qchess/src/graphics.py

   1 graphics_enabled = True
   2 try:
   3         import pygame
   4 except:
   5         graphics_enabled = False
   6
   7 import time
   8
   9
  10
  11 # A thread to make things pretty
  12 class GraphicsThread(StoppableThread):
  13         def __init__(self, board, title = "UCC::Progcomp 2013 - QChess", grid_sz = [80,80]):
  14                 StoppableThread.__init__(self)
  15
  16                 self.board = board
  17                 pygame.init()
  18                 self.window = pygame.display.set_mode((grid_sz[0] * w, grid_sz[1] * h))
  19                 pygame.display.set_caption(title)
  20
  21                 #print "Initialised properly"
  22
  23                 self.grid_sz = grid_sz[:]
  24                 self.state = {"select" : None, "dest" : None, "moves" : None, "overlay" : None, "coverage" : None}
  25                 self.error = 0
  26                 self.lock = threading.RLock()
  27                 self.cond = threading.Condition()
  28                 self.sleep_timeout = None
  29                 self.last_event = time.time()
  30
  31                 #print "Test font"
  32                 pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), 32).render("Hello", True,(0,0,0))
  33
  34                 #load_images()
  35                 create_images(grid_sz)
  36
  37                 """
  38                 for c in images.keys():
  39                         for p in images[c].keys():
  40                                 images[c][p] = images[c][p].convert(self.window)
  41                                 small_images[c][p] = small_images[c][p].convert(self.window)
  42                 """
  43
  44
  45
  46
  47
  48         # On the run from the world
  49         def run(self):
  50
  51                 while not self.stopped():
  52
  53                         if self.sleep_timeout == None or (time.time() - self.last_event) < self.sleep_timeout:
  54
  55                                 #print "Display grid"
  56                                 self.board.display_grid(window = self.window, grid_sz = self.grid_sz) # Draw the board
  57
  58                                 #print "Display overlay"
  59                                 self.overlay()
  60
  61                                 #print "Display pieces"
  62                                 self.board.display_pieces(window = self.window, grid_sz = self.grid_sz) # Draw the board
  63
  64                         else:
  65                                 self.window.fill((0,0,0))
  66
  67                         pygame.display.flip()
  68
  69                         for event in pygame.event.get():
  70                                 self.last_event = time.time()
  71                                 if event.type == pygame.QUIT or (event.type == pygame.KEYDOWN and event.key == pygame.K_q):
  72                                         if isinstance(game, GameThread):
  73                                                 with game.lock:
  74                                                         game.final_result = ""
  75                                                         if game.state["turn"] != None:
  76                                                                 game.final_result = game.state["turn"].colour + " "
  77                                                         game.final_result += "terminated"
  78                                                 game.stop()
  79                                         self.stop()
  80                                         break
  81                                 elif event.type == pygame.MOUSEBUTTONDOWN:
  82                                         self.mouse_down(event)
  83
  84                                 elif event.type == pygame.MOUSEBUTTONUP:
  85                                         self.mouse_up(event)
  86
  87
  88
  89
  90
  91
  92
  93
  94                 self.message("Game ends, result \""+str(game.final_result) + "\"")
  95                 time.sleep(1)
  96
  97                 # Wake up anyone who is sleeping
  98                 self.cond.acquire()
  99                 self.cond.notify()
 100                 self.cond.release()
 101
 102                 pygame.quit() # Time to say goodbye
 103
 104         # Mouse release event handler
 105         def mouse_up(self, event):
 106                 if event.button == 3:
 107                         with self.lock:
 108                                 self.state["overlay"] = None
 109                 elif event.button == 2:
 110                         with self.lock:
 111                                 self.state["coverage"] = None
 112
 113         # Mouse click event handler
 114         def mouse_down(self, event):
 115                 if event.button == 1:
 116                         m = [event.pos[i] / self.grid_sz[i] for i in range(2)]
 117                         if isinstance(game, GameThread):
 118                                 with game.lock:
 119                                         p = game.state["turn"]
 120                         else:
 121                                         p = None
 122
 123
 124                         if isinstance(p, HumanPlayer):
 125                                 with self.lock:
 126                                         s = self.board.grid[m[0]][m[1]]
 127                                         select = self.state["select"]
 128                                 if select == None:
 129                                         if s != None and s.colour != p.colour:
 130                                                 self.message("Wrong colour") # Look at all this user friendliness!
 131                                                 time.sleep(1)
 132                                                 return
 133                                         # Notify human player of move
 134                                         self.cond.acquire()
 135                                         with self.lock:
 136                                                 self.state["select"] = s
 137                                                 self.state["dest"] = None
 138                                         self.cond.notify()
 139                                         self.cond.release()
 140                                         return
 141
 142                                 if select == None:
 143                                         return
 144
 145
 146                                 if self.state["moves"] == None:
 147                                         return
 148
 149                                 if not m in self.state["moves"]:
 150                                         self.message("Illegal Move") # I still think last year's mouse interface was adequate
 151                                         time.sleep(2)
 152                                         return
 153
 154                                 with self.lock:
 155                                         if self.state["dest"] == None:
 156                                                 self.cond.acquire()
 157                                                 self.state["dest"] = m
 158                                                 self.state["select"] = None
 159                                                 self.state["moves"] = None
 160                                                 self.cond.notify()
 161                                                 self.cond.release()
 162                 elif event.button == 3:
 163                         m = [event.pos[i] / self.grid_sz[i] for i in range(len(event.pos))]
 164                         if isinstance(game, GameThread):
 165                                 with game.lock:
 166                                         p = game.state["turn"]
 167                         else:
 168                                 p = None
 169
 170
 171                         if isinstance(p, HumanPlayer):
 172                                 with self.lock:
 173                                         self.state["overlay"] = self.board.probability_grid(self.board.grid[m[0]][m[1]])
 174
 175                 elif event.button == 2:
 176                         m = [event.pos[i] / self.grid_sz[i] for i in range(len(event.pos))]
 177                         if isinstance(game, GameThread):
 178                                 with game.lock:
 179                                         p = game.state["turn"]
 180                         else:
 181                                 p = None
 182
 183
 184                         if isinstance(p, HumanPlayer):
 185                                 with self.lock:
 186                                         self.state["coverage"] = self.board.coverage(m[0], m[1], None, self.state["select"])
 187
 188         # Draw the overlay
 189         def overlay(self):
 190
 191                 square_img = pygame.Surface((self.grid_sz[0], self.grid_sz[1]),pygame.SRCALPHA) # A square image
 192                 # Draw square over the selected piece
 193                 with self.lock:
 194                         select = self.state["select"]
 195                 if select != None:
 196                         mp = [self.grid_sz[i] * [select.x, select.y][i] for i in range(len(self.grid_sz))]
 197                         square_img.fill(pygame.Color(0,255,0,64))
 198                         self.window.blit(square_img, mp)
 199                 # If a piece is selected, draw all reachable squares
 200                 # (This quality user interface has been patented)
 201                 with self.lock:
 202                         m = self.state["moves"]
 203                 if m != None:
 204                         square_img.fill(pygame.Color(255,0,0,128)) # Draw them in blood red
 205                         for move in m:
 206                                 mp = [self.grid_sz[i] * move[i] for i in range(2)]
 207                                 self.window.blit(square_img, mp)
 208                 # If a piece is overlayed, show all squares that it has a probability to reach
 209                 with self.lock:
 210                         m = self.state["overlay"]
 211                 if m != None:
 212                         for x in range(w):
 213                                 for y in range(h):
 214                                         if m[x][y] > 0.0:
 215                                                 mp = [self.grid_sz[i] * [x,y][i] for i in range(2)]
 216                                                 square_img.fill(pygame.Color(255,0,255,int(m[x][y] * 128))) # Draw in purple
 217                                                 self.window.blit(square_img, mp)
 218                                                 font = pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), 14)
 219                                                 text = font.render("{0:.2f}".format(round(m[x][y],2)), 1, pygame.Color(0,0,0))
 220                                                 self.window.blit(text, mp)
 221
 222                 # If a square is selected, highlight all pieces that have a probability to reach it
 223                 with self.lock:
 224                         m = self.state["coverage"]
 225                 if m != None:
 226                         for p in m:
 227                                 mp = [self.grid_sz[i] * [p.x,p.y][i] for i in range(2)]
 228                                 square_img.fill(pygame.Color(0,255,255, int(m[p] * 196))) # Draw in pale blue
 229                                 self.window.blit(square_img, mp)
 230                                 font = pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), 14)
 231                                 text = font.render("{0:.2f}".format(round(m[p],2)), 1, pygame.Color(0,0,0))
 232                                 self.window.blit(text, mp)
 233                         # Draw a square where the mouse is
 234                 # This also serves to indicate who's turn it is
 235
 236                 if isinstance(game, GameThread):
 237                         with game.lock:
 238                                 turn = game.state["turn"]
 239                 else:
 240                         turn = None
 241
 242                 if isinstance(turn, HumanPlayer):
 243                         mp = [self.grid_sz[i] * int(pygame.mouse.get_pos()[i] / self.grid_sz[i]) for i in range(2)]
 244                         square_img.fill(pygame.Color(0,0,255,128))
 245                         if turn.colour == "white":
 246                                 c = pygame.Color(255,255,255)
 247                         else:
 248                                 c = pygame.Color(0,0,0)
 249                         pygame.draw.rect(square_img, c, (0,0,self.grid_sz[0], self.grid_sz[1]), self.grid_sz[0]/10)
 250                         self.window.blit(square_img, mp)
 251
 252         # Message in a bottle
 253         def message(self, string, pos = None, colour = None, font_size = 20):
 254                 #print "Drawing message..."
 255                 font = pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), font_size)
 256                 if colour == None:
 257                         colour = pygame.Color(0,0,0)
 258
 259                 text = font.render(string, 1, colour)
 260
 261
 262                 s = pygame.Surface((text.get_width(), text.get_height()), pygame.SRCALPHA)
 263                 s.fill(pygame.Color(128,128,128))
 264
 265                 tmp = self.window.get_size()
 266
 267                 if pos == None:
 268                         pos = (tmp[0] / 2 - text.get_width() / 2, tmp[1] / 3 - text.get_height())
 269                 else:
 270                         pos = (pos[0]*text.get_width() + tmp[0] / 2 - text.get_width() / 2, pos[1]*text.get_height() + tmp[1] / 3 - text.get_height())
 271
 272
 273                 rect = (pos[0], pos[1], text.get_width(), text.get_height())
 274
 275                 pygame.draw.rect(self.window, pygame.Color(0,0,0), pygame.Rect(rect), 1)
 276                 self.window.blit(s, pos)
 277                 self.window.blit(text, pos)
 278
 279                 pygame.display.flip()
 280
 281         def getstr(self, prompt = None):
 282                 s = pygame.Surface((self.window.get_width(), self.window.get_height()))
 283                 s.blit(self.window, (0,0))
 284                 result = ""
 285
 286                 while True:
 287                         #print "LOOP"
 288                         if prompt != None:
 289                                 self.message(prompt)
 290                                 self.message(result, pos = (0, 1))
 291
 292                         pygame.event.pump()
 293                         for event in pygame.event.get():
 294                                 if event.type == pygame.QUIT:
 295                                         return None
 296                                 if event.type == pygame.KEYDOWN:
 297                                         if event.key == pygame.K_BACKSPACE:
 298                                                 result = result[0:len(result)-1]
 299                                                 self.window.blit(s, (0,0)) # Revert the display
 300                                                 continue
 301
 302
 303                                         try:
 304                                                 if event.unicode == '\r':
 305                                                         return result
 306
 307                                                 result += str(event.unicode)
 308                                         except:
 309                                                 continue
 310
 311
 312         # Function to pick a button
 313         def SelectButton(self, choices, prompt = None, font_size=20):
 314
 315                 #print "Select button called!"
 316                 self.board.display_grid(self.window, self.grid_sz)
 317                 if prompt != None:
 318                         self.message(prompt)
 319                 font = pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), font_size)
 320                 targets = []
 321                 sz = self.window.get_size()
 322
 323
 324                 for i in range(len(choices)):
 325                         c = choices[i]
 326
 327                         text = font.render(c, 1, pygame.Color(0,0,0))
 328                         p = (sz[0] / 2 - (1.5*text.get_width())/2, sz[1] / 2 +(i-1)*text.get_height()+(i*2))
 329                         targets.append((p[0], p[1], p[0] + 1.5*text.get_width(), p[1] + text.get_height()))
 330
 331                 while True:
 332                         mp =pygame.mouse.get_pos()
 333                         for i in range(len(choices)):
 334                                 c = choices[i]
 335                                 if mp[0] > targets[i][0] and mp[0] < targets[i][2] and mp[1] > targets[i][1] and mp[1] < targets[i][3]:
 336                                         font_colour = pygame.Color(255,0,0)
 337                                         box_colour = pygame.Color(0,0,255,128)
 338                                 else:
 339                                         font_colour = pygame.Color(0,0,0)
 340                                         box_colour = pygame.Color(128,128,128)
 341
 342                                 text = font.render(c, 1, font_colour)
 343                                 s = pygame.Surface((text.get_width()*1.5, text.get_height()), pygame.SRCALPHA)
 344                                 s.fill(box_colour)
 345                                 pygame.draw.rect(s, (0,0,0), (0,0,1.5*text.get_width(), text.get_height()), self.grid_sz[0]/10)
 346                                 s.blit(text, ((text.get_width()*1.5)/2 - text.get_width()/2 ,0))
 347                                 self.window.blit(s, targets[i][0:2])
 348
 349
 350                         pygame.display.flip()
 351
 352                         for event in pygame.event.get():
 353                                 if event.type == pygame.QUIT:
 354                                         return None
 355                                 elif event.type == pygame.MOUSEBUTTONDOWN and event.button == 1:
 356                                         for i in range(len(targets)):
 357                                                 t = targets[i]
 358                                                 if event.pos[0] > t[0] and event.pos[0] < t[2]:
 359                                                         if event.pos[1] > t[1] and event.pos[1] < t[3]:
 360                                                                 return i
 361                                                 #print "Reject " + str(i) + str(event.pos) + " vs " + str(t)
 362
 363
 364         # Function to pick players in a nice GUI way
 365         def SelectPlayers(self, players = []):
 366
 367
 368                 #print "SelectPlayers called"
 369
 370                 missing = ["white", "black"]
 371                 for p in players:
 372                         missing.remove(p.colour)
 373
 374                 for colour in missing:
 375
 376
 377                         choice = self.SelectButton(["human", "agent", "network"],prompt = "Choose " + str(colour) + " player")
 378                         if choice == 0:
 379                                 players.append(HumanPlayer("human", colour))
 380                         elif choice == 1:
 381                                 import inspect
 382                                 internal_agents = inspect.getmembers(sys.modules[__name__], inspect.isclass)
 383                                 internal_agents = [x for x in internal_agents if issubclass(x[1], InternalAgent)]
 384                                 internal_agents.remove(('InternalAgent', InternalAgent))
 385                                 if len(internal_agents) > 0:
 386                                         choice2 = self.SelectButton(["internal", "external"], prompt="Type of agent")
 387                                 else:
 388                                         choice2 = 1
 389
 390                                 if choice2 == 0:
 391                                         agent = internal_agents[self.SelectButton(map(lambda e : e[0], internal_agents), prompt="Choose internal agent")]
 392                                         players.append(agent[1](agent[0], colour))
 393                                 elif choice2 == 1:
 394                                         try:
 395                                                 import Tkinter
 396                                                 from tkFileDialog import askopenfilename
 397                                                 root = Tkinter.Tk() # Need a root to make Tkinter behave
 398                                                 root.withdraw() # Some sort of magic incantation
 399                                                 path = askopenfilename(parent=root, initialdir="../agents",title=
 400 'Choose an agent.')
 401                                                 if path == "":
 402                                                         return self.SelectPlayers()
 403                                                 players.append(make_player(path, colour))
 404                                         except:
 405
 406                                                 p = None
 407                                                 while p == None:
 408                                                         self.board.display_grid(self.window, self.grid_sz)
 409                                                         pygame.display.flip()
 410                                                         path = self.getstr(prompt = "Enter path:")
 411                                                         if path == None:
 412                                                                 return None
 413
 414                                                         if path == "":
 415                                                                 return self.SelectPlayers()
 416
 417                                                         try:
 418                                                                 p = make_player(path, colour)
 419                                                         except:
 420                                                                 self.board.display_grid(self.window, self.grid_sz)
 421                                                                 pygame.display.flip()
 422                                                                 self.message("Invalid path!")
 423                                                                 time.sleep(1)
 424                                                                 p = None
 425                                                 players.append(p)
 426                         elif choice == 2:
 427                                 address = ""
 428                                 while address == "":
 429                                         self.board.display_grid(self.window, self.grid_sz)
 430
 431                                         address = self.getstr(prompt = "Address? (leave blank for server)")
 432                                         if address == None:
 433                                                 return None
 434                                         if address == "":
 435                                                 address = None
 436                                                 continue
 437                                         try:
 438                                                 map(int, address.split("."))
 439                                         except:
 440                                                 self.board.display_grid(self.window, self.grid_sz)
 441                                                 self.message("Invalid IPv4 address!")
 442                                                 address = ""
 443
 444                                 players.append(NetworkReceiver(colour, address))
 445                         else:
 446                                 return None
 447                 #print str(self) + ".SelectPlayers returns " + str(players)
 448                 return players
 449
 450
 451