Fixed constraint copy constructors references the wrong bones.

ref #2511

spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/IkConstraint.java

@@ -54,25 +54,24 @@ public class IkConstraint implements Updatable {
 		if (data == null) throw new IllegalArgumentException("data cannot be null.");
 		if (skeleton == null) throw new IllegalArgumentException("skeleton cannot be null.");
 		this.data = data;
-		mix = data.mix;
-		softness = data.softness;
-		bendDirection = data.bendDirection;
-		compress = data.compress;
-		stretch = data.stretch;
 
 		bones = new Array(data.bones.size);
 		for (BoneData boneData : data.bones)
 			bones.add(skeleton.bones.get(boneData.index));
 
 		target = skeleton.bones.get(data.target.index);
+
+		mix = data.mix;
+		softness = data.softness;
+		bendDirection = data.bendDirection;
+		compress = data.compress;
+		stretch = data.stretch;
 	}
 
 	/** Copy constructor. */
-	public IkConstraint (IkConstraint constraint) {
-		if (constraint == null) throw new IllegalArgumentException("constraint cannot be null.");
-		data = constraint.data;
-		bones = new Array(constraint.bones);
-		target = constraint.target;
+	public IkConstraint (IkConstraint constraint, Skeleton skeleton) {
+		this(constraint.data, skeleton);
+
 		mix = constraint.mix;
 		softness = constraint.softness;
 		bendDirection = constraint.bendDirection;

spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java

@@ -72,6 +72,7 @@ public class PathConstraint implements Updatable {
 			bones.add(skeleton.bones.get(boneData.index));
 
 		target = skeleton.slots.get(data.target.index);
+
 		position = data.position;
 		spacing = data.spacing;
 		mixRotate = data.mixRotate;
@@ -80,11 +81,9 @@ public class PathConstraint implements Updatable {
 	}
 
 	/** Copy constructor. */
-	public PathConstraint (PathConstraint constraint) {
-		if (constraint == null) throw new IllegalArgumentException("constraint cannot be null.");
-		data = constraint.data;
-		bones = new Array(constraint.bones);
-		target = constraint.target;
+	public PathConstraint (PathConstraint constraint, Skeleton skeleton) {
+		this(constraint.data, skeleton);
+
 		position = constraint.position;
 		spacing = constraint.spacing;
 		mixRotate = constraint.mixRotate;

spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PhysicsConstraint.java

@@ -58,7 +58,9 @@ public class PhysicsConstraint implements Updatable {
 		if (skeleton == null) throw new IllegalArgumentException("skeleton cannot be null.");
 		this.data = data;
 		this.skeleton = skeleton;
+
 		bone = skeleton.bones.get(data.bone.index);
+
 		inertia = data.inertia;
 		strength = data.strength;
 		damping = data.damping;
@@ -69,11 +71,9 @@ public class PhysicsConstraint implements Updatable {
 	}
 
 	/** Copy constructor. */
-	public PhysicsConstraint (PhysicsConstraint constraint) {
-		if (constraint == null) throw new IllegalArgumentException("constraint cannot be null.");
-		data = constraint.data;
-		skeleton = constraint.skeleton;
-		bone = constraint.bone;
+	public PhysicsConstraint (PhysicsConstraint constraint, Skeleton skeleton) {
+		this(constraint.data, skeleton);
+
 		inertia = constraint.inertia;
 		strength = constraint.strength;
 		damping = constraint.damping;

spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/Skeleton.java

@@ -139,19 +139,19 @@ public class Skeleton {
 
 		ikConstraints = new Array(skeleton.ikConstraints.size);
 		for (IkConstraint ikConstraint : skeleton.ikConstraints)
-			ikConstraints.add(new IkConstraint(ikConstraint));
+			ikConstraints.add(new IkConstraint(ikConstraint, skeleton));
 
 		transformConstraints = new Array(skeleton.transformConstraints.size);
 		for (TransformConstraint transformConstraint : skeleton.transformConstraints)
-			transformConstraints.add(new TransformConstraint(transformConstraint));
+			transformConstraints.add(new TransformConstraint(transformConstraint, skeleton));
 
 		pathConstraints = new Array(skeleton.pathConstraints.size);
 		for (PathConstraint pathConstraint : skeleton.pathConstraints)
-			pathConstraints.add(new PathConstraint(pathConstraint));
+			pathConstraints.add(new PathConstraint(pathConstraint, skeleton));
 
 		physicsConstraints = new Array(skeleton.physicsConstraints.size);
 		for (PhysicsConstraint physicsConstraint : skeleton.physicsConstraints)
-			physicsConstraints.add(new PhysicsConstraint(physicsConstraint));
+			physicsConstraints.add(new PhysicsConstraint(physicsConstraint, skeleton));
 
 		skin = skeleton.skin;
 		color = new Color(skeleton.color);

spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/TransformConstraint.java

@@ -53,26 +53,25 @@ public class TransformConstraint implements Updatable {
 		if (data == null) throw new IllegalArgumentException("data cannot be null.");
 		if (skeleton == null) throw new IllegalArgumentException("skeleton cannot be null.");
 		this.data = data;
-		mixRotate = data.mixRotate;
-		mixX = data.mixX;
-		mixY = data.mixY;
-		mixScaleX = data.mixScaleX;
-		mixScaleY = data.mixScaleY;
-		mixShearY = data.mixShearY;
 
 		bones = new Array(data.bones.size);
 		for (BoneData boneData : data.bones)
 			bones.add(skeleton.bones.get(boneData.index));
 
 		target = skeleton.bones.get(data.target.index);
+
+		mixRotate = data.mixRotate;
+		mixX = data.mixX;
+		mixY = data.mixY;
+		mixScaleX = data.mixScaleX;
+		mixScaleY = data.mixScaleY;
+		mixShearY = data.mixShearY;
 	}
 
 	/** Copy constructor. */
-	public TransformConstraint (TransformConstraint constraint) {
-		if (constraint == null) throw new IllegalArgumentException("constraint cannot be null.");
-		data = constraint.data;
-		bones = new Array(constraint.bones);
-		target = constraint.target;
+	public TransformConstraint (TransformConstraint constraint, Skeleton skeleton) {
+		this(constraint.data, skeleton);
+
 		mixRotate = constraint.mixRotate;
 		mixX = constraint.mixX;
 		mixY = constraint.mixY;