class SpriteBase(pygame.sprite.Sprite):
def __init__(self, *args, **kwargs):
super(SpriteBase, self).__init__(*args, **kwargs)
self.image = ImageObject('ship.png')
self.rect = self.image.rect
def draw_on_surface(self, surface, game_board):
self.image.draw_on_surface(surface)
self.rect = self.image.rect
class StartupBoard(BoardBase):
switch_board = False
labels = []
def __init__(self, *args, **kwargs):
self.background = ImageObject('background.png')
def process_draw_on_surface(self, surface):
self.background.draw_on_surface(surface)
if self.labels == []:
label = LabelObject('PYWANDER', 37)
label.rect.left = 90
label.rect.top = 90
self.labels.append(label)
label = LabelObject('IS A GAME...', 15)
label.rect.left = 329
label.rect.top = 109
self.labels.append(label)
label = LabelObject('WHERE YOU MUST SAVE THE WORLD IN', 15)
label.rect.left = 60
label.rect.top = 170
self.labels.append(label)
label = LabelObject('LESS THAN...', 25)
label.rect.left = 410
label.rect.top = 170
self.labels.append(label)
label = LabelObject('9 TIMES', 121)
label.rect.left = 31
label.rect.top = 184
self.labels.append(label)
for label in self.labels:
label.draw_on_surface(surface)
buffer = pygame.image.tostring(surface, 'RGB')
self.buffer = buffer
self.buffer_size = surface.get_size()
def process_inputs(self, events):
for event in events:
if event.type == KEYDOWN:
self.switch_board = True
def is_time_to_switch_board(self):
return self.switch_board
def get_next_board(self):
return SwitchBoard(self.buffer, self.buffer_size, HowToBoard())
class SwitchBoard(BoardBase):
switch_board = False
next_board = None
image = None
is_completed = False
transparency = 0.0
transparency_speed = 6.54
go_to_dark = True
def __init__(self, buffer, buffer_size, board_after):
self.image = pygame.image.frombuffer(buffer, buffer_size, 'RGB')
self.next_board = board_after
self.background = ImageObject('background.png')
def process_draw_on_surface(self, surface):
if self.go_to_dark:
surface.blit(self.image, (0, 0))
if self.transparency < 255 - self.transparency_speed:
self.transparency += self.transparency_speed
else:
self.go_to_dark = False
transparency_rgb_with_alpha = (160,
160,
160,
self.transparency)
transparency = pygame.surface.Surface((640, 480)).convert_alpha()
transparency.fill(transparency_rgb_with_alpha)
surface.blit(transparency, (0, 0))
else:
self.background.draw_on_surface(surface)
if self.transparency > 0 + self.transparency_speed:
self.transparency -= self.transparency_speed
else:
self.switch_board = True
transparency_rgb_with_alpha = (160,
160,
160,
self.transparency)
transparency = pygame.surface.Surface((640, 480)).convert_alpha()
transparency.fill(transparency_rgb_with_alpha)
surface.blit(transparency, (0, 0))
def process_inputs(self, events):
pass
def is_time_to_switch_board(self):
return self.switch_board
def get_next_board(self):
return self.next_board
class WonBoard(BoardBase):
switch_board = False
labels = []
level = None
def __init__(self, level):
self.level = level
self.background = ImageObject('background.png')
def process_draw_on_surface(self, surface):
self.background.draw_on_surface(surface)
if self.labels == []:
label = LabelObject('CONGRATS', 81)
label.rect.left = 61
label.rect.top = 114
self.labels.append(label)
level_finished = self.level - 1
label = LabelObject('YOU HAVE JUST FINISHED LEVEL %d,' % level_finished, 27)
label.rect.left = 61
label.rect.top = 204
self.labels.append(label)
label = LabelObject('PREPARE FOR NEXT LEVEL!', 27)
label.rect.left = 61
label.rect.top = 244
self.labels.append(label)
for label in self.labels:
label.draw_on_surface(surface)
def process_inputs(self, events):
for event in events:
if event.type == KEYDOWN:
self.switch_board = True
def is_time_to_switch_board(self):
return self.switch_board
def get_next_board(self):
return GameBoard(self.level)
class LoseBoard(BoardBase):
switch_board = False
labels = []
def __init__(self, *args, **kwargs):
self.background = ImageObject('background.png')
def process_draw_on_surface(self, surface):
self.background.draw_on_surface(surface)
if self.labels == []:
label = LabelObject('SORRY', 121)
label.rect.left = 71
label.rect.top = 104
self.labels.append(label)
label = LabelObject('BUT YOU LOSE. JUST DON' 'T CRY,', 27)
label.rect.left = 71
label.rect.top = 224
self.labels.append(label)
label = LabelObject('YOU CAN PLAY AGAIN! :)', 27)
label.rect.left = 71
label.rect.top = 264
self.labels.append(label)
for label in self.labels:
label.draw_on_surface(surface)
def process_inputs(self, events):
for event in events:
if event.type == KEYDOWN:
self.switch_board = True
def is_time_to_switch_board(self):
return self.switch_board
def get_next_board(self):
return None
class LoseBoard(BoardBase):
switch_board = False
labels = []
def __init__(self, *args, **kwargs):
self.background = ImageObject('background.png')
def process_draw_on_surface(self, surface):
self.background.draw_on_surface(surface)
if self.labels == []:
label = LabelObject('SORRY', 121)
label.rect.left = 71
label.rect.top = 104
self.labels.append(label)
label = LabelObject('BUT YOU LOSE. JUST DON''T CRY,', 27)
label.rect.left = 71
label.rect.top = 224
self.labels.append(label)
label = LabelObject('YOU CAN PLAY AGAIN! :)', 27)
label.rect.left = 71
label.rect.top = 264
self.labels.append(label)
for label in self.labels:
label.draw_on_surface(surface)
def process_inputs(self, events):
for event in events:
if event.type == KEYDOWN:
self.switch_board = True
def is_time_to_switch_board(self):
return self.switch_board
def get_next_board(self):
return None
class GameBoard(BoardBase):
status = None
score = 0
life = 100
boss_life = 100
bullets = []
background = None
background_x = 0
background_speed = 0.07
background_time = 0
background_width = 3161
ship = None
bullets_group = None
enemy_group = None
inactive_group = None
level = 1
level_file = None
last_file_read = 0
level_speed = 1000
attempts_left = 9
def __init__(self, level=1):
self.level = level
self.background = ImageObject('background.png')
self.ship = ShipSprite()
self.bullets_group = pygame.sprite.Group()
self.enemy_group = pygame.sprite.Group()
self.inactive_group = pygame.sprite.Group()
self.level_file = open(os.path.join('data', 'levels', 'level_%d.txt' % self.level))
self.level_file.readline() # First line indicates just limit of file width
def process_draw_on_surface(self, surface):
time_before = self.background_time
if self.background_time != 0:
self.background_time = pygame.time.get_ticks()
elapsed = self.background_time - time_before
else:
self.background_time = pygame.time.get_ticks()
elapsed = 0
self.background_x -= int(elapsed * self.background_speed)
if self.background_x < -self.background_width:
self.background_x += self.background_width
for i in range(3):
self.background.rect.left = int(self.background_x) + (self.background_width * (i - 1))
self.background.draw_on_surface(surface, self)
score_label = LabelObject('Score: %d' % self.score, 14)
score_label.change_realign('top-right', right=15, top=15)
score_label.draw_on_surface(surface, self)
life_label = LabelObject('Life: %d' % self.life, 14)
life_label.change_realign('top-left', left=15, top=15)
life_label.draw_on_surface(surface, self)
life_label = LabelObject('Attempts left: %d' % self.attempts_left, 14)
life_label.change_realign('top-center', top=15)
life_label.draw_on_surface(surface, self)
for bullet in self.bullets_group.sprites():
if bullet.image.rect.left >= 640:
self.bullets_group.remove(bullet)
else:
bullet.draw_on_surface(surface, self)
self.ship.draw_on_surface(surface, self)
for enemy in self.enemy_group.sprites():
if isinstance(enemy, EnemySprite):
if enemy.is_completed():
self.enemy_group.remove(enemy)
enemy.draw_on_surface(surface, self)
for inactive in self.inactive_group.sprites():
if isinstance(inactive, EnemySprite):
if inactive.is_completed():
self.inactive_group.remove(inactive)
continue
inactive.draw_on_surface(surface, self)
for hit in pygame.sprite.groupcollide(self.enemy_group, self.bullets_group, 0, 1):
if isinstance(hit, AsteroidSprite):
self.score += 9
if isinstance(hit, BulletSprite):
hit.kill()
if isinstance(hit, BossSprite):
self.score += 13
hit.hit()
self.boss_life = hit.life
if hit.life <= 0:
self.status = PLAYER_WON
return False
if isinstance(hit, EnemySprite):
self.score += 7
hit.kill()
hit.show_explosion()
sound = SoundObject()
sound.play('boom', 0)
self.inactive_group.add(hit)
hit = pygame.sprite.spritecollideany(self.ship, self.enemy_group)
if hit:
fatal = isinstance(hit, AsteroidSprite) or isinstance(hit, BossSprite)
if not fatal:
hit.kill()
if isinstance(hit, EnemySprite):
hit.show_explosion()
sound = SoundObject()
sound.play('boom', 0)
self.life -= 25
else:
self.status = PLAYER_LOSE
else:
self.read_level_info()
if self.attempts_left == 0 or self.life == 0:
self.status = PLAYER_LOSE
buffer = pygame.image.tostring(surface, 'RGB')
self.buffer = buffer
self.buffer_size = surface.get_size()
def process_inputs(self, events):
key = pygame.key.get_pressed()
if key[K_DOWN]:
self.ship.move_ship_down()
if key[K_UP]:
self.ship.move_ship_up()
if key[K_SPACE]:
self.ship.fire_bullet(self.bullets_group)
if key[K_LEFT]:
self.ship.move_ship_left()
if key[K_RIGHT]:
self.ship.move_ship_right()
def is_time_to_switch_board(self):
return self.status is not None
def get_next_board(self):
from pywander.boards.switch import SwitchBoard
from pywander.boards.won import WonBoard
from pywander.boards.lose import LoseBoard
if self.status == PLAYER_WON:
return SwitchBoard(self.buffer, self.buffer_size, WonBoard(self.level + 1))
else:
return SwitchBoard(self.buffer, self.buffer_size, LoseBoard())
def add_enemy(self, key):
enemy = EnemySprite()
enemy.image.rect.left = 680
enemy.image.rect.top = key * 30
self.enemy_group.add(enemy)
def add_asteroid(self, key):
enemy = AsteroidSprite()
enemy.image.rect.left = 680
enemy.image.rect.top = key * 30
self.enemy_group.add(enemy)
def add_boss(self, key):
enemy = BossSprite()
enemy.life = self.boss_life
enemy.image.rect.left = 645
enemy.image.rect.top = key * 30
self.enemy_group.add(enemy)
def read_level_info(self):
time_now = pygame.time.get_ticks()
if self.last_file_read + self.level_speed < time_now:
line = self.level_file.readline()
key = 0
for obj in line:
if obj == '^':
self.add_enemy(key)
if obj == 'O':
self.add_asteroid(key)
if obj == '@':
self.add_boss(key)
key += 1
self.last_file_read = time_now
class HowToBoard(BoardBase):
switch_board = False
objects = []
def __init__(self, *args, **kwargs):
self.background = ImageObject('background.png')
def process_draw_on_surface(self, surface):
self.background.draw_on_surface(surface)
if self.objects == []:
label = LabelObject('HOW TO PLAY?', 30)
label.rect.left = 190
label.rect.top = 25
self.objects.append(label)
label = LabelObject('Move your ship by pressing up and down.', 18)
label.rect.left = 120
label.rect.top = 120
self.objects.append(label)
label = LabelObject('To shoot press spacebar.', 18)
label.rect.left = 120
label.rect.top = 145
self.objects.append(label)
image = ImageObject('ship.png')
image.rect.left = 45
image.rect.top = 120
self.objects.append(image)
image = ImageObject('arrows.png')
image.rect.left = 49
image.rect.top = 176
self.objects.append(image)
image = ImageObject('arrows.png')
image.rect.left = 49
image.rect.top = 75
image.surface_to_draw = pygame.transform.flip(image.surface_to_draw, False, True)
self.objects.append(image)
label = LabelObject('But watch out for', 18)
label.rect.left = 120
label.rect.top = 240
self.objects.append(label)
label = LabelObject('THE BOSS!', 28)
label.rect.left = 350
label.rect.top = 235
self.objects.append(label)
label = LabelObject('You must kill him before he shows', 18)
label.rect.left = 200
label.rect.top = 340
self.objects.append(label)
label = LabelObject('9 TIMES', 68)
label.rect.left = 240
label.rect.top = 370
self.objects.append(label)
image = ImageObject('boss.png')
image.rect.left = 39
image.rect.top = 300
self.objects.append(image)
self.objects.append(image)
for element in self.objects:
element.draw_on_surface(surface)
buffer = pygame.image.tostring(surface, 'RGB')
self.buffer = buffer
self.buffer_size = surface.get_size()
def process_inputs(self, events):
for event in events:
if event.type == KEYDOWN:
self.switch_board = True
def is_time_to_switch_board(self):
return self.switch_board
def get_next_board(self):
return SwitchBoard(self.buffer, self.buffer_size, GameBoard())
class GameBoard(BoardBase):
status = None
score = 0
life = 100
boss_life = 100
bullets = []
background = None
background_x = 0
background_speed = 0.07
background_time = 0
background_width = 3161
ship = None
bullets_group = None
enemy_group = None
inactive_group = None
level = 1
level_file = None
last_file_read = 0
level_speed = 1000
attempts_left = 9
def __init__(self, level=1):
self.level = level
self.background = ImageObject('background.png')
self.ship = ShipSprite()
self.bullets_group = pygame.sprite.Group()
self.enemy_group = pygame.sprite.Group()
self.inactive_group = pygame.sprite.Group()
self.level_file = open(
os.path.join('data', 'levels', 'level_%d.txt' % self.level))
self.level_file.readline(
) # First line indicates just limit of file width
def process_draw_on_surface(self, surface):
time_before = self.background_time
if self.background_time != 0:
self.background_time = pygame.time.get_ticks()
elapsed = self.background_time - time_before
else:
self.background_time = pygame.time.get_ticks()
elapsed = 0
self.background_x -= int(elapsed * self.background_speed)
if self.background_x < -self.background_width:
self.background_x += self.background_width
for i in range(3):
self.background.rect.left = int(
self.background_x) + (self.background_width * (i - 1))
self.background.draw_on_surface(surface, self)
score_label = LabelObject('Score: %d' % self.score, 14)
score_label.change_realign('top-right', right=15, top=15)
score_label.draw_on_surface(surface, self)
life_label = LabelObject('Life: %d' % self.life, 14)
life_label.change_realign('top-left', left=15, top=15)
life_label.draw_on_surface(surface, self)
life_label = LabelObject('Attempts left: %d' % self.attempts_left, 14)
life_label.change_realign('top-center', top=15)
life_label.draw_on_surface(surface, self)
for bullet in self.bullets_group.sprites():
if bullet.image.rect.left >= 640:
self.bullets_group.remove(bullet)
else:
bullet.draw_on_surface(surface, self)
self.ship.draw_on_surface(surface, self)
for enemy in self.enemy_group.sprites():
if isinstance(enemy, EnemySprite):
if enemy.is_completed():
self.enemy_group.remove(enemy)
enemy.draw_on_surface(surface, self)
for inactive in self.inactive_group.sprites():
if isinstance(inactive, EnemySprite):
if inactive.is_completed():
self.inactive_group.remove(inactive)
continue
inactive.draw_on_surface(surface, self)
for hit in pygame.sprite.groupcollide(self.enemy_group,
self.bullets_group, 0, 1):
if isinstance(hit, AsteroidSprite):
self.score += 9
if isinstance(hit, BulletSprite):
hit.kill()
if isinstance(hit, BossSprite):
self.score += 13
hit.hit()
self.boss_life = hit.life
if hit.life <= 0:
self.status = PLAYER_WON
return False
if isinstance(hit, EnemySprite):
self.score += 7
hit.kill()
hit.show_explosion()
sound = SoundObject()
sound.play('boom', 0)
self.inactive_group.add(hit)
hit = pygame.sprite.spritecollideany(self.ship, self.enemy_group)
if hit:
fatal = isinstance(hit, AsteroidSprite) or isinstance(
hit, BossSprite)
if not fatal:
hit.kill()
if isinstance(hit, EnemySprite):
hit.show_explosion()
sound = SoundObject()
sound.play('boom', 0)
self.life -= 25
else:
self.status = PLAYER_LOSE
else:
self.read_level_info()
if self.attempts_left == 0 or self.life == 0:
self.status = PLAYER_LOSE
buffer = pygame.image.tostring(surface, 'RGB')
self.buffer = buffer
self.buffer_size = surface.get_size()
def process_inputs(self, events):
key = pygame.key.get_pressed()
if key[K_DOWN]:
self.ship.move_ship_down()
if key[K_UP]:
self.ship.move_ship_up()
if key[K_SPACE]:
self.ship.fire_bullet(self.bullets_group)
if key[K_LEFT]:
self.ship.move_ship_left()
if key[K_RIGHT]:
self.ship.move_ship_right()
def is_time_to_switch_board(self):
return self.status is not None
def get_next_board(self):
from pywander.boards.switch import SwitchBoard
from pywander.boards.won import WonBoard
from pywander.boards.lose import LoseBoard
if self.status == PLAYER_WON:
return SwitchBoard(self.buffer, self.buffer_size,
WonBoard(self.level + 1))
else:
return SwitchBoard(self.buffer, self.buffer_size, LoseBoard())
def add_enemy(self, key):
enemy = EnemySprite()
enemy.image.rect.left = 680
enemy.image.rect.top = key * 30
self.enemy_group.add(enemy)
def add_asteroid(self, key):
enemy = AsteroidSprite()
enemy.image.rect.left = 680
enemy.image.rect.top = key * 30
self.enemy_group.add(enemy)
def add_boss(self, key):
enemy = BossSprite()
enemy.life = self.boss_life
enemy.image.rect.left = 645
enemy.image.rect.top = key * 30
self.enemy_group.add(enemy)
def read_level_info(self):
time_now = pygame.time.get_ticks()
if self.last_file_read + self.level_speed < time_now:
line = self.level_file.readline()
key = 0
for obj in line:
if obj == '^':
self.add_enemy(key)
if obj == 'O':
self.add_asteroid(key)
if obj == '@':
self.add_boss(key)
key += 1
self.last_file_read = time_now
class HowToBoard(BoardBase):
switch_board = False
objects = []
def __init__(self, *args, **kwargs):
self.background = ImageObject('background.png')
def process_draw_on_surface(self, surface):
self.background.draw_on_surface(surface)
if self.objects == []:
label = LabelObject('HOW TO PLAY?', 30)
label.rect.left = 190
label.rect.top = 25
self.objects.append(label)
label = LabelObject('Move your ship by pressing up and down.', 18)
label.rect.left = 120
label.rect.top = 120
self.objects.append(label)
label = LabelObject('To shoot press spacebar.', 18)
label.rect.left = 120
label.rect.top = 145
self.objects.append(label)
image = ImageObject('ship.png')
image.rect.left = 45
image.rect.top = 120
self.objects.append(image)
image = ImageObject('arrows.png')
image.rect.left = 49
image.rect.top = 176
self.objects.append(image)
image = ImageObject('arrows.png')
image.rect.left = 49
image.rect.top = 75
image.surface_to_draw = pygame.transform.flip(
image.surface_to_draw, False, True)
self.objects.append(image)
label = LabelObject('But watch out for', 18)
label.rect.left = 120
label.rect.top = 240
self.objects.append(label)
label = LabelObject('THE BOSS!', 28)
label.rect.left = 350
label.rect.top = 235
self.objects.append(label)
label = LabelObject('You must kill him before he shows', 18)
label.rect.left = 200
label.rect.top = 340
self.objects.append(label)
label = LabelObject('9 TIMES', 68)
label.rect.left = 240
label.rect.top = 370
self.objects.append(label)
image = ImageObject('boss.png')
image.rect.left = 39
image.rect.top = 300
self.objects.append(image)
self.objects.append(image)
for element in self.objects:
element.draw_on_surface(surface)
buffer = pygame.image.tostring(surface, 'RGB')
self.buffer = buffer
self.buffer_size = surface.get_size()
def process_inputs(self, events):
for event in events:
if event.type == KEYDOWN:
self.switch_board = True
def is_time_to_switch_board(self):
return self.switch_board
def get_next_board(self):
return SwitchBoard(self.buffer, self.buffer_size, GameBoard())