pauseMenuResume = Image.get('PauseMenuResume')
pauseMenuRestart = Image.get('PauseMenuRestart')
pauseMenuExit = Image.get('PauseMenuExit')
gameOverRetry = Image.get('GameOverRetry')
gameOverExit = Image.get('GameOverExit')
highScoreBackground = Image.get('HighScoreBackground')
highScoresFile = open('scores.txt', 'r+')
sidebar = Sidebar()
game = Engine(screen, sidebar)
Enemy.setSidebar(sidebar)
player = Player(game)
# Initializing stuff on boot
clock = pygame.time.Clock()
game.frame = 0
gameOpen = True
currentMenuScreen = mainMenuNewGame
currentPauseScreen = pauseMenuResume
currentQuitScreen = gameOverRetry
screenSelect = [True, False]
pauseSelect = [True, False, False]
quitSelect = [True, False]
highScores = []
for score in highScoresFile:
highScores.append(score)
scoresFont = pygame.font.SysFont("monospace", 18)
def gameOverScreen():
currentQuitScreen = gameOverRetry
class Game(object):
"""Game logic class.
Manage all the logics related with single and multi games."""
def __init__(self):
# First tank is always the player tank
self.tanks = []
self.shoots = []
self.gametype = GAMETYPE_SINGLE
def single(self):
"""Starts a single player mode."""
# Prepare pygame, screen and clock.
pygame.init()
self.engine = Engine()
self.screen_size = self.engine.screen_size
self.clock = pygame.time.Clock()
# Used by the keyboard input filter
self.player_keys = [False, False, False, False]
# Spawns the player tank in the upper-left corner.
player_tank = Tank(
self,
[TANK_RADIUS + TANK_MARGIN, TANK_RADIUS + TANK_MARGIN],
FACING_EAST,
SPRITE_PLAYER
)
# Spawns a single enemy in the bottom-right corner.
enemy_tank = Tank(
self,
[self.screen_size[0] - TANK_RADIUS + TANK_MARGIN,
self.screen_size[1] - TANK_RADIUS + TANK_MARGIN],
FACING_WEST,
SPRITE_ENEMY
)
# Append the tanks and start the game
self.tanks.append(player_tank)
self.tanks.append(enemy_tank)
self.running = True
self.game_loop()
def game_loop(self):
"""Main game loop."""
while self.running:
self.manage_events()
self.update()
self.engine.frame()
self.clock.tick(GAME_TPS)
def update(self):
"""Update all the game entities (tick)."""
# Update tanks
for tank in self.tanks:
tank.update()
# Update shoots
for shoot in self.shoots:
shoot.update()
def manage_events(self):
"""Manage pygame events."""
for event in pygame.event.get():
if event.type == pygame.QUIT:
self.running = False
elif event.type == pygame.KEYDOWN or event.type == pygame.KEYUP:
self.keyboard_event(event)
def keyboard_event(self, event):
"""
Manage pygame events related with the keyboard.
Pretty UP DOWN LEFT RIGHT arrows filter here. The trick is done with
an instance variable holding the last status between key events.
"""
if event.type == pygame.KEYDOWN and event.key == pygame.K_SPACE:
if self.tanks[0].ball_reload < 1:
if self.tanks[0].orientation == FACING_EAST:
new_shoot = Shoot(
self,
[self.tanks[0].position[0] + TANK_RADIUS + 1,
self.tanks[0].position[1]],
FACING_EAST
)
elif self.tanks[0].orientation == FACING_SOUTH:
new_shoot = Shoot(
self,
[self.tanks[0].position[0],
self.tanks[0].position[1] + TANK_RADIUS + 1],
FACING_SOUTH
)
elif self.tanks[0].orientation == FACING_WEST:
new_shoot = Shoot(
self,
[self.tanks[0].position[0] - TANK_RADIUS + 1,
self.tanks[0].position[1]],
FACING_WEST
)
elif self.tanks[0].orientation == FACING_NORTH:
new_shoot = Shoot(
self,
[self.tanks[0].position[0],
self.tanks[0].position[1] - TANK_RADIUS + 1],
FACING_NORTH
)
self.tanks[0].ball_reload = BULLET_DELAY
self.shoots.append(new_shoot)
if event.type == pygame.KEYDOWN and (
event.key == pygame.K_RIGHT or
event.key == pygame.K_DOWN or
event.key == pygame.K_LEFT or
event.key == pygame.K_UP
):
if event.key == pygame.K_RIGHT:
self.tanks[0].orientation = FACING_EAST
self.player_keys[0] = True
if event.key == pygame.K_DOWN:
self.tanks[0].orientation = FACING_SOUTH
self.player_keys[1] = True
if event.key == pygame.K_LEFT:
self.tanks[0].orientation = FACING_WEST
self.player_keys[2] = True
if event.key == pygame.K_UP:
self.tanks[0].orientation = FACING_NORTH
self.player_keys[3] = True
if event.type == pygame.KEYUP and (
event.key == pygame.K_RIGHT or
event.key == pygame.K_DOWN or
event.key == pygame.K_LEFT or
event.key == pygame.K_UP
):
if event.key == pygame.K_RIGHT:
self.player_keys[0] = False
if event.key == pygame.K_DOWN:
self.player_keys[1] = False
if event.key == pygame.K_LEFT:
self.player_keys[2] = False
if event.key == pygame.K_UP:
self.player_keys[3] = False
if (self.player_keys[0] or self.player_keys[1] or
self.player_keys[2] or self.player_keys[3]):
if self.player_keys[0]:
self.tanks[0].orientation = FACING_EAST
elif self.player_keys[1]:
self.tanks[0].orientation = FACING_SOUTH
elif self.player_keys[2]:
self.tanks[0].orientation = FACING_WEST
elif self.player_keys[3]:
self.tanks[0].orientation = FACING_NORTH
if (
event.key == pygame.K_RIGHT or
event.key == pygame.K_DOWN or
event.key == pygame.K_LEFT or
event.key == pygame.K_UP
):
self.tanks[0].trust = (
self.player_keys[0] or self.player_keys[1] or
self.player_keys[2] or self.player_keys[3]
)
