issue #2790: Deletes Vector::init, adds Vector::setCapacity.

cocos/2d/CCEventDispatcher.cpp

@@ -190,7 +190,8 @@ EventDispatcher::~EventDispatcher()
 void EventDispatcher::visitTarget(Node* node)
 {    
     long i = 0;
-    auto children = node->getChildren();
+    const Vector<Node*>& children = node->getChildren();
+    
     long childrenCount = children.count();
     
     if(childrenCount > 0)

cocos/2d/CCNode.cpp

@@ -586,6 +586,12 @@ const char* Node::description() const
     return String::createWithFormat("<Node | Tag = %d>", _tag)->getCString();
 }
 
+// lazy allocs
+void Node::childrenAlloc(void)
+{
+    _children.setCapacity(4);
+}
+
 Node* Node::getChildByTag(int aTag)
 {
     CCASSERT( aTag != Node::INVALID_TAG, "Invalid tag");
@@ -607,6 +613,11 @@ void Node::addChild(Node *child, int zOrder, int tag)
     CCASSERT( child != NULL, "Argument must be non-nil");
     CCASSERT( child->_parent == NULL, "child already added. It can't be added again");
 
+    if (_children.count() == 0)
+    {
+        this->childrenAlloc();
+    }
+
     this->insertChild(child, zOrder);
     
 #ifdef CC_USE_PHYSICS

cocos/2d/CCNode.h

@@ -1394,6 +1394,9 @@ protected:
     Node();
     virtual ~Node();
     virtual bool init();
+
+    /// lazy allocs
+    void childrenAlloc(void);
     
     /// helper that reorder a child
     void insertChild(Node* child, int z);

cocos/2d/CCParticleBatchNode.cpp

@@ -95,11 +95,7 @@ bool ParticleBatchNode::initWithTexture(Texture2D *tex, int capacity)
     _textureAtlas = new TextureAtlas();
     _textureAtlas->initWithTexture(tex, capacity);
 
-    // no lazy alloc in this node
-    if (_children.count() == 0)
-    {
-        _children.init(capacity);
-    }
+    _children.setCapacity(capacity);
     
     _blendFunc = BlendFunc::ALPHA_PREMULTIPLIED;
 
@@ -211,10 +207,7 @@ long ParticleBatchNode::addChildHelper(ParticleSystem* child, int z, int aTag)
     CCASSERT( child != NULL, "Argument must be non-nil");
     CCASSERT( child->getParent() == NULL, "child already added. It can't be added again");
 
-    if (_children.count() == 0 )
-    {
-        _children.init(4);
-    }
+    _children.setCapacity(4);
 
     //don't use a lazy insert
     long pos = searchNewPositionInChildrenForZ(z);

cocos/2d/CCSpriteBatchNode.cpp

@@ -92,11 +92,8 @@ bool SpriteBatchNode::initWithTexture(Texture2D *tex, long capacity)
 
     updateBlendFunc();
 
-    // no lazy alloc in this node
-    if (_children.count() == 0)
-    {
-        _children.init(capacity);
-    }
+    _children.setCapacity(capacity);
+
     _descendants.reserve(capacity);
 
     setShaderProgram(ShaderCache::getInstance()->getProgram(GLProgram::SHADER_NAME_POSITION_TEXTURE_COLOR));

cocos/base/CCVector.h

@@ -35,15 +35,19 @@ template<class T>
 class CC_DLL Vector
 {
 public:
-    
-    static const long DEFAULT_CAPACTIY = 7;
-    
-    /** creates an emptry Vector */
-    explicit Vector<T>(long capacity=DEFAULT_CAPACTIY)
+
+    Vector<T>()
     : _data()
     {
-        CCLOG("In the default constructor of Vector.");
-        init(capacity);
+        
+    }
+    
+    /** creates an emptry Vector */
+    explicit Vector<T>(long capacity)
+    : _data()
+    {
+        CCLOG("In the default constructor with capacity of Vector.");
+        setCapacity(capacity);
     }
 
     virtual ~Vector<T>() {
@@ -83,11 +87,16 @@ public:
         return getObjectAtIndex(index);
     }
     
-    /** Initializes an array with capacity */
-    bool init(long capacity)
+    /** Sets capacity of current array */
+    void setCapacity(long capacity)
     {
         _data.reserve(capacity);
-        return true;
+    }
+    
+    /** Returns capacity of the array */
+    long getCapacity() const
+    {
+        return _data.capacity();
     }
     
     void copy(const Vector<T>& other)
@@ -96,7 +105,7 @@ public:
             return;
         
         removeAllObjects();
-        init(other.count());
+        setCapacity(other.count());
         addObjectsFromArray(other);
     }
     
@@ -108,12 +117,6 @@ public:
         return _data.size();
     }
     
-    /** Returns capacity of the array */
-    long capacity() const
-    {
-        return _data.capacity();
-    }
-    
     /** Returns index of a certain object, return UINT_MAX if doesn't contain the object */
     long getIndexOfObject(T object) const
     {
@@ -238,7 +241,6 @@ public:
             (*it)->release();
         }
         _data.clear();
-        _data.reserve(DEFAULT_CAPACTIY);
     }
 
     /** Fast way to remove a certain object */

cocos/editor-support/cocostudio/CCBone.cpp

@@ -305,7 +305,7 @@ void Bone::addChildBone(Bone *child)
 
     if(_children.count() == 0)
     {
-        _children.init(4);
+        _children.setCapacity(4);
     }
 
     if (_children.getIndexOfObject(child) == CC_INVALID_INDEX)