123 lines
2.4 KiB
C
123 lines
2.4 KiB
C
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#pragma once
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#include <scene/node.h>
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#include <types/ptr/intrusive_ptr.h>
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#include <string>
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#include <vector>
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namespace extra2d {
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// 前向声明
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class CameraComponent;
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/**
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* @brief 场景类
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*
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* 场景是游戏内容的容器，管理所有根节点和相机
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*/
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class Scene : public RefCounted {
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public:
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/**
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* @brief 构造函数
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*/
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Scene();
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/**
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* @brief 析构函数
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*/
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~Scene() override;
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// 禁止拷贝
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Scene(const Scene&) = delete;
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Scene& operator=(const Scene&) = delete;
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// ========================================
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// 节点管理
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// ========================================
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/**
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* @brief 添加子节点
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* @param node 节点
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*/
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void addChild(Ptr<Node> node);
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/**
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* @brief 移除子节点
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* @param node 节点
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*/
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void removeChild(Node* node);
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/**
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* @brief 移除所有子节点
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*/
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void removeAllChildren();
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/**
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* @brief 获取所有子节点
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* @return 子节点列表
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*/
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const std::vector<Ptr<Node>>& getChildren() const { return rootNodes_; }
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/**
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* @brief 根据名称查找节点
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* @param name 节点名称
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* @return 节点指针，未找到返回 nullptr
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*/
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Node* findNode(const std::string& name);
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/**
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* @brief 根据标签查找节点
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* @param tag 节点标签
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* @return 节点指针，未找到返回 nullptr
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*/
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Node* findNodeByTag(int32 tag);
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// ========================================
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// 相机管理
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// ========================================
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/**
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* @brief 设置主相机
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* @param camera 相机组件
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*/
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void setMainCamera(CameraComponent* camera);
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/**
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* @brief 获取主相机
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* @return 相机组件指针
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*/
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CameraComponent* getMainCamera() const { return mainCamera_; }
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// ========================================
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// 生命周期
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// ========================================
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/**
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* @brief 场景进入时调用
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*/
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virtual void onEnter();
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/**
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* @brief 场景退出时调用
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*/
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virtual void onExit();
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/**
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* @brief 每帧更新
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* @param dt 帧间隔时间
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*/
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virtual void update(float dt);
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/**
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* @brief 渲染场景
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*/
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virtual void render();
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protected:
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std::vector<Ptr<Node>> rootNodes_;
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CameraComponent* mainCamera_ = nullptr;
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bool entered_ = false;
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};
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} // namespace extra2d
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