From 14219d846281b78647aadbeea643c5541dba3aaf Mon Sep 17 00:00:00 2001
From: Fenrisul <mitch@xdtech.net>
Date: Thu, 4 Sep 2014 03:56:10 -0700
Subject: [PATCH] Added children List<Bone> to Bone.cs and populated it inside
 Skeleton.cs Changed Bone class to implement IEnumerable to easily traverse
 the child list.

---
 spine-csharp/src/Bone.cs     | 39 +++++++++++++++++++++++++++++++++++-
 spine-csharp/src/Skeleton.cs |  5 +++++
 2 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/spine-csharp/src/Bone.cs b/spine-csharp/src/Bone.cs
index 21549e4cd..dfba064e2 100644
--- a/spine-csharp/src/Bone.cs
+++ b/spine-csharp/src/Bone.cs
@@ -29,14 +29,50 @@
  *****************************************************************************/
 
 using System;
+using System.Collections;
+using System.Collections.Generic;
 
 namespace Spine {
-	public class Bone {
+	public class Bone : IEnumerable {
+		private sealed class Enumerator : IEnumerator{
+			private int currentIndex = -1;
+			private Bone outer;
+
+			internal Enumerator(Bone outer){
+				this.outer = outer;
+			}
+
+			public bool MoveNext(){
+				int childCount = this.outer.children.Count;
+				return (++this.currentIndex < childCount);
+			}
+
+			public void Reset(){
+				this.currentIndex = -1;
+			}
+
+			public object Current{
+				get{
+					return this.outer.children[this.currentIndex];
+				}
+			}
+		}
+		public IEnumerator GetEnumerator ()
+		{
+			return new Enumerator(this);
+		}
+
+		public Bone this[int i]{
+			get{
+				return children[i];
+			}
+		}
 		static public bool yDown;
 
 		internal BoneData data;
 		internal Skeleton skeleton;
 		internal Bone parent;
+		internal List<Bone> children;
 		internal float x, y, rotation, rotationIK, scaleX, scaleY;
 		internal float m00, m01, m10, m11;
 		internal float worldX, worldY, worldRotation, worldScaleX, worldScaleY;
@@ -70,6 +106,7 @@ namespace Spine {
 			this.data = data;
 			this.skeleton = skeleton;
 			this.parent = parent;
+			this.children = new List<Bone>();
 			SetToSetupPose();
 		}
 
diff --git a/spine-csharp/src/Skeleton.cs b/spine-csharp/src/Skeleton.cs
index ab6d4d610..02aa9653f 100644
--- a/spine-csharp/src/Skeleton.cs
+++ b/spine-csharp/src/Skeleton.cs
@@ -77,6 +77,11 @@ namespace Spine {
 				bones.Add(new Bone(boneData, this, parent));
 			}
 
+			foreach(Bone b in bones){
+				if(b.Parent != null)
+					b.Parent.children.Add(b);
+			}
+
 			slots = new List<Slot>(data.slots.Count);
 			drawOrder = new List<Slot>(data.slots.Count);
 			foreach (SlotData slotData in data.slots) {