maingame.py

   1 import pygame
   2 import sys
   3 import random
   4 import os.path
   5 import cPickle
   6
   7 import level
   8 import butaba
   9 import utility
  10 import gameobjects
  11 import constants
  12 import npcs
  13 import gamestate
  14
  15 class MainGame:
  16
  17         # initialize the game
  18         def __init__ (self):
  19                 pygame.init ()
  20                 self.screen  = pygame.display.set_mode ((720, 512))
  21                 pygame.display.set_caption ("The Adventures of Butaba")
  22
  23                 # initalize background graphics
  24                 self.img_tileset = pygame.image.load (os.path.join ("background", "tileset.png")).convert ()
  25
  26                 self.img_menu = pygame.image.load (os.path.join ("background", "menu_screen.png")).convert ()
  27
  28                 self.img_inventory = pygame.image.load (os.path.join ("background", "inventory.png")).convert ()
  29
  30                 self.img_chestbg = pygame.image.load (os.path.join ("background", "chestcontent.png")).convert ()
  31
  32                 self.img_dialogue = pygame.image.load (os.path.join ("background", "dialog_screen.png")).convert ()
  33                 self.img_dialogue.set_colorkey (pygame.Color (0, 255, 0))
  34
  35
  36                 # initialize object graphics
  37                 self.img_redpotion = pygame.image.load (os.path.join ("objects", "red-potion.png")).convert ()
  38                 self.img_redpotion.set_colorkey (pygame.Color (0, 255, 0))
  39                 self.img_goldcoins = pygame.image.load (os.path.join ("objects", "gold-coins.png")).convert ()
  40                 self.img_goldcoins.set_colorkey (pygame.Color (0, 255, 0))
  41                 self.img_wand = pygame.image.load (os.path.join ("objects", "wand.png")).convert ()
  42                 self.img_wand.set_colorkey (pygame.Color (0, 255, 0))
  43                 self.img_bulb = pygame.image.load (os.path.join ("objects", "bulb.png")).convert ()
  44                 self.img_bulb.set_colorkey (pygame.Color (0, 255, 0))
  45                 self.img_lightning = pygame.image.load (os.path.join ("objects", "lightning.png")).convert ()
  46                 self.img_lightning.set_colorkey (pygame.Color (0, 255, 0))
  47                 self.img_key = pygame.image.load (os.path.join ("objects", "key.png")).convert ()
  48                 self.img_key.set_colorkey (pygame.Color (0, 255, 0))
  49                 self.img_key2 = pygame.image.load (os.path.join ("objects", "key2.png")).convert ()
  50                 self.img_key2.set_colorkey (pygame.Color (0, 255, 0))
  51                 self.img_chest = pygame.image.load (os.path.join ("objects", "chest.png")).convert ()
  52                 self.img_chest.set_colorkey (pygame.Color (0, 255, 0))
  53
  54                 # initialize player graphics
  55                 self.img_butabafront = pygame.image.load (os.path.join ("sprite", "butaba-front.png")).convert ()
  56                 self.img_butabafront.set_colorkey (pygame.Color (0, 255, 0))
  57                 self.img_butababack = pygame.image.load (os.path.join ("sprite", "butaba-back.png")).convert ()
  58                 self.img_butababack.set_colorkey (pygame.Color (0, 255, 0))
  59                 self.img_butabaleft = pygame.image.load (os.path.join ("sprite", "butaba-left.png")).convert ()
  60                 self.img_butabaleft.set_colorkey (pygame.Color (0, 255, 0))
  61                 self.img_butabaright = pygame.image.load (os.path.join ("sprite", "butaba-right.png")).convert ()
  62                 self.img_butabaright.set_colorkey (pygame.Color (0, 255, 0))
  63
  64                 # initialize NPC graphics
  65                 self.img_bulisa = pygame.image.load (os.path.join ("sprite", "bulisa.png")).convert ()
  66                 self.img_bulisa.set_colorkey (pygame.Color (0, 255, 0))
  67
  68                 # initialize portraits
  69                 self.img_butaba_portrait = pygame.image.load (os.path.join ("portraits", "butaba.png")).convert ()
  70                 self.img_bulisa_portrait = pygame.image.load (os.path.join ("portraits", "bulisa.png")).convert ()
  71
  72                 # set level data
  73                 self.setup_levels ()
  74                 # set current level and position of our character
  75                 self.currentlevel = self.level1
  76
  77                 # set the status message
  78                 self.status_message = "Game started"
  79
  80                 self.butaba = butaba.Butaba (5,0, butaba.Butaba.RIGHT)
  81
  82         # set up the levels and their interactions
  83         def setup_levels (self):
  84                 # set up the objects first
  85                 chest1 = gameobjects.Chest (2, 6, "chest", self.img_chest, constants.KEY_CHEST1, True)
  86                 chest2 = gameobjects.Chest (6, 6, "chest", self.img_chest, constants.KEY_CHEST2, True)
  87                 key1 = gameobjects.Key (5, 3, "a chest key", self.img_key2, constants.KEY_CHEST1)
  88                 key2 =  gameobjects.Key (5, 3, "a chest key", self.img_key, constants.KEY_CHEST2)
  89                 potion = gameobjects.HealthPotion (5, 2, self.img_redpotion)
  90                 gold50 = gameobjects.GoldCoins (6, 2, self.img_goldcoins, 50)
  91                 gold25 = gameobjects.GoldCoins (6, 2, self.img_goldcoins, 25)
  92                 gold10 = gameobjects.GoldCoins (6, 2, self.img_goldcoins, 10)
  93                 potion2 = gameobjects.HealthPotion (5, 2, self.img_redpotion)
  94                 potion3 = gameobjects.HealthPotion (5, 2, self.img_redpotion)
  95
  96                 npc_bulisa = npcs.Bulisa (4, 3, self.img_bulisa, self.img_bulisa_portrait,
  97                                                                                 [ os.path.join ("dialogues", "bulisa1.dlg"),
  98                                                                                   os.path.join ("dialogues", "bulisa2.dlg"),
  99                                                                                   os.path.join ("dialogues", "bulisa3.dlg") ] )
 100
 101                 chest1.objects = [ gold50, gold25, potion2, potion3, key2, gold10 ]
 102
 103                 # create the levels
 104                 self.level1 = level.Level (cPickle.load (file ("levels/level1.dat")),
 105                                 objects = [ chest1 ] )
 106
 107                 self.level1w = level.Level (cPickle.load (file ("levels/level1w.dat")))
 108
 109                 self.level1e = level.Level (cPickle.load (file ("levels/level1e.dat")),
 110                                 objects = [ key1, potion, chest2 ], npcs = [ npc_bulisa ])
 111
 112                 # set up the interaction between levels
 113                 self.level1.levelright = self.level1e
 114                 self.level1.levelleft = self.level1w
 115                 self.level1e.levelleft = self.level1
 116                 self.level1w.levelright = self.level1
 117
 118         def main_loop (self):
 119                 # main game loop
 120                 while 1:
 121                         # clear screen
 122                         self.screen.fill (pygame.Color (0,0,0))
 123                         # draw the level
 124                         self.draw_level_background (self.currentlevel)
 125                         # draw level objects
 126                         self.draw_level_objects (self.currentlevel)
 127                         # draw the NPCs in the level
 128                         self.draw_level_npcs (self.currentlevel)
 129                         # draw our character
 130                         self.draw_butaba ()
 131                         # display the character's inventory
 132                         self.draw_inventory ()
 133                         # draw the status info
 134                         self.draw_status ()
 135                         # update the display
 136                         pygame.display.update ()
 137
 138                         # get keyboard events
 139                         for event in pygame.event.get ():
 140                                 if event.type == pygame.QUIT:
 141                                         sys.exit (0)
 142                                 # if keyboard event
 143                                 if event.type == pygame.KEYDOWN:
 144                                         if event.key == pygame.K_UP:
 145                                                 self.move_butaba_up ()
 146                                         elif event.key == pygame.K_DOWN:
 147                                                 self.move_butaba_down ()
 148                                         elif event.key == pygame.K_LEFT:
 149                                                 self.move_butaba_left ()
 150                                         elif event.key == pygame.K_RIGHT:
 151                                                 self.move_butaba_right ()
 152                                         # drinking health potion in inventory
 153                                         elif event.key == ord ("h") or event.key == ord ("H"):
 154                                                 self.inventory_drink_health_potion ()
 155                                         # quit the game
 156                                         elif event.key == ord ("q") or event.key == ord ("Q"):
 157                                                 sys.exit (0)
 158
 159         # drink a health potion if it is in the player's inventory
 160         def inventory_drink_health_potion (self):
 161                 # look for a health potion
 162                 for item in self.butaba.objects:
 163                         if isinstance (item, gameobjects.HealthPotion) is True:
 164                                 self.use_object (self.butaba, item)
 165                                 break
 166
 167         def move_butaba_up (self):
 168                 # clear any status messages
 169                 self.status_message = None
 170                 # first if butaba is not facing up, make him face up
 171                 if self.butaba.position <> butaba.Butaba.BACK:
 172                         self.butaba.position = butaba.Butaba.BACK
 173                         return
 174
 175                 # if butaba is trying to move off the top of the screen
 176                 if self.butaba.row <= 0:
 177                         # if there is a level above set current level to that one
 178                         if self.currentlevel.leveltop is not None:
 179                                 lastrow = len (self.currentlevel.leveltop.background) - 1
 180                                 # interact with objects
 181                                 if self.level_interact (self.currentlevel.leveltop, lastrow, self.butaba.col) is False:
 182                                         return
 183
 184                                 # make sure there is no obstacle
 185                                 if self.check_background_obstacle (self.currentlevel.leveltop, lastrow, self.butaba.col) is False:
 186                                         self.currentlevel = self.currentlevel.leveltop
 187                                         self.butaba.row = lastrow
 188                 # normal upward movement
 189                 else:
 190                         # if there is any object in that place interact with it
 191                         # if any object is a blocking object then avoid movement
 192                         if self.level_interact (self.currentlevel, self.butaba.row-1, self.butaba.col) is False:
 193                                 return
 194
 195                         if self.check_background_obstacle (self.currentlevel, self.butaba.row-1, self.butaba.col) is False:
 196                                 self.butaba.row -= 1
 197
 198         def move_butaba_down (self):
 199                 # clear any status messages
 200                 self.status_message = None
 201                 # first if butaba is not facing forward, make him face forward/down
 202                 if self.butaba.position <> butaba.Butaba.FRONT:
 203                         self.butaba.position = butaba.Butaba.FRONT
 204                         return
 205
 206                 # if butaba is trying to move off the bottom of the screen
 207                 if self.butaba.row >= len (self.currentlevel.background)-1:
 208                         # if there is a level below set current level to that one
 209                         if self.currentlevel.levelbottom is not None:
 210                                 # interact with objects if any
 211                                 # if any object is a blocking object then avoid movement
 212                                 if self.level_interact (self.currentlevel.levelbottom, 0, self.butaba.col) is False:
 213                                         return
 214                                 # make sure there is no obstacle at that position
 215                                 if self.check_background_obstacle (self.currentlevel.levelbottom, 0, self.butaba.col) is False:
 216                                         self.currentlevel = self.currentlevel.levelbottom
 217                                         self.butaba.row = 0
 218                 # normal downward movement
 219                 else:
 220                         # interact with objects if any
 221                         # if any object is a blocking object then avoid movement
 222                         if self.level_interact (self.currentlevel, self.butaba.row+1, self.butaba.col) is False:
 223                                 return
 224                         if self.check_background_obstacle (self.currentlevel, self.butaba.row+1, self.butaba.col) is False:
 225                                 self.butaba.row += 1
 226
 227         # check if a background tile is an obstacle
 228         def check_background_obstacle (self, level, row, col):
 229                 if (level.background[row][col][2] == 1):
 230                         return True
 231                 else:
 232                         return False
 233
 234         # get and interact with objects and characters if present in a particular row/col
 235         def level_interact (self, level, row, col):
 236                 objs = []
 237                 # get list of objects at current location
 238                 for obj in level.objects:
 239                         if obj.row == row and obj.col == col:
 240                                 objs.append (obj)
 241
 242                 notblock = self.interact_objects (level, objs)
 243
 244                 # get npc at current location
 245                 current_npc = None
 246                 for npc in level.npcs:
 247                         if npc.row == row and npc.col == col:
 248                                 current_npc = npc
 249                                 break
 250
 251                 # npcs always block the tile. So return false if there is an NPC
 252                 # at the location
 253                 if current_npc is not None:
 254                         self.interact_npc (current_npc)
 255                         return False
 256
 257                 return notblock
 258
 259         # interaction with npcs
 260         def interact_npc (self, npc):
 261                 # interact with NPC and get the response ID
 262                 # if the NPC is Bulisa
 263                 if isinstance (npc, npcs.Bulisa):
 264                         self.interact_npc_bulisa (npc)
 265
 266         # interact with NPC Bulisa
 267         def interact_npc_bulisa (self, npc):
 268                 # set initial response ID to none
 269                 resp_id = None
 270                 print (gamestate.mission_bulisa_water_from_well, gamestate.mission_bulisa_water_from_well_complete)
 271                 # not yet started mission drawing water from well and not refused it
 272                 if (gamestate.mission_bulisa_water_from_well is False
 273                         and gamestate.mission_bulisa_water_from_well_refused is False):
 274                         # set the current dialogue
 275                         npc.currentdialog = 0
 276                         # get the response ID
 277                         resp_id = utility.dialogue_play (self.screen, self.img_dialogue, npc, self.img_butaba_portrait, 0, 90)
 278                 if (gamestate.mission_bulisa_water_from_well_refused is True and
 279                                 gamestate.mission_bulisa_water_from_well is False):
 280                         # set the current dialog
 281                         npc.currentdialog = 2
 282                         resp_id = utility.dialogue_play (self.screen, self.img_dialogue, npc, self.img_butaba_portrait, 0, 90)
 283                 # mission accepted but not completed
 284                 elif (gamestate.mission_bulisa_water_from_well is True
 285                         and gamestate.mission_bulisa_water_from_well_complete is False):
 286                         npc.currentdialog = 1
 287                         # get the response ID
 288                         resp_id = utility.dialogue_play (self.screen, self.img_dialogue, npc, self.img_butaba_portrait, 0, 90)
 289
 290                 print resp_id
 291                 # if response ID is 12, then drawing water from well mission is refused
 292                 if resp_id == "12" or resp_id == "18":
 293                         gamestate.mission_bulisa_water_from_well_refused = True
 294                 # if response ID is 13: that is accepted the drawing water from well mission begins
 295                 if resp_id == "13" or resp_id == "17":
 296                         gamestate.mission_bulisa_water_from_well = True
 297                 # if response ID is none
 298                 elif resp_id is None:
 299                         self.status_message = "You cannot initiate a conversation with %s" % npc.charname
 300
 301         # interaction with objects
 302         def interact_objects (self, container, objs):
 303                 # overall flag for blocking/non-blocking objects
 304                 notblock = True
 305
 306                 # now perform interaction
 307                 for obj in objs:
 308                         # run the object interact function
 309                         if obj.interact () is False:
 310                                 notblock = False
 311                         # if object can be picked up ask
 312                         if obj.can_pickup is True:
 313                                 ans = utility.ask_question (self.screen, "Found %s." % obj.text, ["Pick up", obj.use_str, "Ignore"], self.img_menu)
 314                                 # if the answer is "pick up"
 315                                 if ans == 1:
 316                                         self.pickup_object (container, obj)
 317                                 elif ans == 2:
 318                                         # use the object according to its type
 319                                         self.use_object (container, obj)
 320                         # if it cannot be picked up, try to use it anyway
 321                         else:
 322                                 ans = utility.ask_question (self.screen, "Found %s." % obj.text, [obj.use_str, "Ignore"], self.img_menu)
 323                                 if ans == 1:
 324                                         self.use_object (container, obj)
 325
 326                 return notblock
 327
 328         # transfer an object from one container to another
 329         # container must have an objects list
 330         def transfer_object (self, source, obj, dest):
 331                 # remove object from source
 332                 source.objects.remove (obj)
 333                 # add object to destination
 334                 dest.objects.append (obj)
 335
 336         # picking up an object
 337         def pickup_object (self, container, obj):
 338                 # only if object can be picked up, pick it up or use it
 339                 if obj.can_pickup is True:
 340                         # check if the inventory is full
 341                         if len (self.butaba.objects) >= butaba.Butaba.MAXITEMS:
 342                                 self.status_message = "Cannot pick up item. Inventory full"
 343                         else:
 344                                 # add item to inventory
 345                                 self.transfer_object (container, obj, self.butaba)
 346
 347                                 self.status_message = "You picked up %s" % obj.text
 348
 349         # this method uses the object first by calling the object use () method
 350         # and then performing specific actions as necessary
 351         def use_object (self, container, obj):
 352                 # if the object is a health potion
 353                 if isinstance (obj, gameobjects.HealthPotion) is True:
 354                         if self.butaba.health < butaba.Butaba.MAXHEALTH:
 355                                 obj.use (self.butaba)
 356                                 container.objects.remove (obj)
 357                                 self.status_message = "You gained health"
 358                         else:
 359                                 self.status_message = "You already have maximum health!"
 360                 # if the object is a chest
 361                 elif isinstance (obj, gameobjects.Chest) is True:
 362                         # if chest is locked, try to open it
 363                         if obj.locked is True:
 364                                 # try opening the chest with every item 9the use () function
 365                                 # of the chest determines if item is a key anyway
 366                                 fittedkey = None
 367                                 for invobj in self.butaba.objects:
 368                                         fittedkey = obj.use (invobj)
 369                                         # if a key fits
 370                                         if fittedkey is not None:
 371                                                 break
 372                                 # if no key found
 373                                 if fittedkey is None:
 374                                         self.status_message = "No key found to open %s" % obj.text
 375                                 # chest successfully unlocked
 376                                 else:
 377                                         self.status_message = "You unlocked the %s" % obj.text
 378                                         # remove the key from Butaba
 379                                         self.butaba.objects.remove (fittedkey)
 380                                         # add an experience point for unlocking chest subject
 381                                         # to a limit of KNOWLEDGEMAX_CHEST_UNLOCK
 382                                         if self.butaba.experience < constants.KNOWLEDGEMAX_CHEST_UNLOCK:
 383                                                 self.butaba.experience += 1
 384                                                 self.status_message += " and gained experience!"
 385                         # display the contents of the chest
 386                         else:
 387                                 item = utility.get_container_object (self.screen, obj, self.img_chestbg, 30)
 388                                 if item is not None:
 389                                         self.interact_objects (obj, [ item, ])
 390
 391                 # if the object is gold coins
 392                 elif isinstance (obj, gameobjects.GoldCoins) is True:
 393                         obj.use (self.butaba)
 394                         self.status_message = "You picked up %d gold." % obj.value
 395                         # remove the gold coins after adding it to Butaba's gold
 396                         container.objects.remove (obj)
 397
 398         def move_butaba_left (self):
 399                 # clear any status messages
 400                 self.status_message = None
 401
 402                 # first if Butaba is not facing left, make him face left
 403                 if self.butaba.position <> butaba.Butaba.LEFT:
 404                         self.butaba.position = butaba.Butaba.LEFT
 405                         return
 406
 407                 # if butaba is trying to move off the left edge
 408                 if self.butaba.col <= 0:
 409                         # if there is a level to the right set current level to that one
 410                         if self.currentlevel.levelleft is not None:
 411                                 # get the last column of the previous level
 412                                 lastcol = len (self.currentlevel.levelleft.background[0]) - 1
 413                                 # interact with objects if any
 414                                 # if any object is a blocking object then avoid movement
 415                                 if self.level_interact (self.currentlevel.levelleft, self.butaba.row, lastcol) is False:
 416                                         return
 417                                 # make sure there is no obstacle at that position of movement
 418                                 if self.check_background_obstacle (self.currentlevel.levelleft, self.butaba.row, lastcol) is False:
 419                                         self.currentlevel = self.currentlevel.levelleft
 420                                         self.butaba.col = lastcol
 421                 # normal left movement
 422                 else:
 423                         # interact with objects if any
 424                         # if any object is a blocking object then avoid movement
 425                         if self.level_interact (self.currentlevel, self.butaba.row, self.butaba.col-1) is False:
 426                                 return
 427                         if self.check_background_obstacle (self.currentlevel, self.butaba.row, self.butaba.col-1) is False:
 428                                 self.butaba.col -= 1
 429
 430         def move_butaba_right (self):
 431                 # clear any status messages
 432                 self.status_message = None
 433
 434                 # First if Butaba is not facing right make him face right
 435                 if self.butaba.position <> butaba.Butaba.RIGHT:
 436                         self.butaba.position = butaba.Butaba.RIGHT
 437                         return
 438
 439                 # if butaba is trying to move off the right edge
 440                 if self.butaba.col >= len (self.currentlevel.background[0])-1:
 441                         # if there is a level to the right swap current level with that one
 442                         if self.currentlevel.levelright is not None:
 443                                 # interact with objects if any
 444                                 # if any object is a blocking object then avoid movement
 445                                 if self.level_interact (self.currentlevel.levelright, self.butaba.row, 0) is False:
 446                                         return
 447
 448                                 # make sure there is no obstacle at that position of movement
 449                                 # get the last column of the previous level
 450                                 if self.check_background_obstacle (self.currentlevel.levelright, self.butaba.row, 0) is False:
 451                                         self.currentlevel = self.currentlevel.levelright
 452                                         self.butaba.col = 0
 453                 # normal right movement
 454                 else:
 455                         # interact with objects if any
 456                         # if any object is a blocking object then avoid moving
 457                         if self.level_interact (self.currentlevel, self.butaba.row, self.butaba.col + 1) is False:
 458                                 return
 459                         if self.check_background_obstacle (self.currentlevel, self.butaba.row, self.butaba.col + 1) is False:
 460                                 self.butaba.col += 1
 461
 462         def draw_butaba (self):
 463                 if self.butaba.position == butaba.Butaba.FRONT:
 464                         self.screen.blit (self.img_butabafront, (self.butaba.col*48, self.butaba.row*48))
 465                 elif self.butaba.position == butaba.Butaba.BACK:
 466                         self.screen.blit (self.img_butababack, (self.butaba.col*48, self.butaba.row*48))
 467                 elif self.butaba.position == butaba.Butaba.LEFT:
 468                         self.screen.blit (self.img_butabaleft, (self.butaba.col*48, self.butaba.row*48))
 469                 elif self.butaba.position == butaba.Butaba.RIGHT:
 470                         self.screen.blit (self.img_butabaright, (self.butaba.col*48, self.butaba.row*48))
 471
 472
 473         # Draw the status infodisplay
 474         def draw_status (self):
 475                 self.screen.blit (self.img_redpotion, (485, 10))
 476                 utility.put_text (self.screen, 550, 25, 20, (255, 0, 0), "%d" % self.butaba.health)
 477
 478                 self.screen.blit (self.img_lightning, (620, 10))
 479                 utility.put_text (self.screen, 660, 25, 20, (255,255,255), "%d" % self.butaba.strength)
 480
 481                 self.screen.blit (self.img_wand, (485, 65))
 482                 utility.put_text (self.screen, 550, 75, 20, (0, 0, 255), "%d" % self.butaba.magic)
 483
 484                 self.screen.blit (self.img_bulb, (620, 65))
 485                 utility.put_text (self.screen, 660, 75, 20, (0, 255, 0), "%d" % self.butaba.experience)
 486
 487                 self.screen.blit (self.img_goldcoins, (485, 110))
 488                 utility.put_text (self.screen, 550, 130, 20, (255, 255, 0), "%d" % self.butaba.gold)
 489
 490                 if self.status_message is not None:
 491                         utility.put_text (self.screen, 10, 485, 10, (255,255, 0), "%s" % self.status_message)
 492
 493         # display the inventory of the player
 494         def draw_inventory (self):
 495                 # draw the inventory slots
 496                 r = 1
 497                 c = 1
 498                 utility.put_text (self.screen, 490, 170, 16, (255,255 , 0), "Inventory")
 499                 for i in range (butaba.Butaba.MAXITEMS):
 500                         self.screen.blit (self.img_inventory, (440+c*54, 150+r*54))
 501                         if c % 4 == 0:
 502                                 r += 1
 503                                 c = 1
 504                         else:
 505                                 c += 1
 506
 507                 r = 1
 508                 c = 1
 509                 for obj in self.butaba.objects:
 510                         self.screen.blit (obj.image, (440+c*54+2, 150+r*54+2))
 511                         if c % 4 == 0:
 512                                 r += 1
 513                                 c = 1
 514                         else:
 515                                 c += 1
 516
 517         # Draw the level background tiles on surface
 518         def draw_level_background (self, level):
 519                 i = 0
 520                 for row in level.background:
 521                         j = 0
 522                         for tilerow, tilecol, is_solid in row:
 523                                 tilex = tilecol * 48
 524                                 tiley = tilerow * 48
 525                                 self.screen.blit (self.img_tileset, (j*48, i*48), pygame.Rect (tilex, tiley, 48, 48))
 526
 527                                 j += 1
 528                         i += 1
 529
 530         # Draw the level objects
 531         def draw_level_objects (self, level):
 532                 for obj in level.objects:
 533                         if obj.image is not None:
 534                                 self.screen.blit (obj.image, (obj.col*48, obj.row*48))
 535
 536
 537         # Draw the NPCs in the level
 538         def draw_level_npcs (self, level):
 539                 for npc in level.npcs:
 540                         if npc.image is not None:
 541                                 self.screen.blit (npc.image, (npc.col*48, npc.row*48))