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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 "engines/advancedDetector.h"
#include "prince/prince.h"
#include "prince/detection.h"
namespace Prince {
int PrinceEngine::getGameType() const {
return _gameDescription->gameType;
}
const char *PrinceEngine::getGameId() const {
return _gameDescription->desc.gameId;
}
uint32 PrinceEngine::getFeatures() const {
return _gameDescription->desc.flags;
}
Common::Language PrinceEngine::getLanguage() const {
return _gameDescription->desc.language;
}
} // End of namespace Prince
class PrinceMetaEngine : public AdvancedMetaEngine<Prince::PrinceGameDescription> {
public:
const char *getName() const override {
return "prince";
}
Common::Error createInstance(OSystem *syst, Engine **engine, const Prince::PrinceGameDescription *desc) const override;
bool hasFeature(MetaEngineFeature f) const override;
int getMaximumSaveSlot() const override { return 99; }
SaveStateList listSaves(const char *target) const override;
SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const override;
bool removeSaveState(const char *target, int slot) const override;
};
bool PrinceMetaEngine::hasFeature(MetaEngineFeature f) const {
return
(f == kSupportsDeleteSave) ||
(f == kSavesSupportMetaInfo) ||
(f == kSavesSupportThumbnail) ||
(f == kSavesSupportCreationDate) ||
(f == kSavesSupportPlayTime) ||
(f == kSupportsListSaves) ||
(f == kSupportsLoadingDuringStartup) ||
(f == kSimpleSavesNames);
}
bool Prince::PrinceEngine::hasFeature(EngineFeature f) const {
return
(f == kSupportsLoadingDuringRuntime) ||
(f == kSupportsSavingDuringRuntime) ||
(f == kSupportsReturnToLauncher);
}
SaveStateList PrinceMetaEngine::listSaves(const char *target) const {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Common::StringArray filenames;
Common::String pattern = target;
pattern += ".###";
filenames = saveFileMan->listSavefiles(pattern);
SaveStateList saveList;
for (Common::StringArray::const_iterator filename = filenames.begin(); filename != filenames.end(); filename++) {
// Obtain the last 3 digits of the filename, since they correspond to the save slot
int slotNum = atoi(filename->c_str() + filename->size() - 3);
if (slotNum >= 0 && slotNum <= 99) {
Common::InSaveFile *file = saveFileMan->openForLoading(*filename);
if (file) {
Prince::SavegameHeader header;
// Check to see if it's a ScummVM savegame or not
char buffer[kSavegameStrSize + 1];
file->read(buffer, kSavegameStrSize + 1);
if (!strncmp(buffer, kSavegameStr, kSavegameStrSize + 1)) {
// Valid savegame
if (Prince::PrinceEngine::readSavegameHeader(file, header)) {
saveList.push_back(SaveStateDescriptor(this, slotNum, header.saveName));
}
} else {
// Must be an original format savegame
saveList.push_back(SaveStateDescriptor(this, slotNum, "Unknown"));
}
delete file;
}
}
}
Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator());
return saveList;
}
SaveStateDescriptor PrinceMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
Common::String fileName = Common::String::format("%s.%03d", target, slot);
Common::InSaveFile *f = g_system->getSavefileManager()->openForLoading(fileName);
if (f) {
Prince::SavegameHeader header;
// Check to see if it's a ScummVM savegame or not
char buffer[kSavegameStrSize + 1];
f->read(buffer, kSavegameStrSize + 1);
bool hasHeader = !strncmp(buffer, kSavegameStr, kSavegameStrSize + 1) &&
Prince::PrinceEngine::readSavegameHeader(f, header, false);
delete f;
if (!hasHeader) {
// Original savegame perhaps?
SaveStateDescriptor desc(this, slot, "Unknown");
return desc;
} else {
// Create the return descriptor
SaveStateDescriptor desc(this, slot, header.saveName);
desc.setThumbnail(header.thumbnail);
desc.setSaveDate(header.saveYear, header.saveMonth, header.saveDay);
desc.setSaveTime(header.saveHour, header.saveMinutes);
desc.setPlayTime(header.playTime * 1000);
return desc;
}
}
return SaveStateDescriptor();
}
bool PrinceMetaEngine::removeSaveState(const char *target, int slot) const {
Common::String fileName = Common::String::format("%s.%03d", target, slot);
return g_system->getSavefileManager()->removeSavefile(fileName);
}
Common::Error PrinceMetaEngine::createInstance(OSystem *syst, Engine **engine, const Prince::PrinceGameDescription *desc) const {
*engine = new Prince::PrinceEngine(syst,desc);
return Common::kNoError;
}
#if PLUGIN_ENABLED_DYNAMIC(PRINCE)
REGISTER_PLUGIN_DYNAMIC(PRINCE, PLUGIN_TYPE_ENGINE, PrinceMetaEngine);
#else
REGISTER_PLUGIN_STATIC(PRINCE, PLUGIN_TYPE_ENGINE, PrinceMetaEngine);
#endif
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