From df92dc8d9ea84a58f66ba1d6c187d6d4ebeecbc4 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
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 b36bf0b809..0beb3be302 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
--
GitLab