Adding Pool class to be used inside the Triangulator

spine-cpp/spine-cpp/include/spine/Pool.h

@@ -0,0 +1,81 @@
+/******************************************************************************
+ * 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_Pool_h
+#define Spine_Pool_h
+
+#include <spine/Vector.h>
+#include <spine/ContainerUtil.h>
+
+namespace Spine
+{
+    template <typename T>
+    class Pool
+    {
+    public:
+        Pool()
+        {
+            // Empty
+        }
+        
+        ~Pool()
+        {
+            ContainerUtil::cleanUpVectorOfPointers(_objects);
+        }
+        
+        T* obtain()
+        {
+            if (_objects.size() > 0)
+            {
+                T** object = _objects.begin();
+                _objects.erase(0);
+                
+                return *object;
+            }
+            else
+            {
+                return new T();
+            }
+        }
+        
+        void free(T* object)
+        {
+            if (!_objects.contains(object))
+            {
+                _objects.push_back(object);
+            }
+        }
+        
+    private:
+        Vector<T*> _objects;
+    };
+}
+
+#endif /* Spine_Pool_h */

spine-cpp/spine-cpp/include/spine/Triangulator.h

@@ -32,6 +32,7 @@
 #define Spine_Triangulator_h
 
 #include <spine/Vector.h>
+#include <spine/Pool.h>
 
 namespace Spine
 {
@@ -305,15 +306,15 @@ namespace Spine
         }
         
     private:
-        Vector<Vector<float>> convexPolygons;
+        Vector<Vector<float>> _convexPolygons;
-        Vector<Vector<int>> convexPolygonsIndices;
+        Vector<Vector<int>> _convexPolygonsIndices;
         
-        Vector<int> indicesArray;
+        Vector<int> _indicesArray;
-        Vector<bool> isConcaveArray;
+        Vector<bool> _isConcaveArray;
-        Vector<int> triangles;
+        Vector<int> _triangles;
         
-        Pool<Vector<float>> polygonPool;
+        Pool<Vector<float>> _polygonPool;
-        Pool<Vector<int>> polygonIndicesPool;
+        Pool<Vector<int>> _polygonIndicesPool;
         
         static bool isConcave(int index, int vertexCount, Vector<float> vertices, Vector<int> indices)
         {