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2d33e5d318
Avoid picking any .d64 (Commodore disc) or .t64 (Commodore tape) as a possible Scott game, to prevent conflicts with the detection of Maniac Mansion / Zak C64 and possibile flooding in mass-add.
123 lines
4 KiB
C++
123 lines
4 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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/*
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* Based on ScottFree interpreter version 1.14 developed by Swansea
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* University Computer Society without disassembly of any other game
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* drivers, only of game databases as permitted by EEC law (for purposes
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* of compatibility).
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*
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* Licensed under GPLv2
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*
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* https://github.com/angstsmurf/spatterlight/tree/master/terps/scott
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*/
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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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#include "glk/blorb.h"
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#include "glk/scott/detection.h"
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#include "glk/scott/detection_tables.h"
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namespace Glk {
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namespace Scott {
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void ScottMetaEngine::getSupportedGames(PlainGameList &games) {
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for (const PlainGameDescriptor *pd = SCOTT_GAME_LIST; pd->gameId; ++pd)
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games.push_back(*pd);
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}
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GameDescriptor ScottMetaEngine::findGame(const char *gameId) {
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for (const PlainGameDescriptor *pd = SCOTT_GAME_LIST; pd->gameId; ++pd) {
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if (!strcmp(gameId, pd->gameId))
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return *pd;
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}
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return GameDescriptor::empty();
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}
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bool ScottMetaEngine::detectGames(const Common::FSList &fslist, DetectedGames &gameList) {
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const char *const EXTENSIONS[] = {".z80", ".saga", ".dat", ".D64", ".T64", "fiad", nullptr};
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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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Common::String filename = file->getName();
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bool hasExt = Blorb::hasBlorbExt(filename), isBlorb = false;
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for (const char *const *ext = &EXTENSIONS[0]; *ext && !hasExt; ++ext)
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hasExt = filename.hasSuffixIgnoreCase(*ext);
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if (!hasExt)
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continue;
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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;
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if (filename.hasSuffixIgnoreCase(".D64"))
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md5 = Common::computeStreamMD5AsString(gameFile);
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else
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md5 = Common::computeStreamMD5AsString(gameFile, 5000);
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size_t filesize = (size_t)gameFile.size();
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gameFile.seek(0);
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isBlorb = Blorb::isBlorb(gameFile, ID_SAAI);
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gameFile.close();
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if (!isBlorb && Blorb::hasBlorbExt(filename))
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continue;
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// Scan through the Scott game list for a match
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const GlkDetectionEntry *p = SCOTT_GAMES;
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while (p->_md5 && (p->_filesize != filesize || md5 != p->_md5))
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++p;
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if (!p->_gameId) {
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// ignore possible variants for common extensions to prevent flooding in mass-add
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if (!isBlorb && (filename.hasSuffixIgnoreCase(".z80") || filename.hasSuffixIgnoreCase(".dat") ||
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filename.hasSuffixIgnoreCase(".d64") || filename.hasSuffixIgnoreCase(".t64")))
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continue;
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const PlainGameDescriptor &desc = SCOTT_GAME_LIST[0];
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gameList.push_back(GlkDetectedGame(desc.gameId, desc.description, filename, md5, filesize));
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} else {
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// Found a match
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PlainGameDescriptor gameDesc = findGame(p->_gameId);
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gameList.push_back(GlkDetectedGame(p->_gameId, gameDesc.description, filename, p->_language, p->_platform));
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}
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}
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return !gameList.empty();
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}
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void ScottMetaEngine::detectClashes(Common::StringMap &map) {
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for (const PlainGameDescriptor *pd = SCOTT_GAME_LIST; pd->gameId; ++pd) {
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if (map.contains(pd->gameId))
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error("ScottMetaEngine::detectClashes: 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 Scott
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} // End of namespace Glk
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