From 4fb0956d56ab50241b39e140665150dba9414398 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Gabriel=20P=C3=A9rez-Cerezo?= Date: Sun, 21 Oct 2018 16:21:51 +0200 Subject: Various sanity checks against nil These checks have been accumulated over time on linuxworks. They seem to be necessary, minetest kept crashing when they were removed. --- advtrains/path.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'advtrains/path.lua') diff --git a/advtrains/path.lua b/advtrains/path.lua index 506f27f..4955854 100644 --- a/advtrains/path.lua +++ b/advtrains/path.lua @@ -18,7 +18,7 @@ function advtrains.conway(midreal, prev, drives_on)--in order prev,mid,return local nconnid = advtrains.get_matching_conn(pconnid, #midconns) local next, next_connid, _, nextrailheight = advtrains.get_adjacent_rail(mid, midconns, nconnid, drives_on) - if not next then + if not next or not midconns or not midconns[nconnid] then return nil end return vector.add(advtrains.round_vector_floor_y(next), {x=0, y=nextrailheight, z=0}), midconns[nconnid].c -- cgit v1.2.3