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annotate gamelib/engine.py @ 15:b69d954f2f1d

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Add update call to main menu event
author Neil Muller <drnlmuller@gmail.com>
date Sun, 30 Aug 2009 16:47:17 +0000
parents d7f295c06a4b
children 6d6ab0c1479d
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5d58a5b13731 Extremely rudimentary game engine.
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1 """Game engine and states."""
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2
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3 from pgu.engine import Game, State, Quit
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4 import pygame
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5 from pygame.locals import USEREVENT, QUIT, KEYDOWN, K_ESCAPE
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7 import gameboard
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8
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9 class Engine(Game):
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10 def __init__(self, main_menu_app):
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11 self.main_menu_app = main_menu_app
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12 self.clock = pygame.time.Clock()
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13
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14 def tick(self):
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15 """Tic toc."""
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16 pygame.time.wait(10)
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18 def create_game_board(self):
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19 self.gameboard = gameboard.GameBoard()
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20
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21 class MainMenuState(State):
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22 def event(self, e):
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23 if events_equal(e, START_DAY):
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24 self.game.create_game_board()
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25 return DayState(self.game)
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26 elif e.type is KEYDOWN and e.key == K_ESCAPE:
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27 return Quit(self.game)
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28 elif e.type is not QUIT:
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29 self.game.main_menu_app.event(e)
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30
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31 def paint(self, screen):
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32 screen.fill((0,0,0))
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33 self.game.main_menu_app.paint(screen)
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34 pygame.display.flip()
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35
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36 def update(self, screen):
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37 update = self.game.main_menu_app.update(screen)
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38 pygame.display.update(update)
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39
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40 class DayState(State):
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41 def event(self, e):
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42 if events_equal(e, START_NIGHT):
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43 return NightState(self.game)
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44 elif e.type is KEYDOWN and e.key == K_ESCAPE:
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45 return MainMenuState(self.game)
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46 elif events_equal(e, GO_MAIN_MENU):
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47 return MainMenuState(self.game)
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48 elif e.type is not QUIT:
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49 self.game.gameboard.event(e)
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50
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51 def paint(self, screen):
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52 self.game.gameboard.paint(screen)
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53 pygame.display.flip()
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54
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55 def update(self, screen):
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56 update = self.game.gameboard.update(screen)
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57 pygame.display.update(update)
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58
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59 def loop(self):
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60 self.game.gameboard.loop()
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61
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62 class NightState(State):
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63 def event(self, e):
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64 if events_equal(e, START_DAY):
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65 return DayState(self.game)
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66
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67 # pygame events
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68
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69 def events_equal(e1, e2):
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70 """Compare two user events."""
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71 return (e1.type is e2.type and e1.name == e2.name)
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72
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73 START_DAY = pygame.event.Event(USEREVENT, name="START_DAY")
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74 START_NIGHT = pygame.event.Event(USEREVENT, name="START_NIGHT")
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75 GO_MAIN_MENU = pygame.event.Event(USEREVENT, name="GO_MAIN_MENU")
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76 QUIT = pygame.event.Event(QUIT)