138 lines
4.6 KiB
C++
138 lines
4.6 KiB
C++
#include "LegacyUpgradeTask.h"
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#include "settings/INISettingsObject.h"
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#include "FileSystem.h"
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#include "NullInstance.h"
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#include "pathmatcher/RegexpMatcher.h"
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#include <QtConcurrentRun>
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#include "LegacyInstance.h"
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#include "minecraft/MinecraftInstance.h"
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#include "minecraft/ComponentList.h"
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#include "classparser.h"
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LegacyUpgradeTask::LegacyUpgradeTask(InstancePtr origInstance)
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{
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m_origInstance = origInstance;
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}
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void LegacyUpgradeTask::executeTask()
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{
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setStatus(tr("Copying instance %1").arg(m_origInstance->name()));
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FS::copy folderCopy(m_origInstance->instanceRoot(), m_stagingPath);
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folderCopy.followSymlinks(true);
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m_copyFuture = QtConcurrent::run(QThreadPool::globalInstance(), folderCopy);
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connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::finished, this, &LegacyUpgradeTask::copyFinished);
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connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::canceled, this, &LegacyUpgradeTask::copyAborted);
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m_copyFutureWatcher.setFuture(m_copyFuture);
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}
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static QString decideVersion(const QString& currentVersion, const QString& intendedVersion)
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{
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if(intendedVersion != currentVersion)
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{
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if(!intendedVersion.isEmpty())
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{
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return intendedVersion;
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}
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else if(!currentVersion.isEmpty())
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{
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return currentVersion;
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}
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}
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else
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{
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if(!intendedVersion.isEmpty())
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{
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return intendedVersion;
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}
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}
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return QString();
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}
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void LegacyUpgradeTask::copyFinished()
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{
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auto successful = m_copyFuture.result();
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if(!successful)
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{
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emitFailed(tr("Instance folder copy failed."));
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return;
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}
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auto legacyInst = std::dynamic_pointer_cast<LegacyInstance>(m_origInstance);
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auto instanceSettings = std::make_shared<INISettingsObject>(FS::PathCombine(m_stagingPath, "instance.cfg"));
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instanceSettings->registerSetting("InstanceType", "Legacy");
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instanceSettings->set("InstanceType", "OneSix");
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// NOTE: this scope ensures the instance is fully saved before we emitSucceeded
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{
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MinecraftInstance inst(m_globalSettings, instanceSettings, m_stagingPath);
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inst.setName(m_instName);
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QString preferredVersionNumber = decideVersion(legacyInst->currentVersionId(), legacyInst->intendedVersionId());
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if(preferredVersionNumber.isNull())
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{
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// try to decide version based on the jar(s?)
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preferredVersionNumber = classparser::GetMinecraftJarVersion(legacyInst->baseJar());
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if(preferredVersionNumber.isNull())
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{
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preferredVersionNumber = classparser::GetMinecraftJarVersion(legacyInst->runnableJar());
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if(preferredVersionNumber.isNull())
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{
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emitFailed(tr("Could not decide Minecraft version."));
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return;
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}
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}
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}
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auto components = inst.getComponentList();
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components->buildingFromScratch();
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components->setComponentVersion("net.minecraft", preferredVersionNumber, true);
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QString jarPath = legacyInst->mainJarToPreserve();
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if(!jarPath.isNull())
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{
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qDebug() << "Preserving base jar! : " << jarPath;
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// FIXME: handle case when the jar is unreadable?
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// TODO: check the hash, if it's the same as the upstream jar, do not do this
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components->installCustomJar(jarPath);
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}
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auto jarMods = legacyInst->getJarMods();
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for(auto & jarMod: jarMods)
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{
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QString modPath = jarMod.filename().absoluteFilePath();
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qDebug() << "jarMod: " << modPath;
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components->installJarMods({modPath});
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}
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// remove all the extra garbage we no longer need
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auto removeAll = [&](const QString &root, const QStringList &things)
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{
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for(auto &thing : things)
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{
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auto removePath = FS::PathCombine(root, thing);
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QFileInfo stat(removePath);
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if(stat.isDir())
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{
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FS::deletePath(removePath);
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}
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else
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{
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QFile::remove(removePath);
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}
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}
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};
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QStringList rootRemovables = {"modlist", "version", "instMods"};
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QStringList mcRemovables = {"bin", "MultiMCLauncher.jar", "icon.png"};
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removeAll(inst.instanceRoot(), rootRemovables);
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removeAll(inst.gameRoot(), mcRemovables);
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}
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emitSucceeded();
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}
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void LegacyUpgradeTask::copyAborted()
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{
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emitFailed(tr("Instance folder copy has been aborted."));
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return;
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}
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