axmol/cocos2dx/extensions/CCBReader/CCBReader.cpp

/****************************************************************************
 Copyright (c) 2012 cocos2d-x.org
 Copyright (c) 2012 XiaoLong Zhang, Chukong 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
 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.
 ****************************************************************************/

#include "CCBReader.h"

using namespace cocos2d ;

#pragma mark -
#pragma mark Read value from dictionary

int CCBReader::intValFromDict(CCDictionary* dict, const std::string key)
{
	CCString* valueString = (CCString*) dict->objectForKey(key.c_str());
	return valueString->intValue();
}

float CCBReader::floatValFromDict(CCDictionary* dict, const std::string key)
{
	CCString* valueString = (CCString*) dict->objectForKey(key.c_str());
    return valueString->floatValue();
}

bool CCBReader::boolValFromDict(CCDictionary* dict, const std::string key)
{
	CCString* valueString = (CCString*) dict->objectForKey(key.c_str());
    return valueString->intValue();
}

CCPoint CCBReader::pointValFromDict(CCDictionary* dict, const std::string key)
{
	CCArray* arr = (CCArray*)dict->objectForKey(key.c_str());
	
    if (!arr) 
	{
		return ccp(0,0);
	}
	
    float x = ((CCString*)arr->objectAtIndex(0))->floatValue();
    float y = ((CCString*)arr->objectAtIndex(1))->floatValue();
    return ccp(x, y);
}

CCSize CCBReader::sizeValFromDict(CCDictionary* dict, const std::string key)
{
	CCArray* arr = (CCArray*) dict->objectForKey(key.c_str());
	
    if (!arr) 
	{
		return CCSize(0, 0);
	}
	
    float w = ((CCString*)arr->objectAtIndex(0))->floatValue();
    float h = ((CCString*)arr->objectAtIndex(1))->floatValue();
    return CCSize(w, h);
}

ccColor3B CCBReader::ccColor3ValFromDict(CCDictionary* dict, const std::string key)
{
	CCArray* arr = (CCArray*) dict->objectForKey(key.c_str());
	
    int r = ((CCString*)arr->objectAtIndex(0))->intValue();
    int g = ((CCString*)arr->objectAtIndex(1))->intValue();
    int b = ((CCString*)arr->objectAtIndex(2))->intValue();
	
    return ccc3(r, g, b);
}

ccColor4F CCBReader::ccColor4fValFromDict(CCDictionary* dict, const std::string key)
{
	CCArray* arr = (CCArray*) dict->objectForKey(key.c_str());
	
    ccColor4F color;
    color.r = ((CCString*)arr->objectAtIndex(0))->floatValue();
    color.g = ((CCString*)arr->objectAtIndex(1))->floatValue();
    color.b = ((CCString*)arr->objectAtIndex(2))->floatValue();
    color.a = ((CCString*)arr->objectAtIndex(3))->floatValue();
	
    return color;
}

ccBlendFunc CCBReader::blendFuncValFromDict(CCDictionary* dict, const std::string key)
{
	CCArray* arr = (CCArray*) dict->objectForKey(key.c_str());
	
    int src = ((CCString*)arr->objectAtIndex(0))->intValue();
    int dst = ((CCString*)arr->objectAtIndex(1))->intValue();
	
    ccBlendFunc blendFunc;
    blendFunc.src = src;
    blendFunc.dst = dst;
	
    return blendFunc;
}

#pragma mark -
#pragma mark set extra properties

void CCBReader::setExtraProp(CCObject* prop, const char* key, int tag, CCDictionary* dict)
{
	std::string tagString;
	tagString += tag;
    CCDictionary* props = (CCDictionary*) dict->objectForKey(tagString.c_str());
	
    if (!props)
    {
        props = new CCDictionary();
        dict->setObject(props, tagString.c_str());
    }
    
    props->setObject(prop, key);
}

void CCBReader::setPropsForMenuItem(CCMenuItem* node, CCDictionary* props, CCDictionary* extraProps)
{
    node->setIsEnabled(boolValFromDict(props, "isEnabled"));
    if (extraProps)
    {
        setExtraProp((CCDictionary*) props->objectForKey("selector"), "selector", node->getTag(), extraProps);
        setExtraProp((CCDictionary*) props->objectForKey("target"), "target", node->getTag(), extraProps);
        CCString* spriteFramesFile = (CCString*) props->objectForKey("spriteFramesFile");
		
        if (spriteFramesFile)
        {
            setExtraProp(spriteFramesFile, "spriteSheetFile", node->getTag(), extraProps);
        }
    }
}

void CCBReader::setPropsForMenuItemImage(CCMenuItemImage* node, CCDictionary* props, CCDictionary* extraProps)
{
    if (extraProps)
    {
        setExtraProp(props->objectForKey("spriteFileNormal"), "spriteFileNormal", node->getTag(), extraProps);
        setExtraProp(props->objectForKey("spriteFileSelected"), "spriteFileSelected", node->getTag(), extraProps);
        setExtraProp(props->objectForKey("spriteFileDisabled"), "spriteFileDisabled", node->getTag(), extraProps);
    }
}

void CCBReader::setPropsForLayerColor(CCLayerColor* node, CCDictionary* props, CCDictionary* extraProps)
{
    node->setColor(ccColor3ValFromDict(props, "color"));
    node->setOpacity(intValFromDict(props, "opacity"));
    node->setBlendFunc(blendFuncValFromDict(props, "blendFunc"));
}

void CCBReader::setPropsForLayer(CCLayer* node, CCDictionary* props, CCDictionary* extraProps)
{
    if (extraProps)
    {
        setExtraProp(props->objectForKey("touchEnabled"), "touchEnabled", node->getTag(), extraProps);
        setExtraProp(props->objectForKey("accelerometerEnabled"), "accelerometerEnabled", node->getTag(), extraProps);
        setExtraProp(props->objectForKey("mouseEnabled"), "mouseEnabled", node->getTag() ,extraProps);
        setExtraProp(props->objectForKey("keyboardEnabled"), "keyboardEnabled", node->getTag(), extraProps);
    }
    else
    {
        node->setIsTouchEnabled(boolValFromDict(props, "touchEnabled"));
        node->setIsAccelerometerEnabled(boolValFromDict(props, "accelerometerEnabled"));
    }
}

void CCBReader::setPropsForMenu(CCMenu* node, CCDictionary* props, CCDictionary* extraProps)
{
    if (extraProps)
    {

    }
}

void CCBReader::setPropsForLabelBMFont(CCLabelBMFont* node, CCDictionary* props, CCDictionary* extraProps)
{
    node->setOpacity(intValFromDict(props, "opacity"));
    node->setColor(ccColor3ValFromDict(props, "color"));
	
    if (extraProps)
    {
        setExtraProp(props->objectForKey("fontFile"), "fontFile", node->getTag(), extraProps);
    }
}

void CCBReader::setPropsForParticleSystem(CCParticleSystem* node, CCDictionary* props, CCDictionary* extraProps)
{
    node->setEmitterMode(intValFromDict(props, "emitterMode"));
    node->setEmissionRate(floatValFromDict(props, "emissionRate"));
    node->setDuration(floatValFromDict(props, "duration"));
    node->setPosVar(pointValFromDict(props, "posVar"));
    node->setTotalParticles(intValFromDict(props, "totalParticles"));
    node->setLife(floatValFromDict(props, "life"));
    node->setLifeVar(floatValFromDict(props, "lifeVar"));
    node->setStartSize(intValFromDict(props, "startSize"));
    node->setStartSizeVar(intValFromDict(props, "startSizeVar"));
    node->setEndSize(intValFromDict(props, "endSize"));
    node->setEndSizeVar(intValFromDict(props, "endSizeVar"));

    if (dynamic_cast<CCParticleSystemQuad*>(node))
    {
        node->setStartSpin(intValFromDict(props, "startSpin"));
        node->setStartSpinVar(intValFromDict(props, "startSpinVar"));
        node->setEndSpin(intValFromDict(props, "endSpin"));
        node->setEndSpinVar(intValFromDict(props, "endSpinVar"));
    }
	
    node->setStartColor(ccColor4fValFromDict(props, "startColor"));
    node->setStartColorVar(ccColor4fValFromDict(props, "startColorVar"));
    node->setEndColor(ccColor4fValFromDict(props, "endColor"));
    node->setEndColorVar(ccColor4fValFromDict(props, "endColorVar"));
    node->setBlendFunc(blendFuncValFromDict(props, "blendFunc"));
    
    if (node->getEmitterMode() == kCCParticleModeGravity)
    {
        node->setGravity(pointValFromDict(props, "gravity"));
        node->setAngle(intValFromDict(props, "angle"));
        node->setAngleVar(intValFromDict(props, "angleVar"));
        node->setSpeed(intValFromDict(props, "speed"));
        node->setSpeedVar(intValFromDict(props, "speedVar"));
        node->setTangentialAccel(intValFromDict(props, "tangentialAccel"));
        node->setTangentialAccelVar(intValFromDict(props, "tangentialAccelVar"));
        node->setRadialAccel(intValFromDict(props, "radialAccel"));
        node->setRadialAccelVar(intValFromDict(props, "radialAccelVar"));
    }
    else
    {
        node->setStartRadius(intValFromDict(props, "startRadius"));
        node->setStartRadiusVar(intValFromDict(props, "startRadiusVar"));
        node->setEndRadius(intValFromDict(props, "endRadius"));
        node->setEndRadiusVar(intValFromDict(props, "endRadiusVar"));
        node->setRotatePerSecond(intValFromDict(props, "rotatePerSecond"));
        node->setRotatePerSecondVar(intValFromDict(props, "rotatePerSecondVar"));
    }
    
    if (extraProps)
    {
        setExtraProp(props->objectForKey("spriteFile"), "spriteFile", node->getTag(), extraProps);
    }
    node->setPositionType(kCCPositionTypeGrouped);
}

void CCBReader::setPropsForLayerGradient(CCLayerGradient* node, CCDictionary* props, CCDictionary* extraProps)
{
    node->setStartColor(ccColor3ValFromDict(props, "color"));
    node->setStartOpacity(intValFromDict(props, "opacity"));
    node->setEndColor(ccColor3ValFromDict(props, "endColor"));
    node->setEndOpacity(intValFromDict(props, "endOpacity"));
    node->setVector(pointValFromDict(props, "vector"));
}

CCNode* CCBReader::createCustomClassWithName(CCString* className)
{
    if (!className) return NULL;
    if (0 == className->length()) return NULL;
		 
    CObject* newClass = (CObject*)CClassFactory::sharedClassFactory().getClassByName(className->m_sString) ;
    if ( newClass == NULL ){
        CCLOG("WARNING! Class of type %s couldn't be found", className);
        return NULL ;
    }
    newClass->registProperty() ;
    return newClass;
}

void CCBReader::setPropsForSprite(CCSprite* node, CCDictionary* props, CCDictionary* extraProps)
{
    node->setOpacity(intValFromDict(props, "opacity"));
    node->setColor(ccColor3ValFromDict(props, "color"));
    node->setFlipX(boolValFromDict(props, "flipX"));
    node->setFlipY(boolValFromDict(props, "flipY"));
    node->setBlendFunc(blendFuncValFromDict(props, "blendFunc"));
	
    if (extraProps)
    {
        setExtraProp(props->objectForKey("spriteFile"), "spriteFile", node->getTag(), extraProps);
        CCString* spriteFramesFile = (CCString*) props->objectForKey("spriteFramesFile");
		
        if (spriteFramesFile)
        {
            setExtraProp(spriteFramesFile, "spriteSheetFile", node->getTag(), extraProps);
        }
    }
}

void CCBReader::setPropsForNode(CCNode* node, CCDictionary* props, CCDictionary* extraProps)
{
	CCPoint position = pointValFromDict(props, "position");
	node->setPosition(position);

    if (dynamic_cast<CCSprite*>(node) == NULL &&
        dynamic_cast<CCMenuItemImage*>(node) == NULL &&
        dynamic_cast<CCLabelBMFont*>(node) == NULL)
    {
		CCSize size = sizeValFromDict(props, "contentSize");
		//node->setContentSize(size);
    }
	
    node->setScaleX(floatValFromDict(props, "scaleX"));
    node->setScaleY(floatValFromDict(props, "scaleY"));
    node->setAnchorPoint(pointValFromDict(props, "anchorPoint"));
    node->setRotation(floatValFromDict(props, "rotation"));
    node->setIsRelativeAnchorPoint(boolValFromDict(props, "isRelativeAnchorPoint"));
    node->setIsVisible(boolValFromDict(props, "visible"));

    if (extraProps)
    {
        if (node->getTag() == -1)
        {
            node->setTag(extraProps->count() + 1);
        }

        setExtraProp(props->objectForKey("tag"), "tag", node->getTag(), extraProps);
        
        setExtraProp((CCDictionary*) props->objectForKey("customClass"), "customClass", node->getTag(), extraProps);
        setExtraProp((CCDictionary*) props->objectForKey("memberVarAssignmentType"), "memberVarAssignmentType", node->getTag(), extraProps);
		setExtraProp((CCDictionary*) props->objectForKey("memberVarAssignmentName"), "memberVarAssignmentName", node->getTag(), extraProps);
        setExtraProp((CCDictionary*) props->objectForKey("lockedScaleRatio"), "lockedScaleRatio", node->getTag(), extraProps);
        
        // Expanded nodes
        bool isExpanded;
        CCString* isExpandedObj = (CCString*) props->objectForKey("isExpanded");
		
        if (isExpandedObj) {
			isExpanded = !isExpandedObj->m_sString.empty();
		} else {
			isExpanded = true;
		}
				
		setExtraProp(isExpandedObj, "isExpanded", node->getTag(), extraProps);
    }
    else
    {
        node->setTag(intValFromDict(props, "tag"));
    }
}


CCNode* CCBReader::ccObjectFromDictionary(CCDictionary* dict, CCDictionary* extraProps, const char* assetsDir, CCObject* owner, CObject* root)
{
	CCString* className = (CCString*) dict->objectForKey("class");
    CCDictionary* props = (CCDictionary*) dict->objectForKey("properties");
    CCArray* children = (CCArray*) dict->objectForKey("children");
	//CCDictionary* children = (CCDictionary*) dict->objectForKey("children");
	//std::vector<std::string> allKeys = dict->allKeysForObject(dict->objectForKey("children"));
	//CCString* customString = props->objectForKey("memberVarAssignmentName");
    CCString* customClass = (CCString*)props->objectForKey("customClass");
//    CCLOG("customClass is %s", customClass->toStdString().c_str()) ;
    
    //CObject*obj = (CObject*)createCustomClassWithName(customClass);
//
//	CCLOG("ccObjectFromDictionary className:%s customClassName:%s", className->m_sString.c_str(), (customClass ? customClass->m_sString.c_str() : "-"));
//
	
    if (extraProps) customClass = NULL;
    
    CObject* node = NULL;

	if (className->m_sString.compare("CCParticleSystem") == 0)
    {
        CCString* spriteFile = new CCString(assetsDir);
		spriteFile->m_sString += ((CCString*)props->objectForKey("spriteFile"))->m_sString;
		
        CCParticleSystem* sys = new CCParticleSystemQuad();
		sys->initWithTotalParticles(2048);
        sys->setTexture(CCTextureCache::sharedTextureCache()->addImage(spriteFile->m_sString.c_str()));
		delete spriteFile;
        node = (CObject*)sys;
		
        setPropsForNode(node, (CCDictionary*) props, extraProps);
        setPropsForParticleSystem((CCParticleSystem*) node, (CCDictionary*) props, extraProps);
    }
    else if (className->m_sString.compare("CCMenuItemImage") == 0)
    {
        CCString* spriteFileNormal = new CCString(assetsDir);
		spriteFileNormal->m_sString += ((CCString*)props->objectForKey("spriteFileNormal"))->getCString();
        CCString* spriteFileSelected = new CCString(assetsDir);
		spriteFileSelected->m_sString += ((CCString*)props->objectForKey("spriteFileSelected"))->getCString();
        CCString* spriteFileDisabled = new CCString(assetsDir);
		spriteFileDisabled->m_sString += ((CCString*)props->objectForKey("spriteFileDisabled"))->getCString();
        
        CCSprite* spriteNormal = NULL;
        CCSprite* spriteSelected = NULL;
        CCSprite* spriteDisabled = NULL;
        
        CCString* spriteSheetFile = (CCString*)props->objectForKey("spriteFramesFile");
        if (spriteSheetFile  && !spriteSheetFile->length()) {
			spriteSheetFile->m_sString.insert(0, assetsDir);
		}
        
        if (spriteSheetFile && !spriteSheetFile->length())
        {
			CCSpriteFrameCache::sharedSpriteFrameCache()->addSpriteFramesWithFile(spriteSheetFile->m_sString.c_str());
            
            spriteNormal = CCSprite::spriteWithSpriteFrameName(((CCString*)props->objectForKey("spriteFileNormal"))->getCString());
            spriteSelected = CCSprite::spriteWithSpriteFrameName(((CCString*)props->objectForKey("spriteFileSelected"))->getCString());
            spriteDisabled = CCSprite::spriteWithSpriteFrameName(((CCString*)props->objectForKey("spriteFileDisabled"))->getCString());
            // TBD: how to defense if exception raise here?
        }
        else
        {
            spriteNormal = CCSprite::spriteWithFile(spriteFileNormal->m_sString.c_str());
            spriteSelected = CCSprite::spriteWithFile(spriteFileSelected->m_sString.c_str());
            spriteDisabled = CCSprite::spriteWithFile(spriteFileDisabled->m_sString.c_str());
        }
		
		//deallocate
		delete spriteFileNormal;
		spriteFileNormal = NULL;
		delete spriteFileSelected;
		spriteFileSelected = NULL;
		delete spriteFileDisabled;
		spriteFileDisabled = NULL;
        
        if (!spriteNormal) spriteNormal = CCSprite::spriteWithFile("missing-texture.png");
        if (!spriteSelected) spriteSelected = CCSprite::spriteWithFile("missing-texture.png");
		if (!spriteDisabled) spriteDisabled = CCSprite::spriteWithFile("missing-texture.png");
		
        CObject *target = NULL ;
        if ( extraProps == NULL )
        {
            int targetType = ((CCString*)(props->objectForKey("target")))->intValue() ;
            if ( targetType == kCCBMemberVarAssignmentTypeDocumentRoot )
                target = (CObject*)root ;
            else if ( targetType == kCCBMemberVarAssignmentTypeOwner )
                target = (CObject*)owner ;
            
        }
        CCString *selectorName = (CCString*)props->objectForKey("selector") ;
        
        SEL_MenuHandler sel = menu_selector(CObject::menuCallBack) ;
        //typedef 
        //target->registMethod() ;
        if ( selectorName->m_sString.empty() )
        {
            CCLOG("WARNING! CCMenuItemImage target doesn't respond to selector %@",selectorName) ;
            target = NULL ;
            sel = NULL ;
        }
        
		node = (CObject*)CCMenuItemImage::itemWithNormalSprite((CCNode*) spriteNormal, (CCNode*) spriteSelected, (CCNode*) spriteDisabled, target, sel);
        
        setPropsForNode(node, (CCDictionary*) props, extraProps);
        setPropsForMenuItem((CCMenuItem*) node, (CCDictionary*) props, extraProps);
        setPropsForMenuItemImage((CCMenuItemImage*) node, (CCDictionary*) props, extraProps);
    }
    else if (className->m_sString.compare("CCMenu") == 0)
    {
        node = (CObject*)CCMenu::menuWithItems(NULL);
		setPropsForNode(node, (CCDictionary*) props, extraProps);
        setPropsForLayer((CCLayer*) node, (CCDictionary*) props, extraProps);
        setPropsForMenu((CCMenu*)node, (CCDictionary*) props, extraProps);
    }
	else if (className->m_sString.compare("CCLabelBMFont") == 0)
    {
        CCString* fontFile = new CCString(assetsDir);
		fontFile->m_sString += ((CCString*)props->objectForKey("fontFile"))->m_sString;
        CCString* stringText = ((CCString*)props->objectForKey("string"));
		
        node = (CObject*)CCLabelBMFont::labelWithString(stringText->m_sString.c_str(), 
                                                        fontFile->m_sString.c_str() );

		
		delete fontFile;
		fontFile = 0;
		
        if (!node) node = (CObject*)CCLabelBMFont::labelWithString(stringText->m_sString.c_str(), "missing-font.fnt");
        
        setPropsForNode(node, (CCDictionary*) props, extraProps);
		setPropsForLabelBMFont((CCLabelBMFont*) node, (CCDictionary*) props, extraProps);
    }
	else if (className->m_sString.compare("CCSprite") == 0)
    {
        CCString* spriteFile = new CCString(assetsDir);
		spriteFile->m_sString += ((CCString*)props->objectForKey("spriteFile"))->m_sString;
        CCString* spriteSheetFile = (CCString*)props->objectForKey("spriteFramesFile");
		
        if (spriteSheetFile && !spriteSheetFile->length())
		{
			spriteSheetFile->m_sString.insert(0, assetsDir);
		}
        
        if (spriteSheetFile && !spriteSheetFile->length())
        {
            CCSpriteFrameCache::sharedSpriteFrameCache()->addSpriteFramesWithFile(spriteSheetFile->m_sString.c_str());
            node = (CObject*)CCSprite::spriteWithSpriteFrameName(((CCString*)props->objectForKey("spriteFile"))->m_sString.c_str());
            // TBD: how to defense if exception raise here?
        }
        else
        {
            printf("spriteFile->m_string.cstr is %s\n", spriteFile->m_sString.c_str()) ;
            node = (CObject*)CCSprite::spriteWithFile(spriteFile->m_sString.c_str());
        }
		
		delete spriteFile;
		spriteFile = 0;
        
        if (!node) node = (CObject*)CCSprite::spriteWithFile("missing-texture.png");
        
        setPropsForNode(node, (CCDictionary*) props, extraProps);
        setPropsForSprite((CCSprite*) node, (CCDictionary*) props, extraProps);
    }
    else if (className->m_sString.compare("CCLayerGradient") == 0)
    {
        node = (CObject*)createCustomClassWithName(customClass) ;
        if (node)
        {
            if (dynamic_cast<CCLayerGradient*>(node) == NULL)
            {
                CCLOG("WARNING! %s is not subclass of CCNode", customClass);
				delete node;
                node = NULL;
            }
        }
        else
        {
            node = (CObject*)CCLayerGradient::node();
        }
        
        setPropsForNode(node, (CCDictionary*) props, extraProps);
        setPropsForLayer((CCLayer*) node, (CCDictionary*) props, extraProps);
        setPropsForLayerColor((CCLayerColor*) node, (CCDictionary*) props, extraProps);
        setPropsForLayerGradient((CCLayerGradient*) node, (CCDictionary*) props, extraProps);
        
    }
    else if (className->m_sString.compare("CCLayerColor") == 0)
    {
        node = (CObject*)createCustomClassWithName(customClass) ;
        if (node)
        {
            if (dynamic_cast<CCLayerColor*>(node) == NULL)
            {
                CCLOG("WARNING! %s is not subclass of CCNode", customClass);
				delete node;
                node = NULL;
            }
        }
        else
        {
            node = (CObject*)CCLayerColor::node();
        }
        setPropsForNode(node, (CCDictionary*) props, extraProps);
        setPropsForLayer((CCLayer*) node, (CCDictionary*) props, extraProps);
        setPropsForLayerColor((CCLayerColor*) node, (CCDictionary*) props, extraProps);
    }
    else if (className->m_sString.compare("CCLayer") == 0)
    {
        node = (CObject*)createCustomClassWithName(customClass) ;
        if (node)
        {
            if (dynamic_cast<CCLayer*>(node) == NULL)
            {
                CCLOG("WARNING! %s is not subclass of CCNode", customClass);
				delete node;
                node = NULL;
            }
        }
        else
        {
            node = (CObject*)CCLayer::node();
        }
        
        setPropsForNode(node, (CCDictionary*) props, extraProps);
        setPropsForLayer((CCLayer*) node, (CCDictionary*) props, extraProps);
    }
    else if (className->m_sString.compare("CCNode") == 0)
    {
        node = (CObject*)createCustomClassWithName(customClass) ;

        if (node)
        {
            if (dynamic_cast<CCNode*>(node) == NULL)
            {
                CCLOG("WARNING! %s is not subclass of CCNode", customClass);
				delete node;
                node = NULL;
            }
        }
        else
        {
            node = (CObject*)CCNode::node();
        }
		
        setPropsForNode(node, (CCDictionary*) props, extraProps);
    }
    else
    {
		CCLOG("WARNING! Class of type %@ couldn't be found", className);
        return NULL;
    }
    
    if (!root) root = node;
    
    // Add children
    for (int i = 0; i < children->count(); i++)
    {
        CCDictionary* childDict = (CCDictionary*) children->objectAtIndex(i);
        CCNode* child = ccObjectFromDictionary(childDict, extraProps, assetsDir, owner, root);
        int zOrder = intValFromDict((CCDictionary*) childDict->objectForKey("properties"), "zOrder");
		
        if (child && node)
        {
            node->addChild(child, zOrder);
        }
        else
        {
			CCLOG("WARNING! Failed to add child to node");
        }
    }
    
    if ( !extraProps )
    {
        CCString* assignmentName = (CCString*)props->objectForKey("memberVarAssignmentName");
        CCLOG("assignmentName is %s", assignmentName->getCString()) ;
        int assignmentType = ((CCString*)(props->objectForKey("memberVarAssignmentType")))->intValue() ;
        
        if ( !assignmentName->m_sString.empty() &&
             assignmentType)
        {
            CObject* assignTo = NULL ;
            if ( assignmentType == kCCBMemberVarAssignmentTypeOwner )
                assignTo = (CObject*)owner ;
            else if ( assignmentType == kCCBMemberVarAssignmentTypeDocumentRoot )
                assignTo = (CObject*)root ;
            
            if ( assignTo != NULL )
            {
                //CCLOG("sprite;s position is %f", node->getPosition().x) ;
                std::string spriteStr = "set" + assignmentName->m_sString ;
                CCLOG("spriteStr is %s, sprite's position is %f", spriteStr.c_str(), node->getPosition().x);
                assignTo->propertyMap[spriteStr](assignTo, node);
                // @_@
                // potential problem: 1、ccb defines a variable, but we cannot find in files
            }
        }
        if (!customClass->m_sString.empty())
        {
            ((CObject*)node)->didLoadFromCCB() ;
        }
        
    }
    return node;
}

CCNode* CCBReader::ccObjectFromDictionary(CCDictionary* dict, CCDictionary* extraProps, const char* assetsDir, CCObject* owner)
{
	 return ccObjectFromDictionary(dict, extraProps, assetsDir, owner, NULL);
}

#pragma mark -
#pragma mark initialize ccbreader

CCNode* CCBReader::nodeGraphFromDictionary(CCDictionary* dict, CCDictionary* extraProps, const char* assetsDir, CCObject* owner)
{
	if (!dict)
    {
        CCLOG("WARNING! Trying to load invalid file type");
        return NULL;
    }
	
    CCString* fileType = (CCString*) dict->objectForKey("fileType");
    int fileVersion = ((CCString*) dict->objectForKey("fileVersion"))->intValue();
    
    if (!fileType  || fileType->m_sString.compare("CocosBuilder") != 0)
    {
        CCLOG("WARNING! Trying to load invalid file type");
    }

    if (fileVersion > 1)
    {
        CCLOG("WARNING! Trying to load file made with a newer version of CocosBuilder, please update the CCBReader class");
        return NULL;
    }
    
    CCDictionary* nodeGraph = (CCDictionary*) dict->objectForKey("nodeGraph");
    return ccObjectFromDictionary(nodeGraph, extraProps, assetsDir, owner);
}

CCNode* CCBReader::nodeGraphFromDictionary(CCDictionary*dict) 
{
    return nodeGraphFromDictionary(dict, NULL, "", NULL) ;
}

CCNode* CCBReader::nodeGraphFromDictionary(CCDictionary* dict, CCObject* owner)
{
	return nodeGraphFromDictionary(dict, NULL, "", owner);
}

CCNode* CCBReader::nodeGraphFromFile(const char* file)
{
    return nodeGraphFromFile(file, NULL) ;
}

CCNode* CCBReader::nodeGraphFromFile(const char* file, CCObject* owner)
{

	CCLOG("CCBReader path is: %s", file);    
	std::string xmlFile = CCFileUtils::fullPathFromRelativePath(file);    
    CCDictionary* dict = (CCDictionary*) CCDictionary::dictionaryWithContentsOfFileThreadSafe(xmlFile.c_str());
	CCAssert(dict != NULL, "CCBReader: file not found");
    
	return nodeGraphFromDictionary(dict, owner);
}
CCScene* CCBReader::sceneWithNodeGraphFromFile(const char* file)
{
    return sceneWithNodeGraphFromFile(file, NULL) ;
}
CCScene* CCBReader::sceneWithNodeGraphFromFile(const char* file, CCObject* owner)
{
	CCNode* node = nodeGraphFromFile(file, owner);
    CCScene* scene = CCScene::node();

    scene->addChild(node);
    return scene;	
}