battlearray_client/Assets/Scripts/UI/Battle/PowerIcon.cs

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

public class PowerIcon : MonoBehaviour 
{
	public bool isCrystalPowerIcon;

	public Image darkImage;
	public Image lightImage;
	public Image activatingImage;
	public Text priceTxt;

	private BattleController battleController;
	private Power power;
	private bool activating;

	public Sprite defaultIcon;

	public void init(BattleController battleController)
	{
		this.battleController = battleController;
		SetPower(power);
	}

	public void Show()
	{
		transform.localScale = new Vector3(1f, 1f, 1f);
	}

	public void Hide()
	{
		transform.localScale = Vector3.zero;
	}

	public void SetPower(Power power)
	{
		this.power = power;
		if (power != null)
		{
			if(power.GetIcon() != null)
			{
				lightImage.sprite = darkImage.sprite = power.GetIcon();
				priceTxt.text = power.crystalNeed > 0 ? power.crystalNeed.ToString() : "";
			}
			activating = power.isActivating;
		}
		else 
		{
			if(!isCrystalPowerIcon && defaultIcon != null)
			{
				lightImage.sprite = darkImage.sprite = defaultIcon;
			}
			activating = false;
		}
		activatingImage.enabled = activating;
		transform.localScale = power != null ? Vector3.one : Vector3.zero;
	}
	
	public void OnClick()
	{
		if(battleController.GetCtrlCraft() != null && power != null)
		{
			if(battleController.AttempUsePower(power.GetId()))
			{
				DGAnalytics.CustomEvent ("Pow"+power.GetId());
			}
		}
	}

	// Update is called once per frame
	void FixedUpdate () 
	{
		if(power != null)
		{
			if(power.isActivating != activating)
			{
				activating = power.isActivating;
				activatingImage.enabled = activating;
			}

			if(!power.IsCoolDown())
			{
				lightImage.fillAmount = power.GetCDTime()/power.GetCDDuration();
			}
			else if(lightImage.fillAmount < 1f)
			{
				lightImage.fillAmount = 1f;
			}
		}
	}
	
}