scummvm/engines/tsage/detection.cpp

193 lines
5.1 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.
*
* $URL$
* $Id$
*
*/
#include "common/config-manager.h"
#include "common/system.h"
#include "common/savefile.h"
#include "engines/advancedDetector.h"
#include "base/plugins.h"
#include "tsage/tsage.h"
namespace tSage {
struct tSageGameDescription {
ADGameDescription desc;
int gameID;
uint32 features;
};
const char *TSageEngine::getGameId() const {
return _gameDescription->desc.gameid;
}
uint32 TSageEngine::getGameID() const {
return _gameDescription->gameID;
}
uint32 TSageEngine::getFeatures() const {
return _gameDescription->features;
}
Common::String TSageEngine::getPrimaryFilename() const {
return Common::String(_gameDescription->desc.filesDescriptions[0].fileName);
}
} // End of namespace tSage
static const PlainGameDescriptor tSageGameTitles[] = {
{ "tsage", "Unknown Tsunami TSAGE-based Game" },
{ "ring", "Ringworld: Revenge of the Patriarch" },
{ "blueforce", "Blue Force" },
{ 0, 0 }
};
#include "engines/tsage/detection_tables.h"
static const ADParams detectionParams = {
(const byte *)tSage::gameDescriptions,
sizeof(tSage::tSageGameDescription),
0,
tSageGameTitles,
0,
"tsage",
NULL,
0,
Common::GUIO_NONE,
0,
NULL
};
#define MAX_SAVES 100
class TSageMetaEngine : public AdvancedMetaEngine {
public:
TSageMetaEngine() : AdvancedMetaEngine(detectionParams) {
}
virtual const char *getName() const {
return "TsAGE Engine";
}
virtual const char *getOriginalCopyright() const {
return "(c) Tsunami Media";
}
virtual bool hasFeature(MetaEngineFeature f) const {
switch (f) {
case kSupportsListSaves:
case kSupportsDeleteSave:
case kSupportsLoadingDuringStartup:
case kSavesSupportMetaInfo:
case kSavesSupportThumbnail:
case kSavesSupportCreationDate:
case kSavesSupportPlayTime:
return true;
default:
return false;
}
}
virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
if (desc) {
*engine = new tSage::TSageEngine(syst, (const tSage::tSageGameDescription *)desc);
}
return desc != 0;
}
static Common::String generateGameStateFileName(const char *target, int slot) {
return Common::String::format("%s.%03d", target, slot);
}
virtual SaveStateList listSaves(const char *target) const {
Common::String pattern = target;
pattern += ".???";
Common::StringArray filenames = g_system->getSavefileManager()->listSavefiles(pattern);
sort(filenames.begin(), filenames.end());
tSage::tSageSavegameHeader header;
SaveStateList saveList;
for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
const char *ext = strrchr(file->c_str(), '.');
int slot = ext ? atoi(ext + 1) : -1;
if (slot >= 0 && slot < MAX_SAVES) {
Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(*file);
if (in) {
if (tSage::Saver::readSavegameHeader(in, header)) {
saveList.push_back(SaveStateDescriptor(slot, header.saveName));
delete header.thumbnail;
}
delete in;
}
}
}
return saveList;
}
virtual int getMaximumSaveSlot() const {
return MAX_SAVES - 1;
}
virtual void removeSaveState(const char *target, int slot) const {
Common::String filename = Common::String::format("%s.%03d", target, slot);
g_system->getSavefileManager()->removeSavefile(filename);
}
SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const {
Common::InSaveFile *f = g_system->getSavefileManager()->openForLoading(
generateGameStateFileName(target, slot));
assert(f);
tSage::tSageSavegameHeader header;
tSage::Saver::readSavegameHeader(f, header);
delete f;
// Create the return descriptor
SaveStateDescriptor desc(slot, header.saveName);
desc.setDeletableFlag(true);
desc.setWriteProtectedFlag(false);
desc.setThumbnail(header.thumbnail);
desc.setSaveDate(header.saveYear, header.saveMonth, header.saveDay);
desc.setSaveTime(header.saveHour, header.saveMinutes);
desc.setPlayTime(header.totalFrames * GAME_FRAME_TIME);
return desc;
}
};
#if PLUGIN_ENABLED_DYNAMIC(TSAGE)
REGISTER_PLUGIN_DYNAMIC(TSAGE, PLUGIN_TYPE_ENGINE, TSageMetaEngine);
#else
REGISTER_PLUGIN_STATIC(TSAGE, PLUGIN_TYPE_ENGINE, TSageMetaEngine);
#endif