// 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); }