class LevelTransition:
"""Displays a level transition"""
TRANSITION_CHANNEL = 4
def __init__(self, screen, score_controller, transition_time=5000):
self.screen = screen
self.score_controller = score_controller
self.sound = SoundManager(['pacman_beginning.wav'],
keys=['transition'],
channel=LevelTransition.TRANSITION_CHANNEL,
volume=0.6)
self.font = pygame.font.SysFont(None, 32)
self.ready_msg = self.font.render('Get Ready!', True,
ScoreBoard.SCORE_WHITE)
self.ready_msg_rect = self.ready_msg.get_rect()
ready_pos = screen.get_width() // 2, int(screen.get_height() * 0.65)
self.ready_msg_rect.centerx, self.ready_msg_rect.centery = ready_pos
self.level_msg = None
self.level_msg_rect = None
self.transition_time = transition_time # total time to wait until the transition ends
self.transition_begin = None
self.transition_show = False
def prep_level_msg(self):
"""Prepare a message for the current level number"""
text = 'level ' + str(self.score_controller.level)
self.level_msg = self.font.render(text, True, ScoreBoard.SCORE_WHITE)
self.level_msg_rect = self.level_msg.get_rect()
level_pos = self.screen.get_width() // 2, self.screen.get_height() // 2
self.level_msg_rect.centerx, self.level_msg_rect.centery = level_pos
def set_show_transition(self):
"""Begin the sequence for displaying the transition"""
self.prep_level_msg()
self.transition_begin = pygame.time.get_ticks()
self.transition_show = True
self.sound.play('transition')
def draw(self):
"""Display the level transition to the screen"""
if abs(self.transition_begin -
pygame.time.get_ticks()) > self.transition_time:
self.transition_show = False
else:
self.screen.fill((0, 0, 0))
self.screen.blit(self.level_msg, self.level_msg_rect)
if abs(self.transition_begin -
pygame.time.get_ticks()) >= self.transition_time // 2:
self.screen.blit(self.ready_msg, self.ready_msg_rect)
def __init__(self, screen, user, maze):
self.screen = screen
self.maze = maze
self.user = user
self.sound_manager = SoundManager(
sound_files=['portal-open.wav', 'portal-travel.wav'],
keys=['open', 'travel'],
channel=PortalController.PORTAL_AUDIO_CHANNEL)
self.blue_portal = pygame.sprite.GroupSingle(
) # portals as GroupSingle, which only allows one per group
self.blue_projectile = None
self.orange_portal = pygame.sprite.GroupSingle()
self.orange_projectile = None
# converter for projectile direction to portal direction
self.portal_directions = {'l': 'r', 'r': 'l', 'u': 'd', 'd': 'u'}
def __init__(self):
pygame.init()
pygame.mixer.music.load('sounds/bg-music.wav')
self.screen = pygame.display.set_mode(
(800, 600)
)
pygame.display.set_caption('PacMan Portal')
self.clock = pygame.time.Clock()
self.score_keeper = ScoreController(screen=self.screen,
sb_pos=((self.screen.get_width() // 5),
(self.screen.get_height() * 0.965)),
items_image='cherry.png',
itc_pos=(int(self.screen.get_width() * 0.6),
self.screen.get_height() * 0.965))
self.maze = Maze(screen=self.screen, maze_map_file='maze_map.txt')
self.life_counter = PacManCounter(screen=self.screen, ct_pos=((self.screen.get_width() // 3),
(self.screen.get_height() * 0.965)),
images_size=(self.maze.block_size, self.maze.block_size))
self.level_transition = LevelTransition(screen=self.screen, score_controller=self.score_keeper)
self.game_over = True
self.pause = False
self.player = PacMan(screen=self.screen, maze=self.maze)
self.ghosts = pygame.sprite.Group()
self.ghost_sound_manager = SoundManager(sound_files=['ghost-blue.wav', 'pacman_eatghost.wav', 'ghost-std.wav'],
keys=['blue', 'eaten', 'std'],
channel=Ghost.GHOST_AUDIO_CHANNEL)
self.ghost_active_interval = 2500
self.ghosts_to_activate = None
self.first_ghost = None
self.other_ghosts = []
self.spawn_ghosts()
self.actions = {PacManPortalGame.START_EVENT: self.init_ghosts,
PacManPortalGame.REBUILD_EVENT: self.rebuild_maze,
PacManPortalGame.LEVEL_TRANSITION_EVENT: self.next_level}
def __init__(self, screen, maze):
super().__init__()
self.screen = screen
self.radius = maze.block_size // 5
self.maze = maze
self.sound_manager = SoundManager(sound_files=['pacman_chomp.wav', 'pacman_eatfruit.wav',
'pacman_death.wav', 'pacman-portal.wav'],
keys=['chomp', 'eatfruit', 'death', 'portal'],
channel=PacMan.PAC_AUDIO_CHANNEL)
self.horizontal_images = ImageManager('pacman-horiz.png', sheet=True, pos_offsets=[(0, 0, 32, 32),
(32, 0, 32, 32),
(0, 32, 32, 32),
(32, 32, 32, 32),
(0, 64, 32, 32)],
resize=(self.maze.block_size, self.maze.block_size),
reversible=True)
self.vertical_images = ImageManager('pacman-vert.png', sheet=True, pos_offsets=[(0, 0, 32, 32),
(32, 0, 32, 32),
(0, 32, 32, 32),
(32, 32, 32, 32),
(0, 64, 32, 32)],
resize=(self.maze.block_size, self.maze.block_size),
reversible=True)
self.death_images = ImageManager('pacman_death.png', sheet=True, pos_offsets=[(0, 0, 32, 32),
(32, 0, 32, 32),
(0, 32, 32, 32),
(32, 32, 32, 32),
(0, 64, 32, 32),
(32, 64, 32, 32)],
resize=(self.maze.block_size, self.maze.block_size),
animation_delay=150, repeat=False)
self.flip_status = {'use_horiz': True, 'h_flip': False, 'v_flip': False}
self.spawn_info = self.maze.player_spawn[1]
self.tile = self.maze.player_spawn[0]
self.direction = None
self.moving = False
self.speed = maze.block_size // 7
self.image, self.rect = self.horizontal_images.get_image()
self.rect.centerx, self.rect.centery = self.spawn_info # screen coordinates for spawn
self.dead = False
self.portal_controller = PortalController(screen, self, maze) # controller object for portal
# Keyboard related events/actions/releases
self.event_map = {pygame.KEYDOWN: self.perform_action, pygame.KEYUP: self.reset_direction}
self.action_map = {pygame.K_UP: self.set_move_up, pygame.K_LEFT: self.set_move_left,
pygame.K_DOWN: self.set_move_down, pygame.K_RIGHT: self.set_move_right,
pygame.K_q: self.blue_portal, pygame.K_w: self.orange_portal}
def __init__(self, screen, score_controller, transition_time=5000):
self.screen = screen
self.score_controller = score_controller
self.sound = SoundManager(['pacman_beginning.wav'],
keys=['transition'],
channel=LevelTransition.TRANSITION_CHANNEL,
volume=0.6)
self.font = pygame.font.SysFont(None, 32)
self.ready_msg = self.font.render('Get Ready!', True,
ScoreBoard.SCORE_WHITE)
self.ready_msg_rect = self.ready_msg.get_rect()
ready_pos = screen.get_width() // 2, int(screen.get_height() * 0.65)
self.ready_msg_rect.centerx, self.ready_msg_rect.centery = ready_pos
self.level_msg = None
self.level_msg_rect = None
self.transition_time = transition_time # total time to wait until the transition ends
self.transition_begin = None
self.transition_show = False
class PacMan(pygame.sprite.Sprite):
"""Represents the player character 'PacMan' and its related logic/control"""
PAC_YELLOW = (255, 255, 0)
PAC_AUDIO_CHANNEL = 0
def __init__(self, screen, maze):
super().__init__()
self.screen = screen
self.radius = maze.block_size // 5
self.maze = maze
self.sound_manager = SoundManager(sound_files=['pacman_chomp.wav', 'pacman_eatfruit.wav',
'pacman_death.wav', 'pacman-portal.wav'],
keys=['chomp', 'eatfruit', 'death', 'portal'],
channel=PacMan.PAC_AUDIO_CHANNEL)
self.horizontal_images = ImageManager('pacman-horiz.png', sheet=True, pos_offsets=[(0, 0, 32, 32),
(32, 0, 32, 32),
(0, 32, 32, 32),
(32, 32, 32, 32),
(0, 64, 32, 32)],
resize=(self.maze.block_size, self.maze.block_size),
reversible=True)
self.vertical_images = ImageManager('pacman-vert.png', sheet=True, pos_offsets=[(0, 0, 32, 32),
(32, 0, 32, 32),
(0, 32, 32, 32),
(32, 32, 32, 32),
(0, 64, 32, 32)],
resize=(self.maze.block_size, self.maze.block_size),
reversible=True)
self.death_images = ImageManager('pacman_death.png', sheet=True, pos_offsets=[(0, 0, 32, 32),
(32, 0, 32, 32),
(0, 32, 32, 32),
(32, 32, 32, 32),
(0, 64, 32, 32),
(32, 64, 32, 32)],
resize=(self.maze.block_size, self.maze.block_size),
animation_delay=150, repeat=False)
self.flip_status = {'use_horiz': True, 'h_flip': False, 'v_flip': False}
self.spawn_info = self.maze.player_spawn[1]
self.tile = self.maze.player_spawn[0]
self.direction = None
self.moving = False
self.speed = maze.block_size // 7
self.image, self.rect = self.horizontal_images.get_image()
self.rect.centerx, self.rect.centery = self.spawn_info # screen coordinates for spawn
self.dead = False
self.portal_controller = PortalController(screen, self, maze) # controller object for portal
# Keyboard related events/actions/releases
self.event_map = {pygame.KEYDOWN: self.perform_action, pygame.KEYUP: self.reset_direction}
self.action_map = {pygame.K_UP: self.set_move_up, pygame.K_LEFT: self.set_move_left,
pygame.K_DOWN: self.set_move_down, pygame.K_RIGHT: self.set_move_right,
pygame.K_q: self.blue_portal, pygame.K_w: self.orange_portal}
def clear_portals(self):
"""Remove all portals from play"""
self.portal_controller.clear_portals()
def blue_portal(self):
"""Create a blue portal from PacMan"""
self.sound_manager.play('portal')
self.portal_controller.fire_b_portal_projectile()
def orange_portal(self):
"""Create an orange portal from PacMan"""
self.sound_manager.play('portal')
self.portal_controller.fire_o_portal_projectile()
def set_death(self):
"""Set the death flag for PacMan and begin the death animation"""
self.sound_manager.play('dead')
self.dead = True
self.image, _ = self.death_images.get_image()
def revive(self):
"""Set dead to False and give PacMan a default image"""
self.dead = False
self.image, _ = self.horizontal_images.get_image()
self.death_images.image_index = 0
def reset_position(self):
"""Reset position back to pre-define spawn location"""
self.rect.centerx, self.rect.centery = self.spawn_info # screen coordinates for spawn
def reset_direction(self, event):
"""Reset the movement direction if key-up on movement keys"""
if event.key in (pygame.K_UP, pygame.K_DOWN, pygame.K_LEFT, pygame.K_RIGHT):
self.moving = False
def perform_action(self, event):
"""Change direction based on the event key"""
if event.key in self.action_map:
self.action_map[event.key]()
def set_move_up(self):
"""Set move direction up"""
if self.direction != 'u':
self.direction = 'u'
if self.flip_status['v_flip']:
self.vertical_images.flip(False, True)
self.flip_status['v_flip'] = False
self.flip_status['use_horiz'] = False
self.moving = True
def set_move_left(self):
"""Set move direction left"""
if self.direction != 'l':
self.direction = 'l'
if not self.flip_status['h_flip']:
self.horizontal_images.flip()
self.flip_status['h_flip'] = True
self.flip_status['use_horiz'] = True
self.moving = True
def set_move_down(self):
"""Set move direction down"""
if self.direction != 'd':
self.direction = 'd'
if not self.flip_status['v_flip']:
self.vertical_images.flip(x_bool=False, y_bool=True)
self.flip_status['v_flip'] = True
self.flip_status['use_horiz'] = False
self.moving = True
def set_move_right(self):
"""Set move direction to right"""
if self.direction != 'r':
self.direction = 'r'
if self.flip_status['h_flip']:
self.horizontal_images.flip()
self.flip_status['h_flip'] = False
self.flip_status['use_horiz'] = True
self.moving = True
def get_nearest_col(self):
"""Get the current column location on the maze map"""
return (self.rect.x - (self.screen.get_width() // 5)) // self.maze.block_size
def get_nearest_row(self):
"""Get the current row location on the maze map"""
return (self.rect.y - (self.screen.get_height() // 12)) // self.maze.block_size
def is_blocked(self):
"""Check if PacMan is blocked by any maze barriers, return True if blocked, False if clear"""
result = False
if self.direction is not None and self.moving:
original_pos = self.rect
if self.direction == 'u':
test = self.rect.move((0, -self.speed))
elif self.direction == 'l':
test = self.rect.move((-self.speed, 0))
elif self.direction == 'd':
test = self.rect.move((0, self.speed))
else:
test = self.rect.move((self.speed, 0))
self.rect = test # temporarily move self
# if any collision, result = True
if pygame.sprite.spritecollideany(self, self.maze.maze_blocks):
result = True
elif pygame.sprite.spritecollideany(self, self.maze.shield_blocks):
result = True
elif not self.portal_controller.portables_usable():
result = self.portal_controller.collide_portals(self)
self.rect = original_pos # reset position
return result
def update(self):
"""Update PacMan's position in the maze if moving, and if not blocked"""
if not self.dead:
self.portal_controller.update()
self.portal_controller.check_portals(self)
if self.direction and self.moving:
if self.flip_status['use_horiz']:
self.image = self.horizontal_images.next_image()
else:
self.image = self.vertical_images.next_image()
if not self.is_blocked():
if self.direction == 'u':
self.rect.centery -= self.speed
elif self.direction == 'l':
self.rect.centerx -= self.speed
elif self.direction == 'd':
self.rect.centery += self.speed
elif self.direction == 'r':
self.rect.centerx += self.speed
self.tile = (self.get_nearest_row(), self.get_nearest_col())
else:
self.image = self.death_images.next_image()
def blit(self):
"""Blit the PacMan sprite to the screen"""
self.portal_controller.blit()
self.screen.blit(self.image, self.rect)
def eat(self):
"""Eat pellets from the maze and return the score accumulated"""
score = 0
fruit_count = 0
power = None
collision = pygame.sprite.spritecollideany(self, self.maze.pellets)
if collision:
collision.kill()
score += 10
self.sound_manager.play('chomp')
collision = pygame.sprite.spritecollideany(self, self.maze.fruits)
if collision:
collision.kill()
score += 20
fruit_count += 1
self.sound_manager.play('eatfruit')
collision = pygame.sprite.spritecollideany(self, self.maze.power_pellets)
if collision:
collision.kill()
score += 20
power = True
self.sound_manager.play('chomp')
return score, fruit_count, power
class PortalController:
"""Manages portals and their related functionality within the game"""
PORTAL_AUDIO_CHANNEL = 3
def __init__(self, screen, user, maze):
self.screen = screen
self.maze = maze
self.user = user
self.sound_manager = SoundManager(
sound_files=['portal-open.wav', 'portal-travel.wav'],
keys=['open', 'travel'],
channel=PortalController.PORTAL_AUDIO_CHANNEL)
self.blue_portal = pygame.sprite.GroupSingle(
) # portals as GroupSingle, which only allows one per group
self.blue_projectile = None
self.orange_portal = pygame.sprite.GroupSingle()
self.orange_projectile = None
# converter for projectile direction to portal direction
self.portal_directions = {'l': 'r', 'r': 'l', 'u': 'd', 'd': 'u'}
def clear_portals(self):
"""Remove all portals and projectiles"""
self.blue_portal.empty()
self.orange_portal.empty()
self.blue_projectile = None
self.orange_projectile = None
def fire_b_portal_projectile(self):
"""Create a projectile for generating a blue portal"""
if self.user.direction is not None:
self.blue_projectile = PortalProjectile(
screen=self.screen,
source=self.user,
direction=self.user.direction,
p_type=Portal.P_TYPE_1)
def fire_o_portal_projectile(self):
"""Create a projectile for generating an orange portal"""
if self.user.direction is not None:
self.orange_projectile = PortalProjectile(
screen=self.screen,
source=self.user,
direction=self.user.direction,
p_type=Portal.P_TYPE_2)
def create_blue_portal(self, x, y, direction):
"""Create a blue portal, replacing the location it originally took up with a normal maze block"""
if self.blue_portal:
old_x, old_y = self.blue_portal.sprite.rect.x, self.blue_portal.sprite.rect.y
self.maze.maze_blocks.add(
Block(old_x, old_y, self.maze.block_size, self.maze.block_size,
self.maze.block_image))
self.blue_portal.add(
Portal(screen=self.screen,
x=x,
y=y,
direction=direction,
maze=self.maze,
p_type=Portal.P_TYPE_1))
def create_orange_portal(self, x, y, direction):
"""Create a blue portal, replacing the location it originally took up with a normal maze block"""
if self.orange_portal:
old_x, old_y = self.orange_portal.sprite.rect.x, self.orange_portal.sprite.rect.y
self.maze.maze_blocks.add(
Block(old_x, old_y, self.maze.block_size, self.maze.block_size,
self.maze.block_image))
self.orange_portal.add(
Portal(screen=self.screen,
x=x,
y=y,
direction=direction,
maze=self.maze,
p_type=Portal.P_TYPE_2))
def update(self):
"""Update the portal controller's display parts and tracking"""
self.blue_portal.update()
self.orange_portal.update()
if self.blue_projectile:
self.blue_projectile.update() # update projectile
# erase projectile if it hits a portal
if pygame.sprite.spritecollideany(self.blue_projectile, self.blue_portal) or \
pygame.sprite.spritecollideany(self.blue_projectile, self.orange_portal):
self.blue_projectile = None
return
collision = pygame.sprite.spritecollideany(self.blue_projectile,
self.maze.maze_blocks)
if collision: # if projectile hits a block, replace it with a blue portal
x, y = collision.rect.x, collision.rect.y
collision.kill() # Replace the block with a portal
direction = self.portal_directions[
self.blue_projectile.direction]
self.blue_projectile = None # remove the projectile
self.create_blue_portal(x, y, direction)
self.sound_manager.play('open')
# remove if projectile off screen
elif self.blue_projectile.is_off_screen():
self.blue_projectile = None
if self.orange_projectile:
self.orange_projectile.update()
# erase projectile if it hits a portal
if pygame.sprite.spritecollideany(self.orange_projectile, self.blue_portal) or \
pygame.sprite.spritecollideany(self.orange_projectile, self.orange_portal):
self.orange_projectile = None
return
collision = pygame.sprite.spritecollideany(self.orange_projectile,
self.maze.maze_blocks)
if collision: # if projectile hits a block, replace it with an orange portal
x, y = collision.rect.x, collision.rect.y
collision.kill() # Replace the block with a portal
direction = self.portal_directions[
self.orange_projectile.direction]
self.orange_projectile = None # remove the projectile
self.create_orange_portal(x, y, direction)
self.sound_manager.play('open')
elif self.orange_projectile.is_off_screen():
self.orange_projectile = None
def portables_usable(self):
"""Return True if the portables are usable (i.e. there are two of them)"""
return self.blue_portal and self.orange_portal
def collide_portals(self, other):
"""Return True if the sprite is colliding with any portal"""
return pygame.sprite.spritecollideany(other, self.blue_portal) or \
pygame.sprite.spritecollideany(other, self.orange_portal)
def check_portals(self, *args):
"""Check if other sprites have come into contact with the portals, and if so move them"""
for arg in args:
if pygame.sprite.spritecollideany(
arg, self.blue_portal) and self.orange_portal:
# get i, j as it relates to the maze map
i, j = self.orange_portal.sprite.get_nearest_row(
), self.orange_portal.sprite.get_nearest_col()
# move i or j based on portal direction
if self.orange_portal.sprite.direction == 'l':
j -= 1
elif self.orange_portal.sprite.direction == 'r':
j += 1
elif self.orange_portal.sprite.direction == 'u':
i -= 1
else:
i += 1
# convert i, j to x, y coordinates using same formula as maze class
x, y = ((self.screen.get_width()) // 5 + (j * self.maze.block_size)), \
((self.screen.get_height()) // 12 + (i * self.maze.block_size))
arg.rect.x, arg.rect.y = x, y
self.sound_manager.play('travel')
elif pygame.sprite.spritecollideany(
arg, self.orange_portal) and self.blue_portal:
# get i, j as it relates to the maze map
i, j = self.blue_portal.sprite.get_nearest_row(
), self.blue_portal.sprite.get_nearest_col()
# move i or j based on portal direction
if self.blue_portal.sprite.direction == 'l':
j -= 1
elif self.blue_portal.sprite.direction == 'r':
j += 1
elif self.blue_portal.sprite.direction == 'u':
i -= 1
else:
i += 1
# convert i, j to x, y coordinates using same formula as maze class
x, y = ((self.screen.get_width() // 5) + (j * self.maze.block_size)), \
((self.screen.get_height() // 12) + (i * self.maze.block_size))
arg.rect.x, arg.rect.y = x, y
self.sound_manager.play('travel')
def blit(self):
"""Blit the portal controller's display components to the screen"""
if self.blue_projectile:
self.blue_projectile.blit()
if self.orange_projectile:
self.orange_projectile.blit()
if self.blue_portal:
self.blue_portal.sprite.blit()
if self.orange_portal:
self.orange_portal.sprite.blit()