InventoryTile.cs

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

public class InventoryTile : MonoBehaviour
{
    public Sprite PrimaryIcon
    {
        get { return _primaryIcon.sprite; }

        set
        {
            _primaryIcon.sprite = value;
            _primaryIcon.SetNativeSize();
            _primaryIcon.enabled = (value != null);
            _frontIcon.enabled = false;
            _backIcon.enabled = false;
        }
    }

    public Sprite FrontIcon
    {
        get { return _frontIcon.sprite; }

        set
        {
            _frontIcon.sprite = value;
            _frontIcon.SetNativeSize();
            _frontIcon.enabled = true;
            _primaryIcon.enabled = false;
        }
    }

    public Sprite BackIcon
    {
        get { return _backIcon.sprite; }

        set
        {
            _backIcon.sprite = value;
            _backIcon.SetNativeSize();
            _backIcon.enabled = true;
            _primaryIcon.enabled = false;
        }
    }

    // These values associated with an item are stored on the tile temporarily for ease of
    // displaying the proper info when a tile becomes the active selction in a shop.
    public int ItemPrice;
    public string ItemName;
    public string ItemDescription;

    Animator _animator;
    int _isSelectedAnimParam = Animator.StringToHash("IsSelected");
    int _bounceAnimParam = Animator.StringToHash("Bounce");
    int _isSpecialAnimParam = Animator.StringToHash("IsSpecial");
    Image _primaryIcon;

    const float DEFAULT_SCALE = 0.75f;

    // Used for Hands and feet icons, to avoid having to create specialized GUI icons
    // for every piece of hand/foot gear.
    Image _frontIcon;
    Image _backIcon;

    public void RotateAndScale(float degrees, float scale)
    {
        _primaryIcon.transform.eulerAngles = Vector3.forward * degrees;
        _primaryIcon.transform.localScale = Vector3.one * scale;
    }

    public void ResetRotationAndScale()
    {
        _primaryIcon.transform.eulerAngles = Vector3.zero; ;
        _primaryIcon.transform.localScale = Vector3.one * DEFAULT_SCALE; ;
    }

    public void SetSelected(bool state)
    {
        if (gameObject.activeSelf)
            _animator.SetBool(_isSelectedAnimParam, state);
    }

    public void SetSpecial(bool state)
    {
        _animator.SetBool(_isSpecialAnimParam, state);
    }

    public void Bounce()
    {
        _animator.SetTrigger(_bounceAnimParam);
    }

    void Awake()
    {
        _animator = GetComponent<Animator>();
        _primaryIcon = transform.FindChild("primary_icon").GetComponent<Image>();
        _frontIcon = transform.FindChild("front_icon").GetComponent<Image>();
        _backIcon = transform.FindChild("back_icon").GetComponent<Image>();
    }
}