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Diffstat (limited to 'engines/gnap/detection.cpp')
| -rw-r--r-- | engines/gnap/detection.cpp | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/engines/gnap/detection.cpp b/engines/gnap/detection.cpp new file mode 100644 index 0000000000..7e4ab56d1f --- /dev/null +++ b/engines/gnap/detection.cpp @@ -0,0 +1,196 @@ +/* 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 "gnap/gnap.h" + +#include "common/config-manager.h" +#include "engines/advancedDetector.h" +#include "common/savefile.h" +#include "common/system.h" +#include "base/plugins.h" +#include "graphics/thumbnail.h" + +static const PlainGameDescriptor gnapGames[] = { + { "gnap", "Gnap" }, + { 0, 0 } +}; + +namespace Gnap { + +static const ADGameDescription gameDescriptions[] = { + { + "gnap", "", + { + {"stock_n.dat", 0, "46819043d019a2f36b727cc2bdd6980f", 12515823}, + AD_LISTEND + }, + Common::EN_ANY, Common::kPlatformWindows, ADGF_TESTING, GUIO0() + }, + { + "gnap", "", + { + {"stock_n.dat", 0, "46819043d019a2f36b727cc2bdd6980f", 12995485}, + AD_LISTEND + }, + Common::RU_RUS, Common::kPlatformWindows, ADGF_TESTING, GUIO0() + }, + + AD_TABLE_END_MARKER +}; + +} // End of namespace Gnap + +class GnapMetaEngine : public AdvancedMetaEngine { +public: + GnapMetaEngine() : AdvancedMetaEngine(Gnap::gameDescriptions, sizeof(ADGameDescription), gnapGames) { + _singleId = "gnap"; + _maxScanDepth = 3; + } + + virtual const char *getName() const { + return "Gnap"; + } + + virtual const char *getOriginalCopyright() const { + return "Gnap (C) Artech Digital Entertainment 1997"; + } + + virtual bool hasFeature(MetaEngineFeature f) const; + virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const; + virtual int getMaximumSaveSlot() const; + virtual SaveStateList listSaves(const char *target) const; + SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const; + virtual void removeSaveState(const char *target, int slot) const; +}; + +bool GnapMetaEngine::hasFeature(MetaEngineFeature f) const { + return + (f == kSupportsListSaves) || + (f == kSupportsLoadingDuringStartup) || + (f == kSupportsDeleteSave) || + (f == kSavesSupportMetaInfo) || + (f == kSavesSupportThumbnail) || + (f == kSavesSupportCreationDate); +} + +bool Gnap::GnapEngine::hasFeature(EngineFeature f) const { + return + (f == kSupportsRTL) || + (f == kSupportsLoadingDuringRuntime) || + (f == kSupportsSavingDuringRuntime); +} + +void GnapMetaEngine::removeSaveState(const char *target, int slot) const { + Common::String fileName = Common::String::format("%s.%03d", target, slot); + g_system->getSavefileManager()->removeSavefile(fileName); +} + +int GnapMetaEngine::getMaximumSaveSlot() const { return 99; } + +SaveStateList GnapMetaEngine::listSaves(const char *target) const { + Common::SaveFileManager *saveFileMan = g_system->getSavefileManager(); + Common::StringArray filenames; + Common::String saveDesc; + Common::String pattern = Common::String::format("%s.0##", target); + Gnap::GnapSavegameHeader header; + + filenames = saveFileMan->listSavefiles(pattern); + + SaveStateList saveList; + for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) { + const char *ext = strrchr(file->c_str(), '.'); + int slot = ext ? atoi(ext + 1) : -1; + + if (slot >= 0 && slot < getMaximumSaveSlot()) { + Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(*file); + + if (in) { + Gnap::GnapEngine::readSavegameHeader(in, header); + saveList.push_back(SaveStateDescriptor(slot, header._saveName)); + + if (header._thumbnail) { + header._thumbnail->free(); + delete header._thumbnail; + } + delete in; + } + } + } + + // Sort saves based on slot number. + Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator()); + return saveList; +} + +SaveStateDescriptor GnapMetaEngine::querySaveMetaInfos(const char *target, int slot) const { + Common::String fileName = Common::String::format("%s.%03d", target, slot); + Common::InSaveFile *file = g_system->getSavefileManager()->openForLoading(fileName); + if (file) { + char saveIdentBuffer[5]; + file->read(saveIdentBuffer, 5); + + int32 version = file->readByte(); + if (version > GNAP_SAVEGAME_VERSION) { + delete file; + return SaveStateDescriptor(); + } + + Common::String saveName; + char ch; + while ((ch = (char)file->readByte()) != '\0') + saveName += ch; + + SaveStateDescriptor desc(slot, saveName); + + if (version != 1) { + Graphics::Surface *const thumbnail = Graphics::loadThumbnail(*file); + desc.setThumbnail(thumbnail); + } + + int year = file->readSint16LE(); + int month = file->readSint16LE(); + int day = file->readSint16LE(); + int hour = file->readSint16LE(); + int minutes = file->readSint16LE(); + + desc.setSaveDate(year, month, day); + desc.setSaveTime(hour, minutes); + + delete file; + return desc; + } + + return SaveStateDescriptor(); +} + +bool GnapMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const { + if (desc) { + *engine = new Gnap::GnapEngine(syst, desc); + } + return desc != 0; +} + +#if PLUGIN_ENABLED_DYNAMIC(GNAP) + REGISTER_PLUGIN_DYNAMIC(GNAP, PLUGIN_TYPE_ENGINE, GnapMetaEngine); +#else + REGISTER_PLUGIN_STATIC(GNAP, PLUGIN_TYPE_ENGINE, GnapMetaEngine); +#endif |