wip

spine-cpp/spine-cpp/include/spine/Attachment.h

@@ -31,12 +31,16 @@
 #ifndef Spine_Attachment_h
 #define Spine_Attachment_h
 
+#include <spine/RTTI.h>
+
 #include <string>
 
 namespace Spine
 {
     class Attachment
     {
+        RTTI_DECL;
+        
     public:
         Attachment(std::string name);
         

spine-cpp/spine-cpp/include/spine/Bone.h

@@ -48,6 +48,8 @@ namespace Spine
     class Bone : public Updatable
     {
         friend class RotateTimeline;
+        friend class IkConstraint;
+        friend class TransformConstraint;
         
     public:
         static void setYDown(bool inValue);
@@ -55,7 +57,7 @@ namespace Spine
         static bool isYDown();
         
         /// @param parent May be NULL.
-        Bone(BoneData& data, Skeleton& skeleton, Bone* parent);
+        Bone(BoneData& data, Skeleton& skeleton, Bone* parent = NULL);
         
         /// Same as updateWorldTransform. This method exists for Bone to implement Spine::Updatable.
         virtual void update();

spine-cpp/spine-cpp/include/spine/BoneData.h

@@ -40,7 +40,7 @@ namespace Spine
     class BoneData
     {
     public:
-        BoneData(int index, std::string name, BoneData* parent);
+        BoneData(int index, std::string name, BoneData* parent = NULL);
         
         /// The index of the bone in Skeleton.Bones
         const int getIndex();
@@ -49,7 +49,7 @@ namespace Spine
         const std::string& getName();
         
         /// May be NULL.
-        const BoneData* getParent();
+        BoneData* getParent();
         
         float getLength();
         void setLength(float inValue);
@@ -89,7 +89,7 @@ namespace Spine
     private:
         const int _index;
         const std::string _name;
-        const BoneData* _parent;
+        BoneData* _parent;
         float _length;
         float _x, _y, _rotation, _scaleX, _scaleY, _shearX, _shearY;
         TransformMode _transformMode;

spine-cpp/spine-cpp/include/spine/ContainerUtil.h

@@ -34,11 +34,52 @@
 #include <spine/Vector.h>
 #include <spine/HashMap.h>
 
+#include <string>
+#include <assert.h>
+
 namespace Spine
 {
     class ContainerUtil
     {
     public:
+        /// Finds an item by comparing each item's name.
+        /// It is more efficient to cache the results of this method than to call it multiple times.
+        /// @return May be NULL.
+        template<typename T>
+        static T* findWithName(Vector<T*>& items, std::string name)
+        {
+            assert(name.length() > 0);
+            
+            for (typename T* i = items.begin(); i != items.end(); ++i)
+            {
+                T* item = (*i);
+                if (item->getName() == name)
+                {
+                    return item;
+                }
+            }
+            
+            return NULL;
+        }
+        
+        /// @return -1 if the item was not found.
+        template<typename T>
+        static int findIndexWithName(Vector<T*>& items, std::string name)
+        {
+            assert(name.length() > 0);
+            
+            for (size_t i = 0, size_t len = items.size(); i < len; ++i)
+            {
+                T* item = items[i];
+                if (item->getName() == name)
+                {
+                    return i;
+                }
+            }
+            
+            return -1;
+        }
+        
         template<typename T>
         static void cleanUpVectorOfPointers(Vector<T*>& items)
         {

spine-cpp/spine-cpp/include/spine/IkConstraint.h

@@ -31,9 +31,57 @@
 #ifndef Spine_IkConstraint_h
 #define Spine_IkConstraint_h
 
+#include <spine/Constraint.h>
+
+#include <spine/Vector.h>
+
 namespace Spine
 {
-    // TODO
+    class IkConstraintData;
+    class Skeleton;
+    class Bone;
+    
+    class IkConstraint : public Constraint
+    {
+    public:
+        /// Adjusts the bone rotation so the tip is as close to the target position as possible. The target is specified
+        /// in the world coordinate system.
+        static void apply(Bone& bone, float targetX, float targetY, float alpha);
+        
+        /// Adjusts the parent and child bone rotations so the tip of the child is as close to the target position as
+        /// possible. The target is specified in the world coordinate system.
+        /// @param child A direct descendant of the parent bone.
+        static void apply(Bone& parent, Bone& child, float targetX, float targetY, int bendDir, float alpha);
+        
+        IkConstraint(IkConstraintData& data, Skeleton& skeleton);
+        
+        /// Applies the constraint to the constrained bones.
+        void apply();
+        
+        virtual void update();
+        
+        virtual int getOrder();
+        
+        IkConstraintData& getData();
+        
+        Vector<Bone*>& getBones();
+        
+        Bone* getTarget();
+        void setTarget(Bone* inValue);
+        
+        int getBendDirection();
+        void setBendDirection(int inValue);
+        
+        float getMix();
+        void setMix(float inValue);
+        
+    private:
+        IkConstraintData& _data;
+        Vector<Bone*> _bones;
+        Bone* _target;
+        float _mix;
+        int _bendDirection;
+    };
 }
 
 #endif /* Spine_IkConstraint_h */

spine-cpp/spine-cpp/include/spine/IkConstraintData.h

@@ -35,10 +35,10 @@
 
 #include <string>
 
-class BoneData;
-
 namespace Spine
 {
+    class BoneData;
+    
     class IkConstraintData
     {
     public:

spine-cpp/spine-cpp/include/spine/MathUtil.h

@@ -35,7 +35,7 @@
 #include <float.h>
 
 #define SPINE_PI 3.1415927f
-#define SPINE_PI_2 PI * 2
+#define SPINE_PI_2 SPINE_PI * 2
 #define RadDeg 180.0f / SPINE_PI
 #define DegRad SPINE_PI / 180.0f
 #define SIN_BITS 14 // 16KB. Adjust for accuracy.

spine-cpp/spine-cpp/include/spine/PathConstraint.h

@@ -31,9 +31,74 @@
 #ifndef Spine_PathConstraint_h
 #define Spine_PathConstraint_h
 
+#include <spine/Constraint.h>
+
+#include <spine/Vector.h>
+
 namespace Spine
 {
-    // TODO
+    class PathConstraintData;
+    class Skeleton;
+    class PathAttachment;
+    class Bone;
+    class Slot;
+    
+    class PathConstraint : public Constraint
+    {
+        PathConstraint(PathConstraintData& data, Skeleton& skeleton);
+        
+        /// Applies the constraint to the constrained bones.
+        void apply();
+        
+        virtual void update();
+        
+        virtual int getOrder();
+        
+        float getPosition();
+        void setPosition(float inValue);
+        
+        float getSpacing();
+        void setSpacing(float inValue);
+        
+        float getRotateMix();
+        void setRotateMix(float inValue);
+        
+        float getTranslateMix();
+        void setTranslateMix(float inValue);
+        
+        Vector<Bone*>& getBones();
+        
+        Slot* getTarget();
+        void setTarget(Slot* inValue);
+        
+        PathConstraintData& getData();
+        
+    private:
+        static const float EPSILON;
+        static const int NONE;
+        static const int BEFORE;
+        static const int AFTER;
+        
+        PathConstraintData& _data;
+        Vector<Bone*> _bones;
+        Slot* _target;
+        float _position, _spacing, _rotateMix, _translateMix;
+        
+        Vector<float> _spaces;
+        Vector<float> _positions;
+        Vector<float> _world;
+        Vector<float> _curves;
+        Vector<float> _lengths;
+        Vector<float> _segments;
+        
+        Vector<float> computeWorldPositions(PathAttachment& path, int spacesCount, bool tangents, bool percentPosition, bool percentSpacing);
+        
+        static void addBeforePosition(float p, Vector<float>& temp, int i, Vector<float>& output, int o);
+        
+        static void addAfterPosition(float p, Vector<float>& temp, int i, Vector<float>& output, int o);
+        
+        static void addCurvePosition(float p, float x1, float y1, float cx1, float cy1, float cx2, float cy2, float x2, float y2, Vector<float>& output, int o, bool tangents);
+    };
 }
 
 #endif /* Spine_PathConstraint_h */

spine-cpp/spine-cpp/include/spine/Skeleton.h

@@ -54,6 +54,8 @@ namespace Spine
     public:
         Skeleton(SkeletonData& data);
         
+        ~Skeleton();
+        
         /// Caches information about bones and constraints. Must be called if bones, constraints or weighted path attachments are added
         /// or removed.
         void updateCache();
@@ -155,7 +157,7 @@ namespace Spine
         void setFlipY(float inValue);
         
     private:
-        const SkeletonData& _data;
+        SkeletonData& _data;
         Vector<Bone*> _bones;
         Vector<Slot*> _slots;
         Vector<Slot*> _drawOrder;

spine-cpp/spine-cpp/include/spine/SlotData.h

@@ -48,7 +48,7 @@ namespace Spine
         
         const std::string& getName();
         
-        const BoneData& getBoneData();
+        BoneData& getBoneData();
         
         float getR();
         void setR(float inValue);
@@ -78,7 +78,7 @@ namespace Spine
     private:
         const int _index;
         const std::string _name;
-        const BoneData& _boneData;
+        BoneData& _boneData;
         float _r, _g, _b, _a;
         float _r2, _g2, _b2;
         bool _hasSecondColor;

spine-cpp/spine-cpp/include/spine/TransformConstraint.h

@@ -31,9 +31,60 @@
 #ifndef Spine_TransformConstraint_h
 #define Spine_TransformConstraint_h
 
+#include <spine/Constraint.h>
+
+#include <spine/Vector.h>
+
 namespace Spine
 {
-    // TODO
+    class TransformConstraintData;
+    class Skeleton;
+    class Bone;
+    
+    class TransformConstraint : public Constraint
+    {
+    public:
+        TransformConstraint(TransformConstraintData& data, Skeleton& skeleton);
+        
+        void apply();
+        
+        virtual void update();
+        
+        virtual int getOrder();
+        
+        TransformConstraintData& getData();
+        
+        Vector<Bone*>& getBones();
+        
+        Bone* getTarget();
+        void setTarget(Bone* inValue);
+        
+        float getRotateMix();
+        void setRotateMix(float inValue);
+        
+        float getTranslateMix();
+        void setTranslateMix(float inValue);
+        
+        float getScaleMix();
+        void setScaleMix(float inValue);
+        
+        float getShearMix();
+        void setShearMix(float inValue);
+        
+    private:
+        TransformConstraintData& _data;
+        Vector<Bone*> _bones;
+        Bone* _target;
+        float _rotateMix, _translateMix, _scaleMix, _shearMix;
+        
+        void applyAbsoluteWorld();
+        
+        void applyRelativeWorld();
+        
+        void applyAbsoluteLocal();
+        
+        void applyRelativeLocal();
+    };
 }
 
 #endif /* Spine_TransformConstraint_h */

spine-cpp/spine-cpp/include/spine/TransformConstraintData.h

@@ -41,6 +41,8 @@ namespace Spine
     
     class TransformConstraintData
     {
+        friend class TransformConstraint;
+        
     public:
         TransformConstraintData(std::string name);
         

spine-cpp/spine-cpp/include/spine/VertexAttachment.h

@@ -0,0 +1,83 @@
+/******************************************************************************
+ * 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.
+ *****************************************************************************/
+
+#ifndef Spine_VertexAttachment_h
+#define Spine_VertexAttachment_h
+
+#include <spine/Attachment.h>
+
+#include <spine/Vector.h>
+
+namespace Spine
+{
+    class Slot;
+    
+    /// An attachment with vertices that are transformed by one or more bones and can be deformed by a slot's vertices.
+    class VertexAttachment : Attachment
+    {
+    public:
+        VertexAttachment(std::string name);
+        
+        void computeWorldVertices(Slot& slot, Vector<float>& worldVertices);
+        
+        /// Transforms local vertices to world coordinates.
+        /// @param start The index of the first Vertices value to transform. Each vertex has 2 values, x and y.
+        /// @param count The number of world vertex values to output. Must be less than or equal to WorldVerticesLength - start.
+        /// @param worldVertices The output world vertices. Must have a length greater than or equal to offset + count.
+        /// @param offset The worldVertices index to begin writing values.
+        /// @param stride The number of worldVertices entries between the value pairs written.
+        void computeWorldVertices(Slot& slot, int start, int count, Vector<float>& worldVertices, int offset, int stride = 2);
+        
+        /// @return true if a deform originally applied to the specified attachment should be applied to this attachment.
+        virtual bool applyDeform(VertexAttachment* sourceAttachment);
+        
+        /// Gets a unique ID for this attachment.
+        int getId();
+        
+        Vector<int> getBones();
+        void setBones(Vector<int> inValue);
+        
+        Vector<float> getVertices();
+        void setVertices(Vector<float> inValue);
+        
+        int getWorldVerticesLength();
+        void setWorldVerticesLength(int inValue);
+        
+    private:
+        const int _id;
+        Vector<int> _bones;
+        Vector<float> _vertices;
+        int _worldVerticesLength;
+        
+        static int getNextID();
+    };
+}
+
+#endif /* Spine_VertexAttachment_h */

spine-cpp/spine-cpp/src/spine/Attachment.cpp

@@ -43,4 +43,6 @@ namespace Spine
     {
         return _name;
     }
+    
+    RTTI_IMPL_NOPARENT(Attachment);
 }

spine-cpp/spine-cpp/src/spine/Bone.cpp

@@ -111,14 +111,14 @@ namespace Spine
             float lb = MathUtil::cosDeg(rotationY) * scaleY;
             float lc = MathUtil::sinDeg(rotation + shearX) * scaleX;
             float ld = MathUtil::sinDeg(rotationY) * scaleY;
-            if (_skeleton.isFlipX())
+            if (_skeleton.getFlipX())
             {
                 x = -x;
                 la = -la;
                 lb = -lb;
             }
             
-            if (_skeleton.isFlipY() != Bone::isYDown())
+            if (_skeleton.getFlipY() != Bone::isYDown())
             {
                 y = -y;
                 lc = -lc;
@@ -223,7 +223,7 @@ namespace Spine
                 float lc = MathUtil::sinDeg(shearX) * scaleX;
                 float ld = MathUtil::sinDeg(90 + shearY) * scaleY;
                 
-                if (_data.getTransformMode() != TransformMode_NoScaleOrReflection ? pa * pd - pb * pc < 0 : _skeleton.isFlipX() != _skeleton.isFlipY())
+                if (_data.getTransformMode() != TransformMode_NoScaleOrReflection ? pa * pd - pb * pc < 0 : _skeleton.getFlipX() != _skeleton.getFlipY())
                 {
                     zb = -zb;
                     zd = -zd;
@@ -238,16 +238,16 @@ namespace Spine
             }
         }
         
-        if (_skeleton.isFlipX())
+        if (_skeleton.getFlipX())
         {
             _a = -_a;
             _b = -_b;
         }
         
-        if (skeleton.isFlipY() != Bone::isYDown())
+        if (skeleton.getFlipY() != Bone::isYDown())
         {
-            c = -c;
-            d = -d;
+            _c = -_c;
+            _d = -_d;
         }
     }
     

spine-cpp/spine-cpp/src/spine/BoneData.cpp

@@ -62,7 +62,7 @@ namespace Spine
         return _name;
     }
     
-    const BoneData* BoneData::getParent()
+    BoneData* BoneData::getParent()
     {
         return _parent;
     }

spine-cpp/spine-cpp/src/spine/CurveTimeline.cpp

@@ -48,7 +48,7 @@ namespace Spine
     
     int CurveTimeline::getFrameCount()
     {
-        return _curves.size() / BEZIER_SIZE + 1;
+        return static_cast<int>(_curves.size() / BEZIER_SIZE + 1);
     }
     
     void CurveTimeline::setLinear(int frameIndex)

spine-cpp/spine-cpp/src/spine/IkConstraint.cpp

@@ -28,7 +28,333 @@
 * POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/
 
+#include <spine/IkConstraint.h>
+
+#include <spine/IkConstraintData.h>
+#include <spine/Skeleton.h>
+#include <spine/Bone.h>
+
+#include <spine/BoneData.h>
+#include <spine/MathUtil.h>
+
 namespace Spine
 {
-    // TODO
+    void IkConstraint::apply(Bone& bone, float targetX, float targetY, float alpha)
+    {
+        if (!bone._appliedValid)
+        {
+            bone.updateAppliedTransform();
+        }
+        
+        Bone* parent = bone.getParent();
+        Bone p = *parent;
+        
+        float id = 1 / (p._a * p._d - p._b * p._c);
+        float x = targetX - p._worldX, y = targetY - p._worldY;
+        float tx = (x * p._d - y * p._b) * id - bone._ax, ty = (y * p._a - x * p._c) * id - bone._ay;
+        float rotationIK = (float)atan2(ty, tx) * RadDeg - bone._ashearX - bone._arotation;
+        
+        if (bone._ascaleX < 0)
+        {
+            rotationIK += 180;
+        }
+        
+        if (rotationIK > 180)
+        {
+            rotationIK -= 360;
+        }
+        else if (rotationIK < -180)
+        {
+            rotationIK += 360;
+        }
+        
+        bone.updateWorldTransform(bone._ax, bone._ay, bone._arotation + rotationIK * alpha, bone._ascaleX, bone._ascaleY, bone._ashearX, bone._ashearY);
+    }
+    
+    void IkConstraint::apply(Bone& parent, Bone& child, float targetX, float targetY, int bendDir, float alpha)
+    {
+        if (areFloatsPracticallyEqual(alpha, 0))
+        {
+            child.updateWorldTransform();
+            
+            return;
+        }
+        
+        if (!parent._appliedValid)
+        {
+            parent.updateAppliedTransform();
+        }
+        
+        if (!child._appliedValid)
+        {
+            child.updateAppliedTransform();
+        }
+        
+        float px = parent._ax;
+        float py = parent._ay;
+        float psx = parent._ascaleX;
+        float psy = parent._ascaleY;
+        float csx = child._ascaleX;
+        
+        int os1, os2, s2;
+        if (psx < 0)
+        {
+            psx = -psx;
+            os1 = 180;
+            s2 = -1;
+        }
+        else
+        {
+            os1 = 0;
+            s2 = 1;
+        }
+        
+        if (psy < 0)
+        {
+            psy = -psy;
+            s2 = -s2;
+        }
+        
+        if (csx < 0)
+        {
+            csx = -csx;
+            os2 = 180;
+        }
+        else
+        {
+            os2 = 0;
+        }
+        
+        float cx = child._ax;
+        float cy;
+        float cwx;
+        float cwy;
+        float a = parent._a;
+        float b = parent._b;
+        float c = parent._c;
+        float d = parent._d;
+        
+        bool u = fabs(psx - psy) <= 0.0001f;
+        if (!u)
+        {
+            cy = 0;
+            cwx = a * cx + parent._worldX;
+            cwy = c * cx + parent._worldY;
+        }
+        else
+        {
+            cy = child._ay;
+            cwx = a * cx + b * cy + parent._worldX;
+            cwy = c * cx + d * cy + parent._worldY;
+        }
+        
+        Bone* parentparent = parent._parent;
+        Bone pp = *parentparent;
+        
+        a = pp._a;
+        b = pp._b;
+        c = pp._c;
+        d = pp._d;
+        
+        float id = 1 / (a * d - b * c), x = targetX - pp._worldX, y = targetY - pp._worldY;
+        float tx = (x * d - y * b) * id - px, ty = (y * a - x * c) * id - py;
+        x = cwx - pp._worldX;
+        y = cwy - pp._worldY;
+        float dx = (x * d - y * b) * id - px, dy = (y * a - x * c) * id - py;
+        float l1 = (float)sqrt(dx * dx + dy * dy), l2 = child._data.getLength() * csx, a1, a2;
+        if (u)
+        {
+            l2 *= psx;
+            float cos = (tx * tx + ty * ty - l1 * l1 - l2 * l2) / (2 * l1 * l2);
+            if (cos < -1)
+            {
+                cos = -1;
+            }
+            else if (cos > 1)
+            {
+                cos = 1;
+            }
+            
+            a2 = (float)acos(cos) * bendDir;
+            a = l1 + l2 * cos;
+            b = l2 * (float)sin(a2);
+            a1 = (float)atan2(ty * a - tx * b, tx * a + ty * b);
+        }
+        else
+        {
+            a = psx * l2;
+            b = psy * l2;
+            float aa = a * a, bb = b * b, dd = tx * tx + ty * ty, ta = (float)atan2(ty, tx);
+            c = bb * l1 * l1 + aa * dd - aa * bb;
+            float c1 = -2 * bb * l1, c2 = bb - aa;
+            d = c1 * c1 - 4 * c2 * c;
+            if (d >= 0)
+            {
+                float q = (float)sqrt(d);
+                if (c1 < 0) q = -q;
+                q = -(c1 + q) / 2;
+                float r0 = q / c2, r1 = c / q;
+                float r = fabs(r0) < fabs(r1) ? r0 : r1;
+                if (r * r <= dd)
+                {
+                    y = (float)sqrt(dd - r * r) * bendDir;
+                    a1 = ta - (float)atan2(y, r);
+                    a2 = (float)atan2(y / psy, (r - l1) / psx);
+                    
+                    float os = (float)atan2(cy, cx) * s2;
+                    float rotation = parent._arotation;
+                    a1 = (a1 - os) * RadDeg + os1 - rotation;
+                    if (a1 > 180)
+                    {
+                        a1 -= 360;
+                    }
+                    else if (a1 < -180)
+                    {
+                        a1 += 360;
+                    }
+                    
+                    parent.updateWorldTransform(px, py, rotation + a1 * alpha, parent._scaleX, parent._ascaleY, 0, 0);
+                    rotation = child._arotation;
+                    a2 = ((a2 + os) * RadDeg - child._ashearX) * s2 + os2 - rotation;
+                    
+                    if (a2 > 180)
+                    {
+                        a2 -= 360;
+                    }
+                    else if (a2 < -180)
+                    {
+                        a2 += 360;
+                    }
+                    
+                    child.updateWorldTransform(cx, cy, rotation + a2 * alpha, child._ascaleX, child._ascaleY, child._ashearX, child._ashearY);
+                    
+                    return;
+                }
+            }
+            
+            float minAngle = SPINE_PI, minX = l1 - a, minDist = minX * minX, minY = 0;
+            float maxAngle = 0, maxX = l1 + a, maxDist = maxX * maxX, maxY = 0;
+            c = -a * l1 / (aa - bb);
+            if (c >= -1 && c <= 1)
+            {
+                c = (float)acos(c);
+                x = a * (float)cos(c) + l1;
+                y = b * (float)sin(c);
+                d = x * x + y * y;
+                
+                if (d < minDist)
+                {
+                    minAngle = c;
+                    minDist = d;
+                    minX = x;
+                    minY = y;
+                }
+                
+                if (d > maxDist)
+                {
+                    maxAngle = c;
+                    maxDist = d;
+                    maxX = x;
+                    maxY = y;
+                }
+            }
+            
+            if (dd <= (minDist + maxDist) / 2)
+            {
+                a1 = ta - (float)atan2(minY * bendDir, minX);
+                a2 = minAngle * bendDir;
+            }
+            else
+            {
+                a1 = ta - (float)atan2(maxY * bendDir, maxX);
+                a2 = maxAngle * bendDir;
+            }
+        }
+    }
+    
+    IkConstraint::IkConstraint(IkConstraintData& data, Skeleton& skeleton) : Constraint(),
+    _data(data),
+    _mix(data.getMix()),
+    _bendDirection(data.getBendDirection()),
+    _target(skeleton.findBone(data.getTarget()->getName()))
+    {
+        _bones.reserve(_data.getBones().size());
+        for (BoneData** i = _data.getBones().begin(); i != _data.getBones().end(); ++i)
+        {
+            BoneData* boneData = (*i);
+            
+            _bones.push_back(skeleton.findBone(boneData->getName()));
+        }
+    }
+    
+    /// Applies the constraint to the constrained bones.
+    void IkConstraint::apply()
+    {
+        update();
+    }
+    
+    void IkConstraint::update()
+    {
+        switch (_bones.size())
+        {
+            case 1:
+            {
+                Bone* bone0 = _bones[0];
+                apply(*bone0, _target->getWorldX(), _target->getWorldY(), _mix);
+            }
+                break;
+            case 2:
+            {
+                Bone* bone0 = _bones[0];
+                Bone* bone1 = _bones[1];
+                apply(*bone0, *bone1, _target->getWorldX(), _target->getWorldY(), _bendDirection, _mix);
+            }
+                break;
+        }
+    }
+    
+    int IkConstraint::getOrder()
+    {
+        return _data.getOrder();
+    }
+    
+    IkConstraintData& IkConstraint::getData()
+    {
+        return _data;
+    }
+    
+    Vector<Bone*>& IkConstraint::getBones()
+    {
+        return _bones;
+    }
+    
+    Bone* IkConstraint::getTarget()
+    {
+        return _target;
+    }
+    
+    void IkConstraint::setTarget(Bone* inValue)
+    {
+        _target = inValue;
+    }
+    
+    int IkConstraint::getBendDirection()
+    {
+        return _bendDirection;
+    }
+    
+    void IkConstraint::setBendDirection(int inValue)
+    {
+        _bendDirection = inValue;
+    }
+    
+    float IkConstraint::getMix()
+    {
+        return _mix;
+    }
+    
+    void IkConstraint::setMix(float inValue)
+    {
+        _mix = inValue;
+    }
 }

spine-cpp/spine-cpp/src/spine/IkConstraintData.cpp

@@ -30,6 +30,8 @@
 
 #include <spine/IkConstraintData.h>
 
+#include <spine/BoneData.h>
+
 namespace Spine
 {
     IkConstraintData::IkConstraintData(std::string name) :

spine-cpp/spine-cpp/src/spine/PathConstraint.cpp

@@ -28,7 +28,606 @@
 * POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/
 
+#include <spine/PathConstraint.h>
+
+#include <spine/PathConstraintData.h>
+#include <spine/Skeleton.h>
+#include <spine/PathAttachment.h>
+#include <spine/Bone.h>
+#include <spine/Slot.h>
+
+#include <spine/SlotData.h>
+#include <spine/BoneData.h>
+#include <spine/SpacingMode.h>
+#include <spine/PositionMode.h>
+#include <spine/RotateMode.h>
+#include <spine/MathUtil.h>
+
 namespace Spine
 {
-    // TODO
+    const float PathConstraint::EPSILON = 0.00001f;
+    const int PathConstraint::NONE = -1;
+    const int PathConstraint::BEFORE = -2;
+    const int PathConstraint::AFTER = -3;
+    
+    PathConstraint::PathConstraint(PathConstraintData& data, Skeleton& skeleton) : Constraint(),
+    _data(data),
+    _position(data.getPosition()),
+    _spacing(data.getSpacing()),
+    _rotateMix(data.getRotateMix()),
+    _translateMix(data.getTranslateMix()),
+    _target(skeleton.findSlot(data.getTarget()->getName()))
+    {
+        _bones.reserve(_data.getBones().size());
+        for (BoneData** i = _data.getBones().begin(); i != _data.getBones().end(); ++i)
+        {
+            BoneData* boneData = (*i);
+            
+            _bones.push_back(skeleton.findBone(boneData->getName()));
+        }
+        
+        _segments.reserve(10);
+    }
+    
+    void PathConstraint::apply()
+    {
+        update();
+    }
+    
+    void PathConstraint::update()
+    {
+        Attachment* baseAttachment = _target->getAttachment();
+        if (baseAttachment == NULL || !baseAttachment->getRTTI().derivesFrom(PathAttachment::rtti))
+        {
+            return;
+        }
+        
+        PathAttachment* attachment = static_cast<PathAttachment*>(baseAttachment);
+        
+        float rotateMix = _rotateMix;
+        float translateMix = _translateMix;
+        bool translate = translateMix > 0;
+        bool rotate = rotateMix > 0;
+        if (!translate && !rotate)
+        {
+            return;
+        }
+        
+        PathConstraintData data = _data;
+        SpacingMode spacingMode = data.spacingMode;
+        bool lengthSpacing = spacingMode == SpacingMode.Length;
+        RotateMode rotateMode = data.rotateMode;
+        bool tangents = rotateMode == RotateMode_Tangent, scale = rotateMode == RotateMode_ChainScale;
+        int boneCount = _bones.Count, spacesCount = tangents ? boneCount : boneCount + 1;
+        Bone[] bonesItems = _bones.Items;
+        Vector<float> spaces = _spaces.Resize(spacesCount), lengths = NULL;
+        float spacing = _spacing;
+        if (scale || lengthSpacing)
+        {
+            if (scale)
+            {
+                lengths = _lengths.Resize(boneCount);
+            }
+            
+            for (int i = 0, n = spacesCount - 1; i < n;)
+            {
+                Bone bone = bonesItems[i];
+                float setupLength = bone.data.length;
+                if (setupLength < PathConstraint.EPSILON)
+                {
+                    if (scale)
+                    {
+                        lengths.Items[i] = 0;
+                    }
+                    spaces.Items[++i] = 0;
+                }
+                else
+                {
+                    float x = setupLength * bone.a, y = setupLength * bone.c;
+                    float length = (float)Math.Sqrt(x * x + y * y);
+                    if (scale)
+                    {
+                        lengths.Items[i] = length;
+                    }
+                    spaces.Items[++i] = (lengthSpacing ? setupLength + spacing : spacing) * length / setupLength;
+                }
+            }
+        }
+        else
+        {
+            for (int i = 1; i < spacesCount; ++i)
+            {
+                spaces.Items[i] = spacing;
+            }
+        }
+        
+        float[] positions = computeWorldPositions(attachment, spacesCount, tangents, data.positionMode == PositionMode_Percent, spacingMode == SpacingMode_Percent);
+        float boneX = positions[0], boneY = positions[1], offsetRotation = data.offsetRotation;
+        bool tip;
+        if (offsetRotation == 0)
+        {
+            tip = rotateMode == RotateMode_Chain;
+        }
+        else
+        {
+            tip = false;
+            Bone p = target.bone;
+            offsetRotation *= p.a * p.d - p.b * p.c > 0 ? DegRad : -DegRad;
+        }
+        
+        for (int i = 0, p = 3; i < boneCount; i++, p += 3)
+        {
+            Bone bone = bonesItems[i];
+            bone.worldX += (boneX - bone.worldX) * translateMix;
+            bone.worldY += (boneY - bone.worldY) * translateMix;
+            float x = positions[p], y = positions[p + 1], dx = x - boneX, dy = y - boneY;
+            if (scale)
+            {
+                float length = lengths.Items[i];
+                if (length >= PathConstraint.EPSILON)
+                {
+                    float s = ((float)Math.Sqrt(dx * dx + dy * dy) / length - 1) * rotateMix + 1;
+                    bone.a *= s;
+                    bone.c *= s;
+                }
+            }
+            
+            boneX = x;
+            boneY = y;
+            
+            if (rotate)
+            {
+                float a = bone.a, b = bone.b, c = bone.c, d = bone.d, r, cos, sin;
+                if (tangents)
+                {
+                    r = positions[p - 1];
+                }
+                else if (spaces.Items[i + 1] < PathConstraint.EPSILON)
+                {
+                    r = positions[p + 2];
+                }
+                else
+                {
+                    r = MathUtil::atan2(dy, dx);
+                }
+                
+                r -= MathUtil::atan2(c, a);
+                
+                if (tip)
+                {
+                    cos = MathUtil::cos(r);
+                    sin = MathUtil::sin(r);
+                    float length = bone.data.length;
+                    boneX += (length * (cos * a - sin * c) - dx) * rotateMix;
+                    boneY += (length * (sin * a + cos * c) - dy) * rotateMix;
+                }
+                else
+                {
+                    r += offsetRotation;
+                }
+                
+                if (r > SPINE_PI)
+                {
+                    r -= SPINE_PI_2;
+                }
+                else if (r < -SPINE_PI)
+                {
+                    r += SPINE_PI_2;
+                }
+                
+                r *= rotateMix;
+                cos = MathUtil::cos(r);
+                sin = MathUtil::sin(r);
+                bone.a = cos * a - sin * c;
+                bone.b = cos * b - sin * d;
+                bone.c = sin * a + cos * c;
+                bone.d = sin * b + cos * d;
+            }
+            bone.appliedValid = false;
+        }
+    }
+    
+    int PathConstraint::getOrder()
+    {
+        return _data.getOrder();
+    }
+    
+    float PathConstraint::getPosition()
+    {
+        return _position;
+    }
+    
+    void PathConstraint::setPosition(float inValue)
+    {
+        _position = inValue;
+    }
+    
+    float PathConstraint::getSpacing()
+    {
+        return _spacing;
+    }
+    
+    void PathConstraint::setSpacing(float inValue)
+    {
+        _spacing = inValue;
+    }
+    
+    float PathConstraint::getRotateMix()
+    {
+        return _rotateMix;
+    }
+    
+    void PathConstraint::setRotateMix(float inValue)
+    {
+        _rotateMix = inValue;
+    }
+    
+    float PathConstraint::getTranslateMix()
+    {
+        return _translateMix;
+    }
+    
+    void PathConstraint::setTranslateMix(float inValue)
+    {
+        _translateMix = inValue;
+    }
+    
+    Vector<Bone*>& PathConstraint::getBones()
+    {
+        return _bones;
+    }
+    
+    Slot* PathConstraint::getTarget()
+    {
+        return _target;
+    }
+    
+    void PathConstraint::setTarget(Slot* inValue)
+    {
+        _target = inValue;
+    }
+    
+    PathConstraintData& PathConstraint::getData()
+    {
+        return _data;
+    }
+    
+    Vector<float> PathConstraint::computeWorldPositions(PathAttachment& path, int spacesCount, bool tangents, bool percentPosition, bool percentSpacing)
+    {
+        Slot target = *_target;
+        float position = _position;
+        float[] spacesItems = _spaces.Items, output = _positions.Resize(spacesCount * 3 + 2).Items, world;
+        bool closed = path.Closed;
+        int verticesLength = path.WorldVerticesLength, curveCount = verticesLength / 6, prevCurve = NONE;
+        
+        float pathLength;
+        if (!path.ConstantSpeed)
+        {
+            float[] lengths = path.Lengths;
+            curveCount -= closed ? 1 : 2;
+            pathLength = lengths[curveCount];
+            if (percentPosition)
+            {
+                position *= pathLength;
+            }
+            
+            if (percentSpacing)
+            {
+                for (int i = 0; i < spacesCount; ++i)
+                {
+                    spacesItems[i] *= pathLength;
+                }
+            }
+            
+            world = _world.Resize(8).Items;
+            for (int i = 0, o = 0, curve = 0; i < spacesCount; i++, o += 3)
+            {
+                float space = spacesItems[i];
+                position += space;
+                float p = position;
+                
+                if (closed)
+                {
+                    p %= pathLength;
+                    if (p < 0)
+                    {
+                        p += pathLength;
+                    }
+                    curve = 0;
+                }
+                else if (p < 0)
+                {
+                    if (prevCurve != BEFORE)
+                    {
+                        prevCurve = BEFORE;
+                        path.ComputeWorldVertices(target, 2, 4, world, 0);
+                    }
+                    
+                    addBeforePosition(p, world, 0, output, o);
+                    
+                    continue;
+                }
+                else if (p > pathLength)
+                {
+                    if (prevCurve != AFTER)
+                    {
+                        prevCurve = AFTER;
+                        path.ComputeWorldVertices(target, verticesLength - 6, 4, world, 0);
+                    }
+                    
+                    addAfterPosition(p - pathLength, world, 0, output, o);
+                    
+                    continue;
+                }
+                
+                // Determine curve containing position.
+                for (;; curve++)
+                {
+                    float length = lengths[curve];
+                    if (p > length)
+                    {
+                        continue;
+                    }
+                    
+                    if (curve == 0)
+                    {
+                        p /= length;
+                    }
+                    else
+                    {
+                        float prev = lengths[curve - 1];
+                        p = (p - prev) / (length - prev);
+                    }
+                    break;
+                }
+                
+                if (curve != prevCurve)
+                {
+                    prevCurve = curve;
+                    if (closed && curve == curveCount)
+                    {
+                        path.ComputeWorldVertices(target, verticesLength - 4, 4, world, 0);
+                        path.ComputeWorldVertices(target, 0, 4, world, 4);
+                    }
+                    else
+                    {
+                        path.ComputeWorldVertices(target, curve * 6 + 2, 8, world, 0);
+                    }
+                }
+                
+                addCurvePosition(p, world[0], world[1], world[2], world[3], world[4], world[5], world[6], world[7], output, o, tangents || (i > 0 && space < EPSILON));
+            }
+            return output;
+        }
+        
+        // World vertices.
+        if (closed)
+        {
+            verticesLength += 2;
+            world = _world.Resize(verticesLength).Items;
+            path.ComputeWorldVertices(target, 2, verticesLength - 4, world, 0);
+            path.ComputeWorldVertices(target, 0, 2, world, verticesLength - 4);
+            world[verticesLength - 2] = world[0];
+            world[verticesLength - 1] = world[1];
+        }
+        else
+        {
+            curveCount--;
+            verticesLength -= 4;
+            world = _world.Resize(verticesLength).Items;
+            path.ComputeWorldVertices(target, 2, verticesLength, world, 0);
+        }
+        
+        // Curve lengths.
+        float[] curves = _curves.Resize(curveCount).Items;
+        pathLength = 0;
+        float x1 = world[0], y1 = world[1], cx1 = 0, cy1 = 0, cx2 = 0, cy2 = 0, x2 = 0, y2 = 0;
+        float tmpx, tmpy, dddfx, dddfy, ddfx, ddfy, dfx, dfy;
+        for (int i = 0, w = 2; i < curveCount; i++, w += 6)
+        {
+            cx1 = world[w];
+            cy1 = world[w + 1];
+            cx2 = world[w + 2];
+            cy2 = world[w + 3];
+            x2 = world[w + 4];
+            y2 = world[w + 5];
+            tmpx = (x1 - cx1 * 2 + cx2) * 0.1875f;
+            tmpy = (y1 - cy1 * 2 + cy2) * 0.1875f;
+            dddfx = ((cx1 - cx2) * 3 - x1 + x2) * 0.09375f;
+            dddfy = ((cy1 - cy2) * 3 - y1 + y2) * 0.09375f;
+            ddfx = tmpx * 2 + dddfx;
+            ddfy = tmpy * 2 + dddfy;
+            dfx = (cx1 - x1) * 0.75f + tmpx + dddfx * 0.16666667f;
+            dfy = (cy1 - y1) * 0.75f + tmpy + dddfy * 0.16666667f;
+            pathLength += (float)Math.Sqrt(dfx * dfx + dfy * dfy);
+            dfx += ddfx;
+            dfy += ddfy;
+            ddfx += dddfx;
+            ddfy += dddfy;
+            pathLength += (float)Math.Sqrt(dfx * dfx + dfy * dfy);
+            dfx += ddfx;
+            dfy += ddfy;
+            pathLength += (float)Math.Sqrt(dfx * dfx + dfy * dfy);
+            dfx += ddfx + dddfx;
+            dfy += ddfy + dddfy;
+            pathLength += (float)Math.Sqrt(dfx * dfx + dfy * dfy);
+            curves[i] = pathLength;
+            x1 = x2;
+            y1 = y2;
+        }
+        
+        if (percentPosition)
+        {
+            position *= pathLength;
+        }
+        
+        if (percentSpacing)
+        {
+            for (int i = 0; i < spacesCount; ++i)
+            {
+                spacesItems[i] *= pathLength;
+            }
+        }
+        
+        float[] segments = _segments;
+        float curveLength = 0;
+        for (int i = 0, o = 0, curve = 0, segment = 0; i < spacesCount; i++, o += 3)
+        {
+            float space = spacesItems[i];
+            position += space;
+            float p = position;
+            
+            if (closed)
+            {
+                p %= pathLength;
+                if (p < 0)
+                {
+                    p += pathLength;
+                }
+                curve = 0;
+            }
+            else if (p < 0)
+            {
+                addBeforePosition(p, world, 0, output, o);
+                continue;
+            }
+            else if (p > pathLength)
+            {
+                addAfterPosition(p - pathLength, world, verticesLength - 4, output, o);
+                continue;
+            }
+            
+            // Determine curve containing position.
+            for (;; curve++)
+            {
+                float length = curves[curve];
+                if (p > length)
+                {
+                    continue;
+                }
+                
+                if (curve == 0)
+                {
+                    p /= length;
+                }
+                else
+                {
+                    float prev = curves[curve - 1];
+                    p = (p - prev) / (length - prev);
+                }
+                break;
+            }
+            
+            // Curve segment lengths.
+            if (curve != prevCurve)
+            {
+                prevCurve = curve;
+                int ii = curve * 6;
+                x1 = world[ii];
+                y1 = world[ii + 1];
+                cx1 = world[ii + 2];
+                cy1 = world[ii + 3];
+                cx2 = world[ii + 4];
+                cy2 = world[ii + 5];
+                x2 = world[ii + 6];
+                y2 = world[ii + 7];
+                tmpx = (x1 - cx1 * 2 + cx2) * 0.03f;
+                tmpy = (y1 - cy1 * 2 + cy2) * 0.03f;
+                dddfx = ((cx1 - cx2) * 3 - x1 + x2) * 0.006f;
+                dddfy = ((cy1 - cy2) * 3 - y1 + y2) * 0.006f;
+                ddfx = tmpx * 2 + dddfx;
+                ddfy = tmpy * 2 + dddfy;
+                dfx = (cx1 - x1) * 0.3f + tmpx + dddfx * 0.16666667f;
+                dfy = (cy1 - y1) * 0.3f + tmpy + dddfy * 0.16666667f;
+                curveLength = (float)Math.Sqrt(dfx * dfx + dfy * dfy);
+                segments[0] = curveLength;
+                for (ii = 1; ii < 8; ii++)
+                {
+                    dfx += ddfx;
+                    dfy += ddfy;
+                    ddfx += dddfx;
+                    ddfy += dddfy;
+                    curveLength += (float)Math.Sqrt(dfx * dfx + dfy * dfy);
+                    segments[ii] = curveLength;
+                }
+                dfx += ddfx;
+                dfy += ddfy;
+                curveLength += (float)Math.Sqrt(dfx * dfx + dfy * dfy);
+                segments[8] = curveLength;
+                dfx += ddfx + dddfx;
+                dfy += ddfy + dddfy;
+                curveLength += (float)Math.Sqrt(dfx * dfx + dfy * dfy);
+                segments[9] = curveLength;
+                segment = 0;
+            }
+            
+            // Weight by segment length.
+            p *= curveLength;
+            for (;; segment++)
+            {
+                float length = segments[segment];
+                if (p > length)
+                {
+                    continue;
+                }
+                
+                if (segment == 0)
+                {
+                    p /= length;
+                }
+                else
+                {
+                    float prev = segments[segment - 1];
+                    p = segment + (p - prev) / (length - prev);
+                }
+                break;
+            }
+            addCurvePosition(p * 0.1f, x1, y1, cx1, cy1, cx2, cy2, x2, y2, output, o, tangents || (i > 0 && space < EPSILON));
+        }
+        
+        return output;
+    }
+    
+    void PathConstraint::addBeforePosition(float p, Vector<float>& temp, int i, Vector<float>& output, int o)
+    {
+        float x1 = temp[i];
+        float y1 = temp[i + 1];
+        float dx = temp[i + 2] - x1;
+        float dy = temp[i + 3] - y1;
+        float r = MathUtil::atan2(dy, dx);
+        
+        output[o] = x1 + p * MathUtil::cos(r);
+        output[o + 1] = y1 + p * MathUtil::sin(r);
+        output[o + 2] = r;
+    }
+    
+    void PathConstraint::addAfterPosition(float p, Vector<float>& temp, int i, Vector<float>& output, int o)
+    {
+        float x1 = temp[i + 2];
+        float y1 = temp[i + 3];
+        float dx = x1 - temp[i];
+        float dy = y1 - temp[i + 1];
+        float r = MathUtil::atan2(dy, dx);
+        output[o] = x1 + p * MathUtil::cos(r);
+        output[o + 1] = y1 + p * MathUtil::sin(r);
+        output[o + 2] = r;
+    }
+    
+    void PathConstraint::addCurvePosition(float p, float x1, float y1, float cx1, float cy1, float cx2, float cy2, float x2, float y2, Vector<float>& output, int o, bool tangents)
+    {
+        if (p < EPSILON || float.IsNaN(p))
+        {
+            p = EPSILON;
+        }
+        
+        float tt = p * p, ttt = tt * p, u = 1 - p, uu = u * u, uuu = uu * u;
+        float ut = u * p, ut3 = ut * 3, uut3 = u * ut3, utt3 = ut3 * p;
+        float x = x1 * uuu + cx1 * uut3 + cx2 * utt3 + x2 * ttt, y = y1 * uuu + cy1 * uut3 + cy2 * utt3 + y2 * ttt;
+        output[o] = x;
+        output[o + 1] = y;
+        if (tangents)
+        {
+            output[o + 2] = (float)Math.Atan2(y - (y1 * uu + cy1 * ut * 2 + cy2 * tt), x - (x1 * uu + cx1 * ut * 2 + cx2 * tt));
+        }
+    }
 }

spine-cpp/spine-cpp/src/spine/Skeleton.cpp

@@ -40,6 +40,14 @@
 #include <spine/Skin.h>
 #include <spine/Attachment.h>
 
+#include <spine/BoneData.h>
+#include <spine/SlotData.h>
+#include <spine/IkConstraintData.h>
+#include <spine/TransformConstraintData.h>
+#include <spine/PathConstraintData.h>
+
+#include <spine/ContainerUtil.h>
+
 namespace Spine
 {
     Skeleton::Skeleton(SkeletonData& data) :
@@ -56,61 +64,78 @@ namespace Spine
     _y(0)
     {
         _bones.reserve(_data.getBones().size());
-        
-        foreach (BoneData boneData in _data.getBones())
+        for (BoneData** i = _data.getBones().begin(); i != _data.getBones().end(); ++i)
         {
-            Bone bone;
-            if (boneData.parent == NULL)
+            BoneData* data = (*i);
+            
+            Bone* bone;
+            if (data->getParent() == NULL)
             {
-                bone = new Bone(boneData, this, NULL);
+                bone = new Bone(*data, *this, NULL);
             }
             else
             {
-                Bone parent = bones.Items[boneData.parent.index];
-                bone = new Bone(boneData, this, parent);
-                parent.children.Add(bone);
+                Bone* parent = _bones[data->getParent()->getIndex()];
+                bone = new Bone(*data, *this, parent);
+                parent->getChildren().push_back(bone);
             }
             
-            bones.Add(bone);
+            _bones.push_back(bone);
         }
         
         _slots.reserve(_data.getSlots().size());
         _drawOrder.reserve(_data.getSlots().size());
-        
-        foreach (SlotData slotData in data.slots)
+        for (SlotData** i = _data.getSlots().begin(); i != _data.getSlots().end(); ++i)
         {
-            Bone bone = bones.Items[slotData.boneData.index];
-            Slot slot = new Slot(slotData, bone);
-            slots.Add(slot);
-            drawOrder.Add(slot);
+            SlotData* data = (*i);
+            
+            Bone* bone = _bones[data->getBoneData().getIndex()];
+            Slot* slot = new Slot(*data, *bone);
+            
+            _slots.push_back(slot);
+            _drawOrder.push_back(slot);
         }
         
-        ikConstraints = new Vector<IkConstraint>(data.ikConstraints.Count);
-        
-        foreach (IkConstraintData ikConstraintData in data.ikConstraints)
+        _ikConstraints.reserve(_data.getIkConstraints().size());
+        for (IkConstraintData** i = _data.getIkConstraints().begin(); i != _data.getIkConstraints().end(); ++i)
         {
-            ikConstraints.Add(new IkConstraint(ikConstraintData, this));
+            IkConstraintData* data = (*i);
+            
+            _ikConstraints.push_back(new IkConstraint(*data, *this));
         }
         
-        transformConstraints = new Vector<TransformConstraint>(data.transformConstraints.Count);
-        foreach (TransformConstraintData transformConstraintData in data.transformConstraints)
+        _transformConstraints.reserve(_data.getTransformConstraints().size());
+        for (TransformConstraintData** i = _data.getTransformConstraints().begin(); i != _data.getTransformConstraints().end(); ++i)
         {
-            transformConstraints.Add(new TransformConstraint(transformConstraintData, this));
+            TransformConstraintData* data = (*i);
+            
+            _transformConstraints.push_back(new TransformConstraint(*data, *this));
         }
         
-        pathConstraints = new Vector<PathConstraint> (data.pathConstraints.Count);
-        foreach (PathConstraintData pathConstraintData in data.pathConstraints)
+        _pathConstraints.reserve(_data.getPathConstraints().size());
+        for (PathConstraintData** i = _data.getPathConstraints().begin(); i != _data.getPathConstraints().end(); ++i)
         {
-            pathConstraints.Add(new PathConstraint(pathConstraintData, this));
+            PathConstraintData* data = (*i);
+            
+            _pathConstraints.push_back(new PathConstraint(*data, *this));
         }
         
         updateCache();
         updateWorldTransform();
     }
     
+    Skeleton::~Skeleton()
+    {
+        ContainerUtil::cleanUpVectorOfPointers(_bones);
+        ContainerUtil::cleanUpVectorOfPointers(_slots);
+        ContainerUtil::cleanUpVectorOfPointers(_ikConstraints);
+        ContainerUtil::cleanUpVectorOfPointers(_transformConstraints);
+        ContainerUtil::cleanUpVectorOfPointers(_pathConstraints);
+    }
+    
     void Skeleton::updateCache()
     {
-        Vector<IUpdatable> updateCache = _updateCache;
+        Vector<Updatable> updateCache = _updateCache;
         updateCache.Clear();
         _updateCacheReset.Clear();
         

spine-cpp/spine-cpp/src/spine/SkeletonData.cpp

@@ -39,6 +39,8 @@
 #include <spine/TransformConstraintData.h>
 #include <spine/PathConstraintData.h>
 
+#include <spine/ContainerUtil.h>
+
 #include <assert.h>
 
 namespace Spine
@@ -54,244 +56,206 @@ namespace Spine
     
     BoneData* SkeletonData::findBone(std::string boneName)
     {
-        assert(boneName.length() > 0);
-        
-        for (BoneData** i = _bones.begin(); i != _bones.end(); ++i)
-        {
-            BoneData* boneData = (*i);
-            if (boneData->getName() == boneName)
-            {
-                return boneData;
-            }
-        }
-        
-        return NULL;
+        return ContainerUtil::findWithName(_bones, boneName);
     }
     
     int SkeletonData::findBoneIndex(std::string boneName)
     {
-        assert(boneName.length() > 0);
-        
-        var bones = this.bones;
-        var bonesItems = bones.Items;
-        for (int i = 0, n = bones.Count; i < n; ++i)
-        {
-            if (bonesItems[i].name == boneName)
-            {
-                return i;
-            }
-        }
-        
-        return -1;
+        return ContainerUtil::findIndexWithName(_bones, boneName);
     }
     
-    /// Use a template findWithName method instead to reduce redundant data container traversal code
     SlotData* SkeletonData::findSlot(std::string slotName)
     {
-        assert(slotName.length() > 0);
-        
-        Vector<SlotData> slots = this.slots;
-        for (int i = 0, n = slots.Count; i < n; ++i)
-        {
-            SlotData slot = slots.Items[i];
-            if (slot.name == slotName)
-            {
-                return slot;
-            }
-        }
-        
-        return NULL;
+        return ContainerUtil::findWithName(_slots, slotName);
     }
     
     int SkeletonData::findSlotIndex(std::string slotName)
     {
-        assert(slotName.length() > 0);
-        
-        Vector<SlotData> slots = this.slots;
-        for (int i = 0, n = slots.Count; i < n; ++i)
-        {
-            if (slots.Items[i].name == slotName)
-            {
-                return i;
-            }
-        }
-        
-        return -1;
+        return ContainerUtil::findIndexWithName(_slots, slotName);
     }
     
     Skin* SkeletonData::findSkin(std::string skinName)
     {
-        assert(skinName.length() > 0);
-        
-        foreach (Skin skin in skins)
-        {
-            if (skin.name == skinName)
-            {
-                return skin;
-            }
-        }
-        
-        return NULL;
+        return ContainerUtil::findWithName(_skins, skinName);
     }
     
     EventData* SkeletonData::findEvent(std::string eventDataName)
     {
-        assert(eventDataName.length() > 0);
-        
-        foreach (EventData eventData in events)
-        {
-            if (eventData.name == eventDataName)
-            {
-                return eventData;
-            }
-        }
-        
-        return NULL;
+        return ContainerUtil::findWithName(_events, eventDataName);
     }
     
     Animation* SkeletonData::findAnimation(std::string animationName)
     {
-        assert(animationName.length() > 0);
-        
-        Vector<Animation*> animations = this.animations;
-        for (int i = 0, n = animations.Count; i < n; ++i)
-        {
-            Animation animation = animations.Items[i];
-            if (animation.name == animationName)
-            {
-                return animation;
-            }
-        }
-        
-        return NULL;
+        return ContainerUtil::findWithName(_animations, animationName);
     }
     
     IkConstraintData* SkeletonData::findIkConstraint(std::string constraintName)
     {
-        assert(constraintName.length() > 0);
-        
-        Vector<IkConstraintData> ikConstraints = this.ikConstraints;
-        for (int i = 0, n = ikConstraints.Count; i < n; ++i)
-        {
-            IkConstraintData ikConstraint = ikConstraints.Items[i];
-            if (ikConstraint.name == constraintName)
-            {
-                return ikConstraint;
-            }
-        }
-        
-        return NULL;
+        return ContainerUtil::findWithName(_ikConstraints, constraintName);
     }
     
     TransformConstraintData* SkeletonData::findTransformConstraint(std::string constraintName)
     {
-        assert(constraintName.length() > 0);
-        
-        Vector<TransformConstraintData> transformConstraints = this.transformConstraints;
-        for (int i = 0, n = transformConstraints.Count; i < n; ++i)
-        {
-            TransformConstraintData transformConstraint = transformConstraints.Items[i];
-            if (transformConstraint.name == constraintName)
-            {
-                return transformConstraint;
-            }
-        }
-        
-        return NULL;
+        return ContainerUtil::findWithName(_transformConstraints, constraintName);
     }
     
     PathConstraintData* SkeletonData::findPathConstraint(std::string constraintName)
     {
-        assert(constraintName.length() > 0);
-        
-        Vector<PathConstraintData> pathConstraints = this.pathConstraints;
-        for (int i = 0, n = pathConstraints.Count; i < n; ++i)
-        {
-            PathConstraintData constraint = pathConstraints.Items[i];
-            if (constraint.name.Equals(constraintName))
-            {
-                return constraint;
-            }
-        }
-        
-        return NULL;
+        return ContainerUtil::findWithName(_pathConstraints, constraintName);
     }
     
     int SkeletonData::findPathConstraintIndex(std::string pathConstraintName)
     {
-        assert(pathConstraintName.length() > 0);
-        
-        Vector<PathConstraintData> pathConstraints = this.pathConstraints;
-        for (int i = 0, n = pathConstraints.Count; i < n; ++i)
-        {
-            if (pathConstraints.Items[i].name.Equals(pathConstraintName))
-            {
-                return i;
-            }
-        }
-        
-        return -1;
+        return ContainerUtil::findIndexWithName(_pathConstraints, pathConstraintName);
     }
     
-    std::string SkeletonData::getName() { return _name; }
+    std::string SkeletonData::getName()
+    {
+        return _name;
+    }
     
-    void SkeletonData::setName(std::string inValue) { _name = inValue; }
+    void SkeletonData::setName(std::string inValue)
+    {
+        _name = inValue;
+    }
     
-    Vector<BoneData*>& SkeletonData::getBones() { return _bones; }
+    Vector<BoneData*>& SkeletonData::getBones()
+    {
+        return _bones;
+    }
     
-    Vector<SlotData*>& SkeletonData::getSlots() { return _slots; }
+    Vector<SlotData*>& SkeletonData::getSlots()
+    {
+        return _slots;
+    }
     
-    Vector<Skin*>& SkeletonData::getSkins() { return _skins; }
+    Vector<Skin*>& SkeletonData::getSkins()
+    {
+        return _skins;
+    }
     
-    void SkeletonData::setSkins(Vector<Skin*>& inValue) { _skins = inValue; }
+    void SkeletonData::setSkins(Vector<Skin*>& inValue)
+    {
+        _skins = inValue;
+    }
     
-    Skin* SkeletonData::getDefaultSkin() { return _defaultSkin; }
+    Skin* SkeletonData::getDefaultSkin()
+    {
+        return _defaultSkin;
+    }
     
-    void SkeletonData::setDefaultSkin(Skin* inValue) { _defaultSkin = inValue; }
+    void SkeletonData::setDefaultSkin(Skin* inValue)
+    {
+        _defaultSkin = inValue;
+    }
     
-    Vector<EventData*>& SkeletonData::getEvents() { return _events; }
+    Vector<EventData*>& SkeletonData::getEvents()
+    {
+        return _events;
+    }
     
-    void SkeletonData::setEvents(Vector<EventData*>& inValue) { _events = inValue; }
+    void SkeletonData::setEvents(Vector<EventData*>& inValue)
+    {
+        _events = inValue;
+    }
     
-    Vector<Animation*>& SkeletonData::getAnimations() { return _animations; }
+    Vector<Animation*>& SkeletonData::getAnimations()
+    {
+        return _animations;
+    }
     
-    void SkeletonData::setAnimations(Vector<Animation*>& inValue) { _animations = inValue; }
+    void SkeletonData::setAnimations(Vector<Animation*>& inValue)
+    {
+        _animations = inValue;
+    }
     
-    Vector<IkConstraintData*>& SkeletonData::getIkConstraints() { return _ikConstraints; }
+    Vector<IkConstraintData*>& SkeletonData::getIkConstraints()
+    {
+        return _ikConstraints;
+    }
     
-    void SkeletonData::setIkConstraints(Vector<IkConstraintData*>& inValue) { _ikConstraints = inValue; }
+    void SkeletonData::setIkConstraints(Vector<IkConstraintData*>& inValue)
+    {
+        _ikConstraints = inValue;
+    }
     
-    Vector<TransformConstraintData*>& SkeletonData::getTransformConstraints() { return _transformConstraints; }
+    Vector<TransformConstraintData*>& SkeletonData::getTransformConstraints()
+    {
+        return _transformConstraints;
+    }
     
-    void SkeletonData::setTransformConstraints(Vector<TransformConstraintData*>& inValue) { _transformConstraints = inValue; }
+    void SkeletonData::setTransformConstraints(Vector<TransformConstraintData*>& inValue)
+    {
+        _transformConstraints = inValue;
+    }
     
-    Vector<PathConstraintData*>& SkeletonData::getPathConstraints() { return _pathConstraints; }
+    Vector<PathConstraintData*>& SkeletonData::getPathConstraints()
+    {
+        return _pathConstraints;
+    }
     
-    void SkeletonData::setPathConstraints(Vector<PathConstraintData*>& inValue) { _pathConstraints = inValue; }
+    void SkeletonData::setPathConstraints(Vector<PathConstraintData*>& inValue)
+    {
+        _pathConstraints = inValue;
+    }
     
-    float SkeletonData::getWidth() { return _width; }
+    float SkeletonData::getWidth()
+    {
+        return _width;
+    }
     
-    void SkeletonData::setWidth(float inValue) { _width = inValue; }
+    void SkeletonData::setWidth(float inValue)
+    {
+        _width = inValue;
+    }
     
-    float SkeletonData::getHeight() { return _height; }
+    float SkeletonData::getHeight()
+    {
+        return _height;
+    }
     
-    void SkeletonData::setHeight(float inValue) { _height = inValue; }
+    void SkeletonData::setHeight(float inValue)
+    {
+        _height = inValue;
+    }
     
-    /// The Spine version used to export this data, or NULL.
-    std::string SkeletonData::getVersion() { return _version; }
+    std::string SkeletonData::getVersion()
+    {
+        return _version;
+    }
     
-    void SkeletonData::setVersion(std::string inValue) { _version = inValue; }
+    void SkeletonData::setVersion(std::string inValue)
+    {
+        _version = inValue;
+    }
     
-    std::string SkeletonData::getHash() { return _hash; }
+    std::string SkeletonData::getHash()
+    {
+        return _hash;
+    }
     
-    void SkeletonData::setHash(std::string inValue) { _hash = inValue; }
+    void SkeletonData::setHash(std::string inValue)
+    {
+        _hash = inValue;
+    }
     
-    std::string SkeletonData::getImagesPath() { return _imagesPath; }
+    std::string SkeletonData::getImagesPath()
+    {
+        return _imagesPath;
+    }
     
-    void SkeletonData::setImagesPath(std::string inValue) { _imagesPath = inValue; }
+    void SkeletonData::setImagesPath(std::string inValue)
+    {
+        _imagesPath = inValue;
+    }
     
-    /// The dopesheet FPS in Spine. Available only when nonessential data was exported.
-    float SkeletonData::getFps { return _fps; }
+    float SkeletonData::getFps()
+    {
+        return _fps;
+    }
     
-    void SkeletonData::setFps(float inValue) { _fps = inValue; }
+    void SkeletonData::setFps(float inValue)
+    {
+        _fps = inValue;
+    }
 }

spine-cpp/spine-cpp/src/spine/Skin.cpp

@@ -114,7 +114,7 @@ namespace Spine
         for (HashMap<AttachmentKey, Attachment*, HashAttachmentKey>::Iterator i = oldSkin.getAttachments().begin(); i != oldSkin.getAttachments().end(); ++i)
         {
             int slotIndex = i.first()._slotIndex;
-            Slot* slot = skeleton.getSlots().at(slotIndex);
+            Slot* slot = skeleton.getSlots()[slotIndex];
             
             if (slot->getAttachment() == i.second())
             {

spine-cpp/spine-cpp/src/spine/TransformConstraint.cpp

@@ -28,7 +28,421 @@
 * POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/
 
+#include <spine/TransformConstraint.h>
+
+#include <spine/TransformConstraintData.h>
+#include <spine/Skeleton.h>
+#include <spine/Bone.h>
+
+#include <spine/BoneData.h>
+#include <spine/MathUtil.h>
+
 namespace Spine
 {
-    // TODO
+    TransformConstraint::TransformConstraint(TransformConstraintData& data, Skeleton& skeleton) : Constraint(),
+    _data(data),
+    _rotateMix(data.getRotateMix()),
+    _translateMix(data.getTranslateMix()),
+    _scaleMix(data.getScaleMix()),
+    _shearMix(data.getShearMix()),
+    _target(skeleton.findBone(data.getTarget()->getName()))
+    {
+        _bones.reserve(_data.getBones().size());
+        for (BoneData** i = _data.getBones().begin(); i != _data.getBones().end(); ++i)
+        {
+            BoneData* boneData = (*i);
+            
+            _bones.push_back(skeleton.findBone(boneData->getName()));
+        }
+    }
+    
+    void TransformConstraint::apply()
+    {
+        update();
+    }
+    
+    void TransformConstraint::update()
+    {
+        if (_data.isLocal())
+        {
+            if (_data.isRelative())
+            {
+                applyRelativeLocal();
+            }
+            else
+            {
+                applyAbsoluteLocal();
+            }
+        }
+        else
+        {
+            if (_data.isRelative())
+            {
+                applyRelativeWorld();
+            }
+            else
+            {
+                applyAbsoluteWorld();
+            }
+        }
+    }
+    
+    int TransformConstraint::getOrder()
+    {
+        return _data.getOrder();
+    }
+    
+    TransformConstraintData& TransformConstraint::getData()
+    {
+        return _data;
+    }
+    
+    Vector<Bone*>& TransformConstraint::getBones()
+    {
+        return _bones;
+    }
+    
+    Bone* TransformConstraint::getTarget()
+    {
+        return _target;
+    }
+    
+    void TransformConstraint::setTarget(Bone* inValue)
+    {
+        _target = inValue;
+    }
+    
+    float TransformConstraint::getRotateMix()
+    {
+        return _rotateMix;
+    }
+    
+    void TransformConstraint::setRotateMix(float inValue)
+    {
+        _rotateMix = inValue;
+    }
+    
+    float TransformConstraint::getTranslateMix()
+    {
+        return _translateMix;
+    }
+    
+    void TransformConstraint::setTranslateMix(float inValue)
+    {
+        _translateMix = inValue;
+    }
+    
+    float TransformConstraint::getScaleMix()
+    {
+        return _scaleMix;
+    }
+    
+    void TransformConstraint::setScaleMix(float inValue)
+    {
+        _scaleMix = inValue;
+    }
+    
+    float TransformConstraint::getShearMix()
+    {
+        return _shearMix;
+    }
+    
+    void TransformConstraint::setShearMix(float inValue)
+    {
+        _shearMix = inValue;
+    }
+    
+    void TransformConstraint::applyAbsoluteWorld()
+    {
+        float rotateMix = _rotateMix, translateMix = _translateMix, scaleMix = _scaleMix, shearMix = _shearMix;
+        Bone target = *_target;
+        float ta = target._a, tb = target._b, tc = target._c, td = target._d;
+        float degRadReflect = ta * td - tb * tc > 0 ? DegRad : -DegRad;
+        float offsetRotation = _data._offsetRotation * degRadReflect, offsetShearY = _data._offsetShearY * degRadReflect;
+        
+        for (Bone** i = _bones.begin(); i != _bones.end(); ++i)
+        {
+            Bone* item = (*i);
+            Bone& bone = *item;
+            
+            bool modified = false;
+            
+            if (rotateMix != 0)
+            {
+                float a = bone._a, b = bone._b, c = bone._c, d = bone._d;
+                float r = MathUtil::atan2(tc, ta) - MathUtil::atan2(c, a) + offsetRotation;
+                if (r > SPINE_PI)
+                {
+                    r -= SPINE_PI_2;
+                }
+                else if (r < -SPINE_PI)
+                {
+                    r += SPINE_PI_2;
+                }
+                
+                r *= rotateMix;
+                float cos = MathUtil::cos(r), sin = MathUtil::sin(r);
+                bone._a = cos * a - sin * c;
+                bone._b = cos * b - sin * d;
+                bone._c = sin * a + cos * c;
+                bone._d = sin * b + cos * d;
+                modified = true;
+            }
+            
+            if (translateMix != 0)
+            {
+                float tx, ty;
+                target.localToWorld(_data._offsetX, _data._offsetY, tx, ty);
+                bone._worldX += (tx - bone._worldX) * translateMix;
+                bone._worldY += (ty - bone._worldY) * translateMix;
+                modified = true;
+            }
+            
+            if (scaleMix > 0)
+            {
+                float s = (float)sqrt(bone._a * bone._a + bone._c * bone._c);
+                
+                if (s > 0.00001f)
+                {
+                    s = (s + ((float)sqrt(ta * ta + tc * tc) - s + _data._offsetScaleX) * scaleMix) / s;
+                }
+                bone._a *= s;
+                bone._c *= s;
+                s = (float)sqrt(bone._b * bone._b + bone._d * bone._d);
+                
+                if (s > 0.00001f)
+                {
+                    s = (s + ((float)sqrt(tb * tb + td * td) - s + _data._offsetScaleY) * scaleMix) / s;
+                }
+                bone._b *= s;
+                bone._d *= s;
+                modified = true;
+            }
+            
+            if (shearMix > 0)
+            {
+                float b = bone._b, d = bone._d;
+                float by = MathUtil::atan2(d, b);
+                float r = MathUtil::atan2(td, tb) - MathUtil::atan2(tc, ta) - (by - MathUtil::atan2(bone._c, bone._a));
+                if (r > SPINE_PI)
+                {
+                    r -= SPINE_PI_2;
+                }
+                else if (r < -SPINE_PI)
+                {
+                    r += SPINE_PI_2;
+                }
+                
+                r = by + (r + offsetShearY) * shearMix;
+                float s = (float)sqrt(b * b + d * d);
+                bone._b = MathUtil::cos(r) * s;
+                bone._d = MathUtil::sin(r) * s;
+                modified = true;
+            }
+            
+            if (modified)
+            {
+                bone._appliedValid = false;
+            }
+        }
+    }
+    
+    void TransformConstraint::applyRelativeWorld()
+    {
+        float rotateMix = _rotateMix, translateMix = _translateMix, scaleMix = _scaleMix, shearMix = _shearMix;
+        Bone target = *_target;
+        float ta = target._a, tb = target._b, tc = target._c, td = target._d;
+        float degRadReflect = ta * td - tb * tc > 0 ? DegRad : -DegRad;
+        float offsetRotation = _data._offsetRotation * degRadReflect, offsetShearY = _data._offsetShearY * degRadReflect;
+        for (Bone** i = _bones.begin(); i != _bones.end(); ++i)
+        {
+            Bone* item = (*i);
+            Bone& bone = *item;
+            
+            bool modified = false;
+            
+            if (rotateMix != 0)
+            {
+                float a = bone._a, b = bone._b, c = bone._c, d = bone._d;
+                float r = MathUtil::atan2(tc, ta) + offsetRotation;
+                if (r > SPINE_PI)
+                {
+                    r -= SPINE_PI_2;
+                }
+                else if (r < -SPINE_PI)
+                {
+                    r += SPINE_PI_2;
+                }
+                
+                r *= rotateMix;
+                float cos = MathUtil::cos(r), sin = MathUtil::sin(r);
+                bone._a = cos * a - sin * c;
+                bone._b = cos * b - sin * d;
+                bone._c = sin * a + cos * c;
+                bone._d = sin * b + cos * d;
+                modified = true;
+            }
+            
+            if (translateMix != 0)
+            {
+                float tx, ty;
+                target.localToWorld(_data._offsetX, _data._offsetY, tx, ty);
+                bone._worldX += tx * translateMix;
+                bone._worldY += ty * translateMix;
+                modified = true;
+            }
+            
+            if (scaleMix > 0)
+            {
+                float s = ((float)sqrt(ta * ta + tc * tc) - 1 + _data._offsetScaleX) * scaleMix + 1;
+                bone._a *= s;
+                bone._c *= s;
+                s = ((float)sqrt(tb * tb + td * td) - 1 + _data._offsetScaleY) * scaleMix + 1;
+                bone._b *= s;
+                bone._d *= s;
+                modified = true;
+            }
+            
+            if (shearMix > 0)
+            {
+                float r = MathUtil::atan2(td, tb) - MathUtil::atan2(tc, ta);
+                if (r > SPINE_PI)
+                {
+                    r -= SPINE_PI_2;
+                }
+                else if (r < -SPINE_PI)
+                {
+                    r += SPINE_PI_2;
+                }
+                
+                float b = bone._b, d = bone._d;
+                r = MathUtil::atan2(d, b) + (r - SPINE_PI / 2 + offsetShearY) * shearMix;
+                float s = (float)sqrt(b * b + d * d);
+                bone._b = MathUtil::cos(r) * s;
+                bone._d = MathUtil::sin(r) * s;
+                modified = true;
+            }
+            
+            if (modified)
+            {
+                bone._appliedValid = false;
+            }
+        }
+    }
+    
+    void TransformConstraint::applyAbsoluteLocal()
+    {
+        float rotateMix = _rotateMix, translateMix = _translateMix, scaleMix = _scaleMix, shearMix = _shearMix;
+        Bone target = *_target;
+        if (!target._appliedValid)
+        {
+            target.updateAppliedTransform();
+        }
+        
+        for (Bone** i = _bones.begin(); i != _bones.end(); ++i)
+        {
+            Bone* item = (*i);
+            Bone& bone = *item;
+            
+            if (!bone._appliedValid)
+            {
+                bone.updateAppliedTransform();
+            }
+            
+            float rotation = bone._arotation;
+            if (rotateMix != 0)
+            {
+                float r = target._arotation - rotation + _data._offsetRotation;
+                r -= (16384 - (int)(16384.499999999996 - r / 360)) * 360;
+                rotation += r * rotateMix;
+            }
+            
+            float x = bone._ax, y = bone._ay;
+            if (translateMix != 0)
+            {
+                x += (target._ax - x + _data._offsetX) * translateMix;
+                y += (target._ay - y + _data._offsetY) * translateMix;
+            }
+            
+            float scaleX = bone._ascaleX, scaleY = bone._ascaleY;
+            if (scaleMix > 0)
+            {
+                if (scaleX > 0.00001f)
+                {
+                    scaleX = (scaleX + (target._ascaleX - scaleX + _data._offsetScaleX) * scaleMix) / scaleX;
+                }
+                
+                if (scaleY > 0.00001f)
+                {
+                    scaleY = (scaleY + (target._ascaleY - scaleY + _data._offsetScaleY) * scaleMix) / scaleY;
+                }
+            }
+            
+            float shearY = bone._ashearY;
+            if (shearMix > 0)
+            {
+                float r = target._ashearY - shearY + _data._offsetShearY;
+                r -= (16384 - (int)(16384.499999999996 - r / 360)) * 360;
+                bone._shearY += r * shearMix;
+            }
+            
+            bone.updateWorldTransform(x, y, rotation, scaleX, scaleY, bone._ashearX, shearY);
+        }
+    }
+    
+    void TransformConstraint::applyRelativeLocal()
+    {
+        float rotateMix = _rotateMix, translateMix = _translateMix, scaleMix = _scaleMix, shearMix = _shearMix;
+        Bone target = *_target;
+        if (!target._appliedValid)
+        {
+            target.updateAppliedTransform();
+        }
+        
+        for (Bone** i = _bones.begin(); i != _bones.end(); ++i)
+        {
+            Bone* item = (*i);
+            Bone& bone = *item;
+            
+            if (!bone._appliedValid)
+            {
+                bone.updateAppliedTransform();
+            }
+            
+            float rotation = bone._arotation;
+            if (rotateMix != 0)
+            {
+                rotation += (target._arotation + _data._offsetRotation) * rotateMix;
+            }
+            
+            float x = bone._ax, y = bone._ay;
+            if (translateMix != 0)
+            {
+                x += (target._ax + _data._offsetX) * translateMix;
+                y += (target._ay + _data._offsetY) * translateMix;
+            }
+            
+            float scaleX = bone._ascaleX, scaleY = bone._ascaleY;
+            if (scaleMix > 0)
+            {
+                if (scaleX > 0.00001f)
+                {
+                    scaleX *= ((target._ascaleX - 1 + data.offsetScaleX) * scaleMix) + 1;
+                }
+                
+                if (scaleY > 0.00001f)
+                {
+                    scaleY *= ((target._ascaleY - 1 + data.offsetScaleY) * scaleMix) + 1;
+                }
+            }
+            
+            float shearY = bone._ashearY;
+            if (shearMix > 0)
+            {
+                shearY += (target._ashearY + data.offsetShearY) * shearMix;
+            }
+            
+            bone.updateWorldTransform(x, y, rotation, scaleX, scaleY, bone._ashearX, shearY);
+        }
+    }
 }

spine-cpp/spine-cpp/src/spine/VertexAttachment.cpp

@@ -0,0 +1,163 @@
+/******************************************************************************
+* 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.
+*****************************************************************************/
+
+#include <spine/VertexAttachment.h>
+
+#include <spine/Slot.h>
+
+namespace Spine
+{
+    VertexAttachment::VertexAttachment(std::string name) : Attachment(name), _id(getNextID()), _worldVerticesLength(0)
+    {
+        // Empty
+    }
+    
+    void VertexAttachment::computeWorldVertices(Slot& slot, Vector<float>& worldVertices)
+    {
+        computeWorldVertices(slot, 0, _worldVerticesLength, worldVertices, 0);
+    }
+    
+    void VertexAttachment::computeWorldVertices(Slot& slot, int start, int count, Vector<float>& worldVertices, int offset, int stride)
+    {
+        count = offset + (count >> 1) * stride;
+        Skeleton skeleton = slot.bone.skeleton;
+        var deformArray = slot.attachmentVertices;
+        Vector<float> vertices = _vertices;
+        Vector<int> bones = _bones;
+        if (bones == NULL)
+        {
+            if (deformArray.Count > 0) vertices = deformArray.Items;
+            Bone bone = slot.bone;
+            float x = bone.worldX, y = bone.worldY;
+            float a = bone.a, b = bone.b, c = bone.c, d = bone.d;
+            for (int vv = start, w = offset; w < count; vv += 2, w += stride)
+            {
+                float vx = vertices[vv], vy = vertices[vv + 1];
+                worldVertices[w] = vx * a + vy * b + x;
+                worldVertices[w + 1] = vx * c + vy * d + y;
+            }
+            return;
+        }
+        
+        int v = 0, skip = 0;
+        for (int i = 0; i < start; i += 2)
+        {
+            int n = bones[v];
+            v += n + 1;
+            skip += n;
+        }
+        
+        var skeletonBones = skeleton.bones.Items;
+        if (deformArray.Count == 0)
+        {
+            for (int w = offset, b = skip * 3; w < count; w += stride)
+            {
+                float wx = 0, wy = 0;
+                int n = bones[v++];
+                n += v;
+                for (; v < n; v++, b += 3)
+                {
+                    Bone bone = skeletonBones[bones[v]];
+                    float vx = vertices[b], vy = vertices[b + 1], weight = vertices[b + 2];
+                    wx += (vx * bone.a + vy * bone.b + bone.worldX) * weight;
+                    wy += (vx * bone.c + vy * bone.d + bone.worldY) * weight;
+                }
+                worldVertices[w] = wx;
+                worldVertices[w + 1] = wy;
+            }
+        }
+        else
+        {
+            Vector<float> deform = deformArray.Items;
+            for (int w = offset, b = skip * 3, f = skip << 1; w < count; w += stride)
+            {
+                float wx = 0, wy = 0;
+                int n = bones[v++];
+                n += v;
+                for (; v < n; v++, b += 3, f += 2)
+                {
+                    Bone bone = skeletonBones[bones[v]];
+                    float vx = vertices[b] + deform[f], vy = vertices[b + 1] + deform[f + 1], weight = vertices[b + 2];
+                    wx += (vx * bone.a + vy * bone.b + bone.worldX) * weight;
+                    wy += (vx * bone.c + vy * bone.d + bone.worldY) * weight;
+                }
+                worldVertices[w] = wx;
+                worldVertices[w + 1] = wy;
+            }
+        }
+    }
+    
+    bool VertexAttachment::applyDeform(VertexAttachment* sourceAttachment)
+    {
+        return this == sourceAttachment;
+    }
+    
+    int VertexAttachment::getId()
+    {
+        return _id;
+    }
+    
+    Vector<int> VertexAttachment::getBones()
+    {
+        return _bones;
+    }
+    
+    void VertexAttachment::setBones(Vector<int> inValue)
+    {
+        _bones = inValue;
+    }
+    
+    Vector<float> VertexAttachment::getVertices()
+    {
+        return _vertices;
+    }
+    
+    void VertexAttachment::setVertices(Vector<float> inValue)
+    {
+        _vertices = inValue;
+    }
+    
+    int VertexAttachment::getWorldVerticesLength()
+    {
+        return _worldVerticesLength;
+    }
+    
+    void VertexAttachment::setWorldVerticesLength(int inValue)
+    {
+        _worldVerticesLength = inValue;
+    }
+    
+    int VertexAttachment::getNextID()
+    {
+        static int nextID = 0;
+        
+        return (nextID++ & 65535) << 11;
+    }
+}