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LocalPackages/spine-4.1/Spine/Runtime/spine-unity/Components/EditorSkeletonPlayer.cs

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+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated July 28, 2023. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2023, 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.
+ *****************************************************************************/
+
+#if UNITY_EDITOR
+using UnityEditor;
+using UnityEditor.Callbacks;
+using UnityEngine;
+
+namespace Spine.Unity {
+
+	/// <summary>
+	/// Experimental Editor Skeleton Player component enabling Editor playback of the
+	/// selected animation outside of Play mode for SkeletonAnimation and SkeletonGraphic.
+	/// </summary>
+	[ExecuteInEditMode]
+	[AddComponentMenu("Spine/EditorSkeletonPlayer")]
+	[RequireComponent(typeof(ISkeletonAnimation))]
+	public class EditorSkeletonPlayer : MonoBehaviour {
+		public bool playWhenSelected = true;
+		public bool playWhenDeselected = true;
+		public float fixedTrackTime = 0.0f;
+		private IEditorSkeletonWrapper skeletonWrapper;
+		private TrackEntry trackEntry;
+		private string oldAnimationName;
+		private bool oldLoop;
+		private double oldTime;
+
+		[DidReloadScripts]
+		private static void OnReloaded () {
+			// Force start when scripts are reloaded
+			EditorSkeletonPlayer[] editorSpineAnimations = FindObjectsOfType<EditorSkeletonPlayer>();
+
+			foreach (EditorSkeletonPlayer editorSpineAnimation in editorSpineAnimations)
+				editorSpineAnimation.Start();
+		}
+
+		private void Reset () {
+			// Note: when a skeleton has a varying number of active materials,
+			// we're moving this component first in the hierarchy to still be
+			// able to disable this component.
+			for (int i = 0; i < 10; ++i)
+				UnityEditorInternal.ComponentUtility.MoveComponentUp(this);
+		}
+
+		private void Start () {
+			if (Application.isPlaying) return;
+
+			if (skeletonWrapper == null) {
+				SkeletonAnimation skeletonAnimation;
+				SkeletonGraphic skeletonGraphic;
+				if (skeletonAnimation = this.GetComponent<SkeletonAnimation>())
+					skeletonWrapper = new SkeletonAnimationWrapper(skeletonAnimation);
+				else if (skeletonGraphic = this.GetComponent<SkeletonGraphic>())
+					skeletonWrapper = new SkeletonGraphicWrapper(skeletonGraphic);
+			}
+
+			oldTime = EditorApplication.timeSinceStartup;
+			EditorApplication.update += EditorUpdate;
+		}
+
+		private void OnDestroy () {
+			EditorApplication.update -= EditorUpdate;
+		}
+
+		private void Update () {
+			if (enabled == false || Application.isPlaying) return;
+			if (skeletonWrapper == null) return;
+			if (skeletonWrapper.State == null || skeletonWrapper.State.Tracks.Count == 0) return;
+
+			TrackEntry currentEntry = skeletonWrapper.State.Tracks.Items[0];
+			if (currentEntry != null && fixedTrackTime != 0) {
+				currentEntry.TrackTime = fixedTrackTime;
+			}
+		}
+
+		private void EditorUpdate () {
+			if (enabled == false || Application.isPlaying) return;
+			if (skeletonWrapper == null) return;
+			if (skeletonWrapper.State == null) return;
+			bool isSelected = Selection.Contains(this.gameObject);
+			if (!this.playWhenSelected && isSelected) return;
+			if (!this.playWhenDeselected && !isSelected) return;
+			if (fixedTrackTime != 0) return;
+
+			// Update animation
+			if (oldAnimationName != skeletonWrapper.AnimationName || oldLoop != skeletonWrapper.Loop) {
+				SkeletonData skeletonData = skeletonWrapper.SkeletonData;
+				Spine.Animation animation = (skeletonData == null || skeletonWrapper.AnimationName == null) ?
+					null : skeletonData.FindAnimation(skeletonWrapper.AnimationName);
+				if (animation != null)
+					trackEntry = skeletonWrapper.State.SetAnimation(0, skeletonWrapper.AnimationName, skeletonWrapper.Loop);
+				else
+					trackEntry = skeletonWrapper.State.SetEmptyAnimation(0, 0);
+				oldAnimationName = skeletonWrapper.AnimationName;
+				oldLoop = skeletonWrapper.Loop;
+			}
+
+			// Update speed
+			if (trackEntry != null)
+				trackEntry.TimeScale = skeletonWrapper.Speed;
+
+			float deltaTime = (float)(EditorApplication.timeSinceStartup - oldTime);
+			skeletonWrapper.Update(deltaTime);
+			oldTime = EditorApplication.timeSinceStartup;
+
+			// Force repaint to update animation smoothly
+#if UNITY_2017_2_OR_NEWER
+			EditorApplication.QueuePlayerLoopUpdate();
+#else
+			SceneView.RepaintAll();
+#endif
+		}
+
+		private class SkeletonAnimationWrapper : IEditorSkeletonWrapper {
+			private SkeletonAnimation skeletonAnimation;
+
+			public SkeletonAnimationWrapper (SkeletonAnimation skeletonAnimation) {
+				this.skeletonAnimation = skeletonAnimation;
+			}
+
+			public Spine.SkeletonData SkeletonData {
+				get {
+					if (!skeletonAnimation.SkeletonDataAsset) return null;
+					return skeletonAnimation.SkeletonDataAsset.GetSkeletonData(true);
+				}
+			}
+
+			public string AnimationName { get { return skeletonAnimation.AnimationName; } }
+			public bool Loop { get { return skeletonAnimation.loop; } }
+			public float Speed { get { return skeletonAnimation.timeScale; } }
+			public Spine.AnimationState State { get { return skeletonAnimation.state; } }
+
+			public void Update (float deltaTime) {
+				skeletonAnimation.Update(deltaTime);
+			}
+		}
+
+		private class SkeletonGraphicWrapper : IEditorSkeletonWrapper {
+			private SkeletonGraphic skeletonGraphic;
+
+			public SkeletonGraphicWrapper (SkeletonGraphic skeletonGraphic) {
+				this.skeletonGraphic = skeletonGraphic;
+			}
+
+			public Spine.SkeletonData SkeletonData { get { return skeletonGraphic.SkeletonData; } }
+			public string AnimationName { get { return skeletonGraphic.startingAnimation; } }
+			public bool Loop { get { return skeletonGraphic.startingLoop; } }
+			public float Speed { get { return skeletonGraphic.timeScale; } }
+			public Spine.AnimationState State { get { return skeletonGraphic.AnimationState; } }
+
+			public void Update (float deltaTime) {
+				skeletonGraphic.Update(deltaTime);
+			}
+		}
+
+		private interface IEditorSkeletonWrapper {
+			string AnimationName { get; }
+			Spine.SkeletonData SkeletonData { get; }
+			bool Loop { get; }
+			float Speed { get; }
+			Spine.AnimationState State { get; }
+			void Update (float deltaTime);
+		}
+	}
+}
+#endif