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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 "ags/detection.h"
#include "ags/game_scanner.h"
#include "ags/shared/ac/game_setup_struct.h"
#include "ags/shared/core/asset_manager.h"
#include "ags/shared/util/multi_file_lib.h"
#include "ags/shared/util/string.h"
#include "ags/engine/main/game_file.h"
#include "ags/globals.h"
#include "common/config-manager.h"
#include "common/file.h"
#include "common/hashmap.h"
#include "common/md5.h"
namespace AGS3 {
/**
* When detection is compiled dynamically, detection tables end up in detection plugin and
* engine cannot link to them so don't include the feature instead of duplicating the data
*/
#ifdef DETECTION_STATIC
extern bool define_gamedata_location(const AGS::Shared::String &exe_path);
extern bool engine_try_init_gamedata(AGS::Shared::String gamepak_path);
void GameScanner::scan(const Common::Path &startFolder) {
detectClashes();
Common::FSNode folder(startFolder);
scanFolder(folder);
if (!_oldGames.empty()) {
debug("// Pre 2.5 games that aren't supported");
for (EntryArray::iterator it = _oldGames.begin(); it != _oldGames.end(); ++it) {
debug("UNSUPPORTED_GAME_ENTRY(\"\", \"%s\", \"%s\", %u),",
it->_filename.c_str(), it->_md5.c_str(), (uint32)it->_filesize);
}
debugN("\n");
}
debug("// 2.5+ games that should be supported");
Common::HashMap<Common::String, bool> gameDescs;
for (EntryArray::iterator it = _games.begin(); it != _games.end(); ++it) {
if (!gameDescs.contains(it->_id))
debug("{ \"%s\", \"%s\" },", it->_id.c_str(), it->_gameName.c_str());
gameDescs[it->_id] = true;
}
debugN("\n");
for (EntryArray::iterator it = _games.begin(); it != _games.end(); ++it) {
debug("GAME_ENTRY(\"%s\", \"%s\", \"%s\", %u),",
it->_id.c_str(), it->_filename.c_str(),
it->_md5.c_str(), (uint32)it->_filesize);
}
debugN("\n");
}
void GameScanner::scanFolder(const Common::FSNode &folder) {
Common::FSList fslist;
folder.getChildren(fslist, Common::FSNode::kListAll);
for (uint idx = 0; idx < fslist.size(); ++idx) {
Common::FSNode node = fslist[idx];
Common::String filename = node.getName();
if (node.isDirectory()) {
scanFolder(node);
} else if (filename.hasSuffixIgnoreCase(".exe") ||
filename.hasSuffixIgnoreCase(".ags") ||
filename.equalsIgnoreCase("ac2game.dat")) {
Common::Path path = node.getPath();
scanFile(path);
}
}
}
void GameScanner::scanFile(const Common::Path &filename) {
#ifdef TODO
Common::File f;
Common::FSNode fsNode(filename);
if (!f.open(fsNode))
return;
int32 size = f.size();
Common::String md5 = Common::computeStreamMD5AsString(f, 5000);
// Check if it's an already known game
const ::AGS::AGSGameDescription *gameP = ::AGS::GAME_DESCRIPTIONS;
for (; gameP->desc.gameId; ++gameP) {
if (size == gameP->desc.filesDescriptions[0].fileSize &&
md5 == gameP->desc.filesDescriptions[0].md5)
// Known game, so skip
return;
}
// Check the game file
AGS::Shared::AssetLibInfo lib;
AGS::Shared::StreamScummVMFile *stream = new AGS::Shared::StreamScummVMFile(&f);
if (AGS::Shared::AssetManager::ReadDataFileTOC(stream, lib) != AGS::Shared::kAssetNoError)
return;
f.close();
AGS::Shared::AssetManager::DestroyInstance();
AGS::Shared::AssetManager::CreateInstance();
AGS::Shared::AssetManager::SetDataFile(filename);
if (!engine_try_init_gamedata(filename))
return;
AGS::Shared::HError err = preload_game_data();
if (!err) {
if (err->Code() == AGS::Shared::kMGFErr_FormatVersionTooOld) {
Entry e;
e._filename = fsNode.getName();
e._filename.toLowercase();
e._filesize = size;
e._md5 = md5;
_oldGames.push_back(e);
}
} else {
// Add an entry for the found game
Entry e;
e._filename = fsNode.getName();
e._filename.toLowercase();
e._filesize = size;
e._gameName = _GP(game).gamename;
e._id = convertGameNameToId(e._gameName);
e._md5 = md5;
_games.push_back(e);
}
#else
error("TODO: GameScanner::scanFile");
#endif
}
Common::String GameScanner::convertGameNameToId(const Common::String &name) {
Common::String result;
for (uint idx = 0; idx < name.size(); ++idx) {
char c = name[idx];
if (Common::isDigit(c) || (tolower(c) >= 'a' && tolower(c) <= 'z'))
result += tolower(c);
}
return result;
}
void GameScanner::detectClashes() {
Common::HashMap<Common::String, bool> gameIds;
Common::HashMap<Common::String, bool> gameNames;
const PlainGameDescriptor *nameP = ::AGS::GAME_NAMES;
for (; nameP->gameId; ++nameP) {
if (gameIds.contains(nameP->gameId))
debug("Duplicate game Id: %s", nameP->gameId);
gameIds[nameP->gameId] = true;
if (gameNames.contains(nameP->description))
debug("Duplicate game name: %s", nameP->description);
gameNames[nameP->description] = true;
}
}
#endif
} // namespace AGS3
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