Add 'meshmc/' from commit 'fad6a1066616b69d7f5fef01178efdf014c59537'

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

1 files changed, 84 insertions, 0 deletions

diff --git a/meshmc/launcher/InstanceCopyTask.cpp b/meshmc/launcher/InstanceCopyTask.cpp
new file mode 100644
index 0000000000..1cb6c2ac08
--- /dev/null
+++ b/meshmc/launcher/InstanceCopyTask.cpp
@@ -0,0 +1,84 @@
+/* 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 "InstanceCopyTask.h"
+#include "settings/INISettingsObject.h"
+#include "FileSystem.h"
+#include "NullInstance.h"
+#include "pathmatcher/RegexpMatcher.h"
+#include <QtConcurrentRun>
+
+InstanceCopyTask::InstanceCopyTask(InstancePtr origInstance, bool copySaves,
+								   bool keepPlaytime)
+{
+	m_origInstance = origInstance;
+	m_keepPlaytime = keepPlaytime;
+
+	if (!copySaves) {
+		// FIXME: get this from the original instance type...
+		auto matcherReal = new RegexpMatcher("[.]?minecraft/saves");
+		matcherReal->caseSensitive(false);
+		m_matcher.reset(matcherReal);
+	}
+}
+
+void InstanceCopyTask::executeTask()
+{
+	setStatus(tr("Copying instance %1").arg(m_origInstance->name()));
+
+	FS::copy folderCopy(m_origInstance->instanceRoot(), m_stagingPath);
+	folderCopy.followSymlinks(false).blacklist(m_matcher.get());
+
+	m_copyFuture = QtConcurrent::run(QThreadPool::globalInstance(), folderCopy);
+	connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::finished, this,
+			&InstanceCopyTask::copyFinished);
+	connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::canceled, this,
+			&InstanceCopyTask::copyAborted);
+	m_copyFutureWatcher.setFuture(m_copyFuture);
+}
+
+void InstanceCopyTask::copyFinished()
+{
+	auto successful = m_copyFuture.result();
+	if (!successful) {
+		emitFailed(tr("Instance folder copy failed."));
+		return;
+	}
+	// FIXME: shouldn't this be able to report errors?
+	auto instanceSettings = std::make_shared<INISettingsObject>(
+		FS::PathCombine(m_stagingPath, "instance.cfg"));
+	instanceSettings->registerSetting("InstanceType", "Legacy");
+
+	InstancePtr inst(
+		new NullInstance(m_globalSettings, instanceSettings, m_stagingPath));
+	inst->setName(m_instName);
+	inst->setIconKey(m_instIcon);
+	if (!m_keepPlaytime) {
+		inst->resetTimePlayed();
+	}
+	emitSucceeded();
+}
+
+void InstanceCopyTask::copyAborted()
+{
+	emitFailed(tr("Instance folder copy has been aborted."));
+	return;
+}