UIValueText.cs

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using UnityEngine;
using UnityEngine.UI;
using HKI.Core.Variables;

namespace HKI.Core.UI
{
    [AddComponentMenu("HKI/UI/UIValueText")]
    [DisallowMultipleComponent]
    public class UIValueText : MonoBehaviour
    {
        // Public variables
        [Header("General Properties")]
        [SerializeField] HKIVar Variable = null;

        // Private variables
        TMProAndUGUITextAccessor valueText = null;

        // Awake function
        void Awake()
        {
            if(Variable == null)
            {
                Debug.LogError("(UIValueText)" + name + " there isn't a variable attached to this value text!");
                return;
            }
            
            valueText = new TMProAndUGUITextAccessor(gameObject);
        }

        // OnEnable function
        void OnEnable()
        {
            UpdateText();

            if(Variable != null)
                Variable.OnValueChanged += UpdateText;
        }

        // OnDisable function
        void OnDisable()
        {
            if(Variable != null)
                Variable.OnValueChanged -= UpdateText;
        }

        // Interface function
        public void UpdateText()
        {
            if(Variable != null)
                valueText.ChangeText(Variable.ToString());
        }
    }
}