83 lines
2.9 KiB
Python
83 lines
2.9 KiB
Python
###########################################
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# Created on 1-7-2013. Miguel Angel Astor #
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###########################################
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import pygame
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try:
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import android
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except ImportError:
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android = None
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import player
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from state import VALID_STATES
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from intro import IntroState
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from menu import MenuState
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from ingame import InGameState
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from score import ScoreState
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from constants import DEBUG
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# The Game class implements the state machine of the game and
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# runs the main game loop.
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class Game:
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def __init__(self, screen):
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""" Sets the rendering canvas and the intial state. """
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self.canvas = screen
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self.current_state = VALID_STATES['INTRO']
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self.done = False
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self.clock = pygame.time.Clock()
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# Initialize the different game states.
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intro = IntroState()
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menu = MenuState()
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in_game = InGameState()
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score = ScoreState()
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# Create a states list.
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self.state_vector = [intro, menu, in_game, score]
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def get_state(self):
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""" Returns the current state of the game. """
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if self.current_state == VALID_STATES['INTRO']:
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return "INTRO"
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elif self.current_state == VALID_STATES['MENU']:
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return "MENU"
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elif self.current_state == VALID_STATES['IN_GAME']:
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return "IN_GAME"
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elif self.current_state == VALID_STATES['SCORE']:
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return "SCORE"
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elif self.current_state == VALID_STATES['QUIT']:
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return "QUIT"
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else:
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return "NOT_VALID"
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def game_loop(self):
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""" The main game loop. """
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while not self.done:
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# Get user input first.
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self.state_vector[self.current_state].input()
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# Then update the game state.
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transition = self.state_vector[self.current_state].update()
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# Check if a state transition is required.
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if transition != VALID_STATES['STAY']:
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if transition == VALID_STATES['INTRO']:
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self.current_state = VALID_STATES['INTRO']
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elif transition == VALID_STATES['MENU']:
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self.current_state = VALID_STATES['MENU']
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elif transition == VALID_STATES['IN_GAME']:
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self.current_state = VALID_STATES['IN_GAME']
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elif transition == VALID_STATES['SCORE']:
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self.current_state = VALID_STATES['SCORE']
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elif transition == VALID_STATES['QUIT']:
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self.done = True
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self.current_state = VALID_STATES['QUIT']
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else:
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self.current_state = VALID_STATES['NOT_VALID']
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if DEBUG:
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print self.get_state()
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# If the game is not over, render the current state.
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if not self.done:
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self.state_vector[self.current_state].render(self.canvas)
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pygame.display.update()
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self.clock.tick(60)
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