Initial engine repository

2026-06-08 19:58:35 +08:00
commit 7a925c3736
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+#pragma once
+
+#include <frostbite2D/types/type_math.h>
+
+namespace frostbite2D {
+
+/**
+ * @brief 虚拟分辨率缩放模式
+ */
+enum class ResolutionScaleMode {
+  Disabled,  ///< 不保持纵横比，直接按窗口宽高分别缩放
+  Fit,       ///< 保持纵横比并完整显示，按较小缩放因子适配
+  FitHeight, ///< 以高度优先适配，宽度不足时回退为 Fit
+};
+
+struct RenderResolutionState {
+  int windowWidth = 1280;
+  int windowHeight = 720;
+
+  int drawableWidth = 1280;
+  int drawableHeight = 720;
+
+  int windowViewportX = 0;
+  int windowViewportY = 0;
+  int windowViewportWidth = 1280;
+  int windowViewportHeight = 720;
+
+  int viewportX = 0;
+  int viewportY = 0;
+  int viewportWidth = 1280;
+  int viewportHeight = 720;
+
+  float contentScaleX = 1.0f;
+  float contentScaleY = 1.0f;
+  float scaleX = 1.0f;
+  float scaleY = 1.0f;
+
+  Rect getWindowViewportRect() const {
+    return Rect(static_cast<float>(windowViewportX),
+                static_cast<float>(windowViewportY),
+                static_cast<float>(windowViewportWidth),
+                static_cast<float>(windowViewportHeight));
+  }
+};
+
+} // namespace frostbite2D