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engines/agds/metaengine.cpp

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "agds/agds.h"
+#include "agds/object.h"
+#include "base/plugins.h"
+#include "common/savefile.h"
+#include "common/system.h"
+#include "engines/advancedDetector.h"
+
+class AGDSMetaEngine : public AdvancedMetaEngine<ADGameDescription> {
+public:
+	Common::Error createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const override;
+
+	bool hasFeature(MetaEngineFeature f) const override {
+		switch (f) {
+		case kSimpleSavesNames:
+			return true;
+		default:
+			return false;
+		}
+	}
+
+	const char *getName() const override {
+		return "agds";
+	}
+
+	int getMaximumSaveSlot() const override {
+		return 24;
+	}
+
+	SaveStateList listSaves(const char *target) const override {
+		Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
+		Common::StringArray filenames;
+		Common::String pattern(getSavegameFilePattern(target));
+
+		filenames = saveFileMan->listSavefiles(pattern);
+
+		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 <= getMaximumSaveSlot()) {
+				SaveStateDescriptor desc;
+
+				desc.setSaveSlot(slotNum);
+				desc.setDescription(*file);
+				if (slotNum == getAutosaveSlot())
+					desc.setWriteProtectedFlag(true);
+
+				saveList.push_back(desc);
+			}
+		}
+
+		// Sort saves based on slot number.
+		Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator());
+		return saveList;
+	}
+};
+
+Common::Error AGDSMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
+	*engine = new AGDS::AGDSEngine(syst, desc);
+	return Common::Error(Common::kNoError);
+}
+
+#if PLUGIN_ENABLED_DYNAMIC(AGDS)
+REGISTER_PLUGIN_DYNAMIC(AGDS, PLUGIN_TYPE_ENGINE, AGDSMetaEngine);
+#else
+REGISTER_PLUGIN_STATIC(AGDS, PLUGIN_TYPE_ENGINE, AGDSMetaEngine);
+#endif