Mercurial > rinkhals
annotate gamelib/engine.py @ 506:3b5717d742b2
fixed selling of equipment from selected chickens
author | Adrianna Pińska <adrianna.pinska@gmail.com> |
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date | Thu, 26 Nov 2009 22:50:57 +0000 |
parents | 393e30ea0165 |
children | b112bcf4d435 |
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_n, K_d, 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 loadlevel |
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13 import level |
336 | 14 from misc import check_exit |
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15 |
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16 class Engine(Game): |
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17 def __init__(self, main_app, level_name): |
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18 self.main_app = main_app |
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19 self.clock = pygame.time.Clock() |
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20 self.level = level.Level(level_name) |
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21 self._open_window = None |
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22 self.gameboard = None |
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23 self.level_loader = None |
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24 |
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25 def tick(self): |
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26 """Tic toc.""" |
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27 pygame.time.wait(10) |
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28 |
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29 def load_new_level(self): |
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30 self.level = self.level_loader.cur_level |
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31 |
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32 def open_window(self, window): |
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33 """Open a widget as the main window.""" |
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34 if self._open_window is not None: |
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35 self.main_app.close(self._open_window) |
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36 self.main_app.open(window) |
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37 self._open_window = window |
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38 |
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39 def create_game_board(self): |
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40 """Create and open a gameboard window.""" |
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41 self.gameboard = gameboard.GameBoard(self.main_app, |
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42 self.level) |
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43 self.open_window(self.gameboard.get_top_widget()) |
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44 |
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45 def switch_gameboard(self, gameboard): |
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46 """Switch over to a new gameboard.""" |
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47 self.gameboard = gameboard |
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48 self.gameboard.disp = self.main_app |
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49 self.gameboard.create_display() |
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50 self.open_window(self.gameboard.get_top_widget()) |
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51 |
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52 def set_main_menu(self): |
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53 """Open the main menu""" |
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54 self.scoreboard = gameover.ScoreTable(self.level) |
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55 self.level_loader = None |
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56 main_menu = mainmenu.make_main_menu(self.level) |
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57 self.open_window(main_menu) |
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58 |
179 | 59 def set_help_screen(self): |
60 """Open the main menu""" | |
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61 help_screen = helpscreen.make_help_screen(self.level) |
179 | 62 self.open_window(help_screen) |
63 | |
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64 def set_level_screen(self): |
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65 """Open the Load Level screen""" |
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66 level_screen, self.level_loader = loadlevel.make_load_screen(self.level) |
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67 self.open_window(level_screen) |
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68 |
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69 def create_game_over(self): |
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70 """Create and open the Game Over window""" |
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71 level = self.gameboard.level |
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72 game_over = gameover.create_game_over(self.gameboard, |
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73 self.scoreboard[level.level_name], level) |
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74 self.gameboard = None |
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75 self.open_window(game_over) |
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76 |
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77 def event(self, e): |
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78 if not Game.event(self, e): |
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79 if self.gameboard: |
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80 return self.gameboard.event(e) |
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81 return False |
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82 return True |
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83 |
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84 |
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85 class MainMenuState(State): |
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86 def init(self): |
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87 sound.stop_background_music() |
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88 self.game.set_main_menu() |
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89 |
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90 def event(self, e): |
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91 if events_equal(e, START_DAY): |
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92 self.game.create_game_board() |
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93 return DayState(self.game) |
179 | 94 elif events_equal(e, GO_HELP_SCREEN): |
95 return HelpScreenState(self.game) | |
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96 elif events_equal(e, GO_LEVEL_SCREEN): |
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97 return LevelScreenState(self.game) |
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98 elif e.type is KEYDOWN: |
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99 if e.key == K_ESCAPE: |
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100 return Quit(self.game) |
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101 elif e.key == K_s: |
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102 self.game.create_game_board() |
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103 return DayState(self.game) |
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104 elif e.key == K_i: |
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105 return HelpScreenState(self.game) |
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106 elif e.type is not QUIT: |
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107 self.game.main_app.event(e) |
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108 |
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109 def paint(self, screen): |
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110 screen.fill((0,0,0)) |
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111 self.game.main_app.paint(screen) |
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112 pygame.display.flip() |
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113 |
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114 def update(self, screen): |
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115 update = self.game.main_app.update(screen) |
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116 pygame.display.update(update) |
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117 |
179 | 118 class HelpScreenState(State): |
119 def init(self): | |
120 sound.stop_background_music() | |
121 self.game.set_help_screen() | |
122 | |
123 def event(self, e): | |
124 if e.type is KEYDOWN and e.key == K_ESCAPE: | |
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125 return MainMenuState(self.game) |
179 | 126 elif events_equal(e, GO_MAIN_MENU): |
127 return MainMenuState(self.game) | |
128 elif e.type is not QUIT: | |
129 self.game.main_app.event(e) | |
130 | |
131 def paint(self, screen): | |
132 screen.fill((0,0,0)) | |
133 self.game.main_app.paint(screen) | |
134 pygame.display.flip() | |
135 | |
136 def update(self, screen): | |
137 update = self.game.main_app.update(screen) | |
138 pygame.display.update(update) | |
139 | |
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140 |
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141 class LevelScreenState(State): |
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142 def init(self): |
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143 sound.stop_background_music() |
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144 self.game.set_level_screen() |
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145 |
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146 def event(self, e): |
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147 if e.type is KEYDOWN and e.key == K_ESCAPE: |
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148 return MainMenuState(self.game) |
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149 elif events_equal(e, GO_MAIN_MENU): |
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150 return MainMenuState(self.game) |
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151 elif events_equal(e, DO_LOAD_LEVEL): |
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152 self.game.load_new_level() |
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153 return MainMenuState(self.game) |
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154 elif e.type is not QUIT: |
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155 self.game.main_app.event(e) |
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156 |
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157 def paint(self, screen): |
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158 screen.fill((0,0,0)) |
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159 self.game.main_app.paint(screen) |
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160 pygame.display.flip() |
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161 |
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162 def update(self, screen): |
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163 update = self.game.main_app.update(screen) |
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164 pygame.display.update(update) |
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165 |
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166 |
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167 class DayState(State): |
25
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168 def init(self): |
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169 """Add some chickens to the farm""" |
99
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170 sound.stop_background_music() |
223 | 171 self.game.gameboard.start_day() |
30 | 172 |
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173 sound.play_sound("daybreak.ogg") |
29 | 174 # disable timer |
175 pygame.time.set_timer(MOVE_FOX_ID, 0) | |
99
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176 sound.background_music("daytime.ogg") |
336 | 177 self.dialog = None |
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178 |
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179 def event(self, e): |
336 | 180 if self.dialog and self.dialog.running: |
181 if self.dialog.event(e): | |
182 return | |
183 elif self.dialog: | |
184 if self.dialog.do_quit: | |
185 self.dialog = None | |
186 self.game.gameboard.reset_states() | |
187 return GameOver(self.game) | |
188 self.dialog=None | |
189 return | |
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190 if events_equal(e, START_NIGHT): |
245
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191 self.game.gameboard.reset_states() |
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192 return NightState(self.game) |
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193 elif e.type is KEYDOWN and e.key == K_ESCAPE: |
336 | 194 self.dialog = check_exit() |
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195 elif e.type is KEYDOWN and e.key == K_n: |
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196 return pygame.event.post(START_NIGHT) |
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197 elif events_equal(e, GO_MAIN_MENU): |
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198 return MainMenuState(self.game) |
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199 elif e.type is DO_LOAD_SAVEGAME: |
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200 self.game.switch_gameboard(e.gameboard) |
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201 return |
14 | 202 elif e.type is not QUIT: |
151
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203 self.game.main_app.event(e) |
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204 |
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205 def paint(self, screen): |
151
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206 self.game.main_app.paint(screen) |
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207 pygame.display.flip() |
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208 |
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209 def update(self, screen): |
151
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210 self.game.gameboard.update() |
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|
211 update = self.game.main_app.update(screen) |
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212 pygame.display.update(update) |
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|
213 |
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214 def loop(self): |
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215 self.game.gameboard.loop() |
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|
216 |
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|
217 class NightState(State): |
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218 def init(self): |
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|
219 """Add some foxes to the farm""" |
99
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David Fraser <davidf@sjsoft.com>
parents:
98
diff
changeset
|
220 sound.stop_background_music() |
223 | 221 self.game.gameboard.start_night() |
30 | 222 |
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|
223 sound.play_sound("nightfall.ogg") |
422
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|
224 |
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|
225 self.game.gameboard.chickens_scatter() |
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|
226 self.game.gameboard.chickens_chop_wood() |
29 | 227 # Add a timer to the event queue |
228 self.cycle_count = 0 | |
435
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229 self.cycle_time = SLOW__SPEED |
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230 pygame.time.set_timer(MOVE_FOX_ID, self.cycle_time) |
99
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98
diff
changeset
|
231 sound.background_music("nighttime.ogg") |
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|
232 |
349
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346
diff
changeset
|
233 self.dialog = None |
116
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99
diff
changeset
|
234 |
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changeset
|
235 def event(self, e): |
349
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346
diff
changeset
|
236 if self.dialog and self.dialog.running: |
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diff
changeset
|
237 if self.dialog.event(e): |
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diff
changeset
|
238 return |
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346
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|
239 elif self.dialog: |
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346
diff
changeset
|
240 if self.dialog.do_quit: |
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diff
changeset
|
241 self.dialog = None |
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changeset
|
242 self.game.gameboard.reset_states() |
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346
diff
changeset
|
243 return GameOver(self.game) |
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346
diff
changeset
|
244 self.dialog=None |
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346
diff
changeset
|
245 return |
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changeset
|
246 if events_equal(e, START_DAY): |
469
e0b11d684ee8
Reference gameboard.level rather than game.level where appropriate. Saving and restoring games appears to largely work now (even if the level of the restored game is different to the current one).
Simon Cross <hodgestar@gmail.com>
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436
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|
247 if self.game.gameboard.level.is_game_over(self.game.gameboard): |
139
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diff
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248 return GameOver(self.game) |
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changeset
|
249 return DayState(self.game) |
320
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Switch between 'Finished Day' and 'Fast Forward' modes
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312
diff
changeset
|
250 elif (e.type is KEYDOWN and e.key == K_d) or \ |
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312
diff
changeset
|
251 events_equal(e, FAST_FORWARD): |
435
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|
252 if self.cycle_time > FAST__SPEED: |
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diff
changeset
|
253 self.cycle_time = FAST__SPEED |
222
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Turn 'd' into a fast forward / normal speed toggle at night
Neil Muller <drnlmuller@gmail.com>
parents:
213
diff
changeset
|
254 else: |
435
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434
diff
changeset
|
255 self.cycle_time = SLOW__SPEED |
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434
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changeset
|
256 pygame.time.set_timer(MOVE_FOX_ID, self.cycle_time) |
25
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|
257 elif e.type is KEYDOWN and e.key == K_ESCAPE: |
349
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346
diff
changeset
|
258 self.dialog = check_exit() |
29 | 259 elif e.type is MOVE_FOX_ID: |
369
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349
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changeset
|
260 # ensure no timers trigger while we're running |
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349
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changeset
|
261 pygame.time.set_timer(MOVE_FOX_ID, 0) |
436
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parents:
435
diff
changeset
|
262 cur_time = pygame.time.get_ticks() |
369
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changeset
|
263 # Clear any queued timer events, so we don't full the queue |
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349
diff
changeset
|
264 pygame.event.clear(MOVE_FOX_ID) |
237 | 265 # Ensure any outstanding animitions get cleaned up |
29 | 266 self.cycle_count += 1 |
139
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122
diff
changeset
|
267 if self.cycle_count > constants.NIGHT_LENGTH: |
29 | 268 return pygame.event.post(START_DAY) |
396
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parents:
392
diff
changeset
|
269 if self.game.gameboard.do_night_step(): |
122
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Don't continue the night if we're not doing anything anymore
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118
diff
changeset
|
270 # All foxes are gone/safe, so dawn happens |
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118
diff
changeset
|
271 return pygame.event.post(START_DAY) |
369
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349
diff
changeset
|
272 # Re-enable timers |
436
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Neil Muller <drnlmuller@gmail.com>
parents:
435
diff
changeset
|
273 diff = pygame.time.get_ticks() - cur_time |
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Neil Muller <drnlmuller@gmail.com>
parents:
435
diff
changeset
|
274 time_left = self.cycle_time - diff |
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Better approximate constant framerate on move events, etc.
Neil Muller <drnlmuller@gmail.com>
parents:
435
diff
changeset
|
275 if time_left < 0: |
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Better approximate constant framerate on move events, etc.
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435
diff
changeset
|
276 time_left = self.cycle_time |
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Better approximate constant framerate on move events, etc.
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435
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changeset
|
277 pygame.time.set_timer(MOVE_FOX_ID, time_left) |
25
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diff
changeset
|
278 elif e.type is not QUIT: |
151
082868bea873
Refactor UI so that only a single gui.App is used. Pass all UI events via main_app. Change Toolbar table to use .td() everywhere. Move toolbar to top.
Simon Cross <hodgestar@gmail.com>
parents:
142
diff
changeset
|
279 self.game.main_app.event(e) |
25
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diff
changeset
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280 |
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281 def loop(self): |
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282 self.game.gameboard.loop() |
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283 |
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284 def paint(self, screen): |
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285 self.game.main_app.paint(screen) |
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286 pygame.display.flip() |
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287 |
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288 def update(self, screen): |
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289 self.game.gameboard.update() |
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290 update = self.game.main_app.update(screen) |
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291 pygame.display.update(update) |
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292 |
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293 class GameOver(State): |
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294 def init(self): |
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295 """Setup everything""" |
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296 sound.stop_background_music() |
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297 self.game.create_game_over() |
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298 pygame.time.set_timer(MOVE_FOX_ID, 0) |
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299 |
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300 def event(self, e): |
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301 if e.type is KEYDOWN: |
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302 if e.key == K_ESCAPE: |
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303 return MainMenuState(self.game) |
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304 elif events_equal(e, GO_MAIN_MENU): |
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305 return MainMenuState(self.game) |
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306 elif e.type is not QUIT: |
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307 self.game.main_app.event(e) |
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308 |
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309 def paint(self, screen): |
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310 screen.fill((0,0,0)) |
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311 self.game.main_app.paint(screen) |
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312 pygame.display.flip() |
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313 |
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314 def update(self, screen): |
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315 update = self.game.main_app.update(screen) |
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316 pygame.display.update(update) |
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317 |
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318 # pygame events |
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319 |
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320 def events_equal(e1, e2): |
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321 """Compare two user events.""" |
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322 return (e1.type is e2.type and e1.name == e2.name) |
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323 |
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324 START_DAY = pygame.event.Event(USEREVENT, name="START_DAY") |
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325 START_NIGHT = pygame.event.Event(USEREVENT, name="START_NIGHT") |
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326 GO_MAIN_MENU = pygame.event.Event(USEREVENT, name="GO_MAIN_MENU") |
179 | 327 GO_HELP_SCREEN = pygame.event.Event(USEREVENT, name="GO_HELP_SCREEN") |
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328 GO_LEVEL_SCREEN = pygame.event.Event(USEREVENT, name="GO_LEVEL_SCREEN") |
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329 DO_LOAD_LEVEL = pygame.event.Event(USEREVENT, name="DO_LEVEL_SCREEN") |
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330 FAST_FORWARD = pygame.event.Event(USEREVENT, name="FAST_FORWARD") |
29 | 331 MOVE_FOX_ID = USEREVENT + 1 |
332 MOVE_FOXES = pygame.event.Event(MOVE_FOX_ID, name="MOVE_FOXES") | |
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333 DO_LOAD_SAVEGAME = USEREVENT + 2 |
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334 QUIT = pygame.event.Event(QUIT) |
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335 |
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336 # Due to the way pgu's loop timing works, these will only get proceesed |
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337 # at intervals of 10ms, so there's no point in them not being multiples of 10 |
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338 FAST__SPEED=80 |
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339 SLOW__SPEED=200 |