Re: Problems with DInput

["Ben Humphrey" <benjina@mindspring.com>]

I don't know if this helps, but here is another way in windows to check for
the arrow keys, or
any other key for that matter:

if(GetKeyState(VK_LEFT) & 0x8000)       // Check for the LEFT ARROW


    // TURN LEFT
 }

That is what I use, instead of checking WM_KEYDOWN, though it works just as
good.
I should probably be setting flags in a array of 256, for each key down...
but.. I just never
did it.  I eventually will though.

GetKeyState() is a windows function, which not many people know of.  I
didn't :)

you just have to & it with 0x8000.

Ben Humphrey
Game Programmer
WebHost of www.GameTutorials.com
benh@humongous.com
benjina@mindspring.com

----- Original Message -----
From: Alan Teodoro <alanteodoro@hotmail.com>
To: <gameprogrammer@gameprogrammer.com>
Sent: Thursday, July 20, 2000 7:55 PM
Subject: Problems with DInput


> Hello everyone !!
>
> I created a function to read the keyboard buffer using :
> TKeyboard::CheckKey(void)
> {
>    .
>    .
>    hr = teclado->GetDeviceState( sizeof(buffer), &buffer );
>    .
>    .
>    KEY_LEFT = (buffer[DIK_LEFT] & 0x80);
>    .
> }
> winmain() // for example
> if (KEYLEFT)
>   // do something
>
> but when I check the state of the buffer instead of be '\0\0\0\0...\0'
> the buffers contains strange caracters and I don't have how check what key
> was pressed.
>
> If someone had the same problem or know how to solve this problem, please
> help me !!
>
> Thanks..
>
>
>
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