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#! /usr/bin/env python
"""
Creates a game with maze and sprites and updates game
@license: U{http://creativecommons.org/licenses/by-sa/3.0/us/}
@var done: when game is done it will equal true
@var MAZE_SIZE: size of maze
@var MAZE_DRAW_FRAME: size of maze to be drawn
"""
from pacmanMovement import pacmanMovement
from GhostMovement import ghostMovement
from mazeSetup import mazeSetup
from questionGenerator import questionGenerator
from question import question
import pygame
import sys
# GAME VARIABLES
MAZE_SIZE = 25
MAZE_DRAW_FRAME = 25
BASE_LIVES = 3
class gameMain:
def __init__(self):
"""
Constructor
"""
# everything for setting up the game
temp = 0
pygame.init()
pygame.key.set_repeat(10, 50)
# make the screen however big the maze (maze needs to 625 by 625) is
self.screen = pygame.display.set_mode((900, 700))
# if olpcgames.ACTIVITY:
# size = olpcgames.ACTIVITY.game_size
pygame.display.set_caption('PacMath')
self.screen.fill((0,0,0))
self.questGen = questionGenerator( 'x', 2, 12 )
self.lives = BASE_LIVES
self.score = 0
def resetQuestion(self):
self.maze = mazeSetup(self.screen, MAZE_SIZE) # create an instance of the
# maze->call the constructor
self.QandA = question(self.screen, self.questGen.getQuestionSet())
self.ghost1 = ghostMovement((self.screen.get_rect().x, self.screen.get_rect().y), 0, self.QandA.questions[0])
self.ghost2 = ghostMovement((self.screen.get_rect().x, self.screen.get_rect().y), 1, self.QandA.questions[1])
self.ghost3 = ghostMovement((self.screen.get_rect().x, self.screen.get_rect().y), 2, self.QandA.questions[2])
self.ghost4 = ghostMovement((self.screen.get_rect().x, self.screen.get_rect().y), 3, self.QandA.questions[3])
self.pacman = pacmanMovement((self.screen.get_rect().x, self.screen.get_rect().y))
self.ghosts = [ self.ghost1, self.ghost2, self.ghost3, self.ghost4 ]
self.wrongGhosts = pygame.sprite.Group()
self.correctGhosts = pygame.sprite.Group()
for i in range(len(self.ghosts)):
if not (i == self.QandA.getAnswerIndex() ):
self.wrongGhosts.add( self.ghosts[i] )
else:
self.correctGhosts.add( self.ghosts[i] )
def update(self, event):
"""
Updates the maze and sprites given an event
@param event: directional key
@param frame: frame where game is held
"""
alreadyCollided = False
# anything the needs to be update in the game loop
# such as the players, screen.blit, etc.
ghostMovement.update(self.ghost1, self.screen, MAZE_SIZE, self.maze)
ghostMovement.update(self.ghost2, self.screen, MAZE_SIZE, self.maze)
ghostMovement.update(self.ghost3, self.screen, MAZE_SIZE, self.maze)
ghostMovement.update(self.ghost4, self.screen, MAZE_SIZE, self.maze)
alreadyCollided = self.checkCollisions()
pacmanMovement.update(self.pacman, self.screen, event, MAZE_SIZE, self.maze)
if not alreadyCollided:
self.checkCollisions()
pygame.display.update()
def checkCollisions(self):
for ghost in pygame.sprite.spritecollide(self.pacman, self.correctGhosts, True):
self.score += 100
self.resetQuestion()
self.QandA.updateLives(self.screen, self.lives)
self.QandA.updateScore(self.screen, self.score)
return True
for ghost in pygame.sprite.spritecollide(self.pacman, self.wrongGhosts, False):
self.score -= 50
self.lives -= 1
if self.lives < 0:
print "GAME OVER"
else:
self.QandA.updateLives(self.screen, self.lives)
self.QandA.updateScore(self.screen, self.score)
return True
return False
def pause(self):
"""
Places the pause overlay over the game screen
"""
self.QandA.drawPaused(self.screen)
def unpause(self):
self.QandA.drawQuestion(self.screen)
def loop(self):
done = False
paused = False
self.resetQuestion()
self.QandA.updateScore(self.screen, self.score)
self.QandA.updateLives(self.screen, self.lives)
while done == False:
for event in pygame.event.get():
if event.type == pygame.QUIT:
done = True
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
done = True
elif event.key == pygame.K_p:
if paused:
paused = False
game.unpause()
else:
paused = True
game.pause()
pygame.time.delay(150)
# slow things down
if not paused:
pygame.time.delay(150)
game.update(event)
# once we exit the game loop we exit the game
sys.exit()
############ END GAMEMAIN CLASS, STARTING CODE HERE ###########
game = gameMain()
game.loop()
sys.exit()
# GAME LOOP
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