My world animal refresh mechanism

Power generation location, capacity limit, refresh rate, and refreshable block.

1, generating location. Animals are mainly produced in grass squares, usually in open grasslands, and wild animals such as pigs, cows, sheep, chickens and rabbits are refreshed in such an environment. In contrast, animals cannot be born in mountains or caves made of stones. These places mainly refresh monsters such as zombies, skeletons and coolies when the light is insufficient.