[crossfire] Partial transparency

[Alex Schultz]

Andrew Fuchs wrote:

>Just want to note that one trick used by mikeeusa and inycino on cat2
>(mikeeusa was letting players customize their gfx if they reached a
>certian level), was to use a checkerboard pattren of
>transparent/nontransparent pixels, to achive a ghostly effect.
>
On high resolution displays this effect can even fool one into thinking 
it's partial transparency if they're not looking rather closely. Also, 
quickly noting, mikee and inycino are not the first to do this, some 
existing crossfire monsters already do this ;-)

Alex Schultz