Files
PrismLauncher/launcher/minecraft/launch/EnsureAvailableMemory.cpp
2026-04-14 23:24:10 +05:00

114 lines
4.4 KiB
C++

// SPDX-License-Identifier: GPL-3.0-only
/*
* Prism Launcher - Minecraft Launcher
* Copyright (C) 2026 Octol1ttle <l1ttleofficial@outlook.com>
*
* 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, see <https://www.gnu.org/licenses/>.
*/
#include "EnsureAvailableMemory.h"
#include "HardwareInfo.h"
#include "ui/dialogs/CustomMessageBox.h"
EnsureAvailableMemory::EnsureAvailableMemory(LaunchTask* parent, MinecraftInstance* instance) : LaunchStep(parent), m_instance(instance) {}
void EnsureAvailableMemory::executeTask()
{
#ifdef Q_OS_MACOS
QString text;
switch (MacOSHardwareInfo::memoryPressureLevel()) {
case MacOSHardwareInfo::MemoryPressureLevel::Normal:
emitSucceeded();
return;
case MacOSHardwareInfo::MemoryPressureLevel::Warning:
text =
tr("The system is under increased memory pressure.\n"
"This may lead to lag or slowdowns.\n"
"If possible, close other applications before continuing.\n\n"
"Launch anyway?");
break;
case MacOSHardwareInfo::MemoryPressureLevel::Critical:
text =
tr("Your system is under critical memory pressure.\n"
"This may lead to severe slowdowns, crashes or system instability.\n"
"It is recommended to close other applications or restart your system.\n\n"
"Launch anyway?");
break;
}
bool shouldAbort = false;
if (m_instance->settings()->get("LowMemWarning").toBool()) {
auto* dialog = CustomMessageBox::selectable(nullptr, tr("High memory pressure"), text, QMessageBox::Icon::Warning,
QMessageBox::StandardButton::Yes | QMessageBox::StandardButton::No,
QMessageBox::StandardButton::No);
shouldAbort = dialog->exec() == QMessageBox::No;
dialog->deleteLater();
}
const auto message = tr("The system is under high memory pressure");
if (shouldAbort) {
emit logLine(message, MessageLevel::Fatal);
emitFailed(message);
return;
}
emit logLine(message, MessageLevel::Warning);
emitSucceeded();
#else
const uint64_t available = HardwareInfo::availableRamMiB();
if (available == 0) {
// could not read
emitSucceeded();
return;
}
const uint64_t settingMin = m_instance->settings()->get("MinMemAlloc").toUInt();
const uint64_t settingMax = m_instance->settings()->get("MaxMemAlloc").toUInt();
const uint64_t max = std::max(settingMin, settingMax);
if (static_cast<double>(max) * 0.9 > static_cast<double>(available)) {
bool shouldAbort = false;
if (m_instance->settings()->get("LowMemWarning").toBool()) {
auto* dialog = CustomMessageBox::selectable(
nullptr, tr("Low free memory"),
tr("There might not be enough free RAM to launch this instance with the current memory settings.\n\n"
"Maximum allocated: %1 MiB\nFree: %2 MiB (out of %3 MiB total)\n\n"
"Launch anyway? This may cause slowdowns in the game and your system.")
.arg(max)
.arg(available)
.arg(HardwareInfo::totalRamMiB()),
QMessageBox::Icon::Warning, QMessageBox::StandardButton::Yes | QMessageBox::StandardButton::No,
QMessageBox::StandardButton::No);
shouldAbort = dialog->exec() == QMessageBox::No;
dialog->deleteLater();
}
const auto message = tr("Not enough RAM available to launch this instance");
if (shouldAbort) {
emit logLine(message, MessageLevel::Fatal);
emitFailed(message);
return;
}
emit logLine(message, MessageLevel::Warning);
}
emitSucceeded();
#endif
}