feat: worldSave parsing and validation

Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com>

launcher/minecraft/mod/WorldSave.h

@@ -0,0 +1,67 @@
+// SPDX-FileCopyrightText: 2022 Rachel Powers <508861+Ryex@users.noreply.github.com>
+//
+// SPDX-License-Identifier: GPL-3.0-only
+
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2022 Rachel Powers <508861+Ryex@users.noreply.github.com>
+ *
+ *  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, version 3.
+ *
+ *  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 <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "Resource.h"
+
+#include <QMutex>
+
+class Version;
+
+enum WorldSaveFormat {
+	SINGLE,
+	MULTI,
+	INVALID
+};
+
+class WorldSave : public Resource {
+    Q_OBJECT
+   public:
+    using Ptr = shared_qobject_ptr<Resource>;
+
+    WorldSave(QObject* parent = nullptr) : Resource(parent) {}
+    WorldSave(QFileInfo file_info) : Resource(file_info) {}
+
+    /** Gets the format of the save. */
+    [[nodiscard]] WorldSaveFormat saveFormat() const { return m_save_format; }
+    /** Gets the name of the save dir (first found in multi mode). */
+    [[nodiscard]] QString saveDirName() const { return m_save_dir_name; }
+
+    /** Thread-safe. */
+    void setSaveFormat(WorldSaveFormat new_save_format);
+    /** Thread-safe. */
+    void setSaveDirName(QString dir_name);
+
+    bool valid() const override;
+
+
+   protected:
+    mutable QMutex m_data_lock;
+
+    /* The 'version' of a resource pack, as defined in the pack.mcmeta file.
+     * See https://minecraft.fandom.com/wiki/Tutorials/Creating_a_resource_pack#Formatting_pack.mcmeta
+     */
+    WorldSaveFormat m_save_format = WorldSaveFormat::INVALID;
+
+		QString m_save_dir_name;
+
+};