174: (Unused) One Way Swinging Gate

=Description= Another sprite ported from NSMB:DS, this gate will open when the player comes from a specific direction, rotate open 90°, and close shortly after the player has passed through it. It's somewhat buggy and not recommended for use in most levels, especially when multiple players are involved.

=Settings=    Enter from Left; Swings Down Enter from Right; Swings Up      Enter from Below; Swings Right Enter from Above; Swings Left  Enter from Right; Swings Down Enter from Left; Swings Up      Enter from Above; Swings Right Enter from Below; Swings Left