85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
#pragma once
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#include <core/color.h>
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#include <renderer/camera.h>
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#include <scene/node.h>
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#include <vector>
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namespace extra2d {
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// 前向声明
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struct RenderCommand;
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// ============================================================================
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// 场景类 - 节点容器，管理整个场景图
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// ============================================================================
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class Scene : public Node {
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public:
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Scene();
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~Scene() override = default;
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// ------------------------------------------------------------------------
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// 场景属性
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// ------------------------------------------------------------------------
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void setBackgroundColor(const Color &color) { backgroundColor_ = color; }
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Color getBackgroundColor() const { return backgroundColor_; }
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// ------------------------------------------------------------------------
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// 摄像机
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// ------------------------------------------------------------------------
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void setCamera(IntrusivePtr<Camera> camera);
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IntrusivePtr<Camera> getCamera() const { return camera_; }
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Camera *getActiveCamera() const {
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return camera_ ? camera_.get() : defaultCamera_.get();
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}
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// ------------------------------------------------------------------------
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// 视口和尺寸
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// ------------------------------------------------------------------------
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void setViewportSize(float width, float height);
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void setViewportSize(const Size &size);
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Size getViewportSize() const { return viewportSize_; }
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float width() const { return viewportSize_.width; }
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float height() const { return viewportSize_.height; }
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// ------------------------------------------------------------------------
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// 场景状态
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// ------------------------------------------------------------------------
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bool isPaused() const { return paused_; }
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void pause() { paused_ = true; }
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void resume() { paused_ = false; }
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// ------------------------------------------------------------------------
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// 渲染和更新
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// ------------------------------------------------------------------------
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void renderScene(Renderer &renderer);
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virtual void renderContent(Renderer &renderer);
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void updateScene(float dt);
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void collectRenderCommands(std::vector<RenderCommand> &commands,
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int parentZOrder = 0) override;
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// ------------------------------------------------------------------------
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// 静态创建方法
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// ------------------------------------------------------------------------
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static IntrusivePtr<Scene> create();
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protected:
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void onEnter() override;
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void onExit() override;
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friend class SceneManager;
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private:
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Color backgroundColor_ = Colors::Black;
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Size viewportSize_ = Size::Zero();
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IntrusivePtr<Camera> camera_;
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IntrusivePtr<Camera> defaultCamera_;
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bool paused_ = false;
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};
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} // namespace extra2d
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