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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/scott/detection.h"
#include "glk/scott/detection_tables.h"
#include "glk/blorb.h"
#include "common/file.h"
#include "common/md5.h"
#include "engines/game.h"
namespace Glk {
namespace Scott {
void ScottMetaEngine::getSupportedGames(PlainGameList &games) {
for (const PlainGameDescriptor *pd = SCOTT_GAME_LIST; pd->gameId; ++pd)
games.push_back(*pd);
}
GameDescriptor ScottMetaEngine::findGame(const char *gameId) {
for (const PlainGameDescriptor *pd = SCOTT_GAME_LIST; pd->gameId; ++pd) {
if (!strcmp(gameId, pd->gameId))
return *pd;
}
return GameDescriptor::empty();
}
bool ScottMetaEngine::detectGames(const Common::FSList &fslist, DetectedGames &gameList) {
const char *const EXTENSIONS[] = { ".saga", ".dat", nullptr };
// 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 = Blorb::hasBlorbExt(filename), isBlorb = false;
for (const char *const *ext = &EXTENSIONS[0]; *ext && !hasExt; ++ext)
hasExt = filename.hasSuffixIgnoreCase(*ext);
if (!hasExt)
continue;
Common::File gameFile;
if (!gameFile.open(*file))
continue;
Common::String md5 = Common::computeStreamMD5AsString(gameFile, 5000);
int32 filesize = gameFile.size();
gameFile.seek(0);
isBlorb = Blorb::isBlorb(gameFile, ID_SAAI);
gameFile.close();
if (!isBlorb && Blorb::hasBlorbExt(filename))
continue;
// Scan through the Scott game list for a match
const ScottGame *p = SCOTT_GAMES;
while (p->_md5 && p->_filesize != filesize && md5 != p->_md5)
++p;
DetectedGame gd;
if (!p->_gameId) {
if (!isBlorb && filename.hasSuffixIgnoreCase(".dat"))
continue;
const PlainGameDescriptor &desc = SCOTT_GAME_LIST[0];
gd = DetectedGame(desc.gameId, desc.description, Common::UNK_LANG, Common::kPlatformUnknown);
gd.canBeAdded = true;
gd.hasUnknownFiles = true;
FileProperties fp;
fp.md5 = md5;
fp.size = filesize;
gd.matchedFiles[filename] = fp;
} else {
// Found a match
PlainGameDescriptor gameDesc = findGame(p->_gameId);
DetectedGame gd(p->_gameId, gameDesc.description, Common::EN_ANY, Common::kPlatformUnknown);
gd.addExtraEntry("filename", file->getName());
}
gameList.push_back(gd);
}
return !gameList.empty();
}
void ScottMetaEngine::detectClashes(Common::StringMap &map) {
for (const PlainGameDescriptor *pd = SCOTT_GAME_LIST; pd->gameId; ++pd) {
if (map.contains(pd->gameId))
error("Duplicate game Id found - %s", pd->gameId);
map[pd->gameId] = "";
}
}
} // End of namespace Scott
} // End of namespace Glk
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