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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 "common/translation.h"
#include "common/savefile.h"
#include "common/system.h"
#include "m4/metaengine.h"
#include "m4/detection.h"
#include "m4/burger/burger.h"
#include "m4/riddle/riddle.h"
namespace M4 {
static const ADExtraGuiOptionsMap optionsList[] = {
{
GAMEOPTION_ORIGINAL_SAVELOAD,
{
_s("Use original save/load screens"),
_s("Use the original save/load screens instead of the ScummVM ones"),
"original_menus",
false,
0,
0
}
},
AD_EXTRA_GUI_OPTIONS_TERMINATOR
};
} // End of namespace M4
const char *M4MetaEngine::getName() const {
return "m4";
}
const ADExtraGuiOptionsMap *M4MetaEngine::getAdvancedExtraGuiOptions() const {
return M4::optionsList;
}
Common::Error M4MetaEngine::createInstance(OSystem *syst, Engine **engine, const M4::M4GameDescription *gd) const {
switch (gd->gameType) {
case M4::GType_Burger:
*engine = new M4::Burger::BurgerEngine(syst, gd);
break;
case M4::GType_Riddle:
*engine = new M4::Riddle::RiddleEngine(syst, gd);
break;
default:
return Common::kUnsupportedGameidError;
}
return Common::kNoError;
}
bool M4MetaEngine::hasFeature(MetaEngineFeature f) const {
return checkExtendedSaves(f) ||
(f == kSupportsLoadingDuringStartup);
}
SaveStateDescriptor M4MetaEngine::querySaveMetaInfos(const char *target, int slot) const {
Common::String saveName = Common::String::format("%s.%03u", target, slot);
Common::InSaveFile *save = getOriginalSave(saveName);
if (save) {
save->skip(4);
char saveDesc[32];
save->read(saveDesc, 32);
saveDesc[31] = '\0';
delete save;
SaveStateDescriptor desc(this, slot, saveDesc);
return desc;
} else {
return AdvancedMetaEngine::querySaveMetaInfos(target, slot);
}
}
Common::InSaveFile *M4MetaEngine::getOriginalSave(const Common::String &saveName) const {
Common::InSaveFile *save = g_system->getSavefileManager()->openForLoading(saveName);
char name[16];
if (save) {
if (save->seek(-44, SEEK_END) && save->read(name, 7) == 7 &&
!strncmp(name, "MIRROR", 7)) {
save->seek(0);
return save;
} else if (save->seek(-44, SEEK_END) && save->read(name, 7) == 7 &&
!strncmp(name, "FAUCET ", 7)) {
save->seek(0);
return save;
}
delete save;
}
return nullptr;
}
void M4MetaEngine::getSavegameThumbnail(Graphics::Surface &thumb) {
if (!_thumbnail)
return AdvancedMetaEngine::getSavegameThumbnail(thumb);
thumb.copyFrom(*_thumbnail);
}
#if PLUGIN_ENABLED_DYNAMIC(M4)
REGISTER_PLUGIN_DYNAMIC(M4, PLUGIN_TYPE_ENGINE, M4MetaEngine);
#else
REGISTER_PLUGIN_STATIC(M4, PLUGIN_TYPE_ENGINE, M4MetaEngine);
#endif
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