qchess/src/main.py

   1 #!/usr/bin/python -u
   2
   3 # Do you know what the -u does? It unbuffers stdin and stdout
   4 # I can't remember why, but last year things broke without that
   5
   6 """
   7         UCC::Progcomp 2013 Quantum Chess game
   8         @author Sam Moore [SZM] "matches"
   9         @copyright The University Computer Club, Incorporated
  10                 (ie: You can copy it for not for profit purposes)
  11 """
  12
  13 # system python modules or whatever they are called
  14 import sys
  15 import os
  16 import time
  17
  18 turn_delay = 0.5
  19 [game, graphics] = [None, None]
  20
  21 def make_player(name, colour):
  22         if name[0] == '@':
  23                 if name[1:] == "human":
  24                         return HumanPlayer(name, colour)
  25                 s = name[1:].split(":")
  26                 if s[0] == "network":
  27                         address = None
  28                         if len(s) > 1:
  29                                 address = s[1]
  30                         return NetworkReceiver(colour, address)
  31                 if s[0] == "internal":
  32
  33                         import inspect
  34                         internal_agents = inspect.getmembers(sys.modules[__name__], inspect.isclass)
  35                         internal_agents = [x for x in internal_agents if issubclass(x[1], InternalAgent)]
  36                         internal_agents.remove(('InternalAgent', InternalAgent))
  37
  38                         if len(s) != 2:
  39                                 sys.stderr.write(sys.argv[0] + " : '@internal' should be followed by ':' and an agent name\n")
  40                                 sys.stderr.write(sys.argv[0] + " : Choices are: " + str(map(lambda e : e[0], internal_agents)) + "\n")
  41                                 return None
  42
  43                         for a in internal_agents:
  44                                 if s[1] == a[0]:
  45                                         return a[1](name, colour)
  46
  47                         sys.stderr.write(sys.argv[0] + " : Can't find an internal agent matching \"" + s[1] + "\"\n")
  48                         sys.stderr.write(sys.argv[0] + " : Choices are: " + str(map(lambda e : e[0], internal_agents)) + "\n")
  49                         return None
  50
  51
  52         else:
  53                 return ExternalAgent(name, colour)
  54
  55
  56
  57 # The main function! It does the main stuff!
  58 def main(argv):
  59
  60         # Apparently python will silently treat things as local unless you do this
  61         # Anyone who says "You should never use a global variable" can die in a fire
  62         global game
  63         global graphics
  64
  65         global turn_delay
  66         global agent_timeout
  67         global log_file
  68         global src_file
  69         global graphics_enabled
  70         global always_reveal_states
  71
  72         max_lines = None
  73         src_file = None
  74
  75         style = "quantum"
  76         colour = "white"
  77
  78         # Get the important warnings out of the way
  79         if platform.system() == "Windows":
  80                 sys.stderr.write(sys.argv[0] + " : Warning - You are using " + platform.system() + "\n")
  81                 if platform.release() == "Vista":
  82                         sys.stderr.write(sys.argv[0] + " : God help you.\n")
  83
  84
  85         players = []
  86         i = 0
  87         while i < len(argv)-1:
  88                 i += 1
  89                 arg = argv[i]
  90                 if arg[0] != '-':
  91                         p = make_player(arg, colour)
  92                         if not isinstance(p, Player):
  93                                 sys.stderr.write(sys.argv[0] + " : Fatal error creating " + colour + " player\n")
  94                                 return 100
  95                         players.append(p)
  96                         if colour == "white":
  97                                 colour = "black"
  98                         elif colour == "black":
  99                                 pass
 100                         else:
 101                                 sys.stderr.write(sys.argv[0] + " : Too many players (max 2)\n")
 102                         continue
 103
 104                 # Option parsing goes here
 105                 if arg[1] == '-' and arg[2:] == "classical":
 106                         style = "classical"
 107                 elif arg[1] == '-' and arg[2:] == "quantum":
 108                         style = "quantum"
 109                 elif arg[1] == '-' and arg[2:] == "reveal":
 110                         always_reveal_states = True
 111                 elif (arg[1] == '-' and arg[2:] == "graphics"):
 112                         graphics_enabled = not graphics_enabled
 113                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "file"):
 114                         # Load game from file
 115                         if len(arg[2:].split("=")) == 1:
 116                                 src_file = sys.stdin
 117                         else:
 118                                 src_file = open(arg[2:].split("=")[1].split(":")[0])
 119
 120                         if len(arg[2:].split(":")) == 2:
 121                                 max_lines = int(arg[2:].split(":")[1])
 122
 123                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "log"):
 124                         # Log file
 125                         if len(arg[2:].split("=")) == 1:
 126                                 log_file = sys.stdout
 127                         else:
 128                                 log_file = open(arg[2:].split("=")[1], "w")
 129                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "delay"):
 130                         # Delay
 131                         if len(arg[2:].split("=")) == 1:
 132                                 turn_delay = 0
 133                         else:
 134                                 turn_delay = float(arg[2:].split("=")[1])
 135
 136                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "timeout"):
 137                         # Timeout
 138                         if len(arg[2:].split("=")) == 1:
 139                                 agent_timeout = -1
 140                         else:
 141                                 agent_timeout = float(arg[2:].split("=")[1])
 142
 143                 elif (arg[1] == '-' and arg[2:] == "help"):
 144                         # Help
 145                         os.system("less data/help.txt") # The best help function
 146                         return 0
 147
 148
 149         # Create the board
 150
 151         # Construct a GameThread! Make it global! Damn the consequences!
 152
 153         if src_file != None:
 154                 # Hack to stop ReplayThread from exiting
 155                 #if len(players) == 0:
 156                 #       players = [HumanPlayer("dummy", "white"), HumanPlayer("dummy", "black")]
 157
 158                 # Normally the ReplayThread exits if there are no players
 159                 # TODO: Decide which behaviour to use, and fix it
 160                 end = (len(players) == 0)
 161                 if end:
 162                         players = [Player("dummy", "white"), Player("dummy", "black")]
 163                 elif len(players) != 2:
 164                         sys.stderr.write(sys.argv[0] + " : Usage " + sys.argv[0] + " white black\n")
 165                         if graphics_enabled:
 166                                 sys.stderr.write(sys.argv[0] + " : (You won't get a GUI, because --file was used, and the author is lazy)\n")
 167                         return 44
 168                 game = ReplayThread(players, src_file, end=end, max_lines=max_lines)
 169         else:
 170                 board = Board(style)
 171                 game = GameThread(board, players)
 172
 173
 174
 175         # Initialise GUI
 176         if graphics_enabled == True:
 177                 try:
 178                         graphics = GraphicsThread(game.board, grid_sz = [64,64]) # Construct a GraphicsThread!
 179
 180                 except Exception,e:
 181                         graphics = None
 182                         sys.stderr.write(sys.argv[0] + " : Got exception trying to initialise graphics\n"+str(e.message)+"\nDisabled graphics\n")
 183                         graphics_enabled = False
 184
 185         # If there are no players listed, display a nice pretty menu
 186         if len(players) != 2:
 187                 if graphics != None:
 188                         players = graphics.SelectPlayers(players)
 189                 else:
 190                         sys.stderr.write(sys.argv[0] + " : Usage " + sys.argv[0] + " white black\n")
 191                         return 44
 192
 193         # If there are still no players, quit
 194         if players == None or len(players) != 2:
 195                 sys.stderr.write(sys.argv[0] + " : Graphics window closed before players chosen\n")
 196                 return 45
 197
 198
 199         # Wrap NetworkSender players around original players if necessary
 200         for i in range(len(players)):
 201                 if isinstance(players[i], NetworkReceiver):
 202                         players[i].board = board # Network players need direct access to the board
 203                         for j in range(len(players)):
 204                                 if j == i:
 205                                         continue
 206                                 if isinstance(players[j], NetworkSender) or isinstance(players[j], NetworkReceiver):
 207                                         continue
 208                                 players[j] = NetworkSender(players[j], players[i].address)
 209                                 players[j].board = board
 210
 211         # Connect the networked players
 212         for p in players:
 213                 if isinstance(p, NetworkSender) or isinstance(p, NetworkReceiver):
 214                         if graphics != None:
 215                                 graphics.board.display_grid(graphics.window, graphics.grid_sz)
 216                                 graphics.message("Connecting to " + p.colour + " player...")
 217                         p.connect()
 218
 219
 220         # If using windows, select won't work; use horrible TimeoutPlayer hack
 221         if agent_timeout > 0:
 222                 if platform.system() == "Windows":
 223                         for i in range(len(players)):
 224                                 if isinstance(players[i], ExternalAgent) or isinstance(players[i], InternalAgent):
 225                                         players[i] = TimeoutPlayer(players[i], agent_timeout)
 226
 227                 else:
 228                         warned = False
 229                         # InternalAgents get wrapped to an ExternalAgent when there is a timeout
 230                         # This is not confusing at all.
 231                         for i in range(len(players)):
 232                                 if isinstance(players[i], InternalAgent):
 233                                                 players[i] = ExternalWrapper(players[i])
 234
 235
 236
 237
 238
 239
 240
 241         log_init(game.board, players)
 242
 243
 244         if graphics != None:
 245                 game.start() # This runs in a new thread
 246                 graphics.run()
 247                 if game.is_alive():
 248                         game.join()
 249
 250
 251                 error = game.error + graphics.error
 252         else:
 253                 game.run()
 254                 error = game.error
 255
 256
 257         if log_file != None and log_file != sys.stdout:
 258                 log_file.write("# EOF\n")
 259                 log_file.close()
 260
 261         if src_file != None and src_file != sys.stdin:
 262                 src_file.close()
 263
 264         return error
 265
 266 # This is how python does a main() function...
 267 if __name__ == "__main__":
 268         try:
 269                 sys.exit(main(sys.argv))
 270         except KeyboardInterrupt:
 271                 sys.stderr.write(sys.argv[0] + " : Got KeyboardInterrupt. Stopping everything\n")
 272                 if isinstance(graphics, StoppableThread):
 273                         graphics.stop()
 274                         graphics.run() # Will clean up graphics because it is stopped, not run it (a bit dodgy)
 275
 276                 if isinstance(game, StoppableThread):
 277                         game.stop()
 278                         if game.is_alive():
 279                                 game.join()
 280
 281                 sys.exit(102)
 282