From c2971eea8434f6487ffa6e77d604c775a97b13ef Mon Sep 17 00:00:00 2001 From: Philipp Oeser Date: Thu, 25 Nov 2021 13:45:32 +0100 Subject: Fix T93338: Curve Guide force field crash Caused by {rBcf2baa585cc8}. For Curve Guide force fields to work, the `Path Animation` option has to be enabled. With it disabled, we are lacking the necessary `anim_path_accum_length` data initialized [done by `BKE_anim_path_calc_data`] which `BKE_where_on_path` relies on since above commit. Now just check for this before using it - and return early otherwise. Prior to said commit, `BKE_where_on_path` would equally return early with a similar message, so that is expected behavior here. Maniphest Tasks: T93338 Differential Revision: https://developer.blender.org/D13371 --- source/blender/blenkernel/intern/anim_path.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'source/blender/blenkernel') diff --git a/source/blender/blenkernel/intern/anim_path.c b/source/blender/blenkernel/intern/anim_path.c index af2b386a30a..3edfdaf7ffa 100644 --- a/source/blender/blenkernel/intern/anim_path.c +++ b/source/blender/blenkernel/intern/anim_path.c @@ -254,6 +254,10 @@ bool BKE_where_on_path(const Object *ob, CLOG_WARN(&LOG, "No curve cache!"); return false; } + if (ob->runtime.curve_cache->anim_path_accum_length == NULL) { + CLOG_WARN(&LOG, "No anim path!"); + return false; + } /* We only use the first curve. */ BevList *bl = ob->runtime.curve_cache->bev.first; if (bl == NULL || !bl->nr) { -- cgit v1.2.3