AlliedModders - View Single Post - [TUT] Bits, Bit-fields, and Bit-wise Operators

happy_2012 · 08-25-2018 , 03:31 Re: [TUT] Bits, Bit-fields, and Bit-wise Operators

Quote:

Originally Posted by Bugsy

PHP Code:


			
BitCount( iVal )

{

    iVal = iVal - ((iVal >> 1) & 0x55555555);                    

    iVal = (iVal & 0x33333333) + ((iVal >> 2) & 0x33333333);     

    return ((iVal + (iVal >> 4) & 0xF0F0F0F) * 0x1010101) >> 24; 

}

This page has a lot of interesting bit hacks.

Does this count players with multiple bitsums at the same time?

e.g. BitCount( bitsum_is_zombie | bitsum_is_alive )