diff options
Diffstat (limited to 'source/blender/editors/animation/keyframing.c')
| -rw-r--r-- | source/blender/editors/animation/keyframing.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/source/blender/editors/animation/keyframing.c b/source/blender/editors/animation/keyframing.c index 3e573d04d38..77dcc17c42a 100644 --- a/source/blender/editors/animation/keyframing.c +++ b/source/blender/editors/animation/keyframing.c @@ -2242,6 +2242,20 @@ bool fcurve_frame_has_keyframe(FCurve *fcu, float frame, short filter) return false; } +/* Returns whether the current value of a given property differs from the interpolated value. */ +bool fcurve_is_changed(PointerRNA ptr, PropertyRNA *prop, FCurve *fcu, float frame) +{ + PathResolvedRNA anim_rna; + anim_rna.ptr = ptr; + anim_rna.prop = prop; + anim_rna.prop_index = fcu->array_index; + + float fcurve_val = calculate_fcurve(&anim_rna, fcu, frame); + float cur_val = setting_get_rna_value(NULL, &ptr, prop, fcu->array_index, false); + + return !compare_ff_relative(fcurve_val, cur_val, FLT_EPSILON, 64); +} + /* Checks whether an Action has a keyframe for a given frame * Since we're only concerned whether a keyframe exists, we can simply loop until a match is found... */ |