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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 "glk/frotz/detection.h"
#include "common/file.h"
#include "common/md5.h"
#include "glk/frotz/detection_tables.h"
namespace Gargoyle {
namespace Frotz {
bool FrotzMetaEngine::detectGames(const Common::FSList &fslist, DetectedGames &gameList) {
const char *const EXTENSIONS[9] = { ".z1", ".z2", ".z3", ".z4", ".z5", ".z6", ".z7", ".z8", ".zblorb" };
// 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();
bool hasExt = false;
for (int idx = 0; idx < 9 && !hasExt; ++idx)
hasExt = filename.hasSuffixIgnoreCase(EXTENSIONS[idx]);
if (!hasExt)
continue;
// Open up the file and calculate the md5
Common::File gameFile;
if (!gameFile.open(*file))
continue;
Common::String md5 = Common::computeStreamMD5AsString(gameFile, 5000);
size_t filesize = gameFile.size();
gameFile.close();
// Check for known game
const FrotzGameDescription *p = FROTZ_GAMES;
while (p->_gameId && p->_md5 && (md5 != p->_md5 || filesize != p->_filesize))
++p;
DetectedGame gd;
if (!p->_gameId) {
// Generic .dat files don't get reported as matches unless they have a known md5
if (filename.hasSuffixIgnoreCase(".dat"))
continue;
warning("Uknown zcode game %s - %s %d", filename.c_str(), md5.c_str(), filesize);
gd = DetectedGame("zcode", "Unrecognised zcode game", Common::UNK_LANG, Common::kPlatformUnknown);
} else {
gd = DetectedGame(p->_gameId, p->_description, p->_language, Common::kPlatformUnknown, p->_extra);
}
gd.addExtraEntry("filename", filename);
gameList.push_back(gd);
}
return !gameList.empty();
}
} // End of namespace Frotz
} // End of namespace Gargoyle
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