add spine34 & spine35

SpineRuntimes/SpineRuntime35/AnimationStateData.cs

@@ -0,0 +1,115 @@
+/******************************************************************************
+ * 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,
+ * 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;
+using System.Collections.Generic;
+
+namespace SpineRuntime35 {
+
+	/// <summary>Stores mix (crossfade) durations to be applied when AnimationState animations are changed.</summary>
+	public class AnimationStateData {
+		internal SkeletonData skeletonData;
+		readonly Dictionary<AnimationPair, float> animationToMixTime = new Dictionary<AnimationPair, float>(AnimationPairComparer.Instance);
+		internal float defaultMix;
+
+		/// <summary>The SkeletonData to look up animations when they are specified by name.</summary>
+		public SkeletonData SkeletonData { get { return skeletonData; } }
+
+		/// <summary>
+		/// The mix duration to use when no mix duration has been specifically defined between two animations.</summary>
+		public float DefaultMix { get { return defaultMix; } set { defaultMix = value; } }
+
+		public AnimationStateData (SkeletonData skeletonData) {
+			if (skeletonData == null) throw new ArgumentException ("skeletonData cannot be null.");
+			this.skeletonData = skeletonData;
+		}
+
+		/// <summary>Sets a mix duration by animation names.</summary>
+		public void SetMix (string fromName, string toName, float duration) {
+			Animation from = skeletonData.FindAnimation(fromName);
+			if (from == null) throw new ArgumentException("Animation not found: " + fromName);
+			Animation to = skeletonData.FindAnimation(toName);
+			if (to == null) throw new ArgumentException("Animation not found: " + toName);
+			SetMix(from, to, duration);
+		}
+
+		/// <summary>Sets a mix duration when changing from the specified animation to the other. 
+		/// See TrackEntry.MixDuration.</summary>
+		public void SetMix (Animation from, Animation to, float duration) {
+			if (from == null) throw new ArgumentNullException("from", "from cannot be null.");
+			if (to == null) throw new ArgumentNullException("to", "to cannot be null.");
+			AnimationPair key = new AnimationPair(from, to);
+			animationToMixTime.Remove(key);
+			animationToMixTime.Add(key, duration);
+		}
+
+		/// <summary>
+		/// The mix duration to use when changing from the specified animation to the other, 
+		/// or the DefaultMix if no mix duration has been set.
+		/// </summary>
+		public float GetMix (Animation from, Animation to) {
+			if (from == null) throw new ArgumentNullException("from", "from cannot be null.");
+			if (to == null) throw new ArgumentNullException("to", "to cannot be null.");
+			AnimationPair key = new AnimationPair(from, to);
+			float duration;
+			if (animationToMixTime.TryGetValue(key, out duration)) return duration;
+			return defaultMix;
+		}
+
+		struct AnimationPair {
+			public readonly Animation a1;
+			public readonly Animation a2;
+
+			public AnimationPair (Animation a1, Animation a2) {
+				this.a1 = a1;
+				this.a2 = a2;
+			}
+
+			public override string ToString () {
+				return a1.name + "->" + a2.name;
+			}
+		}
+
+		// Avoids boxing in the dictionary.
+		class AnimationPairComparer : IEqualityComparer<AnimationPair> {
+			internal static readonly AnimationPairComparer Instance = new AnimationPairComparer();
+
+			bool IEqualityComparer<AnimationPair>.Equals (AnimationPair x, AnimationPair y) {
+				return ReferenceEquals(x.a1, y.a1) && ReferenceEquals(x.a2, y.a2);
+			}
+
+			int IEqualityComparer<AnimationPair>.GetHashCode (AnimationPair obj) {
+				// from Tuple.CombineHashCodes // return (((h1 << 5) + h1) ^ h2);
+				int h1 = obj.a1.GetHashCode();
+				return (((h1 << 5) + h1) ^ obj.a2.GetHashCode());
+			}
+		}
+	}
+}