-- Logical version of the Egg. An egg appears when some associated
-- piece, a Changeling is shot. Barring
-- any intervening event the Egg will revert to its associated piece
-- at the Egg's position after some specified period. When an _egg_ 
-- is shot it disappears from the room for some specified period, after which
-- it reverts to its associated piece and attempt to return to that piece's
-- starting location.

deferred class EGG

-- For better or worse I've made this a relatively dumb class, preferring
-- to keep most of the intelligence in CHANGELING.

-- Most pieces are managed by the room. Here Changeling takes care of
-- its egg. Should try to be consistent about this when other pieces
-- spawn new ones. Either get the room back involved or have the
-- "spawner" manage the "spawnees".


inherit

  MOBILE
  redefine
    receive_bullet
  end

feature{NONE}


feature

  blocks_glare : BOOLEAN is True
  blocks_shots : BOOLEAN is True

  changeling : CHANGELING

  receive_bullet is
  -- I've been shot and I need to let my controlling Changeling
  -- know about it.
  do
    changeling.prepare_to_reappear
  end

end