) {
+			pet->syncSoundSettings();
+		}
+	}
+}
+
+} // End of namespace Titanic