qchess/qchess.py

   1 #!/usr/bin/python -u
   2 # +++ piece.py +++ #
   3 import random
   4
   5 # I know using non-abreviated strings is inefficient, but this is python, who cares?
   6 # Oh, yeah, this stores the number of pieces of each type in a normal chess game
   7 piece_types = {"pawn" : 8, "bishop" : 2, "knight" : 2, "rook" : 2, "queen" : 1, "king" : 1, "unknown" : 0}
   8
   9 # Class to represent a quantum chess piece
  10 class Piece():
  11         def __init__(self, colour, x, y, types):
  12                 self.colour = colour # Colour (string) either "white" or "black"
  13                 self.x = x # x coordinate (0 - 8), none of this fancy 'a', 'b' shit here
  14                 self.y = y # y coordinate (0 - 8)
  15                 self.types = types # List of possible types the piece can be (should just be two)
  16                 self.current_type = "unknown" # Current type
  17                 self.choice = -1 # Index of the current type in self.types (-1 = unknown type)
  18                 self.types_revealed = [True, False] # Whether the types are known (by default the first type is always known at game start)
  19
  20
  21                 #
  22                 self.last_state = None
  23                 self.move_pattern = None
  24
  25
  26
  27         def init_from_copy(self, c):
  28                 self.colour = c.colour
  29                 self.x = c.x
  30                 self.y = c.y
  31                 self.types = c.types[:]
  32                 self.current_type = c.current_type
  33                 self.choice = c.choice
  34                 self.types_revealed = c.types_revealed[:]
  35
  36                 self.last_state = None
  37                 self.move_pattern = None
  38
  39
  40
  41         # Make a string for the piece (used for debug)
  42         def __str__(self):
  43                 return str(self.current_type) + " " + str(self.types) + " at " + str(self.x) + ","+str(self.y)
  44
  45         # Draw the piece in a pygame surface
  46         def draw(self, window, grid_sz = [80,80], style="quantum"):
  47
  48                 # First draw the image corresponding to self.current_type
  49                 img = images[self.colour][self.current_type]
  50                 rect = img.get_rect()
  51                 if style == "classical":
  52                         offset = [-rect.width/2, -rect.height/2]
  53                 else:
  54                         offset = [-rect.width/2,-3*rect.height/4]
  55                 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]))
  56
  57
  58                 if style == "classical":
  59                         return
  60
  61                 # Draw the two possible types underneath the current_type image
  62                 for i in range(len(self.types)):
  63                         if self.types_revealed[i] == True:
  64                                 img = small_images[self.colour][self.types[i]]
  65                         else:
  66                                 img = small_images[self.colour]["unknown"] # If the type hasn't been revealed, show a placeholder
  67
  68
  69                         rect = img.get_rect()
  70                         offset = [-rect.width/2,-rect.height/2]
  71
  72                         if i == 0:
  73                                 target = (self.x * grid_sz[0] + grid_sz[0]/5 + offset[0], self.y * grid_sz[1] + 3*grid_sz[1]/4 + offset[1])
  74                         else:
  75                                 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])
  76
  77                         window.blit(img, target) # Blit shit
  78
  79         # Collapses the wave function!
  80         def select(self):
  81                 if self.current_type == "unknown":
  82                         self.choice = random.randint(0,1)
  83                         self.current_type = self.types[self.choice]
  84                         self.types_revealed[self.choice] = True
  85                 return self.choice
  86
  87         # Uncollapses (?) the wave function!
  88         def deselect(self):
  89                 #print "Deselect called"
  90                 if (self.x + self.y) % 2 != 0:
  91                         if (self.types[0] != self.types[1]) or (self.types_revealed[0] == False or self.types_revealed[1] == False):
  92                                 self.current_type = "unknown"
  93                                 self.choice = -1
  94                         else:
  95                                 self.choice = 0 # Both the two types are the same
  96
  97         # The sad moment when you realise that you do not understand anything about a subject you studied for 4 years...
  98 # --- piece.py --- #
  99 # +++ board.py +++ #
 100 [w,h] = [8,8] # Width and height of board(s)
 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                 # Add all the pieces with known primary types
 117                 for i in range(0, 2):
 118
 119                         s = ["black", "white"][i]
 120                         c = self.pieces[s]
 121                         y = [0, h-1][i]
 122
 123                         c.append(Piece(s, 0, y, ["rook"]))
 124                         c.append(Piece(s, 1, y, ["knight"]))
 125                         c.append(Piece(s, 2, y, ["bishop"]))
 126                         k = Piece(s, 3, y, ["king", "king"]) # There can only be one ruler!
 127                         k.types_revealed[1] = True
 128                         k.current_type = "king"
 129                         self.king[s] = k
 130                         c.append(k)
 131                         c.append(Piece(s, 4, y, ["queen"])) # Apparently he may have multiple wives though.
 132                         c.append(Piece(s, 5, y, ["bishop"]))
 133                         c.append(Piece(s, 6, y, ["knight"]))
 134                         c.append(Piece(s, 7, y, ["rook"]))
 135
 136                         if y == 0:
 137                                 y += 1
 138                         else:
 139                                 y -= 1
 140
 141                         # Lots of pawn
 142                         for x in range(0, w):
 143                                 c.append(Piece(s, x, y, ["pawn"]))
 144
 145                         types_left = {}
 146                         types_left.update(piece_types)
 147                         del types_left["king"] # We don't want one of these randomly appearing (although it might make things interesting...)
 148                         del types_left["unknown"] # We certainly don't want these!
 149                         for piece in c:
 150                                 # Add to grid
 151                                 self.grid[piece.x][piece.y] = piece
 152
 153                                 if len(piece.types) > 1:
 154                                         continue
 155                                 if style == "agent": # Assign placeholder "unknown" secondary type
 156                                         piece.types.append("unknown")
 157                                         continue
 158
 159                                 elif style == "quantum":
 160                                         # The master allocates the secondary types
 161                                         choice = types_left.keys()[random.randint(0, len(types_left.keys())-1)]
 162                                         types_left[choice] -= 1
 163                                         if types_left[choice] <= 0:
 164                                                 del types_left[choice]
 165                                         piece.types.append(choice)
 166                                 elif style == "classical":
 167                                         piece.types.append(piece.types[0])
 168                                         piece.current_type = piece.types[0]
 169                                         piece.types_revealed[1] = True
 170                                         piece.choice = 0
 171
 172         def clone(self):
 173                 newboard = Board(master = False)
 174                 newpieces = newboard.pieces["white"] + newboard.pieces["black"]
 175                 mypieces = self.pieces["white"] + self.pieces["black"]
 176
 177                 for i in range(len(mypieces)):
 178                         newpieces[i].init_from_copy(mypieces[i])
 179
 180
 181         def display_grid(self, window = None, grid_sz = [80,80]):
 182                 if window == None:
 183                         return # I was considering implementing a text only display, then I thought "Fuck that"
 184
 185                 # The indentation is getting seriously out of hand...
 186                 for x in range(0, w):
 187                         for y in range(0, h):
 188                                 if (x + y) % 2 == 0:
 189                                         c = pygame.Color(200,200,200)
 190                                 else:
 191                                         c = pygame.Color(64,64,64)
 192                                 pygame.draw.rect(window, c, (x*grid_sz[0], y*grid_sz[1], (x+1)*grid_sz[0], (y+1)*grid_sz[1]))
 193
 194         def display_pieces(self, window = None, grid_sz = [80,80]):
 195                 if window == None:
 196                         return
 197                 for p in self.pieces["white"] + self.pieces["black"]:
 198                         p.draw(window, grid_sz, self.style)
 199
 200         # Draw the board in a pygame window
 201         def display(self, window = None):
 202                 self.display_grid(window)
 203                 self.display_pieces(window)
 204
 205
 206
 207
 208         def verify(self):
 209                 for x in range(w):
 210                         for y in range(h):
 211                                 if self.grid[x][y] == None:
 212                                         continue
 213                                 if (self.grid[x][y].x != x or self.grid[x][y].y != y):
 214                                         raise Exception(sys.argv[0] + ": MISMATCH " + str(self.grid[x][y]) + " should be at " + str(x) + "," + str(y))
 215
 216         # Select a piece on the board (colour is the colour of whoever is doing the selecting)
 217         def select(self, x,y, colour=None):
 218                 if not self.on_board(x, y): # Get on board everyone!
 219                         raise Exception("BOUNDS")
 220
 221                 piece = self.grid[x][y]
 222                 if piece == None:
 223                         raise Exception("EMPTY")
 224
 225                 if colour != None and piece.colour != colour:
 226                         raise Exception("COLOUR " + str(piece.colour) + " not " + str(colour))
 227
 228                 # I'm not quite sure why I made this return a string, but screw logical design
 229                 return str(x) + " " + str(y) + " " + str(piece.select()) + " " + str(piece.current_type)
 230
 231
 232         # Update the board when a piece has been selected
 233         # "type" is apparently reserved, so I'll use "state"
 234         def update_select(self, x, y, type_index, state):
 235                 piece = self.grid[x][y]
 236                 if piece.types[type_index] == "unknown":
 237                         if not state in self.unrevealed_types[piece.colour].keys():
 238                                 raise Exception("SANITY: Too many " + piece.colour + " " + state + "s")
 239                         self.unrevealed_types[piece.colour][state] -= 1
 240                         if self.unrevealed_types[piece.colour][state] <= 0:
 241                                 del self.unrevealed_types[piece.colour][state]
 242
 243                 piece.types[type_index] = state
 244                 piece.types_revealed[type_index] = True
 245                 piece.current_type = state
 246
 247                 if len(self.possible_moves(piece)) <= 0:
 248                         piece.deselect() # Piece can't move; deselect it
 249
 250         # Update the board when a piece has been moved
 251         def update_move(self, x, y, x2, y2):
 252                 piece = self.grid[x][y]
 253                 self.grid[x][y] = None
 254                 taken = self.grid[x2][y2]
 255                 if taken != None:
 256                         if taken.current_type == "king":
 257                                 self.king[taken.colour] = None
 258                         self.pieces[taken.colour].remove(taken)
 259                 self.grid[x2][y2] = piece
 260                 piece.x = x2
 261                 piece.y = y2
 262
 263                 # If the piece is a pawn, and it reaches the final row, it becomes a queen
 264                 # I know you are supposed to get a choice
 265                 # But that would be effort
 266                 if piece.current_type == "pawn" and ((piece.colour == "white" and piece.y == 0) or (piece.colour == "black" and piece.y == h-1)):
 267                         if self.style == "classical":
 268                                 piece.types[0] = "queen"
 269                                 piece.types[1] = "queen"
 270                         else:
 271                                 piece.types[piece.choice] = "queen"
 272                         piece.current_type = "queen"
 273
 274                 piece.deselect() # Uncollapse (?) the wavefunction!
 275                 self.verify()
 276
 277         # Update the board from a string
 278         # Guesses what to do based on the format of the string
 279         def update(self, result):
 280                 #print "Update called with \"" + str(result) + "\""
 281                 # String always starts with 'x y'
 282                 try:
 283                         s = result.split(" ")
 284                         [x,y] = map(int, s[0:2])
 285                 except:
 286                         raise Exception("GIBBERISH \""+ str(result) + "\"") # Raise expectations
 287
 288                 piece = self.grid[x][y]
 289                 if piece == None:
 290                         raise Exception("EMPTY")
 291
 292                 # If a piece is being moved, the third token is '->'
 293                 # We could get away with just using four integers, but that wouldn't look as cool
 294                 if "->" in s:
 295                         # Last two tokens are the destination
 296                         try:
 297                                 [x2,y2] = map(int, s[3:])
 298                         except:
 299                                 raise Exception("GIBBERISH \"" + str(result) + "\"") # Raise the alarm
 300
 301                         # Move the piece (take opponent if possible)
 302                         self.update_move(x, y, x2, y2)
 303
 304                 else:
 305                         # Otherwise we will just assume a piece has been selected
 306                         try:
 307                                 type_index = int(s[2]) # We need to know which of the two types the piece is in; that's the third token
 308                                 state = s[3] # The last token is a string identifying the type
 309                         except:
 310                                 raise Exception("GIBBERISH \"" + result + "\"") # Throw a hissy fit
 311
 312                         # Select the piece
 313                         self.update_select(x, y, type_index, state)
 314
 315                 return result
 316
 317         # Gets each piece that could reach the given square and the probability that it could reach that square
 318         # Will include allied pieces that defend the attacker
 319         def coverage(self, x, y, colour = None, reject_allied = True):
 320                 result = {}
 321
 322                 if colour == None:
 323                         pieces = self.pieces["white"] + self.pieces["black"]
 324                 else:
 325                         pieces = self.pieces[colour]
 326
 327                 for p in pieces:
 328                         prob = self.probability_grid(p, reject_allied)[x][y]
 329                         if prob > 0:
 330                                 result.update({p : prob})
 331
 332                 self.verify()
 333                 return result
 334
 335
 336
 337
 338
 339         # Associates each square with a probability that the piece could move into it
 340         # Look, I'm doing all the hard work for you here...
 341         def probability_grid(self, p, reject_allied = True):
 342
 343                 result = [[0.0] * w for _ in range(h)]
 344                 if not isinstance(p, Piece):
 345                         return result
 346
 347                 if p.current_type != "unknown":
 348                         #sys.stderr.write(sys.argv[0] + ": " + str(p) + " moves " + str(self.possible_moves(p, reject_allied)) + "\n")
 349                         for point in self.possible_moves(p, reject_allied):
 350                                 result[point[0]][point[1]] = 1.0
 351                         return result
 352
 353
 354                 for i in range(len(p.types)):
 355                         t = p.types[i]
 356                         prob = 0.5
 357                         if t == "unknown" or p.types_revealed[i] == False:
 358                                 total_types = 0
 359                                 for t2 in self.unrevealed_types[p.colour].keys():
 360                                         total_types += self.unrevealed_types[p.colour][t2]
 361
 362                                 for t2 in self.unrevealed_types[p.colour].keys():
 363                                         prob2 = float(self.unrevealed_types[p.colour][t2]) / float(total_types)
 364                                         p.current_type = t2
 365                                         for point in self.possible_moves(p, reject_allied):
 366                                                 result[point[0]][point[1]] += prob2 * prob
 367
 368                         else:
 369                                 p.current_type = t
 370                                 for point in self.possible_moves(p, reject_allied):
 371                                         result[point[0]][point[1]] += prob
 372
 373                 self.verify()
 374                 p.current_type = "unknown"
 375                 return result
 376
 377         def prob_is_type(self, p, state):
 378                 prob = 0.5
 379                 result = 0
 380                 for i in range(len(p.types)):
 381                         t = p.types[i]
 382                         if t == state:
 383                                 result += prob
 384                                 continue
 385                         if t == "unknown" or p.types_revealed[i] == False:
 386                                 total_prob = 0
 387                                 for t2 in self.unrevealed_types[p.colour].keys():
 388                                         total_prob += self.unrevealed_types[p.colour][t2]
 389                                 for t2 in self.unrevealed_types[p.colour].keys():
 390                                         if t2 == state:
 391                                                 result += prob * float(self.unrevealed_types[p.colour][t2]) / float(total_prob)
 392
 393
 394
 395         # Get all squares that the piece could move into
 396         # This is probably inefficient, but I looked at some sample chess games and they seem to actually do things this way
 397         # reject_allied indicates whether squares occupied by allied pieces will be removed
 398         # (set to false to check for defense)
 399         def possible_moves(self, p, reject_allied = True):
 400                 result = []
 401                 if p == None:
 402                         return result
 403
 404
 405                 if p.current_type == "unknown":
 406                         raise Exception("SANITY: Piece state unknown")
 407                         # The below commented out code causes things to break badly
 408                         #for t in p.types:
 409                         #       if t == "unknown":
 410                         #               continue
 411                         #       p.current_type = t
 412                         #       result += self.possible_moves(p)
 413                         #p.current_type = "unknown"
 414                         #return result
 415
 416                 if p.current_type == "king":
 417                         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]]
 418                 elif p.current_type == "queen":
 419                         for d in [[-1,0],[1,0],[0,-1],[0,1],[-1,-1],[-1,1],[1,-1],[1,1]]:
 420                                 result += self.scan(p.x, p.y, d[0], d[1])
 421                 elif p.current_type == "bishop":
 422                         for d in [[-1,-1],[-1,1],[1,-1],[1,1]]: # There's a reason why bishops move diagonally
 423                                 result += self.scan(p.x, p.y, d[0], d[1])
 424                 elif p.current_type == "rook":
 425                         for d in [[-1,0],[1,0],[0,-1],[0,1]]:
 426                                 result += self.scan(p.x, p.y, d[0], d[1])
 427                 elif p.current_type == "knight":
 428                         # I would use two lines, but I'm not sure how python likes that
 429                         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]]
 430                 elif p.current_type == "pawn":
 431                         if p.colour == "white":
 432
 433                                 # Pawn can't move forward into occupied square
 434                                 if self.on_board(p.x, p.y-1) and self.grid[p.x][p.y-1] == None:
 435                                         result = [[p.x,p.y-1]]
 436                                 for f in [[p.x-1,p.y-1],[p.x+1,p.y-1]]:
 437                                         if not self.on_board(f[0], f[1]):
 438                                                 continue
 439                                         if self.grid[f[0]][f[1]] != None:  # Pawn can take diagonally
 440                                                 result.append(f)
 441                                 if p.y == h-2:
 442                                         # Slightly embarrassing if the pawn jumps over someone on its first move...
 443                                         if self.grid[p.x][p.y-1] == None and self.grid[p.x][p.y-2] == None:
 444                                                 result.append([p.x, p.y-2])
 445                         else:
 446                                 # Vice versa for the black pawn
 447                                 if self.on_board(p.x, p.y+1) and self.grid[p.x][p.y+1] == None:
 448                                         result = [[p.x,p.y+1]]
 449
 450                                 for f in [[p.x-1,p.y+1],[p.x+1,p.y+1]]:
 451                                         if not self.on_board(f[0], f[1]):
 452                                                 continue
 453                                         if self.grid[f[0]][f[1]] != None:
 454                                                 #sys.stderr.write(sys.argv[0] + " : "+str(p) + " can take " + str(self.grid[f[0]][f[1]]) + "\n")
 455                                                 result.append(f)
 456                                 if p.y == 1:
 457                                         if self.grid[p.x][p.y+1] == None and self.grid[p.x][p.y+2] == None:
 458                                                 result.append([p.x, p.y+2])
 459
 460                         #sys.stderr.write(sys.argv[0] + " : possible_moves for " + str(p) + " " + str(result) + "\n")
 461
 462                 # Remove illegal moves
 463                 # Note: The result[:] creates a copy of result, so that the result.remove calls don't fuck things up
 464                 for point in result[:]:
 465
 466                         if (point[0] < 0 or point[0] >= w) or (point[1] < 0 or point[1] >= h):
 467                                 result.remove(point) # Remove locations outside the board
 468                                 continue
 469                         g = self.grid[point[0]][point[1]]
 470
 471                         if g != None and (g.colour == p.colour and reject_allied == True):
 472                                 result.remove(point) # Remove allied pieces
 473
 474                 self.verify()
 475                 return result
 476
 477
 478         # Scans in a direction until it hits a piece, returns all squares in the line
 479         # (includes the final square (which contains a piece), but not the original square)
 480         def scan(self, x, y, vx, vy):
 481                 p = []
 482
 483                 xx = x
 484                 yy = y
 485                 while True:
 486                         xx += vx
 487                         yy += vy
 488                         if not self.on_board(xx, yy):
 489                                 break
 490                         if not [xx,yy] in p:
 491                                 p.append([xx, yy])
 492                         g = self.grid[xx][yy]
 493                         if g != None:
 494                                 return p
 495
 496                 return p
 497
 498
 499
 500         # I typed the full statement about 30 times before writing this function...
 501         def on_board(self, x, y):
 502                 return (x >= 0 and x < w) and (y >= 0 and y < h)
 503 # --- board.py --- #
 504 # +++ player.py +++ #
 505 import subprocess
 506 import select
 507 import platform
 508
 509 agent_timeout = -1.0 # Timeout in seconds for AI players to make moves
 510                         # WARNING: Won't work for windows based operating systems
 511
 512 if platform.system() == "Windows":
 513         agent_timeout = -1 # Hence this
 514
 515 # A player who can't play
 516 class Player():
 517         def __init__(self, name, colour):
 518                 self.name = name
 519                 self.colour = colour
 520
 521 # Player that runs from another process
 522 class AgentPlayer(Player):
 523
 524
 525         def __init__(self, name, colour):
 526                 Player.__init__(self, name, colour)
 527                 self.p = subprocess.Popen(name, stdin=subprocess.PIPE, stdout=subprocess.PIPE,stderr=subprocess.PIPE)
 528
 529                 self.send_message(colour)
 530
 531         def send_message(self, s):
 532                 if agent_timeout > 0.0:
 533                         ready = select.select([], [self.p.stdin], [], agent_timeout)[1]
 534                 else:
 535                         ready = [self.p.stdin]
 536                 if self.p.stdin in ready:
 537                         #print "Writing to p.stdin"
 538                         try:
 539                                 self.p.stdin.write(s + "\n")
 540                         except:
 541                                 raise Exception("UNRESPONSIVE")
 542                 else:
 543                         raise Exception("UNRESPONSIVE")
 544
 545         def get_response(self):
 546                 if agent_timeout > 0.0:
 547                         ready = select.select([self.p.stdout], [], [], agent_timeout)[0]
 548                 else:
 549                         ready = [self.p.stdout]
 550                 if self.p.stdout in ready:
 551                         #print "Reading from p.stdout"
 552                         try:
 553                                 return self.p.stdout.readline().strip("\r\n")
 554                         except: # Exception, e:
 555                                 raise Exception("UNRESPONSIVE")
 556                 else:
 557                         raise Exception("UNRESPONSIVE")
 558
 559         def select(self):
 560
 561                 self.send_message("SELECTION?")
 562                 line = self.get_response()
 563
 564                 try:
 565                         result = map(int, line.split(" "))
 566                 except:
 567                         raise Exception("GIBBERISH \"" + str(line) + "\"")
 568                 return result
 569
 570         def update(self, result):
 571                 #print "Update " + str(result) + " called for AgentPlayer"
 572                 self.send_message(result)
 573
 574
 575         def get_move(self):
 576
 577                 self.send_message("MOVE?")
 578                 line = self.get_response()
 579
 580                 try:
 581                         result = map(int, line.split(" "))
 582                 except:
 583                         raise Exception("GIBBERISH \"" + str(line) + "\"")
 584                 return result
 585
 586         def quit(self, final_result):
 587                 try:
 588                         self.send_message("QUIT " + final_result)
 589                 except:
 590                         self.p.kill()
 591
 592 # So you want to be a player here?
 593 class HumanPlayer(Player):
 594         def __init__(self, name, colour):
 595                 Player.__init__(self, name, colour)
 596
 597         # Select your preferred account
 598         def select(self):
 599                 if isinstance(graphics, GraphicsThread):
 600                         # Basically, we let the graphics thread do some shit and then return that information to the game thread
 601                         graphics.cond.acquire()
 602                         # We wait for the graphics thread to select a piece
 603                         while graphics.stopped() == False and graphics.state["select"] == None:
 604                                 graphics.cond.wait() # The difference between humans and machines is that humans sleep
 605                         select = graphics.state["select"]
 606
 607
 608                         graphics.cond.release()
 609                         if graphics.stopped():
 610                                 return [-1,-1]
 611                         return [select.x, select.y]
 612                 else:
 613                         # Since I don't display the board in this case, I'm not sure why I filled it in...
 614                         while True:
 615                                 sys.stdout.write("SELECTION?\n")
 616                                 try:
 617                                         p = map(int, sys.stdin.readline().strip("\r\n ").split(" "))
 618                                 except:
 619                                         sys.stderr.write("ILLEGAL GIBBERISH\n")
 620                                         continue
 621         # It's your move captain
 622         def get_move(self):
 623                 if isinstance(graphics, GraphicsThread):
 624                         graphics.cond.acquire()
 625                         while graphics.stopped() == False and graphics.state["dest"] == None:
 626                                 graphics.cond.wait()
 627                         graphics.cond.release()
 628
 629                         return graphics.state["dest"]
 630                 else:
 631
 632                         while True:
 633                                 sys.stdout.write("MOVE?\n")
 634                                 try:
 635                                         p = map(int, sys.stdin.readline().strip("\r\n ").split(" "))
 636                                 except:
 637                                         sys.stderr.write("ILLEGAL GIBBERISH\n")
 638                                         continue
 639
 640         # Are you sure you want to quit?
 641         def quit(self, final_result):
 642                 if graphics == None:
 643                         sys.stdout.write("QUIT " + final_result + "\n")
 644
 645         # Completely useless function
 646         def update(self, result):
 647                 if isinstance(graphics, GraphicsThread):
 648                         pass
 649                 else:
 650                         sys.stdout.write(result + "\n")
 651
 652
 653 # Player that makes random moves
 654 class AgentRandom(Player):
 655         def __init__(self, name, colour):
 656                 Player.__init__(self, name, colour)
 657                 self.choice = None
 658
 659                 self.board = Board(style = "agent")
 660
 661         def select(self):
 662                 while True:
 663                         self.choice = self.board.pieces[self.colour][random.randint(0, len(self.board.pieces[self.colour])-1)]
 664                         all_moves = []
 665                         # Check that the piece has some possibility to move
 666                         tmp = self.choice.current_type
 667                         if tmp == "unknown": # For unknown pieces, try both types
 668                                 for t in self.choice.types:
 669                                         if t == "unknown":
 670                                                 continue
 671                                         self.choice.current_type = t
 672                                         all_moves += self.board.possible_moves(self.choice)
 673                         else:
 674                                 all_moves = self.board.possible_moves(self.choice)
 675                         self.choice.current_type = tmp
 676                         if len(all_moves) > 0:
 677                                 break
 678                 return [self.choice.x, self.choice.y]
 679
 680         def get_move(self):
 681                 moves = self.board.possible_moves(self.choice)
 682                 move = moves[random.randint(0, len(moves)-1)]
 683                 return move
 684
 685         def update(self, result):
 686                 #sys.stderr.write(sys.argv[0] + " : Update board for AgentRandom\n")
 687                 self.board.update(result)
 688                 self.board.verify()
 689
 690         def quit(self, final_result):
 691                 pass
 692 # --- player.py --- #
 693 # +++ network.py +++ #
 694 import socket
 695 import select
 696
 697 network_timeout_start = -1.0 # Timeout in seconds to wait for the start of a message
 698 network_timeout_delay = 1.0 # Maximum time between two characters being received
 699
 700 class Network():
 701         def __init__(self, colour, address = None):
 702                 self.socket = socket.socket()
 703                 #self.socket.setblocking(0)
 704
 705                 if colour == "white":
 706                         self.port = 4562
 707                 else:
 708                         self.port = 4563
 709
 710                 self.src = None
 711
 712         #       print str(self) + " listens on port " + str(self.port)
 713
 714                 if address == None:
 715                         self.host = socket.gethostname()
 716                         self.socket.bind((self.host, self.port))
 717                         self.socket.listen(5)
 718
 719                         self.src, self.address = self.socket.accept()
 720                         self.src.send("ok\n")
 721                         if self.get_response() == "QUIT":
 722                                 self.src.close()
 723                 else:
 724                         self.host = address
 725                         self.socket.connect((address, self.port))
 726                         self.src = self.socket
 727                         self.src.send("ok\n")
 728                         if self.get_response() == "QUIT":
 729                                 self.src.close()
 730
 731         def get_response(self):
 732                 # Timeout the start of the message (first character)
 733                 if network_timeout_start > 0.0:
 734                         ready = select.select([self.src], [], [], network_timeout_start)[0]
 735                 else:
 736                         ready = [self.src]
 737                 if self.src in ready:
 738                         s = self.src.recv(1)
 739                 else:
 740                         raise Exception("UNRESPONSIVE")
 741
 742
 743                 while s[len(s)-1] != '\n':
 744                         # Timeout on each character in the message
 745                         if network_timeout_delay > 0.0:
 746                                 ready = select.select([self.src], [], [], network_timeout_delay)[0]
 747                         else:
 748                                 ready = [self.src]
 749                         if self.src in ready:
 750                                 s += self.src.recv(1)
 751                         else:
 752                                 raise Exception("UNRESPONSIVE")
 753
 754                 return s.strip(" \r\n")
 755
 756         def send_message(self,s):
 757                 if network_timeout_start > 0.0:
 758                         ready = select.select([], [self.src], [], network_timeout_start)[1]
 759                 else:
 760                         ready = [self.src]
 761
 762                 if self.src in ready:
 763                         self.src.send(s + "\n")
 764                 else:
 765                         raise Exception("UNRESPONSIVE")
 766
 767         def check_quit(self, s):
 768                 s = s.split(" ")
 769                 if s[0] == "QUIT":
 770                         with game.lock:
 771                                 game.final_result = " ".join(s[1:]) + " " + str(opponent(self.colour))
 772                         game.stop()
 773                         return True
 774
 775
 776
 777 class NetworkSender(Player,Network):
 778         def __init__(self, base_player, address = None):
 779                 self.base_player = base_player
 780                 Player.__init__(self, base_player.name, base_player.colour)
 781
 782                 self.address = address
 783
 784         def connect(self):
 785                 Network.__init__(self, self.base_player.colour, self.address)
 786
 787
 788
 789         def select(self):
 790                 [x,y] = self.base_player.select()
 791                 choice = self.board.grid[x][y]
 792                 s = str(x) + " " + str(y)
 793                 #print str(self) + ".select sends " + s
 794                 self.send_message(s)
 795                 return [x,y]
 796
 797         def get_move(self):
 798                 [x,y] = self.base_player.get_move()
 799                 s = str(x) + " " + str(y)
 800                 #print str(self) + ".get_move sends " + s
 801                 self.send_message(s)
 802                 return [x,y]
 803
 804         def update(self, s):
 805                 self.base_player.update(s)
 806                 s = s.split(" ")
 807                 [x,y] = map(int, s[0:2])
 808                 selected = self.board.grid[x][y]
 809                 if selected != None and selected.colour == self.colour and len(s) > 2 and not "->" in s:
 810                         s = " ".join(s[0:3])
 811                         for i in range(2):
 812                                 if selected.types_revealed[i] == True:
 813                                         s += " " + str(selected.types[i])
 814                                 else:
 815                                         s += " unknown"
 816                         #print str(self) + ".update sends " + s
 817                         self.send_message(s)
 818
 819
 820         def quit(self, final_result):
 821                 self.base_player.quit(final_result)
 822                 #self.src.send("QUIT " + str(final_result) + "\n")
 823                 self.src.close()
 824
 825 class NetworkReceiver(Player,Network):
 826         def __init__(self, colour, address=None):
 827
 828                 Player.__init__(self, address, colour)
 829
 830                 self.address = address
 831
 832                 self.board = None
 833
 834         def connect(self):
 835                 Network.__init__(self, self.colour, self.address)
 836
 837
 838         def select(self):
 839
 840                 s = self.get_response()
 841                 #print str(self) + ".select gets " + s
 842                 [x,y] = map(int,s.split(" "))
 843                 if x == -1 and y == -1:
 844                         #print str(self) + ".select quits the game"
 845                         with game.lock:
 846                                 game.final_state = "network terminated " + self.colour
 847                         game.stop()
 848                 return [x,y]
 849         def get_move(self):
 850                 s = self.get_response()
 851                 #print str(self) + ".get_move gets " + s
 852                 [x,y] = map(int,s.split(" "))
 853                 if x == -1 and y == -1:
 854                         #print str(self) + ".get_move quits the game"
 855                         with game.lock:
 856                                 game.final_state = "network terminated " + self.colour
 857                         game.stop()
 858                 return [x,y]
 859
 860         def update(self, result):
 861
 862                 result = result.split(" ")
 863                 [x,y] = map(int, result[0:2])
 864                 selected = self.board.grid[x][y]
 865                 if selected != None and selected.colour == self.colour and len(result) > 2 and not "->" in result:
 866                         s = self.get_response()
 867                         #print str(self) + ".update - receives " + str(s)
 868                         s = s.split(" ")
 869                         selected.choice = int(s[2])
 870                         for i in range(2):
 871                                 selected.types[i] = str(s[3+i])
 872                                 if s[3+i] == "unknown":
 873                                         selected.types_revealed[i] = False
 874                                 else:
 875                                         selected.types_revealed[i] = True
 876                         selected.current_type = selected.types[selected.choice]
 877                 else:
 878                         pass
 879                         #print str(self) + ".update - ignore result " + str(result)
 880
 881
 882         def quit(self, final_result):
 883                 self.src.close()
 884
 885 # --- network.py --- #
 886 # +++ thread_util.py +++ #
 887 import threading
 888
 889 # A thread that can be stopped!
 890 # Except it can only be stopped if it checks self.stopped() periodically
 891 # So it can sort of be stopped
 892 class StoppableThread(threading.Thread):
 893         def __init__(self):
 894                 threading.Thread.__init__(self)
 895                 self._stop = threading.Event()
 896
 897         def stop(self):
 898                 self._stop.set()
 899
 900         def stopped(self):
 901                 return self._stop.isSet()
 902 # --- thread_util.py --- #
 903 # +++ game.py +++ #
 904
 905 # A thread that runs the game
 906 class GameThread(StoppableThread):
 907         def __init__(self, board, players):
 908                 StoppableThread.__init__(self)
 909                 self.board = board
 910                 self.players = players
 911                 self.state = {"turn" : None} # The game state
 912                 self.error = 0 # Whether the thread exits with an error
 913                 self.lock = threading.RLock() #lock for access of self.state
 914                 self.cond = threading.Condition() # conditional for some reason, I forgot
 915                 self.final_result = ""
 916
 917         # Run the game (run in new thread with start(), run in current thread with run())
 918         def run(self):
 919                 result = ""
 920                 while not self.stopped():
 921
 922                         for p in self.players:
 923                                 with self.lock:
 924                                         if isinstance(p, NetworkSender):
 925                                                 self.state["turn"] = p.base_player # "turn" contains the player who's turn it is
 926                                         else:
 927                                                 self.state["turn"] = p
 928                                 try:
 929                                         [x,y] = p.select() # Player selects a square
 930                                         if self.stopped():
 931                                                 break
 932
 933
 934
 935
 936                                         result = self.board.select(x, y, colour = p.colour)
 937                                         for p2 in self.players:
 938                                                 p2.update(result) # Inform players of what happened
 939
 940
 941
 942                                         target = self.board.grid[x][y]
 943                                         if isinstance(graphics, GraphicsThread):
 944                                                 with graphics.lock:
 945                                                         graphics.state["moves"] = self.board.possible_moves(target)
 946                                                         graphics.state["select"] = target
 947
 948                                         time.sleep(turn_delay)
 949
 950
 951                                         if len(self.board.possible_moves(target)) == 0:
 952                                                 #print "Piece cannot move"
 953                                                 target.deselect()
 954                                                 if isinstance(graphics, GraphicsThread):
 955                                                         with graphics.lock:
 956                                                                 graphics.state["moves"] = None
 957                                                                 graphics.state["select"] = None
 958                                                                 graphics.state["dest"] = None
 959                                                 continue
 960
 961                                         try:
 962                                                 [x2,y2] = p.get_move() # Player selects a destination
 963                                         except:
 964                                                 self.stop()
 965
 966                                         if self.stopped():
 967                                                 break
 968
 969                                         result = self.board.update_move(x, y, x2, y2)
 970                                         for p2 in self.players:
 971                                                 p2.update(str(x) + " " + str(y) + " -> " + str(x2) + " " + str(y2)) # Inform players of what happened
 972
 973                                         if isinstance(graphics, GraphicsThread):
 974                                                 with graphics.lock:
 975                                                         graphics.state["moves"] = [[x2,y2]]
 976
 977                                         time.sleep(turn_delay)
 978
 979                                         if isinstance(graphics, GraphicsThread):
 980                                                 with graphics.lock:
 981                                                         graphics.state["select"] = None
 982                                                         graphics.state["dest"] = None
 983                                                         graphics.state["moves"] = None
 984
 985                         # Commented out exception stuff for now, because it makes it impossible to tell if I made an IndentationError somewhere
 986                                 except Exception,e:
 987                                         result = e.message
 988                                         #sys.stderr.write(result + "\n")
 989
 990                                         self.stop()
 991                                         with self.lock:
 992                                                 self.final_result = self.state["turn"].colour + " " + e.message
 993
 994                                 if self.board.king["black"] == None:
 995                                         if self.board.king["white"] == None:
 996                                                 with self.lock:
 997                                                         self.final_result = self.state["turn"].colour + " DRAW"
 998                                         else:
 999                                                 with self.lock:
1000                                                         self.final_result = "white"
1001                                         self.stop()
1002                                 elif self.board.king["white"] == None:
1003                                         with self.lock:
1004                                                 self.final_result = "black"
1005                                         self.stop()
1006
1007
1008                                 if self.stopped():
1009                                         break
1010
1011
1012                 for p2 in self.players:
1013                         p2.quit(self.final_result)
1014
1015                 graphics.stop()
1016
1017
1018
1019
1020 def opponent(colour):
1021         if colour == "white":
1022                 return "black"
1023         else:
1024                 return "white"
1025 # --- game.py --- #
1026 # +++ graphics.py +++ #
1027 import pygame
1028
1029 # Dictionary that stores the unicode character representations of the different pieces
1030 # Chess was clearly the reason why unicode was invented
1031 # For some reason none of the pygame chess implementations I found used them!
1032 piece_char = {"white" : {"king" : u'\u2654',
1033                          "queen" : u'\u2655',
1034                          "rook" : u'\u2656',
1035                          "bishop" : u'\u2657',
1036                          "knight" : u'\u2658',
1037                          "pawn" : u'\u2659',
1038                          "unknown" : '?'},
1039                 "black" : {"king" : u'\u265A',
1040                          "queen" : u'\u265B',
1041                          "rook" : u'\u265C',
1042                          "bishop" : u'\u265D',
1043                          "knight" : u'\u265E',
1044                          "pawn" : u'\u265F',
1045                          "unknown" : '?'}}
1046
1047 images = {"white" : {}, "black" : {}}
1048 small_images = {"white" : {}, "black" : {}}
1049
1050 # A thread to make things pretty
1051 class GraphicsThread(StoppableThread):
1052         def __init__(self, board, title = "UCC::Progcomp 2013 - QChess", grid_sz = [80,80]):
1053                 StoppableThread.__init__(self)
1054
1055                 self.board = board
1056                 pygame.init()
1057                 self.window = pygame.display.set_mode((grid_sz[0] * w, grid_sz[1] * h))
1058                 pygame.display.set_caption(title)
1059                 self.grid_sz = grid_sz[:]
1060                 self.state = {"select" : None, "dest" : None, "moves" : None, "overlay" : None, "coverage" : None}
1061                 self.error = 0
1062                 self.lock = threading.RLock()
1063                 self.cond = threading.Condition()
1064
1065                 # Get the font sizes
1066                 l_size = 5*(self.grid_sz[0] / 8)
1067                 s_size = 3*(self.grid_sz[0] / 8)
1068                 for p in piece_types.keys():
1069                         c = "black"
1070                         images[c].update({p : pygame.font.Font("data/DejaVuSans.ttf", l_size).render(piece_char[c][p], True,(0,0,0))})
1071                         small_images[c].update({p : pygame.font.Font("data/DejaVuSans.ttf", s_size).render(piece_char[c][p],True,(0,0,0))})
1072                         c = "white"
1073
1074                         images[c].update({p : pygame.font.Font("data/DejaVuSans.ttf", l_size+1).render(piece_char["black"][p], True,(255,255,255))})
1075                         images[c][p].blit(pygame.font.Font("data/DejaVuSans.ttf", l_size).render(piece_char[c][p], True,(0,0,0)),(0,0))
1076                         small_images[c].update({p : pygame.font.Font("data/DejaVuSans.ttf", s_size+1).render(piece_char["black"][p],True,(255,255,255))})
1077                         small_images[c][p].blit(pygame.font.Font("data/DejaVuSans.ttf", s_size).render(piece_char[c][p],True,(0,0,0)),(0,0))
1078
1079
1080
1081
1082
1083         # On the run from the world
1084         def run(self):
1085
1086                 while not self.stopped():
1087
1088                         self.board.display_grid(window = self.window, grid_sz = self.grid_sz) # Draw the board
1089
1090                         self.overlay()
1091
1092                         self.board.display_pieces(window = self.window, grid_sz = self.grid_sz) # Draw the board
1093
1094                         pygame.display.flip()
1095
1096                         for event in pygame.event.get():
1097                                 if event.type == pygame.QUIT:
1098                                         if isinstance(game, GameThread):
1099                                                 with game.lock:
1100                                                         game.final_result = ""
1101                                                         if game.state["turn"] != None:
1102                                                                 game.final_result = game.state["turn"].colour + " "
1103                                                         game.final_result += "terminated"
1104                                                 game.stop()
1105                                         self.stop()
1106                                         break
1107                                 elif event.type == pygame.MOUSEBUTTONDOWN:
1108                                         self.mouse_down(event)
1109                                 elif event.type == pygame.MOUSEBUTTONUP:
1110                                         self.mouse_up(event)
1111
1112
1113
1114
1115
1116
1117                 self.message("Game ends, result \""+str(game.final_result) + "\"")
1118                 time.sleep(1)
1119
1120                 # Wake up anyone who is sleeping
1121                 self.cond.acquire()
1122                 self.cond.notify()
1123                 self.cond.release()
1124
1125                 pygame.quit() # Time to say goodbye
1126
1127         # Mouse release event handler
1128         def mouse_up(self, event):
1129                 if event.button == 3:
1130                         with self.lock:
1131                                 self.state["overlay"] = None
1132                 elif event.button == 2:
1133                         with self.lock:
1134                                 self.state["coverage"] = None
1135
1136         # Mouse click event handler
1137         def mouse_down(self, event):
1138                 if event.button == 1:
1139                         m = [event.pos[i] / self.grid_sz[i] for i in range(2)]
1140                         if isinstance(game, GameThread):
1141                                 with game.lock:
1142                                         p = game.state["turn"]
1143                         else:
1144                                         p = None
1145
1146
1147                         if isinstance(p, HumanPlayer):
1148                                 with self.lock:
1149                                         s = self.board.grid[m[0]][m[1]]
1150                                         select = self.state["select"]
1151                                 if select == None:
1152                                         if s != None and s.colour != p.colour:
1153                                                 self.message("Wrong colour") # Look at all this user friendliness!
1154                                                 time.sleep(1)
1155                                                 return
1156                                         # Notify human player of move
1157                                         self.cond.acquire()
1158                                         with self.lock:
1159                                                 self.state["select"] = s
1160                                                 self.state["dest"] = None
1161                                         self.cond.notify()
1162                                         self.cond.release()
1163                                         return
1164
1165                                 if select == None:
1166                                         return
1167
1168
1169                                 if self.state["moves"] == None:
1170                                         return
1171
1172                                 if not m in self.state["moves"]:
1173                                         self.message("Illegal Move") # I still think last year's mouse interface was adequate
1174                                         time.sleep(2)
1175                                         return
1176
1177                                 with self.lock:
1178                                         if self.state["dest"] == None:
1179                                                 self.cond.acquire()
1180                                                 self.state["dest"] = m
1181                                                 self.state["select"] = None
1182                                                 self.state["moves"] = None
1183                                                 self.cond.notify()
1184                                                 self.cond.release()
1185                 elif event.button == 3:
1186                         m = [event.pos[i] / self.grid_sz[i] for i in range(len(event.pos))]
1187                         if isinstance(game, GameThread):
1188                                 with game.lock:
1189                                         p = game.state["turn"]
1190                         else:
1191                                 p = None
1192
1193
1194                         if isinstance(p, HumanPlayer):
1195                                 with self.lock:
1196                                         self.state["overlay"] = self.board.probability_grid(self.board.grid[m[0]][m[1]])
1197
1198                 elif event.button == 2:
1199                         m = [event.pos[i] / self.grid_sz[i] for i in range(len(event.pos))]
1200                         if isinstance(game, GameThread):
1201                                 with game.lock:
1202                                         p = game.state["turn"]
1203                         else:
1204                                 p = None
1205
1206
1207                         if isinstance(p, HumanPlayer):
1208                                 with self.lock:
1209                                         self.state["coverage"] = self.board.coverage(m[0], m[1], None, self.state["select"])
1210
1211         # Draw the overlay
1212         def overlay(self):
1213
1214                 square_img = pygame.Surface((self.grid_sz[0], self.grid_sz[1]),pygame.SRCALPHA) # A square image
1215                 # Draw square over the selected piece
1216                 with self.lock:
1217                         select = self.state["select"]
1218                 if select != None:
1219                         mp = [self.grid_sz[i] * [select.x, select.y][i] for i in range(len(self.grid_sz))]
1220                         square_img.fill(pygame.Color(0,255,0,64))
1221                         self.window.blit(square_img, mp)
1222                 # If a piece is selected, draw all reachable squares
1223                 # (This quality user interface has been patented)
1224                 with self.lock:
1225                         m = self.state["moves"]
1226                 if m != None:
1227                         square_img.fill(pygame.Color(255,0,0,128)) # Draw them in blood red
1228                         for move in m:
1229                                 mp = [self.grid_sz[i] * move[i] for i in range(2)]
1230                                 self.window.blit(square_img, mp)
1231                 # If a piece is overlayed, show all squares that it has a probability to reach
1232                 with self.lock:
1233                         m = self.state["overlay"]
1234                 if m != None:
1235                         for x in range(w):
1236                                 for y in range(h):
1237                                         if m[x][y] > 0.0:
1238                                                 mp = [self.grid_sz[i] * [x,y][i] for i in range(2)]
1239                                                 square_img.fill(pygame.Color(255,0,255,int(m[x][y] * 128))) # Draw in purple
1240                                                 self.window.blit(square_img, mp)
1241                                                 font = pygame.font.Font(None, 14)
1242                                                 text = font.render("{0:.2f}".format(round(m[x][y],2)), 1, pygame.Color(0,0,0))
1243                                                 self.window.blit(text, mp)
1244
1245                 # If a square is selected, highlight all pieces that have a probability to reach it
1246                 with self.lock:
1247                         m = self.state["coverage"]
1248                 if m != None:
1249                         for p in m:
1250                                 mp = [self.grid_sz[i] * [p.x,p.y][i] for i in range(2)]
1251                                 square_img.fill(pygame.Color(0,255,255, int(m[p] * 196))) # Draw in pale blue
1252                                 self.window.blit(square_img, mp)
1253                                 font = pygame.font.Font(None, 14)
1254                                 text = font.render("{0:.2f}".format(round(m[p],2)), 1, pygame.Color(0,0,0))
1255                                 self.window.blit(text, mp)
1256                         # Draw a square where the mouse is
1257                 # This also serves to indicate who's turn it is
1258
1259                 if isinstance(game, GameThread):
1260                         with game.lock:
1261                                 turn = game.state["turn"]
1262                 else:
1263                         turn = None
1264
1265                 if isinstance(turn, HumanPlayer):
1266                         mp = [self.grid_sz[i] * int(pygame.mouse.get_pos()[i] / self.grid_sz[i]) for i in range(2)]
1267                         square_img.fill(pygame.Color(0,0,255,128))
1268                         if turn.colour == "white":
1269                                 c = pygame.Color(255,255,255)
1270                         else:
1271                                 c = pygame.Color(0,0,0)
1272                         pygame.draw.rect(square_img, c, (0,0,self.grid_sz[0], self.grid_sz[1]), self.grid_sz[0]/10)
1273                         self.window.blit(square_img, mp)
1274
1275         # Message in a bottle
1276         def message(self, string, pos = None, colour = None, font_size = 32):
1277                 font = pygame.font.Font(None, font_size)
1278                 if colour == None:
1279                         colour = pygame.Color(0,0,0)
1280
1281                 text = font.render(string, 1, colour)
1282
1283
1284                 s = pygame.Surface((text.get_width(), text.get_height()), pygame.SRCALPHA)
1285                 s.fill(pygame.Color(128,128,128))
1286
1287                 tmp = self.window.get_size()
1288
1289                 if pos == None:
1290                         pos = (tmp[0] / 2 - text.get_width() / 2, tmp[1] / 3 - text.get_height())
1291                 else:
1292                         pos = (pos[0]*text.get_width() + tmp[0] / 2 - text.get_width() / 2, pos[1]*text.get_height() + tmp[1] / 3 - text.get_height())
1293
1294
1295                 rect = (pos[0], pos[1], text.get_width(), text.get_height())
1296
1297                 pygame.draw.rect(self.window, pygame.Color(0,0,0), pygame.Rect(rect), 1)
1298                 self.window.blit(s, pos)
1299                 self.window.blit(text, pos)
1300
1301                 pygame.display.flip()
1302
1303         def getstr(self, prompt = None):
1304                 s = pygame.Surface((self.window.get_width(), self.window.get_height()))
1305                 s.blit(self.window, (0,0))
1306                 result = ""
1307
1308                 while True:
1309                         #print "LOOP"
1310                         if prompt != None:
1311                                 self.message(prompt)
1312                                 self.message(result, pos = (0, 1))
1313
1314                         pygame.event.pump()
1315                         for event in pygame.event.get():
1316                                 if event.type == pygame.QUIT:
1317                                         return None
1318                                 if event.type == pygame.KEYDOWN:
1319                                         if event.key == pygame.K_BACKSPACE:
1320                                                 result = result[0:len(result)-1]
1321                                                 self.window.blit(s, (0,0)) # Revert the display
1322                                                 continue
1323
1324
1325                                         try:
1326                                                 if event.unicode == '\r':
1327                                                         return result
1328
1329                                                 result += str(event.unicode)
1330                                         except:
1331                                                 continue
1332
1333
1334         # Function to pick a button
1335         def SelectButton(self, choices, prompt = None, font_size=32):
1336                 self.board.display_grid(self.window, self.grid_sz)
1337                 if prompt != None:
1338                         self.message(prompt)
1339                 font = pygame.font.Font(None, font_size)
1340                 targets = []
1341                 sz = self.window.get_size()
1342
1343
1344                 for i in range(len(choices)):
1345                         c = choices[i]
1346
1347                         text = font.render(c, 1, pygame.Color(0,0,0))
1348                         p = (sz[0] / 2 - (1.5*text.get_width())/2, sz[1] / 2 +(i-1)*text.get_height()+(i*2))
1349                         targets.append((p[0], p[1], p[0] + 1.5*text.get_width(), p[1] + text.get_height()))
1350
1351                 while True:
1352                         mp =pygame.mouse.get_pos()
1353                         for i in range(len(choices)):
1354                                 c = choices[i]
1355                                 if mp[0] > targets[i][0] and mp[0] < targets[i][2] and mp[1] > targets[i][1] and mp[1] < targets[i][3]:
1356                                         font_colour = pygame.Color(255,0,0)
1357                                         box_colour = pygame.Color(0,0,255,128)
1358                                 else:
1359                                         font_colour = pygame.Color(0,0,0)
1360                                         box_colour = pygame.Color(128,128,128)
1361
1362                                 text = font.render(c, 1, font_colour)
1363                                 s = pygame.Surface((text.get_width()*1.5, text.get_height()), pygame.SRCALPHA)
1364                                 s.fill(box_colour)
1365                                 pygame.draw.rect(s, (0,0,0), (0,0,1.5*text.get_width(), text.get_height()), self.grid_sz[0]/10)
1366                                 s.blit(text, ((text.get_width()*1.5)/2 - text.get_width()/2 ,0))
1367                                 self.window.blit(s, targets[i][0:2])
1368
1369
1370                         pygame.display.flip()
1371
1372                         for event in pygame.event.get():
1373                                 if event.type == pygame.QUIT:
1374                                         return None
1375                                 elif event.type == pygame.MOUSEBUTTONDOWN and event.button == 1:
1376                                         for i in range(len(targets)):
1377                                                 t = targets[i]
1378                                                 if event.pos[0] > t[0] and event.pos[0] < t[2]:
1379                                                         if event.pos[1] > t[1] and event.pos[1] < t[3]:
1380                                                                 return i
1381                                                 #print "Reject " + str(i) + str(event.pos) + " vs " + str(t)
1382
1383
1384         # Function to pick players in a nice GUI way
1385         def SelectPlayers(self, players = []):
1386
1387
1388
1389                 missing = ["white", "black"]
1390                 for p in players:
1391                         missing.remove(p.colour)
1392
1393                 for colour in missing:
1394
1395
1396                         choice = self.SelectButton(["human", "agent", "network"],prompt = "Choose " + str(colour) + " player", font_size=32)
1397                         if choice == 0:
1398                                 players.append(HumanPlayer("human", colour))
1399                         elif choice == 1:
1400                                 try:
1401                                         import Tkinter
1402                                         from tkFileDialog import askopenfilename
1403                                         root = Tkinter.Tk() # Need a root to make Tkinter behave
1404                                         root.withdraw() # Some sort of magic incantation
1405                                         path = askopenfilename(parent=root, initialdir="../agents",title=
1406 'Choose an agent.')
1407                                         if path == "":
1408                                                 return self.SelectPlayers()
1409                                         players.append(make_player(path, colour))
1410                                 except Exception,e:
1411                                         print "Exception was " + str(e.message)
1412                                         p = None
1413                                         while p == None:
1414                                                 self.board.display_grid(self.window, self.grid_sz)
1415                                                 pygame.display.flip()
1416                                                 path = self.getstr(prompt = "Enter path:")
1417                                                 if path == None:
1418                                                         return None
1419
1420                                                 if path == "":
1421                                                         return self.SelectPlayers()
1422
1423                                                 try:
1424                                                         p = make_player(path, colour)
1425                                                 except:
1426                                                         self.board.display_grid(self.window, self.grid_sz)
1427                                                         pygame.display.flip()
1428                                                         self.message("Invalid path!")
1429                                                         time.sleep(1)
1430                                                         p = None
1431                                         players.append(p)
1432                         elif choice == 2:
1433                                 address = ""
1434                                 while address == "":
1435                                         self.board.display_grid(self.window, self.grid_sz)
1436
1437                                         address = self.getstr(prompt = "Address? (leave blank for server)")
1438                                         if address == None:
1439                                                 return None
1440                                         if address == "":
1441                                                 address = None
1442                                                 continue
1443                                         try:
1444                                                 map(int, address.split("."))
1445                                         except:
1446                                                 self.board.display_grid(self.window, self.grid_sz)
1447                                                 self.message("Invalid IPv4 address!")
1448                                                 address = ""
1449
1450                                 players.append(NetworkReceiver(colour, address))
1451                         else:
1452                                 return None
1453                 #print str(self) + ".SelectPlayers returns " + str(players)
1454                 return players
1455
1456
1457
1458 # --- graphics.py --- #
1459 # +++ main.py +++ #
1460 #!/usr/bin/python -u
1461
1462 # Do you know what the -u does? It unbuffers stdin and stdout
1463 # I can't remember why, but last year things broke without that
1464
1465 """
1466         UCC::Progcomp 2013 Quantum Chess game
1467         @author Sam Moore [SZM] "matches"
1468         @copyright The University Computer Club, Incorporated
1469                 (ie: You can copy it for not for profit purposes)
1470 """
1471
1472 # system python modules or whatever they are called
1473 import sys
1474 import os
1475 import time
1476
1477 turn_delay = 0.5
1478 [game, graphics] = [None, None]
1479
1480 def make_player(name, colour):
1481         if name[0] == '@':
1482                 if name[1:] == "human":
1483                         return HumanPlayer(name, colour)
1484                 s = name[1:].split(":")
1485                 if s[0] == "network":
1486                         address = None
1487                         if len(s) > 1:
1488                                 address = s[1]
1489                         return NetworkReceiver(colour, address)
1490
1491         else:
1492                 return AgentPlayer(name, colour)
1493
1494
1495
1496 # The main function! It does the main stuff!
1497 def main(argv):
1498
1499         # Apparently python will silently treat things as local unless you do this
1500         # Anyone who says "You should never use a global variable" can die in a fire
1501         global game
1502         global graphics
1503
1504         global turn_delay
1505         global agent_timeout
1506         global log_file
1507         global src_file
1508
1509
1510
1511
1512         style = "quantum"
1513         colour = "white"
1514         graphics_enabled = True
1515
1516         players = []
1517         i = 0
1518         while i < len(argv)-1:
1519                 i += 1
1520                 arg = argv[i]
1521                 if arg[0] != '-':
1522                         players.append(make_player(arg, colour))
1523                         if colour == "white":
1524                                 colour = "black"
1525                         elif colour == "black":
1526                                 pass
1527                         else:
1528                                 sys.stderr.write(sys.argv[0] + " : Too many players (max 2)\n")
1529                         continue
1530
1531                 # Option parsing goes here
1532                 if arg[1] == '-' and arg[2:] == "classical":
1533                         style = "classical"
1534                 elif arg[1] == '-' and arg[2:] == "quantum":
1535                         style = "quantum"
1536                 elif (arg[1] == '-' and arg[2:] == "graphics"):
1537                         graphics_enabled = not graphics_enabled
1538                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "file"):
1539                         # Load game from file
1540                         if len(arg[2:].split("=")) == 1:
1541                                 src_file = sys.stdout
1542                         else:
1543                                 src_file = arg[2:].split("=")[1]
1544                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "log"):
1545                         # Log file
1546                         if len(arg[2:].split("=")) == 1:
1547                                 log_file = sys.stdout
1548                         else:
1549                                 log_file = arg[2:].split("=")[1]
1550                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "delay"):
1551                         # Delay
1552                         if len(arg[2:].split("=")) == 1:
1553                                 turn_delay = 0
1554                         else:
1555                                 turn_delay = float(arg[2:].split("=")[1])
1556
1557                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "timeout"):
1558                         # Timeout
1559                         if len(arg[2:].split("=")) == 1:
1560                                 agent_timeout = -1
1561                         elif platform.system() != "Windows": # Windows breaks this option
1562                                 agent_timeout = float(arg[2:].split("=")[1])
1563                         else:
1564                                 sys.stderr.write(sys.argv[0] + " : Warning - You are using Windows\n")
1565                                 agent_timeout = -1
1566
1567                 elif (arg[1] == '-' and arg[2:] == "help"):
1568                         # Help
1569                         os.system("less data/help.txt") # The best help function
1570                         return 0
1571
1572
1573         # Create the board
1574         board = Board(style)
1575
1576
1577         # Initialise GUI
1578         if graphics_enabled == True:
1579                 try:
1580                         graphics = GraphicsThread(board, grid_sz = [64,64]) # Construct a GraphicsThread!
1581                 except Exception,e:
1582                         graphics = None
1583                         sys.stderr.write(sys.argv[0] + " : Got exception trying to initialise graphics\n"+str(e.message)+"\nDisabled graphics\n")
1584                         graphics_enabled = False
1585
1586         # If there are no players listed, display a nice pretty menu
1587         if len(players) != 2:
1588                 if graphics != None:
1589                         players = graphics.SelectPlayers(players)
1590                 else:
1591                         sys.stderr.write(sys.argv[0] + " : Usage " + sys.argv[0] + " white black\n")
1592                         return 44
1593
1594         # If there are still no players, quit
1595         if players == None or len(players) != 2:
1596                 sys.stderr.write(sys.argv[0] + " : Graphics window closed before players chosen\n")
1597                 return 45
1598
1599
1600         # Wrap NetworkSender players around original players if necessary
1601         for i in range(len(players)):
1602                 if isinstance(players[i], NetworkReceiver):
1603                         players[i].board = board # Network players need direct access to the board
1604                         for j in range(len(players)):
1605                                 if j == i:
1606                                         continue
1607                                 if isinstance(players[j], NetworkSender) or isinstance(players[j], NetworkReceiver):
1608                                         continue
1609                                 players[j] = NetworkSender(players[j], players[i].address)
1610                                 players[j].board = board
1611
1612         # Connect the networked players
1613         for p in players:
1614                 if isinstance(p, NetworkSender) or isinstance(p, NetworkReceiver):
1615                         if graphics != None:
1616                                 graphics.board.display_grid(graphics.window, graphics.grid_sz)
1617                                 graphics.message("Connecting to " + p.colour + " player...")
1618                         p.connect()
1619
1620
1621         # Construct a GameThread! Make it global! Damn the consequences!
1622         game = GameThread(board, players)
1623
1624
1625
1626         if graphics != None:
1627                 game.start() # This runs in a new thread
1628                 graphics.run()
1629                 game.join()
1630                 return game.error + graphics.error
1631         else:
1632                 game.run()
1633                 return game.error
1634
1635 # This is how python does a main() function...
1636 if __name__ == "__main__":
1637         sys.exit(main(sys.argv))
1638 # --- main.py --- #
1639 # EOF - created from make on Thu Jan 24 17:04:54 WST 2013