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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 "engines/obsolete.h"
#include "gob/gob.h"
#include "gob/dataio.h"
#include "gob/detection/tables.h"
class GobMetaEngine : public AdvancedMetaEngine {
public:
GobMetaEngine();
virtual GameDescriptor findGame(const char *gameId) const;
virtual const ADGameDescription *fallbackDetect(const FileMap &allFiles, const Common::FSList &fslist) const;
virtual const char *getName() const;
virtual const char *getOriginalCopyright() const;
virtual bool hasFeature(MetaEngineFeature f) const;
virtual Common::Error createInstance(OSystem *syst, Engine **engine) const;
virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
private:
/**
* Inspect the game archives to detect which Once Upon A Time game this is.
*/
static const Gob::GOBGameDescription *detectOnceUponATime(const Common::FSList &fslist);
};
GobMetaEngine::GobMetaEngine() :
AdvancedMetaEngine(Gob::gameDescriptions, sizeof(Gob::GOBGameDescription), gobGames) {
_singleId = "gob";
_guiOptions = GUIO1(GUIO_NOLAUNCHLOAD);
}
GameDescriptor GobMetaEngine::findGame(const char *gameId) const {
return Engines::findGameID(gameId, _gameIds, obsoleteGameIDsTable);
}
const ADGameDescription *GobMetaEngine::fallbackDetect(const FileMap &allFiles, const Common::FSList &fslist) const {
ADFilePropertiesMap filesProps;
const Gob::GOBGameDescription *game;
game = (const Gob::GOBGameDescription *)detectGameFilebased(allFiles, fslist, Gob::fileBased, &filesProps);
if (!game)
return 0;
if (game->gameType == Gob::kGameTypeOnceUponATime) {
game = detectOnceUponATime(fslist);
if (!game)
return 0;
}
reportUnknown(fslist.begin()->getParent(), filesProps);
return (const ADGameDescription *)game;
}
const Gob::GOBGameDescription *GobMetaEngine::detectOnceUponATime(const Common::FSList &fslist) {
// Add the game path to the search manager
SearchMan.clear();
SearchMan.addDirectory(fslist.begin()->getParent().getPath(), fslist.begin()->getParent());
// Open the archives
Gob::DataIO dataIO;
if (!dataIO.openArchive("stk1.stk", true) ||
!dataIO.openArchive("stk2.stk", true) ||
!dataIO.openArchive("stk3.stk", true)) {
SearchMan.clear();
return 0;
}
Gob::OnceUponATime gameType = Gob::kOnceUponATimeInvalid;
Gob::OnceUponATimePlatform platform = Gob::kOnceUponATimePlatformInvalid;
// If these animal files are present, it's Abracadabra
if (dataIO.hasFile("arai.anm") &&
dataIO.hasFile("crab.anm") &&
dataIO.hasFile("crap.anm") &&
dataIO.hasFile("drag.anm") &&
dataIO.hasFile("guep.anm") &&
dataIO.hasFile("loup.anm") &&
dataIO.hasFile("mous.anm") &&
dataIO.hasFile("rhin.anm") &&
dataIO.hasFile("saut.anm") &&
dataIO.hasFile("scor.anm"))
gameType = Gob::kOnceUponATimeAbracadabra;
// If these animal files are present, it's Baba Yaga
if (dataIO.hasFile("abei.anm") &&
dataIO.hasFile("arai.anm") &&
dataIO.hasFile("drag.anm") &&
dataIO.hasFile("fauc.anm") &&
dataIO.hasFile("gren.anm") &&
dataIO.hasFile("rena.anm") &&
dataIO.hasFile("sang.anm") &&
dataIO.hasFile("serp.anm") &&
dataIO.hasFile("tort.anm") &&
dataIO.hasFile("vaut.anm"))
gameType = Gob::kOnceUponATimeBabaYaga;
// Detect the platform by endianness and existence of a MOD file
Common::SeekableReadStream *villeDEC = dataIO.getFile("ville.dec");
if (villeDEC && (villeDEC->size() > 6)) {
byte data[6];
if (villeDEC->read(data, 6) == 6) {
if (!memcmp(data, "\000\000\000\001\000\007", 6)) {
// Big endian -> Amiga or Atari ST
if (dataIO.hasFile("mod.babayaga"))
platform = Gob::kOnceUponATimePlatformAmiga;
else
platform = Gob::kOnceUponATimePlatformAtariST;
} else if (!memcmp(data, "\000\000\001\000\007\000", 6))
// Little endian -> DOS
platform = Gob::kOnceUponATimePlatformDOS;
}
delete villeDEC;
}
SearchMan.clear();
if ((gameType == Gob::kOnceUponATimeInvalid) || (platform == Gob::kOnceUponATimePlatformInvalid)) {
warning("GobMetaEngine::detectOnceUponATime(): Detection failed (%d, %d)",
(int) gameType, (int) platform);
return 0;
}
return &Gob::fallbackOnceUpon[gameType][platform];
}
const char *GobMetaEngine::getName() const {
return "Gob";
}
const char *GobMetaEngine::getOriginalCopyright() const {
return "Goblins Games (C) Coktel Vision";
}
bool GobMetaEngine::hasFeature(MetaEngineFeature f) const {
return false;
}
bool Gob::GobEngine::hasFeature(EngineFeature f) const {
return
(f == kSupportsRTL);
}
Common::Error GobMetaEngine::createInstance(OSystem *syst, Engine **engine) const {
Engines::upgradeTargetIfNecessary(obsoleteGameIDsTable);
return AdvancedMetaEngine::createInstance(syst, engine);
}
bool GobMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
const Gob::GOBGameDescription *gd = (const Gob::GOBGameDescription *)desc;
if (gd) {
*engine = new Gob::GobEngine(syst);
((Gob::GobEngine *)*engine)->initGame(gd);
}
return gd != 0;
}
#if PLUGIN_ENABLED_DYNAMIC(GOB)
REGISTER_PLUGIN_DYNAMIC(GOB, PLUGIN_TYPE_ENGINE, GobMetaEngine);
#else
REGISTER_PLUGIN_STATIC(GOB, PLUGIN_TYPE_ENGINE, GobMetaEngine);
#endif
namespace Gob {
void GobEngine::initGame(const GOBGameDescription *gd) {
if (gd->startTotBase == 0)
_startTot = "intro.tot";
else
_startTot = gd->startTotBase;
if (gd->startStkBase == 0)
_startStk = "intro.stk";
else
_startStk = gd->startStkBase;
_demoIndex = gd->demoIndex;
_gameType = gd->gameType;
_features = gd->features;
_language = gd->desc.language;
_platform = gd->desc.platform;
}
} // End of namespace Gob
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