Initial commit

engines/mm/xeen/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 "common/system.h"
+#include "mm/xeen/metaengine.h"
+#include "mm/xeen/events.h"
+#include "mm/xeen/saves.h"
+
+namespace MM {
+namespace Xeen {
+
+#define MAX_SAVES 999
+
+SaveStateDescriptor XeenMetaEngine::querySaveMetaInfos(const MetaEngine *metaEngine,
+		const char *target, int slot) {
+	Common::String filename = Common::String::format("%s.%03d", target, slot);
+	Common::InSaveFile *f = g_system->getSavefileManager()->openForLoading(filename);
+
+	if (f) {
+		XeenSavegameHeader header;
+		if (!SavesManager::readSavegameHeader(f, header, false)) {
+			delete f;
+			return SaveStateDescriptor();
+		}
+
+		delete f;
+
+		// Create the return descriptor
+		SaveStateDescriptor desc(metaEngine, 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();
+}
+
+SaveStateList XeenMetaEngine::listSaves(const MetaEngine *metaEngine, const char *target) {
+	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
+	Common::StringArray filenames;
+	Common::String saveDesc;
+	Common::String pattern = Common::String::format("%s.###", target);
+	MM::Xeen::XeenSavegameHeader 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 (MM::Xeen::SavesManager::readSavegameHeader(in, header))
+					saveList.push_back(SaveStateDescriptor(metaEngine, slot, header._saveName));
+
+				delete in;
+			}
+		}
+	}
+
+	Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator());
+	return saveList;
+}
+
+} // End of namespace Xeen
+} // End of namespace MM