It was somewhat confusing and offered no real benefit allowing players to leave 0 units in a tile while still owning it. This PR makes 2 related changes:
Require at least 2 units in a tile to attack from it, so you can never attack with your last unit on a tile
Prevent moving the last unit out of a tile. If a tile has 3 units, you can only move up to 2 of them. The move UI now tells you the maximum number of units you can move.
Resolves #6 Resolves #7
It was somewhat confusing and offered no real benefit allowing players to leave 0 units in a tile while still owning it. This PR makes 2 related changes: