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103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "glk/comprehend/detection.h"
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#include "glk/comprehend/detection_tables.h"
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#include "glk/blorb.h"
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#include "common/file.h"
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#include "common/md5.h"
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#include "engines/game.h"
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namespace Glk {
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namespace Comprehend {
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void ComprehendMetaEngine::getSupportedGames(PlainGameList &games) {
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for (const PlainGameDescriptor *pd = COMPREHEND_GAME_LIST; pd->gameId; ++pd)
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games.push_back(*pd);
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}
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GameDescriptor ComprehendMetaEngine::findGame(const char *gameId) {
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for (const PlainGameDescriptor *pd = COMPREHEND_GAME_LIST; pd->gameId; ++pd) {
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if (!strcmp(gameId, pd->gameId)) {
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GameDescriptor gd = *pd;
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Common::String s(pd->gameId);
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gd._supportLevel = (s == "transylvaniav2" || s == "talisman") ?
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kUnstableGame : kTestingGame;
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return gd;
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}
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}
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return GameDescriptor::empty();
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}
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bool ComprehendMetaEngine::detectGames(const Common::FSList &fslist, DetectedGames &gameList) {
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// Loop through the files of the folder
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for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
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// Check for a recognised filename
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if (file->isDirectory())
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continue;
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// Check if file occurs in the list
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Common::String filename = file->getName();
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bool isPossible = false;
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const ComprehendDetectionEntry *p = COMPREHEND_GAMES;
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for (; p->_gameId && !isPossible; ++p)
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isPossible = filename.equalsIgnoreCase(p->_filename);
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if (!isPossible)
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continue;
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// Get the file's MD5
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Common::File gameFile;
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if (!gameFile.open(*file))
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continue;
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Common::String md5 = Common::computeStreamMD5AsString(gameFile, 5000);
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gameFile.close();
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// Iterate through the known games
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p = COMPREHEND_GAMES;
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for (; p->_gameId; ++p) {
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if (filename.equalsIgnoreCase(p->_filename)) {
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// Check for an md5 match
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if (p->_md5 == md5) {
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// Found a match
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PlainGameDescriptor gameDesc = findGame(p->_gameId);
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GlkDetectedGame gd(p->_gameId, gameDesc.description, filename);
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gameList.push_back(gd);
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}
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}
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}
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}
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return !gameList.empty();
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}
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void ComprehendMetaEngine::detectClashes(Common::StringMap &map) {
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for (const PlainGameDescriptor *pd = COMPREHEND_GAME_LIST; pd->gameId; ++pd) {
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if (map.contains(pd->gameId))
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error("Duplicate game Id found - %s", pd->gameId);
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map[pd->gameId] = "";
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}
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}
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} // End of namespace Comprehend
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} // End of namespace Glk
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