def game_loop(win, mapa, neural_net, train):
pacman = Pacman(mapa, neural_net)
blinky = Blinky(mapa, pacman)
pinky = Pinky(mapa, pacman)
clyde = Clyde(mapa, pacman)
inky = Inky(mapa, pacman)
clock = pygame.time.Clock()
while pacman.isAlive:
events = pygame.event.get()
handle_quit(events)
win.fill((0, 0, 0))
up = 0
down = 0
left = 0
right = 0
input_data = np.array([[calcDist(pacman.getPos(), blinky.getPos()), calcDist(pacman.getPos(), pinky.getPos()), calcDist(pacman.getPos(), inky.getPos()), calcDist(pacman.getPos(), clyde.getPos())]])
np.interp(input_data, (0, 36), (-1, +1))
if(mapa.map[pacman.getPos()[1] - 1][pacman.getPos()[0]] != 1):
up = 1
if(mapa.map[pacman.getPos()[1] + 1][pacman.getPos()[0]] != 1):
down = 1
if(mapa.map[pacman.getPos()[1]][pacman.getPos()[0] + 1] != 1):
right = 1
if(mapa.map[pacman.getPos()[1]][pacman.getPos()[0] - 1] != 1):
left = 1
input_data = np.append(np.array([[up, right, down, left]]), input_data, axis=1)
pacman.update(input_data)
blinky.update()
pinky.update()
clyde.update()
inky.update(blinky.getPos())
if train == False:
mapa.draw(win)
pacman.draw(win)
blinky.draw(win)
pinky.draw(win)
clyde.draw(win)
inky.draw(win)
textsurface = pygame.font.SysFont('Comic Sans MS', 25).render('Score: {}'.format(pacman.score), False, (255, 255, 255))
win.blit(textsurface,(240,300))
pygame.display.update()
clock.tick(FPS)
return (pacman.score, pacman.count2)
def gameloop():
"""
Description: the main loop that will run forever while the game is on.
Returns: play(bool): return False if the quit button is pressed by the
user, return True otherwise.
"""
global pacman_map, pacman, pyman, won, counter, end
# load the map and get the RGB values of the wall colour generated randomly
wall_colour = map_load()
# Create the pacman(and pyman, for mode 3) object(s).
pacman = Pacman(9, 16, pacman_map, "right", "pacman")
if gamemode == 3:
pyman = Pacman(9, 18, pacman_map, "right", "pyman")
# initialize the timer to tick every 1000ms(1s)
pygame.time.set_timer(pygame.USEREVENT, 1000)
end = False
play = True
# intialize the ghost objects
ghost_list = ghost_init()
while not won and not end:
# control the pacman with 4 move keys
for event in pygame.event.get():
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
pacman.Left()
elif event.key == pygame.K_RIGHT:
pacman.Right()
elif event.key == pygame.K_UP:
pacman.Up()
elif event.key == pygame.K_DOWN:
pacman.Down()
pacman.eat_pacdot()
if gamemode == 3:
# add another 4 keys for pyman in mode 3
if event.key == pygame.K_a:
pyman.Left()
elif event.key == pygame.K_d:
pyman.Right()
elif event.key == pygame.K_w:
pyman.Up()
elif event.key == pygame.K_s:
pyman.Down()
pyman.eat_pacdot()
# tracks if the user pressed the quit button
if event.type == pygame.QUIT:
play = False
end = True
if gamemode != 1:
# set time count down for mode 2 and 3
if event.type == pygame.USEREVENT:
counter -= 1
# determine the end conditions for the game(different end conditions
# apply to each mode)
if pacman.score <= 0 or counter <= 0 or \
(eaten[0] and eaten[1] and eaten[2] and eaten[3]):
screen.fill((0, 0, 0))
end = True
if gamemode == 3:
if pyman.score <= 0:
screen.fill((0, 0, 0))
end = True
screen.fill((0, 0, 0))
# draw the map with the correspond random colour
map_draw(wall_colour)
# the loop part is different for each mode
if gamemode == 1:
gm1_loop(ghost_list)
elif gamemode == 2:
gm2_loop(ghost_list)
elif gamemode == 3:
gm3_loop(ghost_list)
pacman.draw(screen)
# set the 4 ghosts as different modes
modes = [1, 2, 3, 2]
for i in range(0, 4):
if gamemode == 2:
# all ghosts for mode 2 move randomly
ghost_list[i].move(pacman, 2)
else:
# each ghost will follow their own algorithm based their
# given mode defined in the mode list(this mode is different
# from gamemode)
ghost_list[i].move(pacman, modes[i])
# calls the display function to display texts if certain
# condition is satisfied
display()
# update the screen
pygame.display.flip()
# set the frame rate per second(fps)
clock = pygame.time.Clock()
clock.tick(66)
return(play)