* Replace the teleportation logic on the SCRAM implant!
Now instead of just trying to pick a random tile in range 20 times, the
scram teleportation logic now:
- Gets a list of grids in range
- Until a suitable tile is picked it picks a random grid
- From that grid it picks a random tile.
- If the tile is suitable, then it is set as the target and the user
will be teleported there.
- Grids and tiles are randomly picked as outlined above until a valid
tile is found, or all valid grids and tiles are exhausted.
- Should no suitable tile be found then they get teleported to the same
position they are at. Effectively not teleporting them.
* Actually make the defaults sane which I forgor in the last commit
* Extract tile section to its own function. Bias selection for current grid. Use proper coords for box.
* Address reviews as much as possible
* Address reviews
