thirdpartymirrors/RingRacers
1
0
Fork 0
mirror of https://github.com/KartKrewDev/RingRacers.git synced 2025-10-30 08:01:28 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix linedef alpha in Software

Browse source
This commit is contained in:
Sally Coolatta 2023-03-18 07:01:31 -04:00
parent c7fa8fc2bc
commit d83832f6e0
1 changed files with 19 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

32
src/r_segs.c
View file

@ -132,14 +132,18 @@ static void R_Render2sidedMultiPatchColumn(column_t *column, column_t *brightmap
transnum_t R_GetLinedefTransTable(fixed_t alpha) transnum_t R_GetLinedefTransTable(fixed_t alpha)
{ {
transnum_t transnum = NUMTRANSMAPS; // Send back NUMTRANSMAPS for none if (alpha >= FRACUNIT)
if (alpha > 0 && alpha < FRACUNIT)
{ {
transnum = (20*(FRACUNIT - alpha - 1) + FRACUNIT) >> (FRACBITS+1); return 0;
}
else if (alpha <= 0)
{
return NUMTRANSMAPS;
}
else
{
return (20*(FRACUNIT - alpha - 1) + FRACUNIT) >> (FRACBITS+1);
} }
return transnum;
} }
void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2) void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
@ -172,16 +176,18 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
windowbottom = windowtop = sprbotscreen = INT32_MAX; windowbottom = windowtop = sprbotscreen = INT32_MAX;
ldef = curline->linedef; ldef = curline->linedef;
if (!ldef->alpha)
return;
transtable = R_GetLinedefTransTable(ldef->alpha); transtable = R_GetLinedefTransTable(ldef->alpha);
blendmode = ldef->blendmode; if (transtable == NUMTRANSMAPS)
if (transtable == NUMTRANSMAPS
|| blendmode == AST_MODULATE
|| blendmode == AST_FOG)
{ {
// Invisible, so don't render
return;
}
blendmode = ldef->blendmode;
if (blendmode == AST_MODULATE || blendmode == AST_FOG)
{
// These blend modes don't use translucency
transtable = 0; transtable = 0;
} }