1 files changed, 77 insertions, 0 deletions
diff --git a/meshmc/launcher/tasks/SequentialTask.cpp b/meshmc/launcher/tasks/SequentialTask.cpp
new file mode 100644
index 0000000000..12dcd92818
--- /dev/null
+++ b/meshmc/launcher/tasks/SequentialTask.cpp
@@ -0,0 +1,77 @@
+/* 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 "SequentialTask.h"
+
+SequentialTask::SequentialTask(QObject* parent)
+	: Task(parent), m_currentIndex(-1)
+{
+}
+
+void SequentialTask::addTask(Task::Ptr task)
+{
+	m_queue.append(task);
+}
+
+void SequentialTask::executeTask()
+{
+	m_currentIndex = -1;
+	startNext();
+}
+
+void SequentialTask::startNext()
+{
+	if (m_currentIndex != -1) {
+		Task::Ptr previous = m_queue[m_currentIndex];
+		disconnect(previous.get(), 0, this, 0);
+	}
+	m_currentIndex++;
+	if (m_queue.isEmpty() || m_currentIndex >= m_queue.size()) {
+		emitSucceeded();
+		return;
+	}
+	Task::Ptr next = m_queue[m_currentIndex];
+	connect(next.get(), SIGNAL(failed(QString)), this,
+			SLOT(subTaskFailed(QString)));
+	connect(next.get(), SIGNAL(status(QString)), this,
+			SLOT(subTaskStatus(QString)));
+	connect(next.get(), SIGNAL(progress(qint64, qint64)), this,
+			SLOT(subTaskProgress(qint64, qint64)));
+	connect(next.get(), SIGNAL(succeeded()), this, SLOT(startNext()));
+	next->start();
+}
+
+void SequentialTask::subTaskFailed(const QString& msg)
+{
+	emitFailed(msg);
+}
+void SequentialTask::subTaskStatus(const QString& msg)
+{
+	setStatus(msg);
+}
+void SequentialTask::subTaskProgress(qint64 current, qint64 total)
+{
+	if (total == 0) {
+		setProgress(0, 100);
+		return;
+	}
+	setProgress(current, total);
+}