Animation Controller

AnimationController.cs

using ImprovedTimers;
using UnityEngine;

namespace AdvancedController {
    [RequireComponent(typeof(PlayerController))]
    public class AnimationController : MonoBehaviour {
        PlayerController controller;
        Animator animator;

        CountdownTimer animationTimer;

        readonly int locomotionHash = Animator.StringToHash("Locomotion");
        readonly int speedHash = Animator.StringToHash("Speed");
        readonly int isJumpingHash = Animator.StringToHash("IsJumping");

        void Start() {
            controller = GetComponent<PlayerController>();
            animator = GetComponentInChildren<Animator>();

            controller.OnJump += HandleJump;
            controller.OnLand += HandleLand;
            
            animationTimer = new CountdownTimer(0f);
        }

        void Update() {
            animator.SetFloat(speedHash, controller.GetMovementVelocity().magnitude);
        }

        void HandleJump(Vector3 momentum) => animator.SetBool(isJumpingHash, true);
        void HandleLand(Vector3 momentum) => animator.SetBool(isJumpingHash, false);

        public void PlayOneShot(AnimationClip clip) {
            if (clip == null || animator == null) return;
            
            Debug.Log($"Playing one-shot animation: {clip.name}");
            
            animationTimer.OnTimerStop = () => animator.CrossFade(locomotionHash, 0.1f);
            animationTimer.Reset(clip.length);
            animationTimer.Start();
            animator.CrossFade(clip.name, 0.1f);
        }
    }
}