Revert "Finalize some classes"

This reverts commit 67bb5db58f709e1d710aad0e958db9995c7da162.
Revert "Revert "Finalize some classes""

This reverts commit 98b80bfb11675e278832c93dddbeb938f21f4bfd.
Collision work....sigh.
Hopeful jar native fix

Commiting this murdered my CPU for 5 minutes.
Patched jar natives