scummvm/engines/neverhood/detection.cpp

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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 "engines/advancedDetector.h"
#include "common/file.h"
#include "neverhood/neverhood.h"
namespace Neverhood {
struct NeverhoodGameDescription {
ADGameDescription desc;
int gameID;
int gameType;
uint32 features;
uint16 version;
};
const char *NeverhoodEngine::getGameId() const {
return _gameDescription->desc.gameid;
}
uint32 NeverhoodEngine::getFeatures() const {
return _gameDescription->features;
}
Common::Platform NeverhoodEngine::getPlatform() const {
return _gameDescription->desc.platform;
}
uint16 NeverhoodEngine::getVersion() const {
return _gameDescription->version;
}
bool NeverhoodEngine::isDemo() const {
return _gameDescription->desc.flags & ADGF_DEMO;
}
}
static const PlainGameDescriptor neverhoodGames[] = {
{"neverhood", "The Neverhood Chronicles"},
{0, 0}
};
namespace Neverhood {
static const NeverhoodGameDescription gameDescriptions[] = {
{
// Neverhood English version
{
"neverhood",
0,
AD_ENTRY1s("hd.blb", "22958d968458c9ff221aee38577bb2b2", 4279716),
Common::EN_ANY,
Common::kPlatformWindows,
ADGF_NO_FLAGS,
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GUIO1(GUIO_NONE)
},
0,
0,
0,
0,
},
{
// Neverhood English demo version
{
"neverhood",
"Demo",
AD_ENTRY1s("nevdemo.blb", "05b735cfb1086892bec79b54dca5545b", 22564568),
Common::EN_ANY,
Common::kPlatformWindows,
ADGF_DEMO,
GUIO1(GUIO_NONE)
},
0,
0,
0,
0,
},
{ AD_TABLE_END_MARKER, 0, 0, 0, 0 }
};
} // End of namespace Neverhood
class NeverhoodMetaEngine : public AdvancedMetaEngine {
public:
NeverhoodMetaEngine() : AdvancedMetaEngine(Neverhood::gameDescriptions, sizeof(Neverhood::NeverhoodGameDescription), neverhoodGames) {
_singleid = "neverhood";
}
virtual const char *getName() const {
return "Neverhood Engine";
}
virtual const char *getOriginalCopyright() const {
return "Neverhood Engine (C) Infogrames";
}
virtual bool hasFeature(MetaEngineFeature f) const;
virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
SaveStateList listSaves(const char *target) const;
virtual int getMaximumSaveSlot() const;
void removeSaveState(const char *target, int slot) const;
SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
};
bool NeverhoodMetaEngine::hasFeature(MetaEngineFeature f) const {
return
(f == kSupportsListSaves) ||
(f == kSupportsLoadingDuringStartup) ||
// (f == kSupportsDeleteSave) ||
(f == kSavesSupportMetaInfo) ||
(f == kSavesSupportThumbnail) ||
(f == kSavesSupportCreationDate) ||
(f == kSavesSupportPlayTime);
}
bool Neverhood::NeverhoodEngine::hasFeature(EngineFeature f) const {
return
(f == kSupportsRTL) ||
(f == kSupportsLoadingDuringRuntime) ||
(f == kSupportsSavingDuringRuntime);
}
bool NeverhoodMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
const Neverhood::NeverhoodGameDescription *gd = (const Neverhood::NeverhoodGameDescription *)desc;
if (gd) {
*engine = new Neverhood::NeverhoodEngine(syst, gd);
}
return gd != 0;
}
SaveStateList NeverhoodMetaEngine::listSaves(const char *target) const {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Neverhood::NeverhoodEngine::SaveHeader header;
Common::String pattern = target;
pattern += ".???";
Common::StringArray filenames;
filenames = saveFileMan->listSavefiles(pattern.c_str());
Common::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 3 digits of the filename, since they correspond to the save slot
int slotNum = atoi(file->c_str() + file->size() - 3);
if (slotNum >= 0 && slotNum <= 999) {
Common::InSaveFile *in = saveFileMan->openForLoading(file->c_str());
if (in) {
if (Neverhood::NeverhoodEngine::readSaveHeader(in, false, header) == Neverhood::NeverhoodEngine::kRSHENoError) {
saveList.push_back(SaveStateDescriptor(slotNum, header.description));
}
delete in;
}
}
}
return saveList;
}
int NeverhoodMetaEngine::getMaximumSaveSlot() const {
return 999;
}
void NeverhoodMetaEngine::removeSaveState(const char *target, int slot) const {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Common::String filename = Neverhood::NeverhoodEngine::getSavegameFilename(target, slot);
saveFileMan->removeSavefile(filename.c_str());
Common::StringArray filenames;
Common::String pattern = target;
pattern += ".???";
filenames = saveFileMan->listSavefiles(pattern.c_str());
Common::sort(filenames.begin(), filenames.end()); // Sort (hopefully ensuring we are sorted numerically..)
for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
// Obtain the last 3 digits of the filename, since they correspond to the save slot
int slotNum = atoi(file->c_str() + file->size() - 3);
// Rename every slot greater than the deleted slot,
// Also do not rename quicksaves.
if (slotNum > slot && slotNum < 990) {
saveFileMan->renameSavefile(file->c_str(), filename.c_str());
filename = Neverhood::NeverhoodEngine::getSavegameFilename(target, ++slot);
}
}
}
SaveStateDescriptor NeverhoodMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
Common::String filename = Neverhood::NeverhoodEngine::getSavegameFilename(target, slot);
Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(filename.c_str());
if (in) {
Neverhood::NeverhoodEngine::SaveHeader header;
Neverhood::NeverhoodEngine::kReadSaveHeaderError error;
error = Neverhood::NeverhoodEngine::readSaveHeader(in, true, header);
delete in;
if (error == Neverhood::NeverhoodEngine::kRSHENoError) {
SaveStateDescriptor desc(slot, header.description);
desc.setDeletableFlag(false);
desc.setWriteProtectedFlag(false);
desc.setThumbnail(header.thumbnail);
int day = (header.saveDate >> 24) & 0xFF;
int month = (header.saveDate >> 16) & 0xFF;
int year = header.saveDate & 0xFFFF;
desc.setSaveDate(year, month, day);
int hour = (header.saveTime >> 16) & 0xFF;
int minutes = (header.saveTime >> 8) & 0xFF;
desc.setSaveTime(hour, minutes);
desc.setPlayTime(header.playTime * 1000);
return desc;
}
}
return SaveStateDescriptor();
}
#if PLUGIN_ENABLED_DYNAMIC(NEVERHOOD)
REGISTER_PLUGIN_DYNAMIC(NEVERHOOD, PLUGIN_TYPE_ENGINE, NeverhoodMetaEngine);
#else
REGISTER_PLUGIN_STATIC(NEVERHOOD, PLUGIN_TYPE_ENGINE, NeverhoodMetaEngine);
#endif