mirror of
https://github.com/MultiMC/MultiMC5.git
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141 lines
4.5 KiB
C++
141 lines
4.5 KiB
C++
/* Copyright 2013 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "OneSixUpdate.h"
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#include <QtNetwork>
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#include <QFile>
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#include <QFileInfo>
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#include <QTextStream>
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#include <QDataStream>
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#include <QDebug>
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#include "BaseInstance.h"
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#include "lists/MinecraftVersionList.h"
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#include "VersionFactory.h"
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#include "OneSixVersion.h"
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#include "pathutils.h"
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OneSixUpdate::OneSixUpdate(BaseInstance *inst, QObject *parent) :
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Task(parent)
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{
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m_inst = inst;
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}
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void OneSixUpdate::executeTask()
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{
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// Get a pointer to the version object that corresponds to the instance's version.
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targetVersion = (MinecraftVersion *)MinecraftVersionList::getMainList().findVersion(m_inst->intendedVersionId());
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if(targetVersion == NULL)
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{
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emit gameUpdateComplete();
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return;
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}
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setStatus("Getting the version files from Mojang.");
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QString urlstr("http://s3.amazonaws.com/Minecraft.Download/versions/");
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urlstr += targetVersion->descriptor() + "/" + targetVersion->descriptor() + ".json";
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auto dljob = DownloadJob::create(QUrl(urlstr));
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specificVersionDownloadJob.reset(new JobList());
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specificVersionDownloadJob->add(dljob);
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connect(specificVersionDownloadJob.data(), SIGNAL(finished()), SLOT(versionFileFinished()));
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connect(specificVersionDownloadJob.data(), SIGNAL(failed()), SLOT(versionFileFailed()));
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connect(specificVersionDownloadJob.data(), SIGNAL(progress(qint64,qint64)), SLOT(updateDownloadProgress(qint64,qint64)));
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download_queue.enqueue(specificVersionDownloadJob);
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QEventLoop loop;
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loop.exec();
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}
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void OneSixUpdate::versionFileFinished()
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{
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JobPtr firstJob = specificVersionDownloadJob->getFirstJob();
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auto DlJob = firstJob.dynamicCast<DownloadJob>();
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FullVersionFactory parser;
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auto version = parser.parse(DlJob->m_data);
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if(!version)
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{
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error(parser.error_string);
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exit(0);
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}
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// save the version file in $instanceId/version.json and versions/$version/$version.json
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QString version_id = targetVersion->descriptor();
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QString inst_dir = m_inst->rootDir();
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QString version1 = PathCombine(inst_dir, "/version.json");
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QString version2 = QString("versions/") + version_id + "/" + version_id + ".json";
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DownloadJob::ensurePathExists(version1);
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DownloadJob::ensurePathExists(version2);
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QFile vfile1 (version1);
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QFile vfile2 (version2);
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vfile1.open(QIODevice::Truncate | QIODevice::WriteOnly );
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vfile2.open(QIODevice::Truncate | QIODevice::WriteOnly );
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vfile1.write(DlJob->m_data);
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vfile2.write(DlJob->m_data);
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vfile1.close();
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vfile2.close();
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// download the right jar, save it in versions/$version/$version.jar
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QString urlstr("http://s3.amazonaws.com/Minecraft.Download/versions/");
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urlstr += targetVersion->descriptor() + "/" + targetVersion->descriptor() + ".jar";
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QString targetstr ("versions/");
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targetstr += targetVersion->descriptor() + "/" + targetVersion->descriptor() + ".jar";
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auto dljob = DownloadJob::create(QUrl(urlstr), targetstr);
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jarlibDownloadJob.reset(new JobList());
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jarlibDownloadJob->add(dljob);
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connect(jarlibDownloadJob.data(), SIGNAL(finished()), SLOT(jarlibFinished()));
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connect(jarlibDownloadJob.data(), SIGNAL(failed()), SLOT(jarlibFailed()));
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connect(jarlibDownloadJob.data(), SIGNAL(progress(qint64,qint64)), SLOT(updateDownloadProgress(qint64,qint64)));
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// determine and download all the libraries, save them in libraries/whatever...
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download_queue.enqueue(jarlibDownloadJob);
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}
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void OneSixUpdate::jarlibFinished()
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{
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exit(1);
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}
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void OneSixUpdate::jarlibFailed()
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{
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error("Failed to download the binary garbage. Try again. Maybe. IF YOU DARE");
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exit(0);
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}
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void OneSixUpdate::versionFileFailed()
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{
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error("Failed to download the version description. Try again.");
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exit(0);
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}
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void OneSixUpdate::error(const QString &msg)
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{
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emit gameUpdateError(msg);
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}
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void OneSixUpdate::updateDownloadProgress(qint64 current, qint64 total)
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{
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// The progress on the current file is current / total
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float currentDLProgress = (float) current / (float) total;
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setProgress((int)(currentDLProgress * 100)); // convert to percentage
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}
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