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annotate nagslang/collectable.py @ 392:1b7b0b8e8275

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screenshot with dead aliens and keycards
author Adrianna Pińska <adrianna.pinska@gmail.com>
date Sat, 07 Sep 2013 01:03:46 +0200
parents 51deb78cae52
children 811481b20689
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 import pymunk
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2
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3 from nagslang import environment
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4 from nagslang import render
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5 from nagslang.constants import ZORDER_LOW
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6 from nagslang.game_object import (GameObject, SingleShapePhysicser, Result,
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7 make_body)
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8 from nagslang.resources import resources
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9
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10
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11 class CollectibleGameObject(GameObject):
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12 zorder = ZORDER_LOW
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13
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14 def __init__(self, space, name, shape, renderer):
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15 self._name = name
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16 self.collected = False
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17 shape.sensor = True
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18 super(CollectibleGameObject, self).__init__(
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19 SingleShapePhysicser(space, shape),
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20 renderer,
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21 interactible=environment.Interactible(
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22 environment.Action(
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23 self._collect, environment.HumanFormCondition())),
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24 )
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25
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26 def _collect(self, protagonist):
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27 protagonist.add_item(self._name)
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28 self.physicser.remove_from_space()
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29 self.collected = True
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30
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31 def update(self, dt):
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32 if self.collected:
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33 return Result(remove=[self])
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34
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35
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36 class Gun(CollectibleGameObject):
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37 def __init__(self, space, position):
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38 body = make_body(None, None, position)
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39 self.shape = pymunk.Circle(body, 20)
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40 super(Gun, self).__init__(
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41 space, 'gun', self.shape,
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42 render.ImageRenderer(resources.get_image('objects', 'gun.png')),
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43 )
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44
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45
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46 class KeyCard(CollectibleGameObject):
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47 def __init__(self, space, position, name):
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48 body = make_body(None, None, position)
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49 self.shape = pymunk.Circle(body, 20)
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50 super(KeyCard, self).__init__(
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51 space, name, self.shape,
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52 render.ImageRenderer(
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53 resources.get_image('objects', '%s.png' % (name,))),
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54 )
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55
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56 @classmethod
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57 def requires(cls):
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58 return [("name", "string"), ("position", "coordinates"),
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59 ("item_name", "string")]