GH-4699 Modrinth pack exporter (WIP)

launcher/CMakeLists.txt

@@ -36,6 +36,8 @@ set(CORE_SOURCES
     InstanceCopyTask.cpp
     InstanceImportTask.h
     InstanceImportTask.cpp
+    ModrinthInstanceExportTask.h
+    ModrinthInstanceExportTask.cpp
 
     # Use tracking separate from memory management
     Usable.h
@@ -784,6 +786,10 @@ SET(LAUNCHER_SOURCES
     ui/dialogs/SkinUploadDialog.h
     ui/dialogs/CreateShortcutDialog.cpp
     ui/dialogs/CreateShortcutDialog.h
+    ui/dialogs/SelectInstanceExportFormatDialog.cpp
+    ui/dialogs/SelectInstanceExportFormatDialog.h
+    ui/dialogs/ModrinthExportDialog.cpp
+    ui/dialogs/ModrinthExportDialog.h
 
     # GUI - widgets
     ui/widgets/Common.cpp
@@ -882,6 +888,8 @@ qt5_wrap_ui(LAUNCHER_UI
     ui/dialogs/LoginDialog.ui
     ui/dialogs/EditAccountDialog.ui
     ui/dialogs/CreateShortcutDialog.ui
+    ui/dialogs/SelectInstanceExportFormatDialog.ui
+    ui/dialogs/ModrinthExportDialog.ui
 )
 
 qt5_add_resources(LAUNCHER_RESOURCES

launcher/ModrinthInstanceExportTask.cpp

@@ -0,0 +1,221 @@
+/*
+ * Copyright 2023 arthomnix
+ *
+ * This source is subject to the Microsoft Public License (MS-PL).
+ * Please see the COPYING.md file for more information.
+ */
+
+#include <QDir>
+#include <QDirIterator>
+#include <QCryptographicHash>
+#include <QMap>
+#include "Json.h"
+#include "ModrinthInstanceExportTask.h"
+#include "net/NetJob.h"
+#include "Application.h"
+#include "ui/dialogs/ModrinthExportDialog.h"
+#include "JlCompress.h"
+#include "FileSystem.h"
+
+ModrinthInstanceExportTask::ModrinthInstanceExportTask(InstancePtr instance, ModrinthExportSettings settings) : m_instance(instance), m_settings(settings) {}
+
+void ModrinthInstanceExportTask::executeTask()
+{
+    QDir modsDir(m_instance->gameRoot() + "/mods");
+    modsDir.setFilter(QDir::Files);
+    modsDir.setNameFilters(QStringList() << "*.jar");
+
+    QDir resourcePacksDir(m_instance->gameRoot() + "/resourcepacks");
+    resourcePacksDir.setFilter(QDir::Files);
+    resourcePacksDir.setNameFilters(QStringList() << "*.zip");
+
+    QDir shaderPacksDir(m_instance->gameRoot() + "/shaderpacks");
+    shaderPacksDir.setFilter(QDir::Files);
+    shaderPacksDir.setNameFilters(QStringList() << "*.zip");
+
+    QStringList filesToResolve;
+
+    if (modsDir.exists()) {
+        QDirIterator modsIterator(modsDir);
+        while (modsIterator.hasNext()) {
+            filesToResolve << modsIterator.next();
+        }
+    }
+
+    if (m_settings.includeResourcePacks && resourcePacksDir.exists()) {
+        QDirIterator resourcePacksIterator(resourcePacksDir);
+        while (resourcePacksIterator.hasNext()) {
+            filesToResolve << resourcePacksIterator.next();
+        }
+    }
+
+    if (m_settings.includeShaderPacks && shaderPacksDir.exists()) {
+        QDirIterator shaderPacksIterator(shaderPacksDir);
+        while (shaderPacksIterator.hasNext()) {
+            filesToResolve << shaderPacksIterator.next();
+        }
+    }
+
+    m_netJob = new NetJob(tr("Modrinth pack export"), APPLICATION->network());
+
+    for (QString filePath: filesToResolve) {
+        QFile file(filePath);
+
+        if (file.open(QFile::ReadOnly)) {
+            QByteArray contents = file.readAll();
+            QCryptographicHash hasher(QCryptographicHash::Sha512);
+            hasher.addData(contents);
+            QString hash = hasher.result().toHex();
+
+            m_responses.append(ModrinthLookupData {
+                QFileInfo(file),
+                QByteArray()
+            });
+
+            m_netJob->addNetAction(Net::Download::makeByteArray(
+                    QString("https://api.modrinth.com/v2/version_file/%1?algorithm=sha512").arg(hash),
+                    &m_responses.last().response
+            ));
+        }
+    }
+
+    connect(m_netJob.get(), &NetJob::succeeded, this, &ModrinthInstanceExportTask::lookupSucceeded);
+    connect(m_netJob.get(), &NetJob::failed, this, &ModrinthInstanceExportTask::lookupFailed);
+    connect(m_netJob.get(), &NetJob::progress, this, &ModrinthInstanceExportTask::lookupProgress);
+
+    m_netJob->start();
+}
+
+void ModrinthInstanceExportTask::lookupSucceeded()
+{
+    QList<ModrinthFile> resolvedFiles;
+    QFileInfoList failedFiles;
+
+    for (const auto &data : m_responses) {
+        try {
+            auto document = Json::requireDocument(data.response);
+            auto object = Json::requireObject(document);
+            auto file = Json::requireIsArrayOf<QJsonObject>(object, "files").first();
+            auto url = Json::requireString(file, "url");
+            auto hashes = Json::requireObject(file, "hashes");
+
+            QString sha512Hash = Json::requireString(hashes, "sha512");
+            QString sha1Hash = Json::requireString(hashes, "sha1");
+
+            ModrinthFile fileData;
+
+            QDir gameDir(m_instance->gameRoot());
+
+            fileData.path = gameDir.relativeFilePath(data.fileInfo.absoluteFilePath());
+            fileData.download = url;
+            fileData.sha512 = sha512Hash;
+            fileData.sha1 = sha1Hash;
+            fileData.fileSize = data.fileInfo.size();
+
+            resolvedFiles << fileData;
+        } catch (const Json::JsonException &e) {
+            qDebug() << "File " << data.fileInfo.path() << " failed to process for reason " << e.cause() << ", adding to overrides";
+            failedFiles << data.fileInfo;
+        }
+    }
+
+    qDebug() << "Failed files: " << failedFiles;
+
+    QJsonObject indexJson;
+    indexJson.insert("formatVersion", QJsonValue(1));
+    indexJson.insert("game", QJsonValue("minecraft"));
+    indexJson.insert("versionId", QJsonValue(m_settings.version));
+    indexJson.insert("name", QJsonValue(m_settings.name));
+
+    if (!m_settings.description.isEmpty()) {
+        indexJson.insert("summary", QJsonValue(m_settings.description));
+    }
+
+    QJsonArray files;
+
+    for (const auto &file : resolvedFiles) {
+        QJsonObject fileObj;
+        fileObj.insert("path", file.path);
+
+        QJsonObject hashes;
+        hashes.insert("sha512", file.sha512);
+        hashes.insert("sha1", file.sha1);
+        fileObj.insert("hashes", hashes);
+
+        QJsonArray downloads;
+        downloads.append(file.download);
+        fileObj.insert("downloads", downloads);
+
+        fileObj.insert("fileSize", QJsonValue(file.fileSize));
+
+        files.append(fileObj);
+    }
+
+    indexJson.insert("files", files);
+
+    QJsonObject dependencies;
+    dependencies.insert("minecraft", m_settings.gameVersion);
+    if (!m_settings.forgeVersion.isEmpty()) {
+        dependencies.insert("forge", m_settings.forgeVersion);
+    }
+    if (!m_settings.fabricVersion.isEmpty()) {
+        dependencies.insert("fabric-loader", m_settings.fabricVersion);
+    }
+    if (!m_settings.quiltVersion.isEmpty()) {
+        dependencies.insert("quilt-loader", m_settings.quiltVersion);
+    }
+
+    indexJson.insert("dependencies", dependencies);
+
+    QTemporaryDir tmp;
+    if (tmp.isValid()) {
+        Json::write(indexJson, tmp.filePath("modrinth.index.json"));
+
+        if (!failedFiles.isEmpty()) {
+            QDir tmpDir(tmp.path());
+            QDir gameDir(m_instance->gameRoot());
+            for (const auto &file : failedFiles) {
+                QString src = file.absoluteFilePath();
+                tmpDir.mkpath("overrides/" + gameDir.relativeFilePath(file.absolutePath()));
+                QString dest = tmpDir.path() + "/overrides/" + gameDir.relativeFilePath(src);
+                qDebug() << dest;
+                if (!QFile::copy(file.absoluteFilePath(), dest)) {
+                    emitFailed(tr("Failed to copy file %1 to overrides").arg(src));
+                    return;
+                }
+            }
+
+            if (m_settings.includeGameConfig) {
+                tmpDir.mkdir("overrides");
+                QFile::copy(gameDir.absoluteFilePath("options.txt"), tmpDir.absoluteFilePath("overrides/options.txt"));
+            }
+
+            if (m_settings.includeModConfigs) {
+                tmpDir.mkdir("overrides");
+                FS::copy copy(m_instance->gameRoot() + "/config", tmpDir.absoluteFilePath("overrides/config"));
+                copy();
+            }
+        }
+
+        if (!JlCompress::compressDir(m_settings.exportPath, tmp.path())) {
+            emitFailed(tr("Failed to create zip file"));
+            return;
+        }
+    } else {
+        emitFailed(tr("Failed to create temporary directory"));
+        return;
+    }
+
+    emitSucceeded();
+}
+
+void ModrinthInstanceExportTask::lookupFailed(const QString &)
+{
+    lookupSucceeded(); // the NetJob will fail if some files were not found on Modrinth, we still want to continue in that case
+    // FIXME: the NetJob will retry each download 3 times if it fails, we should probably stop it from doing that
+}
+
+void ModrinthInstanceExportTask::lookupProgress(qint64 current, qint64 total)
+{
+    setProgress(current, total);
+}

launcher/ModrinthInstanceExportTask.h

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2023 arthomnix
+ *
+ * This source is subject to the Microsoft Public License (MS-PL).
+ * Please see the COPYING.md file for more information.
+ */
+
+#pragma once
+
+#include "tasks/Task.h"
+#include "BaseInstance.h"
+#include "net/NetJob.h"
+#include "ui/dialogs/ModrinthExportDialog.h"
+
+struct ModrinthExportSettings {
+    QString version;
+    QString name;
+    QString description;
+
+    bool includeGameConfig;
+    bool includeModConfigs;
+    bool includeResourcePacks;
+    bool includeShaderPacks;
+
+    QString gameVersion;
+    QString forgeVersion;
+    QString fabricVersion;
+    QString quiltVersion;
+
+    QString exportPath;
+};
+
+struct ModrinthLookupData {
+    QFileInfo fileInfo;
+    QByteArray response;
+};
+
+// Using the existing Modrinth::File struct from the importer doesn't actually make much sense here (doesn't support multiple hashes, hash is a byte array rather than a string, no file size, etc)
+struct ModrinthFile
+{
+    QString path;
+    QString sha512;
+    QString sha1;
+    QString download;
+    qint64 fileSize;
+};
+
+class ModrinthInstanceExportTask : public Task
+{
+Q_OBJECT
+
+public:
+    explicit ModrinthInstanceExportTask(InstancePtr instance, ModrinthExportSettings settings);
+
+protected:
+    //! Entry point for tasks.
+    virtual void executeTask() override;
+
+private slots:
+    void lookupSucceeded();
+    void lookupFailed(const QString &);
+    void lookupProgress(qint64 current, qint64 total);
+
+private:
+    InstancePtr m_instance;
+    ModrinthExportSettings m_settings;
+    QList<ModrinthLookupData> m_responses;
+    NetJob::Ptr m_netJob;
+};

launcher/ui/MainWindow.cpp

@@ -84,7 +84,7 @@
 #include "ui/dialogs/EditAccountDialog.h"
 #include "ui/dialogs/NotificationDialog.h"
 #include "ui/dialogs/CreateShortcutDialog.h"
-#include "ui/dialogs/ExportInstanceDialog.h"
+#include "ui/dialogs/SelectInstanceExportFormatDialog.h"
 
 #include "UpdateController.h"
 #include "KonamiCode.h"
@@ -1756,7 +1756,7 @@ void MainWindow::on_actionExportInstance_triggered()
 {
     if (m_selectedInstance)
     {
-        ExportInstanceDialog dlg(m_selectedInstance, this);
+        SelectInstanceExportFormatDialog dlg(m_selectedInstance, this);
         dlg.exec();
     }
 }

launcher/ui/dialogs/ModrinthExportDialog.cpp

@@ -0,0 +1,114 @@
+/*
+ * Copyright 2023 arthomnix
+ *
+ * This source is subject to the Microsoft Public License (MS-PL).
+ * Please see the COPYING.md file for more information.
+ */
+
+#include <QFileDialog>
+#include <QStandardPaths>
+#include <QProgressDialog>
+#include <QMessageBox>
+#include "ModrinthExportDialog.h"
+#include "ui_ModrinthExportDialog.h"
+#include "BaseInstance.h"
+#include "ModrinthInstanceExportTask.h"
+#include "minecraft/MinecraftInstance.h"
+#include "minecraft/PackProfile.h"
+#include "ProgressDialog.h"
+#include "CustomMessageBox.h"
+
+
+ModrinthExportDialog::ModrinthExportDialog(InstancePtr instance, QWidget *parent) :
+        QDialog(parent), ui(new Ui::ModrinthExportDialog), m_instance(instance)
+{
+    ui->setupUi(this);
+    ui->name->setText(m_instance->name());
+    ui->version->setText("1.0");
+}
+
+void ModrinthExportDialog::updateDialogState()
+{
+    ui->buttonBox->button(QDialogButtonBox::StandardButton::Ok)->setEnabled(
+            !ui->name->text().isEmpty()
+            && !ui->version->text().isEmpty()
+            && !ui->file->text().isEmpty()
+    );
+}
+
+void ModrinthExportDialog::on_fileBrowseButton_clicked()
+{
+    QFileDialog dialog(this, tr("Select modpack file"), QStandardPaths::writableLocation(QStandardPaths::HomeLocation));
+    dialog.setDefaultSuffix("mrpack");
+    dialog.setAcceptMode(QFileDialog::AcceptSave);
+    dialog.setFileMode(QFileDialog::AnyFile);
+    dialog.selectFile(ui->name->text() + ".mrpack");
+
+    if (dialog.exec()) {
+        ui->file->setText(dialog.selectedFiles().at(0));
+    }
+
+    updateDialogState();
+}
+
+void ModrinthExportDialog::accept()
+{
+    ModrinthExportSettings settings;
+
+    settings.name = ui->name->text();
+    settings.version = ui->version->text();
+    settings.description = ui->description->text();
+
+    settings.includeGameConfig = ui->includeGameConfig->isChecked();
+    settings.includeModConfigs = ui->includeModConfigs->isChecked();
+    settings.includeResourcePacks = ui->includeResourcePacks->isChecked();
+    settings.includeShaderPacks = ui->includeShaderPacks->isChecked();
+
+    MinecraftInstancePtr minecraftInstance = std::dynamic_pointer_cast<MinecraftInstance>(m_instance);
+    minecraftInstance->getPackProfile()->reload(Net::Mode::Offline);
+
+    auto minecraftComponent = minecraftInstance->getPackProfile()->getComponent("net.minecraft");
+    auto forgeComponent = minecraftInstance->getPackProfile()->getComponent("net.minecraftforge");
+    auto fabricComponent = minecraftInstance->getPackProfile()->getComponent("net.fabricmc.fabric-loader");
+    auto quiltComponent = minecraftInstance->getPackProfile()->getComponent("org.quiltmc.quilt-loader");
+
+    if (minecraftComponent) {
+        settings.gameVersion = minecraftComponent->getVersion();
+    }
+    if (forgeComponent) {
+        settings.forgeVersion = forgeComponent->getVersion();
+    }
+    if (fabricComponent) {
+        settings.fabricVersion = fabricComponent->getVersion();
+    }
+    if (quiltComponent) {
+        settings.quiltVersion = quiltComponent->getVersion();
+    }
+
+    settings.exportPath = ui->file->text();
+
+    auto *task = new ModrinthInstanceExportTask(m_instance, settings);
+
+    connect(task, &Task::failed, [this](QString reason)
+        {
+            CustomMessageBox::selectable(parentWidget(), tr("Error"), reason, QMessageBox::Critical)->show();
+        });
+    connect(task, &Task::succeeded, [this, task]()
+        {
+            QStringList warnings = task->warnings();
+            if(warnings.count())
+            {
+                CustomMessageBox::selectable(parentWidget(), tr("Warnings"), warnings.join('\n'), QMessageBox::Warning)->show();
+            }
+        });
+    ProgressDialog loadDialog(this);
+    loadDialog.setSkipButton(true, tr("Abort"));
+    loadDialog.execWithTask(task);
+
+    QDialog::accept();
+}
+
+ModrinthExportDialog::~ModrinthExportDialog()
+{
+    delete ui;
+}

launcher/ui/dialogs/ModrinthExportDialog.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2023 arthomnix
+ *
+ * This source is subject to the Microsoft Public License (MS-PL).
+ * Please see the COPYING.md file for more information.
+ */
+
+#pragma once
+
+#include <QDialog>
+#include "ExportInstanceDialog.h"
+
+QT_BEGIN_NAMESPACE
+namespace Ui
+{
+    class ModrinthExportDialog;
+}
+QT_END_NAMESPACE
+
+class ModrinthExportDialog : public QDialog
+{
+Q_OBJECT
+
+public:
+    explicit ModrinthExportDialog(InstancePtr instance, QWidget *parent = nullptr);
+
+    ~ModrinthExportDialog() override;
+
+private slots:
+    void on_fileBrowseButton_clicked();
+    void accept() override;
+    void updateDialogState();
+
+private:
+    Ui::ModrinthExportDialog *ui;
+    InstancePtr m_instance;
+};

launcher/ui/dialogs/ModrinthExportDialog.ui

@@ -0,0 +1,277 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ModrinthExportDialog</class>
+ <widget class="QDialog" name="ModrinthExportDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>679</width>
+    <height>559</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="windowTitle">
+   <string>ModrinthExportDialog</string>
+  </property>
+  <widget class="QWidget" name="verticalLayoutWidget">
+   <property name="geometry">
+    <rect>
+     <x>10</x>
+     <y>10</y>
+     <width>661</width>
+     <height>541</height>
+    </rect>
+   </property>
+   <layout class="QVBoxLayout" name="mainLayout">
+    <item>
+     <widget class="QLabel" name="label">
+      <property name="maximumSize">
+       <size>
+        <width>16777215</width>
+        <height>25</height>
+       </size>
+      </property>
+      <property name="text">
+       <string>Export Modrinth modpack</string>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QGroupBox" name="metadataGroupBox">
+      <property name="maximumSize">
+       <size>
+        <width>16777215</width>
+        <height>200</height>
+       </size>
+      </property>
+      <property name="title">
+       <string>Metadata</string>
+      </property>
+      <widget class="QWidget" name="verticalLayoutWidget_2">
+       <property name="geometry">
+        <rect>
+         <x>10</x>
+         <y>30</y>
+         <width>641</width>
+         <height>151</height>
+        </rect>
+       </property>
+       <layout class="QVBoxLayout" name="metadataVLayout">
+        <item>
+         <layout class="QFormLayout" name="metadataFormLayout">
+          <item row="0" column="0">
+           <widget class="QLabel" name="nameLabel">
+            <property name="text">
+             <string>Name</string>
+            </property>
+           </widget>
+          </item>
+          <item row="0" column="1">
+           <widget class="QLineEdit" name="name"/>
+          </item>
+          <item row="1" column="0">
+           <widget class="QLabel" name="versionLabel">
+            <property name="text">
+             <string>Version</string>
+            </property>
+           </widget>
+          </item>
+          <item row="2" column="0">
+           <widget class="QLabel" name="descriptionLabel">
+            <property name="text">
+             <string>Description</string>
+            </property>
+           </widget>
+          </item>
+          <item row="1" column="1">
+           <widget class="QLineEdit" name="version"/>
+          </item>
+          <item row="2" column="1">
+           <widget class="QLineEdit" name="description"/>
+          </item>
+         </layout>
+        </item>
+       </layout>
+      </widget>
+     </widget>
+    </item>
+    <item>
+     <widget class="QGroupBox" name="optionsGroupBox">
+      <property name="title">
+       <string>Export Options</string>
+      </property>
+      <widget class="QWidget" name="verticalLayoutWidget_3">
+       <property name="geometry">
+        <rect>
+         <x>9</x>
+         <y>29</y>
+         <width>641</width>
+         <height>221</height>
+        </rect>
+       </property>
+       <layout class="QVBoxLayout" name="optionsLayout">
+        <item>
+         <layout class="QHBoxLayout" name="horizontalLayout_2">
+          <property name="sizeConstraint">
+           <enum>QLayout::SetFixedSize</enum>
+          </property>
+          <item>
+           <widget class="QLabel" name="fileLabel">
+            <property name="text">
+             <string>File</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QLineEdit" name="file"/>
+          </item>
+          <item>
+           <widget class="QPushButton" name="fileBrowseButton">
+            <property name="text">
+             <string>Browse...</string>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
+        <item>
+         <widget class="QCheckBox" name="includeGameConfig">
+          <property name="text">
+           <string>Include Minecraft config</string>
+          </property>
+          <property name="checked">
+           <bool>true</bool>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QCheckBox" name="includeModConfigs">
+          <property name="text">
+           <string>Include mod configs</string>
+          </property>
+          <property name="checked">
+           <bool>true</bool>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QCheckBox" name="includeResourcePacks">
+          <property name="text">
+           <string>Include resource packs</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QCheckBox" name="includeShaderPacks">
+          <property name="text">
+           <string>Include shader packs</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </widget>
+     </widget>
+    </item>
+    <item>
+     <widget class="QDialogButtonBox" name="buttonBox">
+      <property name="standardButtons">
+       <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+      </property>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>ModrinthExportDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>340</x>
+     <y>532</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>338</x>
+     <y>279</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>ModrinthExportDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>340</x>
+     <y>532</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>338</x>
+     <y>279</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>name</sender>
+   <signal>textChanged(QString)</signal>
+   <receiver>ModrinthExportDialog</receiver>
+   <slot>updateDialogState()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>395</x>
+     <y>90</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>339</x>
+     <y>279</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>version</sender>
+   <signal>textChanged(QString)</signal>
+   <receiver>ModrinthExportDialog</receiver>
+   <slot>updateDialogState()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>395</x>
+     <y>129</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>339</x>
+     <y>279</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>file</sender>
+   <signal>textChanged(QString)</signal>
+   <receiver>ModrinthExportDialog</receiver>
+   <slot>updateDialogState()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>309</x>
+     <y>329</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>339</x>
+     <y>279</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+ <slots>
+  <slot>updateDialogState()</slot>
+ </slots>
+</ui>

launcher/ui/dialogs/SelectInstanceExportFormatDialog.cpp

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2023 arthomnix
+ *
+ * This source is subject to the Microsoft Public License (MS-PL).
+ * Please see the COPYING.md file for more information.
+ */
+
+#include "SelectInstanceExportFormatDialog.h"
+#include "ui_SelectInstanceExportFormatDialog.h"
+#include "BuildConfig.h"
+#include "ModrinthExportDialog.h"
+
+
+SelectInstanceExportFormatDialog::SelectInstanceExportFormatDialog(InstancePtr instance, QWidget *parent) :
+        QDialog(parent), ui(new Ui::SelectInstanceExportFormatDialog), m_instance(instance)
+{
+    ui->setupUi(this);
+    ui->mmcFormat->setText(BuildConfig.LAUNCHER_NAME);
+}
+
+void SelectInstanceExportFormatDialog::accept()
+{
+    if (ui->mmcFormat->isChecked()) {
+        ExportInstanceDialog dlg(m_instance, parentWidget());
+        QDialog::accept();
+        dlg.exec();
+    } else if (ui->modrinthFormat->isChecked()) {
+        ModrinthExportDialog dlg(m_instance, parentWidget());
+        QDialog::accept();
+        dlg.exec();
+    }
+}
+
+SelectInstanceExportFormatDialog::~SelectInstanceExportFormatDialog()
+{
+    delete ui;
+}

launcher/ui/dialogs/SelectInstanceExportFormatDialog.h

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2023 arthomnix
+ *
+ * This source is subject to the Microsoft Public License (MS-PL).
+ * Please see the COPYING.md file for more information.
+ */
+
+#pragma once
+
+#include <QDialog>
+#include "ExportInstanceDialog.h"
+
+
+QT_BEGIN_NAMESPACE
+namespace Ui
+{
+    class SelectInstanceExportFormatDialog;
+}
+QT_END_NAMESPACE
+
+class SelectInstanceExportFormatDialog : public QDialog
+{
+Q_OBJECT
+
+public:
+    explicit SelectInstanceExportFormatDialog(InstancePtr instance, QWidget *parent = nullptr);
+
+    ~SelectInstanceExportFormatDialog() override;
+
+private slots:
+    void accept() override;
+
+private:
+    Ui::SelectInstanceExportFormatDialog *ui;
+    InstancePtr m_instance;
+};

launcher/ui/dialogs/SelectInstanceExportFormatDialog.ui

@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>SelectInstanceExportFormatDialog</class>
+ <widget class="QDialog" name="SelectInstanceExportFormatDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>446</width>
+    <height>181</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Select Instance Export Format</string>
+  </property>
+  <widget class="QWidget" name="verticalLayoutWidget">
+   <property name="geometry">
+    <rect>
+     <x>10</x>
+     <y>10</y>
+     <width>421</width>
+     <height>161</height>
+    </rect>
+   </property>
+   <layout class="QVBoxLayout" name="verticalLayout">
+    <item>
+     <widget class="QLabel" name="label">
+      <property name="text">
+       <string>Select export format</string>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QRadioButton" name="mmcFormat">
+      <property name="text">
+       <string>Launcher</string>
+      </property>
+      <property name="checked">
+       <bool>true</bool>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QRadioButton" name="modrinthFormat">
+      <property name="text">
+       <string>Modrinth (WIP)</string>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QDialogButtonBox" name="buttonBox">
+      <property name="standardButtons">
+       <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+      </property>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>SelectInstanceExportFormatDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>220</x>
+     <y>152</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>222</x>
+     <y>90</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>SelectInstanceExportFormatDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>220</x>
+     <y>152</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>222</x>
+     <y>90</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>