screen.cpp

俄罗斯方块,适于sdk初学者参考学习

#include "stdafx.h"
#include "screen.h"

screen::screen(int x,int y,int width,int height,int scalewidth,int scaleheight,HWND hwnd,HDC memdc,int backcolor)
{
   m_hwnd=hwnd;
   m_memdc=memdc;
   m_draw=new draw(hwnd,memdc);
   m_left=x;
   m_top=y;
   m_width=width;
   m_height=height;
   
   m_scalewidth=scalewidth;
   m_scaleheight=scaleheight;
   
   m_unitwidth=width/scalewidth;
   m_unitheight=height/scaleheight;
   m_backcolor=backcolor;
   m_draw->drawrectangle(x,y,x+width,y+height,backcolor,backcolor); 
   
}

screen::~screen()
{
    delete m_draw;
}

void screen::clear()
{
   m_draw->drawrectangle(m_left,m_top,m_left+m_width,m_top+m_height,m_backcolor,m_backcolor);
}

void screen::refresh(const map & themap,int top,int bottom)
{
  int i,k;
  
  for(i=0;i<bottom-top+1;i++)
  {
     for(k=0;k<themap.width();k++)
	 {
	   if(themap.mapinfo(k,bottom-i)==MAP_SOLID)
	   {   
		drawdiamondoperate(k,bottom-i,FREEZE_COLOR);
	   }
	   else
	   {
	     drawdiamondoperate(k,bottom-i,m_backcolor);
	   }
	 }
  }
}

int screen::drawdiamond(const diamond &thediamond)
{
  int i,x,y,color;
  
  color=thediamond.diamondcolor(); 
  for(i=0;i<thediamond.subdiamondval();i++)
  {
	  thediamond.diamondinfo(i,x,y); 
      drawdiamondoperate(x,y,color);
  }
	
  return 0;
}

int screen::drawfreezediamond(const diamond &thediamond)
{
	int i,x,y,color;
  
  color=FREEZE_COLOR; 
  for(i=0;i<thediamond.subdiamondval();i++)
  {
	  thediamond.diamondinfo(i,x,y); 
      drawdiamondoperate(x,y,color);
  }
  return 0;
}

int screen::cleardiamond(const diamond &thediamond)
{
    int i,x,y,color;
  
  color=m_backcolor; 
  for(i=0;i<thediamond.subdiamondval();i++)
  {
	  thediamond.diamondinfo(i,x,y); 
      drawdiamondoperate(x,y,color);	
  }
	return 0;
}

void screen::drawdiamondoperate(int x,int y,int color)
{
	
	x=m_left+x*m_unitwidth;
	y=m_top+y*m_unitheight;
	m_draw->drawrectangle(x,y,x+m_unitwidth,y+m_unitwidth,m_backcolor,color);
}