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Improve checks for papersprites

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Lactozilla 2023-09-03 18:59:39 -03:00
parent 58bd31fdca
commit d777b62e1b
1 changed files with 50 additions and 18 deletions
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68
src/r_things.c
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@ -888,7 +888,7 @@ static void R_DrawVisSprite(vissprite_t *vis)
frac = vis->startfrac;
windowtop = windowbottom = sprbotscreen = INT32_MAX;
if (!(vis->cut & SC_PRECIP) && vis->mobj->skin && ((skin_t *)vis->mobj->skin)->flags & SF_HIRES)
if (vis->cut & SC_SHADOW && vis->mobj->skin && ((skin_t *)vis->mobj->skin)->flags & SF_HIRES)
this_scale = FixedMul(this_scale, ((skin_t *)vis->mobj->skin)->highresscale);
if (this_scale <= 0)
this_scale = 1;
@ -898,10 +898,10 @@ static void R_DrawVisSprite(vissprite_t *vis)
{
vis->scale = FixedMul(vis->scale, this_scale);
vis->scalestep = FixedMul(vis->scalestep, this_scale);
vis->xiscale = FixedDiv(vis->xiscale,this_scale);
vis->xiscale = FixedDiv(vis->xiscale, this_scale);
vis->cut |= SC_ISSCALED;
}
dc_texturemid = FixedDiv(dc_texturemid,this_scale);
dc_texturemid = FixedDiv(dc_texturemid, this_scale);
}
spryscale = vis->scale;
@ -1759,9 +1759,6 @@ static void R_ProjectSprite(mobj_t *thing)
I_Assert(lump < max_spritelumps);
if (thing->skin && ((skin_t *)thing->skin)->flags & SF_HIRES)
this_scale = FixedMul(this_scale, ((skin_t *)thing->skin)->highresscale);
spr_width = spritecachedinfo[lump].width;
spr_height = spritecachedinfo[lump].height;
spr_offset = spritecachedinfo[lump].offset;
@ -1811,6 +1808,14 @@ static void R_ProjectSprite(mobj_t *thing)
// calculate edges of the shape
spritexscale = interp.spritexscale;
spriteyscale = interp.spriteyscale;
if (thing->skin && ((skin_t *)thing->skin)->flags & SF_HIRES)
{
fixed_t highresscale = ((skin_t *)thing->skin)->highresscale;
spritexscale = FixedMul(spritexscale, highresscale);
spriteyscale = FixedMul(spriteyscale, highresscale);
}
if (spritexscale < 1 || spriteyscale < 1)
return;
@ -3183,6 +3188,40 @@ static void R_HeightSecClip(vissprite_t *spr, INT32 x1, INT32 x2)
}
}
static boolean R_CheckSpriteVisible(vissprite_t *spr, INT32 x1, INT32 x2)
{
INT16 sz = spr->sz;
INT16 szt = spr->szt;
fixed_t texturemid, yscale, scalestep = spr->scalestep;
if (scalestep)
{
yscale = spr->scale;
scalestep = FixedMul(scalestep, spr->spriteyscale);
if (spr->thingscale != FRACUNIT)
texturemid = FixedDiv(spr->texturemid, max(spr->thingscale, 1));
else
texturemid = spr->texturemid;
}
for (INT32 x = x1; x <= x2; x++)
{
if (scalestep)
{
szt = (INT16)((centeryfrac - FixedMul(texturemid, yscale))>>FRACBITS);
sz = (INT16)((centeryfrac - FixedMul(texturemid, yscale))>>FRACBITS);
yscale += scalestep;
}
if (spr->cliptop[x] < spr->clipbot[x] && sz > spr->cliptop[x] && szt < spr->clipbot[x])
return true;
}
return false;
}
// R_ClipVisSprite
// Clips vissprites without drawing, so that portals can work. -Red
static void R_ClipVisSprite(vissprite_t *spr, INT32 x1, INT32 x2, portal_t* portal)
@ -3356,17 +3395,8 @@ static void R_ClipVisSprite(vissprite_t *spr, INT32 x1, INT32 x2, portal_t* port
// Not done for floorsprites.
if (cv_spriteclip.value && (spr->cut & SC_SPLAT) == 0)
{
for (x = x1; x <= x2; x++)
{
if (spr->cliptop[x] < spr->clipbot[x]
&& spr->sz > spr->cliptop[x]
&& spr->szt < spr->clipbot[x])
{
return;
}
}
spr->cut |= SC_NOTVISIBLE;
if (!R_CheckSpriteVisible(spr, x1, x2))
spr->cut |= SC_NOTVISIBLE;
}
}
@ -3436,7 +3466,9 @@ void R_ClipSprites(drawseg_t* dsstart, portal_t* portal)
{
vissprite_t *spr = R_GetVisSprite(clippedvissprites);
if (spr->szt > vid.height || spr->sz < 0)
if (cv_spriteclip.value
&& (spr->szt > vid.height || spr->sz < 0)
&& !((spr->cut & SC_SPLAT) || spr->scalestep))
{
spr->cut |= SC_NOTVISIBLE;
continue;