qchess/qchess.py

   1 #!/usr/bin/python -u
   2 import random
   3
   4 # I know using non-abreviated strings is inefficient, but this is python, who cares?
   5 # Oh, yeah, this stores the number of pieces of each type in a normal chess game
   6 piece_types = {"pawn" : 8, "bishop" : 2, "knight" : 2, "rook" : 2, "queen" : 1, "king" : 1, "unknown" : 0}
   7
   8 # Class to represent a quantum chess piece
   9 class Piece():
  10         def __init__(self, colour, x, y, types):
  11                 self.colour = colour # Colour (string) either "white" or "black"
  12                 self.x = x # x coordinate (0 - 8), none of this fancy 'a', 'b' shit here
  13                 self.y = y # y coordinate (0 - 8)
  14                 self.types = types # List of possible types the piece can be (should just be two)
  15                 self.current_type = "unknown" # Current type
  16                 self.choice = -1 # Index of the current type in self.types (-1 = unknown type)
  17                 self.types_revealed = [True, False] # Whether the types are known (by default the first type is always known at game start)
  18
  19
  20                 #
  21                 self.last_state = None
  22                 self.move_pattern = None
  23
  24
  25
  26         def init_from_copy(self, c):
  27                 self.colour = c.colour
  28                 self.x = c.x
  29                 self.y = c.y
  30                 self.types = c.types[:]
  31                 self.current_type = c.current_type
  32                 self.choice = c.choice
  33                 self.types_revealed = c.types_revealed[:]
  34
  35                 self.last_state = None
  36                 self.move_pattern = None
  37
  38
  39
  40         # Make a string for the piece (used for debug)
  41         def __str__(self):
  42                 return str(self.colour) + " " + str(self.current_type) + " " + str(self.types) + " at " + str(self.x) + ","+str(self.y)
  43
  44         # Draw the piece in a pygame surface
  45         def draw(self, window, grid_sz = [80,80], style="quantum"):
  46
  47                 # First draw the image corresponding to self.current_type
  48                 img = images[self.colour][self.current_type]
  49                 rect = img.get_rect()
  50                 if style == "classical":
  51                         offset = [-rect.width/2, -rect.height/2]
  52                 else:
  53                         offset = [-rect.width/2,-3*rect.height/4]
  54                 window.blit(img, (self.x * grid_sz[0] + grid_sz[0]/2 + offset[0], self.y * grid_sz[1] + grid_sz[1]/2 + offset[1]))
  55
  56
  57                 if style == "classical":
  58                         return
  59
  60                 # Draw the two possible types underneath the current_type image
  61                 for i in range(len(self.types)):
  62                         if always_reveal_states == True or self.types_revealed[i] == True:
  63                                 img = small_images[self.colour][self.types[i]]
  64                         else:
  65                                 img = small_images[self.colour]["unknown"] # If the type hasn't been revealed, show a placeholder
  66
  67
  68                         rect = img.get_rect()
  69                         offset = [-rect.width/2,-rect.height/2]
  70
  71                         if i == 0:
  72                                 target = (self.x * grid_sz[0] + grid_sz[0]/5 + offset[0], self.y * grid_sz[1] + 3*grid_sz[1]/4 + offset[1])
  73                         else:
  74                                 target = (self.x * grid_sz[0] + 4*grid_sz[0]/5 + offset[0], self.y * grid_sz[1] + 3*grid_sz[1]/4 + offset[1])
  75
  76                         window.blit(img, target) # Blit shit
  77
  78         # Collapses the wave function!
  79         def select(self):
  80                 if self.current_type == "unknown":
  81                         self.choice = random.randint(0,1)
  82                         self.current_type = self.types[self.choice]
  83                         self.types_revealed[self.choice] = True
  84                 return self.choice
  85
  86         # Uncollapses (?) the wave function!
  87         def deselect(self):
  88                 #print "Deselect called"
  89                 if (self.x + self.y) % 2 != 0:
  90                         if (self.types[0] != self.types[1]) or (self.types_revealed[0] == False or self.types_revealed[1] == False):
  91                                 self.current_type = "unknown"
  92                                 self.choice = -1
  93                         else:
  94                                 self.choice = 0 # Both the two types are the same
  95
  96         # The sad moment when you realise that you do not understand anything about a subject you studied for 4 years...
  97 # --- piece.py --- #
  98 [w,h] = [8,8] # Width and height of board(s)
  99
 100 always_reveal_states = False
 101
 102 # Class to represent a quantum chess board
 103 class Board():
 104         # Initialise; if master=True then the secondary piece types are assigned
 105         #       Otherwise, they are left as unknown
 106         #       So you can use this class in Agent programs, and fill in the types as they are revealed
 107         def __init__(self, style="agent"):
 108                 self.style = style
 109                 self.pieces = {"white" : [], "black" : []}
 110                 self.grid = [[None] * w for _ in range(h)] # 2D List (you can get arrays in python, somehow, but they scare me)
 111                 self.unrevealed_types = {"white" : piece_types.copy(), "black" : piece_types.copy()}
 112                 self.king = {"white" : None, "black" : None} # We need to keep track of the king, because he is important
 113                 for c in ["black", "white"]:
 114                         del self.unrevealed_types[c]["unknown"]
 115
 116                 if style == "empty":
 117                         return
 118
 119                 # Add all the pieces with known primary types
 120                 for i in range(0, 2):
 121
 122                         s = ["black", "white"][i]
 123                         c = self.pieces[s]
 124                         y = [0, h-1][i]
 125
 126                         c.append(Piece(s, 0, y, ["rook"]))
 127                         c.append(Piece(s, 1, y, ["knight"]))
 128                         c.append(Piece(s, 2, y, ["bishop"]))
 129                         k = Piece(s, 3, y, ["king", "king"]) # There can only be one ruler!
 130                         k.types_revealed[1] = True
 131                         k.current_type = "king"
 132                         self.king[s] = k
 133                         c.append(k)
 134                         c.append(Piece(s, 4, y, ["queen"])) # Apparently he may have multiple wives though.
 135                         c.append(Piece(s, 5, y, ["bishop"]))
 136                         c.append(Piece(s, 6, y, ["knight"]))
 137                         c.append(Piece(s, 7, y, ["rook"]))
 138
 139                         if y == 0:
 140                                 y += 1
 141                         else:
 142                                 y -= 1
 143
 144                         # Lots of pawn
 145                         for x in range(0, w):
 146                                 c.append(Piece(s, x, y, ["pawn"]))
 147
 148                         types_left = {}
 149                         types_left.update(piece_types)
 150                         del types_left["king"] # We don't want one of these randomly appearing (although it might make things interesting...)
 151                         del types_left["unknown"] # We certainly don't want these!
 152                         for piece in c:
 153                                 # Add to grid
 154                                 self.grid[piece.x][piece.y] = piece
 155
 156                                 if len(piece.types) > 1:
 157                                         continue
 158                                 if style == "agent": # Assign placeholder "unknown" secondary type
 159                                         piece.types.append("unknown")
 160                                         continue
 161
 162                                 elif style == "quantum":
 163                                         # The master allocates the secondary types
 164                                         choice = types_left.keys()[random.randint(0, len(types_left.keys())-1)]
 165                                         types_left[choice] -= 1
 166                                         if types_left[choice] <= 0:
 167                                                 del types_left[choice]
 168                                         piece.types.append(choice)
 169                                 elif style == "classical":
 170                                         piece.types.append(piece.types[0])
 171                                         piece.current_type = piece.types[0]
 172                                         piece.types_revealed[1] = True
 173                                         piece.choice = 0
 174
 175         def clone(self):
 176                 newboard = Board(master = False)
 177                 newpieces = newboard.pieces["white"] + newboard.pieces["black"]
 178                 mypieces = self.pieces["white"] + self.pieces["black"]
 179
 180                 for i in range(len(mypieces)):
 181                         newpieces[i].init_from_copy(mypieces[i])
 182
 183
 184         def display_grid(self, window = None, grid_sz = [80,80]):
 185                 if window == None:
 186                         return # I was considering implementing a text only display, then I thought "Fuck that"
 187
 188                 # The indentation is getting seriously out of hand...
 189                 for x in range(0, w):
 190                         for y in range(0, h):
 191                                 if (x + y) % 2 == 0:
 192                                         c = pygame.Color(200,200,200)
 193                                 else:
 194                                         c = pygame.Color(64,64,64)
 195                                 pygame.draw.rect(window, c, (x*grid_sz[0], y*grid_sz[1], (x+1)*grid_sz[0], (y+1)*grid_sz[1]))
 196
 197         def display_pieces(self, window = None, grid_sz = [80,80]):
 198                 if window == None:
 199                         return
 200                 for p in self.pieces["white"] + self.pieces["black"]:
 201                         p.draw(window, grid_sz, self.style)
 202
 203         # Draw the board in a pygame window
 204         def display(self, window = None):
 205                 self.display_grid(window)
 206                 self.display_pieces(window)
 207
 208
 209
 210
 211         def verify(self):
 212                 for x in range(w):
 213                         for y in range(h):
 214                                 if self.grid[x][y] == None:
 215                                         continue
 216                                 if (self.grid[x][y].x != x or self.grid[x][y].y != y):
 217                                         raise Exception(sys.argv[0] + ": MISMATCH " + str(self.grid[x][y]) + " should be at " + str(x) + "," + str(y))
 218
 219         # Select a piece on the board (colour is the colour of whoever is doing the selecting)
 220         def select(self, x,y, colour=None):
 221                 if not self.on_board(x, y): # Get on board everyone!
 222                         raise Exception("BOUNDS")
 223
 224                 piece = self.grid[x][y]
 225                 if piece == None:
 226                         raise Exception("EMPTY")
 227
 228                 if colour != None and piece.colour != colour:
 229                         raise Exception("COLOUR " + str(piece.colour) + " not " + str(colour))
 230
 231                 # I'm not quite sure why I made this return a string, but screw logical design
 232                 return str(x) + " " + str(y) + " " + str(piece.select()) + " " + str(piece.current_type)
 233
 234
 235         # Update the board when a piece has been selected
 236         # "type" is apparently reserved, so I'll use "state"
 237         def update_select(self, x, y, type_index, state):
 238                 piece = self.grid[x][y]
 239                 if piece.types[type_index] == "unknown":
 240                         if not state in self.unrevealed_types[piece.colour].keys():
 241                                 raise Exception("SANITY: Too many " + piece.colour + " " + state + "s")
 242                         self.unrevealed_types[piece.colour][state] -= 1
 243                         if self.unrevealed_types[piece.colour][state] <= 0:
 244                                 del self.unrevealed_types[piece.colour][state]
 245
 246                 piece.types[type_index] = state
 247                 piece.types_revealed[type_index] = True
 248                 piece.current_type = state
 249
 250                 if len(self.possible_moves(piece)) <= 0:
 251                         piece.deselect() # Piece can't move; deselect it
 252
 253         # Update the board when a piece has been moved
 254         def update_move(self, x, y, x2, y2):
 255                 piece = self.grid[x][y]
 256                 self.grid[x][y] = None
 257                 taken = self.grid[x2][y2]
 258                 if taken != None:
 259                         if taken.current_type == "king":
 260                                 self.king[taken.colour] = None
 261                         self.pieces[taken.colour].remove(taken)
 262                 self.grid[x2][y2] = piece
 263                 piece.x = x2
 264                 piece.y = y2
 265
 266                 # If the piece is a pawn, and it reaches the final row, it becomes a queen
 267                 # I know you are supposed to get a choice
 268                 # But that would be effort
 269                 if piece.current_type == "pawn" and ((piece.colour == "white" and piece.y == 0) or (piece.colour == "black" and piece.y == h-1)):
 270                         if self.style == "classical":
 271                                 piece.types[0] = "queen"
 272                                 piece.types[1] = "queen"
 273                         else:
 274                                 piece.types[piece.choice] = "queen"
 275                         piece.current_type = "queen"
 276
 277                 piece.deselect() # Uncollapse (?) the wavefunction!
 278                 self.verify()
 279
 280         # Update the board from a string
 281         # Guesses what to do based on the format of the string
 282         def update(self, result):
 283                 #print "Update called with \"" + str(result) + "\""
 284                 # String always starts with 'x y'
 285                 try:
 286                         s = result.split(" ")
 287                         [x,y] = map(int, s[0:2])
 288                 except:
 289                         raise Exception("GIBBERISH \""+ str(result) + "\"") # Raise expectations
 290
 291                 piece = self.grid[x][y]
 292                 if piece == None:
 293                         raise Exception("EMPTY")
 294
 295                 # If a piece is being moved, the third token is '->'
 296                 # We could get away with just using four integers, but that wouldn't look as cool
 297                 if "->" in s:
 298                         # Last two tokens are the destination
 299                         try:
 300                                 [x2,y2] = map(int, s[3:])
 301                         except:
 302                                 raise Exception("GIBBERISH \"" + str(result) + "\"") # Raise the alarm
 303
 304                         # Move the piece (take opponent if possible)
 305                         self.update_move(x, y, x2, y2)
 306
 307                 else:
 308                         # Otherwise we will just assume a piece has been selected
 309                         try:
 310                                 type_index = int(s[2]) # We need to know which of the two types the piece is in; that's the third token
 311                                 state = s[3] # The last token is a string identifying the type
 312                         except:
 313                                 raise Exception("GIBBERISH \"" + result + "\"") # Throw a hissy fit
 314
 315                         # Select the piece
 316                         self.update_select(x, y, type_index, state)
 317
 318                 return result
 319
 320         # Gets each piece that could reach the given square and the probability that it could reach that square
 321         # Will include allied pieces that defend the attacker
 322         def coverage(self, x, y, colour = None, reject_allied = True):
 323                 result = {}
 324
 325                 if colour == None:
 326                         pieces = self.pieces["white"] + self.pieces["black"]
 327                 else:
 328                         pieces = self.pieces[colour]
 329
 330                 for p in pieces:
 331                         prob = self.probability_grid(p, reject_allied)[x][y]
 332                         if prob > 0:
 333                                 result.update({p : prob})
 334
 335                 self.verify()
 336                 return result
 337
 338
 339
 340
 341
 342         # Associates each square with a probability that the piece could move into it
 343         # Look, I'm doing all the hard work for you here...
 344         def probability_grid(self, p, reject_allied = True):
 345
 346                 result = [[0.0] * w for _ in range(h)]
 347                 if not isinstance(p, Piece):
 348                         return result
 349
 350                 if p.current_type != "unknown":
 351                         #sys.stderr.write(sys.argv[0] + ": " + str(p) + " moves " + str(self.possible_moves(p, reject_allied)) + "\n")
 352                         for point in self.possible_moves(p, reject_allied):
 353                                 result[point[0]][point[1]] = 1.0
 354                         return result
 355
 356
 357                 for i in range(len(p.types)):
 358                         t = p.types[i]
 359                         prob = 0.5
 360                         if t == "unknown" or p.types_revealed[i] == False:
 361                                 total_types = 0
 362                                 for t2 in self.unrevealed_types[p.colour].keys():
 363                                         total_types += self.unrevealed_types[p.colour][t2]
 364
 365                                 for t2 in self.unrevealed_types[p.colour].keys():
 366                                         prob2 = float(self.unrevealed_types[p.colour][t2]) / float(total_types)
 367                                         p.current_type = t2
 368                                         for point in self.possible_moves(p, reject_allied):
 369                                                 result[point[0]][point[1]] += prob2 * prob
 370
 371                         else:
 372                                 p.current_type = t
 373                                 for point in self.possible_moves(p, reject_allied):
 374                                         result[point[0]][point[1]] += prob
 375
 376                 self.verify()
 377                 p.current_type = "unknown"
 378                 return result
 379
 380         def prob_is_type(self, p, state):
 381                 prob = 0.5
 382                 result = 0
 383                 for i in range(len(p.types)):
 384                         t = p.types[i]
 385                         if t == state:
 386                                 result += prob
 387                                 continue
 388                         if t == "unknown" or p.types_revealed[i] == False:
 389                                 total_prob = 0
 390                                 for t2 in self.unrevealed_types[p.colour].keys():
 391                                         total_prob += self.unrevealed_types[p.colour][t2]
 392                                 for t2 in self.unrevealed_types[p.colour].keys():
 393                                         if t2 == state:
 394                                                 result += prob * float(self.unrevealed_types[p.colour][t2]) / float(total_prob)
 395
 396
 397
 398         # Get all squares that the piece could move into
 399         # This is probably inefficient, but I looked at some sample chess games and they seem to actually do things this way
 400         # reject_allied indicates whether squares occupied by allied pieces will be removed
 401         # (set to false to check for defense)
 402         def possible_moves(self, p, reject_allied = True):
 403                 result = []
 404                 if p == None:
 405                         return result
 406
 407
 408                 if p.current_type == "unknown":
 409                         raise Exception("SANITY: Piece state unknown")
 410                         # The below commented out code causes things to break badly
 411                         #for t in p.types:
 412                         #       if t == "unknown":
 413                         #               continue
 414                         #       p.current_type = t
 415                         #       result += self.possible_moves(p)
 416                         #p.current_type = "unknown"
 417                         #return result
 418
 419                 if p.current_type == "king":
 420                         result = [[p.x-1,p.y],[p.x+1,p.y],[p.x,p.y-1],[p.x,p.y+1], [p.x-1,p.y-1],[p.x-1,p.y+1],[p.x+1,p.y-1],[p.x+1,p.y+1]]
 421                 elif p.current_type == "queen":
 422                         for d in [[-1,0],[1,0],[0,-1],[0,1],[-1,-1],[-1,1],[1,-1],[1,1]]:
 423                                 result += self.scan(p.x, p.y, d[0], d[1])
 424                 elif p.current_type == "bishop":
 425                         for d in [[-1,-1],[-1,1],[1,-1],[1,1]]: # There's a reason why bishops move diagonally
 426                                 result += self.scan(p.x, p.y, d[0], d[1])
 427                 elif p.current_type == "rook":
 428                         for d in [[-1,0],[1,0],[0,-1],[0,1]]:
 429                                 result += self.scan(p.x, p.y, d[0], d[1])
 430                 elif p.current_type == "knight":
 431                         # I would use two lines, but I'm not sure how python likes that
 432                         result = [[p.x-2, p.y-1], [p.x-2, p.y+1], [p.x+2, p.y-1], [p.x+2,p.y+1], [p.x-1,p.y-2], [p.x-1, p.y+2],[p.x+1,p.y-2],[p.x+1,p.y+2]]
 433                 elif p.current_type == "pawn":
 434                         if p.colour == "white":
 435
 436                                 # Pawn can't move forward into occupied square
 437                                 if self.on_board(p.x, p.y-1) and self.grid[p.x][p.y-1] == None:
 438                                         result = [[p.x,p.y-1]]
 439                                 for f in [[p.x-1,p.y-1],[p.x+1,p.y-1]]:
 440                                         if not self.on_board(f[0], f[1]):
 441                                                 continue
 442                                         if self.grid[f[0]][f[1]] != None:  # Pawn can take diagonally
 443                                                 result.append(f)
 444                                 if p.y == h-2:
 445                                         # Slightly embarrassing if the pawn jumps over someone on its first move...
 446                                         if self.grid[p.x][p.y-1] == None and self.grid[p.x][p.y-2] == None:
 447                                                 result.append([p.x, p.y-2])
 448                         else:
 449                                 # Vice versa for the black pawn
 450                                 if self.on_board(p.x, p.y+1) and self.grid[p.x][p.y+1] == None:
 451                                         result = [[p.x,p.y+1]]
 452
 453                                 for f in [[p.x-1,p.y+1],[p.x+1,p.y+1]]:
 454                                         if not self.on_board(f[0], f[1]):
 455                                                 continue
 456                                         if self.grid[f[0]][f[1]] != None:
 457                                                 #sys.stderr.write(sys.argv[0] + " : "+str(p) + " can take " + str(self.grid[f[0]][f[1]]) + "\n")
 458                                                 result.append(f)
 459                                 if p.y == 1:
 460                                         if self.grid[p.x][p.y+1] == None and self.grid[p.x][p.y+2] == None:
 461                                                 result.append([p.x, p.y+2])
 462
 463                         #sys.stderr.write(sys.argv[0] + " : possible_moves for " + str(p) + " " + str(result) + "\n")
 464
 465                 # Remove illegal moves
 466                 # Note: The result[:] creates a copy of result, so that the result.remove calls don't fuck things up
 467                 for point in result[:]:
 468
 469                         if (point[0] < 0 or point[0] >= w) or (point[1] < 0 or point[1] >= h):
 470                                 result.remove(point) # Remove locations outside the board
 471                                 continue
 472                         g = self.grid[point[0]][point[1]]
 473
 474                         if g != None and (g.colour == p.colour and reject_allied == True):
 475                                 result.remove(point) # Remove allied pieces
 476
 477                 self.verify()
 478                 return result
 479
 480
 481         # Scans in a direction until it hits a piece, returns all squares in the line
 482         # (includes the final square (which contains a piece), but not the original square)
 483         def scan(self, x, y, vx, vy):
 484                 p = []
 485
 486                 xx = x
 487                 yy = y
 488                 while True:
 489                         xx += vx
 490                         yy += vy
 491                         if not self.on_board(xx, yy):
 492                                 break
 493                         if not [xx,yy] in p:
 494                                 p.append([xx, yy])
 495                         g = self.grid[xx][yy]
 496                         if g != None:
 497                                 return p
 498
 499                 return p
 500
 501
 502
 503         # I typed the full statement about 30 times before writing this function...
 504         def on_board(self, x, y):
 505                 return (x >= 0 and x < w) and (y >= 0 and y < h)
 506 # --- board.py --- #
 507 import subprocess
 508 import select
 509 import platform
 510
 511
 512 agent_timeout = -1.0 # Timeout in seconds for AI players to make moves
 513                         # WARNING: Won't work for windows based operating systems
 514
 515 if platform.system() == "Windows":
 516         agent_timeout = -1 # Hence this
 517
 518 # A player who can't play
 519 class Player():
 520         def __init__(self, name, colour):
 521                 self.name = name
 522                 self.colour = colour
 523
 524         def update(self, result):
 525                 pass
 526
 527 # Player that runs from another process
 528 class ExternalAgent(Player):
 529
 530
 531         def __init__(self, name, colour):
 532                 Player.__init__(self, name, colour)
 533                 self.p = subprocess.Popen(name,bufsize=0,stdin=subprocess.PIPE, stdout=subprocess.PIPE, shell=True,universal_newlines=True)
 534
 535                 self.send_message(colour)
 536
 537         def send_message(self, s):
 538                 if agent_timeout > 0.0:
 539                         ready = select.select([], [self.p.stdin], [], agent_timeout)[1]
 540                 else:
 541                         ready = [self.p.stdin]
 542                 if self.p.stdin in ready:
 543                         #sys.stderr.write("Writing \'" + s + "\' to " + str(self.p) + "\n")
 544                         try:
 545                                 self.p.stdin.write(s + "\n")
 546                         except:
 547                                 raise Exception("UNRESPONSIVE")
 548                 else:
 549                         raise Exception("TIMEOUT")
 550
 551         def get_response(self):
 552                 if agent_timeout > 0.0:
 553                         ready = select.select([self.p.stdout], [], [], agent_timeout)[0]
 554                 else:
 555                         ready = [self.p.stdout]
 556                 if self.p.stdout in ready:
 557                         #sys.stderr.write("Reading from " + str(self.p) + " 's stdout...\n")
 558                         try:
 559                                 result = self.p.stdout.readline().strip("\r\n")
 560                                 #sys.stderr.write("Read \'" + result + "\' from " + str(self.p) + "\n")
 561                                 return result
 562                         except: # Exception, e:
 563                                 raise Exception("UNRESPONSIVE")
 564                 else:
 565                         raise Exception("TIMEOUT")
 566
 567         def select(self):
 568
 569                 self.send_message("SELECTION?")
 570                 line = self.get_response()
 571
 572                 try:
 573                         result = map(int, line.split(" "))
 574                 except:
 575                         raise Exception("GIBBERISH \"" + str(line) + "\"")
 576                 return result
 577
 578         def update(self, result):
 579                 #print "Update " + str(result) + " called for AgentPlayer"
 580                 self.send_message(result)
 581
 582
 583         def get_move(self):
 584
 585                 self.send_message("MOVE?")
 586                 line = self.get_response()
 587
 588                 try:
 589                         result = map(int, line.split(" "))
 590                 except:
 591                         raise Exception("GIBBERISH \"" + str(line) + "\"")
 592                 return result
 593
 594         def quit(self, final_result):
 595                 try:
 596                         self.send_message("QUIT " + final_result)
 597                 except:
 598                         self.p.kill()
 599
 600 # So you want to be a player here?
 601 class HumanPlayer(Player):
 602         def __init__(self, name, colour):
 603                 Player.__init__(self, name, colour)
 604
 605         # Select your preferred account
 606         def select(self):
 607                 if isinstance(graphics, GraphicsThread):
 608                         # Basically, we let the graphics thread do some shit and then return that information to the game thread
 609                         graphics.cond.acquire()
 610                         # We wait for the graphics thread to select a piece
 611                         while graphics.stopped() == False and graphics.state["select"] == None:
 612                                 graphics.cond.wait() # The difference between humans and machines is that humans sleep
 613                         select = graphics.state["select"]
 614
 615
 616                         graphics.cond.release()
 617                         if graphics.stopped():
 618                                 return [-1,-1]
 619                         return [select.x, select.y]
 620                 else:
 621                         # Since I don't display the board in this case, I'm not sure why I filled it in...
 622                         while True:
 623                                 sys.stdout.write("SELECTION?\n")
 624                                 try:
 625                                         p = map(int, sys.stdin.readline().strip("\r\n ").split(" "))
 626                                 except:
 627                                         sys.stderr.write("ILLEGAL GIBBERISH\n")
 628                                         continue
 629         # It's your move captain
 630         def get_move(self):
 631                 if isinstance(graphics, GraphicsThread):
 632                         graphics.cond.acquire()
 633                         while graphics.stopped() == False and graphics.state["dest"] == None:
 634                                 graphics.cond.wait()
 635                         graphics.cond.release()
 636
 637                         return graphics.state["dest"]
 638                 else:
 639
 640                         while True:
 641                                 sys.stdout.write("MOVE?\n")
 642                                 try:
 643                                         p = map(int, sys.stdin.readline().strip("\r\n ").split(" "))
 644                                 except:
 645                                         sys.stderr.write("ILLEGAL GIBBERISH\n")
 646                                         continue
 647
 648         # Are you sure you want to quit?
 649         def quit(self, final_result):
 650                 if graphics == None:
 651                         sys.stdout.write("QUIT " + final_result + "\n")
 652
 653         # Completely useless function
 654         def update(self, result):
 655                 if isinstance(graphics, GraphicsThread):
 656                         pass
 657                 else:
 658                         sys.stdout.write(result + "\n")
 659
 660
 661 # Default internal player (makes random moves)
 662 class InternalAgent(Player):
 663         def __init__(self, name, colour):
 664                 Player.__init__(self, name, colour)
 665                 self.choice = None
 666
 667                 self.board = Board(style = "agent")
 668
 669
 670
 671         def update(self, result):
 672
 673                 self.board.update(result)
 674                 self.board.verify()
 675
 676         def quit(self, final_result):
 677                 pass
 678
 679 class AgentRandom(InternalAgent):
 680         def __init__(self, name, colour):
 681                 InternalAgent.__init__(self, name, colour)
 682
 683         def select(self):
 684                 while True:
 685                         self.choice = self.board.pieces[self.colour][random.randint(0, len(self.board.pieces[self.colour])-1)]
 686                         all_moves = []
 687                         # Check that the piece has some possibility to move
 688                         tmp = self.choice.current_type
 689                         if tmp == "unknown": # For unknown pieces, try both types
 690                                 for t in self.choice.types:
 691                                         if t == "unknown":
 692                                                 continue
 693                                         self.choice.current_type = t
 694                                         all_moves += self.board.possible_moves(self.choice)
 695                         else:
 696                                 all_moves = self.board.possible_moves(self.choice)
 697                         self.choice.current_type = tmp
 698                         if len(all_moves) > 0:
 699                                 break
 700                 return [self.choice.x, self.choice.y]
 701
 702         def get_move(self):
 703                 moves = self.board.possible_moves(self.choice)
 704                 move = moves[random.randint(0, len(moves)-1)]
 705                 return move
 706
 707
 708 # Terrible, terrible hacks
 709
 710 def run_agent(agent):
 711         #sys.stderr.write(sys.argv[0] + " : Running agent " + str(agent) + "\n")
 712         while True:
 713                 line = sys.stdin.readline().strip(" \r\n")
 714                 if line == "SELECTION?":
 715                         #sys.stderr.write(sys.argv[0] + " : Make selection\n")
 716                         [x,y] = agent.select() # Gets your agent's selection
 717                         #sys.stderr.write(sys.argv[0] + " : Selection was " + str(agent.choice) + "\n")
 718                         sys.stdout.write(str(x) + " " + str(y) + "\n")
 719                 elif line == "MOVE?":
 720                         #sys.stderr.write(sys.argv[0] + " : Make move\n")
 721                         [x,y] = agent.get_move() # Gets your agent's move
 722                         sys.stdout.write(str(x) + " " + str(y) + "\n")
 723                 elif line.split(" ")[0] == "QUIT":
 724                         #sys.stderr.write(sys.argv[0] + " : Quitting\n")
 725                         agent.quit(" ".join(line.split(" ")[1:])) # Quits the game
 726                         break
 727                 else:
 728                         agent.update(line) # Updates agent.board
 729         return 0
 730
 731
 732 # Sort of works?
 733
 734 class ExternalWrapper(ExternalAgent):
 735         def __init__(self, agent):
 736                 run = "python -u -c \"import sys;import os;from qchess import *;agent = " + agent.__class__.__name__ + "('" + agent.name + "','"+agent.colour+"');sys.stdin.readline();sys.exit(run_agent(agent))\""
 737                 # str(run)
 738                 ExternalAgent.__init__(self, run, agent.colour)
 739
 740
 741
 742 # --- player.py --- #
 743 # A sample agent
 744
 745
 746 class AgentBishop(InternalAgent): # Inherits from InternalAgent (in qchess)
 747         def __init__(self, name, colour):
 748                 InternalAgent.__init__(self, name, colour)
 749                 self.value = {"pawn" : 1, "bishop" : 3, "knight" : 3, "rook" : 5, "queen" : 9, "king" : 100, "unknown" : 4}
 750
 751                 self.aggression = 2.0 # Multiplier for scoring due to aggressive actions
 752                 self.defence = 1.0 # Multiplier for scoring due to defensive actions
 753
 754                 self.depth = 0 # Current depth
 755                 self.max_depth = 2 # Recurse this many times (for some reason, makes more mistakes when this is increased???)
 756                 self.recurse_for = -1 # Recurse for the best few moves each times (less than 0 = all moves)
 757
 758                 for p in self.board.pieces["white"] + self.board.pieces["black"]:
 759                         p.last_moves = None
 760                         p.selected_moves = None
 761
 762
 763
 764         def get_value(self, piece):
 765                 if piece == None:
 766                         return 0.0
 767                 return float(self.value[piece.types[0]] + self.value[piece.types[1]]) / 2.0
 768
 769         # Score possible moves for the piece
 770
 771         def prioritise_moves(self, piece):
 772
 773                 #sys.stderr.write(sys.argv[0] + " : " + str(self) + " prioritise called for " + str(piece) + "\n")
 774
 775
 776
 777                 grid = self.board.probability_grid(piece)
 778                 #sys.stderr.write("\t Probability grid " + str(grid) + "\n")
 779                 moves = []
 780                 for x in range(w):
 781                         for y in range(h):
 782                                 if grid[x][y] < 0.3: # Throw out moves with < 30% probability
 783                                         #sys.stderr.write("\tReject " + str(x) + "," + str(y) + " (" + str(grid[x][y]) + ")\n")
 784                                         continue
 785
 786                                 target = self.board.grid[x][y]
 787
 788
 789
 790
 791                                 # Get total probability that the move is protected
 792                                 [xx,yy] = [piece.x, piece.y]
 793                                 [piece.x, piece.y] = [x, y]
 794                                 self.board.grid[x][y] = piece
 795                                 self.board.grid[xx][yy] = None
 796
 797                                 defenders = self.board.coverage(x, y, piece.colour, reject_allied = False)
 798                                 d_prob = 0.0
 799                                 for d in defenders.keys():
 800                                         d_prob += defenders[d]
 801                                 if len(defenders.keys()) > 0:
 802                                         d_prob /= float(len(defenders.keys()))
 803
 804                                 if (d_prob > 1.0):
 805                                         d_prob = 1.0
 806
 807                                 # Get total probability that the move is threatened
 808                                 attackers = self.board.coverage(x, y, opponent(piece.colour), reject_allied = False)
 809                                 a_prob = 0.0
 810                                 for a in attackers.keys():
 811                                         a_prob += attackers[a]
 812                                 if len(attackers.keys()) > 0:
 813                                         a_prob /= float(len(attackers.keys()))
 814
 815                                 if (a_prob > 1.0):
 816                                         a_prob = 1.0
 817
 818                                 self.board.grid[x][y] = target
 819                                 self.board.grid[xx][yy] = piece
 820                                 [piece.x, piece.y] = [xx, yy]
 821
 822
 823                                 # Score of the move
 824                                 value = self.aggression * (1.0 + d_prob) * self.get_value(target) - self.defence * (1.0 - d_prob) * a_prob * self.get_value(piece)
 825
 826                                 # Adjust score based on movement of piece out of danger
 827                                 attackers = self.board.coverage(piece.x, piece.y, opponent(piece.colour))
 828                                 s_prob = 0.0
 829                                 for a in attackers.keys():
 830                                         s_prob += attackers[a]
 831                                 if len(attackers.keys()) > 0:
 832                                         s_prob /= float(len(attackers.keys()))
 833
 834                                 if (s_prob > 1.0):
 835                                         s_prob = 1.0
 836                                 value += self.defence * s_prob * self.get_value(piece)
 837
 838                                 # Adjust score based on probability that the move is actually possible
 839                                 moves.append([[x, y], grid[x][y] * value])
 840
 841                 moves.sort(key = lambda e : e[1], reverse = True)
 842                 #sys.stderr.write(sys.argv[0] + ": Moves for " + str(piece) + " are " + str(moves) + "\n")
 843
 844                 piece.last_moves = moves
 845                 piece.selected_moves = None
 846
 847
 848
 849
 850                 return moves
 851
 852         def select_best(self, colour):
 853
 854                 self.depth += 1
 855                 all_moves = {}
 856                 for p in self.board.pieces[colour]:
 857                         self.choice = p # Temporarily pick that piece
 858                         m = self.prioritise_moves(p)
 859                         if len(m) > 0:
 860                                 all_moves.update({p : m[0]})
 861
 862                 if len(all_moves.items()) <= 0:
 863                         return None
 864
 865
 866                 opts = all_moves.items()
 867                 opts.sort(key = lambda e : e[1][1], reverse = True)
 868
 869                 if self.depth >= self.max_depth:
 870                         self.depth -= 1
 871                         return list(opts[0])
 872
 873                 if self.recurse_for >= 0:
 874                         opts = opts[0:self.recurse_for]
 875                 #sys.stderr.write(sys.argv[0] + " : Before recurse, options are " + str(opts) + "\n")
 876
 877                 # Take the best few moves, and recurse
 878                 for choice in opts[0:self.recurse_for]:
 879                         [xx,yy] = [choice[0].x, choice[0].y] # Remember position
 880                         [nx,ny] = choice[1][0] # Target
 881                         [choice[0].x, choice[0].y] = [nx, ny] # Set position
 882                         target = self.board.grid[nx][ny] # Remember piece in spot
 883                         self.board.grid[xx][yy] = None # Remove piece
 884                         self.board.grid[nx][ny] = choice[0] # Replace with moving piece
 885
 886                         # Recurse
 887                         best_enemy_move = self.select_best(opponent(choice[0].colour))
 888                         choice[1][1] -= best_enemy_move[1][1] / float(self.depth + 1.0)
 889
 890                         [choice[0].x, choice[0].y] = [xx, yy] # Restore position
 891                         self.board.grid[nx][ny] = target # Restore taken piece
 892                         self.board.grid[xx][yy] = choice[0] # Restore moved piece
 893
 894
 895
 896                 opts.sort(key = lambda e : e[1][1], reverse = True)
 897                 #sys.stderr.write(sys.argv[0] + " : After recurse, options are " + str(opts) + "\n")
 898
 899                 self.depth -= 1
 900                 return list(opts[0])
 901
 902
 903
 904         # Returns [x,y] of selected piece
 905         def select(self):
 906                 #sys.stderr.write("Getting choice...")
 907                 self.choice = self.select_best(self.colour)[0]
 908                 #sys.stderr.write(" Done " + str(self.choice)+"\n")
 909                 return [self.choice.x, self.choice.y]
 910
 911         # Returns [x,y] of square to move selected piece into
 912         def get_move(self):
 913                 #sys.stderr.write("Choice is " + str(self.choice) + "\n")
 914                 self.choice.selected_moves = self.choice.last_moves
 915                 moves = self.prioritise_moves(self.choice)
 916                 if len(moves) > 0:
 917                         return moves[0][0]
 918                 else:
 919                         return InternalAgent.get_move(self)
 920
 921 # --- agent_bishop.py --- #
 922 import multiprocessing
 923
 924 # Hacky alternative to using select for timing out players
 925
 926 # WARNING: Do not wrap around HumanPlayer or things breakify
 927 # WARNING: Do not use in general or things breakify
 928
 929 class Sleeper(multiprocessing.Process):
 930         def __init__(self, timeout):
 931                 multiprocessing.Process.__init__(self)
 932                 self.timeout = timeout
 933
 934         def run(self):
 935                 time.sleep(self.timeout)
 936
 937
 938 class Worker(multiprocessing.Process):
 939         def __init__(self, function, args, q):
 940                 multiprocessing.Process.__init__(self)
 941                 self.function = function
 942                 self.args = args
 943                 self.q = q
 944
 945         def run(self):
 946                 #print str(self) + " runs " + str(self.function) + " with args " + str(self.args)
 947                 self.q.put(self.function(*self.args))
 948
 949
 950
 951 def TimeoutFunction(function, args, timeout):
 952         q = multiprocessing.Queue()
 953         w = Worker(function, args, q)
 954         s = Sleeper(timeout)
 955         w.start()
 956         s.start()
 957         while True: # Busy loop of crappyness
 958                 if not w.is_alive():
 959                         s.terminate()
 960                         result = q.get()
 961                         w.join()
 962                         #print "TimeoutFunction gets " + str(result)
 963                         return result
 964                 elif not s.is_alive():
 965                         w.terminate()
 966                         s.join()
 967                         raise Exception("TIMEOUT")
 968
 969
 970
 971
 972 # A player that wraps another player and times out its moves
 973 # Uses threads
 974 # A (crappy) alternative to the use of select()
 975 class TimeoutPlayer(Player):
 976         def __init__(self, base_player, timeout):
 977                 Player.__init__(self, base_player.name, base_player.colour)
 978                 self.base_player = base_player
 979                 self.timeout = timeout
 980
 981         def select(self):
 982                 return TimeoutFunction(self.base_player.select, [], self.timeout)
 983
 984
 985         def get_move(self):
 986                 return TimeoutFunction(self.base_player.get_move, [], self.timeout)
 987
 988         def update(self, result):
 989                 return TimeoutFunction(self.base_player.update, [result], self.timeout)
 990
 991         def quit(self, final_result):
 992                 return TimeoutFunction(self.base_player.quit, [final_result], self.timeout)
 993 # --- timeout_player.py --- #
 994 import socket
 995 import select
 996
 997 network_timeout_start = -1.0 # Timeout in seconds to wait for the start of a message
 998 network_timeout_delay = 1.0 # Maximum time between two characters being received
 999
1000 class Network():
1001         def __init__(self, colour, address = None):
1002                 self.socket = socket.socket()
1003                 #self.socket.setblocking(0)
1004
1005                 if colour == "white":
1006                         self.port = 4562
1007                 else:
1008                         self.port = 4563
1009
1010                 self.src = None
1011
1012         #       print str(self) + " listens on port " + str(self.port)
1013
1014                 if address == None:
1015                         self.host = socket.gethostname()
1016                         self.socket.bind((self.host, self.port))
1017                         self.socket.listen(5)
1018
1019                         self.src, self.address = self.socket.accept()
1020                         self.src.send("ok\n")
1021                         if self.get_response() == "QUIT":
1022                                 self.src.close()
1023                 else:
1024                         self.host = address
1025                         self.socket.connect((address, self.port))
1026                         self.src = self.socket
1027                         self.src.send("ok\n")
1028                         if self.get_response() == "QUIT":
1029                                 self.src.close()
1030
1031         def get_response(self):
1032                 # Timeout the start of the message (first character)
1033                 if network_timeout_start > 0.0:
1034                         ready = select.select([self.src], [], [], network_timeout_start)[0]
1035                 else:
1036                         ready = [self.src]
1037                 if self.src in ready:
1038                         s = self.src.recv(1)
1039                 else:
1040                         raise Exception("UNRESPONSIVE")
1041
1042
1043                 while s[len(s)-1] != '\n':
1044                         # Timeout on each character in the message
1045                         if network_timeout_delay > 0.0:
1046                                 ready = select.select([self.src], [], [], network_timeout_delay)[0]
1047                         else:
1048                                 ready = [self.src]
1049                         if self.src in ready:
1050                                 s += self.src.recv(1)
1051                         else:
1052                                 raise Exception("UNRESPONSIVE")
1053
1054                 return s.strip(" \r\n")
1055
1056         def send_message(self,s):
1057                 if network_timeout_start > 0.0:
1058                         ready = select.select([], [self.src], [], network_timeout_start)[1]
1059                 else:
1060                         ready = [self.src]
1061
1062                 if self.src in ready:
1063                         self.src.send(s + "\n")
1064                 else:
1065                         raise Exception("UNRESPONSIVE")
1066
1067         def check_quit(self, s):
1068                 s = s.split(" ")
1069                 if s[0] == "QUIT":
1070                         with game.lock:
1071                                 game.final_result = " ".join(s[1:]) + " " + str(opponent(self.colour))
1072                         game.stop()
1073                         return True
1074
1075
1076
1077 class NetworkSender(Player,Network):
1078         def __init__(self, base_player, address = None):
1079                 self.base_player = base_player
1080                 Player.__init__(self, base_player.name, base_player.colour)
1081
1082                 self.address = address
1083
1084         def connect(self):
1085                 Network.__init__(self, self.base_player.colour, self.address)
1086
1087
1088
1089         def select(self):
1090                 [x,y] = self.base_player.select()
1091                 choice = self.board.grid[x][y]
1092                 s = str(x) + " " + str(y)
1093                 #print str(self) + ".select sends " + s
1094                 self.send_message(s)
1095                 return [x,y]
1096
1097         def get_move(self):
1098                 [x,y] = self.base_player.get_move()
1099                 s = str(x) + " " + str(y)
1100                 #print str(self) + ".get_move sends " + s
1101                 self.send_message(s)
1102                 return [x,y]
1103
1104         def update(self, s):
1105                 self.base_player.update(s)
1106                 s = s.split(" ")
1107                 [x,y] = map(int, s[0:2])
1108                 selected = self.board.grid[x][y]
1109                 if selected != None and selected.colour == self.colour and len(s) > 2 and not "->" in s:
1110                         s = " ".join(s[0:3])
1111                         for i in range(2):
1112                                 if selected.types_revealed[i] == True:
1113                                         s += " " + str(selected.types[i])
1114                                 else:
1115                                         s += " unknown"
1116                         #print str(self) + ".update sends " + s
1117                         self.send_message(s)
1118
1119
1120         def quit(self, final_result):
1121                 self.base_player.quit(final_result)
1122                 #self.src.send("QUIT " + str(final_result) + "\n")
1123                 self.src.close()
1124
1125 class NetworkReceiver(Player,Network):
1126         def __init__(self, colour, address=None):
1127
1128                 Player.__init__(self, address, colour)
1129
1130                 self.address = address
1131
1132                 self.board = None
1133
1134         def connect(self):
1135                 Network.__init__(self, self.colour, self.address)
1136
1137
1138         def select(self):
1139
1140                 s = self.get_response()
1141                 #print str(self) + ".select gets " + s
1142                 [x,y] = map(int,s.split(" "))
1143                 if x == -1 and y == -1:
1144                         #print str(self) + ".select quits the game"
1145                         with game.lock:
1146                                 game.final_state = "network terminated " + self.colour
1147                         game.stop()
1148                 return [x,y]
1149         def get_move(self):
1150                 s = self.get_response()
1151                 #print str(self) + ".get_move gets " + s
1152                 [x,y] = map(int,s.split(" "))
1153                 if x == -1 and y == -1:
1154                         #print str(self) + ".get_move quits the game"
1155                         with game.lock:
1156                                 game.final_state = "network terminated " + self.colour
1157                         game.stop()
1158                 return [x,y]
1159
1160         def update(self, result):
1161
1162                 result = result.split(" ")
1163                 [x,y] = map(int, result[0:2])
1164                 selected = self.board.grid[x][y]
1165                 if selected != None and selected.colour == self.colour and len(result) > 2 and not "->" in result:
1166                         s = self.get_response()
1167                         #print str(self) + ".update - receives " + str(s)
1168                         s = s.split(" ")
1169                         selected.choice = int(s[2])
1170                         for i in range(2):
1171                                 selected.types[i] = str(s[3+i])
1172                                 if s[3+i] == "unknown":
1173                                         selected.types_revealed[i] = False
1174                                 else:
1175                                         selected.types_revealed[i] = True
1176                         selected.current_type = selected.types[selected.choice]
1177                 else:
1178                         pass
1179                         #print str(self) + ".update - ignore result " + str(result)
1180
1181
1182         def quit(self, final_result):
1183                 self.src.close()
1184
1185 # --- network.py --- #
1186 import threading
1187
1188 # A thread that can be stopped!
1189 # Except it can only be stopped if it checks self.stopped() periodically
1190 # So it can sort of be stopped
1191 class StoppableThread(threading.Thread):
1192         def __init__(self):
1193                 threading.Thread.__init__(self)
1194                 self._stop = threading.Event()
1195
1196         def stop(self):
1197                 self._stop.set()
1198
1199         def stopped(self):
1200                 return self._stop.isSet()
1201 # --- thread_util.py --- #
1202 log_file = None
1203 import datetime
1204 import urllib2
1205
1206 class LogFile():
1207         def __init__(self, log):
1208
1209                 self.log = log
1210                 self.logged = []
1211                 self.log.write("# Log starts " + str(datetime.datetime.now()) + "\n")
1212
1213         def write(self, s):
1214                 now = datetime.datetime.now()
1215                 self.log.write(str(now) + " : " + s + "\n")
1216                 self.logged.append((now, s))
1217
1218         def setup(self, board, players):
1219
1220                 for p in players:
1221                         self.log.write("# " + p.colour + " : " + p.name + "\n")
1222
1223                 self.log.write("# Initial board\n")
1224                 for x in range(0, w):
1225                         for y in range(0, h):
1226                                 if board.grid[x][y] != None:
1227                                         self.log.write(str(board.grid[x][y]) + "\n")
1228
1229                 self.log.write("# Start game\n")
1230
1231         def close(self):
1232                 self.log.write("# EOF\n")
1233                 self.log.close()
1234
1235 class HttpLog(LogFile):
1236         def __init__(self, file_name):
1237                 LogFile.__init__(self, open(file_name, "w", 0))
1238                 self.file_name = file_name
1239                 self.phase = 0
1240
1241         def write(self, s):
1242                 now = datetime.datetime.now()
1243                 self.logged.append((now, s))
1244
1245                 if self.phase == 0:
1246                         self.log.close()
1247                         self.log = open(self.file_name, "w", 0)
1248                         self.log.write("# Short log updated " + str(datetime.datetime.now()) + "\n")
1249                         LogFile.setup(self, game.board, game.players)
1250
1251                 elif self.phase == 1:
1252                         for message in self.logged[len(self.logged)-2:]:
1253                                 self.log.write(str(message[0]) + " : " + message[1] + "\n")
1254
1255                 self.phase = (self.phase + 1) % 2
1256
1257         def close(self):
1258                 self.log.write("# EOF\n")
1259                 self.log.close()
1260
1261
1262 class HeadRequest(urllib2.Request):
1263         def get_method(self):
1264                 return "HEAD"
1265
1266 class HttpGetter(StoppableThread):
1267         def __init__(self, address):
1268                 StoppableThread.__init__(self)
1269                 self.address = address
1270                 self.log = urllib2.urlopen(address)
1271                 self.lines = []
1272                 self.lock = threading.RLock() #lock for access of self.state
1273                 self.cond = threading.Condition() # conditional
1274
1275         def run(self):
1276                 while not self.stopped():
1277                         line = self.log.readline()
1278                         if line == "":
1279                                 date_mod = datetime.datetime.strptime(self.log.headers['last-modified'], "%a, %d %b %Y %H:%M:%S GMT")
1280                                 self.log.close()
1281
1282                                 next_log = urllib2.urlopen(HeadRequest(self.address))
1283                                 date_new = datetime.datetime.strptime(next_log.headers['last-modified'], "%a, %d %b %Y %H:%M:%S GMT")
1284                                 while date_new <= date_mod and not self.stopped():
1285                                         next_log = urllib2.urlopen(HeadRequest(self.address))
1286                                         date_new = datetime.datetime.strptime(next_log.headers['last-modified'], "%a, %d %b %Y %H:%M:%S GMT")
1287                                 if self.stopped():
1288                                         break
1289
1290                                 self.log = urllib2.urlopen(self.address)
1291                                 line = self.log.readline()
1292
1293                         self.cond.acquire()
1294                         self.lines.append(line)
1295                         self.cond.notifyAll()
1296                         self.cond.release()
1297
1298                         #sys.stderr.write(" HttpGetter got \'" + str(line) + "\'\n")
1299
1300                 self.log.close()
1301
1302
1303
1304
1305
1306 class HttpReplay():
1307         def __init__(self, address):
1308                 self.getter = HttpGetter(address)
1309                 self.getter.start()
1310
1311         def readline(self):
1312                 self.getter.cond.acquire()
1313                 while len(self.getter.lines) == 0:
1314                         self.getter.cond.wait()
1315
1316                 result = self.getter.lines[0]
1317                 self.getter.lines = self.getter.lines[1:]
1318                 self.getter.cond.release()
1319
1320                 return result
1321
1322
1323         def close(self):
1324                 self.getter.stop()
1325
1326 def log(s):
1327         if log_file != None:
1328                 log_file.write(s)
1329
1330
1331 def log_init(board, players):
1332         if log_file != None:
1333                 log_file.setup(board, players)
1334
1335 # --- log.py --- #
1336
1337
1338
1339
1340
1341 # A thread that runs the game
1342 class GameThread(StoppableThread):
1343         def __init__(self, board, players):
1344                 StoppableThread.__init__(self)
1345                 self.board = board
1346                 self.players = players
1347                 self.state = {"turn" : None} # The game state
1348                 self.error = 0 # Whether the thread exits with an error
1349                 self.lock = threading.RLock() #lock for access of self.state
1350                 self.cond = threading.Condition() # conditional for some reason, I forgot
1351                 self.final_result = ""
1352
1353
1354
1355         # Run the game (run in new thread with start(), run in current thread with run())
1356         def run(self):
1357                 result = ""
1358                 while not self.stopped():
1359
1360                         for p in self.players:
1361                                 with self.lock:
1362                                         if isinstance(p, NetworkSender):
1363                                                 self.state["turn"] = p.base_player # "turn" contains the player who's turn it is
1364                                         else:
1365                                                 self.state["turn"] = p
1366                                 #try:
1367                                 if True:
1368                                         [x,y] = p.select() # Player selects a square
1369                                         if self.stopped():
1370                                                 break
1371
1372
1373
1374
1375                                         result = self.board.select(x, y, colour = p.colour)
1376                                         for p2 in self.players:
1377                                                 p2.update(result) # Inform players of what happened
1378
1379
1380                                         log(result)
1381
1382                                         target = self.board.grid[x][y]
1383                                         if isinstance(graphics, GraphicsThread):
1384                                                 with graphics.lock:
1385                                                         graphics.state["moves"] = self.board.possible_moves(target)
1386                                                         graphics.state["select"] = target
1387
1388                                         time.sleep(turn_delay)
1389
1390
1391                                         if len(self.board.possible_moves(target)) == 0:
1392                                                 #print "Piece cannot move"
1393                                                 target.deselect()
1394                                                 if isinstance(graphics, GraphicsThread):
1395                                                         with graphics.lock:
1396                                                                 graphics.state["moves"] = None
1397                                                                 graphics.state["select"] = None
1398                                                                 graphics.state["dest"] = None
1399                                                 continue
1400
1401                                         try:
1402                                                 [x2,y2] = p.get_move() # Player selects a destination
1403                                         except:
1404                                                 self.stop()
1405
1406                                         if self.stopped():
1407                                                 break
1408
1409                                         result = str(x) + " " + str(y) + " -> " + str(x2) + " " + str(y2)
1410                                         log(result)
1411
1412                                         self.board.update_move(x, y, x2, y2)
1413
1414                                         for p2 in self.players:
1415                                                 p2.update(result) # Inform players of what happened
1416
1417
1418
1419                                         if isinstance(graphics, GraphicsThread):
1420                                                 with graphics.lock:
1421                                                         graphics.state["moves"] = [[x2,y2]]
1422
1423                                         time.sleep(turn_delay)
1424
1425                                         if isinstance(graphics, GraphicsThread):
1426                                                 with graphics.lock:
1427                                                         graphics.state["select"] = None
1428                                                         graphics.state["dest"] = None
1429                                                         graphics.state["moves"] = None
1430
1431                         # Commented out exception stuff for now, because it makes it impossible to tell if I made an IndentationError somewhere
1432                         #       except Exception,e:
1433                         #               result = e.message
1434                         #               #sys.stderr.write(result + "\n")
1435                         #
1436                         #               self.stop()
1437                         #               with self.lock:
1438                         #                       self.final_result = self.state["turn"].colour + " " + e.message
1439
1440                                 if self.board.king["black"] == None:
1441                                         if self.board.king["white"] == None:
1442                                                 with self.lock:
1443                                                         self.final_result = self.state["turn"].colour + " DRAW"
1444                                         else:
1445                                                 with self.lock:
1446                                                         self.final_result = "white"
1447                                         self.stop()
1448                                 elif self.board.king["white"] == None:
1449                                         with self.lock:
1450                                                 self.final_result = "black"
1451                                         self.stop()
1452
1453
1454                                 if self.stopped():
1455                                         break
1456
1457
1458                 for p2 in self.players:
1459                         p2.quit(self.final_result)
1460
1461                 log(self.final_result)
1462
1463                 if isinstance(graphics, GraphicsThread):
1464                         graphics.stop()
1465
1466
1467 # A thread that replays a log file
1468 class ReplayThread(GameThread):
1469         def __init__(self, players, src, end=False,max_lines=None):
1470                 self.board = Board(style="empty")
1471                 GameThread.__init__(self, self.board, players)
1472                 self.src = src
1473                 self.max_lines = max_lines
1474                 self.line_number = 0
1475                 self.end = end
1476
1477                 self.reset_board(self.src.readline())
1478
1479         def reset_board(self, line):
1480                 pieces = {"white" : [], "black" : []}
1481                 king = {"white" : None, "black" : None}
1482                 grid = [[None] * w for _ in range(h)]
1483                 for x in range(w):
1484                         for y in range(h):
1485                                 self.board.grid[x][y] = None
1486                 while line != "# Start game":
1487                         if line[0] == "#":
1488                                 line = self.src.readline().strip(" \r\n")
1489                                 continue
1490
1491                         tokens = line.split(" ")
1492                         [x, y] = map(int, tokens[len(tokens)-1].split(","))
1493                         current_type = tokens[1]
1494                         types = map(lambda e : e.strip("'[], "), (tokens[2]+tokens[3]).split(","))
1495
1496                         target = Piece(tokens[0], x, y, types)
1497                         target.current_type = current_type
1498
1499                         try:
1500                                 target.choice = types.index(current_type)
1501                         except:
1502                                 target.choice = -1
1503
1504                         pieces[tokens[0]].append(target)
1505                         if target.current_type == "king":
1506                                 king[tokens[0]] = target
1507                         grid[x][y] = target
1508
1509                         line = self.src.readline().strip(" \r\n")
1510
1511                 self.board.pieces = pieces
1512                 self.board.king = king
1513                 self.board.grid = grid
1514
1515                 # Update the player's boards
1516
1517         def run(self):
1518                 move_count = 0
1519                 line = self.src.readline().strip(" \r\n")
1520                 while line != "# EOF":
1521                         if self.stopped():
1522                                 break
1523
1524
1525
1526                         if line[0] == '#':
1527                                 line = self.src.readline().strip(" \r\n")
1528                                 continue
1529
1530                         tokens = line.split(" ")
1531                         if tokens[0] == "white" or tokens[0] == "black":
1532                                 self.reset_board(line)
1533                                 line = self.src.readline().strip(" \r\n")
1534                                 continue
1535
1536                         move = line.split(":")
1537                         move = move[len(move)-1].strip(" \r\n")
1538                         tokens = move.split(" ")
1539
1540
1541                         try:
1542                                 [x,y] = map(int, tokens[0:2])
1543                         except:
1544                                 self.stop()
1545                                 break
1546
1547                         log(move)
1548
1549                         target = self.board.grid[x][y]
1550                         with self.lock:
1551                                 if target.colour == "white":
1552                                         self.state["turn"] = self.players[0]
1553                                 else:
1554                                         self.state["turn"] = self.players[1]
1555
1556                         move_piece = (tokens[2] == "->")
1557                         if move_piece:
1558                                 [x2,y2] = map(int, tokens[len(tokens)-2:])
1559
1560                         if isinstance(graphics, GraphicsThread):
1561                                 with graphics.lock:
1562                                         graphics.state["select"] = target
1563
1564                         if not move_piece:
1565                                 self.board.update_select(x, y, int(tokens[2]), tokens[len(tokens)-1])
1566                                 if isinstance(graphics, GraphicsThread):
1567                                         with graphics.lock:
1568                                                 graphics.state["moves"] = self.board.possible_moves(target)
1569                                         time.sleep(turn_delay)
1570                         else:
1571                                 self.board.update_move(x, y, x2, y2)
1572                                 if isinstance(graphics, GraphicsThread):
1573                                         with graphics.lock:
1574                                                 graphics.state["moves"] = [[x2,y2]]
1575                                         time.sleep(turn_delay)
1576                                         with graphics.lock:
1577                                                 graphics.state["select"] = None
1578                                                 graphics.state["moves"] = None
1579                                                 graphics.state["dest"] = None
1580
1581
1582
1583
1584
1585                         for p in self.players:
1586                                 p.update(move)
1587
1588                         line = self.src.readline().strip(" \r\n")
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605                 if self.max_lines != None and self.max_lines > count:
1606                         sys.stderr.write(sys.argv[0] + " : Replaying from file; stopping at last line (" + str(count) + ")\n")
1607                         sys.stderr.write(sys.argv[0] + " : (You requested line " + str(self.max_lines) + ")\n")
1608
1609                 if self.end and isinstance(graphics, GraphicsThread):
1610                         #graphics.stop()
1611                         pass # Let the user stop the display
1612                 elif not self.end:
1613                         global game
1614                         game = GameThread(self.board, self.players)
1615                         game.run()
1616
1617
1618
1619
1620 def opponent(colour):
1621         if colour == "white":
1622                 return "black"
1623         else:
1624                 return "white"
1625 # --- game.py --- #
1626 try:
1627         import pygame
1628 except:
1629         pass
1630 import os
1631
1632 # Dictionary that stores the unicode character representations of the different pieces
1633 # Chess was clearly the reason why unicode was invented
1634 # For some reason none of the pygame chess implementations I found used them!
1635 piece_char = {"white" : {"king" : u'\u2654',
1636                          "queen" : u'\u2655',
1637                          "rook" : u'\u2656',
1638                          "bishop" : u'\u2657',
1639                          "knight" : u'\u2658',
1640                          "pawn" : u'\u2659',
1641                          "unknown" : '?'},
1642                 "black" : {"king" : u'\u265A',
1643                          "queen" : u'\u265B',
1644                          "rook" : u'\u265C',
1645                          "bishop" : u'\u265D',
1646                          "knight" : u'\u265E',
1647                          "pawn" : u'\u265F',
1648                          "unknown" : '?'}}
1649
1650 images = {"white" : {}, "black" : {}}
1651 small_images = {"white" : {}, "black" : {}}
1652
1653 def create_images(grid_sz, font_name=os.path.join(os.path.curdir, "data", "DejaVuSans.ttf")):
1654
1655         # Get the font sizes
1656         l_size = 5*(grid_sz[0] / 8)
1657         s_size = 3*(grid_sz[0] / 8)
1658
1659         for c in piece_char.keys():
1660
1661                 if c == "black":
1662                         for p in piece_char[c].keys():
1663                                 images[c].update({p : pygame.font.Font(font_name, l_size).render(piece_char[c][p], True,(0,0,0))})
1664                                 small_images[c].update({p : pygame.font.Font(font_name, s_size).render(piece_char[c][p],True,(0,0,0))})
1665                 elif c == "white":
1666                         for p in piece_char[c].keys():
1667                                 images[c].update({p : pygame.font.Font(font_name, l_size+1).render(piece_char["black"][p], True,(255,255,255))})
1668                                 images[c][p].blit(pygame.font.Font(font_name, l_size).render(piece_char[c][p], True,(0,0,0)),(0,0))
1669                                 small_images[c].update({p : pygame.font.Font(font_name, s_size+1).render(piece_char["black"][p],True,(255,255,255))})
1670                                 small_images[c][p].blit(pygame.font.Font(font_name, s_size).render(piece_char[c][p],True,(0,0,0)),(0,0))
1671
1672
1673 def load_images(image_dir=os.path.join(os.path.curdir, "data", "images")):
1674         if not os.path.exists(image_dir):
1675                 raise Exception("Couldn't load images from " + image_dir + " (path doesn't exist)")
1676         for c in piece_char.keys():
1677                 for p in piece_char[c].keys():
1678                         images[c].update({p : pygame.image.load(os.path.join(image_dir, c + "_" + p + ".png"))})
1679                         small_images[c].update({p : pygame.image.load(os.path.join(image_dir, c + "_" + p + "_small.png"))})
1680 # --- images.py --- #
1681 graphics_enabled = True
1682 try:
1683         import pygame
1684 except:
1685         graphics_enabled = False
1686
1687
1688
1689
1690 # A thread to make things pretty
1691 class GraphicsThread(StoppableThread):
1692         def __init__(self, board, title = "UCC::Progcomp 2013 - QChess", grid_sz = [80,80]):
1693                 StoppableThread.__init__(self)
1694
1695                 self.board = board
1696                 pygame.init()
1697                 self.window = pygame.display.set_mode((grid_sz[0] * w, grid_sz[1] * h))
1698                 pygame.display.set_caption(title)
1699
1700                 #print "Initialised properly"
1701
1702                 self.grid_sz = grid_sz[:]
1703                 self.state = {"select" : None, "dest" : None, "moves" : None, "overlay" : None, "coverage" : None}
1704                 self.error = 0
1705                 self.lock = threading.RLock()
1706                 self.cond = threading.Condition()
1707
1708                 #print "Test font"
1709                 pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), 32).render("Hello", True,(0,0,0))
1710
1711                 #load_images()
1712                 create_images(grid_sz)
1713
1714                 """
1715                 for c in images.keys():
1716                         for p in images[c].keys():
1717                                 images[c][p] = images[c][p].convert(self.window)
1718                                 small_images[c][p] = small_images[c][p].convert(self.window)
1719                 """
1720
1721
1722
1723
1724
1725         # On the run from the world
1726         def run(self):
1727
1728                 while not self.stopped():
1729
1730                         #print "Display grid"
1731                         self.board.display_grid(window = self.window, grid_sz = self.grid_sz) # Draw the board
1732
1733                         #print "Display overlay"
1734                         self.overlay()
1735
1736                         #print "Display pieces"
1737                         self.board.display_pieces(window = self.window, grid_sz = self.grid_sz) # Draw the board
1738
1739                         pygame.display.flip()
1740
1741                         for event in pygame.event.get():
1742                                 if event.type == pygame.QUIT:
1743                                         if isinstance(game, GameThread):
1744                                                 with game.lock:
1745                                                         game.final_result = ""
1746                                                         if game.state["turn"] != None:
1747                                                                 game.final_result = game.state["turn"].colour + " "
1748                                                         game.final_result += "terminated"
1749                                                 game.stop()
1750                                         self.stop()
1751                                         break
1752                                 elif event.type == pygame.MOUSEBUTTONDOWN:
1753                                         self.mouse_down(event)
1754                                 elif event.type == pygame.MOUSEBUTTONUP:
1755                                         self.mouse_up(event)
1756
1757
1758
1759
1760
1761
1762                 self.message("Game ends, result \""+str(game.final_result) + "\"")
1763                 time.sleep(1)
1764
1765                 # Wake up anyone who is sleeping
1766                 self.cond.acquire()
1767                 self.cond.notify()
1768                 self.cond.release()
1769
1770                 pygame.quit() # Time to say goodbye
1771
1772         # Mouse release event handler
1773         def mouse_up(self, event):
1774                 if event.button == 3:
1775                         with self.lock:
1776                                 self.state["overlay"] = None
1777                 elif event.button == 2:
1778                         with self.lock:
1779                                 self.state["coverage"] = None
1780
1781         # Mouse click event handler
1782         def mouse_down(self, event):
1783                 if event.button == 1:
1784                         m = [event.pos[i] / self.grid_sz[i] for i in range(2)]
1785                         if isinstance(game, GameThread):
1786                                 with game.lock:
1787                                         p = game.state["turn"]
1788                         else:
1789                                         p = None
1790
1791
1792                         if isinstance(p, HumanPlayer):
1793                                 with self.lock:
1794                                         s = self.board.grid[m[0]][m[1]]
1795                                         select = self.state["select"]
1796                                 if select == None:
1797                                         if s != None and s.colour != p.colour:
1798                                                 self.message("Wrong colour") # Look at all this user friendliness!
1799                                                 time.sleep(1)
1800                                                 return
1801                                         # Notify human player of move
1802                                         self.cond.acquire()
1803                                         with self.lock:
1804                                                 self.state["select"] = s
1805                                                 self.state["dest"] = None
1806                                         self.cond.notify()
1807                                         self.cond.release()
1808                                         return
1809
1810                                 if select == None:
1811                                         return
1812
1813
1814                                 if self.state["moves"] == None:
1815                                         return
1816
1817                                 if not m in self.state["moves"]:
1818                                         self.message("Illegal Move") # I still think last year's mouse interface was adequate
1819                                         time.sleep(2)
1820                                         return
1821
1822                                 with self.lock:
1823                                         if self.state["dest"] == None:
1824                                                 self.cond.acquire()
1825                                                 self.state["dest"] = m
1826                                                 self.state["select"] = None
1827                                                 self.state["moves"] = None
1828                                                 self.cond.notify()
1829                                                 self.cond.release()
1830                 elif event.button == 3:
1831                         m = [event.pos[i] / self.grid_sz[i] for i in range(len(event.pos))]
1832                         if isinstance(game, GameThread):
1833                                 with game.lock:
1834                                         p = game.state["turn"]
1835                         else:
1836                                 p = None
1837
1838
1839                         if isinstance(p, HumanPlayer):
1840                                 with self.lock:
1841                                         self.state["overlay"] = self.board.probability_grid(self.board.grid[m[0]][m[1]])
1842
1843                 elif event.button == 2:
1844                         m = [event.pos[i] / self.grid_sz[i] for i in range(len(event.pos))]
1845                         if isinstance(game, GameThread):
1846                                 with game.lock:
1847                                         p = game.state["turn"]
1848                         else:
1849                                 p = None
1850
1851
1852                         if isinstance(p, HumanPlayer):
1853                                 with self.lock:
1854                                         self.state["coverage"] = self.board.coverage(m[0], m[1], None, self.state["select"])
1855
1856         # Draw the overlay
1857         def overlay(self):
1858
1859                 square_img = pygame.Surface((self.grid_sz[0], self.grid_sz[1]),pygame.SRCALPHA) # A square image
1860                 # Draw square over the selected piece
1861                 with self.lock:
1862                         select = self.state["select"]
1863                 if select != None:
1864                         mp = [self.grid_sz[i] * [select.x, select.y][i] for i in range(len(self.grid_sz))]
1865                         square_img.fill(pygame.Color(0,255,0,64))
1866                         self.window.blit(square_img, mp)
1867                 # If a piece is selected, draw all reachable squares
1868                 # (This quality user interface has been patented)
1869                 with self.lock:
1870                         m = self.state["moves"]
1871                 if m != None:
1872                         square_img.fill(pygame.Color(255,0,0,128)) # Draw them in blood red
1873                         for move in m:
1874                                 mp = [self.grid_sz[i] * move[i] for i in range(2)]
1875                                 self.window.blit(square_img, mp)
1876                 # If a piece is overlayed, show all squares that it has a probability to reach
1877                 with self.lock:
1878                         m = self.state["overlay"]
1879                 if m != None:
1880                         for x in range(w):
1881                                 for y in range(h):
1882                                         if m[x][y] > 0.0:
1883                                                 mp = [self.grid_sz[i] * [x,y][i] for i in range(2)]
1884                                                 square_img.fill(pygame.Color(255,0,255,int(m[x][y] * 128))) # Draw in purple
1885                                                 self.window.blit(square_img, mp)
1886                                                 font = pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), 14)
1887                                                 text = font.render("{0:.2f}".format(round(m[x][y],2)), 1, pygame.Color(0,0,0))
1888                                                 self.window.blit(text, mp)
1889
1890                 # If a square is selected, highlight all pieces that have a probability to reach it
1891                 with self.lock:
1892                         m = self.state["coverage"]
1893                 if m != None:
1894                         for p in m:
1895                                 mp = [self.grid_sz[i] * [p.x,p.y][i] for i in range(2)]
1896                                 square_img.fill(pygame.Color(0,255,255, int(m[p] * 196))) # Draw in pale blue
1897                                 self.window.blit(square_img, mp)
1898                                 font = pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), 14)
1899                                 text = font.render("{0:.2f}".format(round(m[p],2)), 1, pygame.Color(0,0,0))
1900                                 self.window.blit(text, mp)
1901                         # Draw a square where the mouse is
1902                 # This also serves to indicate who's turn it is
1903
1904                 if isinstance(game, GameThread):
1905                         with game.lock:
1906                                 turn = game.state["turn"]
1907                 else:
1908                         turn = None
1909
1910                 if isinstance(turn, HumanPlayer):
1911                         mp = [self.grid_sz[i] * int(pygame.mouse.get_pos()[i] / self.grid_sz[i]) for i in range(2)]
1912                         square_img.fill(pygame.Color(0,0,255,128))
1913                         if turn.colour == "white":
1914                                 c = pygame.Color(255,255,255)
1915                         else:
1916                                 c = pygame.Color(0,0,0)
1917                         pygame.draw.rect(square_img, c, (0,0,self.grid_sz[0], self.grid_sz[1]), self.grid_sz[0]/10)
1918                         self.window.blit(square_img, mp)
1919
1920         # Message in a bottle
1921         def message(self, string, pos = None, colour = None, font_size = 20):
1922                 #print "Drawing message..."
1923                 font = pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), font_size)
1924                 if colour == None:
1925                         colour = pygame.Color(0,0,0)
1926
1927                 text = font.render(string, 1, colour)
1928
1929
1930                 s = pygame.Surface((text.get_width(), text.get_height()), pygame.SRCALPHA)
1931                 s.fill(pygame.Color(128,128,128))
1932
1933                 tmp = self.window.get_size()
1934
1935                 if pos == None:
1936                         pos = (tmp[0] / 2 - text.get_width() / 2, tmp[1] / 3 - text.get_height())
1937                 else:
1938                         pos = (pos[0]*text.get_width() + tmp[0] / 2 - text.get_width() / 2, pos[1]*text.get_height() + tmp[1] / 3 - text.get_height())
1939
1940
1941                 rect = (pos[0], pos[1], text.get_width(), text.get_height())
1942
1943                 pygame.draw.rect(self.window, pygame.Color(0,0,0), pygame.Rect(rect), 1)
1944                 self.window.blit(s, pos)
1945                 self.window.blit(text, pos)
1946
1947                 pygame.display.flip()
1948
1949         def getstr(self, prompt = None):
1950                 s = pygame.Surface((self.window.get_width(), self.window.get_height()))
1951                 s.blit(self.window, (0,0))
1952                 result = ""
1953
1954                 while True:
1955                         #print "LOOP"
1956                         if prompt != None:
1957                                 self.message(prompt)
1958                                 self.message(result, pos = (0, 1))
1959
1960                         pygame.event.pump()
1961                         for event in pygame.event.get():
1962                                 if event.type == pygame.QUIT:
1963                                         return None
1964                                 if event.type == pygame.KEYDOWN:
1965                                         if event.key == pygame.K_BACKSPACE:
1966                                                 result = result[0:len(result)-1]
1967                                                 self.window.blit(s, (0,0)) # Revert the display
1968                                                 continue
1969
1970
1971                                         try:
1972                                                 if event.unicode == '\r':
1973                                                         return result
1974
1975                                                 result += str(event.unicode)
1976                                         except:
1977                                                 continue
1978
1979
1980         # Function to pick a button
1981         def SelectButton(self, choices, prompt = None, font_size=20):
1982
1983                 #print "Select button called!"
1984                 self.board.display_grid(self.window, self.grid_sz)
1985                 if prompt != None:
1986                         self.message(prompt)
1987                 font = pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), font_size)
1988                 targets = []
1989                 sz = self.window.get_size()
1990
1991
1992                 for i in range(len(choices)):
1993                         c = choices[i]
1994
1995                         text = font.render(c, 1, pygame.Color(0,0,0))
1996                         p = (sz[0] / 2 - (1.5*text.get_width())/2, sz[1] / 2 +(i-1)*text.get_height()+(i*2))
1997                         targets.append((p[0], p[1], p[0] + 1.5*text.get_width(), p[1] + text.get_height()))
1998
1999                 while True:
2000                         mp =pygame.mouse.get_pos()
2001                         for i in range(len(choices)):
2002                                 c = choices[i]
2003                                 if mp[0] > targets[i][0] and mp[0] < targets[i][2] and mp[1] > targets[i][1] and mp[1] < targets[i][3]:
2004                                         font_colour = pygame.Color(255,0,0)
2005                                         box_colour = pygame.Color(0,0,255,128)
2006                                 else:
2007                                         font_colour = pygame.Color(0,0,0)
2008                                         box_colour = pygame.Color(128,128,128)
2009
2010                                 text = font.render(c, 1, font_colour)
2011                                 s = pygame.Surface((text.get_width()*1.5, text.get_height()), pygame.SRCALPHA)
2012                                 s.fill(box_colour)
2013                                 pygame.draw.rect(s, (0,0,0), (0,0,1.5*text.get_width(), text.get_height()), self.grid_sz[0]/10)
2014                                 s.blit(text, ((text.get_width()*1.5)/2 - text.get_width()/2 ,0))
2015                                 self.window.blit(s, targets[i][0:2])
2016
2017
2018                         pygame.display.flip()
2019
2020                         for event in pygame.event.get():
2021                                 if event.type == pygame.QUIT:
2022                                         return None
2023                                 elif event.type == pygame.MOUSEBUTTONDOWN and event.button == 1:
2024                                         for i in range(len(targets)):
2025                                                 t = targets[i]
2026                                                 if event.pos[0] > t[0] and event.pos[0] < t[2]:
2027                                                         if event.pos[1] > t[1] and event.pos[1] < t[3]:
2028                                                                 return i
2029                                                 #print "Reject " + str(i) + str(event.pos) + " vs " + str(t)
2030
2031
2032         # Function to pick players in a nice GUI way
2033         def SelectPlayers(self, players = []):
2034
2035
2036                 #print "SelectPlayers called"
2037
2038                 missing = ["white", "black"]
2039                 for p in players:
2040                         missing.remove(p.colour)
2041
2042                 for colour in missing:
2043
2044
2045                         choice = self.SelectButton(["human", "agent", "network"],prompt = "Choose " + str(colour) + " player")
2046                         if choice == 0:
2047                                 players.append(HumanPlayer("human", colour))
2048                         elif choice == 1:
2049                                 import inspect
2050                                 internal_agents = inspect.getmembers(sys.modules[__name__], inspect.isclass)
2051                                 internal_agents = [x for x in internal_agents if issubclass(x[1], InternalAgent)]
2052                                 internal_agents.remove(('InternalAgent', InternalAgent))
2053                                 if len(internal_agents) > 0:
2054                                         choice2 = self.SelectButton(["internal", "external"], prompt="Type of agent")
2055                                 else:
2056                                         choice2 = 1
2057
2058                                 if choice2 == 0:
2059                                         agent = internal_agents[self.SelectButton(map(lambda e : e[0], internal_agents), prompt="Choose internal agent")]
2060                                         players.append(agent[1](agent[0], colour))
2061                                 elif choice2 == 1:
2062                                         try:
2063                                                 import Tkinter
2064                                                 from tkFileDialog import askopenfilename
2065                                                 root = Tkinter.Tk() # Need a root to make Tkinter behave
2066                                                 root.withdraw() # Some sort of magic incantation
2067                                                 path = askopenfilename(parent=root, initialdir="../agents",title=
2068 'Choose an agent.')
2069                                                 if path == "":
2070                                                         return self.SelectPlayers()
2071                                                 players.append(make_player(path, colour))
2072                                         except:
2073
2074                                                 p = None
2075                                                 while p == None:
2076                                                         self.board.display_grid(self.window, self.grid_sz)
2077                                                         pygame.display.flip()
2078                                                         path = self.getstr(prompt = "Enter path:")
2079                                                         if path == None:
2080                                                                 return None
2081
2082                                                         if path == "":
2083                                                                 return self.SelectPlayers()
2084
2085                                                         try:
2086                                                                 p = make_player(path, colour)
2087                                                         except:
2088                                                                 self.board.display_grid(self.window, self.grid_sz)
2089                                                                 pygame.display.flip()
2090                                                                 self.message("Invalid path!")
2091                                                                 time.sleep(1)
2092                                                                 p = None
2093                                                 players.append(p)
2094                         elif choice == 2:
2095                                 address = ""
2096                                 while address == "":
2097                                         self.board.display_grid(self.window, self.grid_sz)
2098
2099                                         address = self.getstr(prompt = "Address? (leave blank for server)")
2100                                         if address == None:
2101                                                 return None
2102                                         if address == "":
2103                                                 address = None
2104                                                 continue
2105                                         try:
2106                                                 map(int, address.split("."))
2107                                         except:
2108                                                 self.board.display_grid(self.window, self.grid_sz)
2109                                                 self.message("Invalid IPv4 address!")
2110                                                 address = ""
2111
2112                                 players.append(NetworkReceiver(colour, address))
2113                         else:
2114                                 return None
2115                 #print str(self) + ".SelectPlayers returns " + str(players)
2116                 return players
2117
2118
2119
2120 # --- graphics.py --- #
2121 #!/usr/bin/python -u
2122
2123 # Do you know what the -u does? It unbuffers stdin and stdout
2124 # I can't remember why, but last year things broke without that
2125
2126 """
2127         UCC::Progcomp 2013 Quantum Chess game
2128         @author Sam Moore [SZM] "matches"
2129         @copyright The University Computer Club, Incorporated
2130                 (ie: You can copy it for not for profit purposes)
2131 """
2132
2133 # system python modules or whatever they are called
2134 import sys
2135 import os
2136 import time
2137
2138 turn_delay = 0.5
2139 [game, graphics] = [None, None]
2140
2141 def make_player(name, colour):
2142         if name[0] == '@':
2143                 if name[1:] == "human":
2144                         return HumanPlayer(name, colour)
2145                 s = name[1:].split(":")
2146                 if s[0] == "network":
2147                         address = None
2148                         if len(s) > 1:
2149                                 address = s[1]
2150                         return NetworkReceiver(colour, address)
2151                 if s[0] == "internal":
2152
2153                         import inspect
2154                         internal_agents = inspect.getmembers(sys.modules[__name__], inspect.isclass)
2155                         internal_agents = [x for x in internal_agents if issubclass(x[1], InternalAgent)]
2156                         internal_agents.remove(('InternalAgent', InternalAgent))
2157
2158                         if len(s) != 2:
2159                                 sys.stderr.write(sys.argv[0] + " : '@internal' should be followed by ':' and an agent name\n")
2160                                 sys.stderr.write(sys.argv[0] + " : Choices are: " + str(map(lambda e : e[0], internal_agents)) + "\n")
2161                                 return None
2162
2163                         for a in internal_agents:
2164                                 if s[1] == a[0]:
2165                                         return a[1](name, colour)
2166
2167                         sys.stderr.write(sys.argv[0] + " : Can't find an internal agent matching \"" + s[1] + "\"\n")
2168                         sys.stderr.write(sys.argv[0] + " : Choices are: " + str(map(lambda e : e[0], internal_agents)) + "\n")
2169                         return None
2170
2171
2172         else:
2173                 return ExternalAgent(name, colour)
2174
2175
2176
2177 # The main function! It does the main stuff!
2178 def main(argv):
2179
2180         # Apparently python will silently treat things as local unless you do this
2181         # Anyone who says "You should never use a global variable" can die in a fire
2182         global game
2183         global graphics
2184
2185         global turn_delay
2186         global agent_timeout
2187         global log_file
2188         global src_file
2189         global graphics_enabled
2190         global always_reveal_states
2191
2192         max_lines = None
2193         src_file = None
2194
2195         style = "quantum"
2196         colour = "white"
2197
2198         # Get the important warnings out of the way
2199         if platform.system() == "Windows":
2200                 sys.stderr.write(sys.argv[0] + " : Warning - You are using " + platform.system() + "\n")
2201                 if platform.release() == "Vista":
2202                         sys.stderr.write(sys.argv[0] + " : God help you.\n")
2203
2204
2205         players = []
2206         i = 0
2207         while i < len(argv)-1:
2208                 i += 1
2209                 arg = argv[i]
2210                 if arg[0] != '-':
2211                         p = make_player(arg, colour)
2212                         if not isinstance(p, Player):
2213                                 sys.stderr.write(sys.argv[0] + " : Fatal error creating " + colour + " player\n")
2214                                 return 100
2215                         players.append(p)
2216                         if colour == "white":
2217                                 colour = "black"
2218                         elif colour == "black":
2219                                 pass
2220                         else:
2221                                 sys.stderr.write(sys.argv[0] + " : Too many players (max 2)\n")
2222                         continue
2223
2224                 # Option parsing goes here
2225                 if arg[1] == '-' and arg[2:] == "classical":
2226                         style = "classical"
2227                 elif arg[1] == '-' and arg[2:] == "quantum":
2228                         style = "quantum"
2229                 elif arg[1] == '-' and arg[2:] == "reveal":
2230                         always_reveal_states = True
2231                 elif (arg[1] == '-' and arg[2:] == "graphics"):
2232                         graphics_enabled = not graphics_enabled
2233                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "file"):
2234                         # Load game from file
2235                         if len(arg[2:].split("=")) == 1:
2236                                 src_file = sys.stdin
2237                         else:
2238                                 f = arg[2:].split("=")[1]
2239                                 if f[0] == '@':
2240                                         src_file = HttpReplay("http://" + f.split(":")[0][1:])
2241                                 else:
2242                                         src_file = open(f.split(":")[0], "r", 0)
2243
2244                                 if len(f.split(":")) == 2:
2245                                         max_lines = int(f.split(":")[1])
2246
2247                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "log"):
2248                         # Log file
2249                         if len(arg[2:].split("=")) == 1:
2250                                 log_file = LogFile(sys.stdout)
2251                         else:
2252                                 f = arg[2:].split("=")[1]
2253                                 if f[0] == '@':
2254                                         log_file = HttpLog(f[1:])
2255                                 else:
2256                                         log_file = LogFile(open(f, "w", 0))
2257                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "delay"):
2258                         # Delay
2259                         if len(arg[2:].split("=")) == 1:
2260                                 turn_delay = 0
2261                         else:
2262                                 turn_delay = float(arg[2:].split("=")[1])
2263
2264                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "timeout"):
2265                         # Timeout
2266                         if len(arg[2:].split("=")) == 1:
2267                                 agent_timeout = -1
2268                         else:
2269                                 agent_timeout = float(arg[2:].split("=")[1])
2270
2271                 elif (arg[1] == '-' and arg[2:] == "help"):
2272                         # Help
2273                         os.system("less data/help.txt") # The best help function
2274                         return 0
2275
2276
2277         # Create the board
2278
2279         # Construct a GameThread! Make it global! Damn the consequences!
2280
2281         if src_file != None:
2282                 # Hack to stop ReplayThread from exiting
2283                 #if len(players) == 0:
2284                 #       players = [HumanPlayer("dummy", "white"), HumanPlayer("dummy", "black")]
2285
2286                 # Normally the ReplayThread exits if there are no players
2287                 # TODO: Decide which behaviour to use, and fix it
2288                 end = (len(players) == 0)
2289                 if end:
2290                         players = [Player("dummy", "white"), Player("dummy", "black")]
2291                 elif len(players) != 2:
2292                         sys.stderr.write(sys.argv[0] + " : Usage " + sys.argv[0] + " white black\n")
2293                         if graphics_enabled:
2294                                 sys.stderr.write(sys.argv[0] + " : (You won't get a GUI, because --file was used, and the author is lazy)\n")
2295                         return 44
2296                 game = ReplayThread(players, src_file, end=end, max_lines=max_lines)
2297         else:
2298                 board = Board(style)
2299                 game = GameThread(board, players)
2300
2301
2302
2303         # Initialise GUI
2304         if graphics_enabled == True:
2305                 try:
2306                         graphics = GraphicsThread(game.board, grid_sz = [64,64]) # Construct a GraphicsThread!
2307
2308                 except Exception,e:
2309                         graphics = None
2310                         sys.stderr.write(sys.argv[0] + " : Got exception trying to initialise graphics\n"+str(e.message)+"\nDisabled graphics\n")
2311                         graphics_enabled = False
2312
2313         # If there are no players listed, display a nice pretty menu
2314         if len(players) != 2:
2315                 if graphics != None:
2316                         players = graphics.SelectPlayers(players)
2317                 else:
2318                         sys.stderr.write(sys.argv[0] + " : Usage " + sys.argv[0] + " white black\n")
2319                         return 44
2320
2321         # If there are still no players, quit
2322         if players == None or len(players) != 2:
2323                 sys.stderr.write(sys.argv[0] + " : Graphics window closed before players chosen\n")
2324                 return 45
2325
2326
2327         # Wrap NetworkSender players around original players if necessary
2328         for i in range(len(players)):
2329                 if isinstance(players[i], NetworkReceiver):
2330                         players[i].board = board # Network players need direct access to the board
2331                         for j in range(len(players)):
2332                                 if j == i:
2333                                         continue
2334                                 if isinstance(players[j], NetworkSender) or isinstance(players[j], NetworkReceiver):
2335                                         continue
2336                                 players[j] = NetworkSender(players[j], players[i].address)
2337                                 players[j].board = board
2338
2339         # Connect the networked players
2340         for p in players:
2341                 if isinstance(p, NetworkSender) or isinstance(p, NetworkReceiver):
2342                         if graphics != None:
2343                                 graphics.board.display_grid(graphics.window, graphics.grid_sz)
2344                                 graphics.message("Connecting to " + p.colour + " player...")
2345                         p.connect()
2346
2347
2348         # If using windows, select won't work; use horrible TimeoutPlayer hack
2349         if agent_timeout > 0:
2350                 if platform.system() == "Windows":
2351                         for i in range(len(players)):
2352                                 if isinstance(players[i], ExternalAgent) or isinstance(players[i], InternalAgent):
2353                                         players[i] = TimeoutPlayer(players[i], agent_timeout)
2354
2355                 else:
2356                         warned = False
2357                         # InternalAgents get wrapped to an ExternalAgent when there is a timeout
2358                         # This is not confusing at all.
2359                         for i in range(len(players)):
2360                                 if isinstance(players[i], InternalAgent):
2361                                                 players[i] = ExternalWrapper(players[i])
2362
2363
2364
2365
2366
2367
2368
2369         log_init(game.board, players)
2370
2371
2372         if graphics != None:
2373                 game.start() # This runs in a new thread
2374                 graphics.run()
2375                 if game.is_alive():
2376                         game.join()
2377
2378
2379                 error = game.error + graphics.error
2380         else:
2381                 game.run()
2382                 error = game.error
2383
2384
2385         if log_file != None and log_file != sys.stdout:
2386                 log_file.close()
2387
2388         if src_file != None and src_file != sys.stdin:
2389                 src_file.close()
2390
2391         return error
2392
2393 # This is how python does a main() function...
2394 if __name__ == "__main__":
2395         try:
2396                 sys.exit(main(sys.argv))
2397         except KeyboardInterrupt:
2398                 sys.stderr.write(sys.argv[0] + " : Got KeyboardInterrupt. Stopping everything\n")
2399                 if isinstance(graphics, StoppableThread):
2400                         graphics.stop()
2401                         graphics.run() # Will clean up graphics because it is stopped, not run it (a bit dodgy)
2402
2403                 if isinstance(game, StoppableThread):
2404                         game.stop()
2405                         if game.is_alive():
2406                                 game.join()
2407
2408                 sys.exit(102)
2409
2410 # --- main.py --- #
2411 # EOF - created from make on Wed Jan 30 21:00:29 WST 2013