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| import sys
import pygame
import string
import queue
class game:
def is_valid_value(self,char):
if ( char == ' ' or #floor
char == '#' or #wall
char == '@' or #worker on floor
char == '.' or #dock
char == '*' or #box on dock
char == '$' or #box
char == '+' ): #worker on dock
return True
else:
return False
def __init__(self,filename,level):
self.queue = queue.LifoQueue()
self.matrix = []
# if level < 1 or level > 50:
if level < 1:
print ("ERROR: Level "+str(level)+" is out of range")
sys.exit(1)
else:
file = open(filename,'r')
level_found = False
for line in file:
row = []
if not level_found:
if "Level "+str(level) == line.strip():
level_found = True
else:
if line.strip() != "":
row = []
for c in line:
if c != '\n' and self.is_valid_value(c):
row.append(c)
elif c == '\n': #jump to next row when newline
continue
else:
print ("ERROR: Level "+str(level)+" has invalid value "+ c )
sys.exit(1)
self.matrix.append(row)
else:
break
def load_size(self):
x = 0
y = len(self.matrix)
for row in self.matrix:
if len(row) > x:
x = len(row)
return (x * 32, y * 32)
def get_matrix(self):
return self.matrix
def print_matrix(self):
for row in self.matrix:
for char in row:
sys.stdout.write(char)
sys.stdout.flush()
sys.stdout.write('\n')
def get_content(self,x,y):
return self.matrix[y][x]
def set_content(self,x,y,content):
if self.is_valid_value(content):
self.matrix[y][x] = content
else:
print ("ERROR: Value '"+content+"' to be added is not valid")
def worker(self):
x = 0
y = 0
for row in self.matrix:
for pos in row:
if pos == '@' or pos == '+':
return (x, y, pos)
else:
x = x + 1
y = y + 1
x = 0
def can_move(self,x,y):
return self.get_content(self.worker()[0]+x,self.worker()[1]+y) not in ['#','*','$']
def next(self,x,y):
return self.get_content(self.worker()[0]+x,self.worker()[1]+y)
def can_push(self,x,y):
return (self.next(x,y) in ['*','$'] and self.next(x+x,y+y) in [' ','.'])
def is_completed(self):
for row in self.matrix:
for cell in row:
if cell == '$':
return False
return True
def move_box(self,x,y,a,b):
# (x,y) -> move to do
# (a,b) -> box to move
current_box = self.get_content(x,y)
future_box = self.get_content(x+a,y+b)
if current_box == '$' and future_box == ' ':
self.set_content(x+a,y+b,'$')
self.set_content(x,y,' ')
elif current_box == '$' and future_box == '.':
self.set_content(x+a,y+b,'*')
self.set_content(x,y,' ')
elif current_box == '*' and future_box == ' ':
self.set_content(x+a,y+b,'$')
self.set_content(x,y,'.')
elif current_box == '*' and future_box == '.':
self.set_content(x+a,y+b,'*')
self.set_content(x,y,'.')
def unmove(self):
if not self.queue.empty():
movement = self.queue.get()
if movement[2]:
current = self.worker()
self.move(movement[0] * -1,movement[1] * -1, False)
self.move_box(current[0]+movement[0],current[1]+movement[1],movement[0] * -1,movement[1] * -1)
else:
self.move(movement[0] * -1,movement[1] * -1, False)
def move(self,x,y,save):
if self.can_move(x,y):
current = self.worker()
future = self.next(x,y)
if current[2] == '@' and future == ' ':
self.set_content(current[0]+x,current[1]+y,'@')
self.set_content(current[0],current[1],' ')
if save: self.queue.put((x,y,False))
elif current[2] == '@' and future == '.':
self.set_content(current[0]+x,current[1]+y,'+')
self.set_content(current[0],current[1],' ')
if save: self.queue.put((x,y,False))
elif current[2] == '+' and future == ' ':
self.set_content(current[0]+x,current[1]+y,'@')
self.set_content(current[0],current[1],'.')
if save: self.queue.put((x,y,False))
elif current[2] == '+' and future == '.':
self.set_content(current[0]+x,current[1]+y,'+')
self.set_content(current[0],current[1],'.')
if save: self.queue.put((x,y,False))
elif self.can_push(x,y):
current = self.worker()
future = self.next(x,y)
future_box = self.next(x+x,y+y)
if current[2] == '@' and future == '$' and future_box == ' ':
self.move_box(current[0]+x,current[1]+y,x,y)
self.set_content(current[0],current[1],' ')
self.set_content(current[0]+x,current[1]+y,'@')
if save: self.queue.put((x,y,True))
elif current[2] == '@' and future == '$' and future_box == '.':
self.move_box(current[0]+x,current[1]+y,x,y)
self.set_content(current[0],current[1],' ')
self.set_content(current[0]+x,current[1]+y,'@')
if save: self.queue.put((x,y,True))
elif current[2] == '@' and future == '*' and future_box == ' ':
self.move_box(current[0]+x,current[1]+y,x,y)
self.set_content(current[0],current[1],' ')
self.set_content(current[0]+x,current[1]+y,'+')
if save: self.queue.put((x,y,True))
elif current[2] == '@' and future == '*' and future_box == '.':
self.move_box(current[0]+x,current[1]+y,x,y)
self.set_content(current[0],current[1],' ')
self.set_content(current[0]+x,current[1]+y,'+')
if save: self.queue.put((x,y,True))
if current[2] == '+' and future == '$' and future_box == ' ':
self.move_box(current[0]+x,current[1]+y,x,y)
self.set_content(current[0],current[1],'.')
self.set_content(current[0]+x,current[1]+y,'@')
if save: self.queue.put((x,y,True))
elif current[2] == '+' and future == '$' and future_box == '.':
self.move_box(current[0]+x,current[1]+y,x,y)
self.set_content(current[0],current[1],'.')
self.set_content(current[0]+x,current[1]+y,'+')
if save: self.queue.put((x,y,True))
elif current[2] == '+' and future == '*' and future_box == ' ':
self.move_box(current[0]+x,current[1]+y,x,y)
self.set_content(current[0],current[1],'.')
self.set_content(current[0]+x,current[1]+y,'+')
if save: self.queue.put((x,y,True))
elif current[2] == '+' and future == '*' and future_box == '.':
self.move_box(current[0]+x,current[1]+y,x,y)
self.set_content(current[0],current[1],'.')
self.set_content(current[0]+x,current[1]+y,'+')
if save: self.queue.put((x,y,True))
def print_game(matrix,screen):
screen.fill(background)
x = 0
y = 0
for row in matrix:
for char in row:
if char == ' ': #floor
screen.blit(floor,(x,y))
elif char == '#': #wall
screen.blit(wall,(x,y))
elif char == '@': #worker on floor
screen.blit(worker,(x,y))
elif char == '.': #dock
screen.blit(docker,(x,y))
elif char == '*': #box on dock
screen.blit(box_docked,(x,y))
elif char == '$': #box
screen.blit(box,(x,y))
elif char == '+': #worker on dock
screen.blit(worker_docked,(x,y))
x = x + 32
x = 0
y = y + 32
def get_key():
while 1:
event = pygame.event.poll()
if event.type == pygame.KEYDOWN:
return event.key
else:
pass
def display_box(screen, message):
"Print a message in a box in the middle of the screen"
fontobject = pygame.font.Font(None,18)
pygame.draw.rect(screen, (0,0,0),
((screen.get_width() // 2) - 100,
(screen.get_height() // 2) - 10,
200,20), 0)
pygame.draw.rect(screen, (255,255,255),
((screen.get_width() // 2) - 102,
(screen.get_height() // 2) - 12,
204,24), 1)
if len(message) != 0:
screen.blit(fontobject.render(message, 1, (255,255,255)),
((screen.get_width() // 2) - 100, (screen.get_height() // 2) - 10))
pygame.display.flip()
def display_end(screen):
message = "Level Completed"
fontobject = pygame.font.Font(None,18)
pygame.draw.rect(screen, (0,0,0),
((screen.get_width() // 2) - 100,
(screen.get_height() // 2) - 10,
200,20), 0)
pygame.draw.rect(screen, (255,255,255),
((screen.get_width() // 2) - 102,
(screen.get_height() // 2) - 12,
204,24), 1)
screen.blit(fontobject.render(message, 1, (255,255,255)),
((screen.get_width() // 2) - 100, (screen.get_height() // 2) - 10))
pygame.display.flip()
def ask(screen, question):
"ask(screen, question) -> answer"
pygame.font.init()
current_string = []
display_box(screen, question + ": " + "".join(current_string))
while 1:
inkey = get_key()
if inkey == pygame.K_BACKSPACE:
current_string = current_string[0:-1]
elif inkey == pygame.K_RETURN:
break
elif inkey == pygame.K_MINUS:
current_string.append("_")
elif inkey <= 127:
current_string.append(chr(inkey))
display_box(screen, question + ": " + "".join(current_string))
return "".join(current_string)
def start_game():
start = pygame.display.set_mode((320,240))
level = int(ask(start,"Select Level"))
if level > 0:
return level
else:
print ("ERROR: Invalid Level: "+str(level))
sys.exit(2)
wall = pygame.image.load('images/wall.png')
floor = pygame.image.load('images/floor.png')
box = pygame.image.load('images/box.png')
box_docked = pygame.image.load('images/box_docked.png')
worker = pygame.image.load('images/worker.png')
worker_docked = pygame.image.load('images/worker_dock.png')
docker = pygame.image.load('images/dock.png')
background = 255, 226, 191
pygame.init()
level = start_game()
game = game('levels',level)
size = game.load_size()
screen = pygame.display.set_mode(size)
while 1:
if game.is_completed(): display_end(screen)
print_game(game.get_matrix(),screen)
for event in pygame.event.get():
if event.type == pygame.QUIT: sys.exit(0)
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_UP: game.move(0,-1, True)
elif event.key == pygame.K_DOWN: game.move(0,1, True)
elif event.key == pygame.K_LEFT: game.move(-1,0, True)
elif event.key == pygame.K_RIGHT: game.move(1,0, True)
elif event.key == pygame.K_q: sys.exit(0)
elif event.key == pygame.K_d: game.unmove()
pygame.display.update() |
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