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Diffstat (limited to 'engines/titanic/detection.cpp')
-rw-r--r-- | engines/titanic/detection.cpp | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/engines/titanic/detection.cpp b/engines/titanic/detection.cpp new file mode 100644 index 0000000000..86d26f2f27 --- /dev/null +++ b/engines/titanic/detection.cpp @@ -0,0 +1,189 @@ +/* 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 "titanic/titanic.h" +#include "titanic/core/project_item.h" +#include "titanic/support/simple_file.h" + +#include "base/plugins.h" +#include "common/savefile.h" +#include "common/str-array.h" +#include "common/memstream.h" +#include "engines/advancedDetector.h" +#include "common/system.h" +#include "graphics/colormasks.h" +#include "graphics/surface.h" + +#define MAX_SAVES 99 + +namespace Titanic { + +struct TitanicGameDescription { + ADGameDescription desc; +}; + +uint32 TitanicEngine::getFeatures() const { + return _gameDescription->desc.flags; +} + +bool TitanicEngine::isDemo() const { + return (bool)(_gameDescription->desc.flags & ADGF_DEMO); +} + +Common::Language TitanicEngine::getLanguage() const { + return _gameDescription->desc.language; +} + +} // End of namespace Titanic + +static const PlainGameDescriptor TitanicGames[] = { + {"titanic", "Starship Titanic"}, + {0, 0} +}; + +#include "titanic/detection_tables.h" + +class TitanicMetaEngine : public AdvancedMetaEngine { +public: + TitanicMetaEngine() : AdvancedMetaEngine(Titanic::gameDescriptions, sizeof(Titanic::TitanicGameDescription), TitanicGames) { + _maxScanDepth = 3; + } + + virtual const char *getName() const { + return "Titanic Engine"; + } + + virtual const char *getOriginalCopyright() const { + return "Titanic Engine (c)"; + } + + virtual bool hasFeature(MetaEngineFeature f) const; + virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const; + virtual SaveStateList listSaves(const char *target) const; + virtual int getMaximumSaveSlot() const; + virtual void removeSaveState(const char *target, int slot) const; + SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const; +}; + +bool TitanicMetaEngine::hasFeature(MetaEngineFeature f) const { + return + (f == kSupportsListSaves) || + (f == kSupportsLoadingDuringStartup) || + (f == kSupportsDeleteSave) || + (f == kSavesSupportMetaInfo) || + (f == kSavesSupportThumbnail); +} + +bool Titanic::TitanicEngine::hasFeature(EngineFeature f) const { + return + (f == kSupportsRTL) || + (f == kSupportsLoadingDuringRuntime) || + (f == kSupportsSavingDuringRuntime); +} + +bool TitanicMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const { + const Titanic::TitanicGameDescription *gd = (const Titanic::TitanicGameDescription *)desc; + *engine = new Titanic::TitanicEngine(syst, gd); + + return gd != 0; +} + +SaveStateList TitanicMetaEngine::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); + Titanic::TitanicSavegameHeader 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 < MAX_SAVES) { + Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(*file); + + if (in) { + Titanic::CompressedFile cf; + cf.open(in); + + if (Titanic::CProjectItem::readSavegameHeader(&cf, header)) + saveList.push_back(SaveStateDescriptor(slot, header._saveName)); + + if (header._thumbnail) { + header._thumbnail->free(); + delete header._thumbnail; + } + + cf.close(); + } + } + } + + // Sort saves based on slot number. + Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator()); + return saveList; +} + +int TitanicMetaEngine::getMaximumSaveSlot() const { + return MAX_SAVES; +} + +void TitanicMetaEngine::removeSaveState(const char *target, int slot) const { + Common::String filename = Common::String::format("%s.%03d", target, slot); + g_system->getSavefileManager()->removeSavefile(filename); +} + +SaveStateDescriptor TitanicMetaEngine::querySaveMetaInfos(const char *target, int slot) const { + Common::String filename = Common::String::format("%s.%03d", target, slot); + Common::InSaveFile *f = g_system->getSavefileManager()->openForLoading(filename); + + if (f) { + Titanic::CompressedFile file; + file.open(f); + + Titanic::TitanicSavegameHeader header; + Titanic::CProjectItem::readSavegameHeader(&file, header); + + file.close(); + + // Create the return descriptor + SaveStateDescriptor desc(slot, header._saveName); + desc.setThumbnail(header._thumbnail); + desc.setSaveDate(header._year, header._month, header._day); + desc.setSaveTime(header._hour, header._minute); + desc.setPlayTime(header._totalFrames * GAME_FRAME_TIME); + + return desc; + } + + return SaveStateDescriptor(); +} + + +#if PLUGIN_ENABLED_DYNAMIC(TITANIC) + REGISTER_PLUGIN_DYNAMIC(TITANIC, PLUGIN_TYPE_ENGINE, TitanicMetaEngine); +#else + REGISTER_PLUGIN_STATIC(TITANIC, PLUGIN_TYPE_ENGINE, TitanicMetaEngine); +#endif |