General movement animations are implemented in the AC_CAS_FPSPack_Template controller:Structurally, it’s identical to the demo AC_CAS_Template animator. The only difference is the IK_Locomotion layer:
Procedural movement layer.
Tip: This layer is responsible for IK movement animations, such as idle, walk, sprint and jump.
IK_Locomotion uses a special Avatar Mask to only affect the ik_hand_gun_additive bone.This additive bone is animated in movement animation clips from the FPS Animation Pack:
