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                                         self.state["turn"] = p # "turn" contains the player who's turn it is
  22                                 #try:
  23                                 if True:
  24                                         [x,y] = p.select() # Player selects a square
  25                                         if self.stopped():
  26                                                 break
  27
  28                                         result = self.board.select(x, y, colour = p.colour)
  29                                         for p2 in self.players:
  30                                                 p2.update(result) # Inform players of what happened
  31
  32
  33
  34                                         target = self.board.grid[x][y]
  35                                         if isinstance(graphics, GraphicsThread):
  36                                                 with graphics.lock:
  37                                                         graphics.state["moves"] = self.board.possible_moves(target)
  38                                                         graphics.state["select"] = target
  39
  40                                         time.sleep(turn_delay)
  41
  42
  43                                         if len(self.board.possible_moves(target)) == 0:
  44                                                 #print "Piece cannot move"
  45                                                 target.deselect()
  46                                                 if isinstance(graphics, GraphicsThread):
  47                                                         with graphics.lock:
  48                                                                 graphics.state["moves"] = None
  49                                                                 graphics.state["select"] = None
  50                                                                 graphics.state["dest"] = None
  51                                                 continue
  52
  53                                         try:
  54                                                 [x2,y2] = p.get_move() # Player selects a destination
  55                                         except:
  56                                                 self.stop()
  57
  58                                         if self.stopped():
  59                                                 break
  60
  61                                         result = self.board.update_move(x, y, x2, y2)
  62                                         for p2 in self.players:
  63                                                 p2.update(str(x) + " " + str(y) + " -> " + str(x2) + " " + str(y2)) # Inform players of what happened
  64
  65                                         if isinstance(graphics, GraphicsThread):
  66                                                 with graphics.lock:
  67                                                         graphics.state["moves"] = [[x2,y2]]
  68
  69                                         time.sleep(turn_delay)
  70
  71                                         if isinstance(graphics, GraphicsThread):
  72                                                 with graphics.lock:
  73                                                         graphics.state["select"] = None
  74                                                         graphics.state["dest"] = None
  75                                                         graphics.state["moves"] = None
  76
  77                         # Commented out exception stuff for now, because it makes it impossible to tell if I made an IndentationError somewhere
  78                                 #except Exception,e:
  79                                         #result = "ILLEGAL " + e.message
  80                                         #sys.stderr.write(result + "\n")
  81
  82                                         #self.stop()
  83                                         #with self.lock:
  84                                         #       self.final_result = self.state["turn"].colour + " " + "ILLEGAL"
  85
  86                                 if self.board.king["black"] == None:
  87                                         if self.board.king["white"] == None:
  88                                                 with self.lock:
  89                                                         self.final_result = "DRAW"
  90                                         else:
  91                                                 with self.lock:
  92                                                         self.final_result = "white"
  93                                         self.stop()
  94                                 elif self.board.king["white"] == None:
  95                                         with self.lock:
  96                                                 self.final_result = "black"
  97                                         self.stop()
  98
  99
 100                                 if self.stopped():
 101                                         break
 102
 103
 104                 for p2 in self.players:
 105                         p2.quit(self.final_result)
 106
 107                 graphics.stop()
 108
 109
 110
 111
 112 def opponent(colour):
 113         if colour == "white":
 114                 return "black"
 115         else:
 116                 return "white"