Mercurial > rinkhals
annotate gamelib/engine.py @ 94:fa8d8fc1bf5b
Added some sounds
author | David Fraser <davidf@sjsoft.com> |
---|---|
date | Wed, 02 Sep 2009 11:25:42 +0000 |
parents | db78e8b1f8b0 |
children | 725b292ca07b |
rev | line source |
---|---|
11
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
1 """Game engine and states.""" |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
2 |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
3 from pgu.engine import Game, State, Quit |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
4 import pygame |
31
3c4db7bba432
Add 's' as a key for starting the game from the menu.
Simon Cross <hodgestar@gmail.com>
parents:
30
diff
changeset
|
5 from pygame.locals import USEREVENT, QUIT, KEYDOWN, K_ESCAPE, K_n, K_d, K_s |
11
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
6 |
12
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
7 import gameboard |
94 | 8 import sound |
12
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
9 |
11
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
10 class Engine(Game): |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
11 def __init__(self, main_menu_app): |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
12 self.main_menu_app = main_menu_app |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
13 self.clock = pygame.time.Clock() |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
14 |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
15 def tick(self): |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
16 """Tic toc.""" |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
17 pygame.time.wait(10) |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
18 |
12
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
19 def create_game_board(self): |
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
20 self.gameboard = gameboard.GameBoard() |
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
21 |
11
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
22 class MainMenuState(State): |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
23 def event(self, e): |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
24 if events_equal(e, START_DAY): |
12
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
25 self.game.create_game_board() |
11
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
26 return DayState(self.game) |
31
3c4db7bba432
Add 's' as a key for starting the game from the menu.
Simon Cross <hodgestar@gmail.com>
parents:
30
diff
changeset
|
27 elif e.type is KEYDOWN: |
3c4db7bba432
Add 's' as a key for starting the game from the menu.
Simon Cross <hodgestar@gmail.com>
parents:
30
diff
changeset
|
28 if e.key == K_ESCAPE: |
3c4db7bba432
Add 's' as a key for starting the game from the menu.
Simon Cross <hodgestar@gmail.com>
parents:
30
diff
changeset
|
29 return Quit(self.game) |
3c4db7bba432
Add 's' as a key for starting the game from the menu.
Simon Cross <hodgestar@gmail.com>
parents:
30
diff
changeset
|
30 elif e.key == K_s: |
3c4db7bba432
Add 's' as a key for starting the game from the menu.
Simon Cross <hodgestar@gmail.com>
parents:
30
diff
changeset
|
31 self.game.create_game_board() |
3c4db7bba432
Add 's' as a key for starting the game from the menu.
Simon Cross <hodgestar@gmail.com>
parents:
30
diff
changeset
|
32 return DayState(self.game) |
11
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
33 elif e.type is not QUIT: |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
34 self.game.main_menu_app.event(e) |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
35 |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
36 def paint(self, screen): |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
37 screen.fill((0,0,0)) |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
38 self.game.main_menu_app.paint(screen) |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
39 pygame.display.flip() |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
40 |
15
b69d954f2f1d
Add update call to main menu event
Neil Muller <drnlmuller@gmail.com>
parents:
14
diff
changeset
|
41 def update(self, screen): |
b69d954f2f1d
Add update call to main menu event
Neil Muller <drnlmuller@gmail.com>
parents:
14
diff
changeset
|
42 update = self.game.main_menu_app.update(screen) |
b69d954f2f1d
Add update call to main menu event
Neil Muller <drnlmuller@gmail.com>
parents:
14
diff
changeset
|
43 pygame.display.update(update) |
b69d954f2f1d
Add update call to main menu event
Neil Muller <drnlmuller@gmail.com>
parents:
14
diff
changeset
|
44 |
11
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
45 class DayState(State): |
25
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
46 def init(self): |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
47 """Add some chickens to the farm""" |
30 | 48 self.game.gameboard.tv.sun(True) |
49 | |
94 | 50 sound.play_sound("chicken5.ogg") |
29 | 51 # disable timer |
52 pygame.time.set_timer(MOVE_FOX_ID, 0) | |
25
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
53 self.game.gameboard.clear_foxes() |
69
18db99fda6bd
Move spawing code from engine to gameboard - seems more natural.
Neil Muller <drnlmuller@gmail.com>
parents:
31
diff
changeset
|
54 self.game.gameboard.update_chickens() |
25
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
55 |
11
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
56 def event(self, e): |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
57 if events_equal(e, START_NIGHT): |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
58 return NightState(self.game) |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
59 elif e.type is KEYDOWN and e.key == K_ESCAPE: |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
60 return MainMenuState(self.game) |
25
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
61 elif e.type is KEYDOWN and e.key == K_n: |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
62 return pygame.event.post(START_NIGHT) |
11
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
63 elif events_equal(e, GO_MAIN_MENU): |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
64 return MainMenuState(self.game) |
14 | 65 elif e.type is not QUIT: |
66 self.game.gameboard.event(e) | |
11
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
67 |
12
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
68 def paint(self, screen): |
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
69 self.game.gameboard.paint(screen) |
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
70 pygame.display.flip() |
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
71 |
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
72 def update(self, screen): |
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
73 update = self.game.gameboard.update(screen) |
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
74 pygame.display.update(update) |
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
75 |
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
76 def loop(self): |
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
77 self.game.gameboard.loop() |
8a7319e4853a
Hooked in the game board.
Jeremy Thurgood <firxen@gmail.com>
parents:
11
diff
changeset
|
78 |
11
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
79 class NightState(State): |
25
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
80 def init(self): |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
81 """Add some foxes to the farm""" |
30 | 82 self.game.gameboard.tv.sun(False) |
83 | |
29 | 84 # Add a timer to the event queue |
85 self.cycle_count = 0 | |
69
18db99fda6bd
Move spawing code from engine to gameboard - seems more natural.
Neil Muller <drnlmuller@gmail.com>
parents:
31
diff
changeset
|
86 pygame.time.set_timer(MOVE_FOX_ID, 200) |
18db99fda6bd
Move spawing code from engine to gameboard - seems more natural.
Neil Muller <drnlmuller@gmail.com>
parents:
31
diff
changeset
|
87 self.game.gameboard.spawn_foxes() |
25
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
88 |
11
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
89 def event(self, e): |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
90 if events_equal(e, START_DAY): |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
91 return DayState(self.game) |
25
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
92 elif e.type is KEYDOWN and e.key == K_d: |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
93 return pygame.event.post(START_DAY) |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
94 elif e.type is KEYDOWN and e.key == K_ESCAPE: |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
95 return MainMenuState(self.game) |
29 | 96 elif e.type is MOVE_FOX_ID: |
97 self.cycle_count += 1 | |
91
db78e8b1f8b0
Make night length a more easily discoverable parameter
Neil Muller <drnlmuller@gmail.com>
parents:
69
diff
changeset
|
98 if self.cycle_count > NIGHT_LENGTH: |
29 | 99 return pygame.event.post(START_DAY) |
100 return self.game.gameboard.move_foxes() | |
25
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
101 elif e.type is not QUIT: |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
102 self.game.gameboard.event(e) |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
103 |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
104 def loop(self): |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
105 self.game.gameboard.loop() |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
106 |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
107 def paint(self, screen): |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
108 self.game.gameboard.paint(screen) |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
109 pygame.display.flip() |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
110 |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
111 def update(self, screen): |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
112 update = self.game.gameboard.update(screen) |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
113 pygame.display.update(update) |
6d6ab0c1479d
Add placing some chickens and foxes
Neil Muller <drnlmuller@gmail.com>
parents:
15
diff
changeset
|
114 |
11
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
115 # pygame events |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
116 |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
117 def events_equal(e1, e2): |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
118 """Compare two user events.""" |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
119 return (e1.type is e2.type and e1.name == e2.name) |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
120 |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
121 START_DAY = pygame.event.Event(USEREVENT, name="START_DAY") |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
122 START_NIGHT = pygame.event.Event(USEREVENT, name="START_NIGHT") |
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
123 GO_MAIN_MENU = pygame.event.Event(USEREVENT, name="GO_MAIN_MENU") |
29 | 124 MOVE_FOX_ID = USEREVENT + 1 |
125 MOVE_FOXES = pygame.event.Event(MOVE_FOX_ID, name="MOVE_FOXES") | |
11
5d58a5b13731
Extremely rudimentary game engine.
Simon Cross <hodgestar@gmail.com>
parents:
diff
changeset
|
126 QUIT = pygame.event.Event(QUIT) |
91
db78e8b1f8b0
Make night length a more easily discoverable parameter
Neil Muller <drnlmuller@gmail.com>
parents:
69
diff
changeset
|
127 NIGHT_LENGTH = 150 |