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ZDoom wasn't setting drawseg_t::curline when making "fake" drawseg for skyboxes, which interfered with portal sprite clipping routine randomly.

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ZZYZX 2015-11-12 01:17:03 +02:00
parent e669e3cd08
commit 75d21d6dd8
2 changed files with 2 additions and 4 deletions
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1
src/r_plane.cpp
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@ -1294,6 +1294,7 @@ void R_DrawSkyBoxes ()
ds_p->sprtopclip = R_NewOpening (pl->maxx - pl->minx + 1);
ds_p->maskedtexturecol = ds_p->swall = -1;
ds_p->bFogBoundary = false;
ds_p->curline = NULL;
memcpy (openings + ds_p->sprbottomclip, floorclip + pl->minx, (pl->maxx - pl->minx + 1)*sizeof(short));
memcpy (openings + ds_p->sprtopclip, ceilingclip + pl->minx, (pl->maxx - pl->minx + 1)*sizeof(short));

5
src/r_things.cpp
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@ -322,11 +322,8 @@ nextpost:
//
bool R_ClipSpriteColumnWithPortals (fixed_t x, fixed_t y, vissprite_t* spr)
{
size_t numdrawsegs = ds_p-firstdrawseg;
for (int i = (int)numdrawsegs-1; i >= 0; i--)
for (drawseg_t* seg = ds_p; seg-- > firstdrawseg; ) // copied code from killough below
{
drawseg_t* seg = &firstdrawseg[i];
// ignore segs from other portals
if (seg->CurrentPortalUniq != CurrentPortalUniq)
continue;