qchess/src/graphics.py

   1 graphics_enabled = True
   2
   3 try:
   4         import pygame
   5         os.environ["SDL_VIDEO_ALLOW_SCREENSAVER"] = "1"
   6 except:
   7         graphics_enabled = False
   8
   9 import time
  10
  11
  12
  13 # A thread to make things pretty
  14 class GraphicsThread(StoppableThread):
  15         def __init__(self, board, title = "UCC::Progcomp 2013 - QChess", grid_sz = [80,80]):
  16                 StoppableThread.__init__(self)
  17
  18                 self.board = board
  19                 pygame.init()
  20                 self.window = pygame.display.set_mode((grid_sz[0] * w, grid_sz[1] * h))
  21                 pygame.display.set_caption(title)
  22
  23                 #print "Initialised properly"
  24
  25                 self.grid_sz = grid_sz[:]
  26                 self.state = {"select" : None, "dest" : None, "moves" : None, "overlay" : None, "coverage" : None}
  27                 self.error = 0
  28                 self.lock = threading.RLock()
  29                 self.cond = threading.Condition()
  30                 self.sleep_timeout = None
  31                 self.last_event = time.time()
  32
  33                 #print "Test font"
  34                 pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), 32).render("Hello", True,(0,0,0))
  35
  36                 #load_images()
  37                 create_images(grid_sz)
  38
  39                 """
  40                 for c in images.keys():
  41                         for p in images[c].keys():
  42                                 images[c][p] = images[c][p].convert(self.window)
  43                                 small_images[c][p] = small_images[c][p].convert(self.window)
  44                 """
  45
  46
  47
  48
  49
  50         # On the run from the world
  51         def run(self):
  52
  53                 while not self.stopped():
  54
  55                         if self.sleep_timeout == None or (time.time() - self.last_event) < self.sleep_timeout:
  56
  57                                 #print "Display grid"
  58                                 self.board.display_grid(window = self.window, grid_sz = self.grid_sz) # Draw the board
  59
  60                                 #print "Display overlay"
  61                                 self.overlay()
  62
  63                                 #print "Display pieces"
  64                                 self.board.display_pieces(window = self.window, grid_sz = self.grid_sz) # Draw the board
  65
  66                         else:
  67                                 self.window.fill((0,0,0))
  68
  69                         pygame.display.flip()
  70
  71                         for event in pygame.event.get():
  72                                 self.last_event = time.time()
  73                                 if event.type == pygame.QUIT or (event.type == pygame.KEYDOWN and event.key == pygame.K_q):
  74                                         if isinstance(game, GameThread):
  75                                                 with game.lock:
  76                                                         game.final_result = ""
  77                                                         if game.state["turn"] != None:
  78                                                                 game.final_result = game.state["turn"].colour + " "
  79                                                         game.final_result += "terminated"
  80                                                 game.stop()
  81                                         self.stop()
  82                                         break
  83                                 elif event.type == pygame.MOUSEBUTTONDOWN:
  84                                         self.mouse_down(event)
  85
  86                                 elif event.type == pygame.MOUSEBUTTONUP:
  87                                         self.mouse_up(event)
  88
  89
  90
  91
  92
  93
  94
  95
  96                 self.message("Game ends, result \""+str(game.final_result) + "\"")
  97                 time.sleep(1)
  98
  99                 # Wake up anyone who is sleeping
 100                 self.cond.acquire()
 101                 self.cond.notify()
 102                 self.cond.release()
 103
 104                 pygame.quit() # Time to say goodbye
 105
 106         # Mouse release event handler
 107         def mouse_up(self, event):
 108                 if event.button == 3:
 109                         with self.lock:
 110                                 self.state["overlay"] = None
 111                 elif event.button == 2:
 112                         with self.lock:
 113                                 self.state["coverage"] = None
 114
 115         # Mouse click event handler
 116         def mouse_down(self, event):
 117                 if event.button == 1:
 118                         m = [event.pos[i] / self.grid_sz[i] for i in range(2)]
 119                         if isinstance(game, GameThread):
 120                                 with game.lock:
 121                                         p = game.state["turn"]
 122                         else:
 123                                         p = None
 124
 125
 126                         if isinstance(p, HumanPlayer):
 127                                 with self.lock:
 128                                         s = self.board.grid[m[0]][m[1]]
 129                                         select = self.state["select"]
 130                                 if select == None:
 131                                         if s != None and s.colour != p.colour:
 132                                                 self.message("Wrong colour") # Look at all this user friendliness!
 133                                                 time.sleep(1)
 134                                                 return
 135                                         # Notify human player of move
 136                                         self.cond.acquire()
 137                                         with self.lock:
 138                                                 self.state["select"] = s
 139                                                 self.state["dest"] = None
 140                                         self.cond.notify()
 141                                         self.cond.release()
 142                                         return
 143
 144                                 if select == None:
 145                                         return
 146
 147
 148                                 if self.state["moves"] == None:
 149                                         return
 150
 151                                 if not m in self.state["moves"]:
 152                                         self.message("Illegal Move") # I still think last year's mouse interface was adequate
 153                                         time.sleep(2)
 154                                         return
 155
 156                                 with self.lock:
 157                                         if self.state["dest"] == None:
 158                                                 self.cond.acquire()
 159                                                 self.state["dest"] = m
 160                                                 self.state["select"] = None
 161                                                 self.state["moves"] = None
 162                                                 self.cond.notify()
 163                                                 self.cond.release()
 164                 elif event.button == 3:
 165                         m = [event.pos[i] / self.grid_sz[i] for i in range(len(event.pos))]
 166                         if isinstance(game, GameThread):
 167                                 with game.lock:
 168                                         p = game.state["turn"]
 169                         else:
 170                                 p = None
 171
 172
 173                         if isinstance(p, HumanPlayer):
 174                                 with self.lock:
 175                                         self.state["overlay"] = self.board.probability_grid(self.board.grid[m[0]][m[1]])
 176
 177                 elif event.button == 2:
 178                         m = [event.pos[i] / self.grid_sz[i] for i in range(len(event.pos))]
 179                         if isinstance(game, GameThread):
 180                                 with game.lock:
 181                                         p = game.state["turn"]
 182                         else:
 183                                 p = None
 184
 185
 186                         if isinstance(p, HumanPlayer):
 187                                 with self.lock:
 188                                         self.state["coverage"] = self.board.coverage(m[0], m[1], None, self.state["select"])
 189
 190         # Draw the overlay
 191         def overlay(self):
 192
 193                 square_img = pygame.Surface((self.grid_sz[0], self.grid_sz[1]),pygame.SRCALPHA) # A square image
 194                 # Draw square over the selected piece
 195                 with self.lock:
 196                         select = self.state["select"]
 197                 if select != None:
 198                         mp = [self.grid_sz[i] * [select.x, select.y][i] for i in range(len(self.grid_sz))]
 199                         square_img.fill(pygame.Color(0,255,0,64))
 200                         self.window.blit(square_img, mp)
 201                 # If a piece is selected, draw all reachable squares
 202                 # (This quality user interface has been patented)
 203                 with self.lock:
 204                         m = self.state["moves"]
 205                 if m != None:
 206                         square_img.fill(pygame.Color(255,0,0,128)) # Draw them in blood red
 207                         for move in m:
 208                                 mp = [self.grid_sz[i] * move[i] for i in range(2)]
 209                                 self.window.blit(square_img, mp)
 210                 # If a piece is overlayed, show all squares that it has a probability to reach
 211                 with self.lock:
 212                         m = self.state["overlay"]
 213                 if m != None:
 214                         for x in range(w):
 215                                 for y in range(h):
 216                                         if m[x][y] > 0.0:
 217                                                 mp = [self.grid_sz[i] * [x,y][i] for i in range(2)]
 218                                                 square_img.fill(pygame.Color(255,0,255,int(m[x][y] * 128))) # Draw in purple
 219                                                 self.window.blit(square_img, mp)
 220                                                 font = pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), 14)
 221                                                 text = font.render("{0:.2f}".format(round(m[x][y],2)), 1, pygame.Color(0,0,0))
 222                                                 self.window.blit(text, mp)
 223
 224                 # If a square is selected, highlight all pieces that have a probability to reach it
 225                 with self.lock:
 226                         m = self.state["coverage"]
 227                 if m != None:
 228                         for p in m:
 229                                 mp = [self.grid_sz[i] * [p.x,p.y][i] for i in range(2)]
 230                                 square_img.fill(pygame.Color(0,255,255, int(m[p] * 196))) # Draw in pale blue
 231                                 self.window.blit(square_img, mp)
 232                                 font = pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), 14)
 233                                 text = font.render("{0:.2f}".format(round(m[p],2)), 1, pygame.Color(0,0,0))
 234                                 self.window.blit(text, mp)
 235                         # Draw a square where the mouse is
 236                 # This also serves to indicate who's turn it is
 237
 238                 if isinstance(game, GameThread):
 239                         with game.lock:
 240                                 turn = game.state["turn"]
 241                 else:
 242                         turn = None
 243
 244                 if isinstance(turn, HumanPlayer):
 245                         mp = [self.grid_sz[i] * int(pygame.mouse.get_pos()[i] / self.grid_sz[i]) for i in range(2)]
 246                         square_img.fill(pygame.Color(0,0,255,128))
 247                         if turn.colour == "white":
 248                                 c = pygame.Color(255,255,255)
 249                         else:
 250                                 c = pygame.Color(0,0,0)
 251                         pygame.draw.rect(square_img, c, (0,0,self.grid_sz[0], self.grid_sz[1]), self.grid_sz[0]/10)
 252                         self.window.blit(square_img, mp)
 253
 254         # Message in a bottle
 255         def message(self, string, pos = None, colour = None, font_size = 20):
 256                 #print "Drawing message..."
 257                 font = pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), font_size)
 258                 if colour == None:
 259                         colour = pygame.Color(0,0,0)
 260
 261                 text = font.render(string, 1, colour)
 262
 263
 264                 s = pygame.Surface((text.get_width(), text.get_height()), pygame.SRCALPHA)
 265                 s.fill(pygame.Color(128,128,128))
 266
 267                 tmp = self.window.get_size()
 268
 269                 if pos == None:
 270                         pos = (tmp[0] / 2 - text.get_width() / 2, tmp[1] / 3 - text.get_height())
 271                 else:
 272                         pos = (pos[0]*text.get_width() + tmp[0] / 2 - text.get_width() / 2, pos[1]*text.get_height() + tmp[1] / 3 - text.get_height())
 273
 274
 275                 rect = (pos[0], pos[1], text.get_width(), text.get_height())
 276
 277                 pygame.draw.rect(self.window, pygame.Color(0,0,0), pygame.Rect(rect), 1)
 278                 self.window.blit(s, pos)
 279                 self.window.blit(text, pos)
 280
 281                 pygame.display.flip()
 282
 283         def getstr(self, prompt = None):
 284                 s = pygame.Surface((self.window.get_width(), self.window.get_height()))
 285                 s.blit(self.window, (0,0))
 286                 result = ""
 287
 288                 while True:
 289                         #print "LOOP"
 290                         if prompt != None:
 291                                 self.message(prompt)
 292                                 self.message(result, pos = (0, 1))
 293
 294                         pygame.event.pump()
 295                         for event in pygame.event.get():
 296                                 if event.type == pygame.QUIT:
 297                                         return None
 298                                 if event.type == pygame.KEYDOWN:
 299                                         if event.key == pygame.K_BACKSPACE:
 300                                                 result = result[0:len(result)-1]
 301                                                 self.window.blit(s, (0,0)) # Revert the display
 302                                                 continue
 303
 304
 305                                         try:
 306                                                 if event.unicode == '\r':
 307                                                         return result
 308
 309                                                 result += str(event.unicode)
 310                                         except:
 311                                                 continue
 312
 313
 314         # Function to pick a button
 315         def SelectButton(self, choices, prompt = None, font_size=20):
 316
 317                 #print "Select button called!"
 318                 self.board.display_grid(self.window, self.grid_sz)
 319                 if prompt != None:
 320                         self.message(prompt)
 321                 font = pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), font_size)
 322                 targets = []
 323                 sz = self.window.get_size()
 324
 325
 326                 for i in range(len(choices)):
 327                         c = choices[i]
 328
 329                         text = font.render(c, 1, pygame.Color(0,0,0))
 330                         p = (sz[0] / 2 - (1.5*text.get_width())/2, sz[1] / 2 +(i-1)*text.get_height()+(i*2))
 331                         targets.append((p[0], p[1], p[0] + 1.5*text.get_width(), p[1] + text.get_height()))
 332
 333                 while True:
 334                         mp =pygame.mouse.get_pos()
 335                         for i in range(len(choices)):
 336                                 c = choices[i]
 337                                 if mp[0] > targets[i][0] and mp[0] < targets[i][2] and mp[1] > targets[i][1] and mp[1] < targets[i][3]:
 338                                         font_colour = pygame.Color(255,0,0)
 339                                         box_colour = pygame.Color(0,0,255,128)
 340                                 else:
 341                                         font_colour = pygame.Color(0,0,0)
 342                                         box_colour = pygame.Color(128,128,128)
 343
 344                                 text = font.render(c, 1, font_colour)
 345                                 s = pygame.Surface((text.get_width()*1.5, text.get_height()), pygame.SRCALPHA)
 346                                 s.fill(box_colour)
 347                                 pygame.draw.rect(s, (0,0,0), (0,0,1.5*text.get_width(), text.get_height()), self.grid_sz[0]/10)
 348                                 s.blit(text, ((text.get_width()*1.5)/2 - text.get_width()/2 ,0))
 349                                 self.window.blit(s, targets[i][0:2])
 350
 351
 352                         pygame.display.flip()
 353
 354                         for event in pygame.event.get():
 355                                 if event.type == pygame.QUIT:
 356                                         return None
 357                                 elif event.type == pygame.MOUSEBUTTONDOWN and event.button == 1:
 358                                         for i in range(len(targets)):
 359                                                 t = targets[i]
 360                                                 if event.pos[0] > t[0] and event.pos[0] < t[2]:
 361                                                         if event.pos[1] > t[1] and event.pos[1] < t[3]:
 362                                                                 return i
 363                                                 #print "Reject " + str(i) + str(event.pos) + " vs " + str(t)
 364
 365
 366         # Function to pick players in a nice GUI way
 367         def SelectPlayers(self, players = []):
 368
 369
 370                 #print "SelectPlayers called"
 371
 372                 missing = ["white", "black"]
 373                 for p in players:
 374                         missing.remove(p.colour)
 375
 376                 for colour in missing:
 377
 378
 379                         choice = self.SelectButton(["human", "agent", "network"],prompt = "Choose " + str(colour) + " player")
 380                         if choice == 0:
 381                                 players.append(HumanPlayer("human", colour))
 382                         elif choice == 1:
 383                                 import inspect
 384                                 internal_agents = inspect.getmembers(sys.modules[__name__], inspect.isclass)
 385                                 internal_agents = [x for x in internal_agents if issubclass(x[1], InternalAgent)]
 386                                 internal_agents.remove(('InternalAgent', InternalAgent))
 387                                 if len(internal_agents) > 0:
 388                                         choice2 = self.SelectButton(["internal", "external"], prompt="Type of agent")
 389                                 else:
 390                                         choice2 = 1
 391
 392                                 if choice2 == 0:
 393                                         agent = internal_agents[self.SelectButton(map(lambda e : e[0], internal_agents), prompt="Choose internal agent")]
 394                                         players.append(agent[1](agent[0], colour))
 395                                 elif choice2 == 1:
 396                                         try:
 397                                                 import Tkinter
 398                                                 from tkFileDialog import askopenfilename
 399                                                 root = Tkinter.Tk() # Need a root to make Tkinter behave
 400                                                 root.withdraw() # Some sort of magic incantation
 401                                                 path = askopenfilename(parent=root, initialdir="../agents",title=
 402 'Choose an agent.')
 403                                                 if path == "":
 404                                                         return self.SelectPlayers()
 405                                                 players.append(make_player(path, colour))
 406                                         except:
 407
 408                                                 p = None
 409                                                 while p == None:
 410                                                         self.board.display_grid(self.window, self.grid_sz)
 411                                                         pygame.display.flip()
 412                                                         path = self.getstr(prompt = "Enter path:")
 413                                                         if path == None:
 414                                                                 return None
 415
 416                                                         if path == "":
 417                                                                 return self.SelectPlayers()
 418
 419                                                         try:
 420                                                                 p = make_player(path, colour)
 421                                                         except:
 422                                                                 self.board.display_grid(self.window, self.grid_sz)
 423                                                                 pygame.display.flip()
 424                                                                 self.message("Invalid path!")
 425                                                                 time.sleep(1)
 426                                                                 p = None
 427                                                 players.append(p)
 428                         elif choice == 2:
 429                                 address = ""
 430                                 while address == "":
 431                                         self.board.display_grid(self.window, self.grid_sz)
 432
 433                                         address = self.getstr(prompt = "Address? (leave blank for server)")
 434                                         if address == None:
 435                                                 return None
 436                                         if address == "":
 437                                                 address = None
 438                                                 continue
 439                                         try:
 440                                                 map(int, address.split("."))
 441                                         except:
 442                                                 self.board.display_grid(self.window, self.grid_sz)
 443                                                 self.message("Invalid IPv4 address!")
 444                                                 address = ""
 445
 446                                 players.append(NetworkReceiver(colour, address))
 447                         else:
 448                                 return None
 449                 #print str(self) + ".SelectPlayers returns " + str(players)
 450                 return players
 451
 452
 453