axmol/cocos2dx/sprite_nodes/CCSpriteFrameCache.cpp

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

http://www.cocos2d-x.org

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

#include "ccMacros.h"
#include "CCTextureCache.h"
#include "CCSpriteFrameCache.h"
#include "CCSpriteFrame.h"
#include "CCSprite.h"
#include "support/TransformUtils.h"
#include "CCXFileUtils.h"
#include "NSString.h"

namespace   cocos2d {

static CCSpriteFrameCache *pSharedSpriteFrameCache = NULL;

CCSpriteFrameCache* CCSpriteFrameCache::sharedSpriteFrameCache(void)
{
	if (! pSharedSpriteFrameCache)
	{
		pSharedSpriteFrameCache = new CCSpriteFrameCache();
        pSharedSpriteFrameCache->init();
	}

	return pSharedSpriteFrameCache;
}

void CCSpriteFrameCache::purgeSharedSpriteFrameCache(void)
{
	CCX_SAFE_RELEASE_NULL(pSharedSpriteFrameCache);
}

bool CCSpriteFrameCache::init(void)
{
	m_pSpriteFrames= new NSDictionary<std::string, CCSpriteFrame*>();
	return true;
}

CCSpriteFrameCache::~CCSpriteFrameCache(void)
{
	m_pSpriteFrames->release();
}

void CCSpriteFrameCache::addSpriteFramesWithDictionary(NSDictionary<std::string, NSObject*> *dictionary, CCTexture2D *pobTexture)
{
	/*
	Supported Zwoptex Formats:
		enum {
			ZWTCoordinatesListXMLFormat_Legacy = 0
			ZWTCoordinatesListXMLFormat_v1_0,
		};
	*/

	NSDictionary<std::string, NSObject*> *metadataDict = (NSDictionary<std::string, NSObject*>*)dictionary->objectForKey(std::string("metadata"));
	NSDictionary<std::string, NSObject*> *framesDict = (NSDictionary<std::string, NSObject*>*)dictionary->objectForKey(std::string("frames"));
	int format = 0;

	// get the format
	if(metadataDict != NULL) 
	{
		format = atoi(valueForKey("format", metadataDict));
	}

	// check the format
	if(format < 0 || format > 1) 
	{
		NSAssert(0, "cocos2d: WARNING: format is not supported for CCSpriteFrameCache addSpriteFramesWithDictionary:texture:");
		return;
	}

	framesDict->begin();
	std::string key = "";
	NSDictionary<std::string, NSObject*> *frameDict = NULL;
	while( frameDict = (NSDictionary<std::string, NSObject*>*)framesDict->next(&key) )
	{
		CCSpriteFrame *spriteFrame = m_pSpriteFrames->objectForKey(key);
		if (spriteFrame)
		{
			continue;
		}
		
		if(format == 0) 
		{
			float x = (float)atof(valueForKey("x", frameDict));
			float y = (float)atof(valueForKey("y", frameDict));
			float w = (float)atof(valueForKey("width", frameDict));
			float h = (float)atof(valueForKey("height", frameDict));
			float ox = (float)atof(valueForKey("offsetX", frameDict));
			float oy = (float)atof(valueForKey("offsetY", frameDict));
			int ow = atoi(valueForKey("originalWidth", frameDict));
			int oh = atoi(valueForKey("originalHeight", frameDict));
			// check ow/oh
			if(!ow || !oh)
			{
				CCLOG("cocos2d: WARNING: originalWidth/Height not found on the CCSpriteFrame. AnchorPoint won't work as expected. Regenrate the .plist");
			}
			// abs ow/oh
			ow = abs(ow);
			oh = abs(oh);
			// create frame
			spriteFrame = CCSpriteFrame::frameWithTexture(pobTexture, CGRectMake(x, y, w, h), CGPointMake(ox, oy), CGSizeMake((float)ow, (float)oh));
		} 
		else if(format == 1) 
		{
			/** @todo
			CGRect frame = CGRectFromString([frameDict objectForKey:@"frame"]);
			CGPoint offset = CGPointFromString([frameDict objectForKey:@"offset"]);
			CGSize sourceSize = CGSizeFromString([frameDict objectForKey:@"sourceSize"]);
			
			// create frame
			spriteFrame = [CCSpriteFrame frameWithTexture:texture rect:frame offset:offset originalSize:sourceSize];
			*/
		}
		else
		{
			CCLOG("cocos2d: Unsupported Zwoptex version. Update cocos2d.");
		}
		// add sprite frame
		m_pSpriteFrames->setObject(spriteFrame, key);
	}
}

void CCSpriteFrameCache::addSpriteFramesWithFile(const char *pszPlist, CCTexture2D *pobTexture)
{
	const char *pszPath = CCFileUtils::fullPathFromRelativePath(pszPlist);
	NSDictionary<std::string, NSObject*> *dict = CCFileUtils::dictionaryWithContentsOfFile(pszPath);

	return addSpriteFramesWithDictionary(dict, pobTexture);
}

void CCSpriteFrameCache::addSpriteFramesWithFile(const char *pszPlist)
{
	const char *pszPath = CCFileUtils::fullPathFromRelativePath(pszPlist);
	NSDictionary<std::string, NSObject*> *dict = CCFileUtils::dictionaryWithContentsOfFile(pszPath);
	
	string texturePath = string(pszPlist);

	// remove .xxx
	size_t startPos = texturePath.find_last_of("."); 
	texturePath = texturePath.erase(startPos);

	// append .png
	texturePath = texturePath.append(".png");

	CCTexture2D *pTexture = CCTextureCache::sharedTextureCache()->addImage(texturePath.c_str());

	return addSpriteFramesWithDictionary(dict, pTexture);
}

void CCSpriteFrameCache::addSpriteFrame(CCSpriteFrame *pobFrame, const char *pszFrameName)
{
	m_pSpriteFrames->setObject(pobFrame, std::string(pszFrameName));
}

void CCSpriteFrameCache::removeSpriteFrames(void)
{
	m_pSpriteFrames->removeAllObjects();
}

void CCSpriteFrameCache::removeUnusedSpriteFrames(void)
{
	m_pSpriteFrames->begin();
	std::string key = "";
	CCSpriteFrame *spriteFrame = NULL;
	while( spriteFrame = m_pSpriteFrames->next(&key) )
	{
		if( spriteFrame->retainCount() == 1 ) 
		{
			CCLOG("cocos2d: CCSpriteFrameCache: removing unused frame: %s", key.c_str());
			m_pSpriteFrames->removeObjectForKey(key);
		}
	}
	m_pSpriteFrames->end();
}


void CCSpriteFrameCache::removeSpriteFrameByName(const char *pszName)
{
	m_pSpriteFrames->removeObjectForKey(std::string(pszName));
}

CCSpriteFrame* CCSpriteFrameCache::spriteFrameByName(const char *pszName)
{
	CCSpriteFrame *frame = m_pSpriteFrames->objectForKey(std::string(pszName));
	if( ! frame )
	{
		CCLOG("cocos2d: CCSpriteFrameCache: Frame '%s' not found", pszName);
	}
	return frame;
}

CCSprite* CCSpriteFrameCache::createSpriteWithFrameName(const char *pszName)
{
	CCSpriteFrame *frame = m_pSpriteFrames->objectForKey(std::string(pszName));
	return CCSprite::spriteWithSpriteFrame(frame);
}
const char * CCSpriteFrameCache::valueForKey(const char *key, NSDictionary<std::string, NSObject*> *dict)
{
	if (dict)
	{
		NSString *pString = (NSString*)dict->objectForKey(std::string(key));
		return pString ? pString->m_sString.c_str() : "";
	}
	return "";
}
}//namespace   cocos2d