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omni

Thu Jun 10, 2004 7:58 pm


Turings input.keydown

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Alright, I've gotten used to Turing's syntax a lot. It seems to me that in C++ in order to use functions, you have to include libraries. Maybe I'm blind, but I can't find the parameters needed for other functions. 

Anyways

Currently, the only command I know that can receive input is cin . 
But that command waits, is there a command that will recieve input, but also continue on with the loop. EX; Turings Input.KeyDown.


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McKenzie

Thu Jun 10, 2004 8:22 pm



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Assuming you are developing in a Windows environment you keep track of the status of all of the keys yourself (array of bool). Windows will generate a message for both keydown and keyup and tell you which key. In the DOS environment it is similar but you have to use some assembly to get it to work (well at least with the last DOS compiler I used)


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omni

Thu Jun 10, 2004 8:50 pm



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ok, I understood part of what you said, I want to run in a Windows environment. So:

char key[256] // or was it 255 keys?

for (x=0,x =255,x++)
key[x]= ????

Is there an ord( function in C++?


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Catalyst

Thu Jun 10, 2004 9:36 pm



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this would be ur message handler


LRESULT CALLBACK WndProc (HWND hWnd, UINT message,WPARAM wParam, LPARAM lParam)
{
    switch (message)
    {
    case WM_KEYDOWN:       
        keys[wParam] = true;                                   
        return 0;    
        
    case WM_KEYUP:       
        keys[wParam] = false;                                   
        return 0;                          
    default:
        return DefWindowProc (hWnd, message, wParam, lParam);
    }
}  


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wtd

Fri Jun 11, 2004 12:47 am



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There's no need for things like "ord" in C++.  Characters are integers.  Just really small integers.  Feel free to cats from char to int.

char ch = 'A';
int i = static_cast(ch);