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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/comprehend/detection.h"
#include "glk/comprehend/detection_tables.h"
#include "glk/blorb.h"
#include "common/file.h"
#include "common/md5.h"
#include "engines/game.h"
namespace Glk {
namespace Comprehend {
void ComprehendMetaEngine::getSupportedGames(PlainGameList &games) {
for (const PlainGameDescriptor *pd = COMPREHEND_GAME_LIST; pd->gameId; ++pd)
games.push_back(*pd);
}
GameDescriptor ComprehendMetaEngine::findGame(const char *gameId) {
for (const PlainGameDescriptor *pd = COMPREHEND_GAME_LIST; pd->gameId; ++pd) {
if (!strcmp(gameId, pd->gameId)) {
GameDescriptor gd = *pd;
Common::String s(pd->gameId);
gd._supportLevel = (s == "transylvaniav2" || s == "talisman") ?
kUnstableGame : kTestingGame;
return gd;
}
}
return GameDescriptor::empty();
}
bool ComprehendMetaEngine::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;
// Check if file occurs in the list
Common::String filename = file->getName();
bool isPossible = false;
const ComprehendDetectionEntry *p = COMPREHEND_GAMES;
for (; p->_gameId && !isPossible; ++p)
isPossible = filename.equalsIgnoreCase(p->_filename);
if (!isPossible)
continue;
// Get the file's MD5
Common::File gameFile;
if (!gameFile.open(*file))
continue;
Common::String md5 = Common::computeStreamMD5AsString(gameFile, 5000);
gameFile.close();
// Iterate through the known games
p = COMPREHEND_GAMES;
for (; p->_gameId; ++p) {
if (filename.equalsIgnoreCase(p->_filename)) {
// Check for an md5 match
if (p->_md5 == md5) {
// Found a match
PlainGameDescriptor gameDesc = findGame(p->_gameId);
GlkDetectedGame gd(p->_gameId, gameDesc.description, filename);
gameList.push_back(gd);
}
}
}
}
return !gameList.empty();
}
void ComprehendMetaEngine::detectClashes(Common::StringMap &map) {
for (const PlainGameDescriptor *pd = COMPREHEND_GAME_LIST; pd->gameId; ++pd) {
if (map.contains(pd->gameId))
error("Duplicate game Id found - %s", pd->gameId);
map[pd->gameId] = "";
}
}
} // End of namespace Comprehend
} // End of namespace Glk
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