#include "StdAfx.h"
#include "Character.h"
CCharacter::CCharacter(void)
{
}
CCharacter::~CCharacter(void)
{
}
//初始化人物
bool CCharacter::InitCharacter()
{
 int i;
 CString path;
 //初始化每一帧
 for(i=0; i<this->MAXFRAME; i++)
 {
 //一个小技巧——获取人物每一帧png的路径
 path.Format(L"res\\%d.png", i+1);
 this->m_imgCharacter[i].Load(path);
 //如果加载失败
 if(this->m_imgCharacter[i].IsNull())
 {
  return false;
 }
 }
 //初始化人物大小
 int w = m_imgCharacter[0].GetWidth();
 int h = m_imgCharacter[0].GetHeight();
 this->m_sCharacter.SetSize(w, h);
 //初始化人物位置
 this->m_leftTop.SetPoint(0,
 VIEWHEIGHT - h - ELEVATION);
 //初始化为第1帧
 this->m_curFrame = 0;
 return true;
}
//向前移动(如果移动到了客户区中间, 不继续移动了)
void CCharacter::MoveFront()
{
 int border = (VIEWWIDTH - m_sCharacter.cx) / 2;
 if(this->m_leftTop.x <= border)
 {
 this->m_leftTop.x += 4;
 }
}
//下一帧
void CCharacter::NextFrame()
{
 // 本可以直接使用求余运算, 但是%求余运算速
 // 度及效率不好, 所以使用简单的判断操作代替
 //进入下一帧
 this->m_curFrame++;
 if(this->m_curFrame == this->MAXFRAME)
 this->m_curFrame = 0;
}
//绘制人物
void CCharacter::StickCharacter(CDC& bufferDC)
{
 int i = this->m_curFrame;
 //透明贴图
 this->m_imgCharacter[i].TransparentBlt(bufferDC,
 this->m_leftTop.x, this->m_leftTop.y,
 this->m_sCharacter.cx, this->m_sCharacter.cy,
 RGB(0, 0, 0));
}
//释放内存资源
void CCharacter::ReleaseCharacter()
{
 for(int i=0; i<this->MAXFRAME; i++)
 this->m_imgCharacter[i].Destroy();
}

#pragma once
#include<atlimage.h>
//地面高度
#define ELEVATION 42
class CCharacter
{
//静态常成员变量
private:
 //最大帧数:16
 static const int MAXFRAME = 16;
 //视口客户区宽度
 static const int VIEWWIDTH = 790;
 //视口客户区高度
 static const int VIEWHEIGHT = 568;
//成员变量
private:
 CImage m_imgCharacter[MAXFRAME];//人物
 CSize m_sCharacter;//人物大小
 CPoint m_leftTop;//人物的位置(左上角点)
 int m_curFrame;//人物的当前帧
//成员函数
public:
 //初始化人物
 bool InitCharacter();
 //向前移动
 void MoveFront();
 //下一帧
 void NextFrame();
 //绘制人物(注：这里bufferDC是引用参数)
 void StickCharacter(CDC& bufferDC);
 //释放内存资源
 void ReleaseCharacter();
//构造与析构
public:
 CCharacter(void);
 ~CCharacter(void);
};