Add 'meshmc/' from commit 'fad6a1066616b69d7f5fef01178efdf014c59537'

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

1 files changed, 61 insertions, 0 deletions

diff --git a/meshmc/launcher/minecraft/launch/VerifyJavaInstall.h b/meshmc/launcher/minecraft/launch/VerifyJavaInstall.h
new file mode 100644
index 0000000000..f54717e403
--- /dev/null
+++ b/meshmc/launcher/minecraft/launch/VerifyJavaInstall.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 <launch/LaunchStep.h>
+#ifndef MeshMC_DISABLE_JAVA_DOWNLOADER
+#include "java/download/JavaRuntime.h"
+#include "java/download/JavaDownloadTask.h"
+#endif
+#include "net/NetJob.h"
+
+class VerifyJavaInstall : public LaunchStep
+{
+	Q_OBJECT
+
+  public:
+	explicit VerifyJavaInstall(LaunchTask* parent) : LaunchStep(parent) {};
+	~VerifyJavaInstall() override = default;
+
+	void executeTask() override;
+	bool canAbort() const override
+	{
+		return false;
+	}
+
+  private:
+	int determineRequiredJavaMajor() const;
+	QString findInstalledJava(int requiredMajor) const;
+	QString javaInstallDir() const;
+#ifndef MeshMC_DISABLE_JAVA_DOWNLOADER
+	void autoDownloadJava(int requiredMajor);
+	void fetchVersionList(int requiredMajor);
+	void fetchRuntimes(const QString& versionId, int requiredMajor);
+	void startDownload(const JavaDownload::RuntimeEntry& runtime,
+					   int requiredMajor);
+	void setJavaPathAndSucceed(const QString& javaPath);
+
+	NetJob::Ptr m_fetchJob;
+	QByteArray m_fetchData;
+	std::unique_ptr<JavaDownloadTask> m_downloadTask;
+#endif
+};