Method install

launcher/modplatform/atlauncher/ATLPackInstallTask.cpp:967–1033

}

void PackInstallTask::install()
{
    qDebug() << "PackInstallTask::install: " << QThread::currentThreadId();
    setStatus(tr("Installing modpack"));

    auto instanceConfigPath = FS::PathCombine(m_stagingPath, "instance.cfg");
    auto instanceSettings = std::make_shared<INISettingsObject>(instanceConfigPath);
    instanceSettings->suspendSave();

    MinecraftInstance instance(m_globalSettings, instanceSettings, m_stagingPath);
    auto components = instance.getPackProfile();
    components->buildingFromScratch();

    // Use a component to add libraries BEFORE Minecraft
    if(!createLibrariesComponent(instance.instanceRoot(), components)) {
        emitFailed(tr("Failed to create libraries component"));
        return;
    }

    // Minecraft
    components->setComponentVersion("net.minecraft", m_version.minecraft, true);

    // Loader
    if(m_version.loader.type == QString("forge"))
    {
        auto version = getVersionForLoader("net.minecraftforge");
        if(version == Q_NULLPTR) return;

        components->setComponentVersion("net.minecraftforge", version);
    }
    else if(m_version.loader.type == QString("fabric"))
    {
        auto version = getVersionForLoader("net.fabricmc.fabric-loader");
        if(version == Q_NULLPTR) return;

        components->setComponentVersion("net.fabricmc.fabric-loader", version);
    }
    else if(m_version.loader.type != QString())
    {
        emitFailed(tr("Unknown loader type: ") + m_version.loader.type);
        return;
    }

    for(const auto & componentUid : componentsToInstall.keys()) {
        auto version = componentsToInstall.value(componentUid);
        components->setComponentVersion(componentUid, version->version());
    }

    components->installJarMods(jarmods);

    // Use a component to fill in the rest of the data
    // todo: use more detection
    if(!createPackComponent(instance.instanceRoot(), components)) {
        emitFailed(tr("Failed to create pack component"));
        return;
    }

    components->saveNow();