// Reorder will be done in this function, no "lazy" reorder to particles
void CCParticleBatchNode::reorderChild(CCNode * child, int zOrder)
{
CCAssert( child != NULL, "Child must be non-NULL");
CCAssert( dynamic_cast<CCParticleSystem*>(child) != NULL, "CCParticleBatchNode only supports CCQuadParticleSystems as children");
CCAssert( m_pChildren->containsObject(child), "Child doesn't belong to batch" );
CCParticleSystem* pChild = (CCParticleSystem*)(child);
if( zOrder == child->getZOrder() )
{
return;
}
// no reordering if only 1 child
if( m_pChildren->count() > 1)
{
unsigned int newIndex = 0, oldIndex = 0;
getCurrentIndex(&oldIndex, &newIndex, pChild, zOrder);
if( oldIndex != newIndex )
{
// reorder m_pChildren->array
pChild->retain();
m_pChildren->removeObjectAtIndex(oldIndex);
m_pChildren->insertObject(pChild, newIndex);
pChild->release();
// save old altasIndex
unsigned int oldAtlasIndex = pChild->getAtlasIndex();
// update atlas index
updateAllAtlasIndexes();
// Find new AtlasIndex
unsigned int newAtlasIndex = 0;
for( unsigned int i=0; i < m_pChildren->count(); i++)
{
CCParticleSystem* pNode = (CCParticleSystem*)m_pChildren->objectAtIndex(i);
if( pNode == pChild )
{
newAtlasIndex = pChild->getAtlasIndex();
break;
}
}
// reorder textureAtlas quads
m_pTextureAtlas->moveQuadsFromIndex(oldAtlasIndex, pChild->getTotalParticles(), newAtlasIndex);
pChild->updateWithNoTime();
}
}
pChild->setZOrder(zOrder);
}
