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Stop a game from pausing when not in focus

 
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SwaggaJackin'
Master Cheater
Reputation: 2

Joined: 06 Nov 2009
Posts: 304
PostPosted: Wed Jul 10, 2013 6:01 pm    Post subject: Stop a game from pausing when not in focus Reply with quote
I want to stop a game from pausing when it's not in focus. I've checked for calls for GetActiveWindow() and GetForegroundWindow() and removing these calls still causes the game to pause when not in focus.

Dark byte suggested that maybe it's using WM_ACTIVATE or WM_KILLFOCUS. I don't believe WM_ACTIVATE is being used because if I hit the show desktop key the game still pauses when it should technically still have focus...perhaps I'm incorrect.

Either way, my question is how can I check (and catch) if the program is waiting for a WM_ACTIVATE or WM_KILLFOCUS message?

Also, could there be any other 'general' methods the game could be using to detect it's not in focus?

Thanks.
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Gniarf
Grandmaster Cheater Supreme
Reputation: 43

Joined: 12 Mar 2012
Posts: 1285
PostPosted: Wed Jul 10, 2013 8:13 pm    Post subject: Re: Stop a game from pausing when not in focus Reply with quote
SwaggaJackin' wrote:
Either way, my question is how can I check (and catch) if the program is waiting for a WM_ACTIVATE or WM_KILLFOCUS message?
One method in ollydbg is to find all references to DefWindowProc(...), and look among the results for an enormous switch/case. In C you often do:
Code:
LRESULT WindowProc(   HWND hWnd,   UINT Msg,   WPARAM wParam, LPARAM lParam )
{
  switch(Msg)
  {
    case WM_KEYDOWN:
    ...
    break;
    case WM_ACTIVATE: //or whatever messages you need
    ...
    break;
    ...
    default:
    return DefWindowProc(Wnd,  Msg,  wParam,   lParam );
  }
}
If you do olly's analysis, it often displays which case corresponds to which message.
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