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diff --git a/meshmc/launcher/RecursiveFileSystemWatcher.h b/meshmc/launcher/RecursiveFileSystemWatcher.h
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+++ b/meshmc/launcher/RecursiveFileSystemWatcher.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
+
+#include <QFileSystemWatcher>
+#include <QDir>
+#include "pathmatcher/IPathMatcher.h"
+
+class RecursiveFileSystemWatcher : public QObject
+{
+	Q_OBJECT
+  public:
+	RecursiveFileSystemWatcher(QObject* parent);
+
+	void setRootDir(const QDir& root);
+	QDir rootDir() const
+	{
+		return m_root;
+	}
+
+	// WARNING: setting this to true may be bad for performance
+	void setWatchFiles(const bool watchFiles);
+	bool watchFiles() const
+	{
+		return m_watchFiles;
+	}
+
+	void setMatcher(IPathMatcher::Ptr matcher)
+	{
+		m_matcher = matcher;
+	}
+
+	QStringList files() const
+	{
+		return m_files;
+	}
+
+  signals:
+	void filesChanged();
+	void fileChanged(const QString& path);
+
+  public slots:
+	void enable();
+	void disable();
+
+  private:
+	QDir m_root;
+	bool m_watchFiles = false;
+	bool m_isEnabled = false;
+	IPathMatcher::Ptr m_matcher;
+
+	QFileSystemWatcher* m_watcher;
+
+	QStringList m_files;
+	void setFiles(const QStringList& files);
+
+	void addFilesToWatcherRecursive(const QDir& dir);
+	QStringList scanRecursive(const QDir& dir);
+
+  private slots:
+	void fileChange(const QString& path);
+	void directoryChange(const QString& path);
+};