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Support q2 transparency properly.

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@137 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Spoike 2004-09-04 18:07:54 +00:00
parent d6484d39ec
commit a27cb81452
1 changed files with 8 additions and 7 deletions
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15
engine/gl/gl_rsurf.c
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@ -1570,7 +1570,7 @@ void R_RenderBrushPoly (msurface_t *fa)
if (fa->flags & SURF_DRAWTURB)
{ // warp texture, no lightmaps
EmitWaterPolys (fa);
EmitWaterPolys (fa, r_wateralphaval);
glDisable(GL_BLEND); //to ensure.
return;
}
@ -1754,7 +1754,7 @@ void GLR_DrawWaterSurfaces (void)
GL_Bind (t->gl_texturenum);
for ( ; s ; s=s->texturechain)
EmitWaterPolys (s);
EmitWaterPolys (s, r_wateralphaval);
t->texturechain = NULL;
}
@ -1788,7 +1788,7 @@ static void GLR_DrawAlphaSurface(msurface_t *s)
if (s->flags & SURF_DRAWTURB)
{
glColor4f (1,1,1,1);
EmitWaterPolys (s);
EmitWaterPolys (s, r_wateralphaval);
}
else
{
@ -1833,8 +1833,8 @@ static void GLR_DrawAlphaSurface(msurface_t *s)
return;
}
if (s->flags & SURF_DRAWTURB)
EmitWaterPolys (s);
if (s->flags & SURF_DRAWTURB || s->texinfo->flags & SURF_WARP)
EmitWaterPolys (s, r_wateralphaval);
// else if(s->texinfo->flags & SURF_FLOWING) // PGM 9/16/98
// DrawGLFlowingPoly (s); // PGM
else
@ -1857,11 +1857,12 @@ void GLR_DrawAlphaSurfaces (void)
glEnable(GL_ALPHA_TEST);
glDisable(GL_BLEND);
if (cl.worldmodel && cl.worldmodel->fromgame == fg_quake3)
if (cl.worldmodel && (cl.worldmodel->fromgame == fg_quake3|| cl.worldmodel->fromgame == fg_quake2))
{ //this is a mahoosive hack.
//we need to use different blending modes for lights and 'rugs'...
//we could do this by seeing if a texture includes alpha - rug, or if it's fully solid - light.
glBlendFunc (GL_ONE, GL_ONE_MINUS_SRC_COLOR);
if (cl.worldmodel->fromgame == fg_quake3)
glBlendFunc (GL_ONE, GL_ONE_MINUS_SRC_COLOR);
glDepthMask(0); //this makes no difference to the cheating.
glDisable(GL_ALPHA_TEST);