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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 "glk/quest/detection.h"
#include "glk/quest/detection_tables.h"
#include "common/debug.h"
#include "common/file.h"
#include "common/md5.h"
#include "engines/game.h"
namespace Glk {
namespace Quest {
void QuestMetaEngine::getSupportedGames(PlainGameList &games) {
for (const PlainGameDescriptor *pd = QUEST_GAME_LIST; pd->gameId; ++pd)
games.push_back(*pd);
}
GameDescriptor QuestMetaEngine::findGame(const char *gameId) {
for (const PlainGameDescriptor *pd = QUEST_GAME_LIST; pd->gameId; ++pd) {
if (!strcmp(gameId, pd->gameId))
return *pd;
}
return GameDescriptor::empty();
}
bool QuestMetaEngine::detectGames(const Common::FSList &fslist, DetectedGames &gameList) {
// Loop through the files of the folder
for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
// Check for a recognised filename
if (file->isDirectory())
continue;
Common::String filename = file->getName();
if (!filename.hasSuffixIgnoreCase(".cas") && !filename.hasSuffixIgnoreCase(".asl")
#ifdef QUEST_EXT
&& !filename.hasSuffixIgnoreCase(".quest")
#endif
)
continue;
Common::File gameFile;
if (!gameFile.open(*file))
continue;
gameFile.seek(0);
Common::String md5 = Common::computeStreamMD5AsString(gameFile, 5000);
uint32 filesize = gameFile.size();
// Scan through the Quest game list for a match
const GlkDetectionEntry *p = QUEST_GAMES;
while (p->_md5 && p->_filesize != filesize && md5 != p->_md5)
++p;
if (!p->_gameId) {
const PlainGameDescriptor &desc = QUEST_GAME_LIST[0];
gameList.push_back(GlkDetectedGame(desc.gameId, desc.description, filename, md5, filesize));
} else {
// Found a match
PlainGameDescriptor gameDesc = findGame(p->_gameId);
gameList.push_back(GlkDetectedGame(p->_gameId, gameDesc.description, p->_extra, filename, p->_language));
}
}
return !gameList.empty();
}
void QuestMetaEngine::detectClashes(Common::StringMap &map) {
for (const PlainGameDescriptor *pd = QUEST_GAME_LIST; pd->gameId; ++pd) {
if (map.contains(pd->gameId))
error("Duplicate game Id found - %s", pd->gameId);
map[pd->gameId] = "";
}
}
} // End of namespace Quest
} // End of namespace Glk
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