/// <summary>
/// MIT License - Copyright(c) 2019 Ugo Belfiore
/// </summary>

/// <summary>
/// Useful runtime functions
/// <summary>
public static class ExtUtilityFunction
{
    /// <summary>
    /// Get a script. Use it only in editor, it's extremly expensive in performance
    /// use: MyScript myScript = ExtUtilityFunction.GetScript<MyScript>();
    /// </summary>
    /// <typeparam name="T">type of script</typeparam>
    /// <returns>return the script found, or null if nothing found</returns>
    public static T GetScript<T>()
    {
        object obj = UnityEngine.Object.FindObjectOfType(typeof(T));

        if (obj != null)
        {
            return ((T)obj);
        }
        return (default(T));
    }

    /// <summary>
    /// Get a list of scripts. Use it only in editor, it's extremly expensive in performance
    /// use: MyScript [] myScript = ExtUtilityFunction.GetScripts<MyScript>();
    /// </summary>
    /// <typeparam name="T">type of script</typeparam>
    /// <returns>return the array of script found</returns>
    public static T[] GetScripts<T>()
    {
        object[] obj = UnityEngine.Object.FindObjectsOfType(typeof(T));
        T[] objType = new T[obj.Length];


        if (obj != null)
        {
            for (int i = 0; i < obj.Length; i++)
            {
                objType[i] = (T)obj[i];
            }
        }

        return (objType);
    }
}