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Noticed some sorting issues, so introduced the sortscale struct variable. (SORRY, NO FLAG YET)

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This commit is contained in:
toasterbabe 2016-08-18 15:45:44 +01:00
parent ce8ae48222
commit 430d7cfbd2
2 changed files with 17 additions and 13 deletions
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28
src/r_things.c
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@ -1027,7 +1027,7 @@ static void R_SplitSprite(vissprite_t *sprite, mobj_t *thing)
if (testheight <= sprite->gz)
return;
cutfrac = (INT16)((centeryfrac - FixedMul(testheight - viewz, sprite->scale))>>FRACBITS);
cutfrac = (INT16)((centeryfrac - FixedMul(testheight - viewz, sprite->sortscale))>>FRACBITS);
if (cutfrac < 0)
continue;
if (cutfrac > viewheight)
@ -1100,7 +1100,7 @@ static void R_ProjectSprite(mobj_t *thing)
fixed_t tr_x, tr_y;
fixed_t gxt, gyt;
fixed_t tx, tz;
fixed_t xscale, yscale; //added : 02-02-98 : aaargll..if I were a math-guy!!!
fixed_t xscale, yscale, sortscale; //added : 02-02-98 : aaargll..if I were a math-guy!!!
INT32 x1, x2;
@ -1152,7 +1152,7 @@ static void R_ProjectSprite(mobj_t *thing)
// aspect ratio stuff
xscale = FixedDiv(projection, tz);
yscale = FixedDiv(projectiony, tz);
sortscale = FixedDiv(projectiony, tz);
// decide which patch to use for sprite relative to player
#ifdef RANGECHECK
@ -1294,7 +1294,10 @@ static void R_ProjectSprite(mobj_t *thing)
scalestep = (yscale2 - yscale)/range;
}
else
{
yscale = sortscale;
scalestep = 0;
}
xscale = FixedMul(xscale, ang_scale);
@ -1379,6 +1382,7 @@ static void R_ProjectSprite(mobj_t *thing)
vis->heightsec = heightsec; //SoM: 3/17/2000
vis->mobjflags = thing->flags;
vis->scale = yscale; //<<detailshift;
vis->sortscale = sortscale;
vis->dispoffset = thing->info->dispoffset; // Monster Iestyn: 23/11/15
vis->gx = thing->x;
vis->gy = thing->y;
@ -1778,14 +1782,14 @@ void R_SortVisSprites(void)
bestscale = bestdispoffset = INT32_MAX;
for (ds = unsorted.next; ds != &unsorted; ds = ds->next)
{
if (ds->scale < bestscale)
if (ds->sortscale < bestscale)
{
bestscale = ds->scale;
bestscale = ds->sortscale;
bestdispoffset = ds->dispoffset;
best = ds;
}
// order visprites of same scale by dispoffset, smallest first
else if (ds->scale == bestscale && ds->dispoffset < bestdispoffset)
else if (ds->sortscale == bestscale && ds->dispoffset < bestdispoffset)
{
bestdispoffset = ds->dispoffset;
best = ds;
@ -2039,8 +2043,8 @@ static void R_CreateDrawNodes(void)
if (r2->sprite->szt > rover->sz || r2->sprite->sz < rover->szt)
continue;
if (r2->sprite->scale > rover->scale
|| (r2->sprite->scale == rover->scale && r2->sprite->dispoffset > rover->dispoffset))
if (r2->sprite->sortscale > rover->scale
|| (r2->sprite->sortscale == rover->scale && r2->sprite->dispoffset > rover->dispoffset))
{
entry = R_CreateDrawNode(NULL);
(entry->prev = r2->prev)->next = entry;
@ -2193,8 +2197,8 @@ void R_ClipSprites(void)
scale = ds->scale2;
}
if (scale < spr->scale ||
(lowscale < spr->scale &&
if (scale < spr->sortscale ||
(lowscale < spr->sortscale &&
!R_PointOnSegSide (spr->gx, spr->gy, ds->curline)))
{
// masked mid texture?
@ -2245,7 +2249,7 @@ void R_ClipSprites(void)
fixed_t mh, h;
INT32 phs = viewplayer->mo->subsector->sector->heightsec;
if ((mh = sectors[spr->heightsec].floorheight) > spr->gz &&
(h = centeryfrac - FixedMul(mh -= viewz, spr->scale)) >= 0 &&
(h = centeryfrac - FixedMul(mh -= viewz, spr->sortscale)) >= 0 &&
(h >>= FRACBITS) < viewheight)
{
if (mh <= 0 || (phs != -1 && viewz > sectors[phs].floorheight))
@ -2263,7 +2267,7 @@ void R_ClipSprites(void)
}
if ((mh = sectors[spr->heightsec].ceilingheight) < spr->gzt &&
(h = centeryfrac - FixedMul(mh-viewz, spr->scale)) >= 0 &&
(h = centeryfrac - FixedMul(mh-viewz, spr->sortscale)) >= 0 &&
(h >>= FRACBITS) < viewheight)
{
if (phs != -1 && viewz >= sectors[phs].ceilingheight)

2
src/r_things.h
View file

@ -135,7 +135,7 @@ typedef struct vissprite_s
fixed_t pz, pzt; // physical bottom/top for sorting with 3D floors
fixed_t startfrac; // horizontal position of x1
fixed_t scale;
fixed_t scale, sortscale; // sortscale only differs from scale for flat sprites
fixed_t scalestep; // only for flat sprites, 0 otherwise
fixed_t xiscale; // negative if flipped