using System.Collections;

using System.Collections.Generic;

using UnityEngine;

namespace DuskModules.ScriptableObjects {

/// <summary> Interface for any monobehaviour that can be linked to the AssetInstance </summary>

public class BehaviourInstance<A, B> : MonoBehaviour where A : BehaviourInstance<A, B> where B : AssetInstance<B, A> {

/// <summary> Asset this behaviour instance is the instance of. </summary>

public B asset => _asset;

[SerializeField]

private B _asset;

// Awake to check if there are no duplicates

protected virtual void Awake() {

if (asset != null) {

if (asset.instance != this) {

Debug.LogWarning("Warning! " + gameObject.name + " is linked to asset " + asset.name + ", which has a different instance! " +

"There should only be one active BehaviourInstance per AssetInstance in the game.");

}

}

}

/// <summary> Sets the asset this behaviour belongs to. </summary>

/// <param name="asset"> Asset to set </param>

public virtual void SetAsset(B asset) {

_asset = asset;

}

// Removes from dictionary

protected virtual void OnDestroy() {

if (asset != null)

asset.Remove((A)this);

}

}

}