qchess/game.py

   1
   2 # A thread that runs the game
   3 class GameThread(StoppableThread):
   4         def __init__(self, board, players):
   5                 StoppableThread.__init__(self)
   6                 self.board = board
   7                 self.players = players
   8                 self.state = {"turn" : None} # The game state
   9                 self.error = 0 # Whether the thread exits with an error
  10                 self.lock = threading.RLock() #lock for access of self.state
  11                 self.cond = threading.Condition() # conditional for some reason, I forgot
  12                 self.final_result = ""
  13
  14         # Run the game (run in new thread with start(), run in current thread with run())
  15         def run(self):
  16                 result = ""
  17                 while not self.stopped():
  18
  19                         for p in self.players:
  20                                 with self.lock:
  21                                         if isinstance(p, NetworkSender):
  22                                                 self.state["turn"] = p.base_player # "turn" contains the player who's turn it is
  23                                         else:
  24                                                 self.state["turn"] = p
  25                                 try:
  26                                         [x,y] = p.select() # Player selects a square
  27                                         if self.stopped():
  28                                                 break
  29
  30
  31
  32
  33                                         result = self.board.select(x, y, colour = p.colour)
  34                                         for p2 in self.players:
  35                                                 p2.update(result) # Inform players of what happened
  36
  37
  38
  39                                         target = self.board.grid[x][y]
  40                                         if isinstance(graphics, GraphicsThread):
  41                                                 with graphics.lock:
  42                                                         graphics.state["moves"] = self.board.possible_moves(target)
  43                                                         graphics.state["select"] = target
  44
  45                                         time.sleep(turn_delay)
  46
  47
  48                                         if len(self.board.possible_moves(target)) == 0:
  49                                                 #print "Piece cannot move"
  50                                                 target.deselect()
  51                                                 if isinstance(graphics, GraphicsThread):
  52                                                         with graphics.lock:
  53                                                                 graphics.state["moves"] = None
  54                                                                 graphics.state["select"] = None
  55                                                                 graphics.state["dest"] = None
  56                                                 continue
  57
  58                                         try:
  59                                                 [x2,y2] = p.get_move() # Player selects a destination
  60                                         except:
  61                                                 self.stop()
  62
  63                                         if self.stopped():
  64                                                 break
  65
  66                                         result = self.board.update_move(x, y, x2, y2)
  67                                         for p2 in self.players:
  68                                                 p2.update(str(x) + " " + str(y) + " -> " + str(x2) + " " + str(y2)) # Inform players of what happened
  69
  70                                         if isinstance(graphics, GraphicsThread):
  71                                                 with graphics.lock:
  72                                                         graphics.state["moves"] = [[x2,y2]]
  73
  74                                         time.sleep(turn_delay)
  75
  76                                         if isinstance(graphics, GraphicsThread):
  77                                                 with graphics.lock:
  78                                                         graphics.state["select"] = None
  79                                                         graphics.state["dest"] = None
  80                                                         graphics.state["moves"] = None
  81
  82                         # Commented out exception stuff for now, because it makes it impossible to tell if I made an IndentationError somewhere
  83                                 except Exception,e:
  84                                         result = e.message
  85                                         #sys.stderr.write(result + "\n")
  86
  87                                         self.stop()
  88                                         with self.lock:
  89                                                 self.final_result = self.state["turn"].colour + " " + e.message
  90
  91                                 if self.board.king["black"] == None:
  92                                         if self.board.king["white"] == None:
  93                                                 with self.lock:
  94                                                         self.final_result = self.state["turn"].colour + " DRAW"
  95                                         else:
  96                                                 with self.lock:
  97                                                         self.final_result = "white"
  98                                         self.stop()
  99                                 elif self.board.king["white"] == None:
 100                                         with self.lock:
 101                                                 self.final_result = "black"
 102                                         self.stop()
 103
 104
 105                                 if self.stopped():
 106                                         break
 107
 108
 109                 for p2 in self.players:
 110                         p2.quit(self.final_result)
 111
 112                 graphics.stop()
 113
 114
 115
 116
 117 def opponent(colour):
 118         if colour == "white":
 119                 return "black"
 120         else:
 121                 return "white"