Animation示例，没完全实现的那种

[PoPCoRN-Jim]

//Animation模块，保存单个角色所有动画帧。路径+旋转+次序+png。
#include<graphics.h>
#include<conio.h>
#include
#include
#include
using namespace std;

#pragma comment(lib, "MSIMG32.LIB")
inline void putimage_alpha(int x, int y, IMAGE* img) //WinGDI方法实现png透明层显示，参阅WinGUI-AlphaBlend，色深要求32位
{
int width = img->getwidth();
int hight = img->getheight();

AlphaBlend(GetImageHDC(NULL), x, y, width, hight,
	GetImageHDC(img), 0, 0, width, hight, { AC_SRC_OVER, 0, 255, AC_SRC_ALPHA });

}

struct Point
{
int x, y, r;
};

class Animation //Animation类，保存一份帧动画
{
public:
Animation(wstring path, int frameNum, double fps=0.5, int r=0) //Animation构造，路径-帧总数-帧率-角度,需按数字顺序命名32位png图像
{
for (int frame = 0; frame < frameNum; frame++)
{
IMAGE* newFrame = new IMAGE(); //为单帧创建new IMAGE，使用后需要清理内存
wstring dirPath = path + to_wstring(r) + to_wstring(frame + 1) + L".png";
loadimage(newFrame,dirPath.c_str());
framePtr.push_back(newFrame);
}
this->frameNum = frameNum;
this->fps = fps;
}
~Animation()
{
for (int i = 0; i < framePtr.size(); i++)
{
delete framePtr[i];
}
}

void AnimFramePlay(int x, int y,int fNum)			//单帧播放，坐标-帧
{
	putimage_alpha(x, y, framePtr[fNum]);
	//putimage(800, y, framePtr[fNum]);
}

private:
vector<IMAGE*> framePtr; //vector存储单帧的IMAGE指针
int frameNum;
double fps;
};

class Animator //Animator类，存储单个角色所有动画
{
public:
Animator(wstring picPath) //为一个角色生成所有动画组合
{
for (int i=0; i<8; i++)
{
Animation* idle = new Animation(picPath,1,0.5,i);
Animation* atta = new Animation(picPath,3,0.5,i);
Idle.push_back(idle);
Attack.push_back(atta);
}
}
~Animator()
{
for (int i=0; i<8; i++)
{
delete Idle[i];
delete Attack[i];
}
}

void AnimPlay(int status, int x, int y, int r)
{
	switch (status)
	{
	case 0:
		Idle[r]->AnimFramePlay(x, y, 0);
		break;
	case 1:
		if (frameAttack<3)
			Attack[r]->AnimFramePlay(x, y, frameAttack++);
		if (frameAttack>=3)
		{
			status = 0;
			frameAttack = 0;
		}
		break;
	}
}

private:
vector<Animation*> Idle; //Anim数组保存Animation指针
vector<Animation*> Attack;
int frameAttack = 0;
};