axmol/cocos2dx/include/CCLayer.h

/****************************************************************************
Copyright (c) 2010 cocos2d-x.org

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#ifndef __CCLAYER_H__
#define __CCLAYER_H__

#include "Cocos2dDefine.h"
#include "CCNode.h"
#include "CCProtocols.h"
#include "touch_dispatcher/CCTouchDelegateProtocol.h"

//
// CCLayer
//
/** CCLayer is a subclass of CCNode that implements the TouchEventsDelegate protocol.

All features from CCNode are valid, plus the following new features:
- It can receive iPhone Touches
- It can receive Accelerometer input
*/
/// @todo public UIAccelerometerDelegate
class CCLayer : public CCNode, public CCStandardTouchDelegate, public CCTargetedTouchDelegate//, public UIAccelerometerDelegate
{
public:
	CCLayer();
	virtual ~CCLayer();

	virtual void onEnter();
	virtual void onExit();
	
	/** If isTouchEnabled, this method is called onEnter. Override it to change the
	way CCLayer receives touch events.
	( Default: [[TouchDispatcher sharedDispatcher] addStandardDelegate:self priority:0] )
	Example:
	-(void) registerWithTouchDispatcher
	{
	[[TouchDispatcher sharedDispatcher] addTargetedDelegate:self priority:INT_MIN+1 swallowsTouches:YES];
	}
	@since v0.8.0
	*/
	void registerWithTouchDispatcher(void);

	/** whether or not it will receive Touch events.
	You can enable / disable touch events with this property.
	Only the touches of this node will be affected. This "method" is not propagated to it's children.
	@since v0.8.1
	*/
	CCX_PROPERTY(bool, m_bIsTouchEnabled, IsTouchEnabled)
	/** whether or not it will receive Accelerometer events
	You can enable / disable accelerometer events with this property.
	@since v0.8.1
	*/
	CCX_PROPERTY(bool, m_bIsAccelerometerEnabled, IsAccelerometerEnabled)
};

//
// CCColorLayer
//
/** CCColorLayer is a subclass of CCLayer that implements the CCRGBAProtocol protocol.

All features from CCLayer are valid, plus the following new features:
- opacity
- RGB colors
*/
class CCColorLayer : public CCLayer , public CCRGBAProtocol, public CCBlendProtocol
{
protected:
	GLfloat m_pSquareVertices[4 * 2];
	GLubyte m_pSquareColors[4 * 4];

public:

	CCColorLayer();
	virtual ~CCColorLayer();

	virtual void draw();
	virtual void setContentSize(CGSize var);

	/** creates a CCLayer with color, width and height */
	static CCColorLayer * layerWithColorWidthHeight(ccColor4B color, GLfloat width, GLfloat height);
	/** creates a CCLayer with color. Width and height are the window size. */
	static CCColorLayer * layerWithColor(ccColor4B color);

	/** initializes a CCLayer with color, width and height */
	CCColorLayer * initWithColorWidthHeight(ccColor4B color, GLfloat width, GLfloat height);
	/** initializes a CCLayer with color. Width and height are the window size. */
	CCColorLayer * initWithColor(ccColor4B color);

	/** change width */
	void changeWidth(GLfloat w);
	/** change height */
	void changeHeight(GLfloat h);
	/** change width and height
	@since v0.8
	*/
	void changeWidthAndHeight(GLfloat w ,GLfloat h);

	/** Opacity: conforms to CCRGBAProtocol protocol */
	CCX_PROPERTY(GLubyte, m_cOpacity, Opacity)
	/** Opacity: conforms to CCRGBAProtocol protocol */
	CCX_PROPERTY(ccColor3B, m_tColor, Color)
	/** BlendFunction. Conforms to CCBlendProtocol protocol */
	CCX_PROPERTY(ccBlendFunc, m_tBlendFunc, BlendFunc)

private :
	void updateColor();
};

/** CCMultipleLayer is a CCLayer with the ability to multiplex it's children.
Features:
- It supports one or more children
- Only one children will be active a time
*/
class CCMultiplexLayer : public CCLayer
{
protected:
	unsigned int m_nEnabledLayer;
	NSMutableArray<CCLayer *> * m_pLayers;
public:

	CCMultiplexLayer();
	virtual ~CCMultiplexLayer();

	/** creates a CCMultiplexLayer with one or more layers using a variable argument list. */
	static CCMultiplexLayer * layerWithLayers(CCLayer* layer, ... );
	/** initializes a MultiplexLayer with one or more layers using a variable argument list. */
	CCMultiplexLayer * initWithLayers(CCLayer* layer, va_list params);
	/** switches to a certain layer indexed by n. 
	The current (old) layer will be removed from it's parent with 'cleanup:YES'.
	*/
	void switchTo(unsigned int n);
	/** release the current layer and switches to another layer indexed by n.
	The current (old) layer will be removed from it's parent with 'cleanup:YES'.
	*/
	void switchToAndReleaseMe(unsigned int n);
};

#endif // __CCLAYER_H__