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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/>.
*
*/
/*
* Based on ScottFree interpreter version 1.14 developed by Swansea
* University Computer Society without disassembly of any other game
* drivers, only of game databases as permitted by EEC law (for purposes
* of compatibility).
*
* Licensed under GPLv2
*
* https://github.com/angstsmurf/spatterlight/tree/master/terps/scott
*/
#include "common/file.h"
#include "common/md5.h"
#include "engines/game.h"
#include "glk/blorb.h"
#include "glk/scott/detection.h"
#include "glk/scott/detection_tables.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[] = {".z80", ".saga", ".dat", ".D64", ".T64", "fiad", 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;
if (filename.hasSuffixIgnoreCase(".D64"))
md5 = Common::computeStreamMD5AsString(gameFile);
else
md5 = Common::computeStreamMD5AsString(gameFile, 5000);
size_t filesize = (size_t)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 GlkDetectionEntry *p = SCOTT_GAMES;
while (p->_md5 && (p->_filesize != filesize || md5 != p->_md5))
++p;
if (!p->_gameId) {
// ignore possible variants for common extensions to prevent flooding in mass-add
if (!isBlorb && (filename.hasSuffixIgnoreCase(".z80") || filename.hasSuffixIgnoreCase(".dat") ||
filename.hasSuffixIgnoreCase(".d64") || filename.hasSuffixIgnoreCase(".t64")))
continue;
const PlainGameDescriptor &desc = SCOTT_GAME_LIST[0];
gameList.push_back(GlkDetectedGame(desc.gameId, desc.description, filename, md5, filesize));
} else {
// Found a match
PlainGameDescriptor gameDesc = findGame(p->_gameId);
gameList.push_back(GlkDetectedGame(p->_gameId, gameDesc.description, filename, p->_language, p->_platform));
}
}
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("ScottMetaEngine::detectClashes: Duplicate game Id found - %s", pd->gameId);
map[pd->gameId] = "";
}
}
} // End of namespace Scott
} // End of namespace Glk
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