From 7bfce1d1763f49719d8b4183aa5f710b16cbf348 Mon Sep 17 00:00:00 2001 From: ZZYZX <jewalky@gmail.com> Date: Thu, 8 Oct 2015 21:16:30 +0300 Subject: [PATCH] Fixed crash in R_ClipSpriteColumnWithPortals if seg->curline is null --- src/r_things.cpp | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/r_things.cpp b/src/r_things.cpp index d5c0489b3..cbcfbc295 100644 --- a/src/r_things.cpp +++ b/src/r_things.cpp @@ -331,6 +331,10 @@ bool R_ClipSpriteColumnWithPortals (fixed_t x, fixed_t y, vissprite_t* spr) if (seg->CurrentPortalUniq != CurrentPortalUniq) continue; + // I don't know what makes this happen (some old top-down portal code or possibly skybox code? something adds null lines...) + // crashes at the first frame of the first map of Action2.wad + if (!seg->curline) continue; + line_t* line = seg->curline->linedef; // divline? wtf, anyway, divlines aren't supposed to be drawn. But I definitely saw NULL linedefs in drawsegs. if (!line) continue;