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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 "gnap/gnap.h"
#include "common/config-manager.h"
#include "engines/advancedDetector.h"
#include "common/savefile.h"
#include "common/system.h"
#include "base/plugins.h"
#include "graphics/thumbnail.h"
static const PlainGameDescriptor gnapGames[] = {
{ "gnap", "Gnap" },
{ 0, 0 }
};
namespace Gnap {
static const ADGameDescription gameDescriptions[] = {
{
"gnap", "",
{
{"stock_n.dat", 0, "46819043d019a2f36b727cc2bdd6980f", 12515823},
AD_LISTEND
},
Common::EN_ANY, Common::kPlatformWindows, ADGF_NO_FLAGS, GUIO0()
},
{
"gnap", "",
{
{"stock_n.dat", 0, "46819043d019a2f36b727cc2bdd6980f", 13497301},
AD_LISTEND
},
Common::EN_ANY, Common::kPlatformWindows, ADGF_NO_FLAGS, GUIO0()
},
{
"gnap", "",
{
{"stock_n.dat", 0, "46819043d019a2f36b727cc2bdd6980f", 12995485},
AD_LISTEND
},
Common::RU_RUS, Common::kPlatformWindows, ADGF_NO_FLAGS, GUIO0()
},
{
"gnap", "Fargus",
{
{"stock_n.dat", 0, "46819043d019a2f36b727cc2bdd6980f", 12847726},
AD_LISTEND
},
Common::RU_RUS, Common::kPlatformWindows, ADGF_NO_FLAGS, GUIO0()
},
AD_TABLE_END_MARKER
};
} // End of namespace Gnap
class GnapMetaEngine : public AdvancedMetaEngine {
public:
GnapMetaEngine() : AdvancedMetaEngine(Gnap::gameDescriptions, sizeof(ADGameDescription), gnapGames) {
_singleId = "gnap";
_maxScanDepth = 3;
}
virtual const char *getName() const {
return "Gnap";
}
virtual const char *getOriginalCopyright() const {
return "Gnap (C) Artech Digital Entertainment 1997";
}
virtual bool hasFeature(MetaEngineFeature f) const;
virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
virtual int getMaximumSaveSlot() const;
virtual SaveStateList listSaves(const char *target) const;
SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
virtual void removeSaveState(const char *target, int slot) const;
};
bool GnapMetaEngine::hasFeature(MetaEngineFeature f) const {
return
(f == kSupportsListSaves) ||
(f == kSupportsLoadingDuringStartup) ||
(f == kSupportsDeleteSave) ||
(f == kSavesSupportMetaInfo) ||
(f == kSavesSupportThumbnail) ||
(f == kSavesSupportCreationDate) ||
(f == kSimpleSavesNames);
}
bool Gnap::GnapEngine::hasFeature(EngineFeature f) const {
return
(f == kSupportsRTL) ||
(f == kSupportsLoadingDuringRuntime) ||
(f == kSupportsSavingDuringRuntime);
}
void GnapMetaEngine::removeSaveState(const char *target, int slot) const {
Common::String fileName = Common::String::format("%s.%03d", target, slot);
g_system->getSavefileManager()->removeSavefile(fileName);
}
int GnapMetaEngine::getMaximumSaveSlot() const { return 99; }
SaveStateList GnapMetaEngine::listSaves(const char *target) const {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Common::StringArray filenames;
Common::String saveDesc;
Common::String pattern = Common::String::format("%s.0##", target);
Gnap::GnapSavegameHeader header;
filenames = saveFileMan->listSavefiles(pattern);
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 < getMaximumSaveSlot()) {
Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(*file);
if (in) {
Gnap::GnapEngine::readSavegameHeader(in, header);
saveList.push_back(SaveStateDescriptor(slot, header._saveName));
if (header._thumbnail) {
header._thumbnail->free();
delete header._thumbnail;
}
delete in;
}
}
}
// Sort saves based on slot number.
Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator());
return saveList;
}
SaveStateDescriptor GnapMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
Common::String fileName = Common::String::format("%s.%03d", target, slot);
Common::InSaveFile *file = g_system->getSavefileManager()->openForLoading(fileName);
if (file) {
char saveIdentBuffer[5];
file->read(saveIdentBuffer, 5);
int32 version = file->readByte();
if (version > GNAP_SAVEGAME_VERSION) {
delete file;
return SaveStateDescriptor();
}
Common::String saveName;
char ch;
while ((ch = (char)file->readByte()) != '\0')
saveName += ch;
SaveStateDescriptor desc(slot, saveName);
if (version != 1) {
Graphics::Surface *const thumbnail = Graphics::loadThumbnail(*file);
desc.setThumbnail(thumbnail);
}
int year = file->readSint16LE();
int month = file->readSint16LE();
int day = file->readSint16LE();
int hour = file->readSint16LE();
int minutes = file->readSint16LE();
desc.setSaveDate(year, month, day);
desc.setSaveTime(hour, minutes);
delete file;
return desc;
}
return SaveStateDescriptor();
}
bool GnapMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
if (desc) {
*engine = new Gnap::GnapEngine(syst, desc);
}
return desc != 0;
}
#if PLUGIN_ENABLED_DYNAMIC(GNAP)
REGISTER_PLUGIN_DYNAMIC(GNAP, PLUGIN_TYPE_ENGINE, GnapMetaEngine);
#else
REGISTER_PLUGIN_STATIC(GNAP, PLUGIN_TYPE_ENGINE, GnapMetaEngine);
#endif
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