Updated bottom menu

src/ui/BottomMenu.h

@@ -0,0 +1,63 @@
+#pragma once
+
+#include <array>
+#include <optional>
+#include <string>
+
+#include <SDL3/SDL.h>
+
+#include "ui/MenuLayout.h"
+#include "ui/UIConstants.h"
+
+struct FontAtlas;
+
+namespace ui {
+
+enum class BottomMenuItem : int {
+    Play = 0,
+    Level = 1,
+    Options = 2,
+    Help = 3,
+    Exit = 4,
+};
+
+struct Button {
+    BottomMenuItem item{};
+    SDL_FRect rect{};
+    std::string label;
+    bool textOnly = true;
+};
+
+struct BottomMenu {
+    std::array<Button, MENU_BTN_COUNT> buttons{};
+};
+
+BottomMenu buildBottomMenu(const MenuLayoutParams& params, int startLevel);
+
+// Draws the cockpit HUD menu (PLAY + 4 bottom items) using existing UIRenderer primitives.
+// hoveredIndex: -1..4
+// selectedIndex: 0..4 (keyboard selection)
+// alphaMul: 0..1 (overall group alpha)
+void renderBottomMenu(SDL_Renderer* renderer,
+                      FontAtlas* font,
+                      const BottomMenu& menu,
+                      int hoveredIndex,
+                      int selectedIndex,
+                      double baseAlphaMul,
+                      double flashAddMul);
+
+struct BottomMenuInputResult {
+    int hoveredIndex = -1;
+    std::optional<BottomMenuItem> activated;
+};
+
+// Interprets mouse motion/button input for the bottom menu.
+// Expects x/y in the same logical coordinate space used by MenuLayout (the current main loop already provides this).
+BottomMenuInputResult handleBottomMenuInput(const MenuLayoutParams& params,
+                                            const SDL_Event& e,
+                                            float x,
+                                            float y,
+                                            int prevHoveredIndex,
+                                            bool inputEnabled);
+
+} // namespace ui