1 files changed, 140 insertions, 0 deletions
diff --git a/meshmc/launcher/meta/Version.h b/meshmc/launcher/meta/Version.h
new file mode 100644
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+++ b/meshmc/launcher/meta/Version.h
@@ -0,0 +1,140 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   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 <https://www.gnu.org/licenses/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2015-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "BaseVersion.h"
+
+#include <QJsonObject>
+#include <QStringList>
+#include <QVector>
+#include <memory>
+
+#include "minecraft/VersionFile.h"
+
+#include "BaseEntity.h"
+
+#include "JsonFormat.h"
+
+namespace Meta
+{
+	using VersionPtr = std::shared_ptr<class Version>;
+
+	class Version : public QObject, public BaseVersion, public BaseEntity
+	{
+		Q_OBJECT
+
+	  public: /* con/des */
+		explicit Version(const QString& uid, const QString& version);
+		virtual ~Version();
+
+		QString descriptor() override;
+		QString name() override;
+		QString typeString() const override;
+
+		QString uid() const
+		{
+			return m_uid;
+		}
+		QString version() const
+		{
+			return m_version;
+		}
+		QString type() const
+		{
+			return m_type;
+		}
+		QDateTime time() const;
+		qint64 rawTime() const
+		{
+			return m_time;
+		}
+		const Meta::RequireSet& requirements() const
+		{
+			return m_requires;
+		}
+		VersionFilePtr data() const
+		{
+			return m_data;
+		}
+		bool isRecommended() const
+		{
+			return m_recommended;
+		}
+		bool isLoaded() const
+		{
+			return m_data != nullptr;
+		}
+
+		void merge(const VersionPtr& other);
+		void mergeFromList(const VersionPtr& other);
+		void parse(const QJsonObject& obj) override;
+
+		QString localFilename() const override;
+
+	  public: // for usage by format parsers only
+		void setType(const QString& type);
+		void setTime(const qint64 time);
+		void setRequires(const Meta::RequireSet& requirements,
+						 const Meta::RequireSet& conflicts);
+		void setVolatile(bool volatile_);
+		void setRecommended(bool recommended);
+		void setProvidesRecommendations();
+		void setData(const VersionFilePtr& data);
+
+	  signals:
+		void typeChanged();
+		void timeChanged();
+		void requiresChanged();
+
+	  private:
+		bool m_providesRecommendations = false;
+		bool m_recommended = false;
+		QString m_name;
+		QString m_uid;
+		QString m_version;
+		QString m_type;
+		qint64 m_time = 0;
+		Meta::RequireSet m_requires;
+		Meta::RequireSet m_conflicts;
+		bool m_volatile = false;
+		VersionFilePtr m_data;
+	};
+} // namespace Meta
+
+Q_DECLARE_METATYPE(Meta::VersionPtr)