Merge branch 'develop' of https://github.com/PrismLauncher/PrismLauncher into skin_selector

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

.github/workflows/build.yml

@@ -164,7 +164,7 @@ jobs:
 
       - name: Retrieve ccache cache (Windows MinGW-w64)
         if: runner.os == 'Windows' && matrix.msystem != '' && inputs.build_type == 'Debug'
-        uses: actions/cache@v3.3.1
+        uses: actions/cache@v3.3.2
         with:
           path: '${{ github.workspace }}\.ccache'
           key: ${{ matrix.os }}-mingw-w64-ccache-${{ github.run_id }}

flake.lock

@@ -89,13 +89,28 @@
         "type": "github"
       }
     },
+    "nix-filter": {
+      "locked": {
+        "lastModified": 1694857738,
+        "narHash": "sha256-bxxNyLHjhu0N8T3REINXQ2ZkJco0ABFPn6PIe2QUfqo=",
+        "owner": "numtide",
+        "repo": "nix-filter",
+        "rev": "41fd48e00c22b4ced525af521ead8792402de0ea",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "nix-filter",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1693626178,
+        "lastModified": 1695318763,
-        "narHash": "sha256-Rpiy6lIOu4zny8tfGuIeN1ji9eSz9nPmm9yBhh/4IOM=",
+        "narHash": "sha256-FHVPDRP2AfvsxAdc+AsgFJevMz5VBmnZglFUMlxBkcY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "bfb7dfec93f3b5d7274db109f2990bc889861caf",
+        "rev": "e12483116b3b51a185a33a272bf351e357ba9a99",
         "type": "github"
       },
       "original": {
@@ -138,11 +153,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1692274144,
+        "lastModified": 1694364351,
-        "narHash": "sha256-BxTQuRUANQ81u8DJznQyPmRsg63t4Yc+0kcyq6OLz8s=",
+        "narHash": "sha256-oadhSCqopYXxURwIA6/Anpe5IAG11q2LhvTJNP5zE6o=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "7e3517c03d46159fdbf8c0e5c97f82d5d4b0c8fa",
+        "rev": "4f883a76282bc28eb952570afc3d8a1bf6f481d7",
         "type": "github"
       },
       "original": {
@@ -156,6 +171,7 @@
         "flake-compat": "flake-compat",
         "flake-parts": "flake-parts",
         "libnbtplusplus": "libnbtplusplus",
+        "nix-filter": "nix-filter",
         "nixpkgs": "nixpkgs",
         "pre-commit-hooks": "pre-commit-hooks"
       }

flake.nix

@@ -4,6 +4,7 @@
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
     flake-parts.url = "github:hercules-ci/flake-parts";
+    nix-filter.url = "github:numtide/nix-filter";
     pre-commit-hooks = {
       url = "github:cachix/pre-commit-hooks.nix";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -20,12 +21,14 @@
     };
   };
 
-  outputs = inputs:
+  outputs = {
-    inputs.flake-parts.lib.mkFlake
+    flake-parts,
-    {inherit inputs;}
+    pre-commit-hooks,
-    {
+    ...
+  } @ inputs:
+    flake-parts.lib.mkFlake {inherit inputs;} {
       imports = [
-        inputs.pre-commit-hooks.flakeModule
+        pre-commit-hooks.flakeModule
 
         ./nix/dev.nix
         ./nix/distribution.nix

launcher/Application.cpp

@@ -503,6 +503,9 @@ Application::Application(int& argc, char** argv) : QApplication(argc, argv)
 
         m_settings->registerSetting("MenuBarInsteadOfToolBar", false);
 
+        m_settings->registerSetting("NumberOfConcurrentTasks", 10);
+        m_settings->registerSetting("NumberOfConcurrentDownloads", 6);
+
         QString defaultMonospace;
         int defaultSize = 11;
 #ifdef Q_OS_WIN32

launcher/CMakeLists.txt

@@ -1142,6 +1142,9 @@ include(CompilerWarnings)
 
 # Add executable
 add_library(Launcher_logic STATIC ${LOGIC_SOURCES} ${LAUNCHER_SOURCES} ${LAUNCHER_UI} ${LAUNCHER_RESOURCES})
+if(BUILD_TESTING)
+target_compile_definitions(Launcher_logic PUBLIC LAUNCHER_TEST)
+endif()
 set_project_warnings(Launcher_logic
     "${Launcher_MSVC_WARNINGS}"
     "${Launcher_CLANG_WARNINGS}"

launcher/minecraft/MinecraftInstance.cpp

@@ -311,7 +311,7 @@ QString MinecraftInstance::getLocalLibraryPath() const
 bool MinecraftInstance::supportsDemo() const
 {
     Version instance_ver{ getPackProfile()->getComponentVersion("net.minecraft") };
-    // Demo mode was introduced in 1.3.1: https://minecraft.fandom.com/wiki/Demo_mode#History
+    // Demo mode was introduced in 1.3.1: https://minecraft.wiki/w/Demo_mode#History
     // FIXME: Due to Version constraints atm, this can't handle well non-release versions
     return instance_ver >= Version("1.3.1");
 }

launcher/minecraft/mod/DataPack.cpp

@@ -28,7 +28,7 @@
 #include "Version.h"
 
 // Values taken from:
-// https://minecraft.fandom.com/wiki/Tutorials/Creating_a_data_pack#%22pack_format%22
+// https://minecraft.wiki/w/Tutorials/Creating_a_data_pack#%22pack_format%22
 static const QMap<int, std::pair<Version, Version>> s_pack_format_versions = {
     { 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") } },

launcher/minecraft/mod/DataPack.h

@@ -63,7 +63,7 @@ class DataPack : public Resource {
     mutable QMutex m_data_lock;
 
     /* The 'version' of a data pack, as defined in the pack.mcmeta file.
-     * See https://minecraft.fandom.com/wiki/Data_pack#pack.mcmeta
+     * See https://minecraft.wiki/w/Data_pack#pack.mcmeta
      */
     int m_pack_format = 0;
 

launcher/minecraft/mod/ResourceFolderModel.cpp

@@ -33,6 +33,10 @@ ResourceFolderModel::ResourceFolderModel(QDir dir, BaseInstance* instance, QObje
 
     connect(&m_watcher, &QFileSystemWatcher::directoryChanged, this, &ResourceFolderModel::directoryChanged);
     connect(&m_helper_thread_task, &ConcurrentTask::finished, this, [this] { m_helper_thread_task.clear(); });
+#ifndef LAUNCHER_TEST
+    // in tests the application macro doesn't work
+    m_helper_thread_task.setMaxConcurrent(APPLICATION->settings()->get("NumberOfConcurrentTasks").toInt());
+#endif
 }
 
 ResourceFolderModel::~ResourceFolderModel()

launcher/minecraft/mod/ResourcePack.cpp

@@ -11,7 +11,7 @@
 #include "minecraft/mod/tasks/LocalResourcePackParseTask.h"
 
 // Values taken from:
-// https://minecraft.fandom.com/wiki/Tutorials/Creating_a_resource_pack#Formatting_pack.mcmeta
+// https://minecraft.wiki/w/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") } },

launcher/minecraft/mod/ResourcePack.h

@@ -51,7 +51,7 @@ class ResourcePack : public Resource {
     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
+     * See https://minecraft.wiki/w/Tutorials/Creating_a_resource_pack#Formatting_pack.mcmeta
      */
     int m_pack_format = 0;
 

launcher/minecraft/mod/tasks/GetModDependenciesTask.cpp

@@ -251,3 +251,32 @@ void GetModDependenciesTask::removePack(const QVariant addonId)
             ++it;
 #endif
 }
+
+QHash<QString, QStringList> GetModDependenciesTask::getRequiredBy()
+{
+    QHash<QString, QStringList> rby;
+    auto fullList = m_selected + m_pack_dependencies;
+    for (auto& mod : fullList) {
+        auto addonId = mod->pack->addonId;
+        auto provider = mod->pack->provider;
+        auto version = mod->version.fileId;
+        auto req = QStringList();
+        for (auto& smod : fullList) {
+            if (provider != smod->pack->provider)
+                continue;
+            auto deps = smod->version.dependencies;
+            if (auto dep = std::find_if(deps.begin(), deps.end(),
+                                        [addonId, provider, version](const ModPlatform::Dependency& d) {
+                                            return d.type == ModPlatform::DependencyType::REQUIRED &&
+                                                   (provider == ModPlatform::ResourceProvider::MODRINTH && d.addonId.toString().isEmpty()
+                                                        ? version == d.version
+                                                        : d.addonId == addonId);
+                                        });
+                dep != deps.end()) {
+                req.append(smod->pack->name);
+            }
+        }
+        rby[addonId.toString()] = req;
+    }
+    return rby;
+}

launcher/minecraft/mod/tasks/GetModDependenciesTask.h

@@ -62,6 +62,7 @@ class GetModDependenciesTask : public SequentialTask {
                                     QList<std::shared_ptr<PackDependency>> selected);
 
     auto getDependecies() const -> QList<std::shared_ptr<PackDependency>> { return m_pack_dependencies; }
+    QHash<QString, QStringList> getRequiredBy();
 
    protected slots:
     Task::Ptr prepareDependencyTask(const ModPlatform::Dependency&, const ModPlatform::ResourceProvider, int);

launcher/minecraft/mod/tasks/LocalDataPackParseTask.cpp

@@ -133,7 +133,7 @@ bool processZIP(DataPack& pack, ProcessingLevel level)
     return true;
 }
 
-// https://minecraft.fandom.com/wiki/Data_pack#pack.mcmeta
+// https://minecraft.wiki/w/Data_pack#pack.mcmeta
 bool processMCMeta(DataPack& pack, QByteArray&& raw_data)
 {
     try {

launcher/minecraft/mod/tasks/LocalResourcePackParseTask.cpp

@@ -178,7 +178,7 @@ bool processZIP(ResourcePack& pack, ProcessingLevel level)
     return true;
 }
 
-// https://minecraft.fandom.com/wiki/Tutorials/Creating_a_resource_pack#Formatting_pack.mcmeta
+// https://minecraft.wiki/w/Tutorials/Creating_a_resource_pack#Formatting_pack.mcmeta
 bool processMCMeta(ResourcePack& pack, QByteArray&& raw_data)
 {
     try {

launcher/modplatform/CheckUpdateTask.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "minecraft/mod/Mod.h"
+#include "minecraft/mod/tasks/GetModDependenciesTask.h"
 #include "modplatform/ModIndex.h"
 #include "modplatform/ResourceAPI.h"
 #include "tasks/Task.h"
@@ -40,6 +41,7 @@ class CheckUpdateTask : public Task {
     };
 
     auto getUpdatable() -> std::vector<UpdatableMod>&& { return std::move(m_updatable); }
+    auto getDependencies() -> QList<std::shared_ptr<GetModDependenciesTask::PackDependency>>&& { return std::move(m_deps); }
 
    public slots:
     bool abort() override = 0;
@@ -57,4 +59,5 @@ class CheckUpdateTask : public Task {
     std::shared_ptr<ModFolderModel> m_mods_folder;
 
     std::vector<UpdatableMod> m_updatable;
+    QList<std::shared_ptr<GetModDependenciesTask::PackDependency>> m_deps;
 };

launcher/modplatform/EnsureMetadataTask.cpp

@@ -3,6 +3,7 @@
 #include <MurmurHash2.h>
 #include <QDebug>
 
+#include "Application.h"
 #include "Json.h"
 
 #include "minecraft/mod/Mod.h"
@@ -33,7 +34,7 @@ EnsureMetadataTask::EnsureMetadataTask(Mod* mod, QDir dir, ModPlatform::Resource
 EnsureMetadataTask::EnsureMetadataTask(QList<Mod*>& mods, QDir dir, ModPlatform::ResourceProvider prov)
     : Task(nullptr), m_index_dir(dir), m_provider(prov), m_current_task(nullptr)
 {
-    m_hashing_task.reset(new ConcurrentTask(this, "MakeHashesTask", 10));
+    m_hashing_task.reset(new ConcurrentTask(this, "MakeHashesTask", APPLICATION->settings()->get("NumberOfConcurrentTasks").toInt()));
     for (auto* mod : mods) {
         auto hash_task = createNewHash(mod);
         if (!hash_task)

launcher/modplatform/flame/FlameAPI.h

@@ -38,6 +38,8 @@ class FlameAPI : public NetworkResourceAPI {
                 return 6;
             case ModPlatform::ResourceType::RESOURCE_PACK:
                 return 12;
+            case ModPlatform::ResourceType::SHADER_PACK:
+                return 6552;
         }
     }
 

launcher/modplatform/flame/FlameCheckUpdate.cpp

@@ -10,6 +10,7 @@
 #include "ResourceDownloadTask.h"
 
 #include "minecraft/mod/ModFolderModel.h"
+#include "minecraft/mod/tasks/GetModDependenciesTask.h"
 
 #include "net/ApiDownload.h"
 
@@ -154,7 +155,6 @@ void FlameCheckUpdate::executeTask()
             continue;
         }
 
-        if (!latest_ver.hash.isEmpty() && (mod->metadata()->hash != latest_ver.hash || mod->status() == ModStatus::NotInstalled)) {
         // Fake pack with the necessary info to pass to the download task :)
         auto pack = std::make_shared<ModPlatform::IndexedPack>();
         pack->name = mod->name();
@@ -165,7 +165,7 @@ void FlameCheckUpdate::executeTask()
             pack->authors.append({ author });
         pack->description = mod->description();
         pack->provider = ModPlatform::ResourceProvider::FLAME;
-
+        if (!latest_ver.hash.isEmpty() && (mod->metadata()->hash != latest_ver.hash || mod->status() == ModStatus::NotInstalled)) {
             auto old_version = mod->version();
             if (old_version.isEmpty() && mod->status() != ModStatus::NotInstalled) {
                 auto current_ver = getFileInfo(latest_ver.addonId.toInt(), mod->metadata()->file_id.toInt());
@@ -177,6 +177,7 @@ void FlameCheckUpdate::executeTask()
                                      api.getModFileChangelog(latest_ver.addonId.toInt(), latest_ver.fileId.toInt()),
                                      ModPlatform::ResourceProvider::FLAME, download_task);
         }
+        m_deps.append(std::make_shared<GetModDependenciesTask::PackDependency>(pack, latest_ver));
     }
 
     emitSucceeded();

launcher/modplatform/flame/FlamePackExportTask.cpp

@@ -28,6 +28,7 @@
 #include <algorithm>
 #include <iterator>
 #include <memory>
+#include "Application.h"
 #include "Json.h"
 #include "MMCZip.h"
 #include "minecraft/PackProfile.h"
@@ -102,7 +103,8 @@ void FlamePackExportTask::collectHashes()
     setStatus(tr("Finding file hashes..."));
     setProgress(1, 5);
     auto allMods = mcInstance->loaderModList()->allMods();
-    ConcurrentTask::Ptr hashingTask(new ConcurrentTask(this, "MakeHashesTask", 10));
+    ConcurrentTask::Ptr hashingTask(
+        new ConcurrentTask(this, "MakeHashesTask", APPLICATION->settings()->get("NumberOfConcurrentTasks").toInt()));
     task.reset(hashingTask);
     for (const QFileInfo& file : files) {
         const QString relative = gameRoot.relativeFilePath(file.absoluteFilePath());

launcher/modplatform/modrinth/ModrinthCheckUpdate.cpp

@@ -38,7 +38,7 @@ void ModrinthCheckUpdate::executeTask()
     QStringList hashes;
     auto best_hash_type = ProviderCaps.hashType(ModPlatform::ResourceProvider::MODRINTH).first();
 
-    ConcurrentTask hashing_task(this, "MakeModrinthHashesTask", 10);
+    ConcurrentTask hashing_task(this, "MakeModrinthHashesTask", APPLICATION->settings()->get("NumberOfConcurrentTasks").toInt());
     for (auto* mod : m_mods) {
         if (!mod->enabled()) {
             emit checkFailed(mod, tr("Disabled mods won't be updated, to prevent mod duplication issues!"));
@@ -144,9 +144,6 @@ void ModrinthCheckUpdate::executeTask()
                 auto mod = *mod_iter;
 
                 auto key = project_ver.hash;
-                if ((key != hash && project_ver.is_preferred) || (mod->status() == ModStatus::NotInstalled)) {
-                    if (mod->version() == project_ver.version_number)
-                        continue;
 
                 // Fake pack with the necessary info to pass to the download task :)
                 auto pack = std::make_shared<ModPlatform::IndexedPack>();
@@ -158,12 +155,16 @@ void ModrinthCheckUpdate::executeTask()
                     pack->authors.append({ author });
                 pack->description = mod->description();
                 pack->provider = ModPlatform::ResourceProvider::MODRINTH;
+                if ((key != hash && project_ver.is_preferred) || (mod->status() == ModStatus::NotInstalled)) {
+                    if (mod->version() == project_ver.version_number)
+                        continue;
 
                     auto download_task = makeShared<ResourceDownloadTask>(pack, project_ver, m_mods_folder);
 
                     m_updatable.emplace_back(pack->name, hash, mod->version(), project_ver.version_number, project_ver.changelog,
                                              ModPlatform::ResourceProvider::MODRINTH, download_task);
                 }
+                m_deps.append(std::make_shared<GetModDependenciesTask::PackDependency>(pack, project_ver));
             }
         } catch (Json::JsonException& e) {
             failed(e.cause() + " : " + e.what());

launcher/net/NetJob.cpp

@@ -36,6 +36,14 @@
  */
 
 #include "NetJob.h"
+#include "Application.h"
+
+NetJob::NetJob(QString job_name, shared_qobject_ptr<QNetworkAccessManager> network, int max_concurrent)
+    : ConcurrentTask(nullptr,
+                     job_name,
+                     max_concurrent < 0 ? APPLICATION->settings()->get("NumberOfConcurrentDownloads").toInt() : max_concurrent)
+    , m_network(network)
+{}
 
 auto NetJob::addNetAction(NetAction::Ptr action) -> bool
 {

launcher/net/NetJob.h

@@ -52,9 +52,7 @@ class NetJob : public ConcurrentTask {
    public:
     using Ptr = shared_qobject_ptr<NetJob>;
 
-    explicit NetJob(QString job_name, shared_qobject_ptr<QNetworkAccessManager> network, int max_concurrent = 6)
+    explicit NetJob(QString job_name, shared_qobject_ptr<QNetworkAccessManager> network, int max_concurrent = -1);
-        : ConcurrentTask(nullptr, job_name, max_concurrent), m_network(network)
-    {}
     ~NetJob() override = default;
 
     void startNext() override;

launcher/tasks/ConcurrentTask.h

@@ -51,6 +51,9 @@ class ConcurrentTask : public Task {
     explicit ConcurrentTask(QObject* parent = nullptr, QString task_name = "", int max_concurrent = 6);
     ~ConcurrentTask() override;
 
+    // safe to call before starting the task
+    void setMaxConcurrent(int max_concurrent) { m_total_max_size = max_concurrent; }
+
     bool canAbort() const override { return true; }
 
     inline auto isMultiStep() const -> bool override { return totalSize() > 1; }

launcher/ui/dialogs/BlockedModsDialog.cpp

@@ -44,7 +44,8 @@
 BlockedModsDialog::BlockedModsDialog(QWidget* parent, const QString& title, const QString& text, QList<BlockedMod>& mods)
     : QDialog(parent), ui(new Ui::BlockedModsDialog), m_mods(mods)
 {
-    m_hashing_task = shared_qobject_ptr<ConcurrentTask>(new ConcurrentTask(this, "MakeHashesTask", 10));
+    m_hashing_task = shared_qobject_ptr<ConcurrentTask>(
+        new ConcurrentTask(this, "MakeHashesTask", APPLICATION->settings()->get("NumberOfConcurrentTasks").toInt()));
     connect(m_hashing_task.get(), &Task::finished, this, &BlockedModsDialog::hashTaskFinished);
 
     ui->setupUi(this);

launcher/ui/dialogs/ModUpdateDialog.cpp

@@ -3,6 +3,9 @@
 #include "CustomMessageBox.h"
 #include "ProgressDialog.h"
 #include "ScrollMessageBox.h"
+#include "minecraft/mod/tasks/GetModDependenciesTask.h"
+#include "modplatform/ModIndex.h"
+#include "modplatform/flame/FlameAPI.h"
 #include "ui_ReviewMessageBox.h"
 
 #include "Markdown.h"
@@ -41,7 +44,8 @@ ModUpdateDialog::ModUpdateDialog(QWidget* parent,
     , m_parent(parent)
     , m_mod_model(mods)
     , m_candidates(search_for)
-    , m_second_try_metadata(new ConcurrentTask())
+    , m_second_try_metadata(
+          new ConcurrentTask(nullptr, "Second Metadata Search", APPLICATION->settings()->get("NumberOfConcurrentTasks").toInt()))
     , m_instance(instance)
 {
     ReviewMessageBox::setGeometry(0, 0, 800, 600);
@@ -124,6 +128,8 @@ void ModUpdateDialog::checkCandidates()
         return;
     }
 
+    QList<std::shared_ptr<GetModDependenciesTask::PackDependency>> selectedVers;
+
     // Add found updates for Modrinth
     if (m_modrinth_check_task) {
         auto modrinth_updates = m_modrinth_check_task->getUpdatable();
@@ -133,6 +139,7 @@ void ModUpdateDialog::checkCandidates()
             appendMod(updatable);
             m_tasks.insert(updatable.name, updatable.download);
         }
+        selectedVers.append(m_modrinth_check_task->getDependencies());
     }
 
     // Add found updated for Flame
@@ -144,6 +151,7 @@ void ModUpdateDialog::checkCandidates()
             appendMod(updatable);
             m_tasks.insert(updatable.name, updatable.download);
         }
+        selectedVers.append(m_flame_check_task->getDependencies());
     }
 
     // Report failed update checking
@@ -178,6 +186,47 @@ void ModUpdateDialog::checkCandidates()
         }
     }
 
+    {  // dependencies
+        auto depTask = makeShared<GetModDependenciesTask>(this, m_instance, m_mod_model.get(), selectedVers);
+
+        connect(depTask.get(), &Task::failed, this,
+                [&](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->exec(); });
+
+        connect(depTask.get(), &Task::succeeded, this, [&]() {
+            QStringList warnings = depTask->warnings();
+            if (warnings.count()) {
+                CustomMessageBox::selectable(this, tr("Warnings"), warnings.join('\n'), QMessageBox::Warning)->exec();
+            }
+        });
+
+        ProgressDialog progress_dialog_deps(m_parent);
+        progress_dialog_deps.setSkipButton(true, tr("Abort"));
+        progress_dialog_deps.setWindowTitle(tr("Checking for dependencies..."));
+        auto dret = progress_dialog_deps.execWithTask(depTask.get());
+
+        // If the dialog was skipped / some download error happened
+        if (dret == QDialog::DialogCode::Rejected) {
+            m_aborted = true;
+            QMetaObject::invokeMethod(this, "reject", Qt::QueuedConnection);
+            return;
+        }
+        static FlameAPI api;
+
+        auto getRequiredBy = depTask->getRequiredBy();
+
+        for (auto dep : depTask->getDependecies()) {
+            auto changelog = dep->version.changelog;
+            if (dep->pack->provider == ModPlatform::ResourceProvider::FLAME)
+                changelog = api.getModFileChangelog(dep->version.addonId.toInt(), dep->version.fileId.toInt());
+            auto download_task = makeShared<ResourceDownloadTask>(dep->pack, dep->version, m_mod_model);
+            CheckUpdateTask::UpdatableMod updatable = { dep->pack->name, dep->version.hash,   "",           dep->version.version,
+                                                        changelog,       dep->pack->provider, download_task };
+
+            appendMod(updatable, getRequiredBy.value(dep->version.addonId.toString()));
+            m_tasks.insert(updatable.name, updatable.download);
+        }
+    }
+
     // If there's no mod to be updated
     if (ui->modTreeWidget->topLevelItemCount() == 0) {
         m_no_updates = true;
@@ -236,6 +285,10 @@ auto ModUpdateDialog::ensureMetadata() -> bool
         if (skip_rest)
             continue;
 
+        if (candidate->type() == ResourceType::FOLDER) {
+            continue;
+        }
+
         if (confirm_rest) {
             addToTmp(candidate, provider_rest);
             should_try_others.insert(candidate->internal_id(), try_others_rest);
@@ -346,7 +399,7 @@ void ModUpdateDialog::onMetadataFailed(Mod* mod, bool try_others, ModPlatform::R
     }
 }
 
-void ModUpdateDialog::appendMod(CheckUpdateTask::UpdatableMod const& info)
+void ModUpdateDialog::appendMod(CheckUpdateTask::UpdatableMod const& info, QStringList requiredBy)
 {
     auto item_top = new QTreeWidgetItem(ui->modTreeWidget);
     item_top->setCheckState(0, Qt::CheckState::Checked);
@@ -362,6 +415,21 @@ void ModUpdateDialog::appendMod(CheckUpdateTask::UpdatableMod const& info)
     auto new_version_item = new QTreeWidgetItem(item_top);
     new_version_item->setText(0, tr("New version: %1").arg(info.new_version));
 
+    if (!requiredBy.isEmpty()) {
+        auto requiredByItem = new QTreeWidgetItem(item_top);
+        if (requiredBy.length() == 1) {
+            requiredByItem->setText(0, tr("Required by: %1").arg(requiredBy.back()));
+        } else {
+            requiredByItem->setText(0, tr("Required by:"));
+            auto i = 0;
+            for (auto req : requiredBy) {
+                auto reqItem = new QTreeWidgetItem(requiredByItem);
+                reqItem->setText(0, req);
+                reqItem->insertChildren(i++, { reqItem });
+            }
+        }
+    }
+
     auto changelog_item = new QTreeWidgetItem(item_top);
     changelog_item->setText(0, tr("Changelog of the latest version"));
 

launcher/ui/dialogs/ModUpdateDialog.h

@@ -23,7 +23,7 @@ class ModUpdateDialog final : public ReviewMessageBox {
 
     void checkCandidates();
 
-    void appendMod(const CheckUpdateTask::UpdatableMod& info);
+    void appendMod(const CheckUpdateTask::UpdatableMod& info, QStringList requiredBy = {});
 
     const QList<ResourceDownloadTask::Ptr> getTasks();
     auto indexDir() const -> QDir { return m_mod_model->indexDir(); }

launcher/ui/dialogs/ResourceDownloadDialog.cpp

@@ -127,35 +127,12 @@ void ResourceDownloadDialog::connectButtons()
 
 static ModPlatform::ProviderCapabilities ProviderCaps;
 
-QStringList getRequiredBy(QList<ResourceDownloadDialog::DownloadTaskPtr> tasks, ResourceDownloadDialog::DownloadTaskPtr pack)
-{
-    auto addonId = pack->getPack()->addonId;
-    auto provider = pack->getPack()->provider;
-    auto version = pack->getVersionID();
-    auto req = QStringList();
-    for (auto& task : tasks) {
-        if (provider != task->getPack()->provider)
-            continue;
-        auto deps = task->getVersion().dependencies;
-        if (auto dep = std::find_if(deps.begin(), deps.end(),
-                                    [addonId, provider, version](const ModPlatform::Dependency& d) {
-                                        return d.type == ModPlatform::DependencyType::REQUIRED &&
-                                               (provider == ModPlatform::ResourceProvider::MODRINTH && d.addonId.toString().isEmpty()
-                                                    ? version == d.version
-                                                    : d.addonId == addonId);
-                                    });
-            dep != deps.end()) {
-            req.append(task->getName());
-        }
-    }
-    return req;
-}
-
 void ResourceDownloadDialog::confirm()
 {
     auto confirm_dialog = ReviewMessageBox::create(this, tr("Confirm %1 to download").arg(resourcesString()));
     confirm_dialog->retranslateUi(resourcesString());
 
+    QHash<QString, QStringList> getRequiredBy;
     if (auto task = getModDependenciesTask(); task) {
         connect(task.get(), &Task::failed, this,
                 [&](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->exec(); });
@@ -180,6 +157,7 @@ void ResourceDownloadDialog::confirm()
         } else {
             for (auto dep : task->getDependecies())
                 addResource(dep->pack, dep->version);
+            getRequiredBy = task->getRequiredBy();
         }
     }
 
@@ -189,7 +167,8 @@ void ResourceDownloadDialog::confirm()
     });
     for (auto& task : selected) {
         confirm_dialog->appendResource({ task->getName(), task->getFilename(), task->getCustomPath(),
-                                         ProviderCaps.name(task->getProvider()), getRequiredBy(selected, task) });
+                                         ProviderCaps.name(task->getProvider()),
+                                         getRequiredBy.value(task->getPack()->addonId.toString()) });
     }
 
     if (confirm_dialog->exec()) {
@@ -370,6 +349,8 @@ QList<BasePage*> ShaderPackDownloadDialog::getPages()
 {
     QList<BasePage*> pages;
     pages.append(ModrinthShaderPackPage::create(this, *m_instance));
+    if (APPLICATION->capabilities() & Application::SupportsFlame)
+        pages.append(FlameShaderPackPage::create(this, *m_instance));
     return pages;
 }
 

launcher/ui/pages/global/LauncherPage.cpp

@@ -200,6 +200,9 @@ void LauncherPage::applySettings()
 
     s->set("MenuBarInsteadOfToolBar", ui->preferMenuBarCheckBox->isChecked());
 
+    s->set("NumberOfConcurrentTasks", ui->numberOfConcurrentTasksSpinBox->value());
+    s->set("NumberOfConcurrentDownloads", ui->numberOfConcurrentDownloadsSpinBox->value());
+
     // Console settings
     s->set("ShowConsole", ui->showConsoleCheck->isChecked());
     s->set("AutoCloseConsole", ui->autoCloseConsoleCheck->isChecked());
@@ -248,6 +251,9 @@ void LauncherPage::loadSettings()
 #endif
     ui->preferMenuBarCheckBox->setChecked(s->get("MenuBarInsteadOfToolBar").toBool());
 
+    ui->numberOfConcurrentTasksSpinBox->setValue(s->get("NumberOfConcurrentTasks").toInt());
+    ui->numberOfConcurrentDownloadsSpinBox->setValue(s->get("NumberOfConcurrentDownloads").toInt());
+
     // Console settings
     ui->showConsoleCheck->setChecked(s->get("ShowConsole").toBool());
     ui->autoCloseConsoleCheck->setChecked(s->get("AutoCloseConsole").toBool());

launcher/ui/pages/global/LauncherPage.ui

@@ -209,6 +209,43 @@
          </layout>
         </widget>
        </item>
+       <item>
+        <widget class="QGroupBox" name="miscellaneousGroupBox">
+         <property name="title">
+          <string>Miscellaneous</string>
+         </property>
+         <layout class="QGridLayout" name="gridLayout">
+          <item row="0" column="0">
+           <widget class="QLabel" name="numberOfConcurrentTasksLabel">
+            <property name="text">
+             <string>Number of concurrent tasks</string>
+            </property>
+           </widget>
+          </item>
+          <item row="0" column="1">
+           <widget class="QSpinBox" name="numberOfConcurrentTasksSpinBox">
+            <property name="minimum">
+             <number>1</number>
+            </property>
+           </widget>
+          </item>
+          <item row="1" column="0">
+           <widget class="QLabel" name="numberOfConcurrentDownloadsLabel">
+            <property name="text">
+             <string>Number of concurrent downloads</string>
+            </property>
+           </widget>
+          </item>
+          <item row="1" column="1">
+           <widget class="QSpinBox" name="numberOfConcurrentDownloadsSpinBox">
+            <property name="minimum">
+             <number>1</number>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
        <item>
         <spacer name="verticalSpacer_2">
          <property name="orientation">

launcher/ui/pages/instance/ModFolderPage.cpp

@@ -175,7 +175,7 @@ void ModFolderPage::installMods()
 
     ResourceDownload::ModDownloadDialog mdownload(this, m_model, m_instance);
     if (mdownload.exec()) {
-        ConcurrentTask* tasks = new ConcurrentTask(this);
+        auto tasks = new ConcurrentTask(this, "Download Mods", APPLICATION->settings()->get("NumberOfConcurrentDownloads").toInt());
         connect(tasks, &Task::failed, [this, tasks](QString reason) {
             CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->show();
             tasks->deleteLater();
@@ -234,7 +234,7 @@ void ModFolderPage::updateMods()
     }
 
     if (update_dialog.exec()) {
-        ConcurrentTask* tasks = new ConcurrentTask(this);
+        auto tasks = new ConcurrentTask(this, "Download Mods", APPLICATION->settings()->get("NumberOfConcurrentDownloads").toInt());
         connect(tasks, &Task::failed, [this, tasks](QString reason) {
             CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->show();
             tasks->deleteLater();

launcher/ui/pages/instance/ResourcePackPage.cpp

@@ -72,7 +72,8 @@ void ResourcePackPage::downloadRPs()
 
     ResourceDownload::ResourcePackDownloadDialog mdownload(this, std::static_pointer_cast<ResourcePackFolderModel>(m_model), m_instance);
     if (mdownload.exec()) {
-        auto tasks = new ConcurrentTask(this);
+        auto tasks =
+            new ConcurrentTask(this, "Download Resource Pack", APPLICATION->settings()->get("NumberOfConcurrentDownloads").toInt());
         connect(tasks, &Task::failed, [this, tasks](QString reason) {
             CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->show();
             tasks->deleteLater();

launcher/ui/pages/instance/ShaderPackPage.cpp

@@ -65,7 +65,7 @@ void ShaderPackPage::downloadShaders()
 
     ResourceDownload::ShaderPackDownloadDialog mdownload(this, std::static_pointer_cast<ShaderPackFolderModel>(m_model), m_instance);
     if (mdownload.exec()) {
-        auto tasks = new ConcurrentTask(this);
+        auto tasks = new ConcurrentTask(this, "Download Shaders", APPLICATION->settings()->get("NumberOfConcurrentDownloads").toInt());
         connect(tasks, &Task::failed, [this, tasks](QString reason) {
             CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->show();
             tasks->deleteLater();

launcher/ui/pages/instance/TexturePackPage.cpp

@@ -74,7 +74,8 @@ void TexturePackPage::downloadTPs()
 
     ResourceDownload::TexturePackDownloadDialog mdownload(this, std::static_pointer_cast<TexturePackFolderModel>(m_model), m_instance);
     if (mdownload.exec()) {
-        auto tasks = new ConcurrentTask(this);
+        auto tasks =
+            new ConcurrentTask(this, "Download Texture Packs", APPLICATION->settings()->get("NumberOfConcurrentDownloads").toInt());
         connect(tasks, &Task::failed, [this, tasks](QString reason) {
             CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->show();
             tasks->deleteLater();

launcher/ui/pages/modplatform/ResourceModel.cpp

@@ -31,6 +31,9 @@ QHash<ResourceModel*, bool> ResourceModel::s_running_models;
 ResourceModel::ResourceModel(ResourceAPI* api) : QAbstractListModel(), m_api(api)
 {
     s_running_models.insert(this, true);
+#ifndef LAUNCHER_TEST
+    m_current_info_job.setMaxConcurrent(APPLICATION->settings()->get("NumberOfConcurrentDownloads").toInt());
+#endif
 }
 
 ResourceModel::~ResourceModel()

launcher/ui/pages/modplatform/flame/FlameResourceModels.cpp

@@ -121,4 +121,27 @@ auto FlameTexturePackModel::documentToArray(QJsonDocument& obj) const -> QJsonAr
     return Json::ensureArray(obj.object(), "data");
 }
 
+FlameShaderPackModel::FlameShaderPackModel(const BaseInstance& base) : ShaderPackResourceModel(base, new FlameAPI) {}
+
+void FlameShaderPackModel::loadIndexedPack(ModPlatform::IndexedPack& m, QJsonObject& obj)
+{
+    FlameMod::loadIndexedPack(m, obj);
+}
+
+// We already deal with the URLs when initializing the pack, due to the API response's structure
+void FlameShaderPackModel::loadExtraPackInfo(ModPlatform::IndexedPack& m, QJsonObject& obj)
+{
+    FlameMod::loadBody(m, obj);
+}
+
+void FlameShaderPackModel::loadIndexedPackVersions(ModPlatform::IndexedPack& m, QJsonArray& arr)
+{
+    FlameMod::loadIndexedPackVersions(m, arr, APPLICATION->network(), &m_base_instance);
+}
+
+auto FlameShaderPackModel::documentToArray(QJsonDocument& obj) const -> QJsonArray
+{
+    return Json::ensureArray(obj.object(), "data");
+}
+
 }  // namespace ResourceDownload

launcher/ui/pages/modplatform/flame/FlameResourceModels.h

@@ -68,4 +68,21 @@ class FlameTexturePackModel : public TexturePackResourceModel {
     auto documentToArray(QJsonDocument& obj) const -> QJsonArray override;
 };
 
+class FlameShaderPackModel : public ShaderPackResourceModel {
+    Q_OBJECT
+
+   public:
+    FlameShaderPackModel(const BaseInstance&);
+    ~FlameShaderPackModel() override = default;
+
+   private:
+    [[nodiscard]] QString debugName() const override { return Flame::debugName() + " (Model)"; }
+    [[nodiscard]] QString metaEntryBase() const override { return Flame::metaEntryBase(); }
+
+    void loadIndexedPack(ModPlatform::IndexedPack& m, QJsonObject& obj) override;
+    void loadExtraPackInfo(ModPlatform::IndexedPack& m, QJsonObject& obj) override;
+    void loadIndexedPackVersions(ModPlatform::IndexedPack& m, QJsonArray& arr) override;
+    auto documentToArray(QJsonDocument& obj) const -> QJsonArray override;
+};
+
 }  // namespace ResourceDownload

launcher/ui/pages/modplatform/flame/FlameResourcePages.cpp

@@ -173,6 +173,45 @@ void FlameTexturePackPage::openUrl(const QUrl& url)
     TexturePackResourcePage::openUrl(url);
 }
 
+FlameShaderPackPage::FlameShaderPackPage(ShaderPackDownloadDialog* dialog, BaseInstance& instance)
+    : ShaderPackResourcePage(dialog, instance)
+{
+    m_model = new FlameShaderPackModel(instance);
+    m_ui->packView->setModel(m_model);
+
+    addSortings();
+
+    // sometimes Qt just ignores virtual slots and doesn't work as intended it seems,
+    // so it's best not to connect them in the parent's constructor...
+    connect(m_ui->sortByBox, SIGNAL(currentIndexChanged(int)), this, SLOT(triggerSearch()));
+    connect(m_ui->packView->selectionModel(), &QItemSelectionModel::currentChanged, this, &FlameShaderPackPage::onSelectionChanged);
+    connect(m_ui->versionSelectionBox, &QComboBox::currentTextChanged, this, &FlameShaderPackPage::onVersionSelectionChanged);
+    connect(m_ui->resourceSelectionButton, &QPushButton::clicked, this, &FlameShaderPackPage::onResourceSelected);
+
+    m_ui->packDescription->setMetaEntry(metaEntryBase());
+}
+
+bool FlameShaderPackPage::optedOut(ModPlatform::IndexedVersion& ver) const
+{
+    return isOptedOut(ver);
+}
+
+void FlameShaderPackPage::openUrl(const QUrl& url)
+{
+    if (url.scheme().isEmpty()) {
+        QString query = url.query(QUrl::FullyDecoded);
+
+        if (query.startsWith("remoteUrl=")) {
+            // attempt to resolve url from warning page
+            query.remove(0, 10);
+            ShaderPackResourcePage::openUrl({ QUrl::fromPercentEncoding(query.toUtf8()) });  // double decoding is necessary
+            return;
+        }
+    }
+
+    ShaderPackResourcePage::openUrl(url);
+}
+
 // I don't know why, but doing this on the parent class makes it so that
 // other mod providers start loading before being selected, at least with
 // my Qt, so we need to implement this in every derived class...
@@ -188,5 +227,9 @@ auto FlameTexturePackPage::shouldDisplay() const -> bool
 {
     return true;
 }
+auto FlameShaderPackPage::shouldDisplay() const -> bool
+{
+    return true;
+}
 
 }  // namespace ResourceDownload

launcher/ui/pages/modplatform/flame/FlameResourcePages.h

@@ -44,6 +44,7 @@
 
 #include "ui/pages/modplatform/ModPage.h"
 #include "ui/pages/modplatform/ResourcePackPage.h"
+#include "ui/pages/modplatform/ShaderPackPage.h"
 #include "ui/pages/modplatform/TexturePackPage.h"
 
 namespace ResourceDownload {
@@ -155,4 +156,31 @@ class FlameTexturePackPage : public TexturePackResourcePage {
     void openUrl(const QUrl& url) override;
 };
 
+class FlameShaderPackPage : public ShaderPackResourcePage {
+    Q_OBJECT
+
+   public:
+    static FlameShaderPackPage* create(ShaderPackDownloadDialog* dialog, BaseInstance& instance)
+    {
+        return ShaderPackResourcePage::create<FlameShaderPackPage>(dialog, instance);
+    }
+
+    FlameShaderPackPage(ShaderPackDownloadDialog* dialog, BaseInstance& instance);
+    ~FlameShaderPackPage() override = default;
+
+    [[nodiscard]] bool shouldDisplay() const override;
+
+    [[nodiscard]] inline auto displayName() const -> QString override { return Flame::displayName(); }
+    [[nodiscard]] inline auto icon() const -> QIcon override { return Flame::icon(); }
+    [[nodiscard]] inline auto id() const -> QString override { return Flame::id(); }
+    [[nodiscard]] inline auto debugName() const -> QString override { return Flame::debugName(); }
+    [[nodiscard]] inline auto metaEntryBase() const -> QString override { return Flame::metaEntryBase(); }
+
+    [[nodiscard]] inline auto helpPage() const -> QString override { return ""; }
+
+    bool optedOut(ModPlatform::IndexedVersion& ver) const override;
+
+    void openUrl(const QUrl& url) override;
+};
+
 }  // namespace ResourceDownload

launcher/ui/themes/CatPack.cpp

@@ -99,18 +99,22 @@ QDate ensureDay(int year, int month, int day)
 
 QString JsonCatPack::path()
 {
-    const QDate now = QDate::currentDate();
+    return path(QDate::currentDate());
+}
+
+QString JsonCatPack::path(QDate now)
+{
     for (auto var : m_variants) {
         QDate startDate = ensureDay(now.year(), var.startTime.month, var.startTime.day);
         QDate endDate = ensureDay(now.year(), var.endTime.month, var.endTime.day);
         if (startDate > endDate) {  // it's spans over multiple years
-            if (endDate <= now)     // end date is in the past so jump one year into the future for endDate
+            if (endDate < now)      // end date is in the past so jump one year into the future for endDate
                 endDate = endDate.addYears(1);
             else  // end date is in the future so jump one year into the past for startDate
                 startDate = startDate.addYears(-1);
         }
 
-        if (startDate >= now && now >= endDate)
+        if (startDate <= now && now <= endDate)
             return var.path;
     }
     return m_defaultPath;

launcher/ui/themes/CatPack.h

@@ -52,9 +52,9 @@ class BasicCatPack : public CatPack {
    public:
     BasicCatPack(QString id, QString name) : m_id(id), m_name(name) {}
     BasicCatPack(QString id) : BasicCatPack(id, id) {}
-    virtual QString id() { return m_id; }
+    virtual QString id() override { return m_id; }
-    virtual QString name() { return m_name; }
+    virtual QString name() override { return m_name; }
-    virtual QString path();
+    virtual QString path() override;
 
    protected:
     QString m_id;
@@ -83,7 +83,8 @@ class JsonCatPack : public BasicCatPack {
         PartialDate endTime;
     };
     JsonCatPack(QFileInfo& manifestInfo);
-    virtual QString path();
+    virtual QString path() override;
+    QString path(QDate now);
 
    private:
     QString m_defaultPath;

launcher/ui/widgets/InfoFrame.cpp

@@ -158,12 +158,12 @@ QString InfoFrame::renderColorCodes(QString input)
     //
     // TODO: Wrap links inside <a> tags
 
-    // https://minecraft.fandom.com/wiki/Formatting_codes#Color_codes
+    // https://minecraft.wiki/w/Formatting_codes#Color_codes
     const QMap<QChar, QString> color_codes_map = { { '0', "#000000" }, { '1', "#0000AA" }, { '2', "#00AA00" }, { '3', "#00AAAA" },
                                                    { '4', "#AA0000" }, { '5', "#AA00AA" }, { '6', "#FFAA00" }, { '7', "#AAAAAA" },
                                                    { '8', "#555555" }, { '9', "#5555FF" }, { 'a', "#55FF55" }, { 'b', "#55FFFF" },
                                                    { 'c', "#FF5555" }, { 'd', "#FF55FF" }, { 'e', "#FFFF55" }, { 'f', "#FFFFFF" } };
-    // https://minecraft.fandom.com/wiki/Formatting_codes#Formatting_codes
+    // https://minecraft.wiki/w/Formatting_codes#Formatting_codes
     const QMap<QChar, QString> formatting_codes_map = { { 'l', "b" }, { 'm', "s" }, { 'n', "u" }, { 'o', "i" } };
 
     QString html("<html>");

nix/distribution.nix

@@ -9,7 +9,7 @@
     ...
   }: {
     packages = let
-      ourPackages = lib.fix (final: self.overlays.default ({inherit (pkgs) darwin;} // final) pkgs);
+      ourPackages = lib.fix (final: self.overlays.default final pkgs);
     in {
       inherit
         (ourPackages)
@@ -26,19 +26,40 @@
     overlays.default = final: prev: let
       version = builtins.substring 0 8 self.lastModifiedDate or "dirty";
 
+      filteredSelf = inputs.nix-filter.lib.filter {
+        root = ../.;
+        include = [
+          "buildconfig"
+          "cmake"
+          "launcher"
+          "libraries"
+          "program_info"
+          "tests"
+          ../COPYING.md
+          ../CMakeLists.txt
+        ];
+      };
+
       # common args for prismlauncher evaluations
       unwrappedArgs = {
+        self = filteredSelf;
+
         inherit (inputs) libnbtplusplus;
-        inherit (final.darwin.apple_sdk.frameworks) Cocoa;
+        inherit ((final.darwin or prev.darwin).apple_sdk.frameworks) Cocoa;
-        inherit self version;
+        inherit version;
       };
     in {
       prismlauncher-qt5-unwrapped = prev.libsForQt5.callPackage ./pkg unwrappedArgs;
+
       prismlauncher-qt5 = prev.libsForQt5.callPackage ./pkg/wrapper.nix {
         prismlauncher-unwrapped = final.prismlauncher-qt5-unwrapped;
       };
+
       prismlauncher-unwrapped = prev.qt6Packages.callPackage ./pkg unwrappedArgs;
-      prismlauncher = prev.qt6Packages.callPackage ./pkg/wrapper.nix {inherit (final) prismlauncher-unwrapped;};
+
+      prismlauncher = prev.qt6Packages.callPackage ./pkg/wrapper.nix {
+        inherit (final) prismlauncher-unwrapped;
+      };
     };
   };
 }

nix/pkg/default.nix

@@ -58,6 +58,7 @@ assert lib.assertMsg (stdenv.isLinux || !gamemodeSupport) "gamemodeSupport is on
     dontWrapQtApps = true;
 
     meta = with lib; {
+      mainProgram = "prismlauncher";
       homepage = "https://prismlauncher.org/";
       description = "A free, open source launcher for Minecraft";
       longDescription = ''

nix/pkg/wrapper.nix

@@ -18,9 +18,11 @@
   flite,
   mesa-demos,
   udev,
+  libusb1,
   msaClientID ? null,
   gamemodeSupport ? stdenv.isLinux,
   textToSpeechSupport ? stdenv.isLinux,
+  controllerSupport ? stdenv.isLinux,
   jdks ? [jdk17 jdk8],
   additionalLibs ? [],
   additionalPrograms ? [],
@@ -71,6 +73,7 @@ in
         ]
         ++ lib.optional gamemodeSupport gamemode.lib
         ++ lib.optional textToSpeechSupport flite
+        ++ lib.optional controllerSupport libusb1
         ++ additionalLibs;
 
       runtimePrograms =

tests/CMakeLists.txt

@@ -56,3 +56,6 @@ ecm_add_test(Index_test.cpp LINK_LIBRARIES Launcher_logic Qt${QT_VERSION_MAJOR}:
 
 ecm_add_test(Version_test.cpp LINK_LIBRARIES Launcher_logic Qt${QT_VERSION_MAJOR}::Test
     TEST_NAME Version)
+
+ecm_add_test(CatPack_test.cpp LINK_LIBRARIES Launcher_logic Qt${QT_VERSION_MAJOR}::Test
+    TEST_NAME CatPack)

tests/CatPack_test.cpp

@@ -0,0 +1,40 @@
+#include <QTest>
+
+#include <QDate>
+#include <QFileInfo>
+#include <QList>
+#include <QTemporaryFile>
+#include "FileSystem.h"
+#include "ui/themes/CatPack.h"
+
+class CatPackTest : public QObject {
+    Q_OBJECT
+   private slots:
+    void test_catPack()
+    {
+        auto dataDir = QDir(QFINDTESTDATA("testdata/CatPacks")).absolutePath();
+        auto fileName = FS::PathCombine(dataDir, "index.json");
+        auto fileinfo = QFileInfo(fileName);
+        try {
+            auto cat = JsonCatPack(fileinfo);
+            QCOMPARE(cat.path(QDate(2023, 4, 12)), FS::PathCombine(fileinfo.path(), "oneDay.png"));
+            QCOMPARE(cat.path(QDate(2023, 4, 11)), FS::PathCombine(fileinfo.path(), "maxwell.png"));
+            QCOMPARE(cat.path(QDate(2023, 4, 13)), FS::PathCombine(fileinfo.path(), "maxwell.png"));
+            QCOMPARE(cat.path(QDate(2023, 12, 21)), FS::PathCombine(fileinfo.path(), "christmas.png"));
+            QCOMPARE(cat.path(QDate(2023, 12, 28)), FS::PathCombine(fileinfo.path(), "christmas.png"));
+            QCOMPARE(cat.path(QDate(2023, 12, 29)), FS::PathCombine(fileinfo.path(), "newyear.png"));
+            QCOMPARE(cat.path(QDate(2023, 12, 30)), FS::PathCombine(fileinfo.path(), "newyear2.png"));
+            QCOMPARE(cat.path(QDate(2023, 12, 31)), FS::PathCombine(fileinfo.path(), "newyear2.png"));
+            QCOMPARE(cat.path(QDate(2024, 1, 1)), FS::PathCombine(fileinfo.path(), "newyear2.png"));
+            QCOMPARE(cat.path(QDate(2024, 1, 2)), FS::PathCombine(fileinfo.path(), "newyear.png"));
+            QCOMPARE(cat.path(QDate(2024, 1, 3)), FS::PathCombine(fileinfo.path(), "newyear.png"));
+            QCOMPARE(cat.path(QDate(2024, 1, 4)), FS::PathCombine(fileinfo.path(), "maxwell.png"));
+        } catch (const Exception& e) {
+            QFAIL(e.cause().toLatin1());
+        }
+    }
+};
+
+QTEST_GUILESS_MAIN(CatPackTest)
+
+#include "CatPack_test.moc"

tests/testdata/CatPacks/index.json

@@ -0,0 +1,50 @@
+{
+    "name": "My Cute Cat",
+    "default": "maxwell.png",
+    "variants": [
+        {
+            "startTime": {
+                "day": 12,
+                "month": 4
+            },
+            "endTime": {
+                "day": 12,
+                "month": 4
+            },
+            "path": "oneDay.png"
+        },
+        {
+            "startTime": {
+                "day": 20,
+                "month": 12
+            },
+            "endTime": {
+                "day": 28,
+                "month": 12
+            },
+            "path": "christmas.png"
+        },
+        {
+            "startTime": {
+                "day": 30,
+                "month": 12
+            },
+            "endTime": {
+                "day": 1,
+                "month": 1
+            },
+            "path": "newyear2.png"
+        },
+        {
+            "startTime": {
+                "day": 28,
+                "month": 12
+            },
+            "endTime": {
+                "day": 3,
+                "month": 1
+            },
+            "path": "newyear.png"
+        }
+    ]
+}