HKIVarGeneric.cs

Go to the documentation of this file.

using UnityEngine;
using System.Collections.Generic;

namespace HKI.Core.Variables
{
    [System.Serializable]
    public abstract class HKIVarGeneric<T> : HKIVar
    {
        // Serialized variables
        [SerializeField] T defaultValue = default(T);
        [HideInInspector][SerializeField] T previousValue = default(T);
        [HideInInspector][SerializeField] T value = default(T);

        // Getter
        public T GetDefaultValue { get { return defaultValue; } }
        public T Value { get { return value; } }

        // Setter
        public T SetValue
        { set
            {
                if(!EqualityComparer<T>.Default.Equals(this.value, value))
                {
                    previousValue = this.value;
                    this.value = value;
                    RaiseOnValueChangedCallback();
                }
            }
        }

        // OnEnable function
        void OnEnable()
        {
            if (!EqualityComparer<T>.Default.Equals(defaultValue, value))
                SetValue = defaultValue;
            else
                RaiseOnValueChangedCallback();
        }

        // Interface functions
        public void SetValueToDefaultValue()
        {
            SetValue = defaultValue;
        }

        public void SetValueToPreviousValue()
        {
            SetValue = previousValue;
        }

        public void SetDefaultValueToPreviousValue()
        {
            defaultValue = previousValue;
        }

        public void SetDefaultValueToValue()
        {
            defaultValue = value;
        }

        public override string ToString()
        {
            return value.ToString();
        }

        // Helper functions
        protected virtual void SetWithParameters(object[] parameters)
        {
            if(parameters == null || parameters.Length != 1)
                return;

            defaultValue = (T)parameters[0];
            value = defaultValue;
        }
    }
}