82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
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#pragma once
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#include "struct.h"
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class Object {
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public:
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static std::map<std::string, Data*> dataMap; // 存放所有物体对应的信息
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Object(std::string name, POINT pos, Data* data = nullptr): name(name), coord(pos), data(data), show(true), eId(0), AA(1) {}
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// 清除缓存数据和附加信息
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~Object();
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virtual void draw(POINT origin) = 0; // 绘图
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// 从 dataMap 返回数据
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double getSingle(std::string str) { return dataMap[name]->singles[str]; }
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POINT getPoint(std::string str) { return dataMap[name]->points[str]; }
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std::string getDetail(std::string str) { return dataMap[name]->details[str]; }
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// 绑定事件
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void bindEvent(int eventId) { eId = eventId; }
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POINT getPos() const { return coord; } // 位置
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RECT getRect(); // 所在矩形，考虑修正 fix
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std::string getName() const { return name; }
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Data* getData() const { return data; }
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bool ifShow() const { return show; }
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void setShow(bool s) { show = s; }
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double getAA() { return AA; }
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static void readData(LPCSTR name); // 获取初始化信息
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static void deleteData(); // 清除相关信息
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protected:
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// 物体不需要 id ， id 通过 Map 中的映射隐式地使用
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std::string name; // 用于标记物体类型
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POINT coord;
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Data* data; // 可能携带的附加信息，例如返回值，文本等
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bool show; // 是否显示
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int eId; // 绑定的事件 id ，每次只能绑定一个
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double AA; // 透明度
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};
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// 碰撞检测
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namespace Collision {
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inline bool checkIn(POINT p, RECT r) {
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if((p.x > r.left) && (p.x < r.right) && (p.y > r.top) && (p.y < r.bottom)) {
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return true;
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}
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return false;
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}
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inline bool checkCollision(RECT r1, RECT r2) {
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// r1 中心位置
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POINT size = {r1.right - r1.left, r1.bottom - r1.top};
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POINT c = {(r1.right + r1.left) / 2, (r1.top + r1.bottom) / 2};
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RECT r = {r2.left - size.x / 2, r2.top - size.y / 2, r2.right + size.x / 2, r2.bottom + size.y / 2};
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if(checkIn(c, r)) {
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return true;
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}
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return false;
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}
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inline bool checkCollision(Object* obj1, Object* obj2) {
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RECT r1 = obj1->getRect(), r2 = obj2->getRect();
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return checkCollision(r1, r2);
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}
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inline std::vector<int> checkCollision(Object* obj, std::vector<Object*>& l) {
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std::vector<int> v;
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int index = 0;
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for(auto it = l.begin(); it != l.end(); ++it) {
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if(checkCollision(obj, *it)) {
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v.push_back(index);
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}
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index++;
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}
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return v;
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}
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}; // namespace Collision
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