Surface Adjoin Flags
HexDecPurpose
0x11JK will render through the adjoin.
0x22Adjoin allows things to cross through it.
0x44Unknown.
0x88Unknown.
0x1016Adjoin does not allow players to cross through it.
0x2032Rendering through the adjoin has been disabled by SetSectorAdjoins().
0x4064Unknown.
0x80128Unknown. All adjoins are given this flag on startup.