Fix: NLA, transition to Meta Strip uses wrong time

Copy correct time to temporary strips used for evaluation of NLA
Transition strips.

When a transition is placed next to a meta strip, the transition would
use the wrong strip time, using the time of the meta strip instead of
its own.

Reviewed by: sybren

Differential Revision: https://developer.blender.org/D8287

1 files changed, 2 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/anim_sys.c b/source/blender/blenkernel/intern/anim_sys.c
index 98c01351f32..a348d759e97 100644
--- a/source/blender/blenkernel/intern/anim_sys.c
+++ b/source/blender/blenkernel/intern/anim_sys.c
@@ -1921,6 +1921,7 @@ static void nlastrip_evaluate_transition(PointerRNA *ptr,
   /* first strip */
   tmp_nes.strip_mode = NES_TIME_TRANSITION_START;
   tmp_nes.strip = s1;
+  tmp_nes.strip_time = s1->strip_time;
   nlaeval_snapshot_init(&snapshot1, channels, snapshot);
   nlastrip_evaluate(
       ptr, channels, &tmp_modifiers, &tmp_nes, &snapshot1, anim_eval_context, flush_to_original);
@@ -1928,6 +1929,7 @@ static void nlastrip_evaluate_transition(PointerRNA *ptr,
   /* second strip */
   tmp_nes.strip_mode = NES_TIME_TRANSITION_END;
   tmp_nes.strip = s2;
+  tmp_nes.strip_time = s2->strip_time;
   nlaeval_snapshot_init(&snapshot2, channels, snapshot);
   nlastrip_evaluate(
       ptr, channels, &tmp_modifiers, &tmp_nes, &snapshot2, anim_eval_context, flush_to_original);