重构并增加HitTest

Spine/Interfaces/SpineObjectData.cs

@@ -0,0 +1,117 @@
+using System;
+using System.Collections.Frozen;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using NLog;
+using Spine.Implementations;
+using Spine.Interfaces.Attachments;
+
+namespace Spine.Interfaces
+{
+    /// <summary>
+    /// 应当继承该类实现多版本, 子类需要提供签名为 <c><see cref="new(string, string)"/></c> 的构造函数
+    /// </summary>
+    public abstract class SpineObjectData : 
+        Utils.ImplementationResolver<SpineObjectData, Utils.SpineImplementationAttribute, string>, 
+        ISpineObjectData, 
+        IDisposable
+    {
+        protected static readonly Logger _logger = LogManager.GetCurrentClassLogger();
+
+        /// <summary>
+        /// 构建版本对象
+        /// </summary>
+        public static SpineObjectData New(SpineVersion version, string skelPath, string atlasPath, TextureLoader textureLoader) 
+            => CreateInstance(version.Tag, skelPath, atlasPath, textureLoader);
+
+        /// <summary>
+        /// 构造函数, 继承的子类应当实现一个相同签名的构造函数
+        /// </summary>
+        public SpineObjectData(string skelPath, string atlasPath, TextureLoader textureLoader) { }
+
+        public abstract string SkeletonVersion { get; }
+
+        public abstract ImmutableArray<ISkin> Skins { get; }
+
+        public abstract FrozenDictionary<string, ISkin> SkinsByName { get; }
+
+        public abstract FrozenDictionary<string, FrozenDictionary<string, IAttachment>> SlotAttachments { get; }
+
+        public abstract ImmutableArray<IAnimation> Animations { get; }
+
+        public abstract FrozenDictionary<string, IAnimation> AnimationsByName { get; }
+
+        public abstract float DefaultMix { get; set; }
+
+        /// <summary>
+        /// 释放纹理资源
+        /// </summary>
+        protected abstract void DisposeAtlas();
+
+        /// <summary>
+        /// 创建 skeleton
+        /// </summary>
+        /// <returns></returns>
+        public abstract ISkeleton CreateSkeleton();
+
+        /// <summary>
+        /// 创建 animationState
+        /// </summary>
+        public abstract IAnimationState CreateAnimationState();
+
+        /// <summary>
+        /// 创建 skeletonClipping
+        /// </summary>
+        public abstract ISkeletonClipping CreateSkeletonClipping();
+
+        /// <summary>
+        /// 创建空皮肤
+        /// </summary>
+        public abstract ISkin CreateSkin(string name);
+
+        #region IDispose 接口实现
+
+        /// <summary>
+        /// 引用计数, 初始为 1, 每调用一次 Dispose 会减 1, 由于可能被多个实例同时引用, 因此直到小于等于 0 才会真正释放资源
+        /// </summary>
+        private int _refCount = 1;
+
+        /// <summary>
+        /// 增加引用计数, 当使用同一份数据创建实例副本时, 调用方负责使用该方法增加引用计数, 并且使用 Dispose 或者 Finalize 减少引用计数, 初始为 1
+        /// </summary>
+        public void IncRef() => _refCount++;
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (_refCount <= 0) return;
+
+            _refCount--;
+            if (_refCount <= 0)
+            {
+                if (disposing)
+                {
+                    DisposeAtlas();
+                }
+            }
+        }
+
+        ~SpineObjectData()
+        {
+            Dispose(false);
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+            if (_refCount <= 0)
+            {
+                GC.SuppressFinalize(this);
+            }
+        }
+
+        #endregion
+    }
+}