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319 lines
8.6 KiB
C++
319 lines
8.6 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2004-2006 The ScummVM project
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*
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* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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// Game detection, general game parameters
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#include "saga/saga.h"
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#include "common/file.h"
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#include "common/fs.h"
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#include "common/md5.h"
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#include "common/hashmap.h"
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#include "common/hash-str.h"
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#include "common/config-manager.h"
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#include "base/plugins.h"
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#include "saga/rscfile.h"
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#include "saga/interface.h"
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#include "saga/scene.h"
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#include "saga/sagaresnames.h"
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namespace Saga {
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static DetectedGameList GAME_detectGames(const FSList &fslist);
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}
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static const PlainGameDescriptor saga_games[] = {
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{"ite", "Inherit the Earth: Quest for the Orb"},
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{"ihnm", "I Have No Mouth and I Must Scream"},
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{0, 0}
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};
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GameList Engine_SAGA_gameIDList() {
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GameList games;
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const PlainGameDescriptor *g = saga_games;
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while (g->gameid) {
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games.push_back(*g);
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g++;
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}
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return games;
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}
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GameDescriptor Engine_SAGA_findGameID(const char *gameid) {
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const PlainGameDescriptor *g = saga_games;
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while (g->gameid) {
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if (0 == scumm_stricmp(gameid, g->gameid))
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break;
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g++;
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}
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return *g;
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}
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DetectedGameList Engine_SAGA_detectGames(const FSList &fslist) {
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return Saga::GAME_detectGames(fslist);
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}
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PluginError Engine_SAGA_create(OSystem *syst, Engine **engine) {
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assert(syst);
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assert(engine);
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FSList fslist;
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FilesystemNode dir(ConfMan.get("path"));
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if (!dir.listDir(fslist, FilesystemNode::kListFilesOnly)) {
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warning("SagaEngine: invalid game path '%s'", dir.path().c_str());
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return kInvalidPathError;
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}
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// Invoke the detector
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Common::String gameid = ConfMan.get("gameid");
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DetectedGameList detectedGames = Engine_SAGA_detectGames(fslist);
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for (uint i = 0; i < detectedGames.size(); i++) {
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if (detectedGames[i].gameid == gameid) {
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*engine = new Saga::SagaEngine(syst);
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return kNoError;
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}
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}
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warning("SagaEngine: Unable to locate game data at path '%s'", dir.path().c_str());
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return kNoGameDataFoundError;
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}
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REGISTER_PLUGIN(SAGA, "SAGA Engine", "Inherit the Earth (C) Wyrmkeep Entertainment");
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namespace Saga {
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#include "sagagame.cpp"
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DetectedGame toDetectedGame(const GameDescription &g) {
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const char *title;
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title = saga_games[g.gameType].description;
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DetectedGame dg(g.name, title, g.language, g.platform);
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dg.updateDesc(g.extra);
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return dg;
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}
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static int detectGame(const FSList *fslist, Common::Language language, Common::Platform platform, int*& returnMatches) {
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int gamesCount = ARRAYSIZE(gameDescriptions);
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int filesCount;
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typedef Common::HashMap<Common::String, bool, Common::CaseSensitiveString_Hash, Common::CaseSensitiveString_EqualTo> StringSet;
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StringSet filesList;
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typedef Common::StringMap StringMap;
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StringMap filesMD5;
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Common::String tstr;
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int i, j;
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char md5str[32+1];
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uint8 md5sum[16];
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int matched[ARRAYSIZE(gameDescriptions)];
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int matchedCount = 0;
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bool fileMissing;
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GameFileDescription *fileDesc;
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// First we compose list of files which we need MD5s for
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for (i = 0; i < gamesCount; i++) {
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for (j = 0; j < gameDescriptions[i].filesCount; j++) {
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tstr = Common::String(gameDescriptions[i].filesDescriptions[j].fileName);
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tstr.toLowercase();
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filesList[tstr] = true;
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}
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}
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if (fslist != NULL) {
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for (FSList::const_iterator file = fslist->begin(); file != fslist->end(); ++file) {
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if (file->isDirectory()) continue;
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tstr = file->name();
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tstr.toLowercase();
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if (!filesList.contains(tstr)) continue;
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if (!Common::md5_file(*file, md5sum, FILE_MD5_BYTES)) continue;
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for (j = 0; j < 16; j++) {
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sprintf(md5str + j*2, "%02x", (int)md5sum[j]);
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}
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filesMD5[tstr] = Common::String(md5str);
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}
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} else {
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Common::File testFile;
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for (StringSet::const_iterator file = filesList.begin(); file != filesList.end(); ++file) {
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tstr = file->_key;
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tstr.toLowercase();
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if (!filesMD5.contains(tstr)) {
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if (testFile.open(file->_key)) {
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testFile.close();
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if (Common::md5_file(file->_key.c_str(), md5sum, FILE_MD5_BYTES)) {
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for (j = 0; j < 16; j++) {
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sprintf(md5str + j*2, "%02x", (int)md5sum[j]);
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}
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filesMD5[tstr] = Common::String(md5str);
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}
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}
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}
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}
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}
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for (i = 0; i < gamesCount; i++) {
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filesCount = gameDescriptions[i].filesCount;
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fileMissing = false;
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// Try to open all files for this game
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for (j = 0; j < filesCount; j++) {
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fileDesc = &gameDescriptions[i].filesDescriptions[j];
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tstr = fileDesc->fileName;
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tstr.toLowercase();
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if (!filesMD5.contains(tstr)) {
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if ((fileDesc->fileType & (GAME_SOUNDFILE | GAME_VOICEFILE | GAME_MUSICFILE)) != 0) {
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//TODO: find recompressed files
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}
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fileMissing = true;
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break;
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}
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if (strcmp(fileDesc->md5, filesMD5[tstr].c_str())) {
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fileMissing = true;
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break;
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}
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}
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if (!fileMissing) {
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debug(2, "Found game: %s", toDetectedGame(gameDescriptions[i]).description.c_str());
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matched[matchedCount++] = i;
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}
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}
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if (!filesMD5.empty() && (matchedCount == 0)) {
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printf("MD5s of your game version are unknown. Please, report following data to\n");
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printf("ScummVM team along with your game name and version:\n");
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for (StringMap::const_iterator file = filesMD5.begin(); file != filesMD5.end(); ++file)
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printf("%s: %s\n", file->_key.c_str(), file->_value.c_str());
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}
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// We have some resource sets which are superpositions of other
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// Particularly it is ite-demo-linux vs ite-demo-win
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// Now remove lesser set if bigger matches too
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if (matchedCount > 1) {
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// Search max number
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int maxcount = 0;
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for (i = 0; i < matchedCount; i++) {
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maxcount = MAX(gameDescriptions[matched[i]].filesCount, maxcount);
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}
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// Now purge targets with number of files lesser than max
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for (i = 0; i < matchedCount; i++) {
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if ((gameDescriptions[matched[i]].language != language && language != Common::UNK_LANG) ||
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(gameDescriptions[matched[i]].platform != platform && platform != Common::kPlatformUnknown)) {
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debug(2, "Purged %s", toDetectedGame(gameDescriptions[matched[i]]).description.c_str());
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matched[i] = -1;
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continue;
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}
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if (gameDescriptions[matched[i]].filesCount < maxcount) {
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debug(2, "Purged: %s", toDetectedGame(gameDescriptions[matched[i]]).description.c_str());
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matched[i] = -1;
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}
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}
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}
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returnMatches = (int *)malloc(matchedCount * sizeof(int));
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j = 0;
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for (i = 0; i < matchedCount; i++)
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if (matched[i] != -1)
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returnMatches[j++] = matched[i];
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return j;
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}
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bool SagaEngine::initGame() {
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uint16 gameCount = ARRAYSIZE(gameDescriptions);
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int gameNumber = -1;
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DetectedGameList detectedGames;
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int count;
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int* matches;
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Common::Language language = Common::UNK_LANG;
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Common::Platform platform = Common::kPlatformUnknown;
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if (ConfMan.hasKey("language"))
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language = Common::parseLanguage(ConfMan.get("language"));
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if (ConfMan.hasKey("platform"))
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platform = Common::parsePlatform(ConfMan.get("platform"));
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count = detectGame(NULL, language, platform, matches);
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if (count == 0) {
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warning("No valid games were found in the specified directory.");
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return false;
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}
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if (count != 1)
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warning("Conflicting targets detected (%d)", count);
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gameNumber = matches[0];
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free(matches);
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if (gameNumber >= gameCount || gameNumber == -1) {
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error("SagaEngine::loadGame wrong gameNumber");
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}
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_gameTitle = toDetectedGame(gameDescriptions[gameNumber]).description;
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debug(2, "Running %s", _gameTitle.c_str());
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_gameNumber = gameNumber;
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_gameDescription = &gameDescriptions[gameNumber];
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_gameDisplayInfo = *_gameDescription->gameDisplayInfo;
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_displayClip.right = _gameDisplayInfo.logicalWidth;
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_displayClip.bottom = _gameDisplayInfo.logicalHeight;
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if (!_resource->createContexts()) {
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return false;
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}
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return true;
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}
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DetectedGameList GAME_detectGames(const FSList &fslist) {
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DetectedGameList detectedGames;
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int count;
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int* matches;
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count = detectGame(&fslist, Common::UNK_LANG, Common::kPlatformUnknown, matches);
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for (int i = 0; i < count; i++)
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detectedGames.push_back(toDetectedGame(gameDescriptions[matches[i]]));
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free(matches);
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return detectedGames;
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}
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} // End of namespace Saga
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