class GameScreen:
""" Game screen, were the game starts """
def __init__(self, hub):
""" Initializing default values """
self.game_hub = hub
# Initialize player ship: This will be remove as we will loading in levels soon
self.player_ship = Ship(self.game_hub)
# Create a group for bullets
self.bullets = Group()
# Create a group for enemies
self.enemies = Group()
self.enemy = Enemy(self.game_hub)
self.available_space_x = self.game_hub.WINDOW_WIDTH - 2 * self.enemy.rect.width
self.number_enemies_x = int(self.available_space_x /
(2 * self.enemy.rect.width))
self.number_of_rows = 3
# Create play button
self.play_button = Button(self.game_hub, "Play")
# Create score board
self.sb = ScoreBoard(self.game_hub)
def run(self):
self.run_event()
if not self.game_hub.game_mode.game_active:
self.play_button.draw()
else:
self.run_update()
self.run_draw()
def run_event(self):
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
sys.exit()
if event.type == KEYDOWN:
if event.key == K_ESCAPE:
pygame.quit()
sys.exit()
if event.key == K_a:
self.game_hub.controller['left'] = True
self.game_hub.controller['right'] = False
if event.key == K_d:
self.game_hub.controller['right'] = True
self.game_hub.controller['left'] = False
if event.key == K_SPACE:
self.add_bullet()
if event.key == K_t:
self.create_fleet()
if event.type == KEYUP:
if event.key == K_a:
self.game_hub.controller['left'] = False
if event.key == K_d:
self.game_hub.controller['right'] = False
if event.type == MOUSEBUTTONDOWN:
mouse_x, mouse_y = pygame.mouse.get_pos()
self.check_play_button(mouse_x, mouse_y)
def run_update(self):
self.player_ship.update()
self.update_bullets()
self.update_enemies()
self.update_collision()
def run_draw(self):
self.player_ship.draw()
self.sb.draw()
self.draw_bullets()
self.draw_enemies()
def add_bullet(self):
new_bullet = Bullet(self.game_hub, self.player_ship)
self.bullets.add(new_bullet)
self.game_hub.shoot_sound.play()
def update_bullets(self):
for bullet in self.bullets:
bullet.update()
if bullet.rect.top < 0:
self.bullets.remove(bullet)
def draw_bullets(self):
for bullet in self.bullets:
bullet.draw()
def create_fleet(self):
for enemy_number in range(self.number_enemies_x):
for number_row in range(self.number_of_rows):
# Create an alien and place it in the row
new_enemy = Enemy(self.game_hub)
new_enemy.rect.x = self.enemy.rect.width + 2 * self.enemy.rect.width * enemy_number
new_enemy.rect.y = self.enemy.rect.height + 2 * self.enemy.rect.height * number_row
self.enemies.add(new_enemy)
def update_enemies(self):
# Loop through all the enemies in the list
enemy_moved_down = False
# Update the enemy
for enemy in self.enemies:
# Update the enemy
enemy.update()
# Check if the enemy has hit the bottom of the screen.
if enemy.rect.top > self.game_hub.WINDOW_HEIGHT:
self.enemies.remove(enemy)
print(len(self.enemies))
# Check if the enemy collided with the player
if pygame.sprite.spritecollideany(self.player_ship, self.enemies):
self.ship_hit()
self.game_hub.enemy_dies_sound.play()
def draw_enemies(self):
for enemy in self.enemies:
enemy.draw()
def update_collision(self):
collisions = pygame.sprite.groupcollide(self.bullets, self.enemies,
True, True)
# No more enemies on the screen, increase level
if len(self.enemies) <= 0:
self.bullets.empty()
self.game_hub.game_mode.increase_speed()
self.create_fleet()
self.game_hub.game_mode.level += 1
self.sb.prep_level()
if collisions:
for enemies in collisions.values():
self.game_hub.game_mode.score += self.game_hub.game_mode.enemy_point_value * len(
enemies)
self.sb.prep_score()
self.game_hub.enemy_dies_sound.play()
self.check_high_score()
def ship_hit(self):
""" Respond to ship being hit by aliens"""
# Degrement ships left
self.game_hub.game_mode.player_lives -= 1
# Update scoreboard
self.sb.prep_ships()
# Empty the list of aliens and bullets
self.enemies.empty()
self.bullets.empty()
# Check if there is any lives left
if self.game_hub.game_mode.player_lives > 0:
# Create new fleet
self.create_fleet()
if self.game_hub.game_mode.player_lives <= 0:
self.game_hub.game_mode.game_active = False
pygame.mouse.set_visible(True)
# Pause
sleep(0.5)
def check_play_button(self, mouse_x, mouse_y):
if self.play_button.rect.collidepoint(mouse_x, mouse_y):
self.game_hub.game_mode.game_active = True
self.game_hub.game_mode.reset_stats()
self.sb.prep_score()
self.sb.prep_highscore()
self.sb.prep_level()
self.sb.prep_ships()
self.create_fleet()
pygame.mouse.set_visible(False)
def check_high_score(self):
""" Check to see if there's a new high score. """
if self.game_hub.game_mode.score > self.game_hub.game_mode.high_score:
self.game_hub.game_mode.high_score = self.game_hub.game_mode.score
self.sb.prep_highscore()
class GameScreen:
""" Game screen, were the game starts """
def __init__(self, hub):
""" Initializing default values """
self.hub = hub
self.screen = self.hub.main_screen
# Initialize player ship: This will be remove as we will loading in levels soon
self.player_ship = Ship(self.hub)
# Create a group for bullets
self.bullets = Group()
# Create a group for enemies
self.enemies = Group()
# Create a group for player destruction
self.destructions = Group()
# Create a group for enemy destruction
self.enemy_destructions = Group()
# Create a group for random ufos
self.ufos = Group()
# Create a group for walls
self.walls = Group()
# Wall is only initialize onced during the entire game.
self.create_walls()
# Create enemy bullets when spawned
self.enemy_bullets = Group()
# Get a test enemy to get size and width
self.enemy = Enemy(self.hub)
self.available_space_x = self.hub.WINDOW_WIDTH - 2 * self.enemy.rect.width
self.number_enemies_x = int(self.available_space_x / (2 * self.enemy.rect.width))
self.number_of_rows = 3
# Create score board
self.sb = ScoreBoard(self.hub)
# Background Image
self.bg_image = pygame.image.load('imgs/Backgrounds/black.png')
self.bg_image = pygame.transform.scale(self.bg_image, (self.hub.WINDOW_WIDTH, self.hub.WINDOW_HEIGHT))
self.bg_rect = self.bg_image.get_rect()
def run(self):
self.run_event()
self.run_update()
self.run_draw()
def run_event(self):
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
sys.exit()
if event.type == KEYDOWN:
if event.key == K_ESCAPE:
pygame.quit()
sys.exit()
if event.key == K_a:
self.hub.controller['left'] = True
self.hub.controller['right'] = False
if event.key == K_d:
self.hub.controller['right'] = True
self.hub.controller['left'] = False
if event.key == K_SPACE:
self.hub.controller['shooting'] = True
if event.key == K_t:
self.create_fleet()
if event.type == KEYUP:
if event.key == K_a:
self.hub.controller['left'] = False
if event.key == K_d:
self.hub.controller['right'] = False
if event.key == K_SPACE:
self.hub.controller['shooting'] = False
def run_update(self):
# add ufo
random_ufo = random.randint(0, 500)
if random_ufo is 0:
print('ufo spawned')
ufo = UfoEnemy(self.hub)
self.ufos.add(ufo)
if self.hub.controller['shooting'] is True and pygame.time.get_ticks() > self.hub.nextShot:
self.hub.nextShot = pygame.time.get_ticks() + self.hub.delayShot
self.add_bullet()
self.player_ship.update()
self.update_bullets()
self.update_enemies()
self.update_enemy_bullets()
self.update_player_destruction()
self.update_enemy_destruction()
self.update_ufos()
def run_draw(self):
self.screen.blit(self.bg_image, self.bg_rect)
self.draw_walls()
self.player_ship.draw()
self.draw_bullets()
self.draw_enemies()
self.enemy_bullets.draw(self.screen)
self.draw_player_destruction()
self.draw_enemy_destruction()
self.draw_ufos()
self.sb.draw()
def add_bullet(self):
new_bullet = Bullet(self.hub, self.player_ship)
self.bullets.add(new_bullet)
self.hub.shoot_sound.play()
def update_bullets(self):
for bullet in self.bullets:
bullet.update()
if bullet.rect.top < 0:
self.bullets.remove(bullet)
self.update_bullet_collision()
def draw_bullets(self):
for bullet in self.bullets:
bullet.draw()
def create_fleet(self):
for enemy_number in range(self.number_enemies_x):
for number_row in range(self.number_of_rows):
# Create an alien and place it in the row
random_number = random.randint(0, 2)
if random_number is 0:
new_enemy = Enemy(self.hub)
elif random_number is 1:
new_enemy = EnemyTwo(self.hub)
elif random_number is 2:
new_enemy = EnemyThree(self.hub)
else:
new_enemy = Enemy(self.hub)
new_enemy.rect.x = self.enemy.rect.width + 2 * self.enemy.rect.width * enemy_number
new_enemy.rect.y = self.enemy.rect.height + 2 * self.enemy.rect.height * number_row
self.enemies.add(new_enemy)
def create_walls(self):
# Create left wall
for i in range (0, 15):
for j in range (0 ,5):
wall = Wall(self.hub)
wall.rect.x = (wall.rect.width * i) + 100
wall.rect.y = (self.screen.get_rect().height - 200) + (wall.rect.height * j)
self.walls.add(wall)
# Create middle right wall
for i in range (0, 15):
for j in range (0, 5):
wall = Wall(self.hub)
wall.rect.x = (wall.rect.width * i) + self.screen.get_rect().centerx + 150
wall.rect.y = (self.screen.get_rect().height - 200) + (wall.rect.height * j)
self.walls.add(wall)
# Create middle middle wall
for i in range (0, 8):
for j in range (0, 5):
wall = Wall(self.hub)
wall.rect.x = (wall.rect.width * i) + self.screen.get_rect().centerx
wall.rect.y = (self.screen.get_rect().height - 200) + (wall.rect.height * j)
self.walls.add(wall)
for j in range(0, 5):
wall = Wall(self.hub)
wall.rect.x = self.screen.get_rect().centerx - (wall.rect.width * i)
wall.rect.y = (self.screen.get_rect().height - 200) + (wall.rect.height * j)
self.walls.add(wall)
# Create middle left wall
for i in range (0, 15):
for j in range (0, 5):
wall = Wall(self.hub)
wall.rect.x = self.screen.get_rect().centerx - 150 - (wall.rect.width * i)
wall.rect.y = (self.screen.get_rect().height - 200) + (wall.rect.height * j)
self.walls.add(wall)
# Create right wall
for i in range (0, 15):
for j in range (0, 5):
wall = Wall(self.hub)
wall.rect.x = self.screen.get_rect().width - 100 - (wall.rect.width * i)
wall.rect.y = (self.screen.get_rect().height - 200) + (wall.rect.height * j)
self.walls.add(wall)
def update_enemies(self):
# Loop through all the enemies in the list
# Update the enemy
for enemy in self.enemies:
# Update the enemy
enemy.update()
# Check if the enemy has hit the bottom of the screen.
if enemy.rect.top > self.hub.WINDOW_HEIGHT:
self.enemies.remove(enemy)
print(len(self.enemies))
# Check if the enemy collided with the player
if pygame.sprite.spritecollideany(self.player_ship, self.enemies):
self.ship_hit()
self.hub.enemy_dies_sound.play()
def draw_enemies(self):
for enemy in self.enemies:
enemy.draw()
def update_bullet_collision(self):
collisions = pygame.sprite.groupcollide(self.bullets, self.enemies, True, True)
# No more enemies on the screen, increase level
if len(self.enemies) <= 0:
self.bullets.empty()
self.hub.game_mode.increase_speed()
self.create_fleet()
self.hub.game_mode.level += 1
self.sb.prep_level()
# Enemies has been hit
if collisions:
for enemies in collisions.values():
self.hub.game_mode.score += self.hub.game_mode.enemy_point_value * len(enemies)
self.hub.enemy_dies_sound.play()
# add enemy destruction
for enemy in enemies:
self.hub.game_mode.score += enemy.value
destruction = ShipDestruction(self.hub, enemy, type='enemy')
self.enemy_destructions.add(destruction)
self.sb.prep_score()
self.check_high_score()
# Ufo has been hit
collisions = pygame.sprite.groupcollide(self.bullets, self.ufos, True, True)
if collisions:
for ufos in collisions.values():
for ufo in ufos:
self.hub.game_mode.score += ufo.value
def ship_hit(self):
""" Respond to ship being hit by aliens"""
# Decrement ships left
self.hub.game_mode.player_lives -= 1
# Update scoreboard
self.sb.prep_ships()
# Empty the list of aliens and bullets
self.enemies.empty()
self.bullets.empty()
self.enemy_bullets.empty()
# Check if there is any lives left
if self.hub.game_mode.player_lives > 0:
# Create new fleet
self.create_fleet()
# Game Over
if self.hub.game_mode.player_lives <= 0:
self.hub.screen_mode = self.hub.screen_type['MainMenuScreen']
pygame.mouse.set_visible(True)
self.add_score()
# Pause
sleep(0.5)
def check_high_score(self):
""" Check to see if there's a new high score. """
if self.hub.game_mode.score > self.hub.game_mode.high_score:
self.hub.game_mode.high_score = self.hub.game_mode.score
self.sb.prep_highscore()
def add_score(self):
# At the end of the game, we add the score to the score board.
score_list = self.hub.high_score_board
score = self.hub.game_mode.score
self.hub.high_score_board.sort(reverse=True)
if len(score_list) is 10:
if score > score_list[-1]:
score_list[-1] = score
self.hub.high_score_board.sort(reverse=True)
else:
score_list.append(score)
self.hub.high_score_board.sort(reverse=True)
def update_enemy_bullets(self):
# Remove the enemy bullets from the game if it reaches the bottom of the screen
for enemy in self.enemy_bullets:
enemy.update()
if enemy.check_boundaries():
self.enemy_bullets.remove()
self.update_enemy_bullets_collision()
def update_enemy_bullets_collision(self):
""" Checks if the player is hit by the enemy's bullet """
for bullet in self.enemy_bullets:
if bullet.rect.colliderect(self.player_ship) and self.hub.game_mode.death is False:
self.hub.game_mode.death = True
destruction = ShipDestruction(self.hub, self.player_ship)
self.destructions.add(destruction)
break
collisions = pygame.sprite.groupcollide(self.enemy_bullets, self.walls, True, True)
collisions = pygame.sprite.groupcollide(self.bullets, self.walls, True, True)
def draw_player_destruction(self):
for destruction in self.destructions:
destruction.draw()
def update_player_destruction(self):
for destruction in self.destructions:
destruction.update()
if destruction.check_if_finished():
self.ship_hit()
def draw_enemy_destruction(self):
for destruction in self.enemy_destructions:
destruction.draw()
def update_enemy_destruction(self):
for destruction in self.enemy_destructions:
destruction.check_if_finished()
destruction.update()
def update_ufos(self):
for ufo in self.ufos:
ufo.update()
if ufo.check_boundaries():
self.ufos.remove(ufo)
def draw_ufos(self):
for ufo in self.ufos:
ufo.draw()
def draw_walls(self):
for wall in self.walls:
wall.draw()
