RebootKit/Runtime/Engine/Code/Services/Simulation/Actor.cs

using RebootKit.Engine.Foundation;
using UnityEngine;

namespace RebootKit.Engine.Services.Simulation {
    public abstract class Actor : MonoBehaviour {
        [field: SerializeField]
        public SerializableGuid ActorGuid { get; private set; } = SerializableGuid.New();

        bool m_IsPlaying = false;
        public bool IsPlaying {
            get {
                return m_IsPlaying;
            }

            set {
                if (m_IsPlaying == value) {
                    return;
                }

                m_IsPlaying = value;

                if (m_IsPlaying) {
                    OnBeginPlay();
                } else {
                    OnEndPlay();
                }
            }
        }

        public virtual void OnSpawned() {
        }

        public virtual void OnDespawned() {
        }

        public virtual void OnBeginPlay() {
        }

        public virtual void OnEndPlay() {
        }

        public virtual void OnTick(float deltaTime) {
        }
    }
}