axmol/cocos2dx/include/CCAtlasNode.h

106 lines
3.3 KiB
C++

/****************************************************************************
Copyright (c) 2010 cocos2d-x.org
http://www.cocos2d-x.org
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#ifndef __CCATLAS_NODE_H__
#define __CCATLAS_NODE_H__
#include "CCNode.h"
#include "CCProtocols.h"
#include "CCTextureAtlas.h"
/** CCAtlasNode is a subclass of CCNode that implements the CCRGBAProtocol and
CCTextureProtocol protocol
It knows how to render a TextureAtlas object.
If you are going to render a TextureAtlas consider subclassing CCAtlasNode (or a subclass of CCAtlasNode)
All features from CCNode are valid, plus the following features:
- opacity and RGB colors
*/
class CCAtlasNode : public CCNode, public CCRGBAProtocol, public CCTextureProtocol
{
protected:
// chars per row
int m_nItemsPerRow;
// chars per column
int m_nItemsPerColumn;
// texture coordinate x increment
float m_fTexStepX;
// texture coordinate y increment
float m_fTexStepY;
// width of each char
int m_nItemWidth;
// height of each char
int m_nItemHeight;
ccColor3B m_tColorUnmodified;
CCTextureAtlas * m_pTextureAtlas;
// protocol variables
CCX_PROPERTY(bool, m_bIsOpacityModifyRGB, IsOpacityModifyRGB)
CCX_PROPERTY(ccBlendFunc, m_tBlendFunc, BlendFunc);
CCX_PROPERTY(GLubyte, m_cOpacity, Opacity);
CCX_PROPERTY(ccColor3B, m_tColor, Color);
public:
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(const char* 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(const char* tile, int tileWidth, int tileHeight, int itemsToRender);
/** updates the Atlas (indexed vertex array).
* Shall be overriden in subclasses
*/
void updateAtlasValues();
virtual void draw();
// CC Texture protocol
// returns the used texture
virtual CCTexture2D* getTexture(void);
// sets a new texture. it will be retained
virtual void setTexture(CCTexture2D *texture);
private :
void calculateMaxItems();
void calculateTexCoordsSteps();
void updateBlendFunc();
void updateOpacityModifyRGB();
};
#endif // __CCATLAS_NODE_H__