axmol/cocos2dx/include/CCTMXXMLParser.h

/****************************************************************************
Copyright (c) 2010-2011 cocos2d-x.org
Copyright (c) 2009-2010 Ricardo Quesada
Copyright (c) 2011      Zynga Inc.

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
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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,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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****************************************************************************/


#ifndef __CC_TM_XML_PARSER__
#define __CC_TM_XML_PARSER__
#include "CCArray.h"
#include "CCDictionary.h"
#include "CCGeometry.h"

#include "../platform/CCSAXParser.h"

#include <string>

NS_CC_BEGIN

class CCData;
class CCTMXObjectGroup;

/** @file
* Internal TMX parser
*
* IMPORTANT: These classed should not be documented using doxygen strings
* since the user should not use them.
*
*/

enum {
	TMXLayerAttribNone = 1 << 0,
	TMXLayerAttribBase64 = 1 << 1,
	TMXLayerAttribGzip = 1 << 2,
	TMXLayerAttribZlib = 1 << 3,
};

enum {
	TMXPropertyNone,
	TMXPropertyMap,
	TMXPropertyLayer,
	TMXPropertyObjectGroup,
	TMXPropertyObject,
	TMXPropertyTile
};

typedef enum ccTMXTileFlags_ {
	kCCTMXTileHorizontalFlag		= 0x80000000,
	kCCTMXTileVerticalFlag			= 0x40000000,
	kCCTMXTileDiagonalFlag			= 0x20000000,
	kCCFlipedAll					= (kCCTMXTileHorizontalFlag|kCCTMXTileVerticalFlag|kCCTMXTileDiagonalFlag),
	kCCFlippedMask					= ~(kCCFlipedAll)
} ccTMXTileFlags;

// Bits on the far end of the 32-bit global tile ID (GID's) are used for tile flags

/** @brief CCTMXLayerInfo contains the information about the layers like:
- Layer name
- Layer size
- Layer opacity at creation time (it can be modified at runtime)
- Whether the layer is visible (if it's not visible, then the CocosNode won't be created)

This information is obtained from the TMX file.
*/
class CC_DLL CCTMXLayerInfo : public CCObject
{
	CC_PROPERTY(CCDictionary*, m_pProperties, Properties);
public:
	std::string			m_sName;
	CCSize				m_tLayerSize;
	unsigned int		*m_pTiles;
	bool				m_bVisible;
	unsigned char		m_cOpacity;
	bool				m_bOwnTiles;
	unsigned int		m_uMinGID;
	unsigned int		m_uMaxGID;
	CCPoint				m_tOffset;
public:
	CCTMXLayerInfo();
	virtual ~CCTMXLayerInfo();
};

/** @brief CCTMXTilesetInfo contains the information about the tilesets like:
- Tileset name
- Tilset spacing
- Tileset margin
- size of the tiles
- Image used for the tiles
- Image size

This information is obtained from the TMX file. 
*/
class CC_DLL CCTMXTilesetInfo : public CCObject
{
public:
	std::string		m_sName;
	unsigned int	m_uFirstGid;
	CCSize			m_tTileSize;
	unsigned int	m_uSpacing;
	unsigned int	m_uMargin;
	//! filename containing the tiles (should be spritesheet / texture atlas)
	std::string		m_sSourceImage;
	//! size in pixels of the image
	CCSize			m_tImageSize;
public:
	CCTMXTilesetInfo();
	virtual ~CCTMXTilesetInfo();
	CCRect rectForGID(unsigned int gid);
};

/** @brief CCTMXMapInfo contains the information about the map like:
- Map orientation (hexagonal, isometric or orthogonal)
- Tile size
- Map size

And it also contains:
- Layers (an array of TMXLayerInfo objects)
- Tilesets (an array of TMXTilesetInfo objects)
- ObjectGroups (an array of TMXObjectGroupInfo objects)

This information is obtained from the TMX file.

*/
class CC_DLL CCTMXMapInfo : public CCObject, public CCSAXDelegator
{	
public:	
	/// map orientation
	CC_SYNTHESIZE(int,	m_nOrientation, Orientation);
	/// map width & height
	CC_SYNTHESIZE_PASS_BY_REF(CCSize, m_tMapSize, MapSize);
	/// tiles width & height
	CC_SYNTHESIZE_PASS_BY_REF(CCSize, m_tTileSize, TileSize);
	/// Layers
	CC_PROPERTY(CCArray*, m_pLayers, Layers);
	/// tilesets
	CC_PROPERTY(CCArray*, m_pTilesets, Tilesets);
	/// ObjectGroups
	CC_PROPERTY(CCArray*, m_pObjectGroups, ObjectGroups);
	/// parent element
	CC_SYNTHESIZE(int, m_nParentElement, ParentElement);
	/// parent GID
	CC_SYNTHESIZE(unsigned int, m_uParentGID, ParentGID);
	/// layer attribs
	CC_SYNTHESIZE(int, m_nLayerAttribs, LayerAttribs);
	/// is stroing characters?
	CC_SYNTHESIZE(bool, m_bStoringCharacters, StoringCharacters);
	/// properties
	CC_PROPERTY(CCDictionary*, m_pProperties, Properties);
public:	
	CCTMXMapInfo();
	virtual ~CCTMXMapInfo();
	/** creates a TMX Format with a tmx file */
	static CCTMXMapInfo * formatWithTMXFile(const char *tmxFile);
	/** creates a TMX Format with an XML string and a TMX resource path */
	static CCTMXMapInfo * formatWithXML(const char* tmxString, const char* resourcePath);
	/** initializes a TMX format witha  tmx file */
	bool initWithTMXFile(const char *tmxFile);
	/** initializes a TMX format with an XML string and a TMX resource path */
	bool initWithXML(const char* tmxString, const char* resourcePath);
	/** initalises parsing of an XML file, either a tmx (Map) file or tsx (Tileset) file */
	bool parseXMLFile(const char *xmlFilename);
	/* initalises parsing of an XML string, either a tmx (Map) string or tsx (Tileset) string */
	bool parseXMLString(const char *xmlString);
	/* handles the work of parsing for parseXMLFile: and parseXMLString: */
	bool parseXMLData(const CCData* data);

	CCDictionary* getTileProperties();
	void setTileProperties(CCDictionary* tileProperties);

	// implement pure virtual methods of CCSAXDelegator
	void startElement(void *ctx, const char *name, const char **atts);
	void endElement(void *ctx, const char *name);
	void textHandler(void *ctx, const char *ch, int len);
	
	inline const char* getCurrentString(){ return m_sCurrentString.c_str(); }
	inline void setCurrentString(const char *currentString){ m_sCurrentString = currentString; }
	inline const char* getTMXFileName(){ return m_sTMXFileName.c_str(); }
	inline void setTMXFileName(const char *fileName){ m_sTMXFileName = fileName; }
private:
	void internalInit(const char* tmxFileName, const char* resourcePath);
protected:
	//! tmx filename
	std::string m_sTMXFileName;
	// tmx resource path
	std::string m_sResources;
	//! current string
	std::string m_sCurrentString;
	//! tile properties
	CCDictionary* m_pTileProperties;
};

NS_CC_END

#endif