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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 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 "base/plugins.h"
#include "common/file.h"
#include "common/savefile.h"
#include "common/system.h"
#include "graphics/thumbnail.h"
#include "engines/advancedDetector.h"
#include "supernova/supernova.h"
static const PlainGameDescriptor supernovaGames[] = {
{"msn1", "Mission Supernova 1"},
{"msn2", "Mission Supernova 2"},
{NULL, NULL}
};
namespace Supernova {
static const ADGameDescription gameDescriptions[] = {
// Mission Supernova 1
{
"msn1",
NULL,
AD_ENTRY1s("msn.exe", "d11264516c529c7fc2ca81d8ba062d9e", 65536),
Common::DE_DEU,
Common::kPlatformDOS,
ADGF_UNSTABLE,
GUIO1(GUIO_NONE)
},
{
"msn1",
NULL,
AD_ENTRY1s("msn.exe", "d11264516c529c7fc2ca81d8ba062d9e", 65536),
Common::EN_ANY,
Common::kPlatformDOS,
ADGF_UNSTABLE,
GUIO1(GUIO_NONE)
},
// Mission Supernova 2
{
"msn2",
NULL,
AD_ENTRY1s("ms2.exe", "e1b725393c3665f30efa96e2f46d589e", 82944),
Common::DE_DEU,
Common::kPlatformDOS,
ADGF_UNSTABLE,
GUIO1(GUIO_NONE)
},
AD_TABLE_END_MARKER
};
}
class SupernovaMetaEngine: public AdvancedMetaEngine {
public:
SupernovaMetaEngine() : AdvancedMetaEngine(Supernova::gameDescriptions, sizeof(ADGameDescription), supernovaGames) {
// _singleId = "supernova";
}
virtual const char *getName() const {
return "Supernova Engine";
}
virtual const char *getOriginalCopyright() const {
return "Mission Supernova (c) 1994 Thomas and Steffen Dingel";
}
virtual bool hasFeature(MetaEngineFeature f) const;
virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
virtual SaveStateList listSaves(const char *target) const;
virtual void removeSaveState(const char *target, int slot) const;
virtual int getMaximumSaveSlot() const {
return 99;
}
virtual SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
};
bool SupernovaMetaEngine::hasFeature(MetaEngineFeature f) const {
switch (f) {
case kSupportsLoadingDuringStartup:
// fallthrough
case kSupportsListSaves:
// fallthrough
case kSupportsDeleteSave:
// fallthrough
case kSavesSupportMetaInfo:
// fallthrough
case kSavesSupportThumbnail:
// fallthrough
case kSavesSupportCreationDate:
// fallthrough
case kSavesSupportPlayTime:
return true;
default:
return false;
}
}
bool SupernovaMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
if (desc) {
*engine = new Supernova::SupernovaEngine(syst);
}
return desc != NULL;
}
SaveStateList SupernovaMetaEngine::listSaves(const char *target) const {
Common::StringArray filenames;
Common::String pattern("msn_save.###");
filenames = g_system->getSavefileManager()->listSavefiles(pattern);
SaveStateList saveFileList;
for (Common::StringArray::const_iterator file = filenames.begin();
file != filenames.end(); ++file) {
int saveSlot = atoi(file->c_str() + file->size() - 2);
if (saveSlot >= 0 && saveSlot <= getMaximumSaveSlot()) {
Common::InSaveFile *savefile = g_system->getSavefileManager()->openForLoading(*file);
if (savefile) {
uint saveHeader = savefile->readUint32LE();
if (saveHeader == SAVEGAME_HEADER) {
byte saveVersion = savefile->readByte();
if (saveVersion <= SAVEGAME_VERSION) {
int saveFileDescSize = savefile->readSint16LE();
char* saveFileDesc = new char[saveFileDescSize];
savefile->read(saveFileDesc, saveFileDescSize);
saveFileList.push_back(SaveStateDescriptor(saveSlot, saveFileDesc));
delete [] saveFileDesc;
}
}
delete savefile;
}
}
}
Common::sort(saveFileList.begin(), saveFileList.end(), SaveStateDescriptorSlotComparator());
return saveFileList;
}
void SupernovaMetaEngine::removeSaveState(const char *target, int slot) const {
Common::String filename = Common::String::format("msn_save.%03d", slot);
g_system->getSavefileManager()->removeSavefile(filename);
}
SaveStateDescriptor SupernovaMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
Common::String fileName = Common::String::format("msn_save.%03d", slot);
Common::InSaveFile *savefile = g_system->getSavefileManager()->openForLoading(fileName);
if (savefile) {
uint saveHeader = savefile->readUint32LE();
if (saveHeader != SAVEGAME_HEADER) {
delete savefile;
return SaveStateDescriptor();
}
byte saveVersion = savefile->readByte();
if (saveVersion > SAVEGAME_VERSION){
delete savefile;
return SaveStateDescriptor();
}
int descriptionSize = savefile->readSint16LE();
char* description = new char[descriptionSize];
savefile->read(description, descriptionSize);
SaveStateDescriptor desc(slot, description);
delete [] description;
uint32 saveDate = savefile->readUint32LE();
int day = (saveDate >> 24) & 0xFF;
int month = (saveDate >> 16) & 0xFF;
int year = saveDate & 0xFFFF;
desc.setSaveDate(year, month, day);
uint16 saveTime = savefile->readUint16LE();
int hour = (saveTime >> 8) & 0xFF;
int minutes = saveTime & 0xFF;
desc.setSaveTime(hour, minutes);
uint32 playTime =savefile->readUint32LE();
desc.setPlayTime(playTime * 1000);
if (Graphics::checkThumbnailHeader(*savefile)) {
Graphics::Surface *const thumbnail = Graphics::loadThumbnail(*savefile);
desc.setThumbnail(thumbnail);
}
delete savefile;
return desc;
}
return SaveStateDescriptor();
}
#if PLUGIN_ENABLED_DYNAMIC(SUPERNOVA)
REGISTER_PLUGIN_DYNAMIC(SUPERNOVA, PLUGIN_TYPE_ENGINE, SupernovaMetaEngine);
#else
REGISTER_PLUGIN_STATIC(SUPERNOVA, PLUGIN_TYPE_ENGINE, SupernovaMetaEngine);
#endif
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