bool ComponentCollection::CopyComponentTo( ComponentCollection& destCollection, const ComponentPtr& destAttrib, const ComponentPtr& srcAttrib )
{
bool inserted = false;
Reflect::Registry* registry = Reflect::Registry::GetInstance();
tstring unused;
// If there is already an component in the destination slot, or the
// component is not in the destination, but is allowed to be...
if ( destCollection.ValidateComponent( destAttrib, unused ) )
{
// Component can be added to the destination collection, so do it!
srcAttrib->CopyTo( destAttrib );
destCollection.SetComponent( destAttrib, false );
inserted = true;
}
else
{
ComponentPtr existing = destCollection.GetComponent( destAttrib->GetSlot() );
if ( existing.ReferencesObject() )
{
destCollection.RemoveComponent( existing->GetSlot() );
if ( destCollection.ValidateComponent( destAttrib, unused ) )
{
srcAttrib->CopyTo( destAttrib );
destCollection.SetComponent( destAttrib, false );
inserted = true;
}
else
{
destCollection.SetComponent( existing, false );
}
}
}
return inserted;
}
