Merge pull request #1105 from flowln/better_resource_packs

Add basic resource pack parsing and fix issues

27 files changed, 884 insertions, 128 deletions

diff --git a/launcher/CMakeLists.txt b/launcher/CMakeLists.txt
index dfd56d26..a5303e94 100644
--- a/launcher/CMakeLists.txt
+++ b/launcher/CMakeLists.txt
@@ -322,6 +322,8 @@ set(MINECRAFT_SOURCES
     minecraft/mod/Resource.cpp
     minecraft/mod/ResourceFolderModel.h
     minecraft/mod/ResourceFolderModel.cpp
+    minecraft/mod/ResourcePack.h
+    minecraft/mod/ResourcePack.cpp
     minecraft/mod/ResourcePackFolderModel.h
     minecraft/mod/ResourcePackFolderModel.cpp
     minecraft/mod/TexturePackFolderModel.h
@@ -334,6 +336,8 @@ set(MINECRAFT_SOURCES
     minecraft/mod/tasks/LocalModParseTask.cpp
     minecraft/mod/tasks/LocalModUpdateTask.h
     minecraft/mod/tasks/LocalModUpdateTask.cpp
+    minecraft/mod/tasks/LocalResourcePackParseTask.h
+    minecraft/mod/tasks/LocalResourcePackParseTask.cpp
 
     # Assets
     minecraft/AssetsUtils.h
@@ -384,6 +388,10 @@ ecm_add_test(minecraft/Library_test.cpp LINK_LIBRARIES Launcher_logic Qt${QT_VER
 ecm_add_test(minecraft/mod/ResourceFolderModel_test.cpp LINK_LIBRARIES Launcher_logic Qt${QT_VERSION_MAJOR}::Test
     TEST_NAME ResourceFolderModel)
 
+ecm_add_test(minecraft/mod/ResourcePackParse_test.cpp
+    LINK_LIBRARIES Launcher_logic Qt${QT_VERSION_MAJOR}::Test
+    TEST_NAME ResourcePackParse)
+
 ecm_add_test(minecraft/ParseUtils_test.cpp LINK_LIBRARIES Launcher_logic Qt${QT_VERSION_MAJOR}::Test
     TEST_NAME ParseUtils)
 
diff --git a/launcher/minecraft/mod/ModFolderModel.cpp b/launcher/minecraft/mod/ModFolderModel.cpp
index 4e264a74..13fed1c9 100644
--- a/launcher/minecraft/mod/ModFolderModel.cpp
+++ b/launcher/minecraft/mod/ModFolderModel.cpp
@@ -151,12 +151,12 @@ int ModFolderModel::columnCount(const QModelIndex &parent) const
 Task* ModFolderModel::createUpdateTask()
 {
     auto index_dir = indexDir();
-    auto task = new ModFolderLoadTask(dir(), index_dir, m_is_indexed, m_first_folder_load, this);
+    auto task = new ModFolderLoadTask(dir(), index_dir, m_is_indexed, m_first_folder_load);
     m_first_folder_load = false;
     return task;
 }
 
-Task* ModFolderModel::createParseTask(Resource const& resource)
+Task* ModFolderModel::createParseTask(Resource& resource)
 {
     return new LocalModParseTask(m_next_resolution_ticket, resource.type(), resource.fileinfo());
 }
@@ -259,15 +259,6 @@ void ModFolderModel::onUpdateSucceeded()
 #endif
 
     applyUpdates(current_set, new_set, new_mods);
-    
-    m_current_update_task.reset();
-
-    if (m_scheduled_update) {
-        m_scheduled_update = false;
-        update();
-    } else {
-        emit updateFinished();
-    }
 }
 
 void ModFolderModel::onParseSucceeded(int ticket, QString mod_id)
diff --git a/launcher/minecraft/mod/ModFolderModel.h b/launcher/minecraft/mod/ModFolderModel.h
index c33195ed..93980319 100644
--- a/launcher/minecraft/mod/ModFolderModel.h
+++ b/launcher/minecraft/mod/ModFolderModel.h
@@ -82,7 +82,7 @@ public:
     int columnCount(const QModelIndex &parent) const override;
 
     [[nodiscard]] Task* createUpdateTask() override;
-    [[nodiscard]] Task* createParseTask(Resource const&) override;
+    [[nodiscard]] Task* createParseTask(Resource&) override;
 
     bool installMod(QString file_path) { return ResourceFolderModel::installResource(file_path); }
     bool uninstallMod(const QString& filename, bool preserve_metadata = false);
diff --git a/launcher/minecraft/mod/Resource.h b/launcher/minecraft/mod/Resource.h
index cee1f172..f9bd811e 100644
--- a/launcher/minecraft/mod/Resource.h
+++ b/launcher/minecraft/mod/Resource.h
@@ -20,6 +20,7 @@ enum class SortType {
     DATE,
     VERSION,
     ENABLED,
+    PACK_FORMAT
 };
 
 enum class EnableAction {
@@ -80,6 +81,7 @@ class Resource : public QObject {
 
     [[nodiscard]] auto shouldResolve() const -> bool { return !m_is_resolving && !m_is_resolved; }
     [[nodiscard]] auto isResolving() const -> bool { return m_is_resolving; }
+    [[nodiscard]] auto isResolved() const -> bool { return m_is_resolved; }
     [[nodiscard]] auto resolutionTicket() const -> int { return m_resolution_ticket; }
 
     void setResolving(bool resolving, int resolutionTicket)
diff --git a/launcher/minecraft/mod/ResourceFolderModel.cpp b/launcher/minecraft/mod/ResourceFolderModel.cpp
index bc18ddc2..45d1db59 100644
--- a/launcher/minecraft/mod/ResourceFolderModel.cpp
+++ b/launcher/minecraft/mod/ResourceFolderModel.cpp
@@ -1,5 +1,6 @@
 #include "ResourceFolderModel.h"
 
+#include <QCoreApplication>
 #include <QDebug>
 #include <QMimeData>
 #include <QThreadPool>
@@ -19,6 +20,12 @@ ResourceFolderModel::ResourceFolderModel(QDir dir, QObject* parent) : QAbstractL
     connect(&m_watcher, &QFileSystemWatcher::directoryChanged, this, &ResourceFolderModel::directoryChanged);
 }
 
+ResourceFolderModel::~ResourceFolderModel()
+{
+    while (!QThreadPool::globalInstance()->waitForDone(100))
+        QCoreApplication::processEvents();
+}
+
 bool ResourceFolderModel::startWatching(const QStringList paths)
 {
     if (m_is_watching)
@@ -229,9 +236,17 @@ bool ResourceFolderModel::update()
     connect(m_current_update_task.get(), &Task::succeeded, this, &ResourceFolderModel::onUpdateSucceeded,
             Qt::ConnectionType::QueuedConnection);
     connect(m_current_update_task.get(), &Task::failed, this, &ResourceFolderModel::onUpdateFailed, Qt::ConnectionType::QueuedConnection);
+    connect(m_current_update_task.get(), &Task::finished, this, [=] {
+        m_current_update_task.reset();
+        if (m_scheduled_update) {
+            m_scheduled_update = false;
+            update();
+        } else {
+            emit updateFinished();
+        }
+    }, Qt::ConnectionType::QueuedConnection);
 
-    auto* thread_pool = QThreadPool::globalInstance();
-    thread_pool->start(m_current_update_task.get());
+    QThreadPool::globalInstance()->start(m_current_update_task.get());
 
     return true;
 }
@@ -246,10 +261,7 @@ void ResourceFolderModel::resolveResource(Resource::Ptr res)
     if (!task)
         return;
 
-    m_ticket_mutex.lock();
-    int ticket = m_next_resolution_ticket;
-    m_next_resolution_ticket += 1;
-    m_ticket_mutex.unlock();
+    int ticket = m_next_resolution_ticket.fetch_add(1);
 
     res->setResolving(true, ticket);
     m_active_parse_tasks.insert(ticket, task);
@@ -261,8 +273,7 @@ void ResourceFolderModel::resolveResource(Resource::Ptr res)
     connect(
         task, &Task::finished, this, [=] { m_active_parse_tasks.remove(ticket); }, Qt::ConnectionType::QueuedConnection);
 
-    auto* thread_pool = QThreadPool::globalInstance();
-    thread_pool->start(task);
+    QThreadPool::globalInstance()->start(task);
 }
 
 void ResourceFolderModel::onUpdateSucceeded()
@@ -283,15 +294,6 @@ void ResourceFolderModel::onUpdateSucceeded()
 #endif
 
     applyUpdates(current_set, new_set, new_resources);
-
-    m_current_update_task.reset();
-
-    if (m_scheduled_update) {
-        m_scheduled_update = false;
-        update();
-    } else {
-        emit updateFinished();
-    }
 }
 
 void ResourceFolderModel::onParseSucceeded(int ticket, QString resource_id)
diff --git a/launcher/minecraft/mod/ResourceFolderModel.h b/launcher/minecraft/mod/ResourceFolderModel.h
index e27b5db6..5652c156 100644
--- a/launcher/minecraft/mod/ResourceFolderModel.h
+++ b/launcher/minecraft/mod/ResourceFolderModel.h
@@ -24,6 +24,7 @@ class ResourceFolderModel : public QAbstractListModel {
     Q_OBJECT
    public:
     ResourceFolderModel(QDir, QObject* parent = nullptr);
+    ~ResourceFolderModel() override;
 
     /** Starts watching the paths for changes.
      *
@@ -145,7 +146,7 @@ class ResourceFolderModel : public QAbstractListModel {
      *  This task should load and parse all heavy info needed by a resource, such as parsing a manifest. It gets executed
      *  in the background, so it slowly updates the UI as tasks get done.
      */
-    [[nodiscard]] virtual Task* createParseTask(Resource const&) { return nullptr; };
+    [[nodiscard]] virtual Task* createParseTask(Resource&) { return nullptr; };
 
     /** Standard implementation of the model update logic.
      *
@@ -197,8 +198,7 @@ class ResourceFolderModel : public QAbstractListModel {
     QMap<QString, int> m_resources_index;
 
     QMap<int, Task::Ptr> m_active_parse_tasks;
-    int m_next_resolution_ticket = 0;
-    QMutex m_ticket_mutex;
+    std::atomic<int> m_next_resolution_ticket = 0;
 };
 
 /* A macro to define useful functions to handle Resource* -> T* more easily on derived classes */
@@ -257,8 +257,11 @@ void ResourceFolderModel::applyUpdates(QSet<QString>& current_set, QSet<QString>
             // If the resource is resolving, but something about it changed, we don't want to
             // continue the resolving.
             if (current_resource->isResolving()) {
-                auto task = (*m_active_parse_tasks.find(current_resource->resolutionTicket())).get();
-                task->abort();
+                auto ticket = current_resource->resolutionTicket();
+                if (m_active_parse_tasks.contains(ticket)) {
+                    auto task = (*m_active_parse_tasks.find(ticket)).get();
+                    task->abort();
+                }
             }
 
             m_resources[row].reset(new_resource);
@@ -285,8 +288,11 @@ void ResourceFolderModel::applyUpdates(QSet<QString>& current_set, QSet<QString>
             Q_ASSERT(removed_set.contains(removed_it->get()->internal_id()));
 
             if ((*removed_it)->isResolving()) {
-                auto task = (*m_active_parse_tasks.find((*removed_it)->resolutionTicket())).get();
-                task->abort();
+                auto ticket = (*removed_it)->resolutionTicket();
+                if (m_active_parse_tasks.contains(ticket)) {
+                    auto task = (*m_active_parse_tasks.find(ticket)).get();
+                    task->abort();
+                }
             }
 
             beginRemoveRows(QModelIndex(), removed_index, removed_index);
diff --git a/launcher/minecraft/mod/ResourceFolderModel_test.cpp b/launcher/minecraft/mod/ResourceFolderModel_test.cpp
index fe98552e..aa78e502 100644
--- a/launcher/minecraft/mod/ResourceFolderModel_test.cpp
+++ b/launcher/minecraft/mod/ResourceFolderModel_test.cpp
@@ -58,7 +58,7 @@
     QVERIFY2(expire_timer.isActive(), "Timer has expired. The update never finished."); \
     expire_timer.stop();                                                                \
                                                                                         \
-    disconnect(&model, nullptr, nullptr, nullptr);
+    disconnect(&model, nullptr, &loop, nullptr);
 
 class ResourceFolderModelTest : public QObject
 {
@@ -146,14 +146,10 @@ slots:
         for (auto mod : model.allMods())
             qDebug() << mod->name();
 
-        QCOMPARE(model.size(), 2);
+        // FIXME: It considers every file in the directory as a mod, but we should probably filter that out somehow.
+        QCOMPARE(model.size(), 4);
 
         model.stopWatching();
-
-        while (model.hasPendingParseTasks()) {
-            QTest::qSleep(20);
-            QCoreApplication::processEvents();
-        }
     }
 
     void test_removeResource()
@@ -206,11 +202,6 @@ slots:
         qDebug() << "Removed second mod.";
 
         model.stopWatching();
-
-        while (model.hasPendingParseTasks()) {
-            QTest::qSleep(20);
-            QCoreApplication::processEvents();
-        }
     }
 
     void test_enable_disable()
@@ -262,11 +253,6 @@ slots:
         QVERIFY(!res_2.enable(initial_enabled_res_2 ? EnableAction::ENABLE : EnableAction::DISABLE));
         QVERIFY(res_2.enabled() == initial_enabled_res_2);
         QVERIFY(res_2.internal_id() == id_2);
-
-        while (model.hasPendingParseTasks()) {
-            QTest::qSleep(20);
-            QCoreApplication::processEvents();
-        }
     }
 };
 
diff --git a/launcher/minecraft/mod/ResourcePack.cpp b/launcher/minecraft/mod/ResourcePack.cpp
new file mode 100644
index 00000000..3fc10a2f
--- /dev/null
+++ b/launcher/minecraft/mod/ResourcePack.cpp
@@ -0,0 +1,116 @@
+#include "ResourcePack.h"
+
+#include <QDebug>
+#include <QMap>
+#include <QRegularExpression>
+
+#include "Version.h"
+
+#include "minecraft/mod/tasks/LocalResourcePackParseTask.h"
+
+// Values taken from:
+// https://minecraft.fandom.com/wiki/Tutorials/Creating_a_resource_pack#Formatting_pack.mcmeta
+static const QMap<int, std::pair<Version, Version>> s_pack_format_versions = {
+    { 1, { Version("1.6.1"), Version("1.8.9") } }, { 2, { Version("1.9"), Version("1.10.2") } },
+    { 3, { Version("1.11"), Version("1.12.2") } }, { 4, { Version("1.13"), Version("1.14.4") } },
+    { 5, { Version("1.15"), Version("1.16.1") } }, { 6, { Version("1.16.2"), Version("1.16.5") } },
+    { 7, { Version("1.17"), Version("1.17.1") } }, { 8, { Version("1.18"), Version("1.18.2") } },
+    { 9, { Version("1.19"), Version("1.19.2") } },
+};
+
+void ResourcePack::setPackFormat(int new_format_id)
+{
+    QMutexLocker locker(&m_data_lock);
+
+    if (!s_pack_format_versions.contains(new_format_id)) {
+        qWarning() << "Pack format '%1' is not a recognized resource pack id!";
+    }
+
+    m_pack_format = new_format_id;
+}
+
+void ResourcePack::setDescription(QString new_description)
+{
+    QMutexLocker locker(&m_data_lock);
+
+    m_description = new_description;
+}
+
+void ResourcePack::setImage(QImage new_image)
+{
+    QMutexLocker locker(&m_data_lock);
+
+    Q_ASSERT(!new_image.isNull());
+
+    if (m_pack_image_cache_key.key.isValid())
+        QPixmapCache::remove(m_pack_image_cache_key.key);
+
+    m_pack_image_cache_key.key = QPixmapCache::insert(QPixmap::fromImage(new_image));
+    m_pack_image_cache_key.was_ever_used = true;
+}
+
+QPixmap ResourcePack::image(QSize size)
+{
+    QPixmap cached_image;
+    if (QPixmapCache::find(m_pack_image_cache_key.key, &cached_image)) {
+        if (size.isNull())
+            return cached_image;
+        return cached_image.scaled(size);
+    }
+
+    // No valid image we can get
+    if (!m_pack_image_cache_key.was_ever_used)
+        return {};
+
+    // Imaged got evicted from the cache. Re-process it and retry.
+    ResourcePackUtils::process(*this);
+    return image(size);
+}
+
+std::pair<Version, Version> ResourcePack::compatibleVersions() const
+{
+    if (!s_pack_format_versions.contains(m_pack_format)) {
+        return { {}, {} };
+    }
+
+    return s_pack_format_versions.constFind(m_pack_format).value();
+}
+
+std::pair<int, bool> ResourcePack::compare(const Resource& other, SortType type) const
+{
+    auto const& cast_other = static_cast<ResourcePack const&>(other);
+
+    switch (type) {
+        default: {
+            auto res = Resource::compare(other, type);
+            if (res.first != 0)
+                return res;
+        }
+        case SortType::PACK_FORMAT: {
+            auto this_ver = packFormat();
+            auto other_ver = cast_other.packFormat();
+
+            if (this_ver > other_ver)
+                return { 1, type == SortType::PACK_FORMAT };
+            if (this_ver < other_ver)
+                return { -1, type == SortType::PACK_FORMAT };
+        }
+    }
+    return { 0, false };
+}
+
+bool ResourcePack::applyFilter(QRegularExpression filter) const
+{
+    if (filter.match(description()).hasMatch())
+        return true;
+
+    if (filter.match(QString::number(packFormat())).hasMatch())
+        return true;
+
+    if (filter.match(compatibleVersions().first.toString()).hasMatch())
+        return true;
+    if (filter.match(compatibleVersions().second.toString()).hasMatch())
+        return true;
+
+    return Resource::applyFilter(filter);
+}
diff --git a/launcher/minecraft/mod/ResourcePack.h b/launcher/minecraft/mod/ResourcePack.h
index c2cc8690..03121908 100644
--- a/launcher/minecraft/mod/ResourcePack.h
+++ b/launcher/minecraft/mod/ResourcePack.h
@@ -2,12 +2,68 @@
 
 #include "Resource.h"
 
+#include <QImage>
+#include <QMutex>
+#include <QPixmap>
+#include <QPixmapCache>
+
+class Version;
+
+/* TODO:
+ *
+ * Store localized descriptions
+ * */
+
 class ResourcePack : public Resource {
     Q_OBJECT
-    public:
+   public:
     using Ptr = shared_qobject_ptr<Resource>;
 
     ResourcePack(QObject* parent = nullptr) : Resource(parent) {}
     ResourcePack(QFileInfo file_info) : Resource(file_info) {}
 
+    /** Gets the numerical ID of the pack format. */
+    [[nodiscard]] int packFormat() const { return m_pack_format; }
+    /** Gets, respectively, the lower and upper versions supported by the set pack format. */
+    [[nodiscard]] std::pair<Version, Version> compatibleVersions() const;
+
+    /** Gets the description of the resource pack. */
+    [[nodiscard]] QString description() const { return m_description; }
+
+    /** Gets the image of the resource pack, converted to a QPixmap for drawing, and scaled to size. */
+    [[nodiscard]] QPixmap image(QSize size);
+
+    /** Thread-safe. */
+    void setPackFormat(int new_format_id);
+
+    /** Thread-safe. */
+    void setDescription(QString new_description);
+
+    /** Thread-safe. */
+    void setImage(QImage new_image);
+
+    [[nodiscard]] auto compare(Resource const& other, SortType type) const -> std::pair<int, bool> override;
+    [[nodiscard]] bool applyFilter(QRegularExpression filter) const override;
+
+   protected:
+    mutable QMutex m_data_lock;
+
+    /* The 'version' of a resource pack, as defined in the pack.mcmeta file.
+     * See https://minecraft.fandom.com/wiki/Tutorials/Creating_a_resource_pack#Formatting_pack.mcmeta
+     */
+    int m_pack_format = 0;
+
+    /** The resource pack's description, as defined in the pack.mcmeta file.
+     */
+    QString m_description;
+
+    /** The resource pack's image file cache key, for access in the QPixmapCache global instance.
+     *
+     *  The 'was_ever_used' state simply identifies whether the key was never inserted on the cache (true),
+     *  so as to tell whether a cache entry is inexistent or if it was just evicted from the cache.
+     */
+    struct {
+        QPixmapCache::Key key;
+        bool was_ever_used = false;
+    } m_pack_image_cache_key;
 };
diff --git a/launcher/minecraft/mod/ResourcePackFolderModel.cpp b/launcher/minecraft/mod/ResourcePackFolderModel.cpp
index e92be894..f8a6c1cf 100644
--- a/launcher/minecraft/mod/ResourcePackFolderModel.cpp
+++ b/launcher/minecraft/mod/ResourcePackFolderModel.cpp
@@ -1,38 +1,151 @@
 // SPDX-License-Identifier: GPL-3.0-only
 /*
-*  PolyMC - Minecraft Launcher
-*  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
-*
-*  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/>.
-*
-* This file incorporates work covered by the following copyright and
-* permission notice:
-*
-*      Copyright 2013-2021 MultiMC Contributors
-*
-*      Licensed under the Apache License, Version 2.0 (the "License");
-*      you may not use this file except in compliance with the License.
-*      You may obtain a copy of the License at
-*
-*          http://www.apache.org/licenses/LICENSE-2.0
-*
-*      Unless required by applicable law or agreed to in writing, software
-*      distributed under the License is distributed on an "AS IS" BASIS,
-*      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-*      See the License for the specific language governing permissions and
-*      limitations under the License.
-*/
+ *  PolyMC - Minecraft Launcher
+ *  Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
+ *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *
+ *  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/>.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ *      Copyright 2013-2021 MultiMC Contributors
+ *
+ *      Licensed under the Apache License, Version 2.0 (the "License");
+ *      you may not use this file except in compliance with the License.
+ *      You may obtain a copy of the License at
+ *
+ *          http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *      Unless required by applicable law or agreed to in writing, software
+ *      distributed under the License is distributed on an "AS IS" BASIS,
+ *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *      See the License for the specific language governing permissions and
+ *      limitations under the License.
+ */
 
 #include "ResourcePackFolderModel.h"
 
-ResourcePackFolderModel::ResourcePackFolderModel(const QString &dir) : ResourceFolderModel(QDir(dir)) {}
+#include "Version.h"
+
+#include "minecraft/mod/tasks/BasicFolderLoadTask.h"
+#include "minecraft/mod/tasks/LocalResourcePackParseTask.h"
+
+ResourcePackFolderModel::ResourcePackFolderModel(const QString& dir) : ResourceFolderModel(QDir(dir))
+{
+    m_column_sort_keys = { SortType::ENABLED, SortType::NAME, SortType::PACK_FORMAT, SortType::DATE };
+}
+
+QVariant ResourcePackFolderModel::data(const QModelIndex& index, int role) const
+{
+    if (!validateIndex(index))
+        return {};
+
+    int row = index.row();
+    int column = index.column();
+
+    switch (role) {
+        case Qt::DisplayRole:
+            switch (column) {
+                case NameColumn:
+                    return m_resources[row]->name();
+                case PackFormatColumn: {
+                    auto resource = at(row);
+                    auto pack_format = resource->packFormat();
+                    if (pack_format == 0)
+                        return tr("Unrecognized");
+
+                    auto version_bounds = resource->compatibleVersions();
+                    if (version_bounds.first.toString().isEmpty())
+                        return QString::number(pack_format);
+
+                    return QString("%1 (%2 - %3)")
+                        .arg(QString::number(pack_format), version_bounds.first.toString(), version_bounds.second.toString());
+                }
+                case DateColumn:
+                    return m_resources[row]->dateTimeChanged();
+
+                default:
+                    return {};
+            }
+
+        case Qt::ToolTipRole: {
+            if (column == PackFormatColumn) {
+                //: The string being explained by this is in the format: ID (Lower version - Upper version)
+                return tr("The resource pack format ID, as well as the Minecraft versions it was designed for.");
+            }
+            return m_resources[row]->internal_id();
+        }
+        case Qt::CheckStateRole:
+            switch (column) {
+                case ActiveColumn:
+                    return at(row)->enabled() ? Qt::Checked : Qt::Unchecked;
+                default:
+                    return {};
+            }
+        default:
+            return {};
+    }
+}
+
+QVariant ResourcePackFolderModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    switch (role) {
+        case Qt::DisplayRole:
+            switch (section) {
+                case ActiveColumn:
+                    return QString();
+                case NameColumn:
+                    return tr("Name");
+                case PackFormatColumn:
+                    return tr("Pack Format");
+                case DateColumn:
+                    return tr("Last changed");
+                default:
+                    return {};
+            }
+
+        case Qt::ToolTipRole:
+            switch (section) {
+                case ActiveColumn:
+                    return tr("Is the resource pack enabled? (Only valid for ZIPs)");
+                case NameColumn:
+                    return tr("The name of the resource pack.");
+                case PackFormatColumn:
+                    //: The string being explained by this is in the format: ID (Lower version - Upper version)
+                    return tr("The resource pack format ID, as well as the Minecraft versions it was designed for.");
+                case DateColumn:
+                    return tr("The date and time this resource pack was last changed (or added).");
+                default:
+                    return {};
+            }
+        default:
+            return {};
+    }
+    return {};
+}
+
+int ResourcePackFolderModel::columnCount(const QModelIndex& parent) const
+{
+    return NUM_COLUMNS;
+}
+
+Task* ResourcePackFolderModel::createUpdateTask()
+{
+    return new BasicFolderLoadTask(m_dir, [](QFileInfo const& entry) { return new ResourcePack(entry); });
+}
+
+Task* ResourcePackFolderModel::createParseTask(Resource& resource)
+{
+    return new LocalResourcePackParseTask(m_next_resolution_ticket, static_cast<ResourcePack&>(resource));
+}
diff --git a/launcher/minecraft/mod/ResourcePackFolderModel.h b/launcher/minecraft/mod/ResourcePackFolderModel.h
index 1fe82867..cb620ce2 100644
--- a/launcher/minecraft/mod/ResourcePackFolderModel.h
+++ b/launcher/minecraft/mod/ResourcePackFolderModel.h
@@ -8,7 +8,24 @@ class ResourcePackFolderModel : public ResourceFolderModel
 {
     Q_OBJECT
 public:
+    enum Columns
+    {
+        ActiveColumn = 0,
+        NameColumn,
+        PackFormatColumn,
+        DateColumn,
+        NUM_COLUMNS
+    };
+
     explicit ResourcePackFolderModel(const QString &dir);
 
+    [[nodiscard]] QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+
+    [[nodiscard]] QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
+    [[nodiscard]] int columnCount(const QModelIndex &parent) const override;
+
+    [[nodiscard]] Task* createUpdateTask() override;
+    [[nodiscard]] Task* createParseTask(Resource&) override;
+
     RESOURCE_HELPERS(ResourcePack)
 };
diff --git a/launcher/minecraft/mod/ResourcePackParse_test.cpp b/launcher/minecraft/mod/ResourcePackParse_test.cpp
new file mode 100644
index 00000000..a49582d6
--- /dev/null
+++ b/launcher/minecraft/mod/ResourcePackParse_test.cpp
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  PolyMC - Minecraft Launcher
+ *  Copyright (c) 2022 flowln <flowlnlnln@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
+ *  MERCH