You should click off the loop checkbox for jump start and jump end to prevent them from looping. Anyways, maybe you should consider adapting to the montage jump approach which has far better results!!
So why switch to a montage instead of the state manager? Well because you have more control, you can have a multitude of jump types and jump attack types and you can forget having to use the time remaining ratio node.\
So basically what is happening is you have your jump up animation that triggers either a jump command on the player or switches the mode to flying to allow z translations to occur on root motion animations. This jump animation should feed directly into the jump fall animation. As soon as you reach this point of the jump you can turn on gravity. By playing the anim montage on the character instead of the animation blueprint the animation montage will blend correctly between different animation types. If played inside the animation blueprint your animation montage sections will switch instantly … just a note.
Here is what happens when a jump is initialized. It’ll determine if we can jump and call the animation to play… that’s it.
The actual start of translation upwards should be specifically placed on your animation instead of using time remaining ratio. This is done with a branching point on the animation montage which you can see above labeled ‘Flying’. Not sure if they fixed this bug yet but you have to restart UE4 after creating your branching points in order for them to show up. So, your branching points are accessible in the animation blueprint, but you need to use the montage play function within the character blueprint in order to utilize smooth transitions.
Well these easy to setup branching points are all you need in order to send a message to your character object that you want to do something.
Here from the character class we will handle either a root motion jump or standard jump command on the character.
This jump falling animation will loop continuously until you tell the montage to jump to a new section. This is triggered from the tick() function which will check if the character is grounded and if so, then jump to the new montage section.
Now, this is only an option as you may prefer to use the state manager. And you may find a way to fix the issue with the blending, it’s going to take some time customizing and then you’re going to have to do it again and again to get each jump animation looking good on each character and then your previous jump settings are going to be all screwed up. So anyways you get the idea.