Add 'meshmc/' from commit 'fad6a1066616b69d7f5fef01178efdf014c59537'

git-subtree-dir: meshmc
git-subtree-mainline: 934382c8a1ce738589dee9ee0f14e1cec812770e
git-subtree-split: fad6a1066616b69d7f5fef01178efdf014c59537

1 files changed, 103 insertions, 0 deletions

diff --git a/meshmc/launcher/NullInstance.h b/meshmc/launcher/NullInstance.h
new file mode 100644
index 0000000000..834f7413b5
--- /dev/null
+++ b/meshmc/launcher/NullInstance.h
@@ -0,0 +1,103 @@
+/* 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 "BaseInstance.h"
+#include "launch/LaunchTask.h"
+
+class NullInstance : public BaseInstance
+{
+	Q_OBJECT
+  public:
+	NullInstance(SettingsObjectPtr globalSettings, SettingsObjectPtr settings,
+				 const QString& rootDir)
+		: BaseInstance(globalSettings, settings, rootDir)
+	{
+		setVersionBroken(true);
+	}
+	virtual ~NullInstance() {};
+	void saveNow() override {}
+	QString getStatusbarDescription() override
+	{
+		return tr("Unknown instance type");
+	};
+	QSet<QString> traits() const override
+	{
+		return {};
+	};
+	QString instanceConfigFolder() const override
+	{
+		return instanceRoot();
+	};
+	shared_qobject_ptr<LaunchTask>
+	createLaunchTask(AuthSessionPtr, MinecraftServerTargetPtr) override
+	{
+		return nullptr;
+	}
+	shared_qobject_ptr<Task> createUpdateTask(Net::Mode mode) override
+	{
+		return nullptr;
+	}
+	QProcessEnvironment createEnvironment() override
+	{
+		return QProcessEnvironment();
+	}
+	QMap<QString, QString> getVariables() const override
+	{
+		return QMap<QString, QString>();
+	}
+	IPathMatcher::Ptr getLogFileMatcher() override
+	{
+		return nullptr;
+	}
+	QString getLogFileRoot() override
+	{
+		return instanceRoot();
+	}
+	QString typeName() const override
+	{
+		return "Null";
+	}
+	bool canExport() const override
+	{
+		return false;
+	}
+	bool canEdit() const override
+	{
+		return false;
+	}
+	bool canLaunch() const override
+	{
+		return false;
+	}
+	QStringList
+	verboseDescription(AuthSessionPtr session,
+					   MinecraftServerTargetPtr serverToJoin) override
+	{
+		QStringList out;
+		out << "Null instance - placeholder.";
+		return out;
+	}
+	QString modsRoot() const override
+	{
+		return QString();
+	}
+};