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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.
*/
#pragma once
#include "BaseVersion.h"
#include "InstanceTask.h"
#include "minecraft/MinecraftInstance.h"
#include <memory>
class InstanceCreationTask : public InstanceTask
{
Q_OBJECT
public:
InstanceCreationTask() = default;
virtual ~InstanceCreationTask() = default;
bool abort() override;
protected:
void executeTask() final override;
/**
* Tries to update an already existing instance.
*
* This can be implemented by subclasses to provide a way of updating an already existing
* instance, according to that implementation's concept of 'identity' (i.e. instances that
* are updates / downgrades of one another).
*
* If this returns true, createInstance() will not run, so you should do all update steps in here.
* Otherwise, createInstance() is run as normal.
*/
virtual bool updateInstance()
{
return false;
};
/**
* Creates a new instance.
*
* Returns the instance if it was created or nullptr otherwise.
*/
virtual std::unique_ptr<MinecraftInstance> createInstance()
{
return nullptr;
};
QString getError() const
{
return m_error_message;
}
protected:
void setError(const QString& message)
{
m_error_message = message;
};
protected:
bool m_abort = false;
QStringList m_files_to_remove;
private:
QString m_error_message;
std::unique_ptr<MinecraftInstance> m_createdInstance;
Task::Ptr m_gameFilesTask;
};
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