// override removeChild:
void CCParticleBatchNode::removeChild(CCNode* child, bool cleanup)
{
// explicit nil handling
if (child == NULL)
{
return;
}
CCAssert( dynamic_cast<CCParticleSystem*>(child) != NULL, "CCParticleBatchNode only supports CCQuadParticleSystems as children");
CCAssert(m_pChildren->containsObject(child), "CCParticleBatchNode doesn't contain the sprite. Can't remove it");
CCParticleSystem* pChild = (CCParticleSystem*)child;
CCNode::removeChild(pChild, cleanup);
// remove child helper
m_pTextureAtlas->removeQuadsAtIndex(pChild->getAtlasIndex(), pChild->getTotalParticles());
// after memmove of data, empty the quads at the end of array
m_pTextureAtlas->fillWithEmptyQuadsFromIndex(m_pTextureAtlas->getTotalQuads(), pChild->getTotalParticles());
// particle could be reused for self rendering
pChild->setBatchNode(NULL);
updateAllAtlasIndexes();
}
void CCParticleBatchNode::addChild(CCNode * child, int zOrder, int tag)
{
CCAssert( child != NULL, "Argument must be non-NULL");
CCAssert( dynamic_cast<CCParticleSystem*>(child) != NULL, "CCParticleBatchNode only supports CCQuadParticleSystems as children");
CCParticleSystem* pChild = (CCParticleSystem*)child;
CCAssert( pChild->getTexture()->getName() == m_pTextureAtlas->getTexture()->getName(), "CCParticleSystem is not using the same texture id");
// If this is the 1st children, then copy blending function
if( m_pChildren->count() == 0 )
{
setBlendFunc(pChild->getBlendFunc());
}
CCAssert( m_tBlendFunc.src == pChild->getBlendFunc().src && m_tBlendFunc.dst == pChild->getBlendFunc().dst, "Can't add a PaticleSystem that uses a different blending function");
//no lazy sorting, so don't call super addChild, call helper instead
unsigned int pos = addChildHelper(pChild,zOrder,tag);
//get new atlasIndex
unsigned int atlasIndex = 0;
if (pos != 0)
{
CCParticleSystem* p = (CCParticleSystem*)m_pChildren->objectAtIndex(pos-1);
atlasIndex = p->getAtlasIndex() + p->getTotalParticles();
}
else
{
atlasIndex = 0;
}
insertChild(pChild, atlasIndex);
// update quad info
pChild->setBatchNode(this);
}
