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/* SPDX-FileCopyrightText: 2026 Project Tick
* SPDX-FileContributor: Project Tick
* SPDX-License-Identifier: GPL-3.0-or-later
*
* MeshMC - A Custom Launcher for Minecraft
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 "LibrariesTask.h"
#include "minecraft/MinecraftInstance.h"
#include "minecraft/PackProfile.h"
#include "Application.h"
LibrariesTask::LibrariesTask(MinecraftInstance* inst)
{
m_inst = inst;
}
void LibrariesTask::executeTask()
{
setStatus(tr("Getting the library files from Mojang..."));
qDebug() << m_inst->name() << ": downloading libraries";
MinecraftInstance* inst = (MinecraftInstance*)m_inst;
// Build a list of URLs that will need to be downloaded.
auto components = inst->getPackProfile();
auto profile = components->getProfile();
auto job = new NetJob(tr("Libraries for instance %1").arg(inst->name()),
APPLICATION->network());
downloadJob.reset(job);
auto metacache = APPLICATION->metacache();
auto processArtifactPool = [&](const QList<LibraryPtr>& pool,
QStringList& errors,
const QString& localPath) {
for (auto lib : pool) {
if (!lib) {
emitFailed(
tr("Null jar is specified in the metadata, aborting."));
return false;
}
auto dls = lib->getDownloads(currentSystem, metacache.get(), errors,
localPath);
for (auto dl : dls) {
downloadJob->addNetAction(dl);
}
}
return true;
};
QStringList failedLocalLibraries;
QList<LibraryPtr> libArtifactPool;
libArtifactPool.append(profile->getLibraries());
libArtifactPool.append(profile->getNativeLibraries());
libArtifactPool.append(profile->getMavenFiles());
libArtifactPool.append(profile->getMainJar());
processArtifactPool(libArtifactPool, failedLocalLibraries,
inst->getLocalLibraryPath());
QStringList failedLocalJarMods;
processArtifactPool(profile->getJarMods(), failedLocalJarMods,
inst->jarModsDir());
if (!failedLocalJarMods.empty() || !failedLocalLibraries.empty()) {
downloadJob.reset();
QString failed_all =
(failedLocalLibraries + failedLocalJarMods).join("\n");
emitFailed(tr("Some artifacts marked as 'local' are missing their "
"files:\n%1\n\nYou need to either add the files, or "
"removed the packages that require them.\nYou'll have to "
"correct this problem manually.")
.arg(failed_all));
return;
}
connect(downloadJob.get(), &NetJob::succeeded, this,
&LibrariesTask::emitSucceeded);
connect(downloadJob.get(), &NetJob::failed, this,
&LibrariesTask::jarlibFailed);
connect(downloadJob.get(), &NetJob::progress, this,
&LibrariesTask::progress);
downloadJob->start();
}
bool LibrariesTask::canAbort() const
{
return true;
}
void LibrariesTask::jarlibFailed(QString reason)
{
emitFailed(tr("Game update failed: it was impossible to fetch the required "
"libraries.\nReason:\n%1")
.arg(reason));
}
bool LibrariesTask::abort()
{
if (downloadJob) {
return downloadJob->abort();
} else {
qWarning() << "Prematurely aborted LibrariesTask";
}
return true;
}
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