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https://github.com/MultiMC/MultiMC5.git
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113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
#include "AssetUpdateTask.h"
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#include "minecraft/MinecraftInstance.h"
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#include "minecraft/PackProfile.h"
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#include "net/ChecksumValidator.h"
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#include "minecraft/AssetsUtils.h"
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#include "Application.h"
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AssetUpdateTask::AssetUpdateTask(MinecraftInstance * inst)
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{
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m_inst = inst;
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}
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AssetUpdateTask::~AssetUpdateTask()
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{
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}
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void AssetUpdateTask::executeTask()
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{
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setStatus(tr("Updating assets index..."));
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auto components = m_inst->getPackProfile();
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auto profile = components->getProfile();
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auto assets = profile->getMinecraftAssets();
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QUrl indexUrl = assets->url;
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QString localPath = assets->id + ".json";
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auto job = new NetJob(
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tr("Asset index for %1").arg(m_inst->name()),
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APPLICATION->network()
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);
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auto metacache = APPLICATION->metacache();
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auto entry = metacache->resolveEntry("asset_indexes", localPath);
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entry->setStale(true);
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auto hexSha1 = assets->sha1.toLatin1();
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qDebug() << "Asset index SHA1:" << hexSha1;
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auto dl = Net::Download::makeCached(indexUrl, entry);
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auto rawSha1 = QByteArray::fromHex(assets->sha1.toLatin1());
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dl->addValidator(new Net::ChecksumValidator(QCryptographicHash::Sha1, rawSha1));
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job->addNetAction(dl);
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downloadJob.reset(job);
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connect(downloadJob.get(), &NetJob::succeeded, this, &AssetUpdateTask::assetIndexFinished);
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connect(downloadJob.get(), &NetJob::failed, this, &AssetUpdateTask::assetIndexFailed);
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connect(downloadJob.get(), &NetJob::progress, this, &AssetUpdateTask::progress);
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qDebug() << m_inst->name() << ": Starting asset index download";
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downloadJob->start();
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}
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bool AssetUpdateTask::canAbort() const
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{
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return true;
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}
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void AssetUpdateTask::assetIndexFinished()
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{
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AssetsIndex index;
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qDebug() << m_inst->name() << ": Finished asset index download";
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auto components = m_inst->getPackProfile();
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auto profile = components->getProfile();
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auto assets = profile->getMinecraftAssets();
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QString asset_fname = "assets/indexes/" + assets->id + ".json";
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// FIXME: this looks like a job for a generic validator based on json schema?
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if (!AssetsUtils::loadAssetsIndexJson(assets->id, asset_fname, index))
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{
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auto metacache = APPLICATION->metacache();
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auto entry = metacache->resolveEntry("asset_indexes", assets->id + ".json");
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metacache->evictEntry(entry);
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emitFailed(tr("Failed to read the assets index!"));
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}
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auto job = index.getDownloadJob();
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if(job)
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{
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setStatus(tr("Getting the assets files from Mojang..."));
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downloadJob = job;
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connect(downloadJob.get(), &NetJob::succeeded, this, &AssetUpdateTask::emitSucceeded);
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connect(downloadJob.get(), &NetJob::failed, this, &AssetUpdateTask::assetsFailed);
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connect(downloadJob.get(), &NetJob::progress, this, &AssetUpdateTask::progress);
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downloadJob->start();
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return;
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}
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emitSucceeded();
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}
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void AssetUpdateTask::assetIndexFailed(QString reason)
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{
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qDebug() << m_inst->name() << ": Failed asset index download";
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emitFailed(tr("Failed to download the assets index:\n%1").arg(reason));
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}
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void AssetUpdateTask::assetsFailed(QString reason)
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{
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emitFailed(tr("Failed to download assets:\n%1").arg(reason));
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}
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bool AssetUpdateTask::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 AssetUpdateTask";
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}
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return true;
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}
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