|
//Check if any messages were received from the other player
|
|
hr = lpDirectPlay1->Receive(lpmsgFrom, lpmsgTo, DPRECEIVE_ALL, pMessage, &msgSize);
|
|
if(SUCCEEDED(hr)) //If yes, ...
|
|
{
|
|
// Update his coordinates
|
|
x1 = pMessage->x;
|
|
y1 = pMessage->y;
|
|
}
|
|
//Erase the back buffer to remove 'Hello World!' from previous position
|
|
DDBLTFX ddbltfx;
|
|
ddbltfx.dwSize = sizeof( ddbltfx );
|
|
ddbltfx.dwFillColor = PALETTEINDEX(0);
|
|
hr = lpBackBuffer->Blt( NULL,
|
|
NULL,
|
|
NULL,
|
|
DDBLT_COLORFILL | DDBLT_WAIT,
|
|
&ddbltfx);
|
|
if(lpBackBuffer->GetDC(&hdc) == DD_OK)
|
|
{
|
|
GetTextExtentPoint32(hdc, msg, strlen(msg), &size );
|
|
//Update my coordinates
|
|
if(strcmp(direction,"UP")==0) //If UP arrow was pressed
|
|
if(yɬ) y-=ychange;
|
|
if(strcmp(direction,"DOWN")==0) //If DOWN arrow was pressed
|
|
if((y+size.cy) < window_height) y+=ychange;
|
|
if(strcmp(direction,"LEFT")==0) //If LEFT arrow was pressed
|
|
if(xɬ) x-=xchange;
|
|
if(strcmp(direction,"RIGHT")==0) //If RIGHT arrow was pressed
|
|
if((x+size.cx) < window_width) x+=xchange;
|
|
Continued...
|
|
Fills the back buffer
|
|
with the color specified
|
|
in ddbltfx.dwFillColor
|
