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https://github.com/geode-sdk/geode.git
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230 lines
6.7 KiB
C++
230 lines
6.7 KiB
C++
/****************************************************************************
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2008-2010 Ricardo Quesada
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __CCPROTOCOLS_H__
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#define __CCPROTOCOLS_H__
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#include "../include/ccTypes.h"
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#include "../textures/CCTexture2D.h"
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#include <string>
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NS_CC_BEGIN
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/**
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* RGBA protocol that affects CCNode's color and opacity
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* @js NA
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*/
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class CC_DLL CCRGBAProtocol
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{
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// GEODE_FRIEND_MODIFY
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public:
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/**
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* Changes the color with R,G,B bytes
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*
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* @param color Example: ccc3(255,100,0) means R=255, G=100, B=0
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*/
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virtual void setColor(const ccColor3B& color) = 0;
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/**
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* Returns color that is currently used.
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*
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* @return The ccColor3B contains R,G,B bytes.
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*/
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virtual const ccColor3B& getColor(void) = 0;
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/**
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* Returns the displayed color.
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*
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* @return The ccColor3B contains R,G,B bytes.
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*/
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virtual const ccColor3B& getDisplayedColor(void) = 0;
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/**
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* Returns the displayed opacity.
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*
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* @return The opacity of sprite, from 0 ~ 255
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*/
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virtual GLubyte getDisplayedOpacity(void) = 0;
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/**
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* Returns the opacity.
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*
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* The opacity which indicates how transparent or opaque this node is.
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* 0 indicates fully transparent and 255 is fully opaque.
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*
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* @return The opacity of sprite, from 0 ~ 255
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*/
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virtual GLubyte getOpacity(void) = 0;
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/**
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* Changes the opacity.
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*
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* @param value Goes from 0 to 255, where 255 means fully opaque and 0 means fully transparent.
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*/
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virtual void setOpacity(GLubyte opacity) = 0;
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// optional
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/**
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* Changes the OpacityModifyRGB property.
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* If thie property is set to true, then the rendered color will be affected by opacity.
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* Normally, r = r * opacity/255, g = g * opacity/255, b = b * opacity/255.
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*
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* @param bValue true then the opacity will be applied as: glColor(R,G,B,opacity);
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* false then the opacity will be applied as: glColor(opacity, opacity, opacity, opacity);
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*/
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virtual void setOpacityModifyRGB(bool bValue) = 0;
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/**
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* Returns whether or not the opacity will be applied using glColor(R,G,B,opacity)
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* or glColor(opacity, opacity, opacity, opacity)
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*
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* @return Returns opacity modify flag.
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*/
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virtual bool isOpacityModifyRGB(void) = 0;
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/**
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* whether or not color should be propagated to its children.
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*/
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virtual bool isCascadeColorEnabled(void) = 0;
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virtual void setCascadeColorEnabled(bool cascadeColorEnabled) = 0;
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/**
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* recursive method that updates display color
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*/
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virtual void updateDisplayedColor(const ccColor3B& color) = 0;
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/**
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* whether or not opacity should be propagated to its children.
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*/
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virtual bool isCascadeOpacityEnabled(void) = 0;
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virtual void setCascadeOpacityEnabled(bool cascadeOpacityEnabled) = 0;
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/**
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* recursive method that updates the displayed opacity.
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*/
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virtual void updateDisplayedOpacity(GLubyte opacity) = 0;
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};
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/**
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* Specify the blending function according glBlendFunc
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* Please refer to glBlendFunc in OpenGL ES Manual
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* http://www.khronos.org/opengles/sdk/docs/man/xhtml/glBlendFunc.xml for more details.
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* @js NA
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* @lua NA
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*/
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class CC_DLL CCBlendProtocol
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{
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GEODE_FRIEND_MODIFY
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public:
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/**
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* Sets the source blending function.
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*
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* @param blendFunc A structure with source and destination factor to specify pixel arithmetic,
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* e.g. {GL_ONE, GL_ONE}, {GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA}.
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*
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*/
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virtual void setBlendFunc(ccBlendFunc blendFunc) = 0;
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/**
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* Returns the blending function that is currently being used.
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*
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* @return A ccBlendFunc structure with source and destination factor which specified pixel arithmetic.
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*/
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virtual ccBlendFunc getBlendFunc(void) = 0;
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};
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/**
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* CCNode objects that uses a CCTexture2D to render the images.
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* The texture can have a blending function.
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* If the texture has alpha premultiplied the default blending function is:
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* src=GL_ONE dst= GL_ONE_MINUS_SRC_ALPHA
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* else
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* src=GL_SRC_ALPHA dst= GL_ONE_MINUS_SRC_ALPHA
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* But you can change the blending function at any time.
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* @js NA
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*/
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class CC_DLL CCTextureProtocol : public CCBlendProtocol
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{
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GEODE_FRIEND_MODIFY
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public:
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/**
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* Returns the currently used texture
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*
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* @return The texture that is currenlty being used.
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* @lua NA
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*/
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virtual CCTexture2D* getTexture(void) = 0;
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/**
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* Sets a new texuture. It will be retained.
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*
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* @param texture A valid CCTexture2D object, which will be applied to this sprite object.
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* @lua NA
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*/
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virtual void setTexture(CCTexture2D *texture) = 0;
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};
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/**
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* Common interface for Labels
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* @js NA
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* @lua NA
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*/
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class CC_DLL CCLabelProtocol
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{
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GEODE_FRIEND_MODIFY
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public:
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/**
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* Sets a new label using an string
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*
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* @param A null terminated string
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*/
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virtual void setString(const char *label) = 0;
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/**
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* Returns the string that is currently being used in this label
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*
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* @return The string that is currently being used in this label
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*/
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virtual const char* getString(void) = 0;
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};
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/**
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* OpenGL projection protocol
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* @js NA
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* @lua NA
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*/
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class CC_DLL CCDirectorDelegate
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{
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GEODE_FRIEND_MODIFY
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public:
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/**
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* Will be called by CCDirector when the projection is updated, and "custom" projection is used
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*/
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virtual void updateProjection(void) = 0;
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};
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NS_CC_END
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#endif // __CCPROTOCOLS_H__
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