Switch to reference_wrapper instead of polymorphic_value

src/Screens/MusicSelect/MusicSelect.cpp

@@ -1,11 +1,12 @@
 #include "MusicSelect.hpp"
 
+#include <functional>
+#include <iostream>
+
 #include <imgui/imgui.h>
 #include <imgui/misc/cpp/imgui_stdlib.h>
 #include <imgui-sfml/imgui-SFML.h>
 
-#include <iostream>
-
 #include "../../Data/Buttons.hpp"
 #include "../../Data/KeyMapping.hpp"
 #include "../../Toolkit/NormalizedOrigin.hpp"
@@ -22,8 +23,8 @@ MusicSelect::Screen::Screen(
     markers(t_markers),
     ribbon(PanelLayout::title_sort(t_song_list, resources), resources),
     song_info(resources),
-    selected_panel(),
     button_highlight(resources),
+    main_option_page(resources),
     black_frame(t_preferences),
     key_mapping()
 {
@@ -97,7 +98,7 @@ void MusicSelect::Screen::select_chart(sf::RenderWindow& window) {
                     ) / 2.f}*static_cast<float>(resources.m_preferences.screen.width)
                 );
                 if (not resources.options_state.empty()) {
-                    resources.options_state.top()->update();
+                    resources.options_state.top().get().update();
                 }
                 break;
             default:
@@ -110,7 +111,7 @@ void MusicSelect::Screen::select_chart(sf::RenderWindow& window) {
         window.draw(ribbon);
         if (not resources.options_state.empty()) {
             window.draw(panel_filter);
-            window.draw(*resources.options_state.top());
+            window.draw(resources.options_state.top());
         }
         window.draw(button_highlight);
         window.draw(song_info);
@@ -185,12 +186,12 @@ void MusicSelect::Screen::press_button(const Data::Button& button) {
     // Are we displaying the options menu ?
     if (not resources.options_state.empty()) {
         if (button_index < 14) {
-            resources.options_state.top()->click(button);
+            resources.options_state.top().get().click(button);
         } else {
             if (button == Data::Button::B15) {
                 resources.options_state.pop();
                 if (not resources.options_state.empty()) {
-                    resources.options_state.top()->update();
+                    resources.options_state.top().get().update();
                 }
             }
         }
@@ -206,11 +207,7 @@ void MusicSelect::Screen::press_button(const Data::Button& button) {
                 ribbon.move_right();
                 break;
             case Data::Button::B15: // Options Menu
-                resources.options_state.push(
-                    jbcoe::polymorphic_value<OptionPage>(
-                        MainOptionPage{resources}
-                    )
-                );
+                resources.options_state.push(main_option_page);
                 break;
             default:
                 break;

src/Screens/MusicSelect/MusicSelect.hpp

@@ -44,8 +44,8 @@ namespace MusicSelect {
         // State
         Ribbon ribbon;
         SongInfo song_info;
-        std::optional<std::reference_wrapper<SongPanel>> selected_panel;
         ButtonHighlight button_highlight;
+        MainOptionPage main_option_page;
 
         Drawables::BlackFrame black_frame;
         sf::RectangleShape panel_filter;

src/Screens/MusicSelect/OptionPage.cpp

@@ -1,5 +1,6 @@
 #include "OptionPage.hpp"
 
+#include <iostream>
 #include <vector>
 
 #include "Ribbon.hpp"

src/Screens/MusicSelect/Panels/SubpagePanel.cpp

@@ -4,7 +4,7 @@
 
 namespace MusicSelect {
     void SubpagePanel::click(Ribbon&, const Data::Button&) {
-        m_resources.options_state.push(m_subpage);
+        m_resources.options_state.push(*m_subpage);
     }
 
     void SubpagePanel::draw(sf::RenderTarget& target, sf::RenderStates states) const {

src/Screens/MusicSelect/Ribbon.cpp

@@ -163,7 +163,7 @@ namespace MusicSelect {
         for (int column_offset = -1; column_offset <= 4; column_offset++) {
             std::size_t actual_column = (column_zero + column_offset + m_layout.size()) % m_layout.size();
             for (int row = 0; row < 3; row++) {
-                auto panel = m_layout.at(actual_column).at(row);
+                auto& panel = m_layout.at(actual_column).at(row);
                 panel->setPosition(
                     (static_cast<float>(relative_column_zero + column_offset) - float_position) * (get_panel_step()),
                     row * (get_panel_step())
@@ -177,7 +177,7 @@ namespace MusicSelect {
         for (int column = -1; column <= 4; column++) {
             int actual_column_index = (column + m_position + m_layout.size()) % m_layout.size();
             for (int row = 0; row < 3; row++) {
-                auto panel = m_layout.at(actual_column_index).at(row);
+                auto& panel = m_layout.at(actual_column_index).at(row);
                 panel->setPosition(column * (get_panel_step()), row * (get_panel_step()));
                 target.draw(*panel, states);
             }

src/Screens/MusicSelect/Ribbon.hpp

@@ -54,7 +54,7 @@ namespace MusicSelect {
         void draw_with_animation(sf::RenderTarget& target, sf::RenderStates states) const;
         void draw_without_animation(sf::RenderTarget& target, sf::RenderStates states) const;
         std::size_t get_layout_column(const Data::Button& button) const;
-        PanelLayout m_layout;
+        mutable PanelLayout m_layout;
         std::size_t m_position = 0;
         mutable std::optional<MoveAnimation> m_move_animation;
         float m_time_factor = 1.f;

src/Screens/MusicSelect/SharedResources.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <cstddef>
+#include <functional>
 #include <optional>
 
 #include <jbcoe/polymorphic_value.h>
@@ -61,7 +62,7 @@ namespace MusicSelect {
 
         MusicPreview music_preview;
 
-        std::stack<jbcoe::polymorphic_value<OptionPage>> options_state;
+        std::stack<std::reference_wrapper<OptionPage>> options_state;
 
         const Resources::Markers& markers;