void SpriteBatchNode::removeSpriteFromAtlas(Sprite *sprite)
{
// remove from TextureAtlas
_textureAtlas->removeQuadAtIndex(sprite->getAtlasIndex());
// Cleanup sprite. It might be reused (issue #569)
sprite->setBatchNode(nullptr);
auto it = std::find(_descendants.begin(), _descendants.end(), sprite );
if( it != _descendants.end() )
{
auto next = std::next(it);
Sprite *spr = nullptr;
for(; next != _descendants.end(); ++next) {
spr = *next;
spr->setAtlasIndex( spr->getAtlasIndex() - 1 );
}
_descendants.erase(it);
}
// remove children recursively
auto& children = sprite->getChildren();
for(const auto &obj: children) {
Sprite* child = static_cast<Sprite*>(obj);
if (child)
{
removeSpriteFromAtlas(child);
}
}
}
void CABatchView::removeSubview(CAView* subview)
{
CAView *pSprite = (CAView*)(subview);
if (pSprite == NULL)
{
return;
}
removeSpriteFromAtlas(pSprite);
CAView::removeSubview(pSprite);
}
void CCSpriteBatchNode::removeAllChildrenWithCleanup(bool bCleanup)
{
// Invalidate atlas index. issue #569
if (m_pChildren && m_pChildren->count() > 0)
{
CCObject* pObject = NULL;
CCARRAY_FOREACH(m_pChildren, pObject)
{
CCSprite* pChild = (CCSprite*) pObject;
if (pChild)
{
removeSpriteFromAtlas(pChild);
}
}
// override remove child
void SpriteBatchNode::removeChild(Node *child, bool cleanup)
{
Sprite *pSprite = (Sprite*)(child);
// explicit null handling
if (pSprite == NULL)
{
return;
}
CCASSERT(_children->containsObject(pSprite), "sprite batch node should contain the child");
// cleanup before removing
removeSpriteFromAtlas(pSprite);
Node::removeChild(pSprite, cleanup);
}
// override remove child
void CCSpriteBatchNode::removeChild(CCNode *child, bool cleanup)
{
CCSprite *pSprite = (CCSprite*)(child);
// explicit null handling
if (pSprite == NULL)
{
return;
}
assert(m_pChildren->containsObject(pSprite));
// cleanup before removing
removeSpriteFromAtlas(pSprite);
CCNode::removeChild(pSprite, cleanup);
}
// override remove child
//将一个CCNode指针从子结点数组中删除，并根所参数决定是否释放元素
void CCSpriteBatchNode::removeChild(CCNode *child, bool cleanup)
{
CCSprite *pSprite = (CCSprite*)(child);
// explicit null handling
if (pSprite == NULL)
{
return;
}
//确保子结点树中有pSprite
CCAssert(m_pChildren->containsObject(pSprite), "sprite batch node should contain the child");
// cleanup before removing//移除一个指定的CCSprite指针
removeSpriteFromAtlas(pSprite);
//调用基类的移除子结点函数
CCNode::removeChild(pSprite, cleanup);
}
// override remove child
void SpriteBatchNode::removeChild(Node *child, bool cleanup)
{
Sprite *sprite = static_cast<Sprite*>(child);
// explicit null handling
if (sprite == nullptr)
{
return;
}
CCASSERT(_children.contains(sprite), "sprite batch node should contain the child");
// cleanup before removing
removeSpriteFromAtlas(sprite);
Node::removeChild(sprite, cleanup);
}
/// override remove child
KDvoid CCSpriteBatchNode::removeChild ( CCNode* pChild, KDbool bCleanup )
{
CCSprite* pSprite = (CCSprite *) ( pChild );
// explicit null handling
if ( pSprite == KD_NULL )
{
return;
}
CCAssert ( m_pChildren->containsObject ( pSprite ), "sprite batch node should contain the child" );
// cleanup before removing
removeSpriteFromAtlas ( pSprite );
CCNode::removeChild ( pSprite, bCleanup );
}
void CCSpriteBatchNode::removeSpriteFromAtlas(CCSprite *pobSprite)
{
// remove from TextureAtlas
m_pobTextureAtlas->removeQuadAtIndex(pobSprite->getAtlasIndex());
// Cleanup sprite. It might be reused (issue #569)
pobSprite->useSelfRender();
unsigned int uIndex = m_pobDescendants->getIndexOfObject(pobSprite);
if (uIndex != -1)
{
m_pobDescendants->removeObjectAtIndex(uIndex);
// update all sprites beyond this one
unsigned int count = m_pobDescendants->count();
for(; uIndex < count; ++uIndex)
{
CCSprite* s = (CCSprite*)(m_pobDescendants->getObjectAtIndex(uIndex));
s->setAtlasIndex( s->getAtlasIndex() - 1 );
}
}
// remove children recursively
NSMutableArray<CCNode*> *pChildren = pobSprite->getChildren();
if (pChildren && pChildren->count() > 0)
{
CCSprite *pSprite;
NSMutableArray<CCNode*>::NSMutableArrayIterator iter;
for (iter = pChildren->begin(); iter != pChildren->end(); ++iter)
{
pSprite = (CCSprite*)(*iter);
if (! pSprite)
{
break;
}
removeSpriteFromAtlas(pSprite);
}
}
}
