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Assets/Spine Examples/Scripts/Sample Components/SkeletonAnimationMulti/SkeletonAnimationMulti.cs

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+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated May 1, 2019. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2019, 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.
+ *
+ * THIS SOFTWARE IS 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 THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+using Spine;
+using Spine.Unity;
+
+namespace Spine.Unity {
+	
+	using Animation = Spine.Animation;
+	using AnimationState = Spine.AnimationState;
+
+	public class SkeletonAnimationMulti : MonoBehaviour {
+		const int MainTrackIndex = 0;
+
+		public bool initialFlipX, initialFlipY;
+		public string initialAnimation;
+		public bool initialLoop;
+		[Space]
+		public List<SkeletonDataAsset> skeletonDataAssets = new List<SkeletonDataAsset>();
+		[Header("Settings")]
+		public MeshGenerator.Settings meshGeneratorSettings = MeshGenerator.Settings.Default;
+
+		readonly List<SkeletonAnimation> skeletonAnimations = new List<SkeletonAnimation>();
+		readonly Dictionary<string, Animation> animationNameTable = new Dictionary<string, Animation>();
+		readonly Dictionary<Animation, SkeletonAnimation> animationSkeletonTable = new Dictionary<Animation, SkeletonAnimation>();
+		//Stateful
+		SkeletonAnimation currentSkeletonAnimation;
+
+		void Clear () {
+			foreach (var s in skeletonAnimations)
+				Destroy(s.gameObject);
+
+			skeletonAnimations.Clear();
+			animationNameTable.Clear();
+			animationSkeletonTable.Clear();
+		}
+
+		void SetActiveSkeleton (SkeletonAnimation skeletonAnimation) {
+			foreach (var sa in skeletonAnimations)
+				sa.gameObject.SetActive(sa == skeletonAnimation);
+			
+			currentSkeletonAnimation = skeletonAnimation;
+		}
+
+		#region Lifecycle
+		void Awake () {
+			Initialize(false);
+		}
+		#endregion
+
+		#region API
+		public Dictionary<Animation, SkeletonAnimation> AnimationSkeletonTable { get { return this.animationSkeletonTable; } }
+		public Dictionary<string, Animation> AnimationNameTable { get { return this.animationNameTable; } }
+		public SkeletonAnimation CurrentSkeletonAnimation { get { return this.currentSkeletonAnimation; } }
+
+		public void Initialize (bool overwrite) {
+			if (skeletonAnimations.Count != 0 && !overwrite) return;
+
+			Clear();
+
+			var settings = this.meshGeneratorSettings;
+			Transform thisTransform = this.transform;
+			foreach (var sda in skeletonDataAssets) {
+				var sa = SkeletonAnimation.NewSkeletonAnimationGameObject(sda);
+				sa.transform.SetParent(thisTransform, false);
+
+				sa.SetMeshSettings(settings);
+				sa.initialFlipX = this.initialFlipX;
+				sa.initialFlipY = this.initialFlipY;
+				var skeleton = sa.skeleton;
+				skeleton.ScaleX = this.initialFlipX ? -1 : 1;
+				skeleton.ScaleY = this.initialFlipY ? -1 : 1;
+
+				sa.Initialize(false);
+				skeletonAnimations.Add(sa);
+			}
+
+			// Build cache
+			var animationNameTable = this.animationNameTable;
+			var animationSkeletonTable = this.animationSkeletonTable;
+			foreach (var skeletonAnimation in skeletonAnimations) {
+				foreach (var animationObject in skeletonAnimation.Skeleton.Data.Animations) {
+					animationNameTable[animationObject.Name] = animationObject;
+					animationSkeletonTable[animationObject] = skeletonAnimation;
+				}
+			}
+
+			SetActiveSkeleton(skeletonAnimations[0]);
+			SetAnimation(initialAnimation, initialLoop);
+		}
+
+		public Animation FindAnimation (string animationName) {
+			// Analysis disable once LocalVariableHidesMember
+			Animation animation;
+			animationNameTable.TryGetValue(animationName, out animation);
+			return animation;
+		}
+
+		public TrackEntry SetAnimation (string animationName, bool loop) {
+			return SetAnimation(FindAnimation(animationName), loop);
+		}
+
+		public TrackEntry SetAnimation (Animation animation, bool loop) {
+			if (animation == null) return null;
+
+			SkeletonAnimation skeletonAnimation;
+			animationSkeletonTable.TryGetValue(animation, out skeletonAnimation);
+
+			if (skeletonAnimation != null) {
+				SetActiveSkeleton(skeletonAnimation);
+				skeletonAnimation.skeleton.SetToSetupPose();
+				return skeletonAnimation.state.SetAnimation(MainTrackIndex, animation, loop);
+			}
+
+			return null;
+		}
+
+		public void SetEmptyAnimation (float mixDuration) {
+			currentSkeletonAnimation.state.SetEmptyAnimation(MainTrackIndex, mixDuration);
+		}
+
+		public void ClearAnimation () {
+			currentSkeletonAnimation.state.ClearTrack(MainTrackIndex);
+		}
+
+		public TrackEntry GetCurrent () {
+			return currentSkeletonAnimation.state.GetCurrent(MainTrackIndex);
+		}
+		#endregion
+	}
+}