1 files changed, 62 insertions, 0 deletions
diff --git a/meshmc/launcher/minecraft/OneSixVersionFormat.h b/meshmc/launcher/minecraft/OneSixVersionFormat.h
new file mode 100644
index 0000000000..64d7bbf40d
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+++ b/meshmc/launcher/minecraft/OneSixVersionFormat.h
@@ -0,0 +1,62 @@
+/* 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/>.
+ */
+
+#pragma once
+
+#include <minecraft/VersionFile.h>
+#include <minecraft/PackProfile.h>
+#include <minecraft/Library.h>
+#include <QJsonDocument>
+#include <ProblemProvider.h>
+
+class OneSixVersionFormat
+{
+  public:
+	// version files / profile patches
+	static VersionFilePtr versionFileFromJson(const QJsonDocument& doc,
+											  const QString& filename,
+											  const bool requireOrder);
+	static QJsonDocument versionFileToJson(const VersionFilePtr& patch);
+
+	// libraries
+	static LibraryPtr libraryFromJson(ProblemContainer& problems,
+									  const QJsonObject& libObj,
+									  const QString& filename);
+	static QJsonObject libraryToJson(Library* library);
+
+	// DEPRECATED: old 'plus' jar mods generated by the application
+	static LibraryPtr plusJarModFromJson(ProblemContainer& problems,
+										 const QJsonObject& libObj,
+										 const QString& filename,
+										 const QString& originalName);
+
+	// new jar mods derived from libraries
+	static LibraryPtr jarModFromJson(ProblemContainer& problems,
+									 const QJsonObject& libObj,
+									 const QString& filename);
+	static QJsonObject jarModtoJson(Library* jarmod);
+
+	// mods, also derived from libraries
+	static LibraryPtr modFromJson(ProblemContainer& problems,
+								  const QJsonObject& libObj,
+								  const QString& filename);
+	static QJsonObject modtoJson(Library* jarmod);
+};