scummvm/engines/lure/metaengine.cpp

128 lines
4.2 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/savefile.h"
#include "common/system.h"
#include "engines/advancedDetector.h"
#include "lure/lure.h"
#include "lure/detection.h"
namespace Lure {
uint32 LureEngine::getFeatures() const { return _gameDescription->features; }
Common::Language LureEngine::getLanguage() const { return _gameDescription->desc.language; }
Common::Platform LureEngine::getPlatform() const { return _gameDescription->desc.platform; }
LureLanguage LureEngine::getLureLanguage() const {
switch (_gameDescription->desc.language) {
case Common::IT_ITA: return LANG_IT_ITA;
case Common::FR_FRA: return LANG_FR_FRA;
case Common::DE_DEU: return LANG_DE_DEU;
case Common::ES_ESP: return LANG_ES_ESP;
case Common::RU_RUS: return LANG_RU_RUS;
case Common::EN_ANY: return LANG_EN_ANY;
case Common::UNK_LANG: return LANG_UNKNOWN;
default:
error("Unknown game language");
}
}
} // End of namespace Lure
class LureMetaEngine : public AdvancedMetaEngine {
public:
const char *getName() const override {
return "lure";
}
bool hasFeature(MetaEngineFeature f) const override;
Common::Error createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const override;
SaveStateList listSaves(const char *target) const override;
int getMaximumSaveSlot() const override;
void removeSaveState(const char *target, int slot) const override;
};
bool LureMetaEngine::hasFeature(MetaEngineFeature f) const {
return
(f == kSupportsListSaves) ||
(f == kSupportsLoadingDuringStartup) ||
(f == kSupportsDeleteSave);
}
bool Lure::LureEngine::hasFeature(EngineFeature f) const {
return
(f == kSupportsReturnToLauncher) ||
(f == kSupportsLoadingDuringRuntime) ||
(f == kSupportsSavingDuringRuntime);
}
Common::Error LureMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
*engine = new Lure::LureEngine(syst, (const Lure::LureGameDescription *)desc);
return Common::kNoError;
}
SaveStateList LureMetaEngine::listSaves(const char *target) const {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Common::StringArray filenames;
Common::String saveDesc;
Common::String pattern = "lure.###";
filenames = saveFileMan->listSavefiles(pattern);
SaveStateList saveList;
for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
// Obtain the last 3 digits of the filename, since they correspond to the save slot
int slotNum = atoi(file->c_str() + file->size() - 3);
if (slotNum >= 0 && slotNum <= 999) {
Common::InSaveFile *in = saveFileMan->openForLoading(*file);
if (in) {
saveDesc = Lure::getSaveName(in);
saveList.push_back(SaveStateDescriptor(slotNum, saveDesc));
delete in;
}
}
}
// Sort saves based on slot number.
Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator());
return saveList;
}
int LureMetaEngine::getMaximumSaveSlot() const { return 999; }
void LureMetaEngine::removeSaveState(const char *target, int slot) const {
Common::String filename = target;
filename += Common::String::format(".%03d", slot);
g_system->getSavefileManager()->removeSavefile(filename);
}
#if PLUGIN_ENABLED_DYNAMIC(LURE)
REGISTER_PLUGIN_DYNAMIC(LURE, PLUGIN_TYPE_ENGINE, LureMetaEngine);
#else
REGISTER_PLUGIN_STATIC(LURE, PLUGIN_TYPE_ENGINE, LureMetaEngine);
#endif