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Merge branch 'colormap-overhaul-change-ldef' into 'master' 

Linedef Exec 447: Change Colormap relative value calc

See merge request STJr/SRB2Internal!190
This commit is contained in:
Digiku 2018-09-18 10:49:54 -04:00
parent 843ed289a6 71df02c996
commit a32304c9d5
1 changed files with 50 additions and 1 deletions
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51
src/p_spec.c
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@ -3352,7 +3352,56 @@ static void P_ProcessLineSpecial(line_t *line, mobj_t *mo, sector_t *callsec)
// This could even override existing colormaps I believe
// -- Monster Iestyn 14/06/18
for (secnum = -1; (secnum = P_FindSectorFromLineTag(line, secnum)) >= 0 ;)
sectors[secnum].extra_colormap = sides[line->sidenum[0]].colormap_data;
{
if (line->flags & ML_EFFECT3) // relative calc
{
extracolormap_t *exc = R_AddColormaps(
(line->flags & ML_TFERLINE) && line->sidenum[1] != 0xFFFF ?
sides[line->sidenum[1]].colormap_data : sectors[secnum].extra_colormap, // use back colormap instead of target sector
sides[line->sidenum[0]].colormap_data,
line->flags & ML_EFFECT1, // subtract R
line->flags & ML_NOCLIMB, // subtract G
line->flags & ML_EFFECT2, // subtract B
false, // subtract A (no flag for this, just pass negative alpha)
line->flags & ML_EFFECT1, // subtract FadeR
line->flags & ML_NOCLIMB, // subtract FadeG
line->flags & ML_EFFECT2, // subtract FadeB
false, // subtract FadeA (no flag for this, just pass negative alpha)
false, // subtract FadeStart (we ran out of flags)
false, // subtract FadeEnd (we ran out of flags)
false, // ignore Fog (we ran out of flags)
line->flags & ML_DONTPEGBOTTOM,
(line->flags & ML_DONTPEGBOTTOM) ? (sides[line->sidenum[0]].textureoffset >> FRACBITS) : 0,
(line->flags & ML_DONTPEGBOTTOM) ? (sides[line->sidenum[0]].rowoffset >> FRACBITS) : 0,
false);
if (!(sectors[secnum].extra_colormap = R_GetColormapFromList(exc)))
{
exc->colormap = R_CreateLightTable(exc);
R_AddColormapToList(exc);
sectors[secnum].extra_colormap = exc;
}
else
Z_Free(exc);
}
else if (line->flags & ML_DONTPEGBOTTOM) // alternate alpha (by texture offsets)
{
extracolormap_t *exc = R_CopyColormap(sides[line->sidenum[0]].colormap_data, false);
exc->rgba = R_GetRgbaRGB(exc->rgba) + R_PutRgbaA(max(min(sides[line->sidenum[0]].textureoffset >> FRACBITS, 25), 0));
exc->fadergba = R_GetRgbaRGB(exc->fadergba) + R_PutRgbaA(max(min(sides[line->sidenum[0]].rowoffset >> FRACBITS, 25), 0));
if (!(sectors[secnum].extra_colormap = R_GetColormapFromList(exc)))
{
exc->colormap = R_CreateLightTable(exc);
R_AddColormapToList(exc);
sectors[secnum].extra_colormap = exc;
}
else
Z_Free(exc);
}
else
sectors[secnum].extra_colormap = sides[line->sidenum[0]].colormap_data;
}
break;
case 448: // Change skybox viewpoint/centerpoint