what runtime?
It should look something like:
setAnimation(0, runAnimation, true);
setAnimation(1, shootAnimation, false);
This is built into the way Spine was built, and a ready-made implementation is in the AnimationState class.
The first parameter of setAnimation is a track number (int). And one animation can be playing per track, but multiple tracks can be going at once. The animation on the lower track number gets applied first.
