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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 "InstanceCreationTask.h"
#include <QDebug>
#include <QFile>
#include "FileSystem.h"
#include "minecraft/MinecraftLoadAndCheck.h"
#include "tasks/SequentialTask.h"
bool InstanceCreationTask::abort()
{
if (!canAbort())
return false;
m_abort = true;
if (m_gameFilesTask)
return m_gameFilesTask->abort();
return true;
}
void InstanceCreationTask::executeTask()
{
setAbortable(true);
if (updateInstance())
{
emitSucceeded();
return;
}
// When the user aborted in the update stage.
if (m_abort)
{
emitAborted();
return;
}
m_createdInstance = createInstance();
if (!m_createdInstance)
{
if (m_abort)
return;
qWarning() << "Instance creation failed!";
if (!m_error_message.isEmpty())
{
qWarning() << "Reason: " << m_error_message;
emitFailed(tr("Error while creating new instance:\n%1").arg(m_error_message));
}
else
{
emitFailed(tr("Error while creating new instance."));
}
return;
}
// If this is set, it means we're updating an instance. So, we now need to remove the
// files scheduled to, and we'd better not let the user abort in the middle of it, since it'd
// put the instance in an invalid state.
if (shouldOverride())
{
bool deleteFailed = false;
setAbortable(false);
setStatus(tr("Removing old conflicting files..."));
qDebug() << "Removing old files";
for (const QString& path : m_files_to_remove)
{
if (!QFile::exists(path))
continue;
qDebug() << "Removing" << path;
if (!QFile::remove(path))
{
qCritical() << "Could not remove" << path;
deleteFailed = true;
}
}
if (deleteFailed)
{
emitFailed(tr("Failed to remove old conflicting files."));
return;
}
}
if (m_abort)
return;
m_createdInstance->saveNow();
setAbortable(true);
setAbortButtonText(tr("Skip"));
qDebug() << "Downloading game files";
auto updateTasks = m_createdInstance->createUpdateTask();
if (updateTasks.isEmpty())
{
emitSucceeded();
return;
}
auto task = makeShared<SequentialTask>();
task->addTask(makeShared<MinecraftLoadAndCheck>(m_createdInstance.get(), Net::Mode::Online));
for (const auto& updateTask : updateTasks)
{
task->addTask(updateTask);
}
connect(task.get(),
&Task::finished,
this,
[this, task]
{
if (task->wasSuccessful() || m_abort)
{
emitSucceeded();
}
else
{
emitFailed(tr("Could not download game files: %1").arg(task->failReason()));
}
});
connect(task.get(), &Task::progress, this, &InstanceCreationTask::setProgress);
connect(task.get(), &Task::stepProgress, this, &InstanceCreationTask::propagateStepProgress);
connect(task.get(), &Task::status, this, &InstanceCreationTask::setStatus);
connect(task.get(), &Task::details, this, &InstanceCreationTask::setDetails);
setDetails(tr("Downloading game files"));
m_gameFilesTask = task;
m_gameFilesTask->start();
}
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