qchess/src/game.py

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   6 # A thread that runs the game
   7 class GameThread(StoppableThread):
   8         def __init__(self, board, players, server = True):
   9                 StoppableThread.__init__(self)
  10                 self.board = board
  11                 self.players = players
  12                 self.state = {"turn" : None} # The game state
  13                 self.error = 0 # Whether the thread exits with an error
  14                 self.lock = threading.RLock() #lock for access of self.state
  15                 self.cond = threading.Condition() # conditional for some reason, I forgot
  16                 self.final_result = ""
  17                 self.server = server
  18
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  20
  21
  22
  23
  24         # Run the game (run in new thread with start(), run in current thread with run())
  25         def run(self):
  26                 result = ""
  27                 while not self.stopped():
  28
  29                         for p in self.players:
  30                                 with self.lock:
  31                                         self.state["turn"] = p.base_player()
  32                                 try:
  33                                 #if True:
  34                                         [x,y] = p.select() # Player selects a square
  35                                         if self.stopped():
  36                                                 #debug("Quitting in select")
  37                                                 break
  38
  39                                         if isinstance(p, NetworkPlayer):
  40                                                 if p.network.server == True:
  41                                                         result = self.board.select(x, y, colour = p.colour)
  42                                                 else:
  43                                                         result = None
  44
  45                                         else:
  46                                                 result = self.board.select(x, y, colour = p.colour)
  47
  48                                         result = p.update(result)
  49                                         if self.stopped():
  50                                                 break
  51                                         for p2 in self.players:
  52                                                 if p2 == p:
  53                                                         continue
  54                                                 p2.update(result) # Inform players of what happened
  55                                                 if self.stopped():
  56                                                         break
  57
  58                                         if self.stopped():
  59                                                 break
  60
  61
  62                                         log(result)
  63
  64                                         target = self.board.grid[x][y]
  65                                         if isinstance(graphics, GraphicsThread):
  66                                                 with graphics.lock:
  67                                                         graphics.state["moves"] = self.board.possible_moves(target)
  68                                                         graphics.state["select"] = target
  69
  70                                         time.sleep(turn_delay)
  71
  72
  73                                         if len(self.board.possible_moves(target)) == 0:
  74                                                 #print "Piece cannot move"
  75                                                 target.deselect()
  76                                                 if isinstance(graphics, GraphicsThread):
  77                                                         with graphics.lock:
  78                                                                 graphics.state["moves"] = None
  79                                                                 graphics.state["select"] = None
  80                                                                 graphics.state["dest"] = None
  81                                                 continue
  82
  83                                         #try:
  84                                         [x2,y2] = p.get_move() # Player selects a destination
  85                                         #except:
  86                                         #       self.stop()
  87
  88                                         if self.stopped():
  89                                                 #debug("Quitting in get_move")
  90                                                 break
  91
  92                                         if isinstance(p, NetworkPlayer):
  93                                                 if p.network.server == True:
  94                                                         result = str(x) + " " + str(y) + " -> " + str(x2) + " " + str(y2)
  95                                                         self.board.update_move(x, y, x2, y2)
  96                                                 else:
  97                                                         result = None
  98
  99                                         else:
 100                                                 result = str(x) + " " + str(y) + " -> " + str(x2) + " " + str(y2)
 101                                                 self.board.update_move(x, y, x2, y2)
 102
 103                                         result = p.update(result)
 104                                         if self.stopped():
 105                                                 break
 106                                         for p2 in self.players:
 107                                                 if p2 == p:
 108                                                         continue
 109                                                 p2.update(result) # Inform players of what happened
 110                                                 if self.stopped():
 111                                                         break
 112
 113                                         if self.stopped():
 114                                                 break
 115
 116
 117
 118                                         log(result)
 119
 120
 121
 122
 123                                         if isinstance(graphics, GraphicsThread):
 124                                                 with graphics.lock:
 125                                                         graphics.state["moves"] = [[x2,y2]]
 126
 127                                         time.sleep(turn_delay)
 128
 129                                         if isinstance(graphics, GraphicsThread):
 130                                                 with graphics.lock:
 131                                                         graphics.state["select"] = None
 132                                                         graphics.state["dest"] = None
 133                                                         graphics.state["moves"] = None
 134
 135
 136                                         end = self.board.end_condition()
 137                                         if end != None:
 138                                                 with self.lock:
 139                                                         if end == "DRAW":
 140                                                                 self.final_result = self.state["turn"].colour + " " + end
 141                                                         else:
 142                                                                 self.final_result = end
 143                                                 self.stop()
 144
 145                                         if self.stopped():
 146                                                 break
 147                                 except Exception,e:
 148                                 #if False:
 149                                         result = e.message
 150                                         #sys.stderr.write(result + "\n")
 151
 152                                         self.stop()
 153
 154                                         with self.lock:
 155                                                 self.final_result = self.state["turn"].colour + " " + e.message
 156                                         break
 157
 158
 159
 160                 for p2 in self.players:
 161                         p2.quit(self.final_result)
 162
 163                 log(self.final_result)
 164
 165                 if isinstance(graphics, GraphicsThread):
 166                         graphics.stop()
 167
 168
 169 # A thread that replays a log file
 170 class ReplayThread(GameThread):
 171         def __init__(self, players, src, end=False,max_moves=None):
 172                 self.board = Board(style="empty")
 173                 self.board.max_moves = max_moves
 174                 GameThread.__init__(self, self.board, players)
 175                 self.src = src
 176                 self.end = end
 177
 178                 self.reset_board(self.src.readline())
 179
 180         def reset_board(self, line):
 181                 agent_str = ""
 182                 self_str = ""
 183                 while line != "# Start game" and line != "# EOF":
 184
 185                         while line == "":
 186                                 line = self.src.readline().strip(" \r\n")
 187                                 continue
 188
 189                         if line[0] == '#':
 190                                 line = self.src.readline().strip(" \r\n")
 191                                 continue
 192
 193                         self_str += line + "\n"
 194
 195                         if self.players[0].name == "dummy" and self.players[1].name == "dummy":
 196                                 line = self.src.readline().strip(" \r\n")
 197                                 continue
 198
 199                         tokens = line.split(" ")
 200                         types = map(lambda e : e.strip("[] ,'"), tokens[2:4])
 201                         for i in range(len(types)):
 202                                 if types[i][0] == "?":
 203                                         types[i] = "unknown"
 204
 205                         agent_str += tokens[0] + " " + tokens[1] + " " + str(types) + " ".join(tokens[4:]) + "\n"
 206                         line = self.src.readline().strip(" \r\n")
 207
 208                 for p in self.players:
 209                         p.reset_board(agent_str)
 210
 211
 212                 self.board.reset_board(self_str)
 213
 214
 215         def run(self):
 216                 move_count = 0
 217                 last_line = ""
 218                 line = self.src.readline().strip(" \r\n")
 219                 while line != "# EOF":
 220
 221
 222                         if self.stopped():
 223                                 break
 224
 225                         if len(line) <= 0:
 226                                 continue
 227
 228
 229                         if line[0] == '#':
 230                                 last_line = line
 231                                 line = self.src.readline().strip(" \r\n")
 232                                 continue
 233
 234                         tokens = line.split(" ")
 235                         if tokens[0] == "white" or tokens[0] == "black":
 236                                 self.reset_board(line)
 237                                 last_line = line
 238                                 line = self.src.readline().strip(" \r\n")
 239                                 continue
 240
 241                         move = line.split(":")
 242                         move = move[len(move)-1].strip(" \r\n")
 243                         tokens = move.split(" ")
 244
 245
 246                         try:
 247                                 [x,y] = map(int, tokens[0:2])
 248                         except:
 249                                 last_line = line
 250                                 self.stop()
 251                                 break
 252
 253                         log(move)
 254
 255                         target = self.board.grid[x][y]
 256                         with self.lock:
 257                                 if target.colour == "white":
 258                                         self.state["turn"] = self.players[0]
 259                                 else:
 260                                         self.state["turn"] = self.players[1]
 261
 262                         move_piece = (tokens[2] == "->")
 263                         if move_piece:
 264                                 [x2,y2] = map(int, tokens[len(tokens)-2:])
 265
 266                         if isinstance(graphics, GraphicsThread):
 267                                 with graphics.lock:
 268                                         graphics.state["select"] = target
 269
 270                         if not move_piece:
 271                                 self.board.update_select(x, y, int(tokens[2]), tokens[len(tokens)-1])
 272                                 if isinstance(graphics, GraphicsThread):
 273                                         with graphics.lock:
 274                                                 if target.current_type != "unknown":
 275                                                         graphics.state["moves"] = self.board.possible_moves(target)
 276                                                 else:
 277                                                         graphics.state["moves"] = None
 278                                         time.sleep(turn_delay)
 279                         else:
 280                                 self.board.update_move(x, y, x2, y2)
 281                                 if isinstance(graphics, GraphicsThread):
 282                                         with graphics.lock:
 283                                                 graphics.state["moves"] = [[x2,y2]]
 284                                         time.sleep(turn_delay)
 285                                         with graphics.lock:
 286                                                 graphics.state["select"] = None
 287                                                 graphics.state["moves"] = None
 288                                                 graphics.state["dest"] = None
 289
 290
 291
 292
 293
 294                         for p in self.players:
 295                                 p.update(move)
 296
 297                         last_line = line
 298                         line = self.src.readline().strip(" \r\n")
 299
 300
 301                         end = self.board.end_condition()
 302                         if end != None:
 303                                 self.final_result = end
 304                                 self.stop()
 305                                 break
 306
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 319
 320
 321                 if self.end and isinstance(graphics, GraphicsThread):
 322                         #graphics.stop()
 323                         pass # Let the user stop the display
 324                 elif not self.end and self.board.end_condition() == None:
 325                         global game
 326                         # Work out the last move
 327
 328                         t = last_line.split(" ")
 329                         if t[len(t)-2] == "black":
 330                                 self.players.reverse()
 331                         elif t[len(t)-2] == "white":
 332                                 pass
 333                         elif self.state["turn"] != None and self.state["turn"].colour == "white":
 334                                 self.players.reverse()
 335
 336
 337                         game = GameThread(self.board, self.players)
 338                         game.run()
 339                 else:
 340                         pass
 341
 342
 343
 344 def opponent(colour):
 345         if colour == "white":
 346                 return "black"
 347         else:
 348                 return "white"