spine-runtimes/spine-unity/Modules/com.esotericsoftware.spine.timeline/Runtime/SpineAnimationState/SpineAnimationStateClip.cs

/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated September 24, 2021. Replaces all prior versions.
 *
 * Copyright (c) 2013-2022, Esoteric Software LLC
 *
 * Integration of the Spine Runtimes into software or otherwise creating
 * derivative works of the Spine Runtimes is permitted under the terms and
 * conditions of Section 2 of the Spine Editor License Agreement:
 * http://esotericsoftware.com/spine-editor-license
 *
 * Otherwise, it is permitted to integrate the Spine Runtimes into software
 * or otherwise create derivative works of the Spine Runtimes (collectively,
 * "Products"), provided that each user of the Products must obtain their own
 * Spine Editor license and redistribution of the Products in any form must
 * include this license and copyright notice.
 *
 * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "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 LLC BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
 * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) 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
 * THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

using System;
using UnityEngine;
using UnityEngine.Playables;
using UnityEngine.Timeline;

namespace Spine.Unity.Playables {
	[Serializable]
	public class SpineAnimationStateClip : PlayableAsset, ITimelineClipAsset {
		public SpineAnimationStateBehaviour template = new SpineAnimationStateBehaviour();

		public ClipCaps clipCaps { get { return ClipCaps.Blending | ClipCaps.ClipIn | ClipCaps.SpeedMultiplier | (template.loop ? ClipCaps.Looping : 0); } }
		[NonSerialized] public TimelineClip timelineClip;

		public override Playable CreatePlayable (PlayableGraph graph, GameObject owner) {
			template.timelineClip = this.timelineClip;

			var playable = ScriptPlayable<SpineAnimationStateBehaviour>.Create(graph, template);
			playable.GetBehaviour();
			return playable;
		}

		public override double duration {
			get {
				if (template.animationReference == null || template.animationReference.Animation == null)
					return 0;
				return template.animationReference.Animation.Duration;
			}
		}
	}

}