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comparison gamelib/engine.py @ 29:2e88c680672c

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Minimal fox raid logic
author Neil Muller <drnlmuller@gmail.com>
date Sun, 30 Aug 2009 18:46:46 +0000
parents 6d6ab0c1479d
children 2eec29085060
comparison
equal deleted inserted replaced
28:ac3a74352b74 29:2e88c680672c
2 2
3 from pgu.engine import Game, State, Quit 3 from pgu.engine import Game, State, Quit
4 import pygame 4 import pygame
5 from pygame.locals import USEREVENT, QUIT, KEYDOWN, K_ESCAPE, K_n, K_d 5 from pygame.locals import USEREVENT, QUIT, KEYDOWN, K_ESCAPE, K_n, K_d
6 6
7 from tiles import TILE_MAP
7 import gameboard 8 import gameboard
8 import animal 9 import animal
9 import random 10 import random
10 11
11 class Engine(Game): 12 class Engine(Game):
40 pygame.display.update(update) 41 pygame.display.update(update)
41 42
42 class DayState(State): 43 class DayState(State):
43 def init(self): 44 def init(self):
44 """Add some chickens to the farm""" 45 """Add some chickens to the farm"""
46 # disable timer
47 pygame.time.set_timer(MOVE_FOX_ID, 0)
45 # Very simple, we walk around the tilemap, and, for each farm tile, 48 # Very simple, we walk around the tilemap, and, for each farm tile,
46 # we randomly add a chicken (1 in 10 chance) until we have 5 chickens 49 # we randomly add a chicken (1 in 10 chance) until we have 5 chickens
47 # or we run out of board 50 # or we run out of board
48 self.game.gameboard.clear_foxes() 51 self.game.gameboard.clear_foxes()
49 chickens = len(self.game.gameboard.chickens) 52 chickens = len(self.game.gameboard.chickens)
57 if y >= height: 60 if y >= height:
58 break 61 break
59 x = 0 62 x = 0
60 continue 63 continue
61 # See if we place a chicken 64 # See if we place a chicken
62 if tile == 1: 65 if 'grassland' == TILE_MAP[tile]:
63 # Farmland 66 # Farmland
64 roll = random.randint(1, 10) 67 roll = random.randint(1, 20)
65 # We don't place within a tile of the fence, this is to make things 68 # We don't place within a tile of the fence, this is to make things
66 # easier 69 # easier
67 for xx in range(x-1, x+2): 70 for xx in range(x-1, x+2):
68 if xx >= height or xx < 0: 71 if xx >= height or xx < 0:
69 continue 72 continue
70 for yy in range(y-1, y+2): 73 for yy in range(y-1, y+2):
71 if yy >= height or yy < 0: 74 if yy >= height or yy < 0:
72 continue 75 continue
73 neighbour = self.game.gameboard.tv.get((xx, yy)) 76 neighbour = self.game.gameboard.tv.get((xx, yy))
74 if neighbour == 2: 77 if 'fence' == TILE_MAP[neighbour]:
75 # Fence 78 # Fence
76 roll = 10 79 roll = 10
77 if roll == 1: 80 if roll == 1:
78 # Create a chicken 81 # Create a chicken
79 chickens += 1 82 chickens += 1
105 self.game.gameboard.loop() 108 self.game.gameboard.loop()
106 109
107 class NightState(State): 110 class NightState(State):
108 def init(self): 111 def init(self):
109 """Add some foxes to the farm""" 112 """Add some foxes to the farm"""
113 # Add a timer to the event queue
114 self.cycle_count = 0
115 pygame.time.set_timer(MOVE_FOX_ID, 300)
110 # Very simple, we walk around the tilemap, and, for each farm tile, 116 # Very simple, we walk around the tilemap, and, for each farm tile,
111 # we randomly add a chicken (1 in 10 chance) until we have 5 chickens 117 # we randomly add a chicken (1 in 10 chance) until we have 5 chickens
112 # or we run out of board 118 # or we run out of board
113 foxes = len(self.game.gameboard.foxes) 119 foxes = len(self.game.gameboard.foxes)
114 x, y = 0, 0 120 x, y = 0, 0
121 if y >= height: 127 if y >= height:
122 break 128 break
123 x = 0 129 x = 0
124 continue 130 continue
125 # See if we place a fox 131 # See if we place a fox
126 if tile == 0: 132 if TILE_MAP[tile] == 'woodland':
127 # Forest 133 # Forest
128 roll = random.randint(1, 10) 134 roll = random.randint(1, 20)
129 if roll == 1: 135 if roll == 1:
130 # Create a fox 136 # Create a fox
131 foxes += 1 137 foxes += 1
132 fox = animal.Fox((x, y)) 138 fox = animal.Fox((x, y))
133 self.game.gameboard.add_fox(fox) 139 self.game.gameboard.add_fox(fox)
138 return DayState(self.game) 144 return DayState(self.game)
139 elif e.type is KEYDOWN and e.key == K_d: 145 elif e.type is KEYDOWN and e.key == K_d:
140 return pygame.event.post(START_DAY) 146 return pygame.event.post(START_DAY)
141 elif e.type is KEYDOWN and e.key == K_ESCAPE: 147 elif e.type is KEYDOWN and e.key == K_ESCAPE:
142 return MainMenuState(self.game) 148 return MainMenuState(self.game)
149 elif e.type is MOVE_FOX_ID:
150 self.cycle_count += 1
151 if self.cycle_count > 15:
152 return pygame.event.post(START_DAY)
153 return self.game.gameboard.move_foxes()
143 elif e.type is not QUIT: 154 elif e.type is not QUIT:
144 self.game.gameboard.event(e) 155 self.game.gameboard.event(e)
145 156
146 def loop(self): 157 def loop(self):
147 self.game.gameboard.loop() 158 self.game.gameboard.loop()
152 163
153 def update(self, screen): 164 def update(self, screen):
154 update = self.game.gameboard.update(screen) 165 update = self.game.gameboard.update(screen)
155 pygame.display.update(update) 166 pygame.display.update(update)
156 167
157
158 # pygame events 168 # pygame events
159 169
160 def events_equal(e1, e2): 170 def events_equal(e1, e2):
161 """Compare two user events.""" 171 """Compare two user events."""
162 return (e1.type is e2.type and e1.name == e2.name) 172 return (e1.type is e2.type and e1.name == e2.name)
163 173
164 START_DAY = pygame.event.Event(USEREVENT, name="START_DAY") 174 START_DAY = pygame.event.Event(USEREVENT, name="START_DAY")
165 START_NIGHT = pygame.event.Event(USEREVENT, name="START_NIGHT") 175 START_NIGHT = pygame.event.Event(USEREVENT, name="START_NIGHT")
166 GO_MAIN_MENU = pygame.event.Event(USEREVENT, name="GO_MAIN_MENU") 176 GO_MAIN_MENU = pygame.event.Event(USEREVENT, name="GO_MAIN_MENU")
177 MOVE_FOX_ID = USEREVENT + 1
178 MOVE_FOXES = pygame.event.Event(MOVE_FOX_ID, name="MOVE_FOXES")
167 QUIT = pygame.event.Event(QUIT) 179 QUIT = pygame.event.Event(QUIT)