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"

namespace cocos2d { namespace extension { namespace armature {

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


DisplayManager::DisplayManager()
	: _decoDisplayList(NULL)
	, _displayRenderNode(NULL)
    , _currentDecoDisplay(NULL)
    , _displayIndex(-1)
	, _forceChangeDisplay(false)
	, _visible(true)
    , _bone(NULL)
{
}

DisplayManager::~DisplayManager()
{
    CC_SAFE_DELETE(_decoDisplayList);

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

}

bool DisplayManager::init(Bone *bone)
{
    bool ret = false;

    do
    {

        _bone = bone;

        initDisplayList(bone->getBoneData());

        ret = true;
    }
    while (0);

    return ret;
}


void DisplayManager::addDisplay(DisplayData *displayData, int index)
{
    DecorativeDisplay *decoDisplay = NULL;

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

    DisplayFactory::addDisplay(_bone, decoDisplay, displayData);

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

void DisplayManager::removeDisplay(int index)
{
    _decoDisplayList->removeObjectAtIndex(index);

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

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

    _forceChangeDisplay = force;

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


    _displayIndex = index;

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


    DecorativeDisplay *decoDisplay = (DecorativeDisplay *)_decoDisplayList->objectAtIndex(_displayIndex);

    setCurrentDecorativeDisplay(decoDisplay);
}

void DisplayManager::setCurrentDecorativeDisplay(DecorativeDisplay *decoDisplay)
{
#if ENABLE_PHYSICS_DETECT
    if (_currentDecoDisplay && _currentDecoDisplay->getColliderDetector())
    {
        _currentDecoDisplay->getColliderDetector()->setActive(false);
    }
#endif

    _currentDecoDisplay = decoDisplay;

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

    Node *displayRenderNode = _currentDecoDisplay == NULL ? NULL : _currentDecoDisplay->getDisplay();
    if (_displayRenderNode)
    {
        if (dynamic_cast<Armature *>(_displayRenderNode) != NULL)
        {
            _bone->setChildArmature(NULL);
        }

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

    _displayRenderNode = displayRenderNode;

    if(_displayRenderNode)
    {
        if (dynamic_cast<Armature *>(_displayRenderNode) != NULL)
        {
            _bone->setChildArmature((Armature *)_displayRenderNode);
        }
        _displayRenderNode->retain();
		_displayRenderNode->setVisible(_visible);
    }
}

Node *DisplayManager::getDisplayRenderNode()
{
    return _displayRenderNode;
}

int DisplayManager::getCurrentDisplayIndex()
{
    return _displayIndex;
}

DecorativeDisplay *DisplayManager::getCurrentDecorativeDisplay()
{
    return _currentDecoDisplay;
}

DecorativeDisplay *DisplayManager::getDecorativeDisplayByIndex( int index)
{
    return (DecorativeDisplay *)_decoDisplayList->objectAtIndex(index);
}

void DisplayManager::initDisplayList(BoneData *boneData)
{
    CC_SAFE_DELETE(_decoDisplayList);
    _decoDisplayList = Array::create();
    _decoDisplayList->retain();

    CS_RETURN_IF(!boneData);

    Object *object = NULL;
    Array *displayDataList = &boneData->displayDataList;
    CCARRAY_FOREACH(displayDataList, object)
    {
        DisplayData *displayData = (DisplayData *)object;

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

        DisplayFactory::createDisplay(_bone, decoDisplay);

        _decoDisplayList->addObject(decoDisplay);
    }
}


bool DisplayManager::containPoint(Point &point)
{
    if(!_visible || _displayIndex < 0)
    {
        return false;
    }

    bool ret = false;

    switch (_currentDecoDisplay->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.
         *
         */

        Point outPoint = ccp(0, 0);

        Sprite *sprite = (Sprite *)_currentDecoDisplay->getDisplay();
        sprite = (Sprite *)sprite->getChildByTag(0);

        ret = CC_SPRITE_CONTAIN_POINT_WITH_RETURN(sprite, point, outPoint);

    }
    break;

    default:
        break;
    }
    return ret;
}

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


void DisplayManager::setVisible(bool visible)
{
    if(!_displayRenderNode)
        return;

    _visible = visible;
    _displayRenderNode->setVisible(visible);
}

bool DisplayManager::isVisible()
{
    return _visible;
}


Size DisplayManager::getContentSize()
{
    CS_RETURN_IF(!_displayRenderNode) CCSizeMake(0, 0);
    return _displayRenderNode->getContentSize();
}

Rect DisplayManager::getBoundingBox()
{
    CS_RETURN_IF(!_displayRenderNode) CCRectMake(0, 0, 0, 0);
    return _displayRenderNode->boundingBox();
}


Point DisplayManager::getAnchorPoint()
{
    CS_RETURN_IF(!_displayRenderNode) ccp(0, 0);
    return _displayRenderNode->getAnchorPoint();
}

Point DisplayManager::getAnchorPointInPoints()
{
    CS_RETURN_IF(!_displayRenderNode) ccp(0, 0);
    return _displayRenderNode->getAnchorPointInPoints();
}


}}} // namespace cocos2d { namespace extension { namespace armature {