新建 文本文档.txt

打飞机的游戏

void TitleDisplay(void)    //显示序
{
	HRESULT		ddrval;
	
	//计算图象卷轴的坐标数据
	RECT backR1, frontR1, backR2, frontR2,backR3,frontR3;
	static int n=0;
	static int x1=0,x2=0,x3=0;
	if(x1==310&&bSoundDrive)
	{
		cDSound.Play(false,1);
	}
	if(x1<420||x2<640)
	{
		x1+=1;
		if (x1>420) x1=420;
		if(x1<200)
		{
			SetRect(&backR1,0,0,x1,480);
			SetRect(&frontR1,640-x1,0,640,480);
		}
		else
		{
			SetRect(&backR1,0,0,200,480);
			SetRect(&frontR1,640-x1,0,840-x1,480);
		}
		if(x1>100)
		{
			x2+=2;
		}
		if(x2>640)x2=640;
		if(x2<220)
		{
			SetRect(&backR2,0,0,x2,480);
			SetRect(&frontR2,640-x2,0,640,480);
			SetRect(&backR3,220-x2,0,220,480);
			SetRect(&frontR3,0,0,x2,480);
		}
		else
		{
			SetRect(&backR2,0,0,220,480);
			SetRect(&frontR2,640-x2,0,860-x2,480);
			SetRect(&backR3,0,0,220,480);
			SetRect(&frontR3,x2-220,0,x2,480);
		}
		//清屏后台缓冲区
		DDBLTFX	ddBltFx;
		ddBltFx.dwSize = sizeof(DDBLTFX);
		ddBltFx.dwFillColor = DDColorMatch(lpDDSBack, RGB(0,0,0));
		lpDDSBack->Blt(NULL, NULL, NULL, DDBLT_WAIT | DDBLT_COLORFILL, &ddBltFx);
		
		//将背景图象Blit到后台缓冲区
		lpDDSBack->Blt(&frontR1, lpDDSPic6, &backR1, DDBLT_WAIT, NULL);

		//将前景图象透明Blit到后台缓冲区
		lpDDSBack->Blt(&frontR2, lpDDSPic4, &backR2,DDBLT_WAIT|DDBLT_KEYSRC,NULL);
		lpDDSBack->Blt(&frontR3, lpDDSPic5, &backR3,DDBLT_WAIT|DDBLT_KEYSRC,NULL);
	}
	else ///移动开始
	{
		//清屏后台缓冲区
		DDBLTFX	ddBltFx;
		ddBltFx.dwSize = sizeof(DDBLTFX);
		ddBltFx.dwFillColor = DDColorMatch(lpDDSBack, RGB(0,0,0));
		lpDDSBack->Blt(NULL, NULL, NULL, DDBLT_WAIT | DDBLT_COLORFILL, &ddBltFx);
	
		SetRect(&frontR1,0,0,640,480);
		SetRect(&backR1,0,0,640,480);
		lpDDSBack->Blt(&frontR1, lpDDSPic1, &backR1, DDBLT_WAIT|DDBLT_KEYSRC, NULL);
		x3+=1;
		if(x3<540)
		{
			SetRect(&backR1,540-x3,0,540,100);
			SetRect(&frontR1,0,380,x3,480);
			
		}
		else
		{
			if(x3<640)
			{
				SetRect(&backR1,0,0,540,100);
				SetRect(&frontR1,x3-540,380,x3,480);
				SetRect(&backR2,1080-x3,100,540,200);
				SetRect(&frontR2,0,380,x3-540,480);
				lpDDSBack->Blt(&frontR2, lpDDSPic8, &backR2,DDBLT_WAIT|DDBLT_KEYSRC,NULL);
			}
			if(x3>=640&&x3<1080)
			{
				SetRect(&backR1,0,0,540-(x3-640),100);
				SetRect(&frontR1,100+x3-640,380,640,480);
				SetRect(&backR2,1080-x3,100,540,200);
				SetRect(&frontR2,0,380,x3-540,480);
				lpDDSBack->Blt(&frontR2, lpDDSPic8, &backR2,DDBLT_WAIT|DDBLT_KEYSRC,NULL);
			}
			if(x3>=1080&&x3<1180)
			{
				SetRect(&backR1,0,0,540-(x3-640),100);
				SetRect(&frontR1,100+x3-640,380,640,480);
				SetRect(&backR2,0,100,540,200);
				SetRect(&frontR2,x3-1080,380,x3-540,480);
				lpDDSBack->Blt(&frontR2, lpDDSPic8, &backR2,DDBLT_WAIT|DDBLT_KEYSRC,NULL);
				SetRect(&backR2,540-(x3-1080),0,540,100);
				SetRect(&frontR2,0,380,x3-1080,480);
				lpDDSBack->Blt(&frontR2, lpDDSPic8, &backR2,DDBLT_WAIT|DDBLT_KEYSRC,NULL);
			}
			if(x3>=1180&&x3<1620)
			{
				SetRect(&backR1,540-(x3-1080),0,540,100);
				SetRect(&frontR1,0,380,x3-1080,480);
				SetRect(&backR2,0,100,540-(x3-1180),200);
				SetRect(&frontR2,x3-1080,380,640,480);
				lpDDSBack->Blt(&frontR2, lpDDSPic8, &backR2,DDBLT_WAIT|DDBLT_KEYSRC,NULL);
			}
			if(x3>=1620&&x3<1720)
			{
				SetRect(&backR1,0,100,540-(x3-1180),200);
				SetRect(&frontR1,100+x3-1180,380,640,480);
				SetRect(&backR2,0,0,540,100);
				SetRect(&frontR2,x3-1620,380,x3-1080,480);
				lpDDSBack->Blt(&frontR2, lpDDSPic8, &backR2,DDBLT_WAIT|DDBLT_KEYSRC,NULL);
				SetRect(&backR2,540-(x3-1620),100,540,200);
				SetRect(&frontR2,0,380,x3-1620,480);
				lpDDSBack->Blt(&frontR2, lpDDSPic8, &backR2,DDBLT_WAIT|DDBLT_KEYSRC,NULL);
				if(x3>=1719)x3=640;
			}
		}
		lpDDSBack->Blt(&frontR1, lpDDSPic8, &backR1,DDBLT_WAIT|DDBLT_KEYSRC,NULL);
	}
	//打印刷新率fps
	HDC hdc;
	char temp[32];
	lpDDSBack->GetDC(&hdc);
		SetBkMode(hdc, TRANSPARENT);
		SetTextColor(hdc, RGB(0,255,0)); 
		sprintf(temp, "%d 帧/秒", iFps);
		TextOut(hdc, 0, 0, temp, strlen(temp));
	lpDDSBack->ReleaseDC(hdc);

    // 换页
    while( 1 )
    {
        ddrval = lpDDSPrimary->Flip( NULL, DDFLIP_WAIT );//调用换页函数
        if( ddrval == DD_OK )//成功则退出while循环
            break;
        if( ddrval == DDERR_SURFACELOST )//如果页面丢失，则恢复页面
		{
			if(!InitThread())break; //重新提取背景
			ddrval = lpDDSPrimary->Restore(); //恢复主页面
			if(ddrval!=DD_OK)
				break;
			ddrval=lpDDSPic1->Restore(); //恢复离屏页面1
			if(ddrval!=DD_OK)
				break;
			ddrval=lpDDSPic4->Restore(); //恢复离屏页面4
			if(ddrval!=DD_OK)
				break;
			ddrval=lpDDSPic5->Restore(); //恢复离屏页面5
			if(ddrval!=DD_OK)
				break;
			ddrval=lpDDSPic6->Restore(); //恢复离屏页面6
			if(ddrval!=DD_OK)
				break;
			ddrval=lpDDSPic8->Restore(); //恢复离屏页面8
			if(ddrval!=DD_OK)
				break;
		}
        if( ddrval != DDERR_WASSTILLDRAWING)
			break;
	}
}