PrismLauncher/api/logic/minecraft/onesix/OneSixUpdate.cpp
2016-05-01 00:00:14 +02:00

343 lines
10 KiB
C++

/* Copyright 2013-2015 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "Env.h"
#include <minecraft/forge/ForgeXzDownload.h>
#include "OneSixUpdate.h"
#include "OneSixInstance.h"
#include <QtNetwork>
#include <QFile>
#include <QFileInfo>
#include <QTextStream>
#include <QDataStream>
#include <JlCompress.h>
#include "BaseInstance.h"
#include "minecraft/MinecraftVersionList.h"
#include "minecraft/MinecraftProfile.h"
#include "minecraft/Library.h"
#include "net/URLConstants.h"
#include "minecraft/AssetsUtils.h"
#include "Exception.h"
#include "MMCZip.h"
#include <FileSystem.h>
OneSixUpdate::OneSixUpdate(OneSixInstance *inst, QObject *parent) : Task(parent), m_inst(inst)
{
}
void OneSixUpdate::executeTask()
{
// Make directories
QDir mcDir(m_inst->minecraftRoot());
if (!mcDir.exists() && !mcDir.mkpath("."))
{
emitFailed(tr("Failed to create folder for minecraft binaries."));
return;
}
// Get a pointer to the version object that corresponds to the instance's version.
targetVersion = std::dynamic_pointer_cast<MinecraftVersion>(ENV.getVersion("net.minecraft", m_inst->intendedVersionId()));
if (targetVersion == nullptr)
{
// don't do anything if it was invalid
emitFailed(tr("The specified Minecraft version is invalid. Choose a different one."));
return;
}
if (m_inst->providesVersionFile() || !targetVersion->needsUpdate())
{
qDebug() << "Instance either provides a version file or doesn't need an update.";
jarlibStart();
return;
}
versionUpdateTask = std::dynamic_pointer_cast<MinecraftVersionList>(ENV.getVersionList("net.minecraft"))->createUpdateTask(m_inst->intendedVersionId());
if (!versionUpdateTask)
{
qDebug() << "Didn't spawn an update task.";
jarlibStart();
return;
}
connect(versionUpdateTask.get(), SIGNAL(succeeded()), SLOT(jarlibStart()));
connect(versionUpdateTask.get(), &NetJob::failed, this, &OneSixUpdate::versionUpdateFailed);
connect(versionUpdateTask.get(), SIGNAL(progress(qint64, qint64)), SIGNAL(progress(qint64, qint64)));
setStatus(tr("Getting the version files from Mojang..."));
versionUpdateTask->start();
}
void OneSixUpdate::versionUpdateFailed(QString reason)
{
emitFailed(reason);
}
void OneSixUpdate::assetIndexStart()
{
setStatus(tr("Updating assets index..."));
OneSixInstance *inst = (OneSixInstance *)m_inst;
auto profile = inst->getMinecraftProfile();
auto assets = profile->getMinecraftAssets();
QUrl indexUrl = assets->url;
QString localPath = assets->id + ".json";
auto job = new NetJob(tr("Asset index for %1").arg(inst->name()));
auto metacache = ENV.metacache();
auto entry = metacache->resolveEntry("asset_indexes", localPath);
entry->setStale(true);
job->addNetAction(CacheDownload::make(indexUrl, entry));
jarlibDownloadJob.reset(job);
connect(jarlibDownloadJob.get(), SIGNAL(succeeded()), SLOT(assetIndexFinished()));
connect(jarlibDownloadJob.get(), &NetJob::failed, this, &OneSixUpdate::assetIndexFailed);
connect(jarlibDownloadJob.get(), SIGNAL(progress(qint64, qint64)), SIGNAL(progress(qint64, qint64)));
qDebug() << m_inst->name() << ": Starting asset index download";
jarlibDownloadJob->start();
}
void OneSixUpdate::assetIndexFinished()
{
AssetsIndex index;
qDebug() << m_inst->name() << ": Finished asset index download";
OneSixInstance *inst = (OneSixInstance *)m_inst;
auto profile = inst->getMinecraftProfile();
auto assets = profile->getMinecraftAssets();
QString asset_fname = "assets/indexes/" + assets->id + ".json";
// FIXME: this looks like a job for a generic validator based on json schema?
if (!AssetsUtils::loadAssetsIndexJson(assets->id, asset_fname, &index))
{
auto metacache = ENV.metacache();
auto entry = metacache->resolveEntry("asset_indexes", assets->id + ".json");
metacache->evictEntry(entry);
emitFailed(tr("Failed to read the assets index!"));
}
auto job = index.getDownloadJob();
if(job)
{
setStatus(tr("Getting the assets files from Mojang..."));
jarlibDownloadJob = job;
connect(jarlibDownloadJob.get(), SIGNAL(succeeded()), SLOT(assetsFinished()));
connect(jarlibDownloadJob.get(), &NetJob::failed, this, &OneSixUpdate::assetsFailed);
connect(jarlibDownloadJob.get(), SIGNAL(progress(qint64, qint64)), SIGNAL(progress(qint64, qint64)));
jarlibDownloadJob->start();
return;
}
assetsFinished();
}
void OneSixUpdate::assetIndexFailed(QString reason)
{
qDebug() << m_inst->name() << ": Failed asset index download";
emitFailed(tr("Failed to download the assets index:\n%1").arg(reason));
}
void OneSixUpdate::assetsFinished()
{
emitSucceeded();
}
void OneSixUpdate::assetsFailed(QString reason)
{
emitFailed(tr("Failed to download assets:\n%1").arg(reason));
}
void OneSixUpdate::jarlibStart()
{
setStatus(tr("Getting the library files from Mojang..."));
qDebug() << m_inst->name() << ": downloading libraries";
OneSixInstance *inst = (OneSixInstance *)m_inst;
inst->reloadProfile();
if(inst->flags() & BaseInstance::VersionBrokenFlag)
{
emitFailed(tr("Failed to load the version description files - check the instance for errors."));
return;
}
// Build a list of URLs that will need to be downloaded.
std::shared_ptr<MinecraftProfile> profile = inst->getMinecraftProfile();
// minecraft.jar for this version
{
QString version_id = profile->getMinecraftVersion();
QString localPath = version_id + "/" + version_id + ".jar";
QString urlstr = profile->getMainJarUrl();
auto job = new NetJob(tr("Libraries for instance %1").arg(inst->name()));
auto metacache = ENV.metacache();
auto entry = metacache->resolveEntry("versions", localPath);
job->addNetAction(CacheDownload::make(QUrl(urlstr), entry));
jarlibDownloadJob.reset(job);
}
auto libs = profile->getLibraries();
auto metacache = ENV.metacache();
QList<LibraryPtr> brokenLocalLibs;
QStringList failedFiles;
for (auto lib : libs)
{
auto dls = lib->getDownloads(currentSystem, metacache.get(), failedFiles);
for(auto dl : dls)
{
jarlibDownloadJob->addNetAction(dl);
}
}
if (!brokenLocalLibs.empty())
{
jarlibDownloadJob.reset();
QString failed_all = failedFiles.join("\n");
emitFailed(tr("Some libraries marked as 'local' are missing their jar "
"files:\n%1\n\nYou'll have to correct this problem manually. If this is "
"an externally tracked instance, make sure to run it at least once "
"outside of MultiMC.").arg(failed_all));
return;
}
connect(jarlibDownloadJob.get(), SIGNAL(succeeded()), SLOT(jarlibFinished()));
connect(jarlibDownloadJob.get(), &NetJob::failed, this, &OneSixUpdate::jarlibFailed);
connect(jarlibDownloadJob.get(), SIGNAL(progress(qint64, qint64)),
SIGNAL(progress(qint64, qint64)));
jarlibDownloadJob->start();
}
void OneSixUpdate::jarlibFinished()
{
OneSixInstance *inst = (OneSixInstance *)m_inst;
std::shared_ptr<MinecraftProfile> profile = inst->getMinecraftProfile();
if (profile->hasTrait("legacyFML"))
{
fmllibsStart();
}
else
{
assetIndexStart();
}
}
void OneSixUpdate::jarlibFailed(QString reason)
{
QStringList failed = jarlibDownloadJob->getFailedFiles();
QString failed_all = failed.join("\n");
emitFailed(
tr("Failed to download the following files:\n%1\n\nReason:%2\nPlease try again.").arg(failed_all, reason));
}
void OneSixUpdate::fmllibsStart()
{
// Get the mod list
OneSixInstance *inst = (OneSixInstance *)m_inst;
std::shared_ptr<MinecraftProfile> profile = inst->getMinecraftProfile();
bool forge_present = false;
QString version = inst->intendedVersionId();
auto &fmlLibsMapping = g_VersionFilterData.fmlLibsMapping;
if (!fmlLibsMapping.contains(version))
{
assetIndexStart();
return;
}
auto &libList = fmlLibsMapping[version];
// determine if we need some libs for FML or forge
setStatus(tr("Checking for FML libraries..."));
forge_present = (profile->versionPatch("net.minecraftforge") != nullptr);
// we don't...
if (!forge_present)
{
assetIndexStart();
return;
}
// now check the lib folder inside the instance for files.
for (auto &lib : libList)
{
QFileInfo libInfo(FS::PathCombine(inst->libDir(), lib.filename));
if (libInfo.exists())
continue;
fmlLibsToProcess.append(lib);
}
// if everything is in place, there's nothing to do here...
if (fmlLibsToProcess.isEmpty())
{
assetIndexStart();
return;
}
// download missing libs to our place
setStatus(tr("Dowloading FML libraries..."));
auto dljob = new NetJob("FML libraries");
auto metacache = ENV.metacache();
for (auto &lib : fmlLibsToProcess)
{
auto entry = metacache->resolveEntry("fmllibs", lib.filename);
QString urlString = lib.ours ? URLConstants::FMLLIBS_OUR_BASE_URL + lib.filename
: URLConstants::FMLLIBS_FORGE_BASE_URL + lib.filename;
dljob->addNetAction(CacheDownload::make(QUrl(urlString), entry));
}
connect(dljob, SIGNAL(succeeded()), SLOT(fmllibsFinished()));
connect(dljob, &NetJob::failed, this, &OneSixUpdate::fmllibsFailed);
connect(dljob, SIGNAL(progress(qint64, qint64)), SIGNAL(progress(qint64, qint64)));
legacyDownloadJob.reset(dljob);
legacyDownloadJob->start();
}
void OneSixUpdate::fmllibsFinished()
{
legacyDownloadJob.reset();
if (!fmlLibsToProcess.isEmpty())
{
setStatus(tr("Copying FML libraries into the instance..."));
OneSixInstance *inst = (OneSixInstance *)m_inst;
auto metacache = ENV.metacache();
int index = 0;
for (auto &lib : fmlLibsToProcess)
{
progress(index, fmlLibsToProcess.size());
auto entry = metacache->resolveEntry("fmllibs", lib.filename);
auto path = FS::PathCombine(inst->libDir(), lib.filename);
if (!FS::ensureFilePathExists(path))
{
emitFailed(tr("Failed creating FML library folder inside the instance."));
return;
}
if (!QFile::copy(entry->getFullPath(), FS::PathCombine(inst->libDir(), lib.filename)))
{
emitFailed(tr("Failed copying Forge/FML library: %1.").arg(lib.filename));
return;
}
index++;
}
progress(index, fmlLibsToProcess.size());
}
assetIndexStart();
}
void OneSixUpdate::fmllibsFailed(QString reason)
{
emitFailed(tr("Game update failed: it was impossible to fetch the required FML libraries.\nReason:\n%1").arg(reason));
return;
}