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diff --git a/meshmc/launcher/DefaultVariable.h b/meshmc/launcher/DefaultVariable.h
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+++ b/meshmc/launcher/DefaultVariable.h
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+/* 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
+
+template <typename T> class DefaultVariable
+{
+  public:
+	DefaultVariable(const T& value)
+	{
+		defaultValue = value;
+	}
+	DefaultVariable<T>& operator=(const T& value)
+	{
+		currentValue = value;
+		is_default = currentValue == defaultValue;
+		is_explicit = true;
+		return *this;
+	}
+	operator const T&() const
+	{
+		return is_default ? defaultValue : currentValue;
+	}
+	bool isDefault() const
+	{
+		return is_default;
+	}
+	bool isExplicit() const
+	{
+		return is_explicit;
+	}
+
+  private:
+	T currentValue;
+	T defaultValue;
+	bool is_default = true;
+	bool is_explicit = false;
+};