axmol/cocos2dx/sprite_nodes/CCSpriteFrameCache.cpp

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

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****************************************************************************/

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

using namespace std;

static CCSpriteFrameCache *pSharedSpriteFrameCache = NULL;

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

	return pSharedSpriteFrameCache;
}

void CCSpriteFrameCache::purgeSharedSpriteFrameCache(void)
{
	pSharedSpriteFrameCache->release();
	pSharedSpriteFrameCache = NULL;
}

CCSpriteFrameCache* CCSpriteFrameCache::init(void)
{
	m_pSpriteFramesMap = new map<string, CCSpriteFrame*>();
	return this;
}

CCSpriteFrameCache::~CCSpriteFrameCache(void)
{
	pSharedSpriteFrameCache->release();
	delete m_pSpriteFramesMap;
}

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

	map<string, void*>::iterator metadataIter = pobDictionary->find("metadata");
	map<string, string> *pMetadataMap = NULL;
	if (metadataIter != pobDictionary->end())
	{
		pMetadataMap = static_cast<map<string, string>*>(metadataIter->second);
	}

	map<string, void*>::iterator framesIter = pobDictionary->find("frames");
	map<string ,void*> *pFramesMap = NULL;
	if (framesIter != pobDictionary->end())
	{
		pFramesMap = static_cast<map<string, void*>*>(framesIter->second);
	}
	int format = 0;

	// get the format
	if (pMetadataMap)
	{
		map<string, string>::iterator formatIter = pMetadataMap->find("format");
		if (formatIter != pMetadataMap->end())
		{
			format = atoi(formatIter->second.c_str());
		}
	}

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

	
	map<string, void*>::iterator frameIter;
	map<string, string> *pFrame;
	string key;
	for (frameIter = pFramesMap->begin(); frameIter != pFramesMap->end(); ++frameIter)
	{
		// skip registered frames
		key = frameIter->first;
		CCSpriteFrame *pOldFrame = m_pSpriteFramesMap->find(key)->second;
		if (pOldFrame)
		{
			continue;
		}

		CCSpriteFrame *pSpriteFrame;
		pFrame = static_cast<map<string, string>*>(frameIter->second);
		if (format == 0)
		{
			/*
			float x = (float)atof(pFrameDict->objectForKey("x").c_str());
			float y = (float)atof(pFrameDict->objectForKey("y").c_str());
			float w = (float)atof(pFrameDict->objectForKey("width").c_str());
			float h = (float)atof(pFrameDict->objectForKey("height").c_str());
			float ox = (float)atof(pFrameDict->objectForKey("offsetX").c_str());
			float oy = (float)atof(pFrameDict->objectForKey("offsetY").c_str());
			int ow = (int)atof(pFrameDict->objectForKey("originalWidth").c_str());
			int oh = (int)atof(pFrameDict->objectForKey("originalHeight").c_str());
			*/

			float x = (float)atof(pFrame->find("x")->second.c_str());
			float y = (float)atof(pFrame->find("y")->second.c_str());
			float w = (float)atof(pFrame->find("width")->second.c_str());
			float h = (float)atof(pFrame->find("height")->second.c_str());
			float ox = (float)atof(pFrame->find("offsetX")->second.c_str());
			float oy = (float)atof(pFrame->find("offsetY")->second.c_str());
			int ow = (int)atof(pFrame->find("originalWidth")->second.c_str());
			int oh = (int)atof(pFrame->find("originalHeight")->second.c_str());



			// 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
			pSpriteFrame = CCSpriteFrame::frameWithTexture(pobTexture, 
				CGRectMake(x, y, w, h), CGPointMake(ox, oy), CGSizeMake((float)ow, (float)oh));
		} else
		if (format == 1)
		{
			///@todo how to implement??
			/*
			CGRect frame = CGRectFromString([frameDict objectForKey:@"frame"]);
			CGPoint offset = CGPointFromString([frameDict objectForKey:@"offset"]);
			CGSize sourceSize = CGSizeFromString([frameDict objectForKey:@"sourceSize"]);
			
			CGRect sourceColorRect = CGRectFromString([frameDict objectForKey:@"sourceColorRect"]);
			int leftTrim = sourceColorRect.origin.x;
			int topTrim = sourceColorRect.origin.y;
			int rightTrim = sourceColorRect.size.width + leftTrim;
			int bottomTrim = sourceColorRect.size.height + topTrim;
			
			// create frame
			spriteFrame = [CCSpriteFrame frameWithTexture:texture rect:frame offset:offset originalSize:sourceSize];
			*/
		}

		(*m_pSpriteFramesMap)[key] = pSpriteFrame;
	}
}

///@todo implement later
/*
void CCSpriteFrameCache::addSpriteFramesWithFile(const char *pszPlist, CCTexture2D *pobTexture)
{
	char *pszPath = CCFileUtils::fullPathFromRelativePath(pszPlist);
	
}
*/

///@todo implement later
void CCSpriteFrameCache::addSpriteFramesWithFile(const char *pszPlist)
{
}

void CCSpriteFrameCache::addSpriteFrame(CCSpriteFrame *pobFrame, const char *pszFrameName)
{
	(*m_pSpriteFramesMap)[pszFrameName] = pobFrame;
}

void CCSpriteFrameCache::removeSpriteFrames(void)
{
	m_pSpriteFramesMap->clear();
}

void CCSpriteFrameCache::removeUnusedSpriteFrames(void)
{
	map<string, CCSpriteFrame*>::iterator iter;
	for (iter = m_pSpriteFramesMap->begin(); iter != m_pSpriteFramesMap->end();)
	{
		CCSpriteFrame *pFrame = iter->second;
		if (pFrame->retainCount() == 1)
		{
			CCLOG("cocos2d: CCSpriteFrameCache: removing unused frame %s", *iter);
			m_pSpriteFramesMap->erase(iter);
		}
		else
		{
			++iter;
		}
	}
}


void CCSpriteFrameCache::removeSpriteFrameByName(const char *pszName)
{
	map<string, CCSpriteFrame*>::iterator iter = m_pSpriteFramesMap->find(pszName);
	m_pSpriteFramesMap->erase(iter);
}

CCSpriteFrame* CCSpriteFrameCache::spriteFrameByName(const char *pszName)
{
	CCSpriteFrame *pFrame = NULL;
	map<string, CCSpriteFrame*>::iterator iter = m_pSpriteFramesMap->find(pszName);

	if (iter != m_pSpriteFramesMap->end())
	{
		pFrame = iter->second;
	}

	if (! pFrame)
	{
		CCLOG("cocos2d: CCSpriteFrameCache: Frame %s, not found", pszName);
	}

	return pFrame;
}