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Fixed various problems when drawing psprites in a camera texture

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- When the camera texture for a player view was rendered, its psprites
  would overwrite the ones stored for hardware acceleration.
  * Use a temporary vissprite in R_DrawPSprite() until it's known that it
    will be accelerated.
  * Do not write to any of the VisPSprites*[] arrays until it's known that
    the sprite will be accelerated.
This commit is contained in:
Randy Heit 2016-04-17 20:55:07 -05:00
parent bf629d2590
commit 66c4bc1fee
1 changed files with 9 additions and 11 deletions
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20
src/r_things.cpp
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@ -1294,7 +1294,7 @@ void R_DrawPSprite (pspdef_t* psp, int pspnum, AActor *owner, fixed_t sx, fixed_
WORD flip;
FTexture* tex;
vissprite_t* vis;
static vissprite_t avis[NUMPSPRITES];
static vissprite_t avis[NUMPSPRITES+1];
bool noaccel;
assert(pspnum >= 0 && pspnum < NUMPSPRITES);
@ -1325,7 +1325,6 @@ void R_DrawPSprite (pspdef_t* psp, int pspnum, AActor *owner, fixed_t sx, fixed_
tx -= tex->GetScaledLeftOffset() << FRACBITS;
x1 = (centerxfrac + FixedMul (tx, pspritexscale)) >>FRACBITS;
VisPSpritesX1[pspnum] = x1;
// off the right side
if (x1 > viewwidth)
@ -1339,14 +1338,12 @@ void R_DrawPSprite (pspdef_t* psp, int pspnum, AActor *owner, fixed_t sx, fixed_
return;
// store information in a vissprite
vis = &avis[pspnum];
vis = &avis[NUMPSPRITES];
vis->renderflags = owner->renderflags;
vis->floorclip = 0;
vis->texturemid = int(((BASEYCENTER<<FRACBITS) - sy) * tex->Scale.Y) + (tex->TopOffset << FRACBITS);
if (camera->player && (RenderTarget != screen ||
viewheight == RenderTarget->GetHeight() ||
(RenderTarget->GetWidth() > 320 && !st_scale)))
@ -1395,6 +1392,7 @@ void R_DrawPSprite (pspdef_t* psp, int pspnum, AActor *owner, fixed_t sx, fixed_
vis->startfrac += vis->xiscale*(vis->x1-x1);
noaccel = false;
FDynamicColormap *colormap_to_use = NULL;
if (pspnum <= ps_flash)
{
vis->Style.Alpha = float(owner->Alpha);
@ -1491,11 +1489,11 @@ void R_DrawPSprite (pspdef_t* psp, int pspnum, AActor *owner, fixed_t sx, fixed_
{
noaccel = true;
}
VisPSpritesBaseColormap[pspnum] = mybasecolormap;
colormap_to_use = mybasecolormap;
}
else
{
VisPSpritesBaseColormap[pspnum] = basecolormap;
colormap_to_use = basecolormap;
vis->Style.colormap = basecolormap->Maps;
vis->Style.RenderStyle = STYLE_Normal;
}
@ -1508,7 +1506,10 @@ void R_DrawPSprite (pspdef_t* psp, int pspnum, AActor *owner, fixed_t sx, fixed_
style.CheckFuzz();
if (style.BlendOp != STYLEOP_Fuzz)
{
VisPSprites[pspnum] = vis;
VisPSpritesX1[pspnum] = x1;
VisPSpritesBaseColormap[pspnum] = colormap_to_use;
VisPSprites[pspnum] = &avis[pspnum];
avis[pspnum] = *vis;
return;
}
}
@ -1685,9 +1686,6 @@ void R_DrawRemainingPlayerSprites()
}
}
//
// R_SortVisSprites
//