Fixed some issues

Fixed some null pointers, causing portals to not generate
Fixes #1
Fixes #3
Fixes #4

Full Changelog: v1.4.9-rc2-mc1.18.2-forge...v1.4.9-rc2-mc1.18.2-forge

Initial Forge port: Feature parity v1.4.8

Initial Forge port.

The attached file is compiled and reobfuscated.