1 files changed, 138 insertions, 0 deletions
diff --git a/meshmc/launcher/launch/LaunchTask.h b/meshmc/launcher/launch/LaunchTask.h
new file mode 100644
index 0000000000..12a5c068c3
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+++ b/meshmc/launcher/launch/LaunchTask.h
@@ -0,0 +1,138 @@
+/* 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/>.
+ *
+ *  This file incorporates work covered by the following copyright and
+ *  permission notice:
+ *
+ * Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+#include <QProcess>
+#include <QObjectPtr.h>
+#include "LogModel.h"
+#include "BaseInstance.h"
+#include "MessageLevel.h"
+#include "LoggedProcess.h"
+#include "LaunchStep.h"
+
+class LaunchTask : public Task
+{
+	Q_OBJECT
+  protected:
+	explicit LaunchTask(InstancePtr instance);
+	void init();
+
+  public:
+	enum State { NotStarted, Running, Waiting, Failed, Aborted, Finished };
+
+  public: /* methods */
+	static shared_qobject_ptr<LaunchTask> create(InstancePtr inst);
+	virtual ~LaunchTask() {};
+
+	void appendStep(shared_qobject_ptr<LaunchStep> step);
+	void prependStep(shared_qobject_ptr<LaunchStep> step);
+	void setCensorFilter(QMap<QString, QString> filter);
+
+	InstancePtr instance()
+	{
+		return m_instance;
+	}
+
+	void setPid(qint64 pid)
+	{
+		m_pid = pid;
+	}
+
+	qint64 pid()
+	{
+		return m_pid;
+	}
+
+	/**
+	 * @brief prepare the process for launch (for multi-stage launch)
+	 */
+	virtual void executeTask() override;
+
+	/**
+	 * @brief launch the armed instance
+	 */
+	void proceed();
+
+	/**
+	 * @brief abort launch
+	 */
+	bool abort() override;
+
+	bool canAbort() const override;
+
+	shared_qobject_ptr<LogModel> getLogModel();
+
+  public:
+	QString substituteVariables(const QString& cmd) const;
+	QString censorPrivateInfo(QString in);
+
+  protected: /* methods */
+	virtual void emitFailed(QString reason) override;
+	virtual void emitSucceeded() override;
+
+  signals:
+	/**
+	 * @brief emitted when the launch preparations are done
+	 */
+	void readyForLaunch();
+
+	void requestProgress(Task* task);
+
+	void requestLogging();
+
+  public slots:
+	void onLogLines(const QStringList& lines,
+					MessageLevel::Enum defaultLevel = MessageLevel::MeshMC);
+	void onLogLine(QString line,
+				   MessageLevel::Enum defaultLevel = MessageLevel::MeshMC);
+	void onReadyForLaunch();
+	void onStepFinished();
+	void onProgressReportingRequested();
+
+  private: /*methods */
+	void finalizeSteps(bool successful, const QString& error);
+
+  protected: /* data */
+	InstancePtr m_instance;
+	shared_qobject_ptr<LogModel> m_logModel;
+	QList<shared_qobject_ptr<LaunchStep>> m_steps;
+	QMap<QString, QString> m_censorFilter;
+	int currentStep = -1;
+	State state = NotStarted;
+	qint64 m_pid = -1;
+};