use built-in portal functionality for Hackman scenario #1651
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Previously, the logic to wrap horizontally was hand-coded, both for the player (using a dedicated monitor robot) and for ghosts (who, as system robots, implemented the teleportation themselves).
Now that we can use built-in portal functionality (#1356), no custom logic is needed to handle the teleportation. A (much-simplified) monitor robot still observes the base robot to award the hidden "World wrap" goal.
Demo