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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/>.
*/
#include "VerifyJavaInstall.h"
#include <launch/LaunchTask.h>
#include <minecraft/MinecraftInstance.h>
#include <minecraft/PackProfile.h>
#include <minecraft/VersionFilterData.h>
#ifdef major
#undef major
#endif
#ifdef minor
#undef minor
#endif
void VerifyJavaInstall::executeTask() {
auto m_inst = std::dynamic_pointer_cast<MinecraftInstance>(m_parent->instance());
auto javaVersion = m_inst->getJavaVersion();
auto minecraftComponent = m_inst->getPackProfile()->getComponent("net.minecraft");
// Java 25 requirement
if (minecraftComponent->getReleaseDateTime() >= g_VersionFilterData.java25BeginsDate) {
if (javaVersion.major() < 25) {
emit logLine("This version of Minecraft requires Java 25 or newer. Please configure Java 25 in Settings.",
MessageLevel::Fatal);
emitFailed(tr("This version of Minecraft requires Java 25 or newer. Please configure Java 25 in Settings."));
return;
}
}
// Java 21 requirement
else if (minecraftComponent->getReleaseDateTime() >= g_VersionFilterData.java21BeginsDate) {
if (javaVersion.major() < 21) {
emit logLine("Minecraft 1.20.5 and above require the use of Java 21",
MessageLevel::Fatal);
emitFailed(tr("Minecraft 1.20.5 and above require the use of Java 21"));
return;
}
}
// Java 17 requirement
else if (minecraftComponent->getReleaseDateTime() >= g_VersionFilterData.java17BeginsDate) {
if (javaVersion.major() < 17) {
emit logLine("Minecraft 1.18 Pre Release 2 and above require the use of Java 17",
MessageLevel::Fatal);
emitFailed(tr("Minecraft 1.18 Pre Release 2 and above require the use of Java 17"));
return;
}
}
// Java 16 requirement
else if (minecraftComponent->getReleaseDateTime() >= g_VersionFilterData.java16BeginsDate) {
if (javaVersion.major() < 16) {
emit logLine("Minecraft 21w19a and above require the use of Java 16",
MessageLevel::Fatal);
emitFailed(tr("Minecraft 21w19a and above require the use of Java 16"));
return;
}
}
// Java 8 requirement
else if (minecraftComponent->getReleaseDateTime() >= g_VersionFilterData.java8BeginsDate) {
if (javaVersion.major() < 8) {
emit logLine("Minecraft 17w13a and above require the use of Java 8",
MessageLevel::Fatal);
emitFailed(tr("Minecraft 17w13a and above require the use of Java 8"));
return;
}
}
emitSucceeded();
}
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