def game_loop(self):
"""Game loop."""
surface = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
surface.fill(0xC4CFA1) # Same colour as splash screen
playfield = Playfield(PLAYFIELD_WIDTH, PLAYFIELD_HEIGHT,
self.tileset)
pygame.time.set_timer(pygame.USEREVENT, START_SPEED)
clock = pygame.time.Clock()
trimino = self.spawn_trimino()
game_over = False
while not game_over:
event = pygame.event.poll()
if event.type == pygame.QUIT:
self.exit_game()
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
break
if event.key == pygame.K_j:
if not self.legal_move(playfield, trimino.rotate_left()):
trimino.rotate_right() # Revert rotation
if event.key == pygame.K_k:
if not self.legal_move(playfield, trimino.rotate_right()):
trimino.rotate_left() # Revert rotation
if event.key == pygame.K_SPACE: # Hard drop
while self.legal_move(playfield, trimino.move_down()):
pass
if playfield.place_trimino(trimino.move_up()):
trimino = self.spawn_trimino()
self.process_lines(playfield)
else:
game_over = True
elif event.type == pygame.USEREVENT:
if not self.legal_move(playfield, trimino.move_down()):
if playfield.place_trimino(trimino.move_up()):
trimino = self.spawn_trimino()
self.process_lines(playfield)
else:
game_over = True
pressed = pygame.key.get_pressed()
if pressed[pygame.K_LEFT]:
if not self.legal_move(playfield, trimino.move_left()):
trimino.move_right() # Revert move
if pressed[pygame.K_RIGHT]:
if not self.legal_move(playfield, trimino.move_right()):
trimino.move_left() # Revert move
if pressed[pygame.K_DOWN]:
if not self.legal_move(playfield, trimino.move_down()):
trimino.move_up() # Revert move
playfield.draw()
trimino.draw()
self.font.write(0, 1, "SCORE: %d" % self.player.score)
self.font.write(0, 10, "LEVEL: %d" % self.level)
pygame.display.flip()
clock.tick(30)
pygame.time.set_timer(pygame.USEREVENT, 0) # Disable timer
class GameScreen(object):
dt = 0.05
def __init__(self, game, player, font, zoom, push, pop):
self._game = game
self._playfield = Playfield(self._game, player, font, zoom,
self._ignoremotion)
self._info = InfoView(self._playfield, font, zoom, push, pop)
self._ignore = None
self.scale(font)
def scale(self, font):
self._font = font
self._playfield.scale(self._font)
self._info.scale(self._font)
def resize(self, size):
self._fieldwidth = max(0, size[0] - self._info.width)
self._playfield.resize((self._fieldwidth, size[1]))
self._info.resize((size[0] - self._fieldwidth, size[1]))
def _ignoremotion(self, rel):
self._ignore = rel
def handle(self, e):
if e.type == MOUSEMOTION and e.rel != self._ignore:
mouse.set_visible(True)
self._ignore = None
if self._playfield.handle(e):
return True
if 'pos' in e.dict:
e.dict['pos'] = (e.pos[0] - self._fieldwidth, e.pos[1])
return self._info.handle(e)
def _playinfosurfaces(self, surface):
size = surface.get_size()
return (surface.subsurface(Rect((0,0),(self._fieldwidth,size[1]))),
surface.subsurface(Rect((self._fieldwidth,0),
(size[0]-self._fieldwidth, size[1]))))
def draw(self, surface):
play, info = self._playinfosurfaces(surface)
self._playfield.draw(play)
self._info.draw(info)