spine-runtimes/spine-unity/Assets/spine-unity/Editor/SkeletonAnimationInspector.cs

/******************************************************************************
 * Spine Runtimes Software License v2.5
 *
 * Copyright (c) 2013-2016, 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 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 develop new applications using the Spine Runtimes or otherwise
 * create derivative works or improvements of the Spine Runtimes 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,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
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 * 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 UnityEditor;
using UnityEngine;
using Spine;

namespace Spine.Unity.Editor {
	
	[CustomEditor(typeof(SkeletonAnimation))]
	[CanEditMultipleObjects]
	public class SkeletonAnimationInspector : SkeletonRendererInspector {
		protected SerializedProperty animationName, loop, timeScale, autoReset;
		protected bool wasAnimationNameChanged;
		protected bool requireRepaint;

		protected override void OnEnable () {
			base.OnEnable();
			animationName = serializedObject.FindProperty("_animationName");
			loop = serializedObject.FindProperty("loop");
			timeScale = serializedObject.FindProperty("timeScale");
		}

		protected override void DrawInspectorGUI (bool multi) {
			base.DrawInspectorGUI(multi);
			if (!TargetIsValid) return;
			bool sameData = SpineInspectorUtility.TargetsUseSameData(serializedObject);

			// Try to reflect the animation name on the scene object.
			{
				if (multi)
					foreach (var o in targets)		
						TrySetAnimation(o);
				else
					TrySetAnimation(target);
			}
			
			EditorGUILayout.Space();

			if (multi && !sameData)
				EditorGUILayout.DelayedTextField(animationName);
			else {
				EditorGUI.BeginChangeCheck();
				EditorGUILayout.PropertyField(animationName);
				wasAnimationNameChanged |= EditorGUI.EndChangeCheck(); // Value used in the next update.
			}
				
			EditorGUILayout.PropertyField(loop);

			EditorGUILayout.PropertyField(timeScale);
			if (multi) {
				foreach (var o in targets) {
					var component = o as SkeletonAnimation;
					component.timeScale = Mathf.Max(component.timeScale, 0);
				}
			} else {
				var component = (SkeletonAnimation)target;
				component.timeScale = Mathf.Max(component.timeScale, 0);
			}

			if (!isInspectingPrefab) {
				if (requireRepaint) {
					SceneView.RepaintAll();
					requireRepaint = false;
				}

				DrawSkeletonUtilityButton(multi);
			}
		}

		protected void TrySetAnimation (Object o) {
			var skeletonAnimation = o as SkeletonAnimation;
			if (skeletonAnimation == null) return;
			if (!skeletonAnimation.valid)
				return;

			if (!isInspectingPrefab) {
				if (wasAnimationNameChanged) {
					if (!Application.isPlaying) {
						if (skeletonAnimation.state != null) skeletonAnimation.state.ClearTrack(0);
						skeletonAnimation.skeleton.SetToSetupPose();
					}

					Spine.Animation animationToUse = skeletonAnimation.skeleton.Data.FindAnimation(animationName.stringValue);

					if (!Application.isPlaying) {
						if (animationToUse != null) animationToUse.Apply(skeletonAnimation.skeleton, 0f, 0f, false, null);
						skeletonAnimation.Update();
						skeletonAnimation.LateUpdate();
						requireRepaint = true;
					} else {
						if (animationToUse != null)
							skeletonAnimation.state.SetAnimation(0, animationToUse, loop.boolValue);
						else
							skeletonAnimation.state.ClearTrack(0);
					}

					wasAnimationNameChanged = false;
				}

				// Reflect animationName serialized property in the inspector even if SetAnimation API was used.
				bool multi = animationName.serializedObject.isEditingMultipleObjects;
				if (!multi && Application.isPlaying) {
					TrackEntry current = skeletonAnimation.state.GetCurrent(0);
					if (current != null) {
						if (skeletonAnimation.AnimationName != animationName.stringValue)
							animationName.stringValue = current.Animation.Name;
					}
				}
			}
		}
	}
}