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Explicit AnimationStateData key in C#.

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From user issue: http://esotericsoftware.com/forum/Performance-issue-of-KeyValuePair-5966
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John 2016-03-11 06:54:15 +08:00
parent 6950832d1e
commit 2a244bbbe0
1 changed files with 28 additions and 3 deletions
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31
spine-csharp/src/AnimationStateData.cs
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@ -35,7 +35,7 @@ using System.Collections.Generic;
namespace Spine {
public class AnimationStateData {
internal SkeletonData skeletonData;
private Dictionary<KeyValuePair<Animation, Animation>, float> animationToMixTime = new Dictionary<KeyValuePair<Animation, Animation>, float>();
private Dictionary<AnimationPair, float> animationToMixTime = new Dictionary<AnimationPair, float>(AnimationPairComparer.Instance);
internal float defaultMix;
public SkeletonData SkeletonData { get { return skeletonData; } }
@ -56,16 +56,41 @@ namespace Spine {
public void SetMix (Animation from, Animation to, float duration) {
if (from == null) throw new ArgumentNullException("from cannot be null.");
if (to == null) throw new ArgumentNullException("to cannot be null.");
KeyValuePair<Animation, Animation> key = new KeyValuePair<Animation, Animation>(from, to);
AnimationPair key = new AnimationPair(from, to);
animationToMixTime.Remove(key);
animationToMixTime.Add(key, duration);
}
public float GetMix (Animation from, Animation to) {
KeyValuePair<Animation, Animation> key = new KeyValuePair<Animation, Animation>(from, to);
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;
}
}
// 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());
}
}
}
}