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annotate mamba/world.py @ 286:71bc946ce1f1

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Check if paused to avoid displaing two MessageBoxes on the screen if we manage to stack up SnakeDied events
author Stefano Rivera <stefano@rivera.za.net>
date Thu, 15 Sep 2011 23:07:18 +0200
parents cacc03748580
children e89702425a73
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b1019923cb12 Direction control for snake.
Simon Cross <hodgestar@gmail.com>
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1 """World state (level, plus snake, plus other sprites)."""
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45dd79e9ba1b Rudimentary FPS and clock ticking.
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3 import time
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4
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b1019923cb12 Direction control for snake.
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5 from mamba.snake import Snake
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7
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8 class World(object):
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9 def __init__(self, level):
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10 self.level = level
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cacc03748580 Move world initialisation to restart
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11 self.restart()
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e6299eb296ce Draw the world!
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12
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0c1005c76c87 More worldify.
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13 def get_size(self):
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14 return self.level.get_size()
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15
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e6299eb296ce Draw the world!
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16 def draw(self, surface):
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17 self.level.draw(surface)
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e6299eb296ce Draw the world!
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18 self.snake.draw(surface)
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119c0fb758c2 Move key handling into GameWidget and GameWidget into widgets.game.
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19
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20 def get_sprite(self, sprite_id):
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21 return self.level.extra_sprites[sprite_id]
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22
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23 def update(self):
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24 prev = self._prev
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25 self._prev = time.time()
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454f7552e863 Pause the world, I may want to get off
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26 if self._paused:
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27 return
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28 if prev is None:
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29 return
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30 dt = self._prev - prev
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061d711ba570 Interact with the world.
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32 self.snake.update(dt, self)
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34 def interact(self, segment):
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35 tiles = segment.filter_collisions(self.level.sprites)
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36 for tile in tiles:
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37 tile.interact(self, segment)
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38
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39 def pause(self):
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40 was_paused, self._paused = self._paused, True
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41 return was_paused == False
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42
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43 def resume(self):
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44 was_paused, self._paused = self._paused, False
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45 return was_paused == True
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47 def restart(self):
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48 self.level.restart()
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49 tile_pos, orientation = self.level.get_entry()
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50 self.snake = Snake(tile_pos, orientation)
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51 self._prev = None
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52 self._paused = False