1 files changed, 90 insertions, 0 deletions
diff --git a/launcher/minecraft/update/LibrariesTask.cpp b/launcher/minecraft/update/LibrariesTask.cpp
new file mode 100644
index 00000000..7f66a651
--- /dev/null
+++ b/launcher/minecraft/update/LibrariesTask.cpp
@@ -0,0 +1,90 @@
+#include "Env.h"
+#include "LibrariesTask.h"
+#include "minecraft/MinecraftInstance.h"
+#include "minecraft/PackProfile.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()));
+    downloadJob.reset(job);
+
+    auto metacache = ENV.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;
+}