In the world of game development, few things break immersion faster than a character that glides across the floor without moving their legs, or a player model that snaps awkwardly between states. If you are building a project in Unity—particularly one involving multiplayer or the popular Netcode for GameObjects (NGO) package—smooth animation synchronization is critical.
Conclusion
Drop the downloaded player-animation-lib-x.x.x.jar file into this folder. install player-animator%2C version 0.9.9 or later.
Usage in global scope:
For the majority of users, installing playerAnimator is a background requirement for a larger mod or modpack. Getting Your Characters Moving: A Guide to Installing