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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/>.
*
*/
/*
* Based on the Reverse Engineering work of Christophe Fontanel,
* maintainer of the Dungeon Master Encyclopaedia (http://dmweb.free.fr/)
*/
#include "common/config-manager.h"
#include "common/error.h"
#include "common/fs.h"
#include "common/system.h"
#include "engines/advancedDetector.h"
#include "dm/dm.h"
namespace DM {
class DMMetaEngine : public AdvancedMetaEngine<DMADGameDescription> {
public:
const char *getName() const override {
return "dm";
}
Common::Error createInstance(OSystem *syst, Engine **engine, const DMADGameDescription *desc) const override {
*engine = new DM::DMEngine(syst, (const DMADGameDescription*)desc);
return Common::kNoError;
}
bool hasFeature(MetaEngineFeature f) const override {
return
(f == kSupportsListSaves) ||
(f == kSupportsLoadingDuringStartup) ||
(f == kSavesSupportThumbnail) ||
(f == kSavesSupportMetaInfo) ||
(f == kSimpleSavesNames) ||
(f == kSavesSupportCreationDate);
}
int getMaximumSaveSlot() const override { return 99; }
SaveStateList listSaves(const char *target) const override {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
SaveGameHeader header;
Common::String pattern = target;
pattern += ".###";
Common::StringArray filenames;
filenames = saveFileMan->listSavefiles(pattern.c_str());
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->c_str());
if (in) {
if (DM::readSaveGameHeader(in, &header))
saveList.push_back(SaveStateDescriptor(this, slotNum, header._descr.getDescription()));
delete in;
}
}
}
// Sort saves based on slot number.
Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator());
return saveList;
}
SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const override {
Common::String filename = Common::String::format("%s.%03u", target, slot);
Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(filename.c_str());
if (in) {
DM::SaveGameHeader header;
bool successfulRead = DM::readSaveGameHeader(in, &header);
delete in;
if (successfulRead) {
SaveStateDescriptor desc(this, slot, header._descr.getDescription());
return header._descr;
}
}
return SaveStateDescriptor();
}
bool removeSaveState(const char *target, int slot) const override { return false; }
};
} // End of namespace DM
#if PLUGIN_ENABLED_DYNAMIC(DM)
REGISTER_PLUGIN_DYNAMIC(DM, PLUGIN_TYPE_ENGINE, DM::DMMetaEngine);
#else
REGISTER_PLUGIN_STATIC(DM, PLUGIN_TYPE_ENGINE, DM::DMMetaEngine);
#endif
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