108 lines
3.9 KiB
C++
108 lines
3.9 KiB
C++
#pragma once
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#include <easy2d/scene/node.h>
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#include <easy2d/core/color.h>
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#include <easy2d/graphics/camera.h>
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#include <easy2d/spatial/spatial_manager.h>
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#include <vector>
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namespace easy2d {
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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(Ptr<Camera> camera);
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Ptr<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 getWidth() const { return viewportSize_.width; }
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float getHeight() 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(RenderBackend& renderer);
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void renderContent(RenderBackend& renderer);
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void updateScene(float dt);
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void collectRenderCommands(std::vector<RenderCommand>& commands);
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// ------------------------------------------------------------------------
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// 空间索引系统
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// ------------------------------------------------------------------------
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SpatialManager& getSpatialManager() { return spatialManager_; }
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const SpatialManager& getSpatialManager() const { return spatialManager_; }
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// 启用/禁用空间索引
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void setSpatialIndexingEnabled(bool enabled) { spatialIndexingEnabled_ = enabled; }
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bool isSpatialIndexingEnabled() const { return spatialIndexingEnabled_; }
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// 节点空间索引管理（内部使用）
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void updateNodeInSpatialIndex(Node* node, const Rect& oldBounds, const Rect& newBounds);
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void removeNodeFromSpatialIndex(Node* node);
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// 碰撞检测查询
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std::vector<Node*> queryNodesInArea(const Rect& area) const;
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std::vector<Node*> queryNodesAtPoint(const Vec2& point) const;
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std::vector<std::pair<Node*, Node*>> queryCollisions() const;
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// ------------------------------------------------------------------------
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// 静态创建方法
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// ------------------------------------------------------------------------
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static Ptr<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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Ptr<Camera> camera_;
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Ptr<Camera> defaultCamera_;
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bool paused_ = false;
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// 空间索引系统
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SpatialManager spatialManager_;
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bool spatialIndexingEnabled_ = true;
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};
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} // namespace easy2d
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