canvasframe.cpp

《Visual C++游戏设计入门》配套代码

// canvasFrame.cpp : implementation file
//

#include "stdafx.h"
#include "canvasr.h"
#include "canvasFrame.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// canvasFrame

IMPLEMENT_DYNCREATE(canvasFrame, CFrameWnd)
int xnow,ynow,xmon=300,ymon=150,xlast,ylast,xp,xm,numm,nump,d,i;
canvasFrame::canvasFrame()
{
	Create(NULL,"绘图窗口");
	CClientDC dc(this);
	int width = dc.GetDeviceCaps(HORZRES);
	int height = dc.GetDeviceCaps(VERTRES);
	GetWindowRect( &rect );
	width = ( width - ( rect.right - rect.left ))/2 ;
	height = (height - (rect.bottom - rect.top ))/2 ;
	MoveWindow( width , height , (rect.right - rect.left ) , (rect.bottom - rect.top ) ,true);
	mdc = new CDC;
	mdc1 = new CDC;
	mdc->CreateCompatibleDC(&dc);
	mdc1->CreateCompatibleDC(&dc);
	tempbmp = new CBitmap;
	bgbmp = new CBitmap;
	tempbmp->CreateCompatibleBitmap(&dc,rect.right,rect.bottom);
	char str[7];
	for(i=0;i<4;i++)              
	{
		sprintf(str,"pm%d.bmp",i);
		pm[i] = new CBitmap;
		pm[i]->m_hObject = (HBITMAP)::LoadImage(NULL,str,IMAGE_BITMAP,440,74,LR_LOADFROMFILE);
		sprintf(str,"p%d.bmp",i);
		p[i] = new CBitmap;
		p[i]->m_hObject = (HBITMAP)::LoadImage(NULL,str,IMAGE_BITMAP,440,74,LR_LOADFROMFILE);
		mm[i] = new CBitmap;
		m[i] = new CBitmap;	
	}
	m[0]->m_hObject = (HBITMAP)::LoadImage(NULL,"m0.bmp",IMAGE_BITMAP,528,94,LR_LOADFROMFILE);		
	m[1]->m_hObject = (HBITMAP)::LoadImage(NULL,"m1.bmp",IMAGE_BITMAP,544,82,LR_LOADFROMFILE);		
	m[2]->m_hObject = (HBITMAP)::LoadImage(NULL,"m2.bmp",IMAGE_BITMAP,760,99,LR_LOADFROMFILE);		
	m[3]->m_hObject = (HBITMAP)::LoadImage(NULL,"m3.bmp",IMAGE_BITMAP,760,99,LR_LOADFROMFILE);		
	mm[0]->m_hObject = (HBITMAP)::LoadImage(NULL,"mm0.bmp",IMAGE_BITMAP,528,94,LR_LOADFROMFILE);		
	mm[1]->m_hObject = (HBITMAP)::LoadImage(NULL,"mm1.bmp",IMAGE_BITMAP,544,82,LR_LOADFROMFILE);		
	mm[2]->m_hObject = (HBITMAP)::LoadImage(NULL,"mm2.bmp",IMAGE_BITMAP,760,99,LR_LOADFROMFILE);		
	mm[3]->m_hObject = (HBITMAP)::LoadImage(NULL,"mm3.bmp",IMAGE_BITMAP,760,99,LR_LOADFROMFILE);		
	bgbmp->m_hObject = (HBITMAP)::LoadImage(NULL,"bground.bmp",IMAGE_BITMAP,rect.right,rect.bottom,LR_LOADFROMFILE);
	mdc->SelectObject(tempbmp);
	CPoint *p = new CPoint(0,0);
	ClientToScreen(p);
	::SetCursorPos(p->x,p->y);
	ShowCursor(false);
	delete p;
}

canvasFrame::~canvasFrame()
{
	delete mdc;                 //释放资源
	delete mdc1;
	for(i=0;i<=3;i++)
	{
		delete p[i]; //释放资源
		delete pm[i]; //释放资源
		delete m[i];
		delete mm[i];
	}
	delete tempbmp;
	delete bgbmp;
}


BEGIN_MESSAGE_MAP(canvasFrame, CFrameWnd)
	//{{AFX_MSG_MAP(canvasFrame)
	ON_WM_MOUSEMOVE()
	ON_WM_CHAR()
	ON_WM_TIMER()
	ON_WM_CREATE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// canvasFrame message handlers


void canvasFrame::OnMouseMove(UINT nFlags, CPoint point) 
{
	CClientDC dc(this);
	xlast = xnow;     
	ylast = ynow;     
	xnow = point.x;    
	ynow = point.y;  
	nump++;
		if(nump==8)
			nump=0;
	xp=55*nump;
	mdc1->SelectObject(bgbmp);
	mdc->BitBlt(0,0,rect.right,rect.bottom,mdc1,0,0,SRCCOPY);
	if(fabs(xnow-xlast) >= fabs(ynow-ylast))
	{
		if(xnow-xlast>=0)           //人物往右移动
		{
  			mdc1->SelectObject(pm[3]); 
			mdc->BitBlt(point.x,point.y,55,74,mdc1,xp,0,SRCAND);
			mdc1->SelectObject(p[3]);
			mdc->BitBlt(point.x,point.y,55,74,mdc1,xp,0,SRCPAINT);
			d = 3;
		}
		else                       //人物往左移动                    
		{
			mdc1->SelectObject(pm[2]);
			mdc->BitBlt(point.x,point.y,55,74,mdc1,xp,0,SRCAND);
			mdc1->SelectObject(p[2]);
			mdc->BitBlt(point.x,point.y,55,74,mdc1,xp,0,SRCPAINT);
			d = 2;
		}
	}
	else
	{
		if(ynow-ylast >= 0)         //人物往下移动   
		{
            mdc1->SelectObject(pm[1]);
			mdc->BitBlt(point.x,point.y,55,74,mdc1,xp,0,SRCAND);
			mdc1->SelectObject(p[1]);
			mdc->BitBlt(point.x,point.y,55,74,mdc1,xp,0,SRCPAINT);
			d = 1;
		}
		else                        //人物往下移动
		{
			mdc1->SelectObject(pm[0]);			
			mdc->BitBlt(point.x,point.y,55,74,mdc1,xp,0,SRCAND);
			mdc1->SelectObject(p[0]);
			mdc->BitBlt(point.x,point.y,55,74,mdc1,xp,0,SRCPAINT);
			d = 0;
		}
	}
	if(fabs(xmon-xnow) >= fabs(ymon-ynow))
	{
		if(xmon-xnow>=0)            //人物在恐龙左方
		{
  			mdc1->SelectObject(mm[2]);  
			mdc->BitBlt(xmon,ymon,95,99,mdc1,0,0,SRCAND);
  			mdc1->SelectObject(m[2]);  
			mdc->BitBlt(xmon,ymon,95,99,mdc1,0,0,SRCPAINT);
		}
		else                        //人物在恐龙右方
		{
			mdc1->SelectObject(mm[3]);
			mdc->BitBlt(xmon,ymon,95,99,mdc1,0,0,SRCAND);
			mdc1->SelectObject(m[3]);
			mdc->BitBlt(xmon,ymon,95,99,mdc1,0,0,SRCPAINT);
		}
	}
	else
	{
		if(ymon-ynow >= 0)          //人物在恐龙上方
		{
            mdc1->SelectObject(mm[0]);
			mdc->BitBlt(xmon,ymon,66,94,mdc1,0,0,SRCAND);
            mdc1->SelectObject(m[0]);
			mdc->BitBlt(xmon,ymon,66,94,mdc1,0,0,SRCPAINT);
		}
		else                        //人物在恐龙下方
		{
			mdc1->SelectObject(mm[1]);			
			mdc->BitBlt(xmon,ymon,66,82,mdc1,0,0,SRCAND);
			mdc1->SelectObject(m[1]);			
			mdc->BitBlt(xmon,ymon,66,82,mdc1,0,0,SRCPAINT);
		}
	}
	dc.BitBlt(0,0,rect.right,rect.bottom,mdc,0,0,SRCCOPY);
	CFrameWnd::OnMouseMove(nFlags, point);
}

void canvasFrame::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default
	if( nChar== VK_ESCAPE)     
		PostMessage(WM_CLOSE );  //传送WM_CLOSE信息
	CFrameWnd::OnChar(nChar, nRepCnt, nFlags);
}

void canvasFrame::OnTimer(UINT nIDEvent) 
{
	CClientDC dc(this);
	mdc1->SelectObject(bgbmp);
	mdc->BitBlt(0,0,rect.right,rect.bottom,mdc1,0,0,SRCCOPY);
	mdc1->SelectObject(pm[d]);
	mdc->BitBlt(xnow,ynow,55,74,mdc1,0,0,SRCAND);
	mdc1->SelectObject(p[d]);
	mdc->BitBlt(xnow,ynow,55,74,mdc1,0,0,SRCPAINT);
	numm++;
	if(numm==8)
		numm=0;
	if(fabs(xmon-xnow) >= fabs(ymon-ynow))
	{
		if(xmon-xnow>=0)              //往左移动
		{
			xm=95*numm;
			xmon-=20;
  			mdc1->SelectObject(mm[2]);  
			mdc->BitBlt(xmon,ymon,95,99,mdc1,xm,0,SRCAND);
  			mdc1->SelectObject(m[2]);  
			mdc->BitBlt(xmon,ymon,95,99,mdc1,xm,0,SRCPAINT);

		}
		else                         //往右移动
		{
			xm=95*numm;
			xmon+=20;
			mdc1->SelectObject(mm[3]);
			mdc->BitBlt(xmon,ymon,95,99,mdc1,xm,0,SRCAND);
			mdc1->SelectObject(m[3]);
			mdc->BitBlt(xmon,ymon,95,99,mdc1,xm,0,SRCPAINT);
		}
	}
	else
	{
		if(ymon-ynow >= 0)           //往上移动
		{
			xm=66*numm;
			ymon-=20;
            mdc1->SelectObject(mm[0]);
			mdc->BitBlt(xmon,ymon,66,94,mdc1,xm,0,SRCAND);
            mdc1->SelectObject(m[0]);
			mdc->BitBlt(xmon,ymon,66,94,mdc1,xm,0,SRCPAINT);
		}
		else                         //往下移动
		{
			xm=68*numm;
			ymon+=20;
			mdc1->SelectObject(mm[1]);			
			mdc->BitBlt(xmon,ymon,68,82,mdc1,xm,0,SRCAND);
			mdc1->SelectObject(m[1]);
			mdc->BitBlt(xmon,ymon,68,82,mdc1,xm,0,SRCPAINT);
		}
	}
	dc.BitBlt(0,0,rect.right,rect.bottom,mdc,0,0,SRCCOPY);
	CFrameWnd::OnTimer(nIDEvent);
}

int canvasFrame::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	SetTimer(1,100,NULL);
	// TODO: Add your specialized creation code here
	
	return 0;
}