Add copy of entity to system and returns pointer to it. Added copy has same data as copied entity. Returen pointer is
valid only before one from commit(), begin() or end() will be called. To save entity to further use you should save ID
instead of pointer.
Add copy of entity to system and returns pointer to it. Added copy has same data as copied entity. Returen pointer is valid only before one from commit(), begin() or end() will be called. To save entity to further use you should save ID instead of pointer.