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# -*- coding: utf-8 -*-
"""
Manages the main game.
Created on Tue Sep 24 13:54:20 2013
@author: laurent-bernabe
"""
from gi.repository import Gtk
import pygame
from random import randint
from sys import exit
from pygame.locals import QUIT, USEREVENT, MOUSEBUTTONUP
from elements_painter import paint_ball, paint_time_bar, paint_result_bar,\
paint_results
from time_bar import TimeBar
from result_bar import ResultBar
from game_state import GameState
from balls_generator import BallsGenerator
import balls_collision
def get_result_at_pos(point, balls_list):
"""
Returns the result of the ball located at point (from the balls_list)
and its index in the balls_list,
if any, else returns None.
point : point to test => tuple of 2 integers
balls_list : list of balls to test => list of Ball
=> dictionnary with "result" key => value : integer
"index" key => value : integer
"""
for ball_index in range(len(balls_list)):
ball = balls_list[ball_index]
if ball.contains(point):
return {"result": ball.get_operation().get_result(),
"index": ball_index}
return None
def all_target_balls_destroyed(target_result, balls_list):
"""
Says whether all target ball, those with the expected result, have been
removed from the given list.
target_result : expected result => integer
balls_list : list of balls => list of Ball
=> Boolean
"""
for ball in balls_list:
if ball.is_visible() \
and ball.get_operation().get_result() == target_result:
return False
return True
def play_game(time_seconds, operations_config):
""" The main game routine
time_seconds : time limit in seconds => integer
operations_config : configurations for the wanted operations => list of
OperationConfig.
"""
pygame.init()
LEFT_BUTTON = 1
FPS = 40
BACKGROUND = (255, 255, 255)
TIME_BAR_HEIGHT = 20
BLACK = (0, 0, 0)
BLUE = (0, 0, 255)
YELLOW = (255, 255, 0)
RED = (255, 0, 0)
DARK_GREEN = (0, 100, 0)
GRAY = (200, 200, 200)
screen = pygame.display.get_surface()
if not(screen):
size = (600, 400)
screen = pygame.display.set_mode(size)
pygame.display.set_caption("Hit the balls")
else:
size = screen.get_size()
clock = pygame.time.Clock()
font = pygame.font.Font(None, 40)
end_font = pygame.font.Font(None, 90)
END_TXT_POS = (int(size[0] / 4)), int(size[1] / 2.6)
game_state = GameState.NORMAL
result_bar = ResultBar(font, txt_color=YELLOW, bg_color=RED,
header="Hit the ball(s) with result : ",
width=size[0])
RESULT_BAR_HEIGHT = result_bar.get_height()
time_bar = TimeBar(size[0], TIME_BAR_HEIGHT, DARK_GREEN, GRAY,
lftp_edge=(0, RESULT_BAR_HEIGHT))
# Don't forget that it will take time argument * 10 milliseconds
time_bar.start(time_seconds * 100, 1)
balls_area = (0, TIME_BAR_HEIGHT + RESULT_BAR_HEIGHT, size[0], size[1])
the_balls = BallsGenerator().generate_list(5, operations_config,
balls_area, font, BLACK)
result_index = randint(1, len(the_balls)) - 1
target_result = the_balls[result_index].get_operation().get_result()
result_bar.set_result(target_result)
balls_collision.place_balls(the_balls, balls_area)
show_status = True
pygame.time.set_timer(USEREVENT + 2, 800)
while True:
pygame.display.update()
screen.fill(BACKGROUND)
paint_result_bar(result_bar, screen)
paint_time_bar(time_bar, screen)
if game_state == GameState.NORMAL:
for ball in the_balls:
paint_ball(ball, screen)
while Gtk.events_pending():
Gtk.main_iteration()
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
exit()
elif event.type == USEREVENT + 1:
time_bar.decrease()
if time_bar.is_empty():
game_state = GameState.LOST
elif event.type == MOUSEBUTTONUP:
if event.button == LEFT_BUTTON:
event_pos = event.pos
clicked_ball = get_result_at_pos(event_pos, the_balls)
if clicked_ball is not None:
if clicked_ball["result"] == target_result:
the_balls[clicked_ball["index"]].hide()
if all_target_balls_destroyed(
target_result, the_balls):
game_state = GameState.WON
else:
game_state = GameState.LOST
clock.tick(FPS)
for ball in the_balls:
ball.move()
balls_collision.manage_colliding_balls(the_balls)
else:
paint_results(balls_area, the_balls, screen)
# Blinks the status text.
if show_status:
if game_state == GameState.WON:
end_txt = "Success !"
else:
end_txt = "Failure !"
end_txt_surface = end_font.render(end_txt, 1, BLUE, RED)
screen.blit(end_txt_surface, END_TXT_POS)
while Gtk.events_pending():
Gtk.main_iteration()
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
exit()
elif event.type == USEREVENT + 2:
show_status = not show_status
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