diff --git a/cocos2dx/base_nodes/CCAtlasNode.cpp b/cocos2dx/base_nodes/CCAtlasNode.cpp
index 0eb3c13bad..9a5e67fc79 100644
--- a/cocos2dx/base_nodes/CCAtlasNode.cpp
+++ b/cocos2dx/base_nodes/CCAtlasNode.cpp
@@ -25,44 +25,189 @@ THE SOFTWARE.
 #include "CCAtlasNode.h"
 
 using namespace std;
-
-ccColor3B CCAtlasNode::getColor(void)
-{
-	if(m_bOpacityModifyRGB)
-	{
-		return m_tColorUnmodified;
-	}
 
+
+// implementation CCAtlasNode
+
+// CCAtlasNode - Creation & Init
+
+CCAtlasNode::CCAtlasNode()
+{
+	/// @todo
+}
+
+CCAtlasNode::~CCAtlasNode()
+{
+	/// @todo
+	m_pTextureAtlas->release();
+}
+
+CCAtlasNode * CCAtlasNode::atlasWithTileFile(std::string &tile, int tileWidth, int tileHeight, int itemsToRender)
+{
+	/// @todo
+	CCAtlasNode * pAtlasNode = new CCAtlasNode();
+	pAtlasNode->initWithTileFile(tile, tileWidth, tileHeight, itemsToRender);
+	pAtlasNode->autorelease();
+	return pAtlasNode;
+}
+
+CCAtlasNode * CCAtlasNode::initWithTileFile(std::string &tile, int tileWidth, int tileHeight, int itemsToRender)
+{
+
+	m_nItemWidth = tileWidth;
+	m_nItemHeight = tileHeight;
+
+	m_cOpacity = 255;
+	m_tColor = m_tColorUnmodified = ccWHITE;
+	m_bOpacityModifyRGB = true;
+
+	m_tBlendFunc.src = CC_BLEND_SRC;
+	m_tBlendFunc.dst = CC_BLEND_DST;
+
+	// double retain to avoid the autorelease pool
+	// also, using: self.textureAtlas supports re-initialization without leaking
+	this->m_pTextureAtlas = new CCTextureAtlas();
+	m_pTextureAtlas->initWithFile(tile, itemsToRender);
+
+	this->updateBlendFunc();
+	this->updateOpacityModifyRGB();
+
+	this->calculateMaxItems();
+	this->calculateTexCoordsSteps();
+
+	return this;
+}
+
+
+// CCAtlasNode - Atlas generation
+
+void CCAtlasNode::calculateMaxItems()
+{
+	CGSize s = m_pTextureAtlas->getTexture()->getContentSize();
+	m_nItemsPerColumn = (int)(s.height / m_nItemHeight);
+	m_nItemsPerRow = (int)(s.width / m_nItemWidth);
+}
+
+void CCAtlasNode:: calculateTexCoordsSteps()
+{
+	CCTexture2D *tex = m_pTextureAtlas->getTexture();
+	m_fTexStepX = m_nItemWidth / (float)tex->getPixelsWide();
+	m_fTexStepY = m_nItemHeight / (float)tex->getPixelsHigh();
+}
+
+void CCAtlasNode::updateAtlasValues()
+{
+	NSAssert(false, "CCAtlasNode:Abstract updateAtlasValue not overriden");
+	//[NSException raise:@"CCAtlasNode:Abstract" format:@"updateAtlasValue not overriden"];
+}
+
+// CCAtlasNode - draw
+void CCAtlasNode::draw()
+{
+	// Default GL states: GL_TEXTURE_2D, GL_VERTEX_ARRAY, GL_COLOR_ARRAY, GL_TEXTURE_COORD_ARRAY
+	// Needed states: GL_TEXTURE_2D, GL_VERTEX_ARRAY, GL_TEXTURE_COORD_ARRAY
+	// Unneeded states: GL_COLOR_ARRAY
+	glDisableClientState(GL_COLOR_ARRAY);
+
+	glColor4ub( m_tColor.r, m_tColor.g, m_tColor.b, m_cOpacity);
+
+	bool newBlend = false;
+	if( m_tBlendFunc.src != CC_BLEND_SRC || m_tBlendFunc.dst != CC_BLEND_DST ) 
+	{
+		newBlend = true;
+		glBlendFunc( m_tBlendFunc.src, m_tBlendFunc.dst );
+	}
+
+	m_pTextureAtlas->drawQuads();
+
+	if( newBlend )
+		glBlendFunc(CC_BLEND_SRC, CC_BLEND_DST);
+
+	// is this chepear than saving/restoring color state ?
+	// XXX: There is no need to restore the color to (255,255,255,255). Objects should use the color
+	// XXX: that they need
+	//	glColor4ub( 255, 255, 255, 255);
+
+	// restore default GL state
+	glEnableClientState(GL_COLOR_ARRAY);
+
+}
+
+// CCAtlasNode - RGBA protocol
+
+ccColor3B CCAtlasNode:: color()
+{
+	if(m_bOpacityModifyRGB)
+	{
+		return m_tColorUnmodified;
+	}
 	return m_tColor;
 }
 
 void CCAtlasNode::setColor(ccColor3B color3)
 {
-	m_tColor = m_tColorUnmodified = color3;
-
-	if( m_bOpacityModifyRGB )
-	{
-		m_tColor.r = color3.r * m_cOpacity/255;
-		m_tColor.g = color3.g * m_cOpacity/255;
-		m_tColor.b = color3.b * m_cOpacity/255;
-	}	
+	m_tColor = m_tColorUnmodified = color3;
+
+	if( m_bOpacityModifyRGB )
+	{
+		m_tColor.r = color3.r * m_cOpacity/255;
+		m_tColor.g = color3.g * m_cOpacity/255;
+		m_tColor.b = color3.b * m_cOpacity/255;
+	}	
 }
 
-GLubyte CCAtlasNode::getOpacity()
-{
-	return m_cOpacity;
-}
+GLubyte CCAtlasNode::opacity()
+{
+	return m_cOpacity;
+}
 
 void CCAtlasNode::setOpacity(GLubyte opacity)
 {
-	// special opacity for premultiplied textures
 	m_cOpacity = opacity;
 
-	// special opacity for premultiplied textures
-	// special opacity for premultiplied textures
-	if( m_bOpacityModifyRGB )		  //v0.99.1
-		setColor( m_bOpacityModifyRGB ? m_tColorUnmodified : m_tColor );	 //--> win32 :  alwyas used m_colorUnmodified color. "if" state no required( issue )
-}
+	// special opacity for premultiplied textures
+	if( m_bOpacityModifyRGB )
+		this->setColor(m_bOpacityModifyRGB ? m_tColorUnmodified : m_tColor);
+}
+
+void CCAtlasNode::setOpacityModifyRGB(bool bValue)
+{
+	ccColor3B oldColor	= this->m_tColor;
+	m_bOpacityModifyRGB = bValue;
+	this->m_tColor		= oldColor;
+}
+
+bool CCAtlasNode::doesOpacityModifyRGB()
+{
+	return m_bOpacityModifyRGB;
+}
+
+void CCAtlasNode::updateOpacityModifyRGB()
+{
+	m_bOpacityModifyRGB = m_pTextureAtlas->getTexture()->getHasPremultipliedAlpha();
+}
+
+// CCAtlasNode - CocosNodeTexture protocol
+
+void CCAtlasNode::updateBlendFunc()
+{
+	if( ! m_pTextureAtlas->getTexture()->getHasPremultipliedAlpha() ) {
+		m_tBlendFunc.src = GL_SRC_ALPHA;
+		m_tBlendFunc.dst = GL_ONE_MINUS_SRC_ALPHA;
+	}
+}
+
+void CCAtlasNode::setTexture(CCTexture2D *texture)
+{
+	m_pTextureAtlas->setTexture(texture);
+	this->updateBlendFunc();
+	this->updateOpacityModifyRGB();
+}
+
+CCTexture2D * CCAtlasNode::texture()
+{
+	return m_pTextureAtlas->getTexture();
+}
 
 
 
diff --git a/cocos2dx/base_nodes/CCNode.cpp b/cocos2dx/base_nodes/CCNode.cpp
index ecb1c91189..c095dbd3e3 100644
--- a/cocos2dx/base_nodes/CCNode.cpp
+++ b/cocos2dx/base_nodes/CCNode.cpp
@@ -24,6 +24,7 @@ THE SOFTWARE.
 
 #include "CCNode.h"
 #include "../support/CGPointExtension.h"
+#include "../cocoa/CGGeometry.h"
 
 using namespace std;
 
@@ -600,44 +601,53 @@ void CCNode::draw()
 
 void CCNode::visit()
 {
-	/** @todo
-	if (!visible_)
-		return;
-
+	if (!m_bIsVisible)
+	{
+		return;
+	}
 	glPushMatrix();
 
-	if ( grid_ && grid_.active) {
-		[grid_ beforeDraw];
-		[self transformAncestors];
-	}
+	if (m_pGrid && m_pGrid->isActive())
+	{
+		m_pGrid->beforeDraw();
+		this->transformAncestors();
+	}
+
+	this->transform();
+	
+	if(m_pChildren && m_pChildren->count() > 0)
+	{
+		CCNode* pNode;
+		NSMutableArrayIterator it;
+		for( it = m_pChildren->begin(); it != m_pChildren->end(); it++)
+		{
+			pNode = static_cast<CCNode*>(*it);
 
-	[self transform];
-
-	ccArray *arrayData;
-	int i = 0, nu;
-	if(children_){
-		arrayData = children_->data;
-		nu = arrayData->num;
-		for(;i<nu; i++){
-			CCNode *child = arrayData->arr[i];
-			if ( child.zOrder < 0 )
-				[child visit];
+			if ( pNode && pNode->m_nZOrder < 0 ) 
+			{
+				pNode->visit();
+			}
 			else
+			{
 				break;
+			}
 		}
+
+		this->draw();
+
+		for ( ; it!=m_pChildren->end(); it++ )
+		{
+			pNode = static_cast<CCNode*>(*it);
+			pNode->visit();
+		}		
 	}
 
-	[self draw];
+	if (m_pGrid && m_pGrid->isActive())
+	{
+		m_pGrid->afterDraw(this);
+	}
 
-	if(children_)
-		for (;i<nu; i++)
-			[arrayData->arr[i] visit];
-
-
-	if ( grid_ && grid_.active)
-		[grid_ afterDraw:self];
-
-	glPopMatrix();*/
+	glPopMatrix();
 }
 
 void CCNode::transformAncestors()
@@ -842,83 +852,77 @@ void CCNode::pauseSchedulerAndActions()
 	[[CCActionManager sharedManager] pauseTarget:self];*/
 }
 
-/** @todo
 CGAffineTransform CCNode::nodeToParentTransform(void)
 {
-	if ( isTransformDirty_ ) {
+	if ( m_bIsTransformDirty ) {
 
-		transform_ = CGAffineTransformIdentity;
+		m_tTransform = CGAffineTransformIdentity;
 
-		if ( !isRelativeAnchorPoint_ && !CGPointEqualToPoint(anchorPointInPixels_, CGPointZero) )
-			transform_ = CGAffineTransformTranslate(transform_, anchorPointInPixels_.x, anchorPointInPixels_.y);
+		if( ! m_bIsRelativeAnchorPoint && ! CGPoint::CGPointEqualToPoint(m_tAnchorPointInPixels, CGPointZero) )
+			m_tTransform = CGAffineTransformTranslate(m_tTransform, m_tAnchorPointInPixels.x, m_tAnchorPointInPixels.y);
 
-		if( ! CGPointEqualToPoint(position_, CGPointZero) )
-			transform_ = CGAffineTransformTranslate(transform_, position_.x, position_.y);
-		if( rotation_ != 0 )
-			transform_ = CGAffineTransformRotate(transform_, -CC_DEGREES_TO_RADIANS(rotation_));
-		if( ! (scaleX_ == 1 && scaleY_ == 1) ) 
-			transform_ = CGAffineTransformScale(transform_, scaleX_, scaleY_);
+		if( ! CGPoint::CGPointEqualToPoint(m_tPosition, CGPointZero) )
+			m_tTransform = CGAffineTransformTranslate(m_tTransform, m_tPosition.x, m_tPosition.y);
+		if( m_fRotation != 0 )
+			m_tTransform = CGAffineTransformRotate(m_tTransform, -CC_DEGREES_TO_RADIANS(m_fRotation));
+		if( ! (m_fScaleX == 1 && m_fScaleY == 1) ) 
+			m_tTransform = CGAffineTransformScale(m_tTransform, m_fScaleX, m_fScaleY);
 
-		if( ! CGPointEqualToPoint(anchorPointInPixels_, CGPointZero) )
-			transform_ = CGAffineTransformTranslate(transform_, -anchorPointInPixels_.x, -anchorPointInPixels_.y);
+		if( ! CGPoint::CGPointEqualToPoint(m_tAnchorPointInPixels, CGPointZero) )
+			m_tTransform = CGAffineTransformTranslate(m_tTransform, -m_tAnchorPointInPixels.x, -m_tAnchorPointInPixels.y);
 
-		isTransformDirty_ = NO;
+		m_bIsTransformDirty = false;
 	}
 
-	return transform_;
-}*/
-/** @todo
-- (CGAffineTransform)parentToNodeTransform
+	return m_tTransform;
+}
+
+CGAffineTransform CCNode::parentToNodeTransform(void)
 {
-	if ( isInverseDirty_ ) {
-		inverse_ = CGAffineTransformInvert([self nodeToParentTransform]);
-		isInverseDirty_ = NO;
+	if ( m_bIsInverseDirty ) {
+		m_tInverse = CGAffineTransformInvert(this->nodeToParentTransform());
+		m_bIsInverseDirty = false;
 	}
 
-	return inverse_;
-}*/
-/** @todo
-- (CGAffineTransform)nodeToWorldTransform
-{
-	CGAffineTransform t = [self nodeToParentTransform];
+	return m_tInverse;
+}
 
-	for (CCNode *p = parent_; p != nil; p = p.parent)
-		t = CGAffineTransformConcat(t, [p nodeToParentTransform]);
+CGAffineTransform CCNode::nodeToWorldTransform()
+{
+	CGAffineTransform t = this->nodeToParentTransform();
+
+	for (CCNode *p = m_pParent; p != NULL; p = p->getParent())
+		t = CGAffineTransformConcat(t, p->nodeToParentTransform());
 
 	return t;
-}*/
-/** @todo
-- (CGAffineTransform)worldToNodeTransform
+}
+/** @todo*/
+CGAffineTransform CCNode::worldToNodeTransform(void)
 {
-	return CGAffineTransformInvert([self nodeToWorldTransform]);
-}*/
+	return CGAffineTransformInvert(this->nodeToWorldTransform());
+}
 
 CGPoint CCNode::convertToNodeSpace(CGPoint worldPoint)
 {
-	/// @todo return CGPointApplyAffineTransform(worldPoint, [self worldToNodeTransform]);
-	return CGPoint(0,0);
+	return CGPointApplyAffineTransform(worldPoint, this->worldToNodeTransform());
 }
 
 CGPoint CCNode::convertToWorldSpace(CGPoint nodePoint)
 {
-	/// @todo return CGPointApplyAffineTransform(nodePoint, [self nodeToWorldTransform]);
-	return CGPoint(0,0);
+	return CGPointApplyAffineTransform(nodePoint, this->nodeToWorldTransform());
 }
 
 CGPoint CCNode::convertToNodeSpaceAR(CGPoint worldPoint)
 {
-	/** @todo
-	CGPoint nodePoint = [self convertToNodeSpace:worldPoint];
-	return ccpSub(nodePoint, anchorPointInPixels_);*/
-	return CGPoint(0,0);
+	CGPoint nodePoint = this->convertToNodeSpace(worldPoint);
+	return ccpSub(nodePoint, m_tAnchorPointInPixels);
 }
 
 CGPoint CCNode::convertToWorldSpaceAR(CGPoint nodePoint)
 {
-	/** @todo
-	nodePoint = ccpAdd(nodePoint, anchorPointInPixels_);
-	return [self convertToWorldSpace:nodePoint];*/
-	return CGPoint(0,0);
+	/** @todo*/
+	nodePoint = ccpAdd(nodePoint, m_tAnchorPointInPixels);
+	return this->convertToWorldSpace(nodePoint);
 }
 /** @todo no declare in .h file
 CGPoint CCNode::convertToWindowSpace(CGPoint nodePoint)
diff --git a/cocos2dx/include/CCAtlasNode.h b/cocos2dx/include/CCAtlasNode.h
index 88a3a82440..aa085ebb3f 100644
--- a/cocos2dx/include/CCAtlasNode.h
+++ b/cocos2dx/include/CCAtlasNode.h
@@ -27,6 +27,7 @@ THE SOFTWARE.
 
 #include "CCNode.h"
 #include "CCProtocols.h"
+#include "CCTextureAtlas.h"
 
 /** CCAtlasNode is a subclass of CCNode that implements the CCRGBAProtocol and
 CCTextureProtocol protocol
@@ -57,66 +58,52 @@ protected:
 	int	m_nItemHeight;
 
 	ccColor3B	m_tColorUnmodified;
+
+	// protocol variables
 	bool m_bOpacityModifyRGB;
-
-	/** conforms to CCTextureProtocol protocol */
-	CCX_PROPERTY(CCTextureAtlas *, m_tTextureAtlas, TextureAtlas)
-
-	/** conforms to CCTextureProtocol protocol */
-	CCX_PROPERTY(ccBlendFunc, m_tBlendFunc, BlendFunc)
-
-	/** conforms to CCRGBAProtocol protocol */
-	CCX_PROPERTY(GLubyte, m_cOpacity, Opacity)
-
-	/** conforms to CCRGBAProtocol protocol */
-	CCX_PROPERTY(ccColor3B, m_tColor, Color)
-
-private:
-
-	void calculateMaxItems(void);
-	void calculateTexCoordsSteps(void);
-	void updateBlendFunc(void);
-	void updateOpacityModifyRGB(void);
+	ccBlendFunc m_tBlendFunc;
+	GLubyte m_cOpacity;
+	ccColor3B m_tColor;
+	CCTextureAtlas * m_pTextureAtlas;
 
 public:
-
 	CCAtlasNode();
-
-	virtual ~CCAtlasNode();
+	~CCAtlasNode();
 
 	/** creates a CCAtlasNode  with an Atlas file the width and height of each item and the quantity of items to render*/
-	static CCAtlasNode* atlasWithTileFile(NSString* tile, int tileWidth, int tileHeight, int itemsToRender);
+	static CCAtlasNode * atlasWithTileFile(std::string & tile,int tileWidth, int tileHeight, int itemsToRender);
 
 	/** initializes an CCAtlasNode  with an Atlas file the width and height of each item and the quantity of items to render*/
-	CCAtlasNode* initWithTileFile(NSString* tile, int tileWidth, int tileHeight, int itemsToRender;
+	CCAtlasNode * initWithTileFile(std::string & tile, int tileWidth, int tileHeight, int itemsToRender);
 
 	/** updates the Atlas (indexed vertex array).
 	* Shall be overriden in subclasses
 	*/
-	void updateAtlasValues(void);
+	void updateAtlasValues();
 
-public: //CCNode methods
-	virtual void draw(void);
+	virtual void draw();
 
-public: //CCRGBAProtocol methods
+public:
+	// CC RGBA protocol
+
 	/** sets Color
 	@since v0.8
 	*/
-	virtual void setColor(ccColor3B color) = 0;
+	virtual void setColor(ccColor3B color);
 
 	/** returns the color
 	@since v0.8
 	*/
-	virtual ccColor3B color(void) = 0;
+	virtual ccColor3B color(void);
 
 	// returns the opacity
-	virtual GLubyte opacity(void) = 0;
+	virtual GLubyte opacity(void);
 
 	/** sets the opacity.
 	@warning If the the texture has premultiplied alpha then, the R, G and B channels will be modifed.
 	Values goes from 0 to 255, where 255 means fully opaque.
 	*/
-	virtual void setOpacity(GLubyte opacity) = 0;
+	virtual void setOpacity(GLubyte opacity);
 
 	// optional
 
@@ -126,19 +113,34 @@ public: //CCRGBAProtocol methods
 	Textures with premultiplied alpha will have this property by default on YES. Otherwise the default value is NO
 	@since v0.8
 	*/
-	virtual void setOpacityModifyRGB(bool bValue) {}
+	virtual void setOpacityModifyRGB(bool bValue);
 
 	/** returns whether or not the opacity will be applied using glColor(R,G,B,opacity) or glColor(opacity, opacity, opacity, opacity);
 	@since v0.8
 	*/
-	virtual bool doesOpacityModifyRGB(void) = { return false;}
-
-public: // CCTextureProtocol methods
+	virtual bool doesOpacityModifyRGB(void);
+
+	// CC Blend protocol
+
+	// set the source blending function for the texture
+	virtual void setBlendFunc(ccBlendFunc blendFunc);
+
+	// returns the blending function used for the texture
+	virtual ccBlendFunc blendFunc(void);
+
+	// CC Texture protocol
+
 	// returns the used texture
-	virtual CCTexture2D* texture(void) = 0;
+	virtual CCTexture2D* texture(void);
 
 	// sets a new texture. it will be retained
-	virtual void setTexture(CCTexture2D *texture) {}
+	virtual void setTexture(CCTexture2D *texture);
+
+private :
+	void calculateMaxItems();
+	void calculateTexCoordsSteps();
+	void updateBlendFunc();
+	void updateOpacityModifyRGB();
 
 };
 
diff --git a/cocos2dx/include/CCNode.h b/cocos2dx/include/CCNode.h
index b2c238ec62..73d8c68630 100644
--- a/cocos2dx/include/CCNode.h
+++ b/cocos2dx/include/CCNode.h
@@ -32,6 +32,7 @@ THE SOFTWARE.
 #include "ccMacros.h"
 #include "../CCScheduler.h"
 #include "../cocoa/CGGeometry.h"
+#include "../cocoa/CGAffineTransform.h"
 #include "../cocoa/NSMutableArray.h"
 #include "../cocoa/selector_protocol.h"
 #include "../effects/CCGrid.h"
@@ -97,6 +98,7 @@ Camera:
 
 class CCNode : public NSObject, public SelectorProtocol
 {
+
 	// variable property
 
 	/** The z order of the node relative to it's "brothers": children of the same parent */
@@ -180,6 +182,9 @@ class CCNode : public NSObject, public SelectorProtocol
 	
 protected:
 
+	// transform
+	CGAffineTransform m_tTransform, m_tInverse;
+
 #ifdef	CCX_NODE_TRANSFORM_USING_AFFINE_MATRIX
 	GLfloat	m_pTransformGL[16];
 #endif
@@ -438,22 +443,22 @@ public:
 	/** Returns the local affine transform matrix
 	@since v0.7.1
 	*/
-/// @todo	CGAffineTransform nodeToParentTransform(void);
+	CGAffineTransform nodeToParentTransform(void);
 
 	/** Returns the inverse local affine transform matrix
 	@since v0.7.1
 	*/
-/// @todo	CGAffineTransform parentToNodeTransform(void);
+	CGAffineTransform parentToNodeTransform(void);
 
 	/** Retrusn the world affine transform matrix
 	@since v0.7.1
 	*/
-/// @todo	CGAffineTransform nodeToWorldTransform(void);
+	CGAffineTransform nodeToWorldTransform(void);
 
 	/** Returns the inverse world affine transform matrix
 	@since v0.7.1
 	*/
-/// @todo	CGAffineTransform worldToNodeTransform(void);
+	CGAffineTransform worldToNodeTransform(void);
 
 	/** converts a world coordinate to local coordinate
 	@since v0.7.1
diff --git a/cocos2dx/include/CCPVRTexture.h b/cocos2dx/include/CCPVRTexture.h
index b6dd31fc39..9486b75d2f 100644
--- a/cocos2dx/include/CCPVRTexture.h
+++ b/cocos2dx/include/CCPVRTexture.h
@@ -25,6 +25,8 @@ THE SOFTWARE.
 #ifndef __CCPVRTEXTURE_H__
 #define __CCPVRTEXTURE_H__
 
+#include <string>
+
 //#import <UIKit/UIKit.h>
 #include <GLES/gl.h>
 #include <GLES/glext.h>
@@ -45,9 +47,9 @@ public:
 	CCPVRTexture();
 	~CCPVRTexture();
 
-	CCPVRTexture * initWithContentsOfFile(NSString * path);
+	CCPVRTexture * initWithContentsOfFile(std::string &  path);
 /// @todo	CCPVRTexture * initWithContentsOfURL(NSURL *url);
-	static CCPVRTexture * pvrTextureWithContentsOfFile(NSString *path);
+	static CCPVRTexture * pvrTextureWithContentsOfFile(std::string & path);
 /// @todo	static CCPVRTexture * pvrTextureWithContentsOfURL(NSURL *url);
 
 	CCX_PROPERTY_READONLY(GLuint, m_uName, Name)
diff --git a/cocos2dx/include/CCPageTurnTransition.h b/cocos2dx/include/CCPageTurnTransition.h
index 5a44b5b2ef..6a10bcbcc2 100644
--- a/cocos2dx/include/CCPageTurnTransition.h
+++ b/cocos2dx/include/CCPageTurnTransition.h
@@ -59,7 +59,7 @@ public:
 	* if back is TRUE then the effect is reversed to appear as if the incoming 
 	* scene is being turned from left over the outgoing scene
 	*/
-	CCPageTurnTransition* initWithDurationAndScene(ccTime t,CCScene* scene,bool backwards);
+	virtual CCPageTurnTransition* initWithDurationAndScene(ccTime t,CCScene* scene,bool backwards);
 
 	CCIntervalAction* actionWithSize(ccGridSize vector);
 
diff --git a/cocos2dx/include/CCProtocols.h b/cocos2dx/include/CCProtocols.h
index 69c362ea60..7087e76fb0 100644
--- a/cocos2dx/include/CCProtocols.h
+++ b/cocos2dx/include/CCProtocols.h
@@ -26,7 +26,7 @@ THE SOFTWARE.
 #define __CCPROTOCOLS_H__
 
 #include "ccTypes.h"
-#include "textures/CCTexture2D.h"
+#include "CCTexture2D.h"
 
 #include <string>
 
diff --git a/cocos2dx/include/CCTexture2D.h b/cocos2dx/include/CCTexture2D.h
index 96b0c188e6..d51f66403b 100644
--- a/cocos2dx/include/CCTexture2D.h
+++ b/cocos2dx/include/CCTexture2D.h
@@ -26,13 +26,12 @@ THE SOFTWARE.
 #define __CCTEXTURE2D_H__
 
 #include <GLES/gl.h>
+#include <string>
 
 #include "Cocos2dDefine.h"
 #include "../cocoa/NSObject.h"
 #include "../cocoa/CGGeometry.h"
 
-#include <iostream>
-using namespace std;
 
 //CONSTANTS:
 
@@ -135,9 +134,9 @@ public:
 	Note that the generated textures are of type A8 - use the blending mode (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA).
 	*/
 	/** Initializes a texture from a string with dimensions, alignment, font name and font size */
-	/// @todo CCTexture2D * initWithString(NSString* str, CGSize dimensions, UITextAlignment alignment, NSString* fontName, CGFloat fontSize);
+	/// @todo CCTexture2D * initWithString(string &  str, CGSize dimensions, UITextAlignment alignment, string &  fontName, CGFloat fontSize);
 	/** Initializes a texture from a string with font name and font size */
-	CCTexture2D * initWithString(NSString* str, NSString* fontName, GLfloat fontSize);
+	CCTexture2D * initWithString(std::string &  str, std::string &  fontName, GLfloat fontSize);
 
 	/**
 	Extensions to make it easy to create a CCTexture2D object from a PVRTC file
@@ -146,7 +145,7 @@ public:
 	/** Initializes a texture from a PVRTC buffer */
 	CCTexture2D * initWithPVRTCData(const void* data, int level, int bpp, bool hasAlpha, int length);
 	/** Initializes a texture from a PVRTC file */
-	CCTexture2D * initWithPVRTCFile(NSString* file);
+	CCTexture2D * initWithPVRTCFile(std::string &  file);
 
 	/** sets the min filter, mag filter, wrap s and wrap t texture parameters.
 	If the texture size is NPOT (non power of 2), then in can only use GL_CLAMP_TO_EDGE in GL_TEXTURE_WRAP_{S,T}.
diff --git a/cocos2dx/include/CCTextureAtlas.h b/cocos2dx/include/CCTextureAtlas.h
index 150ac67b30..d3cea12c0e 100644
--- a/cocos2dx/include/CCTextureAtlas.h
+++ b/cocos2dx/include/CCTextureAtlas.h
@@ -69,14 +69,14 @@ public:
 	/** creates a TextureAtlas with an filename and with an initial capacity for Quads.
 	* The TextureAtlas capacity can be increased in runtime.
 	*/
-	static CCTextureAtlas * textureAtlasWithFile(NSString* file , UINT32 capacity);
+	static CCTextureAtlas * textureAtlasWithFile(std::string &  file , UINT32 capacity);
 
 	/** initializes a TextureAtlas with a filename and with a certain capacity for Quads.
 	* The TextureAtlas capacity can be increased in runtime.
 	*
 	* WARNING: Do not reinitialize the TextureAtlas because it will leak memory (issue #706)
 	*/
-	CCTextureAtlas * initWithFile(NSString* file, UINT32 capacity);
+	CCTextureAtlas * initWithFile(std::string &  file, UINT32 capacity);
 
 	/** creates a TextureAtlas with a previously initialized Texture2D object, and
 	* with an initial capacity for n Quads. 
diff --git a/cocos2dx/include/CCTextureCache.h b/cocos2dx/include/CCTextureCache.h
index 4126ad508d..50f4ae68ba 100644
--- a/cocos2dx/include/CCTextureCache.h
+++ b/cocos2dx/include/CCTextureCache.h
@@ -25,11 +25,11 @@ THE SOFTWARE.
 #ifndef __CCTEXTURE_CACHE_H__
 #define __CCTEXTURE_CACHE_H__
 
-#include <iostream>
 #include "../cocoa/NSObject.h"
-#include "../cocoa/NSString.h"
 /// @todo #import <Foundation/Foundation.h>
 /// @todo #import <CoreGraphics/CGImage.h>
+#include <string>
+
 
 class CCTexture2D;
 class CCAsyncObject;
@@ -69,7 +69,7 @@ public:
 	* Otherwise it will return a reference of a previosly loaded image.
 	* Supported image extensions: .png, .bmp, .tiff, .jpeg, .pvr, .gif
 	*/
-	CCTexture2D* addImage(NSString* fileimage);
+	CCTexture2D* addImage(std::string &fileimage);
 
 	/** Returns a Texture2D object given a file image
 	* If the file image was not previously loaded, it will create a new CCTexture2D object and it will return it.
@@ -78,7 +78,7 @@ public:
 	* Supported image extensions: .png, .bmp, .tiff, .jpeg, .pvr, .gif
 	* @since v0.8
 	*/
-	/// @todo -(void) addImageAsync:(NSString*) filename target:(id)target selector:(SEL)selector;
+	/// @todo -(void) addImageAsync:(string & ) filename target:(id)target selector:(SEL)selector;
 
 	void addImageWithAsyncObject(CCAsyncObject* async);
 
@@ -90,13 +90,13 @@ public:
 	* bpp can only be 2 or 4. 2 means more compression but lower quality.
 	* hasAlpha: whether or not the image contains alpha channel
 	*/
-	CCTexture2D* addPVRTCImage(NSString* fileimage, int bpp, bool hasAlpha, int width);
+	CCTexture2D* addPVRTCImage(std::string &fileimage, int bpp, bool hasAlpha, int width);
 
 	/** Returns a Texture2D object given an PVRTC filename
 	* If the file image was not previously loaded, it will create a new CCTexture2D
 	*  object and it will return it. Otherwise it will return a reference of a previosly loaded image
 	*/
-	CCTexture2D* addPVRTCImage(NSString* fileimage);
+	CCTexture2D* addPVRTCImage(std::string &fileimage);
 
 	/** Returns a Texture2D object given an CGImageRef image
 	* If the image was not previously loaded, it will create a new CCTexture2D object and it will return it.
@@ -105,7 +105,7 @@ public:
 	* If "key" is nil, then a new texture will be created each time.
 	* @since v0.8
 	*/
-	/// @todo CGImageRef CCTexture2D* addCGImage(CGImageRef image, NSString * key);
+	/// @todo CGImageRef CCTexture2D* addCGImage(CGImageRef image, string &  key);
 
 	/** Purges the dictionary of loaded textures.
 	* Call this method if you receive the "Memory Warning"
@@ -129,7 +129,7 @@ public:
 	/** Deletes a texture from the cache given a its key name
 	@since v0.99.4
 	*/
-	void removeTextureForKey(NSString* textureKeyName);
+	void removeTextureForKey(std::string &  textureKeyName);
 
 };
 
diff --git a/cocos2dx/include/CCTransition.h b/cocos2dx/include/CCTransition.h
index c3a9145969..4a164e8a97 100644
--- a/cocos2dx/include/CCTransition.h
+++ b/cocos2dx/include/CCTransition.h
@@ -81,7 +81,7 @@ public:
 	static CCTransitionScene * transitionWithDurationAndScene(ccTime t, CCScene *scene);
 
 	/** initializes a transition with duration and incoming scene */
-	CCTransitionScene * initWithDurationAndScene(ccTime t,CCScene* scene);
+	virtual CCTransitionScene * initWithDurationAndScene(ccTime t,CCScene* scene);
 
 	/** called after the transition finishes */
 	void finish(void);
@@ -111,7 +111,7 @@ public:
 	/** creates a base transition with duration and incoming scene */
 	static CCOrientedTransitionScene * transitionWithDurationAndScene(ccTime t,CCScene* scene, tOrientation orientation);
 	/** initializes a transition with duration and incoming scene */
-	CCOrientedTransitionScene * initWithDurationAndScene(ccTime t,CCScene* scene,tOrientation orientation);
+	virtual CCOrientedTransitionScene * initWithDurationAndScene(ccTime t,CCScene* scene,tOrientation orientation);
 };
 
 /** CCRotoZoomTransition:
@@ -368,9 +368,9 @@ public:
 	*/
 	static CCFadeTransition* transitionWithDurationAndColor(ccTime duration,CCScene* scene, ccColor3B color);
 	/** initializes the transition with a duration and with an RGB color */
-	CCFadeTransition* initWithDurationAndColor(ccTime t, CCScene*scene ,ccColor3B color);
+	virtual CCFadeTransition* initWithDurationAndColor(ccTime t, CCScene*scene ,ccColor3B color);
 
-	CCFadeTransition * initWithDurationAndScene(ccTime t,CCScene* scene); 
+	virtual CCFadeTransition * initWithDurationAndScene(ccTime t,CCScene* scene); 
 	virtual void onEnter();
 	virtual void onExit();
 };