Remove more redundant mod scanning and fix mods being scanned during gameplay

include/recomp_ui.h

@@ -111,7 +111,7 @@ namespace recompui {
     );
     void close_prompt();
     bool is_prompt_open();
-    void update_mod_list();
+    void update_mod_list(bool scan_mods = true);
     void process_game_started();
 
     void apply_color_hack();

src/ui/ui_config.cpp

@@ -464,7 +464,7 @@ public:
     }
     void load_document() override {
 		config_context = recompui::create_context(zelda64::get_asset_path("config_menu.rml"));
-        recompui::update_mod_list();
+        recompui::update_mod_list(false);
     }
     void register_events(recompui::UiEventListenerInstancer& listener) override {
         recompui::register_event(listener, "apply_options",

src/ui/ui_mod_menu.cpp

@@ -246,12 +246,14 @@ void ModEntrySpacer::set_target_height(float target_height, bool animate_to_targ
 
 // ModMenu
 
-void ModMenu::refresh_mods() {
+void ModMenu::refresh_mods(bool scan_mods) {
     for (const std::string &thumbnail : loaded_thumbnails) {
         recompui::release_image(thumbnail);
     }
 
-    recomp::mods::scan_mods();
+    if (scan_mods) {
+        recomp::mods::scan_mods();
+    }
     mod_details = recomp::mods::get_all_mod_details(game_mod_id);
     create_mod_list();
 }
@@ -606,8 +608,9 @@ void ModMenu::create_mod_list() {
 void ModMenu::process_event(const Event &e) {
     if (e.type == EventType::Update) {
         if (mods_dirty) {
-            refresh_mods();
+            refresh_mods(mod_scan_queued);
             mods_dirty = false;
+            mod_scan_queued = false;
         }
         if (ultramodern::is_game_started()) {
             install_mods_button->set_enabled(false);
@@ -686,7 +689,7 @@ ModMenu::ModMenu(Element *parent) : Element(parent) {
             footer_spacer->set_flex(1.0f, 0.0f);
 
             refresh_button = context.create_element<Button>(footer_container, "Refresh", recompui::ButtonStyle::Primary);
-            refresh_button->add_pressed_callback([this](){ refresh_mods(); });
+            refresh_button->add_pressed_callback([this](){ refresh_mods(true); });
             refresh_button->set_nav_manual(NavDirection::Up, mod_tab_id);
 
             mods_folder_button = context.create_element<Button>(footer_container, "Open Mods Folder", recompui::ButtonStyle::Primary);
@@ -721,12 +724,12 @@ ModMenu::~ModMenu() {
 
 recompui::ModMenu* mod_menu;
 
-void update_mod_list() {
+void update_mod_list(bool scan_mods) {
     if (mod_menu) {
         recompui::ContextId ui_context = recompui::get_config_context_id();
         bool opened = ui_context.open_if_not_already();
 
-        mod_menu->set_mods_dirty();
+        mod_menu->set_mods_dirty(scan_mods);
         mod_menu->queue_update();
 
         if (opened) {

src/ui/ui_mod_menu.h

@@ -73,11 +73,11 @@ class ModMenu : public Element {
 public:
     ModMenu(Element *parent);
     virtual ~ModMenu();
-    void set_mods_dirty() { mods_dirty = true; }
+    void set_mods_dirty(bool scan_mods) { mods_dirty = true; mod_scan_queued = scan_mods; }
 protected:
     std::string_view get_type_name() override { return "ModMenu"; }
 private:
-    void refresh_mods();
+    void refresh_mods(bool scan_mods);
     void open_mods_folder();
     void open_install_dialog();
     void mod_toggled(bool enabled);
@@ -113,6 +113,7 @@ private:
     std::unordered_set<std::string> loaded_thumbnails;
     std::string game_mod_id;
     bool mods_dirty = false;
+    bool mod_scan_queued = false;
 
     ConfigSubMenu *config_sub_menu;
 };

src/ui/ui_state.cpp

@@ -957,7 +957,6 @@ void recompui::drop_files(const std::list<std::filesystem::path> &file_list) {
     if (confirmations.empty()) {
         std::vector<std::string> error_messages{};
         ModInstaller::finish_mod_installation(result, error_messages);
-        recomp::mods::scan_mods();
         ContextId old_context = recompui::try_close_current_context();
         recompui::update_mod_list();
         if (old_context != ContextId::null()) {
@@ -990,7 +989,6 @@ void recompui::drop_files(const std::list<std::filesystem::path> &file_list) {
                 std::vector<std::string> error_messages{};
                 recomp::mods::close_mods();
                 ModInstaller::finish_mod_installation(result, error_messages);
-                recomp::mods::scan_mods();
                 ContextId old_context = recompui::try_close_current_context();
                 recompui::update_mod_list();
                 if (old_context != ContextId::null()) {