sked/Assets/Script/Character/ProjectileSpine.cs

using Spine;
using Spine.Unity;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.Serialization;

public class ProjectileSpine : MonoBehaviour
{
    [System.Serializable]
    public class Control
    {
        [Space(10)]
        public int layer;
        [SpineAnimation]
        public string name;
        public bool loop;

        [Space]
        public float timeScale = 1f;
        [Space]
        public bool useMixDuration;
        public float mixDuration;
    }

    public SkeletonAnimation skeletonAnimation;
    Spine.AnimationState spineState;
    private void OnEnable()
    {
        if (spineState == null)
            spineState = skeletonAnimation.state;

        Play_Idle();
    }

    [Space(10)]
    public Control idle;
    [System.Serializable]
    public class IdleEndEvent : UnityEvent<bool> { }
    [FormerlySerializedAs("onIdleEnd")]
    [SerializeField]
    [Space(10)]
    private IdleEndEvent onIdleEnd = new IdleEndEvent();
    public void Play_Idle()
    {
        Play(idle, () =>
        {
            onIdleEnd.Invoke(true);
        });
    }
    public Control hit;
    [System.Serializable]
    public class EndEvent : UnityEvent<bool> { }
    [FormerlySerializedAs("onEnd")]
    [SerializeField]
    [Space(10)]
    private EndEvent onEnd = new EndEvent();
    public void Play_Hit()
    {
        Play(hit, () =>
        {
            onEnd.Invoke(true);
        }, null);
    }

    public void Play(Control control, System.Action OnEnd = null, System.Action<Spine.Event> OnEvent = null)
    {
        TrackEntry track = spineState.SetAnimation(control.layer, control.name, control.loop);

        if (track != null)
        {
            if (control != null)
            {
                track.MixDuration = control.useMixDuration ? control.mixDuration : 0;
                track.TimeScale = control.timeScale;
            }

            if (OnEnd != null)
            {
                track.Complete += delegate (TrackEntry entry)
                {
                    OnEnd();
                };
            }

            if (OnEvent != null)
            {
                track.Event += delegate (TrackEntry trackEntry, Spine.Event e)
                {
                    OnEvent(e);
                };
            }
        }
    }
}