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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 "kyra/kyra_lok.h"
#include "kyra/lol.h"
#include "kyra/kyra_hof.h"
#include "kyra/kyra_mr.h"
#include "common/config-manager.h"
#include "common/system.h"
#include "common/savefile.h"
#include "engines/advancedDetector.h"
#include "base/plugins.h"
struct KYRAGameDescription {
ADGameDescription desc;
Kyra::GameFlags flags;
};
#include "kyra/detection_tables.h"
namespace {
const char * const directoryGlobs[] = {
"malcolm",
0
};
static const ADParams detectionParams = {
// Pointer to ADGameDescription or its superset structure
(const byte *)adGameDescs,
// Size of that superset structure
sizeof(KYRAGameDescription),
// Number of bytes to compute MD5 sum for
1024 * 1024,
// List of all engine targets
gameList,
// Structure for autoupgrading obsolete targets
0,
// Name of single gameid (optional)
0,
// List of files for file-based fallback detection (optional)
0,
// Flags
0,
// Additional GUI options (for every game}
Common::GUIO_NONE,
// Maximum directory depth
2,
// List of directory globs
directoryGlobs
};
} // End of anonymous namespace
class KyraMetaEngine : public AdvancedMetaEngine {
public:
KyraMetaEngine() : AdvancedMetaEngine(detectionParams) {}
const char *getName() const {
return "Kyra";
}
const char *getOriginalCopyright() const {
return "The Legend of Kyrandia (C) Westwood Studios"
#ifdef ENABLE_LOL
"\nLands of Lore (C) Westwood Studios"
#endif
;
}
bool hasFeature(MetaEngineFeature f) const;
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 KyraMetaEngine::hasFeature(MetaEngineFeature f) const {
return
(f == kSupportsListSaves) ||
(f == kSupportsLoadingDuringStartup) ||
(f == kSupportsDeleteSave) ||
(f == kSavesSupportMetaInfo) ||
(f == kSavesSupportThumbnail);
}
bool Kyra::KyraEngine_v1::hasFeature(EngineFeature f) const {
return
(f == kSupportsRTL) ||
(f == kSupportsLoadingDuringRuntime) ||
(f == kSupportsSavingDuringRuntime) ||
(f == kSupportsSubtitleOptions);
}
bool KyraMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
const KYRAGameDescription *gd = (const KYRAGameDescription *)desc;
bool res = true;
Kyra::GameFlags flags = gd->flags;
flags.lang = gd->desc.language;
flags.platform = gd->desc.platform;
Common::Platform platform = Common::parsePlatform(ConfMan.get("platform"));
if (platform != Common::kPlatformUnknown)
flags.platform = platform;
if (flags.lang == Common::UNK_LANG) {
Common::Language lang = Common::parseLanguage(ConfMan.get("language"));
if (lang != Common::UNK_LANG)
flags.lang = lang;
else
flags.lang = Common::EN_ANY;
}
switch (flags.gameID) {
case Kyra::GI_KYRA1:
*engine = new Kyra::KyraEngine_LoK(syst, flags);
break;
case Kyra::GI_KYRA2:
*engine = new Kyra::KyraEngine_HoF(syst, flags);
break;
case Kyra::GI_KYRA3:
*engine = new Kyra::KyraEngine_MR(syst, flags);
break;
#ifdef ENABLE_LOL
case Kyra::GI_LOL:
*engine = new Kyra::LoLEngine(syst, flags);
break;
#endif // ENABLE_LOL
default:
res = false;
warning("Kyra engine: unknown gameID");
}
return res;
}
SaveStateList KyraMetaEngine::listSaves(const char *target) const {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Kyra::KyraEngine_v1::SaveHeader header;
Common::String pattern = target;
pattern += ".???";
Common::StringArray filenames;
filenames = saveFileMan->listSavefiles(pattern);
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);
if (in) {
if (Kyra::KyraEngine_v1::readSaveHeader(in, false, header) == Kyra::KyraEngine_v1::kRSHENoError) {
// WORKAROUND: Old savegames are using 'German' as description for kyra3 restart game save (slot 0),
// since that looks odd we replace it by "New Game".
if (slotNum == 0 && header.gameID == Kyra::GI_KYRA3)
header.description = "New Game";
saveList.push_back(SaveStateDescriptor(slotNum, header.description));
}
delete in;
}
}
}
return saveList;
}
int KyraMetaEngine::getMaximumSaveSlot() const { return 999; }
void KyraMetaEngine::removeSaveState(const char *target, int slot) const {
// In Kyra games slot 0 can't be deleted, it's for restarting the game(s).
// An exception makes Lands of Lore here, it does not have any way to restart the
// game except via its main menu.
if (slot == 0 && !ConfMan.getDomain(target)->getVal("gameid").equalsIgnoreCase("lol"))
return;
Common::String filename = Kyra::KyraEngine_v1::getSavegameFilename(target, slot);
g_system->getSavefileManager()->removeSavefile(filename);
}
SaveStateDescriptor KyraMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
Common::String filename = Kyra::KyraEngine_v1::getSavegameFilename(target, slot);
Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(filename);
if (in) {
Kyra::KyraEngine_v1::SaveHeader header;
Kyra::KyraEngine_v1::kReadSaveHeaderError error;
error = Kyra::KyraEngine_v1::readSaveHeader(in, true, header);
delete in;
if (error == Kyra::KyraEngine_v1::kRSHENoError) {
SaveStateDescriptor desc(slot, header.description);
bool lolGame = ConfMan.getDomain(target)->getVal("gameid").equalsIgnoreCase("lol");
// Slot 0 is used for the 'restart game' save in all three Kyrandia games, thus
// we prevent it from being deleted.
desc.setDeletableFlag(slot != 0 || lolGame);
// We don't allow quick saves (slot 990 till 998) to be overwritten.
// The same goes for the 'Autosave', which is slot 999.
desc.setWriteProtectedFlag((slot == 0 && !lolGame) || slot >= 990);
desc.setThumbnail(header.thumbnail);
return desc;
}
}
return SaveStateDescriptor();
}
#if PLUGIN_ENABLED_DYNAMIC(KYRA)
REGISTER_PLUGIN_DYNAMIC(KYRA, PLUGIN_TYPE_ENGINE, KyraMetaEngine);
#else
REGISTER_PLUGIN_STATIC(KYRA, PLUGIN_TYPE_ENGINE, KyraMetaEngine);
#endif
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