Mercurial > rinkhals
comparison gamelib/engine.py @ 11:5d58a5b13731
Extremely rudimentary game engine.
author | Simon Cross <hodgestar@gmail.com> |
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date | Sun, 30 Aug 2009 15:11:44 +0000 |
parents | |
children | 8a7319e4853a |
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10:0ecf1e3ab087 | 11:5d58a5b13731 |
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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) |