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Question by homer_3 · May 10, 2017 at 11:30 PM · c#animationanimationstate

Query animator current transitions?

Is there a way to query an animator for the transitions that the current animation is linked to? I want to make sure that if I set a trigger on an animation, that the current state can actually use that trigger. If none of the transitions available to the current animation state can use the trigger, I don't want to bother setting it.

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Answer by SomeGuy22 · May 11, 2017 at 02:39 AM

Well you can get the current clip by using Animator.GetCurrentClipInfo(). This returns a Type AnimatorClipInfo which has some data about the current animation state. Querying the transitions of an Animator is a little difficult, however... In looking it up I found that there may be an internal class called StateMachine which can help with some trickery.

You may want to look into Playables. It's been a while but I believe you have more control over them through code, and the key feature is compatibility with mecanim.

Worst case scenario you could always store some variables in your script that keeps track of which clips (based on name or ID or something) can use the trigger. You'd have to manually keep track of this in the script which can get annoying, but if you're out of options you can certainly try. All you would need to do is then query the current clip, and if it matches to a variable, then you have the information you need.

If you are setting some parameters for the animator, you could try adjusting the system so that the parameters always reflect unique states in your animator. For instance, a "state" integer could be the transition parameter that you simply set instead of any timed events combinations of conditions. Then your script can just read the state. This is all theoretical and it's hard to say the best solution without the details. Good luck!

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