* Floor movement power usage, and show it on the displayed line
* Add auto-move to attack
* Re-style cancel button and allow to cancel by clicking the action again
* Add equipment info (or summary) in ship tooltip
* Handle effects overflowing ship tooltip when too numerous
* Proper arena scaling (not graphical, only space coordinates)
* Mobile: think UI layout so that fingers do not block the view (right and left handed)
* Mobile: targetting in two times, using a draggable target indicator
* Add a defeat screen (game over for now)
* Add a victory screen, with loot display
* Add retreat from battle