Merge pull request #1249 from Trial97/curse

Curseforge modpack export

launcher/CMakeLists.txt

@@ -514,6 +514,8 @@ set(FLAME_SOURCES
     modplatform/flame/FlameCheckUpdate.h
     modplatform/flame/FlameInstanceCreationTask.h
     modplatform/flame/FlameInstanceCreationTask.cpp
+    modplatform/flame/FlamePackExportTask.h
+    modplatform/flame/FlamePackExportTask.cpp
 )
 
 set(MODRINTH_SOURCES
@@ -907,8 +909,8 @@ SET(LAUNCHER_SOURCES
     ui/dialogs/EditAccountDialog.h
     ui/dialogs/ExportInstanceDialog.cpp
     ui/dialogs/ExportInstanceDialog.h
-    ui/dialogs/ExportMrPackDialog.cpp
-    ui/dialogs/ExportMrPackDialog.h
+    ui/dialogs/ExportPackDialog.cpp
+    ui/dialogs/ExportPackDialog.h
     ui/dialogs/IconPickerDialog.cpp
     ui/dialogs/IconPickerDialog.h
     ui/dialogs/ImportResourceDialog.cpp
@@ -1055,7 +1057,7 @@ qt_wrap_ui(LAUNCHER_UI
     ui/dialogs/ProfileSelectDialog.ui
     ui/dialogs/SkinUploadDialog.ui
     ui/dialogs/ExportInstanceDialog.ui
-    ui/dialogs/ExportMrPackDialog.ui
+    ui/dialogs/ExportPackDialog.ui
     ui/dialogs/IconPickerDialog.ui
     ui/dialogs/ImportResourceDialog.ui
     ui/dialogs/MSALoginDialog.ui

launcher/modplatform/ModIndex.h

@@ -128,6 +128,7 @@ struct IndexedPack {
         return std::any_of(versions.constBegin(), versions.constEnd(), [](auto const& v) { return v.is_currently_selected; });
     }
 };
+QString getMetaURL(ResourceProvider provider, QVariant projectID);
 
 struct OverrideDep {
     QString quilt;

launcher/modplatform/flame/FlamePackExportTask.cpp

@@ -0,0 +1,473 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
+ *  Copyright (c) 2023 Trial97 <alexandru.tripon97@gmail.com>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "FlamePackExportTask.h"
+#include <QJsonArray>
+#include <QJsonObject>
+
+#include <QCryptographicHash>
+#include <QFileInfo>
+#include <QMessageBox>
+#include <QtConcurrentRun>
+#include <algorithm>
+#include <memory>
+#include "Json.h"
+#include "MMCZip.h"
+#include "minecraft/PackProfile.h"
+#include "minecraft/mod/ModFolderModel.h"
+#include "modplatform/ModIndex.h"
+#include "modplatform/flame/FlameModIndex.h"
+#include "modplatform/helpers/HashUtils.h"
+#include "tasks/Task.h"
+
+const QString FlamePackExportTask::TEMPLATE = "<li><a href=\"{url}\">{name}{authors}</a></li>\n";
+const QStringList FlamePackExportTask::FILE_EXTENSIONS({ "jar", "zip" });
+
+FlamePackExportTask::FlamePackExportTask(const QString& name,
+                                         const QString& version,
+                                         const QString& author,
+                                         InstancePtr instance,
+                                         const QString& output,
+                                         MMCZip::FilterFunction filter)
+    : name(name)
+    , version(version)
+    , author(author)
+    , instance(instance)
+    , mcInstance(dynamic_cast<MinecraftInstance*>(instance.get()))
+    , gameRoot(instance->gameRoot())
+    , output(output)
+    , filter(filter)
+{}
+
+void FlamePackExportTask::executeTask()
+{
+    setStatus(tr("Searching for files..."));
+    setProgress(0, 5);
+    collectFiles();
+}
+
+bool FlamePackExportTask::abort()
+{
+    if (task != nullptr) {
+        task->abort();
+        task = nullptr;
+        emitAborted();
+        return true;
+    }
+
+    if (buildZipFuture.isRunning()) {
+        buildZipFuture.cancel();
+        // NOTE: Here we don't do `emitAborted()` because it will be done when `buildZipFuture` actually cancels, which may not occur
+        // immediately.
+        return true;
+    }
+
+    return false;
+}
+
+void FlamePackExportTask::collectFiles()
+{
+    setAbortable(false);
+    QCoreApplication::processEvents();
+
+    files.clear();
+    if (!MMCZip::collectFileListRecursively(instance->gameRoot(), nullptr, &files, filter)) {
+        emitFailed(tr("Could not search for files"));
+        return;
+    }
+
+    pendingHashes.clear();
+    resolvedFiles.clear();
+
+    if (mcInstance != nullptr) {
+        mcInstance->loaderModList()->update();
+        connect(mcInstance->loaderModList().get(), &ModFolderModel::updateFinished, this, &FlamePackExportTask::collectHashes);
+    } else
+        collectHashes();
+}
+
+void FlamePackExportTask::collectHashes()
+{
+    setAbortable(true);
+    setStatus(tr("Finding file hashes..."));
+    setProgress(1, 5);
+    auto allMods = mcInstance->loaderModList()->allMods();
+    ConcurrentTask::Ptr hashingTask(new ConcurrentTask(this, "MakeHashesTask", 10));
+    task.reset(hashingTask);
+    for (const QFileInfo& file : files) {
+        const QString relative = gameRoot.relativeFilePath(file.absoluteFilePath());
+        // require sensible file types
+        if (!std::any_of(FILE_EXTENSIONS.begin(), FILE_EXTENSIONS.end(), [&relative](const QString& extension) {
+                return relative.endsWith('.' + extension) || relative.endsWith('.' + extension + ".disabled");
+            }))
+            continue;
+
+        if (relative.startsWith("resourcepacks/") &&
+            (relative.endsWith(".zip") || relative.endsWith(".zip.disabled"))) {  // is resourcepack
+            auto hashTask = Hashing::createFlameHasher(file.absoluteFilePath());
+            connect(hashTask.get(), &Hashing::Hasher::resultsReady, [this, relative, file](QString hash) {
+                if (m_state == Task::State::Running) {
+                    pendingHashes.insert(hash, { relative, file.absoluteFilePath(), relative.endsWith(".zip") });
+                }
+            });
+            connect(hashTask.get(), &Task::failed, this, &FlamePackExportTask::emitFailed);
+            hashingTask->addTask(hashTask);
+            continue;
+        }
+
+        if (auto modIter = std::find_if(allMods.begin(), allMods.end(), [&file](Mod* mod) { return mod->fileinfo() == file; });
+            modIter != allMods.end()) {
+            const Mod* mod = *modIter;
+            if (!mod || mod->type() == ResourceType::FOLDER) {
+                continue;
+            }
+            if (mod->metadata() && mod->metadata()->provider == ModPlatform::ResourceProvider::FLAME) {
+                resolvedFiles.insert(mod->fileinfo().absoluteFilePath(),
+                                     { mod->metadata()->project_id.toInt(), mod->metadata()->file_id.toInt(), mod->enabled(), true,
+                                       mod->metadata()->name, mod->metadata()->slug, mod->authors().join(", ") });
+                continue;
+            }
+
+            auto hashTask = Hashing::createFlameHasher(mod->fileinfo().absoluteFilePath());
+            connect(hashTask.get(), &Hashing::Hasher::resultsReady, [this, mod](QString hash) {
+                if (m_state == Task::State::Running) {
+                    pendingHashes.insert(hash, { mod->name(), mod->fileinfo().absoluteFilePath(), mod->enabled(), true });
+                }
+            });
+            connect(hashTask.get(), &Task::failed, this, &FlamePackExportTask::emitFailed);
+            hashingTask->addTask(hashTask);
+        }
+    }
+    auto progressStep = std::make_shared<TaskStepProgress>();
+    connect(hashingTask.get(), &Task::finished, this, [this, progressStep] {
+        progressStep->state = TaskStepState::Succeeded;
+        stepProgress(*progressStep);
+    });
+
+    connect(hashingTask.get(), &Task::succeeded, this, &FlamePackExportTask::makeApiRequest);
+    connect(hashingTask.get(), &Task::failed, this, [this, progressStep](QString reason) {
+        progressStep->state = TaskStepState::Failed;
+        stepProgress(*progressStep);
+        emitFailed(reason);
+    });
+    connect(hashingTask.get(), &Task::stepProgress, this, &FlamePackExportTask::propogateStepProgress);
+
+    connect(hashingTask.get(), &Task::progress, this, [this, progressStep](qint64 current, qint64 total) {
+        progressStep->update(current, total);
+        stepProgress(*progressStep);
+    });
+    connect(hashingTask.get(), &Task::status, this, [this, progressStep](QString status) {
+        progressStep->status = status;
+        stepProgress(*progressStep);
+    });
+    hashingTask->start();
+}
+
+void FlamePackExportTask::makeApiRequest()
+{
+    if (pendingHashes.isEmpty()) {
+        buildZip();
+        return;
+    }
+
+    setStatus(tr("Finding versions for hashes..."));
+    setProgress(2, 5);
+    auto response = std::make_shared<QByteArray>();
+
+    QList<uint> fingerprints;
+    for (auto& murmur : pendingHashes.keys()) {
+        fingerprints.push_back(murmur.toUInt());
+    }
+
+    task.reset(api.matchFingerprints(fingerprints, response));
+
+    connect(task.get(), &Task::succeeded, this, [this, response] {
+        QJsonParseError parseError{};
+        QJsonDocument doc = QJsonDocument::fromJson(*response, &parseError);
+        if (parseError.error != QJsonParseError::NoError) {
+            qWarning() << "Error while parsing JSON response from CurseForge::CurrentVersions at " << parseError.offset
+                       << " reason: " << parseError.errorString();
+            qWarning() << *response;
+
+            failed(parseError.errorString());
+            return;
+        }
+
+        try {
+            auto docObj = Json::requireObject(doc);
+            auto dataObj = Json::requireObject(docObj, "data");
+            auto dataArr = Json::requireArray(dataObj, "exactMatches");
+
+            if (dataArr.isEmpty()) {
+                qWarning() << "No matches found for fingerprint search!";
+
+                return;
+            }
+            for (auto match : dataArr) {
+                auto matchObj = Json::ensureObject(match, {});
+                auto fileObj = Json::ensureObject(matchObj, "file", {});
+
+                if (matchObj.isEmpty() || fileObj.isEmpty()) {
+                    qWarning() << "Fingerprint match is empty!";
+
+                    return;
+                }
+
+                auto fingerprint = QString::number(Json::ensureVariant(fileObj, "fileFingerprint").toUInt());
+                auto mod = pendingHashes.find(fingerprint);
+                if (mod == pendingHashes.end()) {
+                    qWarning() << "Invalid fingerprint from the API response.";
+                    continue;
+                }
+
+                setStatus(tr("Parsing API response from CurseForge for '%1'...").arg(mod->name));
+                if (Json::ensureBoolean(fileObj, "isAvailable", false, "isAvailable"))
+                    resolvedFiles.insert(mod->path, { Json::requireInteger(fileObj, "modId"), Json::requireInteger(fileObj, "id"),
+                                                      mod->enabled, mod->isMod });
+            }
+
+        } catch (Json::JsonException& e) {
+            qDebug() << e.cause();
+            qDebug() << doc;
+        }
+        pendingHashes.clear();
+    });
+    connect(task.get(), &Task::finished, this, &FlamePackExportTask::getProjectsInfo);
+    connect(task.get(), &NetJob::failed, this, &FlamePackExportTask::emitFailed);
+    task->start();
+}
+
+void FlamePackExportTask::getProjectsInfo()
+{
+    setStatus(tr("Finding project info from CurseForge..."));
+    setProgress(3, 5);
+    QStringList addonIds;
+    for (const auto& resolved : resolvedFiles) {
+        if (resolved.slug.isEmpty()) {
+            addonIds << QString::number(resolved.addonId);
+        }
+    }
+
+    auto response = std::make_shared<QByteArray>();
+    Task::Ptr projTask;
+
+    if (addonIds.isEmpty()) {
+        buildZip();
+        return;
+    } else if (addonIds.size() == 1) {
+        projTask = api.getProject(*addonIds.begin(), response);
+    } else {
+        projTask = api.getProjects(addonIds, response);
+    }
+
+    connect(projTask.get(), &Task::succeeded, this, [this, response, addonIds] {
+        QJsonParseError parseError{};
+        auto doc = QJsonDocument::fromJson(*response, &parseError);
+        if (parseError.error != QJsonParseError::NoError) {
+            qWarning() << "Error while parsing JSON response from CurseForge projects task at " << parseError.offset
+                       << " reason: " << parseError.errorString();
+            qWarning() << *response;
+            failed(parseError.errorString());
+            return;
+        }
+
+        try {
+            QJsonArray entries;
+            if (addonIds.size() == 1)
+                entries = { Json::requireObject(Json::requireObject(doc), "data") };
+            else
+                entries = Json::requireArray(Json::requireObject(doc), "data");
+
+            for (auto entry : entries) {
+                auto entryObj = Json::requireObject(entry);
+
+                try {
+                    setStatus(tr("Parsing API response from CurseForge for '%1'...").arg(Json::requireString(entryObj, "name")));
+
+                    ModPlatform::IndexedPack pack;
+                    FlameMod::loadIndexedPack(pack, entryObj);
+                    for (auto key : resolvedFiles.keys()) {
+                        auto val = resolvedFiles.value(key);
+                        if (val.addonId == pack.addonId) {
+                            val.name = pack.name;
+                            val.slug = pack.slug;
+                            QStringList authors;
+                            for (auto author : pack.authors)
+                                authors << author.name;
+
+                            val.authors = authors.join(", ");
+                            resolvedFiles[key] = val;
+                        }
+                    }
+
+                } catch (Json::JsonException& e) {
+                    qDebug() << e.cause();
+                    qDebug() << entries;
+                }
+            }
+        } catch (Json::JsonException& e) {
+            qDebug() << e.cause();
+            qDebug() << doc;
+        }
+        buildZip();
+    });
+    task.reset(projTask);
+    task->start();
+}
+
+void FlamePackExportTask::buildZip()
+{
+    setStatus(tr("Adding files..."));
+    setProgress(4, 5);
+
+    buildZipFuture = QtConcurrent::run(QThreadPool::globalInstance(), [this]() {
+        QuaZip zip(output);
+        if (!zip.open(QuaZip::mdCreate)) {
+            QFile::remove(output);
+            return BuildZipResult(tr("Could not create file"));
+        }
+
+        if (buildZipFuture.isCanceled())
+            return BuildZipResult();
+
+        QuaZipFile indexFile(&zip);
+        if (!indexFile.open(QIODevice::WriteOnly, QuaZipNewInfo("manifest.json"))) {
+            QFile::remove(output);
+            return BuildZipResult(tr("Could not create index"));
+        }
+        indexFile.write(generateIndex());
+
+        QuaZipFile modlist(&zip);
+        if (!modlist.open(QIODevice::WriteOnly, QuaZipNewInfo("modlist.html"))) {
+            QFile::remove(output);
+            return BuildZipResult(tr("Could not create index"));
+        }
+        QString content = "";
+        for (auto mod : resolvedFiles) {
+            if (mod.isMod) {
+                content += QString(TEMPLATE)
+                               .replace("{name}", mod.name.toHtmlEscaped())
+                               .replace("{url}", ModPlatform::getMetaURL(ModPlatform::ResourceProvider::FLAME, mod.addonId).toHtmlEscaped())
+                               .replace("{authors}", !mod.authors.isEmpty() ? QString(" (by %1)").arg(mod.authors).toHtmlEscaped() : "");
+            }
+        }
+        content = "<ul>" + content + "</ul>";
+        modlist.write(content.toUtf8());
+
+        auto progressStep = std::make_shared<TaskStepProgress>();
+
+        size_t progress = 0;
+        for (const QFileInfo& file : files) {
+            if (buildZipFuture.isCanceled()) {
+                QFile::remove(output);
+                progressStep->state = TaskStepState::Failed;
+                stepProgress(*progressStep);
+                return BuildZipResult();
+            }
+            progressStep->update(progress, files.length());
+            stepProgress(*progressStep);
+
+            const QString relative = gameRoot.relativeFilePath(file.absoluteFilePath());
+            if (!resolvedFiles.contains(file.absoluteFilePath()) &&
+                !JlCompress::compressFile(&zip, file.absoluteFilePath(), "overrides/" + relative)) {
+                QFile::remove(output);
+                return BuildZipResult(tr("Could not read and compress %1").arg(relative));
+            }
+            progress++;
+        }
+
+        zip.close();
+
+        if (zip.getZipError() != 0) {
+            QFile::remove(output);
+            progressStep->state = TaskStepState::Failed;
+            stepProgress(*progressStep);
+            return BuildZipResult(tr("A zip error occurred"));
+        }
+        progressStep->state = TaskStepState::Succeeded;
+        stepProgress(*progressStep);
+        return BuildZipResult();
+    });
+    connect(&buildZipWatcher, &QFutureWatcher<BuildZipResult>::finished, this, &FlamePackExportTask::finish);
+    buildZipWatcher.setFuture(buildZipFuture);
+}
+
+void FlamePackExportTask::finish()
+{
+    if (buildZipFuture.isCanceled())
+        emitAborted();
+    else {
+        const BuildZipResult result = buildZipFuture.result();
+        if (result.has_value())
+            emitFailed(result.value());
+        else
+            emitSucceeded();
+    }
+}
+
+QByteArray FlamePackExportTask::generateIndex()
+{
+    QJsonObject obj;
+    obj["manifestType"] = "minecraftModpack";
+    obj["manifestVersion"] = 1;
+    obj["name"] = name;
+    obj["version"] = version;
+    obj["author"] = author;
+    obj["overrides"] = "overrides";
+    if (mcInstance) {
+        QJsonObject version;
+        auto profile = mcInstance->getPackProfile();
+        // collect all supported components
+        const ComponentPtr minecraft = profile->getComponent("net.minecraft");
+        const ComponentPtr quilt = profile->getComponent("org.quiltmc.quilt-loader");
+        const ComponentPtr fabric = profile->getComponent("net.fabricmc.fabric-loader");
+        const ComponentPtr forge = profile->getComponent("net.minecraftforge");
+
+        // convert all available components to mrpack dependencies
+        if (minecraft != nullptr)
+            version["version"] = minecraft->m_version;
+        QString id;
+        if (quilt != nullptr)
+            id = "quilt-" + quilt->getVersion();
+        else if (fabric != nullptr)
+            id = "fabric-" + fabric->getVersion();
+        else if (forge != nullptr)
+            id = "forge-" + forge->getVersion();
+        version["modLoaders"] = QJsonArray();
+        if (!id.isEmpty()) {
+            QJsonObject loader;
+            loader["id"] = id;
+            loader["primary"] = true;
+            version["modLoaders"] = QJsonArray({ loader });
+        }
+        obj["minecraft"] = version;
+    }
+
+    QJsonArray files;
+    for (auto mod : resolvedFiles) {
+        QJsonObject file;
+        file["projectID"] = mod.addonId;
+        file["fileID"] = mod.version;
+        file["required"] = mod.enabled;
+        files << file;
+    }
+    obj["files"] = files;
+
+    return QJsonDocument(obj).toJson(QJsonDocument::Compact);
+}

launcher/modplatform/flame/FlamePackExportTask.h

@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
+ *  Copyright (c) 2023 Trial97 <alexandru.tripon97@gmail.com>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QFuture>
+#include <QFutureWatcher>
+#include "BaseInstance.h"
+#include "MMCZip.h"
+#include "minecraft/MinecraftInstance.h"
+#include "modplatform/flame/FlameAPI.h"
+#include "tasks/Task.h"
+
+class FlamePackExportTask : public Task {
+   public:
+    FlamePackExportTask(const QString& name,
+                        const QString& version,
+                        const QString& author,
+                        InstancePtr instance,
+                        const QString& output,
+                        MMCZip::FilterFunction filter);
+
+   protected:
+    void executeTask() override;
+    bool abort() override;
+
+   private:
+    static const QString TEMPLATE;
+    static const QStringList FILE_EXTENSIONS;
+
+    // inputs
+    const QString name, version, author;
+    const InstancePtr instance;
+    MinecraftInstance* mcInstance;
+    const QDir gameRoot;
+    const QString output;
+    const MMCZip::FilterFunction filter;
+
+    typedef std::optional<QString> BuildZipResult;
+    struct ResolvedFile {
+        int addonId;
+        int version;
+        bool enabled;
+        bool isMod;
+
+        QString name;
+        QString slug;
+        QString authors;
+    };
+    struct HashInfo {
+        QString name;
+        QString path;
+        bool enabled;
+        bool isMod;
+    };
+
+    FlameAPI api;
+
+    QFileInfoList files;
+    QMap<QString, HashInfo> pendingHashes{};
+    QMap<QString, ResolvedFile> resolvedFiles{};
+    Task::Ptr task;
+    QFuture<BuildZipResult> buildZipFuture;
+    QFutureWatcher<BuildZipResult> buildZipWatcher;
+
+    void collectFiles();
+    void collectHashes();
+    void makeApiRequest();
+    void getProjectsInfo();
+    void buildZip();
+    void finish();
+
+    QByteArray generateIndex();
+};

launcher/modplatform/modrinth/ModrinthPackExportTask.cpp

@@ -64,7 +64,8 @@ bool ModrinthPackExportTask::abort()
 
     if (buildZipFuture.isRunning()) {
         buildZipFuture.cancel();
-        // NOTE: Here we don't do `emitAborted()` because it will be done when `buildZipFuture` actually cancels, which may not occur immediately.
+        // NOTE: Here we don't do `emitAborted()` because it will be done when `buildZipFuture` actually cancels, which may not occur
+        // immediately.
         return true;
     }
 
@@ -94,6 +95,7 @@ void ModrinthPackExportTask::collectFiles()
 
 void ModrinthPackExportTask::collectHashes()
 {
+    setStatus(tr("Finding file hashes..."));
     for (const QFileInfo& file : files) {
         QCoreApplication::processEvents();
 
@@ -157,6 +159,7 @@ void ModrinthPackExportTask::makeApiRequest()
     if (pendingHashes.isEmpty())
         buildZip();
     else {
+        setStatus(tr("Finding versions for hashes..."));
         auto response = std::make_shared<QByteArray>();
         task = api.currentVersions(pendingHashes.values(), "sha512", response);
         connect(task.get(), &NetJob::succeeded, [this, response]() { parseApiResponse(response); });

launcher/ui/MainWindow.cpp

@@ -107,7 +107,7 @@
 #include "ui/dialogs/CopyInstanceDialog.h"
 #include "ui/dialogs/EditAccountDialog.h"
 #include "ui/dialogs/ExportInstanceDialog.h"
-#include "ui/dialogs/ExportMrPackDialog.h"
+#include "ui/dialogs/ExportPackDialog.h"
 #include "ui/dialogs/ImportResourceDialog.h"
 #include "ui/themes/ITheme.h"
 #include "ui/themes/ThemeManager.h"
@@ -205,6 +205,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWi
         auto exportInstanceMenu = new QMenu(this);
         exportInstanceMenu->addAction(ui->actionExportInstanceZip);
         exportInstanceMenu->addAction(ui->actionExportInstanceMrPack);
+        exportInstanceMenu->addAction(ui->actionExportInstanceFlamePack);
         ui->actionExportInstance->setMenu(exportInstanceMenu);
     }
 
@@ -1405,11 +1406,35 @@ void MainWindow::on_actionExportInstanceMrPack_triggered()
 {
     if (m_selectedInstance)
     {
-        ExportMrPackDialog dlg(m_selectedInstance, this);
+        ExportPackDialog dlg(m_selectedInstance, this);
         dlg.exec();
     }
 }
 
+void MainWindow::on_actionExportInstanceFlamePack_triggered()
+{
+    if (m_selectedInstance) {
+        auto instance = dynamic_cast<MinecraftInstance*>(m_selectedInstance.get());
+        if (instance) {
+            QString errorMsg;
+            if (instance->getPackProfile()->getComponent("org.quiltmc.quilt-loader")) {
+                errorMsg = tr("Quilt is currently not supported by CurseForge modpacks.");
+            } else if (auto cmp = instance->getPackProfile()->getComponent("net.minecraft");
+                       cmp && cmp->getVersionFile() && cmp->getVersionFile()->type == "snapshot") {
+                errorMsg = tr("Snapshots are currently not supported by CurseForge modpacks.");
+            }
+            if (!errorMsg.isEmpty()) {
+                QMessageBox msgBox;
+                msgBox.setText(errorMsg);
+                msgBox.exec();
+                return;
+            }
+            ExportPackDialog dlg(m_selectedInstance, this, ModPlatform::ResourceProvider::FLAME);
+            dlg.exec();
+        }
+    }
+}
+
 void MainWindow::on_actionRenameInstance_triggered()
 {
     if (m_selectedInstance)

launcher/ui/MainWindow.h

@@ -157,6 +157,7 @@ private slots:
     inline void on_actionExportInstance_triggered() { on_actionExportInstanceZip_triggered(); }
     void on_actionExportInstanceZip_triggered();
     void on_actionExportInstanceMrPack_triggered();
+    void on_actionExportInstanceFlamePack_triggered();
 
     void on_actionRenameInstance_triggered();
 

launcher/ui/MainWindow.ui

@@ -479,6 +479,14 @@
     <string>Modrinth (mrpack)</string>
    </property>
   </action>
+  <action name="actionExportInstanceFlamePack">
+   <property name="icon">
+    <iconset theme="flame"/>
+   </property>
+   <property name="text">
+    <string>CurseForge (zip)</string>
+   </property>
+  </action>
   <action name="actionCreateInstanceShortcut">
    <property name="icon">
     <iconset theme="shortcut">

launcher/ui/dialogs/ExportPackDialog.cpp

@@ -16,11 +16,13 @@
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-#include "ExportMrPackDialog.h"
+#include "ExportPackDialog.h"
 #include "minecraft/mod/ModFolderModel.h"
+#include "modplatform/ModIndex.h"
+#include "modplatform/flame/FlamePackExportTask.h"
 #include "ui/dialogs/CustomMessageBox.h"
 #include "ui/dialogs/ProgressDialog.h"
-#include "ui_ExportMrPackDialog.h"
+#include "ui_ExportPackDialog.h"
 
 #include <QFileDialog>
 #include <QFileSystemModel>
@@ -32,17 +34,24 @@
 #include "MMCZip.h"
 #include "modplatform/modrinth/ModrinthPackExportTask.h"
 
-ExportMrPackDialog::ExportMrPackDialog(InstancePtr instance, QWidget* parent)
-    : QDialog(parent), instance(instance), ui(new Ui::ExportMrPackDialog)
+ExportPackDialog::ExportPackDialog(InstancePtr instance, QWidget* parent, ModPlatform::ResourceProvider provider)
+    : QDialog(parent), instance(instance), ui(new Ui::ExportPackDialog), m_provider(provider)
 {
     ui->setupUi(this);
     ui->name->setText(instance->name());
-    ui->summary->setText(instance->notes().split(QRegularExpression("\\r?\\n"))[0]);
+    if (m_provider == ModPlatform::ResourceProvider::MODRINTH) {
+        ui->summary->setText(instance->notes().split(QRegularExpression("\\r?\\n"))[0]);
+        setWindowTitle("Export Modrinth Pack");
+    } else {
+        setWindowTitle("Export CurseForge Pack");
+        ui->version->setText("");
+        ui->summaryLabel->setText("Author");
+    }
 
     // ensure a valid pack is generated
     // the name and version fields mustn't be empty
-    connect(ui->name, &QLineEdit::textEdited, this, &ExportMrPackDialog::validate);
-    connect(ui->version, &QLineEdit::textEdited, this, &ExportMrPackDialog::validate);
+    connect(ui->name, &QLineEdit::textEdited, this, &ExportPackDialog::validate);
+    connect(ui->version, &QLineEdit::textEdited, this, &ExportPackDialog::validate);
     // the instance name can technically be empty
     validate();
 
@@ -66,6 +75,7 @@ ExportMrPackDialog::ExportMrPackDialog(InstancePtr instance, QWidget* parent)
 
     MinecraftInstance* mcInstance = dynamic_cast<MinecraftInstance*>(instance.get());
     if (mcInstance) {
+        mcInstance->loaderModList()->update();
         const QDir index = mcInstance->loaderModList()->indexDir();
         if (index.exists())
             proxy->blockedPaths().insert(root.relativeFilePath(index.absolutePath()));
@@ -83,43 +93,54 @@ ExportMrPackDialog::ExportMrPackDialog(InstancePtr instance, QWidget* parent)
     headerView->setSectionResizeMode(0, QHeaderView::Stretch);
 }
 
-ExportMrPackDialog::~ExportMrPackDialog()
+ExportPackDialog::~ExportPackDialog()
 {
     delete ui;
 }
 
-void ExportMrPackDialog::done(int result)
+void ExportPackDialog::done(int result)
 {
     if (result == Accepted) {
         const QString filename = FS::RemoveInvalidFilenameChars(ui->name->text());
-        const QString output = QFileDialog::getSaveFileName(this, tr("Export %1").arg(ui->name->text()),
-                                                            FS::PathCombine(QDir::homePath(), filename + ".mrpack"),
-                                                            "Modrinth pack (*.mrpack *.zip)", nullptr);
+        QString output;
+        if (m_provider == ModPlatform::ResourceProvider::MODRINTH)
+            output = QFileDialog::getSaveFileName(this, tr("Export %1").arg(ui->name->text()),
+                                                  FS::PathCombine(QDir::homePath(), filename + ".mrpack"), "Modrinth pack (*.mrpack *.zip)",
+                                                  nullptr);
+        else
+            output = QFileDialog::getSaveFileName(this, tr("Export %1").arg(ui->name->text()),
+                                                  FS::PathCombine(QDir::homePath(), filename + ".zip"), "CurseForge pack (*.zip)", nullptr);
 
         if (output.isEmpty())
             return;
+        Task* task;
+        if (m_provider == ModPlatform::ResourceProvider::MODRINTH)
+            task = new ModrinthPackExportTask(ui->name->text(), ui->version->text(), ui->summary->text(), instance, output,
+                                              std::bind(&FileIgnoreProxy::filterFile, proxy, std::placeholders::_1));
+        else
+            task = new FlamePackExportTask(ui->name->text(), ui->version->text(), ui->summary->text(), instance, output,
+                                           std::bind(&FileIgnoreProxy::filterFile, proxy, std::placeholders::_1));
 
-        ModrinthPackExportTask task(ui->name->text(), ui->version->text(), ui->summary->text(), instance, output,
-                                    std::bind(&FileIgnoreProxy::filterFile, proxy, std::placeholders::_1));
-
-        connect(&task, &Task::failed,
+        connect(task, &Task::failed,
                 [this](const QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->show(); });
-        connect(&task, &Task::aborted, [this] {
+        connect(task, &Task::aborted, [this] {
             CustomMessageBox::selectable(this, tr("Task aborted"), tr("The task has been aborted by the user."), QMessageBox::Information)
                 ->show();
         });
+        connect(task, &Task::finished, [task] { task->deleteLater(); });
 
         ProgressDialog progress(this);
         progress.setSkipButton(true, tr("Abort"));
-        if (progress.execWithTask(&task) != QDialog::Accepted)
+        if (progress.execWithTask(task) != QDialog::Accepted)
             return;
     }
 
     QDialog::done(result);
 }
 
-void ExportMrPackDialog::validate()
+void ExportPackDialog::validate()
 {
-    const bool invalid = ui->name->text().isEmpty() || ui->version->text().isEmpty();
+    const bool invalid =
+        ui->name->text().isEmpty() || ((m_provider == ModPlatform::ResourceProvider::MODRINTH) && ui->version->text().isEmpty());
     ui->buttonBox->button(QDialogButtonBox::Ok)->setDisabled(invalid);
 }

launcher/ui/dialogs/ExportPackDialog.h

@@ -22,24 +22,28 @@
 #include "BaseInstance.h"
 #include "FastFileIconProvider.h"
 #include "FileIgnoreProxy.h"
+#include "modplatform/ModIndex.h"
 
 namespace Ui {
-class ExportMrPackDialog;
+class ExportPackDialog;
 }
 
-class ExportMrPackDialog : public QDialog {
+class ExportPackDialog : public QDialog {
     Q_OBJECT
 
    public:
-    explicit ExportMrPackDialog(InstancePtr instance, QWidget* parent = nullptr);
-    ~ExportMrPackDialog();
+    explicit ExportPackDialog(InstancePtr instance,
+                              QWidget* parent = nullptr,
+                              ModPlatform::ResourceProvider provider = ModPlatform::ResourceProvider::MODRINTH);
+    ~ExportPackDialog();
 
     void done(int result) override;
     void validate();
 
    private:
     const InstancePtr instance;
-    Ui::ExportMrPackDialog* ui;
+    Ui::ExportPackDialog* ui;
     FileIgnoreProxy* proxy;
     FastFileIconProvider icons;
+    const ModPlatform::ResourceProvider m_provider;
 };

launcher/ui/dialogs/ExportPackDialog.ui

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>ExportMrPackDialog</class>
- <widget class="QDialog" name="ExportMrPackDialog">
+ <class>ExportPackDialog</class>
+ <widget class="QDialog" name="ExportPackDialog">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Export Modrinth Pack</string>
+   <string>Export Pack</string>
   </property>
   <property name="sizeGripEnabled">
    <bool>true</bool>
@@ -24,7 +24,7 @@
      </property>
      <layout class="QGridLayout" name="gridLayout">
       <item row="3" column="0">
-       <widget class="QLabel" name="versionLabel">
+       <widget class="QLabel" name="summaryLabel">
         <property name="text">
          <string>Summary</string>
         </property>
@@ -41,7 +41,7 @@
        </widget>
       </item>
       <item row="1" column="0">
-       <widget class="QLabel" name="summaryLabel">
+       <widget class="QLabel" name="versionLabel">
         <property name="text">
          <string>Version</string>
         </property>
@@ -57,6 +57,7 @@
         </property>
        </widget>
       </item>
+     
      </layout>
     </widget>
    </item>
@@ -103,7 +104,7 @@
   <connection>
    <sender>buttonBox</sender>
    <signal>accepted()</signal>
-   <receiver>ExportMrPackDialog</receiver>
+   <receiver>ExportPackDialog</receiver>
    <slot>accept()</slot>
    <hints>
     <hint type="sourcelabel">
@@ -119,7 +120,7 @@
   <connection>
    <sender>buttonBox</sender>
    <signal>rejected()</signal>
-   <receiver>ExportMrPackDialog</receiver>
+   <receiver>ExportPackDialog</receiver>
    <slot>reject()</slot>
    <hints>
     <hint type="sourcelabel">

launcher/ui/pages/global/LauncherPage.ui

@@ -169,7 +169,7 @@
           <item>
            <widget class="QCheckBox" name="metadataDisableBtn">
             <property name="toolTip">
-             <string>Disable using metadata provided by mod providers (like Modrinth or Curseforge) for mods.</string>
+             <string>Disable using metadata provided by mod providers (like Modrinth or CurseForge) for mods.</string>
             </property>
             <property name="text">
              <string>Disable using metadata for mods</string>