PrismLauncher/logic/minecraft/OneSixProfileStrategy.cpp

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#include "minecraft/OneSixProfileStrategy.h"
#include "minecraft/VersionBuildError.h"
#include "minecraft/OneSixInstance.h"
#include "minecraft/MinecraftVersionList.h"
#include "Env.h"
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#include <pathutils.h>
#include <QDir>
#include <QUuid>
#include <QJsonDocument>
#include <QJsonArray>
OneSixProfileStrategy::OneSixProfileStrategy(OneSixInstance* instance)
{
m_instance = instance;
}
void OneSixProfileStrategy::upgradeDeprecatedFiles()
{
auto versionJsonPath = PathCombine(m_instance->instanceRoot(), "version.json");
auto customJsonPath = PathCombine(m_instance->instanceRoot(), "custom.json");
auto mcJson = PathCombine(m_instance->instanceRoot(), "patches" , "net.minecraft.json");
QString sourceFile;
QString renameFile;
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// convert old crap.
if(QFile::exists(customJsonPath))
{
sourceFile = customJsonPath;
renameFile = versionJsonPath;
}
else if(QFile::exists(versionJsonPath))
{
sourceFile = versionJsonPath;
}
if(!sourceFile.isEmpty() && !QFile::exists(mcJson))
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{
if(!ensureFilePathExists(mcJson))
{
qWarning() << "Couldn't create patches folder for" << m_instance->name();
return;
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}
if(!renameFile.isEmpty() && QFile::exists(renameFile))
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{
if(!QFile::rename(renameFile, renameFile + ".old"))
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{
qWarning() << "Couldn't rename" << renameFile << "to" << renameFile + ".old" << "in" << m_instance->name();
return;
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}
}
auto file = ProfileUtils::parseJsonFile(QFileInfo(sourceFile), false);
ProfileUtils::removeLwjglFromPatch(file);
file->fileId = "net.minecraft";
file->version = file->id;
file->name = "Minecraft";
auto data = file->toJson(false).toJson();
QSaveFile newPatchFile(mcJson);
if(!newPatchFile.open(QIODevice::WriteOnly))
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{
newPatchFile.cancelWriting();
qWarning() << "Couldn't open main patch for writing in" << m_instance->name();
return;
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}
newPatchFile.write(data);
if(!newPatchFile.commit())
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{
qWarning() << "Couldn't save main patch in" << m_instance->name();
return;
}
if(!QFile::rename(sourceFile, sourceFile + ".old"))
{
qWarning() << "Couldn't rename" << sourceFile << "to" << sourceFile + ".old" << "in" << m_instance->name();
return;
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}
}
}
void OneSixProfileStrategy::loadDefaultBuiltinPatches()
{
auto mcJson = PathCombine(m_instance->instanceRoot(), "patches" , "net.minecraft.json");
// load up the base minecraft patch
ProfilePatchPtr minecraftPatch;
if(QFile::exists(mcJson))
{
auto file = ProfileUtils::parseJsonFile(QFileInfo(mcJson), false);
if(file->version.isEmpty())
{
file->version = m_instance->intendedVersionId();
}
file->setVanilla(false);
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minecraftPatch = std::dynamic_pointer_cast<ProfilePatch>(file);
}
else
{
auto mcversion = ENV.getVersion("net.minecraft", m_instance->intendedVersionId());
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minecraftPatch = std::dynamic_pointer_cast<ProfilePatch>(mcversion);
}
if (!minecraftPatch)
{
throw VersionIncomplete("net.minecraft");
}
minecraftPatch->setOrder(-2);
profile->appendPatch(minecraftPatch);
// TODO: this is obviously fake.
QResource LWJGL(":/versions/LWJGL/2.9.1.json");
auto lwjgl = ProfileUtils::parseJsonFile(LWJGL.absoluteFilePath(), false);
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auto lwjglPatch = std::dynamic_pointer_cast<ProfilePatch>(lwjgl);
if (!lwjglPatch)
{
throw VersionIncomplete("org.lwjgl");
}
lwjglPatch->setOrder(-1);
lwjgl->setVanilla(true);
profile->appendPatch(lwjglPatch);
}
void OneSixProfileStrategy::loadUserPatches()
{
// load all patches, put into map for ordering, apply in the right order
ProfileUtils::PatchOrder userOrder;
ProfileUtils::readOverrideOrders(PathCombine(m_instance->instanceRoot(), "order.json"), userOrder);
QDir patches(PathCombine(m_instance->instanceRoot(),"patches"));
// first, load things by sort order.
for (auto id : userOrder)
{
// ignore builtins
if (id == "net.minecraft")
continue;
if (id == "org.lwjgl")
continue;
// parse the file
QString filename = patches.absoluteFilePath(id + ".json");
QFileInfo finfo(filename);
if(!finfo.exists())
{
qDebug() << "Patch file " << filename << " was deleted by external means...";
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continue;
}
qDebug() << "Reading" << filename << "by user order";
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auto file = ProfileUtils::parseJsonFile(finfo, false);
// sanity check. prevent tampering with files.
if (file->fileId != id)
{
throw VersionBuildError(
QObject::tr("load id %1 does not match internal id %2").arg(id, file->fileId));
}
profile->appendPatch(file);
}
// now load the rest by internal preference.
QMap<int, QPair<QString, VersionFilePtr>> files;
for (auto info : patches.entryInfoList(QStringList() << "*.json", QDir::Files))
{
// parse the file
qDebug() << "Reading" << info.fileName();
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auto file = ProfileUtils::parseJsonFile(info, true);
// ignore builtins
if (file->fileId == "net.minecraft")
continue;
if (file->fileId == "org.lwjgl")
continue;
// do not load what we already loaded in the first pass
if (userOrder.contains(file->fileId))
continue;
if (files.contains(file->order))
{
// FIXME: do not throw?
throw VersionBuildError(QObject::tr("%1 has the same order as %2")
.arg(file->fileId, files[file->order].second->fileId));
}
files.insert(file->order, qMakePair(info.fileName(), file));
}
for (auto order : files.keys())
{
auto &filePair = files[order];
profile->appendPatch(filePair.second);
}
}
void OneSixProfileStrategy::load()
{
profile->clearPatches();
upgradeDeprecatedFiles();
loadDefaultBuiltinPatches();
loadUserPatches();
profile->finalize();
}
bool OneSixProfileStrategy::saveOrder(ProfileUtils::PatchOrder order)
{
return ProfileUtils::writeOverrideOrders(PathCombine(m_instance->instanceRoot(), "order.json"), order);
}
bool OneSixProfileStrategy::resetOrder()
{
return QDir(m_instance->instanceRoot()).remove("order.json");
}
bool OneSixProfileStrategy::removePatch(ProfilePatchPtr patch)
{
bool ok = true;
// first, remove the patch file. this ensures it's not used anymore
auto fileName = patch->getPatchFilename();
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if(fileName.size())
{
QFile patchFile(fileName);
if(patchFile.exists() && !patchFile.remove())
{
qCritical() << "File" << fileName << "could not be removed because:" << patchFile.errorString();
return false;
}
}
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auto preRemoveJarMod = [&](JarmodPtr jarMod) -> bool
{
QString fullpath = PathCombine(m_instance->jarModsDir(), jarMod->name);
QFileInfo finfo (fullpath);
if(finfo.exists())
{
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QFile jarModFile(fullpath);
if(!jarModFile.remove())
{
qCritical() << "File" << fullpath << "could not be removed because:" << jarModFile.errorString();
return false;
}
return true;
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}
return true;
};
for(auto &jarmod: patch->getJarMods())
{
ok &= preRemoveJarMod(jarmod);
}
return ok;
}
bool OneSixProfileStrategy::installJarMods(QStringList filepaths)
{
QString patchDir = PathCombine(m_instance->instanceRoot(), "patches");
if(!ensureFolderPathExists(patchDir))
{
return false;
}
if (!ensureFolderPathExists(m_instance->jarModsDir()))
{
return false;
}
for(auto filepath:filepaths)
{
QFileInfo sourceInfo(filepath);
auto uuid = QUuid::createUuid();
QString id = uuid.toString().remove('{').remove('}');
QString target_filename = id + ".jar";
QString target_id = "org.multimc.jarmod." + id;
QString target_name = sourceInfo.completeBaseName() + " (jar mod)";
QString finalPath = PathCombine(m_instance->jarModsDir(), target_filename);
QFileInfo targetInfo(finalPath);
if(targetInfo.exists())
{
return false;
}
if (!QFile::copy(sourceInfo.absoluteFilePath(),QFileInfo(finalPath).absoluteFilePath()))
{
return false;
}
auto f = std::make_shared<VersionFile>();
auto jarMod = std::make_shared<Jarmod>();
jarMod->name = target_filename;
f->jarMods.append(jarMod);
f->name = target_name;
f->fileId = target_id;
f->order = profile->getFreeOrderNumber();
QString patchFileName = PathCombine(patchDir, target_id + ".json");
f->filename = patchFileName;
QFile file(patchFileName);
if (!file.open(QFile::WriteOnly))
{
qCritical() << "Error opening" << file.fileName()
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<< "for reading:" << file.errorString();
return false;
}
file.write(f->toJson(true).toJson());
file.close();
profile->appendPatch(f);
}
profile->saveCurrentOrder();
profile->reapply();
return true;
}