fixed progress bar

src/ui/MenuLayout.cpp

@@ -0,0 +1,41 @@
+#include "ui/MenuLayout.h"
+#include "ui/UIConstants.h"
+#include <cmath>
+#include <array>
+
+namespace ui {
+
+std::array<SDL_FRect, 5> computeMenuButtonRects(const MenuLayoutParams& p) {
+    const float LOGICAL_W = static_cast<float>(p.logicalW);
+    const float LOGICAL_H = static_cast<float>(p.logicalH);
+    bool isSmall = ((LOGICAL_W * p.logicalScale) < MENU_SMALL_THRESHOLD);
+    float btnW = isSmall ? (LOGICAL_W * MENU_BTN_WIDTH_SMALL_FACTOR) : MENU_BTN_WIDTH_LARGE;
+    float btnH = isSmall ? MENU_BTN_HEIGHT_SMALL : MENU_BTN_HEIGHT_LARGE;
+    float contentOffsetX = (p.winW - LOGICAL_W * p.logicalScale) * 0.5f / p.logicalScale;
+    float contentOffsetY = (p.winH - LOGICAL_H * p.logicalScale) * 0.5f / p.logicalScale;
+    float btnCX = LOGICAL_W * 0.5f + contentOffsetX;
+    float btnCY = LOGICAL_H * 0.86f + contentOffsetY + MENU_BTN_Y_OFFSET;
+    float spacing = isSmall ? btnW * MENU_BTN_SPACING_FACTOR_SMALL : btnW * MENU_BTN_SPACING_FACTOR_LARGE;
+    std::array<SDL_FRect, MENU_BTN_COUNT> rects{};
+    for (int i = 0; i < MENU_BTN_COUNT; ++i) {
+        float center = btnCX + (static_cast<float>(i) - MENU_BTN_CENTER) * spacing;
+        rects[i] = SDL_FRect{center - btnW / 2.0f, btnCY - btnH / 2.0f, btnW, btnH};
+    }
+    return rects;
+}
+
+int hitTestMenuButtons(const MenuLayoutParams& p, float localX, float localY) {
+    auto rects = computeMenuButtonRects(p);
+    for (int i = 0; i < MENU_BTN_COUNT; ++i) {
+        const auto &r = rects[i];
+        if (localX >= r.x && localX <= r.x + r.w && localY >= r.y && localY <= r.y + r.h)
+            return i;
+    }
+    return -1;
+}
+
+SDL_FRect settingsButtonRect(const MenuLayoutParams& p) {
+    return SDL_FRect{SETTINGS_BTN_X, SETTINGS_BTN_Y, SETTINGS_BTN_W, SETTINGS_BTN_H};
+}
+
+} // namespace ui