pollymc/launcher/modplatform/flame/FlameInstanceCreationTask.cpp

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#include "FlameInstanceCreationTask.h"
#include "modplatform/flame/FlameAPI.h"
#include "modplatform/flame/PackManifest.h"
#include "Application.h"
#include "FileSystem.h"
#include "InstanceList.h"
#include "Json.h"
#include "minecraft/MinecraftInstance.h"
#include "minecraft/PackProfile.h"
#include "modplatform/helpers/OverrideUtils.h"
#include "settings/INISettingsObject.h"
#include "ui/dialogs/CustomMessageBox.h"
#include "ui/dialogs/BlockedModsDialog.h"
const static QMap<QString, QString> forgemap = { { "1.2.5", "3.4.9.171" },
{ "1.4.2", "6.0.1.355" },
{ "1.4.7", "6.6.2.534" },
{ "1.5.2", "7.8.1.737" } };
static const FlameAPI api;
bool FlameCreationTask::abort()
{
if (!canAbort())
return false;
if (m_process_update_file_info_job)
m_process_update_file_info_job->abort();
if (m_files_job)
m_files_job->abort();
if (m_mod_id_resolver)
m_mod_id_resolver->abort();
return Task::abort();
}
bool FlameCreationTask::updateInstance()
{
auto instance_list = APPLICATION->instances();
// FIXME: How to handle situations when there's more than one install already for a given modpack?
auto inst = instance_list->getInstanceByManagedName(originalName());
if (!inst) {
inst = instance_list->getInstanceById(originalName());
if (!inst)
return false;
}
QString index_path(FS::PathCombine(m_stagingPath, "manifest.json"));
try {
Flame::loadManifest(m_pack, index_path);
} catch (const JSONValidationError& e) {
setError(tr("Could not understand pack manifest:\n") + e.cause());
return false;
}
auto version_id = inst->getManagedPackVersionName();
auto version_str = !version_id.isEmpty() ? tr(" (version %1)").arg(version_id) : "";
auto info = CustomMessageBox::selectable(
m_parent, tr("Similar modpack was found!"),
tr("One or more of your instances are from this same modpack%1. Do you want to create a "
"separate instance, or update the existing one?\n\nNOTE: Make sure you made a backup of your important instance data before "
"updating, as worlds can be corrupted and some configuration may be lost (due to pack overrides).")
.arg(version_str), QMessageBox::Information, QMessageBox::Ok | QMessageBox::Reset | QMessageBox::Abort);
info->setButtonText(QMessageBox::Ok, tr("Update existing instance"));
info->setButtonText(QMessageBox::Abort, tr("Create new instance"));
info->setButtonText(QMessageBox::Reset, tr("Cancel"));
info->exec();
if (info->clickedButton() == info->button(QMessageBox::Abort))
return false;
if (info->clickedButton() == info->button(QMessageBox::Reset)) {
m_abort = true;
return false;
}
QDir old_inst_dir(inst->instanceRoot());
QString old_index_folder(FS::PathCombine(old_inst_dir.absolutePath(), "flame"));
QString old_index_path(FS::PathCombine(old_index_folder, "manifest.json"));
QFileInfo old_index_file(old_index_path);
if (old_index_file.exists()) {
Flame::Manifest old_pack;
Flame::loadManifest(old_pack, old_index_path);
auto& old_files = old_pack.files;
auto& files = m_pack.files;
// Remove repeated files, we don't need to download them!
auto files_iterator = files.begin();
while (files_iterator != files.end()) {
auto const& file = files_iterator;
auto old_file = old_files.find(file.key());
if (old_file != old_files.end()) {
// We found a match, but is it a different version?
if (old_file->fileId == file->fileId) {
qDebug() << "Removed file at" << file->targetFolder << "with id" << file->fileId << "from list of downloads";
old_files.remove(file.key());
files_iterator = files.erase(files_iterator);
}
}
files_iterator++;
}
QString old_minecraft_dir(inst->gameRoot());
// We will remove all the previous overrides, to prevent duplicate files!
// TODO: Currently 'overrides' will always override the stuff on update. How do we preserve unchanged overrides?
// FIXME: We may want to do something about disabled mods.
auto old_overrides = Override::readOverrides("overrides", old_index_folder);
for (auto entry : old_overrides) {
qDebug() << "Removing" << entry;
old_minecraft_dir.remove(entry);
}
// Remove remaining old files (we need to do an API request to know which ids are which files...)
QStringList fileIds;
for (auto& file : old_files) {
fileIds.append(QString::number(file.fileId));
}
auto* raw_response = new QByteArray;
auto job = api.getFiles(fileIds, raw_response);
QEventLoop loop;
connect(job, &NetJob::succeeded, this, [raw_response, fileIds, old_inst_dir, &old_files, old_minecraft_dir] {
// Parse the API response
QJsonParseError parse_error{};
auto doc = QJsonDocument::fromJson(*raw_response, &parse_error);
if (parse_error.error != QJsonParseError::NoError) {
qWarning() << "Error while parsing JSON response from Flame files task at " << parse_error.offset
<< " reason: " << parse_error.errorString();
qWarning() << *raw_response;
return;
}
try {
QJsonArray entries;
if (fileIds.size() == 1)
entries = { Json::requireObject(Json::requireObject(doc), "data") };
else
entries = Json::requireArray(Json::requireObject(doc), "data");
for (auto entry : entries) {
auto entry_obj = Json::requireObject(entry);
Flame::File file;
// We don't care about blocked mods, we just need local data to delete the file
file.parseFromObject(entry_obj, false);
auto id = Json::requireInteger(entry_obj, "id");
old_files.insert(id, file);
}
} catch (Json::JsonException& e) {
qCritical() << e.cause() << e.what();
}
// Delete the files
for (auto& file : old_files) {
if (file.fileName.isEmpty() || file.targetFolder.isEmpty())
continue;
qDebug() << "Removing" << file.fileName << "at" << file.targetFolder;
QString path(FS::PathCombine(old_minecraft_dir, file.targetFolder, file.fileName));
if (!QFile::remove(path))
qDebug() << "Failed to remove file at" << path;
}
});
connect(job, &NetJob::finished, &loop, &QEventLoop::quit);
m_process_update_file_info_job = job;
job->start();
loop.exec();
m_process_update_file_info_job = nullptr;
}
setOverride(true);
qDebug() << "Will override instance!";
m_instance = inst;
// We let it go through the createInstance() stage, just with a couple modifications for updating
return false;
}
bool FlameCreationTask::createInstance()
{
QEventLoop loop;
QString parent_folder(FS::PathCombine(m_stagingPath, "flame"));
try {
QString index_path(FS::PathCombine(m_stagingPath, "manifest.json"));
if (!m_pack.is_loaded)
Flame::loadManifest(m_pack, index_path);
// Keep index file in case we need it some other time (like when changing versions)
QString new_index_place(FS::PathCombine(parent_folder, "manifest.json"));
FS::ensureFilePathExists(new_index_place);
QFile::rename(index_path, new_index_place);
} catch (const JSONValidationError& e) {
setError(tr("Could not understand pack manifest:\n") + e.cause());
return false;
}
if (!m_pack.overrides.isEmpty()) {
QString overridePath = FS::PathCombine(m_stagingPath, m_pack.overrides);
if (QFile::exists(overridePath)) {
// Create a list of overrides in "overrides.txt" inside flame/
Override::createOverrides("overrides", parent_folder, overridePath);
QString mcPath = FS::PathCombine(m_stagingPath, "minecraft");
if (!QFile::rename(overridePath, mcPath)) {
setError(tr("Could not rename the overrides folder:\n") + m_pack.overrides);
return false;
}
} else {
logWarning(
tr("The specified overrides folder (%1) is missing. Maybe the modpack was already used before?").arg(m_pack.overrides));
}
}
QString forgeVersion;
QString fabricVersion;
// TODO: is Quilt relevant here?
for (auto& loader : m_pack.minecraft.modLoaders) {
auto id = loader.id;
if (id.startsWith("forge-")) {
id.remove("forge-");
forgeVersion = id;
continue;
}
if (id.startsWith("fabric-")) {
id.remove("fabric-");
fabricVersion = id;
continue;
}
logWarning(tr("Unknown mod loader in manifest: %1").arg(id));
}
QString configPath = FS::PathCombine(m_stagingPath, "instance.cfg");
auto instanceSettings = std::make_shared<INISettingsObject>(configPath);
MinecraftInstance instance(m_globalSettings, instanceSettings, m_stagingPath);
auto mcVersion = m_pack.minecraft.version;
// Hack to correct some 'special sauce'...
if (mcVersion.endsWith('.')) {
mcVersion.remove(QRegularExpression("[.]+$"));
logWarning(tr("Mysterious trailing dots removed from Minecraft version while importing pack."));
}
auto components = instance.getPackProfile();
components->buildingFromScratch();
components->setComponentVersion("net.minecraft", mcVersion, true);
if (!forgeVersion.isEmpty()) {
// FIXME: dirty, nasty, hack. Proper solution requires dependency resolution and knowledge of the metadata.
if (forgeVersion == "recommended") {
if (forgemap.contains(mcVersion)) {
forgeVersion = forgemap[mcVersion];
} else {
logWarning(tr("Could not map recommended Forge version for Minecraft %1").arg(mcVersion));
}
}
components->setComponentVersion("net.minecraftforge", forgeVersion);
}
if (!fabricVersion.isEmpty())
components->setComponentVersion("net.fabricmc.fabric-loader", fabricVersion);
if (m_instIcon != "default") {
instance.setIconKey(m_instIcon);
} else {
if (m_pack.name.contains("Direwolf20")) {
instance.setIconKey("steve");
} else if (m_pack.name.contains("FTB") || m_pack.name.contains("Feed The Beast")) {
instance.setIconKey("ftb_logo");
} else {
instance.setIconKey("flame");
}
}
QString jarmodsPath = FS::PathCombine(m_stagingPath, "minecraft", "jarmods");
QFileInfo jarmodsInfo(jarmodsPath);
if (jarmodsInfo.isDir()) {
// install all the jar mods
qDebug() << "Found jarmods:";
QDir jarmodsDir(jarmodsPath);
QStringList jarMods;
for (auto info : jarmodsDir.entryInfoList(QDir::NoDotAndDotDot | QDir::Files)) {
qDebug() << info.fileName();
jarMods.push_back(info.absoluteFilePath());
}
auto profile = instance.getPackProfile();
profile->installJarMods(jarMods);
// nuke the original files
FS::deletePath(jarmodsPath);
}
instance.setManagedPack("flame", {}, m_pack.name, {}, m_pack.version);
instance.setName(name());
m_mod_id_resolver = new Flame::FileResolvingTask(APPLICATION->network(), m_pack);
connect(m_mod_id_resolver.get(), &Flame::FileResolvingTask::succeeded, this, [this, &loop] { idResolverSucceeded(loop); });
connect(m_mod_id_resolver.get(), &Flame::FileResolvingTask::failed, [&](QString reason) {
m_mod_id_resolver.reset();
setError(tr("Unable to resolve mod IDs:\n") + reason);
});
connect(m_mod_id_resolver.get(), &Flame::FileResolvingTask::progress, this, &FlameCreationTask::setProgress);
connect(m_mod_id_resolver.get(), &Flame::FileResolvingTask::status, this, &FlameCreationTask::setStatus);
m_mod_id_resolver->start();
loop.exec();
if (m_instance) {
auto inst = m_instance.value();
inst->copyManagedPack(instance);
inst->setName(instance.name());
}
return getError().isEmpty();
}
void FlameCreationTask::idResolverSucceeded(QEventLoop& loop)
{
auto results = m_mod_id_resolver->getResults();
// first check for blocked mods
QString text;
QList<QUrl> urls;
auto anyBlocked = false;
for (const auto& result : results.files.values()) {
if (!result.resolved || result.url.isEmpty()) {
text += QString("%1: <a href='%2'>%2</a><br/>").arg(result.fileName, result.websiteUrl);
urls.append(QUrl(result.websiteUrl));
anyBlocked = true;
}
}
if (anyBlocked) {
qWarning() << "Blocked mods found, displaying mod list";
auto message_dialog = new BlockedModsDialog(m_parent, tr("Blocked mods found"),
tr("The following mods were blocked on third party launchers.<br/>"
"You will need to manually download them and add them to the modpack"),
text,
urls);
message_dialog->setModal(true);
if (message_dialog->exec()) {
setupDownloadJob(loop);
} else {
m_mod_id_resolver.reset();
setError("Canceled");
loop.quit();
}
} else {
setupDownloadJob(loop);
}
}
void FlameCreationTask::setupDownloadJob(QEventLoop& loop)
{
m_files_job = new NetJob(tr("Mod download"), APPLICATION->network());
for (const auto& result : m_mod_id_resolver->getResults().files) {
QString filename = result.fileName;
if (!result.required) {
filename += ".disabled";
}
auto relpath = FS::PathCombine("minecraft", result.targetFolder, filename);
auto path = FS::PathCombine(m_stagingPath, relpath);
switch (result.type) {
case Flame::File::Type::Folder: {
logWarning(tr("This 'Folder' may need extracting: %1").arg(relpath));
// fall-through intentional, we treat these as plain old mods and dump them wherever.
}
case Flame::File::Type::SingleFile:
case Flame::File::Type::Mod: {
if (!result.url.isEmpty()) {
qDebug() << "Will download" << result.url << "to" << path;
auto dl = Net::Download::makeFile(result.url, path);
m_files_job->addNetAction(dl);
}
break;
}
case Flame::File::Type::Modpack:
logWarning(tr("Nesting modpacks in modpacks is not implemented, nothing was downloaded: %1").arg(relpath));
break;
case Flame::File::Type::Cmod2:
case Flame::File::Type::Ctoc:
case Flame::File::Type::Unknown:
logWarning(tr("Unrecognized/unhandled PackageType for: %1").arg(relpath));
break;
}
}
m_mod_id_resolver.reset();
connect(m_files_job.get(), &NetJob::succeeded, this, [&]() {
m_files_job.reset();
emitSucceeded();
});
connect(m_files_job.get(), &NetJob::failed, [&](QString reason) {
m_files_job.reset();
setError(reason);
});
connect(m_files_job.get(), &NetJob::progress, [&](qint64 current, qint64 total) { setProgress(current, total); });
connect(m_files_job.get(), &NetJob::finished, &loop, &QEventLoop::quit);
setStatus(tr("Downloading mods..."));
m_files_job->start();
}