356 lines
8.4 KiB
C++
356 lines
8.4 KiB
C++
#pragma once
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#include <SDL.h>
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#include "EngineFrame/Attribute/Y_Transform.h"
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#include "EngineFrame/Attribute/Flag.h"
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#include "math/Math.h"
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#include "Tool/RefObject.h"
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#include "Tool/RefPtr.h"
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#include "Tool/IntrusiveList.hpp"
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class Node : public RefObject, protected IntrusiveListValue<RefPtr<Node>>
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{
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public:
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typedef std::function<void(float deltaTime)> UpdateCallback;
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typedef IntrusiveList<RefPtr<Node>> NodeList;
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using IntrusiveListValue<RefPtr<Node>>::GetNext;
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using IntrusiveListValue<RefPtr<Node>>::GetPrev;
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private:
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/**变换属性 */
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Y_Transform transform_;
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/**变换矩阵 */
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mutable Matrix3x2 transform_matrix_;
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mutable Matrix3x2 transform_matrix_inverse_;
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mutable Matrix3x2 transform_matrix_to_parent_;
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/**更新时的回调函数 */
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std::map<std::string, UpdateCallback> cb_update_;
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/**锚点 */
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glm::vec2 anchor_;
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/**Z轴显示层级 */
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int z_order_;
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/**大小 */
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VecSize size_;
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/**透明度 */
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float opacity_;
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/**是否可见 */
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bool visible_;
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/**是否暂停更新 */
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bool update_pausing_;
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/**是否显示边界 */
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bool show_border_;
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/**名称 */
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std::string name_;
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/**父对象 */
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Node *parent_;
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/**子对象链表 */
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NodeList children_;
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/**标志 */
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mutable Flag<uint8_t> dirty_flag_;
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public:
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virtual void Init();
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virtual void HandleEvents(SDL_Event *e);
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virtual void Update(float deltaTime);
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virtual void PreRender();
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virtual void Render();
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virtual void Clear();
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void UpdateSelf(float dt);
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public:
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/// \~chinese
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/// @brief 获取显示状态
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bool IsVisible() const;
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/// \~chinese
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/// @brief 获取 Z 轴顺序
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int GetZOrder() const;
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/// \~chinese
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/// @brief 获取坐标
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glm::vec2 GetPosition() const;
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/// \~chinese
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/// @brief 获取 x 坐标
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float GetPositionX() const;
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/// \~chinese
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/// @brief 获取 y 坐标
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float GetPositionY() const;
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/// \~chinese
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/// @brief 获取大小
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virtual VecSize GetSize() const;
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/// \~chinese
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/// @brief 获取宽度
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float GetWidth() const;
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/// \~chinese
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/// @brief 获取高度
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float GetHeight() const;
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/// \~chinese
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/// @brief 获取缩放后的宽度
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float GetScaledWidth() const;
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/// \~chinese
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/// @brief 获取缩放后的高度
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float GetScaledHeight() const;
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/// \~chinese
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/// @brief 获取缩放后的大小
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VecSize GetScaledSize() const;
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/// \~chinese
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/// @brief 获取锚点
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glm::vec2 GetAnchor() const;
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/// \~chinese
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/// @brief 获取 x 方向锚点
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float GetAnchorX() const;
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/// \~chinese
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/// @brief 获取 y 方向锚点
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float GetAnchorY() const;
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/// \~chinese
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/// @brief 获取透明度
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float GetOpacity() const;
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/// \~chinese
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/// @brief 获取旋转角度
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float GetRotation() const;
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/// \~chinese
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/// @brief 获取缩放比例
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glm::vec2 GetScale() const;
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/// \~chinese
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/// @brief 获取横向缩放比例
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float GetScaleX() const;
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/// \~chinese
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/// @brief 获取纵向缩放比例
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float GetScaleY() const;
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/// \~chinese
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/// @brief 获取错切角度
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glm::vec2 GetSkew() const;
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/// \~chinese
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/// @brief 获取横向错切角度
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float GetSkewX() const;
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/// \~chinese
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/// @brief 获取纵向错切角度
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float GetSkewY() const;
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/// \~chinese
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/// @brief 获取变换
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Y_Transform GetTransform() const;
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/// \~chinese
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/// @brief 获取父角色
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Node *GetParent() const;
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/// \~chinese
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/// @brief 设置角色是否可见
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void SetVisible(bool val);
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/// \~chinese
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/// @brief 设置名称
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void SetName(std::string name);
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/// \~chinese
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/// @brief 设置坐标
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void SetPosition(const glm::vec2 &pos);
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/// \~chinese
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/// @brief 设置坐标
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void SetPosition(float x, float y);
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/// \~chinese
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/// @brief 设置横坐标
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void SetPositionX(float x);
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/// \~chinese
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/// @brief 设置纵坐标
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void SetPositionY(float y);
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/// \~chinese
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/// @brief 移动至坐标
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void MoveTo(const glm::vec2 &p);
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/// \~chinese
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/// @brief 移动至坐标
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void MoveTo(float x, float y);
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/// \~chinese
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/// @brief 移动相对坐标
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void MoveBy(const glm::vec2 &trans);
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/// \~chinese
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/// @brief 移动相对坐标
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void MoveBy(float trans_x, float trans_y);
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/// \~chinese
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/// @brief 设置缩放比例，默认为 (1.0, 1.0)
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void SetScale(const glm::vec2 &scale);
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/// \~chinese
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/// @brief 设置缩放比例，默认为 (1.0, 1.0)
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void SetScale(float scalex, float scaley);
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/// \~chinese
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/// @brief 设置错切角度，默认为 (0, 0)
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void SetSkew(const glm::vec2 &skew);
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/// \~chinese
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/// @brief 设置错切角度，默认为 (0, 0)
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void SetSkew(float skewx, float skewy);
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/// \~chinese
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/// @brief 设置旋转角度，默认为 0
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void SetRotation(float rotation);
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/// \~chinese
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/// @brief 设置锚点位置，默认为 (0, 0), 范围 [0, 1]
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void SetAnchor(const glm::vec2 &anchor);
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/// \~chinese
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/// @brief 设置锚点位置，默认为 (0, 0), 范围 [0, 1]
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void SetAnchor(float anchorx, float anchory);
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/// \~chinese
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/// @brief 修改大小
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void SetSize(const VecSize &size);
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/// \~chinese
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/// @brief 修改大小
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void SetSize(float width, float height);
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/// \~chinese
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/// @brief 修改宽度
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void SetWidth(float width);
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/// \~chinese
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/// @brief 修改高度
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void SetHeight(float height);
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/// \~chinese
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/// @brief 设置透明度，默认为 1.0, 范围 [0, 1]
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void SetOpacity(float opacity);
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/// \~chinese
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/// @brief 设置二维仿射变换
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void SetTransform(const Y_Transform &transform);
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/// \~chinese
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/// @brief 设置 Z 轴顺序，默认为 0
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void SetZOrder(int zorder);
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/// \~chinese
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/// @brief 添加子角色
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void AddChild(RefPtr<Node> child);
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/// \~chinese
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/// @brief 获取全部子角色
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NodeList &GetAllChildren();
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/// \~chinese
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/// @brief 获取全部子角色
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const NodeList &GetAllChildren() const;
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/// \~chinese
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/// @brief 移除子角色
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void RemoveChild(RefPtr<Node> child);
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/// \~chinese
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/// @brief 移除所有节点
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void RemoveAllChildren();
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/// \~chinese
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/// @brief 从父角色移除
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void RemoveFromParent();
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/// \~chinese
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/// @brief 暂停角色更新
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void PauseUpdating();
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/// \~chinese
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/// @brief 继续角色更新
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void ResumeUpdating();
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/// \~chinese
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/// @brief 角色更新是否暂停
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bool IsUpdatePausing() const;
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/// \~chinese
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/// @brief 设置更新时的回调函数
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void SetCallbackOnUpdate(std::string Key, const UpdateCallback &cb);
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/// \~chinese
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/// @brief 移除更新时的回调函数
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void RemoveCallbackOnUpdate(std::string Key);
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/// \~chinese
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/// @brief 判断点是否在角色内
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virtual bool ContainsPoint(const glm::vec2 &point) const;
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/// \~chinese
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/// @brief 将世界坐标系点转换为局部坐标系点
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glm::vec2 ConvertToLocal(const glm::vec2 &point) const;
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/// \~chinese
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/// @brief 将局部坐标系点转换为世界坐标系点
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glm::vec2 ConvertToWorld(const glm::vec2 &point) const;
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/// \~chinese
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/// @brief 渲染角色边界
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void ShowBorder(bool show);
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public:
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Node(/* args */);
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~Node();
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/// \~chinese
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/// @brief 更新自己的二维变换，并通知所有子角色
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void UpdateTransform() const;
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/// \~chinese
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/// @brief 向上追溯更新
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/// @details 对于节点树 A->B(dirty)->C->D，当对 D 执行 UpdateTransformUpwards 时会对 B、C、D 从上到下依次更新
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void UpdateTransformUpwards() const;
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/// \~chinese
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/// @brief 获取二维变换矩阵
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const Matrix3x2 &GetTransformMatrix() const;
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/// \~chinese
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/// @brief 获取二维变换的逆矩阵
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const Matrix3x2 &GetTransformInverseMatrix() const;
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/// \~chinese
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/// @brief 获取变换到父角色的二维变换矩阵
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const Matrix3x2 &GetTransformMatrixToParent() const;
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/// \~chinese
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/// @brief 将所有子角色按Z轴顺序排序
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void Reorder();
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enum DirtyFlag : uint8_t
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{
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Clean = 0,
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DirtyTransform = 1,
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DirtyTransformInverse = 1 << 1,
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DirtyOpacity = 1 << 2,
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DirtyVisibility = 1 << 3
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};
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};
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