scummvm/engines/tsage/tsage.cpp

140 lines
3.7 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/debug-channels.h"
#include "engines/util.h"
#include "tsage/tsage.h"
#include "tsage/core.h"
#include "tsage/dialogs.h"
#include "tsage/events.h"
#include "tsage/resources.h"
#include "tsage/globals.h"
namespace tSage {
TSageEngine *_vm = NULL;
TSageEngine::TSageEngine(OSystem *system, const tSageGameDescription *gameDesc) : Engine(system),
_gameDescription(gameDesc) {
_vm = this;
DebugMan.addDebugChannel(kRingDebugScripts, "scripts", "Scripts debugging");
_debugger = new Debugger();
}
Common::Error TSageEngine::init() {
initGraphics(SCREEN_WIDTH, SCREEN_HEIGHT, false);
return Common::kNoError;
}
TSageEngine::~TSageEngine() {
// Remove all of our debug levels here
DebugMan.clearAllDebugChannels();
delete _debugger;
}
bool TSageEngine::hasFeature(EngineFeature f) const {
return
(f == kSupportsRTL) ||
(f == kSupportsLoadingDuringRuntime) ||
(f == kSupportsSavingDuringRuntime);
}
void TSageEngine::initialize() {
_saver = new Saver();
// Set up the resource manager
_resourceManager = new ResourceManager();
if (_vm->getFeatures() & GF_DEMO) {
// Add the single library file associated with the demo
_resourceManager->addLib(getPrimaryFilename());
} else if (_vm->getGameID() == GType_Ringworld) {
_resourceManager->addLib("RING.RLB");
_resourceManager->addLib("TSAGE.RLB");
} else if (_vm->getGameID() == GType_BlueForce) {
_resourceManager->addLib("BLUE.RLB");
if (_vm->getFeatures() & GF_FLOPPY) {
_resourceManager->addLib("FILES.RLB");
_resourceManager->addLib("TSAGE.RLB");
}
}
_globals = new Globals();
_globals->gfxManager().setDefaults();
}
void TSageEngine::deinitialize() {
delete _globals;
delete _resourceManager;
delete _saver;
}
Common::Error TSageEngine::run() {
// Basic initialisation
initialize();
_globals->_sceneHandler.registerHandler();
_globals->_game->execute();
deinitialize();
return Common::kNoError;
}
/**
* Returns true if it is currently okay to restore a game
*/
bool TSageEngine::canLoadGameStateCurrently() {
return (_globals->getFlag(50) == 0);
}
/**
* Returns true if it is currently okay to save the game
*/
bool TSageEngine::canSaveGameStateCurrently() {
return (_globals->getFlag(50) == 0);
}
/**
* Load the savegame at the specified slot index
*/
Common::Error TSageEngine::loadGameState(int slot) {
return _saver->restore(slot);
}
/**
* Save the game to the given slot index, and with the given name
*/
Common::Error TSageEngine::saveGameState(int slot, const Common::String &desc) {
return _saver->save(slot, desc);
}
/**
* Support method that generates a savegame name
* @param slot Slot number
*/
Common::String TSageEngine::generateSaveName(int slot) {
return Common::String::format("%s.%03d", _targetName.c_str(), slot);
}
} // End of namespace tSage