scummvm/engines/draci/detection.cpp

197 lines
5.4 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.
*
*/
#include "draci/draci.h"
#include "draci/saveload.h"
#include "base/plugins.h"
#include "common/system.h"
#include "engines/advancedDetector.h"
#include "engines/metaengine.h"
static const PlainGameDescriptor draciGames[] = {
{ "draci", "Draci Historie" },
{ 0, 0 }
};
namespace Draci {
const ADGameDescription gameDescriptions[] = {
{
"draci",
0,
AD_ENTRY1s("INIT.DFW", "b890a5aeebaf16af39219cba2416b0a3", 906),
Common::EN_ANY,
Common::kPlatformPC,
ADGF_NO_FLAGS,
GUIO0()
},
{
"draci",
0,
AD_ENTRY1s("INIT.DFW", "9921c8f0045679a8f37eca8d41c5ec02", 906),
Common::CZ_CZE,
Common::kPlatformPC,
ADGF_NO_FLAGS,
GUIO0()
},
{
"draci",
0,
AD_ENTRY1s("INIT.DFW", "76b9b78a8a8809a240acc395df4d0715", 906),
Common::PL_POL,
Common::kPlatformPC,
ADGF_NO_FLAGS,
GUIO0()
},
{
"draci",
0,
AD_ENTRY1s("INIT.DFW", "9a7115b91cdea361bcaff3e046ac7ded", 906),
Common::DE_DEU,
Common::kPlatformPC,
ADGF_NO_FLAGS,
GUIO0()
},
AD_TABLE_END_MARKER
};
} // End of namespace Draci
class DraciMetaEngine : public AdvancedMetaEngine {
public:
DraciMetaEngine() : AdvancedMetaEngine(Draci::gameDescriptions, sizeof(ADGameDescription), draciGames) {
_singleid = "draci";
}
virtual const char *getName() const {
return "Draci";
}
virtual const char *getOriginalCopyright() const {
return "Copyright (C) 1995 NoSense";
}
virtual bool hasFeature(MetaEngineFeature f) const;
virtual int getMaximumSaveSlot() const { return 99; }
virtual SaveStateList listSaves(const char *target) const;
virtual void removeSaveState(const char *target, int slot) const;
virtual SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
};
bool DraciMetaEngine::hasFeature(MetaEngineFeature f) const {
return
(f == kSupportsListSaves) ||
(f == kSupportsDeleteSave) ||
(f == kSavesSupportMetaInfo) ||
(f == kSavesSupportThumbnail) ||
(f == kSavesSupportCreationDate) ||
(f == kSavesSupportPlayTime) ||
(f == kSupportsLoadingDuringStartup);
}
SaveStateList DraciMetaEngine::listSaves(const char *target) const {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Common::StringArray filenames;
Common::String pattern("draci.s??");
filenames = saveFileMan->listSavefiles(pattern);
sort(filenames.begin(), filenames.end()); // Sort (hopefully ensuring we are sorted numerically..)
SaveStateList saveList;
for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
// Obtain the last 2 digits of the filename, since they correspond to the save slot
int slotNum = atoi(file->c_str() + file->size() - 2);
if (slotNum >= 0 && slotNum <= 99) {
Common::InSaveFile *in = saveFileMan->openForLoading(*file);
if (in) {
Draci::DraciSavegameHeader header;
if (Draci::readSavegameHeader(in, header)) {
saveList.push_back(SaveStateDescriptor(slotNum, header.saveName));
if (header.thumbnail) {
header.thumbnail->free();
delete header.thumbnail;
}
}
delete in;
}
}
}
return saveList;
}
void DraciMetaEngine::removeSaveState(const char *target, int slot) const {
g_system->getSavefileManager()->removeSavefile(Draci::DraciEngine::getSavegameFile(slot));
}
SaveStateDescriptor DraciMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
Common::InSaveFile *f = g_system->getSavefileManager()->openForLoading(
Draci::DraciEngine::getSavegameFile(slot));
if (f) {
Draci::DraciSavegameHeader header;
Draci::readSavegameHeader(f, header);
delete f;
// Create the return descriptor
SaveStateDescriptor desc(slot, header.saveName);
desc.setDeletableFlag(true);
desc.setWriteProtectedFlag(false);
desc.setThumbnail(header.thumbnail);
int day = (header.date >> 24) & 0xFF;
int month = (header.date >> 16) & 0xFF;
int year = header.date & 0xFFFF;
desc.setSaveDate(year, month, day);
int hour = (header.time >> 8) & 0xFF;
int minutes = header.time & 0xFF;
desc.setSaveTime(hour, minutes);
desc.setPlayTime(header.playtime * 1000);
return desc;
}
return SaveStateDescriptor();
}
bool DraciMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
if (desc) {
*engine = new Draci::DraciEngine(syst, desc);
}
return desc != 0;
}
#if PLUGIN_ENABLED_DYNAMIC(DRACI)
REGISTER_PLUGIN_DYNAMIC(DRACI, PLUGIN_TYPE_ENGINE, DraciMetaEngine);
#else
REGISTER_PLUGIN_STATIC(DRACI, PLUGIN_TYPE_ENGINE, DraciMetaEngine);
#endif