/******************************************************************************
 * Spine Runtimes Software License
 * Version 2.3
 * 
 * Copyright (c) 2013-2015, Esoteric Software
 * All rights reserved.
 * 
 * You are granted a perpetual, non-exclusive, non-sublicensable and
 * non-transferable license to use, install, execute and perform the Spine
 * Runtimes Software (the "Software") and derivative works solely for personal
 * or internal use. Without the written permission of Esoteric Software (see
 * Section 2 of the Spine Software License Agreement), you may not (a) modify,
 * translate, adapt or otherwise create derivative works, improvements of the
 * Software or develop new applications using the Software or (b) remove,
 * delete, alter or obscure any trademarks or any copyright, trademark, patent
 * or other intellectual property or proprietary rights notices on or in the
 * Software, including any copy thereof. Redistributions in binary or source
 * form must include this license and terms.
 * 
 * THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

using UnityEngine;
using System.Collections;
using Spine.Unity;

[ExecuteInEditMode]
[RequireComponent(typeof(SkeletonRenderer))]
public class SpineGauge : MonoBehaviour {

	#region Inspector
	[Range(0,1)]
	public float fillPercent = 0;

	[SpineAnimation]
	public string fillAnimationName;
	#endregion

	SkeletonRenderer skeletonRenderer;
	Spine.Animation fillAnimation;

	void Awake () {
		skeletonRenderer = GetComponent<SkeletonRenderer>();

	}

	void Update () {
		SetGaugePercent(fillPercent);
	}

	public void SetGaugePercent (float x) {
		if (skeletonRenderer == null) return;
		var skeleton = skeletonRenderer.skeleton; if (skeleton == null) return;

		// Make super-sure that fillAnimation isn't null. Early exit if it is.
		if (fillAnimation == null) {
			fillAnimation = skeleton.Data.FindAnimation(fillAnimationName);
			if (fillAnimation == null) return;
		}
			
		fillAnimation.Apply(skeleton, 0, x, false, null);

		skeleton.Update(Time.deltaTime);
		skeleton.UpdateWorldTransform();
	}
}