MADS: Split detection features & adapt to new plugins.

engines/mads/metaengine.cpp

@@ -0,0 +1,174 @@
+/* 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 "mads/mads.h"
+
+#include "base/plugins.h"
+#include "engines/advancedDetector.h"
+
+#include "common/savefile.h"
+#include "common/str-array.h"
+#include "common/memstream.h"
+#include "common/system.h"
+#include "common/translation.h"
+#include "graphics/surface.h"
+
+#include "mads/events.h"
+#include "mads/game.h"
+#include "mads/detection.h"
+
+#define MAX_SAVES 99
+
+namespace MADS {
+
+uint32 MADSEngine::getGameID() const {
+	return _gameDescription->gameID;
+}
+
+uint32 MADSEngine::getGameFeatures() const {
+	return _gameDescription->features;
+}
+
+uint32 MADSEngine::getFeatures() const {
+	return _gameDescription->desc.flags;
+}
+
+Common::Language MADSEngine::getLanguage() const {
+	return _gameDescription->desc.language;
+}
+
+Common::Platform MADSEngine::getPlatform() const {
+	return _gameDescription->desc.platform;
+}
+
+} // End of namespace MADS
+
+class MADSMetaEngineConnect : public AdvancedMetaEngineConnect {
+public:
+	const char *getName() const override {
+		return "mads";
+	}
+
+    bool hasFeature(MetaEngineFeature f) const override;
+	bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const override;
+
+	SaveStateList listSaves(const char *target) const override;
+	int getMaximumSaveSlot() const override;
+	void removeSaveState(const char *target, int slot) const override;
+	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const override;
+};
+
+bool MADSMetaEngineConnect::hasFeature(MetaEngineFeature f) const {
+	return
+	    (f == kSupportsListSaves) ||
+		(f == kSupportsLoadingDuringStartup) ||
+		(f == kSupportsDeleteSave) ||
+		(f == kSavesSupportMetaInfo) ||
+		(f == kSavesSupportThumbnail) ||
+		(f == kSimpleSavesNames);
+}
+
+bool MADS::MADSEngine::hasFeature(EngineFeature f) const {
+	return
+		(f == kSupportsReturnToLauncher) ||
+		(f == kSupportsLoadingDuringRuntime) ||
+		(f == kSupportsSavingDuringRuntime);
+}
+
+bool MADSMetaEngineConnect::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
+	const MADS::MADSGameDescription *gd = (const MADS::MADSGameDescription *)desc;
+	if (gd) {
+		*engine = new MADS::MADSEngine(syst, gd);
+	}
+	return gd != 0;
+}
+
+SaveStateList MADSMetaEngineConnect::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);
+	MADS::MADSSavegameHeader 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) {
+				if (MADS::Game::readSavegameHeader(in, header))
+					saveList.push_back(SaveStateDescriptor(slot, header._saveName));
+				delete in;
+			}
+		}
+	}
+
+	// Sort saves based on slot number.
+	Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator());
+	return saveList;
+}
+
+int MADSMetaEngineConnect::getMaximumSaveSlot() const {
+	return MAX_SAVES;
+}
+
+void MADSMetaEngineConnect::removeSaveState(const char *target, int slot) const {
+	Common::String filename = Common::String::format("%s.%03d", target, slot);
+	g_system->getSavefileManager()->removeSavefile(filename);
+}
+
+SaveStateDescriptor MADSMetaEngineConnect::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) {
+		MADS::MADSSavegameHeader header;
+		if (!MADS::Game::readSavegameHeader(f, header, false)) {
+			delete f;
+			return SaveStateDescriptor();
+		}
+		delete f;
+
+		// 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(MADS)
+	REGISTER_PLUGIN_DYNAMIC(MADS, PLUGIN_TYPE_ENGINE, MADSMetaEngineConnect);
+#else
+	REGISTER_PLUGIN_STATIC(MADS, PLUGIN_TYPE_ENGINE, MADSMetaEngineConnect);
+#endif