simplify next player logic

GameState.py

@@ -1,11 +1,13 @@
 import logging
 from lamps.LampGroup import PLAYER_LAMPS
 from lamps.Lamp import CREDIT
+from itertools import cycle
 
 class GameState:
     def __init__(self, players, highscore, specialDisplay, currentPlayerID = 0):
         CREDIT.activate()
-        self.players = players
+        self.players = cycle(players)
+        self._currentPlayer = cycle.next()
         self.gameStateID = currentPlayerID
         self.highscore = highscore
         self.credits = 3
@@ -15,29 +17,17 @@ class GameState:
         PLAYER_LAMPS.activateNext()
 
     def nextPlayer(self):
-        if not self.isPlaying:
-            self.isPlaying = True
-            nextPlayer = self.players[0].id
-        else:
-            nextPlayer = self.players[1].id
-        self.currentPlayer = nextPlayer
+        self._currentPlayer = next(self.players)
 
     @property
     def currentPlayer(self):
-        return self.players[0]
+        return self._currentPlayer
 
     @currentPlayer.setter
-    def currentPlayer(self, playerId):
-        if(playerId > len(self.players)):
-            pass # todo throw error
-
-        logging.info("Set active player to player " + str(playerId))
-
-        savedPlayer = self.players[0]
-        self.players[0] = next(filter(lambda x: playerId == x.id, self.players))
-        self.players.remove(savedPlayer)
-        self.players.append(savedPlayer)
+    def currentPlayer(self, player):
+        logging.info("Set active player to player " + str(player.id))
 
+        self._currentPlayer = player
         PLAYER_LAMPS.deactivateCurrent()
         PLAYER_LAMPS.activateNext()