Bone isn't affected by influence keyframe if the action is shared (*). #46344

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Mario Mey · 2015-10-01T22:44:48+02:00

Mario Mey commented

2015-10-01 22:44:48 +02:00

(*) The complete tittle would be: "Bone isn't affected by influence keyframe if the same action is shared with another armature with bones with different names".

80-influence-not-respected.blend

Open the file.
Move in timeline and see what the bone (armature "B") does with its constraint.
Select armature "C".
Move across the timeline in DopeSheet: bone of armature "B" isn't affected by influence keyframe

The channel of the armature "C" gets red underlined. So, the Action is affected of this "red-underlineness"... so, armature "B" is affected too.

I know that this is a kinky bug... it is not normal/suggested to use the same action in different armatures with different bones. I discovered this bug by doing that, by mistake.

Maybe it is not usefull to put time on fixing it, because it is not a normal configuration. You guys decide.

(*) The complete tittle would be: "Bone isn't affected by influence keyframe if the same action is shared with another armature with bones with different names". [80-influence-not-respected.blend](https://archive.blender.org/developer/F241520/80-influence-not-respected.blend) - Open the file. - Move in timeline and see what the bone (armature "B") does with its constraint. - Select armature "C". - Move across the timeline in DopeSheet: **bone of armature "B" isn't affected by influence keyframe** The channel of the armature "C" gets red underlined. So, the Action is affected of this "red-underlineness"... so, armature "B" is affected too. I know that this is a kinky bug... it is not normal/suggested to use the same action in different armatures with different bones. I discovered this bug by doing that, by mistake. Maybe it is not usefull to put time on fixing it, because it is not a normal configuration. You guys decide.

Mario Mey commented

2015-10-01 22:44:48 +02:00

Changed status to: 'Open'

Mario Mey commented

2015-10-01 22:44:48 +02:00

Added subscriber: @MarioSottile

Aaron Carlisle commented

2015-10-02 00:45:09 +02:00

Added subscriber: @Blendify

Bastien Montagne commented

2015-10-02 12:17:18 +02:00

Added subscribers: @JoshuaLeung, @mont29

Bastien Montagne commented

2015-10-02 12:17:18 +02:00

Have to summon @JoshuaLeung here… Do we consider this as known limitation of current system, or is it really a bug? That 'fighting' between valid/invalid state in shared actions if not that nice, gives a bit non-predictable results.

Sergey Sharybin commented

2016-07-28 16:28:58 +02:00

Added subscriber: @Sergey

Sergey Sharybin commented

2016-07-28 16:28:58 +02:00

This isn't really a solvable problem within the current design. Considering it a TODO for 2.8.

Philipp Oeser removed the

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Bone isn't affected by influence keyframe if the action is shared (*). #46344