| 1 |
//Check if any messages were received from the other player
|
| 2 |
hr = lpDirectPlay1->Receive(lpmsgFrom, lpmsgTo, DPRECEIVE_ALL, pMessage, &msgSize);
|
| 3 |
if(SUCCEEDED(hr)) //If yes, ...
|
| 4 |
{
|
| 5 |
// Update his coordinates
|
| 6 |
x1 = pMessage->x;
|
| 7 |
y1 = pMessage->y;
|
| 8 |
}
|
| 9 |
//Erase the back buffer to remove 'Hello World!' from previous position
|
| 10 |
DDBLTFX ddbltfx;
|
| 11 |
ddbltfx.dwSize = sizeof( ddbltfx );
|
| 12 |
ddbltfx.dwFillColor = PALETTEINDEX(0);
|
| 13 |
hr = lpBackBuffer->Blt( NULL,
|
| 14 |
NULL,
|
| 15 |
NULL,
|
| 16 |
DDBLT_COLORFILL | DDBLT_WAIT,
|
| 17 |
&ddbltfx);
|
| 18 |
if(lpBackBuffer->GetDC(&hdc) == DD_OK)
|
| 19 |
{
|
| 20 |
GetTextExtentPoint32(hdc, msg, strlen(msg), &size );
|
| 21 |
//Update my coordinates
|
| 22 |
if(strcmp(direction,"UP")==0) //If UP arrow was pressed
|
| 23 |
if(yɬ) y-=ychange;
|
| 24 |
if(strcmp(direction,"DOWN")==0) //If DOWN arrow was pressed
|
| 25 |
if((y+size.cy) < window_height) y+=ychange;
|
| 26 |
if(strcmp(direction,"LEFT")==0) //If LEFT arrow was pressed
|
| 27 |
if(xɬ) x-=xchange;
|
| 28 |
if(strcmp(direction,"RIGHT")==0) //If RIGHT arrow was pressed
|
| 29 |
if((x+size.cx) < window_width) x+=xchange;
|
| 30 |
Continued...
|
| 31 |
Fills the back buffer
|
| 32 |
with the color specified
|
| 33 |
in ddbltfx.dwFillColor
|
