qchess/src/graphics.py

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