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Diffstat (limited to 'engines/queen/detection.cpp')
-rw-r--r-- | engines/queen/detection.cpp | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/engines/queen/detection.cpp b/engines/queen/detection.cpp new file mode 100644 index 0000000000..678ae605d3 --- /dev/null +++ b/engines/queen/detection.cpp @@ -0,0 +1,205 @@ +/* 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 2 + * 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#include "base/plugins.h" + +//#include "engines/advancedDetector.h" +#include "engines/metaengine.h" + +#include "common/config-manager.h" +#include "common/file.h" +#include "common/gui_options.h" +#include "common/savefile.h" +#include "common/system.h" +#include "common/translation.h" + +#include "queen/queen.h" +#include "queen/resource.h" + +static const PlainGameDescriptor queenGameDescriptor = { + "queen", "Flight of the Amazon Queen" +}; + +static const ExtraGuiOption queenExtraGuiOption = { + _s("Alternative intro"), + _s("Use an alternative game intro (CD version only)"), + "alt_intro", + false +}; + +class QueenMetaEngine : public MetaEngine { +public: + virtual const char *getName() const; + virtual const char *getOriginalCopyright() const; + + virtual bool hasFeature(MetaEngineFeature f) const; + virtual GameList getSupportedGames() const; + virtual const ExtraGuiOptions getExtraGuiOptions(const Common::String &target) const; + virtual GameDescriptor findGame(const char *gameid) const; + virtual GameList detectGames(const Common::FSList &fslist) const; + virtual SaveStateList listSaves(const char *target) const; + virtual int getMaximumSaveSlot() const; + virtual void removeSaveState(const char *target, int slot) const; + + virtual Common::Error createInstance(OSystem *syst, Engine **engine) const; +}; + +const char *QueenMetaEngine::getName() const { + return "Queen"; +} + +const char *QueenMetaEngine::getOriginalCopyright() const { + return "Flight of the Amazon Queen (C) John Passfield and Steve Stamatiadis"; +} + +bool QueenMetaEngine::hasFeature(MetaEngineFeature f) const { + return + (f == kSupportsListSaves) || + (f == kSupportsLoadingDuringStartup) || + (f == kSupportsDeleteSave); +} + +bool Queen::QueenEngine::hasFeature(EngineFeature f) const { + return + (f == kSupportsRTL) || + (f == kSupportsLoadingDuringRuntime) || + (f == kSupportsSavingDuringRuntime) || + (f == kSupportsSubtitleOptions); +} + +GameList QueenMetaEngine::getSupportedGames() const { + GameList games; + games.push_back(queenGameDescriptor); + return games; +} + +int QueenMetaEngine::getMaximumSaveSlot() const { return 99; } + +const ExtraGuiOptions QueenMetaEngine::getExtraGuiOptions(const Common::String &target) const { + Common::String guiOptions; + ExtraGuiOptions options; + + if (target.empty()) { + options.push_back(queenExtraGuiOption); + return options; + } + + if (ConfMan.hasKey("guioptions", target)) { + guiOptions = ConfMan.get("guioptions", target); + guiOptions = parseGameGUIOptions(guiOptions); + } + + if (!guiOptions.contains(GUIO_NOSPEECH)) + options.push_back(queenExtraGuiOption); + return options; +} + +GameDescriptor QueenMetaEngine::findGame(const char *gameid) const { + if (0 == scumm_stricmp(gameid, queenGameDescriptor.gameid)) { + return queenGameDescriptor; + } + return GameDescriptor(); +} + +GameList QueenMetaEngine::detectGames(const Common::FSList &fslist) const { + GameList detectedGames; + + // Iterate over all files in the given directory + for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) { + if (file->isDirectory()) { + continue; + } + if (file->getName().equalsIgnoreCase("queen.1") || file->getName().equalsIgnoreCase("queen.1c")) { + Common::File dataFile; + if (!dataFile.open(*file)) { + continue; + } + Queen::DetectedGameVersion version; + if (Queen::Resource::detectVersion(&version, &dataFile)) { + GameDescriptor dg(queenGameDescriptor.gameid, queenGameDescriptor.description, version.language, version.platform); + if (version.features & Queen::GF_DEMO) { + dg.updateDesc("Demo"); + dg.setGUIOptions(GUIO_NOSPEECH); + } else if (version.features & Queen::GF_INTERVIEW) { + dg.updateDesc("Interview"); + dg.setGUIOptions(GUIO_NOSPEECH); + } else if (version.features & Queen::GF_FLOPPY) { + dg.updateDesc("Floppy"); + dg.setGUIOptions(GUIO_NOSPEECH); + } else if (version.features & Queen::GF_TALKIE) { + dg.updateDesc("Talkie"); + } + detectedGames.push_back(dg); + break; + } + } + } + return detectedGames; +} + +SaveStateList QueenMetaEngine::listSaves(const char *target) const { + Common::SaveFileManager *saveFileMan = g_system->getSavefileManager(); + Common::StringArray filenames; + char saveDesc[32]; + Common::String pattern("queen.s??"); + + filenames = saveFileMan->listSavefiles(pattern); + sort(filenames.begin(), filenames.end()); // Sort (hopefully ensuring we are sorted numerically..) + + SaveStateList saveList; + for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) { + // Obtain the last 2 digits of the filename, since they correspond to the save slot + int slotNum = atoi(file->c_str() + file->size() - 2); + + if (slotNum >= 0 && slotNum <= 99) { + Common::InSaveFile *in = saveFileMan->openForLoading(*file); + if (in) { + for (int i = 0; i < 4; i++) + in->readUint32BE(); + in->read(saveDesc, 32); + saveList.push_back(SaveStateDescriptor(slotNum, saveDesc)); + delete in; + } + } + } + + return saveList; +} + +void QueenMetaEngine::removeSaveState(const char *target, int slot) const { + Common::String filename = target; + filename += Common::String::format(".s%02d", slot); + + g_system->getSavefileManager()->removeSavefile(filename); +} + +Common::Error QueenMetaEngine::createInstance(OSystem *syst, Engine **engine) const { + assert(engine); + *engine = new Queen::QueenEngine(syst); + return Common::kNoError; +} + +#if PLUGIN_ENABLED_DYNAMIC(QUEEN) + REGISTER_PLUGIN_DYNAMIC(QUEEN, PLUGIN_TYPE_ENGINE, QueenMetaEngine); +#else + REGISTER_PLUGIN_STATIC(QUEEN, PLUGIN_TYPE_ENGINE, QueenMetaEngine); +#endif |