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comparison gamelib/engine.py @ 11:5d58a5b13731

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Extremely rudimentary game engine.
author Simon Cross <hodgestar@gmail.com>
date Sun, 30 Aug 2009 15:11:44 +0000
parents
children 8a7319e4853a
comparison
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10:0ecf1e3ab087 11:5d58a5b13731
1 """Game engine and states."""
2
3 from pgu.engine import Game, State, Quit
4 import pygame
5 from pygame.locals import USEREVENT, QUIT, KEYDOWN, K_ESCAPE
6
7 class Engine(Game):
8 def __init__(self, main_menu_app):
9 self.main_menu_app = main_menu_app
10 self.clock = pygame.time.Clock()
11
12 def tick(self):
13 """Tic toc."""
14 pygame.time.wait(10)
15
16 class MainMenuState(State):
17 def event(self, e):
18 if events_equal(e, START_DAY):
19 return DayState(self.game)
20 elif e.type is KEYDOWN and e.key == K_ESCAPE:
21 return Quit(self.game)
22 elif e.type is not QUIT:
23 self.game.main_menu_app.event(e)
24
25 def paint(self, screen):
26 screen.fill((0,0,0))
27 self.game.main_menu_app.paint(screen)
28 pygame.display.flip()
29
30 class DayState(State):
31 def event(self, e):
32 if events_equal(e, START_NIGHT):
33 return NightState(self.game)
34 elif e.type is KEYDOWN and e.key == K_ESCAPE:
35 return MainMenuState(self.game)
36 elif events_equal(e, GO_MAIN_MENU):
37 return MainMenuState(self.game)
38
39 class NightState(State):
40 def event(self, e):
41 if events_equal(e, START_DAY):
42 return DayState(self.game)
43
44 # pygame events
45
46 def events_equal(e1, e2):
47 """Compare two user events."""
48 return (e1.type is e2.type and e1.name == e2.name)
49
50 START_DAY = pygame.event.Event(USEREVENT, name="START_DAY")
51 START_NIGHT = pygame.event.Event(USEREVENT, name="START_NIGHT")
52 GO_MAIN_MENU = pygame.event.Event(USEREVENT, name="GO_MAIN_MENU")
53 QUIT = pygame.event.Event(QUIT)