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Blendmode support for weather

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Sally Coolatta 2022-06-03 14:53:56 -04:00
parent f84baf47d5
commit 35cc746adf
1 changed files with 15 additions and 6 deletions
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21
src/r_things.c
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@ -2188,6 +2188,9 @@ static void R_ProjectPrecipitationSprite(precipmobj_t *thing)
//SoM: 3/17/2000
fixed_t gz, gzt;
UINT32 blendmode;
UINT32 trans;
// uncapped/interpolation
interpmobjstate_t interp = {0};
@ -2281,6 +2284,17 @@ static void R_ProjectPrecipitationSprite(precipmobj_t *thing)
goto weatherthink;
}
// Determine the blendmode and translucency value
{
blendmode = (thing->frame & FF_BLENDMASK) >> FF_BLENDSHIFT;
if (blendmode)
blendmode++; // realign to constants
trans = (thing->frame & FF_TRANSMASK) >> FF_TRANSSHIFT;
if (trans >= NUMTRANSMAPS)
goto weatherthink; // cap
}
// store information in a vissprite
vis = R_NewVisSprite();
vis->scale = vis->sortscale = yscale; //<<detailshift;
@ -2318,12 +2332,7 @@ static void R_ProjectPrecipitationSprite(precipmobj_t *thing)
// than lumpid for sprites-in-pwad : the graphics are patched
vis->patch = W_CachePatchNum(sprframe->lumppat[0], PU_SPRITE);
// specific translucency
// (no draw flags)
if (thing->frame & FF_TRANSMASK)
vis->transmap = ((thing->frame & FF_TRANSMASK) - FF_TRANS10) + transtables;
else
vis->transmap = NULL;
vis->transmap = R_GetBlendTable(blendmode, trans);
vis->mobj = (mobj_t *)thing;
vis->mobjflags = 0;