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Fix floorsprite rendering with 1x1 images

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Lactozilla 2023-09-08 17:26:42 -03:00
parent 858f102ca4
commit 14eb589611
1 changed files with 47 additions and 9 deletions
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56
src/r_splats.c
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@ -314,7 +314,7 @@ static void R_RasterizeFloorSplat(floorsplat_t *pSplat, vector2_t *verts, visspr
fixed_t planeheight = 0;
fixed_t step;
int spanfunctype = SPANDRAWFUNC_SPRITE;
int spanfunctype;
prepare_rastertab();
@ -379,9 +379,12 @@ static void R_RasterizeFloorSplat(floorsplat_t *pSplat, vector2_t *verts, visspr
ds_source = (UINT8 *)pSplat->pic;
ds_flatwidth = pSplat->width;
ds_flatheight = pSplat->height;
ds_powersoftwo = false;
if (R_CheckPowersOfTwo())
ds_powersoftwo = ds_solidcolor = false;
if (R_CheckSolidColorFlat())
ds_solidcolor = true;
else if (R_CheckPowersOfTwo())
{
R_SetFlatVars(ds_flatwidth * ds_flatheight);
ds_powersoftwo = true;
@ -392,7 +395,6 @@ static void R_RasterizeFloorSplat(floorsplat_t *pSplat, vector2_t *verts, visspr
R_SetTiltedSpan(0);
R_SetScaledSlopePlane(pSplat->slope, vis->viewpoint.x, vis->viewpoint.y, vis->viewpoint.z, pSplat->xscale, pSplat->yscale, -pSplat->verts[0].x, pSplat->verts[0].y, vis->viewpoint.angle, pSplat->angle);
R_CalculateSlopeVectors();
spanfunctype = SPANDRAWFUNC_TILTEDSPRITE;
}
else
{
@ -429,19 +431,55 @@ static void R_RasterizeFloorSplat(floorsplat_t *pSplat, vector2_t *verts, visspr
ds_colormap = &vis->extra_colormap->colormap[ds_colormap - colormaps];
}
if (vis->transmap)
{
ds_transmap = vis->transmap;
ds_transmap = vis->transmap;
// Determine which R_DrawWhatever to use
// Solid color
if (ds_solidcolor)
{
UINT16 px = *(UINT16 *)ds_source;
// Uh, it's not visible.
if (!(px & 0xFF00))
return;
// Pixel color is contained in the lower 8 bits (upper 8 are the opacity), so advance the pointer
ds_source++;
if (pSplat->slope)
{
if (ds_transmap)
spanfunctype = SPANDRAWFUNC_TILTEDTRANSSOLID;
else
spanfunctype = SPANDRAWFUNC_TILTEDSOLID;
}
else
{
if (ds_transmap)
spanfunctype = SPANDRAWFUNC_TRANSSOLID;
else
spanfunctype = SPANDRAWFUNC_SOLID;
}
}
// Transparent
else if (ds_transmap)
{
if (pSplat->slope)
spanfunctype = SPANDRAWFUNC_TILTEDTRANSSPRITE;
else
spanfunctype = SPANDRAWFUNC_TRANSSPRITE;
}
// Opaque
else
ds_transmap = NULL;
{
if (pSplat->slope)
spanfunctype = SPANDRAWFUNC_TILTEDSPRITE;
else
spanfunctype = SPANDRAWFUNC_SPRITE;
}
if (ds_powersoftwo)
if (ds_powersoftwo || ds_solidcolor)
spanfunc = spanfuncs[spanfunctype];
else
spanfunc = spanfuncs_npo2[spanfunctype];