void EntitySystem::CreateAndAttachComponent(
Entity e,
COMPONENT_TYPE type,
BaseComponent::Data& data )
{
// unfortunately, it appears we have to create the component
// and try to insert it. It's easier than iterating through the set.
BaseComponent* c = _create_component_map()[ type ]();
c->SetData( data );
// result.second indicates success
std::pair< BaseComponentPtrSet::iterator, bool > result =
_entity_map[ e ].insert( c );
if( !result.second )
{
c->~BaseComponent();
_aligned_free( c );
c = 0;
}
else
{
// The insertion succeeded, so we need to add the entity to the
// component's list now
_component_type_map[ type ].insert( e );
}
}
