axmol/cocos/editor-support/cocostudio/CCSSceneReader.cpp

/****************************************************************************
Copyright (c) 2013-2014 Chukong Technologies Inc.

http://www.cocos2d-x.org

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#include "cocostudio/CocoStudio.h"
#include "gui/CocosGUI.h"
#include "SimpleAudioEngine.h"
#include "ObjectFactory.h"

using namespace cocos2d;
using namespace gui;

namespace cocostudio {

SceneReader* SceneReader::s_sharedReader = nullptr;

SceneReader::SceneReader()
: _fnSelector(nullptr)
, _node(nullptr)
{
    ObjectFactory::getInstance()->registerType(CREATE_CLASS_COMPONENT_INFO(ComAttribute));
    ObjectFactory::getInstance()->registerType(CREATE_CLASS_COMPONENT_INFO(ComRender));
    ObjectFactory::getInstance()->registerType(CREATE_CLASS_COMPONENT_INFO(ComAudio));
	ObjectFactory::getInstance()->registerType(CREATE_CLASS_COMPONENT_INFO(ComController));
}

SceneReader::~SceneReader()
{
}

const char* SceneReader::sceneReaderVersion()
{
    return "1.0.0.0";
}

cocos2d::Node* SceneReader::createNodeWithSceneFile(const std::string &fileName)
{
    rapidjson::Document jsonDict;
    do {
          CC_BREAK_IF(!readJson(fileName, jsonDict));
          _node = createObject(jsonDict, nullptr);
          TriggerMng::getInstance()->parse(jsonDict);
    } while (0);
    
    return _node;
}

bool SceneReader::readJson(const std::string &fileName, rapidjson::Document &doc)
{
    bool bRet = false;
    do {
        std::string jsonpath = FileUtils::getInstance()->fullPathForFilename(fileName);
        std::string contentStr = FileUtils::getInstance()->getStringFromFile(jsonpath);
        doc.Parse<0>(contentStr.c_str());
        CC_BREAK_IF(doc.HasParseError());
        bRet = true;
    } while (0);
    return bRet;
}

Node* SceneReader::nodeByTag(Node *parent, int tag)
{		
    if (parent == nullptr)
    {
        return nullptr;
    }
    Node *_retNode = nullptr;
    Vector<Node*>& Children = parent->getChildren();
    Vector<Node*>::iterator iter = Children.begin();
    while (iter != Children.end())
    {
        Node* pNode = *iter;
        if(pNode != nullptr && pNode->getTag() == tag)
        {
            _retNode =  pNode;
            break;
        }
        else
        {
            _retNode = nodeByTag(pNode, tag);
            if (_retNode != nullptr)
            {
                break;
            }

        }
        ++iter;
    }
    return _retNode;
}


Node* SceneReader::createObject(const rapidjson::Value &dict, cocos2d::Node* parent)
{
    const char *className = DICTOOL->getStringValue_json(dict, "classname");
    if(strcmp(className, "CCNode") == 0)
    {
        Node* gb = nullptr;
        if(nullptr == parent)
        {
            gb = Node::create();
        }
        else
        {
            gb = Node::create();
            parent->addChild(gb);
        }
        
        setPropertyFromJsonDict(dict, gb);

        int count = DICTOOL->getArrayCount_json(dict, "components");
        for (int i = 0; i < count; i++)
        {
            const rapidjson::Value &subDict = DICTOOL->getSubDictionary_json(dict, "components", i);
            if (!DICTOOL->checkObjectExist_json(subDict))
            {
                break;
            }
            const char *comName = DICTOOL->getStringValue_json(subDict, "classname");
            Component *com = ObjectFactory::getInstance()->createComponent(comName);
			if (com != NULL)
			{
				if (com->serialize((void*)(&subDict)))
				{
					gb->addComponent(com);
				}
				else
				{
					CC_SAFE_RELEASE_NULL(com);
				}
			}
            if(_fnSelector != nullptr)
            {
                _fnSelector(com, (void*)(&subDict));
            }
        }

        int length = DICTOOL->getArrayCount_json(dict, "gameobjects");
        for (int i = 0; i < length; ++i)
        {
            const rapidjson::Value &subDict = DICTOOL->getSubDictionary_json(dict, "gameobjects", i);
            if (!DICTOOL->checkObjectExist_json(subDict))
            {
                break;
            }
            createObject(subDict, gb);
        }
        
        return gb;
    }
    
    return nullptr;
}

void SceneReader::setTarget(const std::function<void(cocos2d::Object* obj, void* doc)>& selector)
{
    _fnSelector = selector;
}

Node* SceneReader::getNodeByTag(int nTag)
{
    if (_node == nullptr)
    {
        return nullptr;
    }
    if (_node->getTag() == nTag)
    {
        return _node;
    }
    return nodeByTag(_node, nTag);
}

void SceneReader::setPropertyFromJsonDict(const rapidjson::Value &root, cocos2d::Node *node)
{
    float x = DICTOOL->getFloatValue_json(root, "x");
    float y = DICTOOL->getFloatValue_json(root, "y");
    node->setPosition(Point(x, y));
    
    const bool bVisible = (DICTOOL->getIntValue_json(root, "visible", 1) != 0);
    node->setVisible(bVisible);
    
    int nTag = DICTOOL->getIntValue_json(root, "objecttag", -1);
    node->setTag(nTag);
    
    int nZorder = DICTOOL->getIntValue_json(root, "zorder");
    node->setLocalZOrder(nZorder);
    
    float fScaleX = DICTOOL->getFloatValue_json(root, "scalex", 1.0);
    float fScaleY = DICTOOL->getFloatValue_json(root, "scaley", 1.0);
    node->setScaleX(fScaleX);
    node->setScaleY(fScaleY);
    
    float fRotationZ = DICTOOL->getFloatValue_json(root, "rotation"); 
    node->setRotation(fRotationZ);
}

SceneReader* SceneReader::getInstance()
{
    if (s_sharedReader == nullptr)
    {
        s_sharedReader = new SceneReader();
    }
    return s_sharedReader;
}

void SceneReader::destroyInstance()
{
    DictionaryHelper::destroyInstance();
    TriggerMng::destroyInstance();
    CocosDenshion::SimpleAudioEngine::end();
    CC_SAFE_DELETE(s_sharedReader);
}

}