pollymc/launcher/NullInstance.h

// SPDX-License-Identifier: GPL-3.0-only
/*
 *  PolyMC - Minecraft Launcher
 *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
 *
 *  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/>.
 *
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 *      Copyright 2013-2021 MultiMC Contributors
 *
 *      Licensed under the Apache License, Version 2.0 (the "License");
 *      you may not use this file except in compliance with the License.
 *      You may obtain a copy of the License at
 *
 *          http://www.apache.org/licenses/LICENSE-2.0
 *
 *      Unless required by applicable law or agreed to in writing, software
 *      distributed under the License is distributed on an "AS IS" BASIS,
 *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *      See the License for the specific language governing permissions and
 *      limitations under the License.
 */

#pragma once
#include "BaseInstance.h"
#include "launch/LaunchTask.h"

class NullInstance: public BaseInstance
{
    Q_OBJECT
public:
    NullInstance(SettingsObjectPtr globalSettings, SettingsObjectPtr settings, const QString& rootDir)
    :BaseInstance(globalSettings, settings, rootDir)
    {
        setVersionBroken(true);
    }
    virtual ~NullInstance() {};
    void saveNow() override
    {
    }
    void loadSpecificSettings() override
    {
        setSpecificSettingsLoaded(true);
    }
    QString getStatusbarDescription() override
    {
        return tr("Unknown instance type");
    };
    QSet< QString > traits() const override
    {
        return {};
    };
    QString instanceConfigFolder() const override
    {
        return instanceRoot();
    };
    shared_qobject_ptr<LaunchTask> createLaunchTask(AuthSessionPtr, MinecraftServerTargetPtr) override
    {
        return nullptr;
    }
    shared_qobject_ptr< Task > createUpdateTask(Net::Mode mode) override
    {
        return nullptr;
    }
    QProcessEnvironment createEnvironment() override
    {
        return QProcessEnvironment();
    }
    QProcessEnvironment createLaunchEnvironment() override
    {
        return QProcessEnvironment();
    }
    QMap<QString, QString> getVariables() override
    {
        return QMap<QString, QString>();
    }
    IPathMatcher::Ptr getLogFileMatcher() override
    {
        return nullptr;
    }
    QString getLogFileRoot() override
    {
        return instanceRoot();
    }
    QString typeName() const override
    {
        return "Null";
    }
    bool canExport() const override
    {
        return false;
    }
    bool canEdit() const override
    {
        return false;
    }
    bool canLaunch() const override
    {
        return false;
    }
    QStringList verboseDescription(AuthSessionPtr session, MinecraftServerTargetPtr serverToJoin) override
    {
        QStringList out;
        out << "Null instance - placeholder.";
        return out;
    }
    QString modsRoot() const override {
        return QString();
    }
    void updateRuntimeContext()
    {
        // NOOP
    }
};