axmol/extensions/CCArmature/display/CCDisplayManager.cpp

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#include "CCDisplayManager.h"
#include "../CCBone.h"
#include "../CCArmature.h"
#include "../utils/CCUtilMath.h"
#include "../display/CCSkin.h"

NS_CC_EXT_BEGIN

CCDisplayManager *CCDisplayManager::create(CCBone *bone)
{
    CCDisplayManager *pDisplayManager = new CCDisplayManager();
    if (pDisplayManager && pDisplayManager->init(bone))
    {
        pDisplayManager->autorelease();
        return pDisplayManager;
    }
    CC_SAFE_DELETE(pDisplayManager);
    return NULL;
}


CCDisplayManager::CCDisplayManager()
	: m_pDecoDisplayList(NULL)
	, m_pDisplayRenderNode(NULL)
    , m_pCurrentDecoDisplay(NULL)
    , m_iDisplayIndex(-1)
	, m_bForceChangeDisplay(false)
	, m_bVisible(true)
    , m_pBone(NULL)
{
}

CCDisplayManager::~CCDisplayManager()
{
    CC_SAFE_DELETE(m_pDecoDisplayList);

    if( m_pDisplayRenderNode )
    {
        m_pDisplayRenderNode->removeFromParentAndCleanup(true);
        if(m_pDisplayRenderNode->retainCount() > 0)
            CC_SAFE_RELEASE_NULL(m_pDisplayRenderNode);
    }

}

bool CCDisplayManager::init(CCBone *bone)
{
    bool ret = false;

    do
    {

        m_pBone = bone;

        initDisplayList(bone->getBoneData());

        ret = true;
    }
    while (0);

    return ret;
}


void CCDisplayManager::addDisplay(CCDisplayData *displayData, int index)
{
    CCDecorativeDisplay *decoDisplay = NULL;

    if(index >= 0 && (unsigned int)index < m_pDecoDisplayList->count())
    {
        decoDisplay = (CCDecorativeDisplay *)m_pDecoDisplayList->objectAtIndex(index);
    }
    else
    {
        decoDisplay = CCDecorativeDisplay::create();
        m_pDecoDisplayList->addObject(decoDisplay);
    }

    CCDisplayFactory::addDisplay(m_pBone, decoDisplay, displayData);

    //! if changed display index is current display index, then change current display to the new display
    if(index == m_iDisplayIndex)
    {
        m_iDisplayIndex = -1;
        changeDisplayByIndex(index, false);
    }
}

void CCDisplayManager::removeDisplay(int index)
{
    m_pDecoDisplayList->removeObjectAtIndex(index);

    if(index == m_iDisplayIndex)
    {
        setCurrentDecorativeDisplay(NULL);
    }
}

void CCDisplayManager::changeDisplayByIndex(int index, bool force)
{
    CCAssert( (m_pDecoDisplayList ? index < (int)m_pDecoDisplayList->count() : true), "the _index value is out of range");

    m_bForceChangeDisplay = force;

    //! If index is equal to current display index,then do nothing
    if ( m_iDisplayIndex == index)
        return;


    m_iDisplayIndex = index;

    //! If displayIndex < 0, it means you want to hide you display
    if (m_iDisplayIndex < 0)
    {
        if(m_pDisplayRenderNode)
        {
            m_pDisplayRenderNode->removeFromParentAndCleanup(true);
            setCurrentDecorativeDisplay(NULL);
        }
        return;
    }


    CCDecorativeDisplay *decoDisplay = (CCDecorativeDisplay *)m_pDecoDisplayList->objectAtIndex(m_iDisplayIndex);

    setCurrentDecorativeDisplay(decoDisplay);
}

void CCDisplayManager::setCurrentDecorativeDisplay(CCDecorativeDisplay *decoDisplay)
{
#if ENABLE_PHYSICS_DETECT
    if (m_pCurrentDecoDisplay && m_pCurrentDecoDisplay->getColliderDetector())
    {
        m_pCurrentDecoDisplay->getColliderDetector()->setActive(false);
    }
#endif

    m_pCurrentDecoDisplay = decoDisplay;

#if ENABLE_PHYSICS_DETECT
    if (m_pCurrentDecoDisplay && m_pCurrentDecoDisplay->getColliderDetector())
    {
        m_pCurrentDecoDisplay->getColliderDetector()->setActive(true);
    }
#endif

    CCNode *displayRenderNode = m_pCurrentDecoDisplay == NULL ? NULL : m_pCurrentDecoDisplay->getDisplay();
    if (m_pDisplayRenderNode)
    {
        if (dynamic_cast<CCArmature *>(m_pDisplayRenderNode) != NULL)
        {
            m_pBone->setChildArmature(NULL);
        }

        m_pDisplayRenderNode->removeFromParentAndCleanup(true);
        m_pDisplayRenderNode->release();
    }

    m_pDisplayRenderNode = displayRenderNode;

    if(m_pDisplayRenderNode)
    {
        if (dynamic_cast<CCArmature *>(m_pDisplayRenderNode) != NULL)
        {
            m_pBone->setChildArmature((CCArmature *)m_pDisplayRenderNode);
        }
        m_pDisplayRenderNode->retain();
		m_pDisplayRenderNode->setVisible(m_bVisible);
    }
}

CCNode *CCDisplayManager::getDisplayRenderNode()
{
    return m_pDisplayRenderNode;
}

int CCDisplayManager::getCurrentDisplayIndex()
{
    return m_iDisplayIndex;
}

CCDecorativeDisplay *CCDisplayManager::getCurrentDecorativeDisplay()
{
    return m_pCurrentDecoDisplay;
}

CCDecorativeDisplay *CCDisplayManager::getDecorativeDisplayByIndex( int index)
{
    return (CCDecorativeDisplay *)m_pDecoDisplayList->objectAtIndex(index);
}

void CCDisplayManager::initDisplayList(CCBoneData *boneData)
{
    CC_SAFE_DELETE(m_pDecoDisplayList);
    m_pDecoDisplayList = CCArray::create();
    m_pDecoDisplayList->retain();

    CS_RETURN_IF(!boneData);

    CCObject *object = NULL;
    CCArray *displayDataList = &boneData->displayDataList;
    CCARRAY_FOREACH(displayDataList, object)
    {
        CCDisplayData *displayData = (CCDisplayData *)object;

        CCDecorativeDisplay *decoDisplay = CCDecorativeDisplay::create();
        decoDisplay->setDisplayData(displayData);

        CCDisplayFactory::createDisplay(m_pBone, decoDisplay);

        m_pDecoDisplayList->addObject(decoDisplay);
    }
}


bool CCDisplayManager::containPoint(CCPoint &point)
{
    if(!m_bVisible || m_iDisplayIndex < 0)
    {
        return false;
    }

    bool ret = false;

    switch (m_pCurrentDecoDisplay->getDisplayData()->displayType)
    {
    case CS_DISPLAY_SPRITE:
    {
        /*
         *  First we first check if the point is in the sprite content rect. If false, then we continue to check
         *  the contour point. If this step is also false, then we can say the bone not contain this point.
         *
         */

        CCPoint outPoint = ccp(0, 0);

        CCSprite *sprite = (CCSprite *)m_pCurrentDecoDisplay->getDisplay();
        sprite = (CCSprite *)sprite->getChildByTag(0);

        ret = CC_SPRITE_CONTAIN_POINT_WITH_RETURN(sprite, point, outPoint);

    }
    break;

    default:
        break;
    }
    return ret;
}

bool CCDisplayManager::containPoint(float x, float y)
{
    CCPoint p = ccp(x, y);
    return containPoint(p);
}


void CCDisplayManager::setVisible(bool visible)
{
    if(!m_pDisplayRenderNode)
        return;

    m_bVisible = visible;
    m_pDisplayRenderNode->setVisible(visible);
}

bool CCDisplayManager::isVisible()
{
    return m_bVisible;
}


CCSize CCDisplayManager::getContentSize()
{
    CS_RETURN_IF(!m_pDisplayRenderNode) CCSizeMake(0, 0);
    return m_pDisplayRenderNode->getContentSize();
}

CCRect CCDisplayManager::getBoundingBox()
{
    CS_RETURN_IF(!m_pDisplayRenderNode) CCRectMake(0, 0, 0, 0);
    return m_pDisplayRenderNode->boundingBox();
}


CCPoint CCDisplayManager::getAnchorPoint()
{
    CS_RETURN_IF(!m_pDisplayRenderNode) ccp(0, 0);
    return m_pDisplayRenderNode->getAnchorPoint();
}

CCPoint CCDisplayManager::getAnchorPointInPoints()
{
    CS_RETURN_IF(!m_pDisplayRenderNode) ccp(0, 0);
    return m_pDisplayRenderNode->getAnchorPointInPoints();
}


NS_CC_EXT_END