1 files changed, 80 insertions, 0 deletions
diff --git a/meshmc/launcher/minecraft/VersionFile.cpp b/meshmc/launcher/minecraft/VersionFile.cpp
new file mode 100644
index 0000000000..59fb779b28
--- /dev/null
+++ b/meshmc/launcher/minecraft/VersionFile.cpp
@@ -0,0 +1,80 @@
+/* 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/>.
+ */
+
+#include <QJsonArray>
+#include <QJsonDocument>
+
+#include <QDebug>
+
+#include "minecraft/VersionFile.h"
+#include "minecraft/Library.h"
+#include "minecraft/PackProfile.h"
+#include "ParseUtils.h"
+
+#include <Version.h>
+
+static bool isMinecraftVersion(const QString& uid)
+{
+	return uid == "net.minecraft";
+}
+
+void VersionFile::applyTo(LaunchProfile* profile)
+{
+	// Only real Minecraft can set those. Don't let anything override them.
+	if (isMinecraftVersion(uid)) {
+		profile->applyMinecraftVersion(minecraftVersion);
+		profile->applyMinecraftVersionType(type);
+		// HACK: ignore assets from other version files than Minecraft
+		// workaround for stupid assets issue caused by amazon:
+		// https://www.theregister.co.uk/2017/02/28/aws_is_awol_as_s3_goes_haywire/
+		profile->applyMinecraftAssets(mojangAssetIndex);
+	}
+
+	profile->applyMainJar(mainJar);
+	profile->applyMainClass(mainClass);
+	profile->applyAppletClass(appletClass);
+	profile->applyMinecraftArguments(minecraftArguments);
+	profile->applyTweakers(addTweakers);
+	profile->applyJarMods(jarMods);
+	profile->applyMods(mods);
+	profile->applyTraits(traits);
+
+	for (auto library : libraries) {
+		profile->applyLibrary(library);
+	}
+	for (auto mavenFile : mavenFiles) {
+		profile->applyMavenFile(mavenFile);
+	}
+	profile->applyProblemSeverity(getProblemSeverity());
+}
+
+/*
+	auto theirVersion = profile->getMinecraftVersion();
+	if (!theirVersion.isNull() && !dependsOnMinecraftVersion.isNull())
+	{
+		if (QRegExp(dependsOnMinecraftVersion, Qt::CaseInsensitive,
+   QRegExp::Wildcard).indexIn(theirVersion) == -1)
+		{
+			throw MinecraftVersionMismatch(uid, dependsOnMinecraftVersion,
+   theirVersion);
+		}
+	}
+*/