From df92dc8d9ea84a58f66ba1d6c187d6d4ebeecbc4 Mon Sep 17 00:00:00 2001 From: Monster Iestyn Date: Sat, 11 Jun 2016 16:14:08 +0100 Subject: [PATCH] Print debugging message if sector->linecount is zero --- src/p_setup.c | 25 ++++++++++++++++++------- 1 file changed, 18 insertions(+), 7 deletions(-) diff --git a/src/p_setup.c b/src/p_setup.c index b36bf0b80..0beb3be30 100644 --- a/src/p_setup.c +++ b/src/p_setup.c @@ -1931,10 +1931,18 @@ static void P_GroupLines(void) // allocate linebuffers for each sector for (i = 0, sector = sectors; i < numsectors; i++, sector++) { - sector->lines = Z_Calloc(sector->linecount * sizeof(line_t*), PU_LEVEL, NULL); + if (sector->linecount == 0) // no lines found? + { + sector->lines = NULL; + CONS_Debug(DBG_SETUP, "P_GroupLines: sector %d has no lines\n", i); + } + else + { + sector->lines = Z_Calloc(sector->linecount * sizeof(line_t*), PU_LEVEL, NULL); - // zero the count, since we'll later use this to track how many we've recorded - sector->linecount = 0; + // zero the count, since we'll later use this to track how many we've recorded + sector->linecount = 0; + } } // iterate through lines, assigning them to sectors' linebuffers, @@ -1952,11 +1960,14 @@ static void P_GroupLines(void) { M_ClearBox(bbox); - for (j = 0; j < sector->linecount; j++) + if (sector->linecount != 0) { - li = sector->lines[j]; - M_AddToBox(bbox, li->v1->x, li->v1->y); - M_AddToBox(bbox, li->v2->x, li->v2->y); + for (j = 0; j < sector->linecount; j++) + { + li = sector->lines[j]; + M_AddToBox(bbox, li->v1->x, li->v1->y); + M_AddToBox(bbox, li->v2->x, li->v2->y); + } } // set the degenmobj_t to the middle of the bounding box