Shadows of a transparent thing

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From: Sylvain Faisan (sylvain.faisan++at++imag.fr)
Date: 04/26/2001 04:33:44

Hi,

I' m loading a texture which can be transparent and i'm blending it with

the background of the scene.
Here is some part of the code :

chan->setTravMode(PFTRAV_CULL , PFCULL_VIEW | PFCULL_SORT) ;
chan->setBinSort(PFSORT_TRANSP_BIN, PFSORT_BACK_TO_FRONT, NULL) ;
chan->setBinSort(PFSORT_OPAQUE_BIN, PFSORT_BACK_TO_FRONT, NULL) ;

gstateTexture->setMode(PFSTATE_TRANSPARENCY,
PFTR_BLEND_ALPHA|PFTR_NO_OCCLUDE);

The PFTR_NO_OCCLUDE enables not to write in the Z-buffer. And the
program
is working.
The problem is that I want to see the shadow of the texture.
If i comment PFTR_NO_OCCLUDE, the shadows are working but not the
blending.
If i don't comment PFTR_NO_OCCLUDE, the shadows are not working but the
blending
is working.
Can we use PFTR_BLEND_ALPHA without PFTR_NO_OCCLUDE ?
If anyone has an idea, i will be very happy.

Thanks by advance

Faisan Sylvain

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