ButtonControl

using UnityEngine;
using System.Collections;
using UnityEngine.UI;

public class T_MainMenu : MonoBehaviour {

    public Color Active;
    public Color Inactive;
    public AnimationCurve Curve;

    public T_Button[] Buttons;
    public bool NoneHovering;

    void Update()
    {
        // Reset NoneHovering state.
        NoneHovering = true;
        foreach (T_Button I in Buttons)
        {
            #region BrightnessControl
            if (I.Highlight && I.Transition < 1)
                I.Transition += Time.deltaTime * 2;
            if (!I.Highlight && I.Transition > 0)
                I.Transition -= Time.deltaTime * 2;
            I.ImageAccess.color = Color.Lerp(Inactive, Active, Curve.Evaluate(I.Transition));
            #endregion

            // Button found hovering.
            if (I.Hovering)
                NoneHovering = false;
        }
        // If no buttons are hovered over, set all highlights true.
        // If one button is hovered over, check each button and set its highlight to its hover state.
        if (NoneHovering)
            foreach (T_Button I in Buttons)
            {
                I.Highlight = true;
            }
        else
            foreach (T_Button I in Buttons)
            {
                I.Highlight = I.Hovering;
            }

    }

    // Called from the button when the cursor hovers over it.
    public void HoverOn(string Name)
    {
        foreach (T_Button I in Buttons)
        {
            I.Hovering = (I.Name == Name);
        }
    }
    // Called from the button when the cursor is no longer hovering over it.
    public void HoverOff(string Name)
    {
        foreach (T_Button I in Buttons)
        {
            I.Hovering = false;
        }
    }
}

[System.Serializable]
public class T_Button
{
    public string Name;
    public Image ImageAccess;
    public bool Hovering;
    public bool Highlight;
    public float Transition;
}