Mercurial > rinkhals
annotate gamelib/engine.py @ 555:296c73dcd286
Add high score dialog to main menu.
author | Simon Cross <hodgestar@gmail.com> |
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date | Sat, 28 Nov 2009 17:53:42 +0000 |
parents | 27c09c58d89d |
children | 8cd13b82585e |
rev | line source |
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1 """Game engine and states.""" |
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2 from pgu.engine import Game, State, Quit |
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3 import pygame |
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4 from pygame.locals import USEREVENT, QUIT, KEYDOWN, K_ESCAPE, K_s, K_i |
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5 |
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6 import gameboard |
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7 import gameover |
94 | 8 import sound |
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9 import constants |
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10 import mainmenu |
179 | 11 import helpscreen |
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12 import level |
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13 |
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14 class Engine(Game): |
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15 def __init__(self, main_app, level_name): |
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16 self.main_app = main_app |
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17 self.clock = pygame.time.Clock() |
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18 self.level = level.Level(level_name) |
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19 self._open_window = None |
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20 self.gameboard = None |
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21 |
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22 def tick(self): |
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23 """Tic toc.""" |
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24 pygame.time.wait(10) |
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25 |
532 | 26 def load_new_level(self, new_level): |
27 self.level = new_level | |
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28 |
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29 def open_window(self, window): |
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30 """Open a widget as the main window.""" |
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31 if self._open_window is not None: |
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32 self.main_app.close(self._open_window) |
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33 self.main_app.open(window) |
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34 self._open_window = window |
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35 |
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36 def create_game_board(self): |
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37 """Create and open a gameboard window.""" |
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38 self.gameboard = gameboard.GameBoard(self.main_app, |
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39 self.level) |
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40 self.open_window(self.gameboard.get_top_widget()) |
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41 |
532 | 42 def switch_gameboard(self, new_gameboard): |
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43 """Switch over to a new gameboard.""" |
532 | 44 self.gameboard = new_gameboard |
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45 self.gameboard.disp = self.main_app |
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46 self.gameboard.create_display() |
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47 self.open_window(self.gameboard.get_top_widget()) |
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48 |
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49 def set_main_menu(self): |
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50 """Open the main menu""" |
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51 main_menu = mainmenu.make_main_menu(self.level) |
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52 self.open_window(main_menu) |
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53 |
179 | 54 def set_help_screen(self): |
55 """Open the main menu""" | |
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56 help_screen = helpscreen.make_help_screen(self.level) |
179 | 57 self.open_window(help_screen) |
58 | |
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59 def create_game_over(self): |
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60 """Create and open the Game Over window""" |
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61 level = self.gameboard.level |
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62 game_over = gameover.create_game_over(self.gameboard, level) |
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63 self.gameboard = None |
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64 self.open_window(game_over) |
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65 |
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66 def event(self, e): |
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67 return Game.event(self, e) |
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68 |
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69 |
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70 class MainMenuState(State): |
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71 def init(self): |
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72 sound.stop_background_music() |
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73 self.game.set_main_menu() |
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74 |
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75 def event(self, e): |
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76 if events_equal(e, START_DAY): |
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77 self.game.create_game_board() |
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78 return DayState(self.game) |
179 | 79 elif events_equal(e, GO_HELP_SCREEN): |
80 return HelpScreenState(self.game) | |
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81 elif e.type is KEYDOWN: |
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82 if e.key == K_ESCAPE: |
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83 return Quit(self.game) |
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84 elif e.key == K_s: |
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85 self.game.create_game_board() |
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86 return DayState(self.game) |
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87 elif e.key == K_i: |
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88 return HelpScreenState(self.game) |
532 | 89 elif e.type is DO_LOAD_LEVEL: |
90 self.game.load_new_level(e.level) | |
91 return | |
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92 elif e.type is DO_LOAD_SAVEGAME: |
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93 self.game.switch_gameboard(e.gameboard) |
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94 e.gameboard.skip_next_start_day() |
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95 return DayState(self.game) |
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96 elif e.type is not QUIT: |
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97 self.game.main_app.event(e) |
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98 |
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99 def paint(self, screen): |
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100 screen.fill((0,0,0)) |
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101 self.game.main_app.paint(screen) |
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102 pygame.display.flip() |
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103 |
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104 def update(self, screen): |
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105 update = self.game.main_app.update(screen) |
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106 pygame.display.update(update) |
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107 |
179 | 108 class HelpScreenState(State): |
109 def init(self): | |
110 sound.stop_background_music() | |
111 self.game.set_help_screen() | |
112 | |
113 def event(self, e): | |
114 if e.type is KEYDOWN and e.key == K_ESCAPE: | |
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115 return MainMenuState(self.game) |
179 | 116 elif events_equal(e, GO_MAIN_MENU): |
117 return MainMenuState(self.game) | |
118 elif e.type is not QUIT: | |
119 self.game.main_app.event(e) | |
120 | |
121 def paint(self, screen): | |
122 screen.fill((0,0,0)) | |
123 self.game.main_app.paint(screen) | |
124 pygame.display.flip() | |
125 | |
126 def update(self, screen): | |
127 update = self.game.main_app.update(screen) | |
128 pygame.display.update(update) | |
129 | |
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130 |
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131 class DayState(State): |
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132 def init(self): |
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133 """Add some chickens to the farm""" |
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134 sound.stop_background_music() |
223 | 135 self.game.gameboard.start_day() |
30 | 136 |
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137 sound.play_sound("daybreak.ogg") |
29 | 138 # disable timer |
139 pygame.time.set_timer(MOVE_FOX_ID, 0) | |
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140 sound.background_music("daytime.ogg") |
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141 |
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142 def event(self, e): |
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143 if events_equal(e, START_NIGHT): |
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144 self.game.gameboard.reset_states() |
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145 return NightState(self.game) |
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146 elif events_equal(e, GO_GAME_OVER): |
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147 return GameOver(self.game) |
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148 elif events_equal(e, GO_MAIN_MENU): |
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149 return MainMenuState(self.game) |
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150 elif e.type is DO_LOAD_SAVEGAME: |
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151 self.game.switch_gameboard(e.gameboard) |
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152 return |
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153 |
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154 self.game.main_app.event(e) |
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155 |
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156 def paint(self, screen): |
151
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157 self.game.main_app.paint(screen) |
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158 pygame.display.flip() |
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159 |
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160 def update(self, screen): |
151
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161 self.game.gameboard.update() |
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162 update = self.game.main_app.update(screen) |
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163 pygame.display.update(update) |
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164 |
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165 def loop(self): |
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166 self.game.gameboard.loop() |
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167 |
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168 class NightState(State): |
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169 def init(self): |
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170 """Add some foxes to the farm""" |
99
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171 sound.stop_background_music() |
223 | 172 self.game.gameboard.start_night() |
30 | 173 |
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174 sound.play_sound("nightfall.ogg") |
422
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175 |
29 | 176 # Add a timer to the event queue |
177 self.cycle_count = 0 | |
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178 self.cycle_time = SLOW__SPEED |
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179 pygame.time.set_timer(MOVE_FOX_ID, self.cycle_time) |
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180 sound.background_music("nighttime.ogg") |
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181 |
349
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182 self.dialog = None |
116
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183 |
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184 def event(self, e): |
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185 if events_equal(e, START_DAY): |
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186 if self.game.gameboard.level.is_game_over(self.game.gameboard): |
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187 return GameOver(self.game) |
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188 return DayState(self.game) |
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189 elif events_equal(e, GO_GAME_OVER): |
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190 return GameOver(self.game) |
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191 elif events_equal(e, FAST_FORWARD): |
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192 if self.cycle_time > FAST__SPEED: |
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193 self.cycle_time = FAST__SPEED |
222
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194 else: |
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195 self.cycle_time = SLOW__SPEED |
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196 pygame.time.set_timer(MOVE_FOX_ID, self.cycle_time) |
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197 return |
29 | 198 elif e.type is MOVE_FOX_ID: |
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199 # ensure no timers trigger while we're running |
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200 pygame.time.set_timer(MOVE_FOX_ID, 0) |
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201 cur_time = pygame.time.get_ticks() |
369
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202 # Clear any queued timer events, so we don't full the queue |
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203 pygame.event.clear(MOVE_FOX_ID) |
237 | 204 # Ensure any outstanding animitions get cleaned up |
29 | 205 self.cycle_count += 1 |
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206 if self.cycle_count > constants.NIGHT_LENGTH: |
29 | 207 return pygame.event.post(START_DAY) |
396
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208 if self.game.gameboard.do_night_step(): |
122
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209 # All foxes are gone/safe, so dawn happens |
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210 return pygame.event.post(START_DAY) |
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211 # Re-enable timers |
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212 diff = pygame.time.get_ticks() - cur_time |
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213 time_left = self.cycle_time - diff |
513
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512
diff
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214 if time_left <= 0: |
436
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215 time_left = self.cycle_time |
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216 pygame.time.set_timer(MOVE_FOX_ID, time_left) |
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217 return |
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218 |
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219 self.game.main_app.event(e) |
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220 |
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221 def loop(self): |
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222 self.game.gameboard.loop() |
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223 |
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224 def paint(self, screen): |
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225 self.game.main_app.paint(screen) |
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226 pygame.display.flip() |
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227 |
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228 def update(self, screen): |
151
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229 self.game.gameboard.update() |
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230 update = self.game.main_app.update(screen) |
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231 pygame.display.update(update) |
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232 |
139
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233 class GameOver(State): |
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234 def init(self): |
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235 """Setup everything""" |
156
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151
diff
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|
236 sound.stop_background_music() |
151
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|
237 self.game.create_game_over() |
142
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238 pygame.time.set_timer(MOVE_FOX_ID, 0) |
139
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239 |
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240 def event(self, e): |
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241 if e.type is KEYDOWN: |
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242 if e.key == K_ESCAPE: |
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243 return MainMenuState(self.game) |
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244 elif events_equal(e, GO_MAIN_MENU): |
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245 return MainMenuState(self.game) |
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246 elif e.type is not QUIT: |
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247 self.game.main_app.event(e) |
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248 |
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249 def paint(self, screen): |
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250 screen.fill((0,0,0)) |
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251 self.game.main_app.paint(screen) |
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252 pygame.display.flip() |
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253 |
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254 def update(self, screen): |
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255 update = self.game.main_app.update(screen) |
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256 pygame.display.update(update) |
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257 |
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|
258 # pygame events |
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259 |
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260 def events_equal(e1, e2): |
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|
261 """Compare two user events.""" |
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262 return (e1.type is e2.type and e1.name == e2.name) |
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263 |
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264 START_DAY = pygame.event.Event(USEREVENT, name="START_DAY") |
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265 START_NIGHT = pygame.event.Event(USEREVENT, name="START_NIGHT") |
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266 GO_MAIN_MENU = pygame.event.Event(USEREVENT, name="GO_MAIN_MENU") |
179 | 267 GO_HELP_SCREEN = pygame.event.Event(USEREVENT, name="GO_HELP_SCREEN") |
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268 GO_GAME_OVER = pygame.event.Event(USEREVENT, name="GO_GAME_OVER") |
320
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269 FAST_FORWARD = pygame.event.Event(USEREVENT, name="FAST_FORWARD") |
29 | 270 MOVE_FOX_ID = USEREVENT + 1 |
271 MOVE_FOXES = pygame.event.Event(MOVE_FOX_ID, name="MOVE_FOXES") | |
504
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272 DO_LOAD_SAVEGAME = USEREVENT + 2 |
532 | 273 DO_LOAD_LEVEL = USEREVENT + 3 |
11
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274 QUIT = pygame.event.Event(QUIT) |
233
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275 |
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276 # Due to the way pgu's loop timing works, these will only get proceesed |
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277 # at intervals of 10ms, so there's no point in them not being multiples of 10 |
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Neil Muller <drnlmuller@gmail.com>
parents:
434
diff
changeset
|
278 FAST__SPEED=80 |
66bc99477155
Remove references to ANIM timer, so no longer relevant
Neil Muller <drnlmuller@gmail.com>
parents:
434
diff
changeset
|
279 SLOW__SPEED=200 |