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// SPDX-License-Identifier: GPL-3.0-only
// SPDX-FileCopyrightText: 2026 Project Tick
// SPDX-FileContributor: Project Tick Team
/*
* ProjT Launcher - Minecraft Launcher
* 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, version 3.
*
* 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "VerifyJavaInstall.hpp"
#include <memory>
#include "Application.h"
#include "MessageLevel.h"
#include "java/core/RuntimeVersion.hpp"
#include "minecraft/MinecraftInstance.h"
#include "minecraft/PackProfile.h"
void VerifyJavaInstall::executeTask()
{
auto instance = m_flow->instance();
auto packProfile = instance->getPackProfile();
auto settings = instance->settings();
auto storedVersion = settings->get("JavaVersion").toString();
auto ignoreCompatibility = settings->get("IgnoreJavaCompatibility").toBool();
auto javaArchitecture = settings->get("JavaArchitecture").toString();
auto maxMemAlloc = settings->get("MaxMemAlloc").toInt();
if (javaArchitecture == "32" && maxMemAlloc > 2048)
{
emit logLine(tr("Max memory allocation exceeds the supported value.\n"
"The selected installation of Java is 32-bit and doesn't support more than 2048MiB of RAM.\n"
"The instance may not start due to this."),
MessageLevel::Error);
}
auto compatibleMajors = packProfile->getProfile()->getCompatibleJavaMajors();
projt::java::RuntimeVersion javaVersion(storedVersion);
if (compatibleMajors.isEmpty() || compatibleMajors.contains(javaVersion.major()))
{
emitSucceeded();
return;
}
if (ignoreCompatibility)
{
emit logLine(tr("Java major version is incompatible. Things might break."), MessageLevel::Warning);
emitSucceeded();
return;
}
emit logLine(tr("This instance is not compatible with Java version %1.\n"
"Please switch to one of the following Java versions for this instance:")
.arg(javaVersion.major()),
MessageLevel::Error);
for (auto major : compatibleMajors)
{
emit logLine(tr("Java version %1").arg(major), MessageLevel::Error);
}
emit logLine(tr("Go to instance Java settings to change your Java version or disable the Java compatibility check "
"if you know what "
"you're doing."),
MessageLevel::Error);
emitFailed(QString("Incompatible Java major version"));
}
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