96 lines
2.5 KiB
C++
96 lines
2.5 KiB
C++
#include "Env.h"
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#include "LibrariesTask.h"
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#include "minecraft/MinecraftInstance.h"
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#include "minecraft/MinecraftProfile.h"
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LibrariesTask::LibrariesTask(MinecraftInstance * inst)
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{
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m_inst = inst;
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}
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void LibrariesTask::executeTask()
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{
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setStatus(tr("Getting the library files from Mojang..."));
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qDebug() << m_inst->name() << ": downloading libraries";
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MinecraftInstance *inst = (MinecraftInstance *)m_inst;
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inst->reloadProfile();
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if(inst->hasVersionBroken())
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{
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emitFailed(tr("Failed to load the version description files - check the instance for errors."));
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return;
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}
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// Build a list of URLs that will need to be downloaded.
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std::shared_ptr<MinecraftProfile> profile = inst->getMinecraftProfile();
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auto job = new NetJob(tr("Libraries for instance %1").arg(inst->name()));
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downloadJob.reset(job);
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auto metacache = ENV.metacache();
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QList<LibraryPtr> brokenLocalLibs;
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QStringList failedFiles;
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auto createJob = [&](const LibraryPtr & lib)
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{
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if(!lib)
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{
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emitFailed(tr("Null jar is specified in the metadata, aborting."));
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return;
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}
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auto dls = lib->getDownloads(currentSystem, metacache.get(), failedFiles, inst->getLocalLibraryPath());
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for(auto dl : dls)
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{
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downloadJob->addNetAction(dl);
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}
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};
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auto createJobs = [&](const QList<LibraryPtr> & libs)
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{
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for (auto lib : libs)
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{
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createJob(lib);
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}
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};
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createJobs(profile->getLibraries());
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createJobs(profile->getNativeLibraries());
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createJobs(profile->getJarMods());
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createJob(profile->getMainJar());
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// FIXME: this is never filled!!!!
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if (!brokenLocalLibs.empty())
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{
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downloadJob.reset();
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QString failed_all = failedFiles.join("\n");
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emitFailed(tr("Some libraries marked as 'local' are missing their jar "
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"files:\n%1\n\nYou'll have to correct this problem manually. If this is "
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"an externally tracked instance, make sure to run it at least once "
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"outside of MultiMC.").arg(failed_all));
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return;
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}
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connect(downloadJob.get(), &NetJob::succeeded, this, &LibrariesTask::emitSucceeded);
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connect(downloadJob.get(), &NetJob::failed, this, &LibrariesTask::jarlibFailed);
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connect(downloadJob.get(), &NetJob::progress, this, &LibrariesTask::progress);
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downloadJob->start();
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}
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bool LibrariesTask::canAbort() const
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{
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return true;
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}
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void LibrariesTask::jarlibFailed(QString reason)
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{
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emitFailed(tr("Game update failed: it was impossible to fetch the required libraries.\nReason:\n%1").arg(reason));
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}
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bool LibrariesTask::abort()
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{
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if(downloadJob)
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{
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return downloadJob->abort();
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}
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else
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{
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qWarning() << "Prematurely aborted LibrariesTask";
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}
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return true;
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}
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