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comparison nagslang/game_object.py @ 81:a1b4d09e6f23

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Floor switch with horrible hackery.
author davidsharpe@lantea.local
date Sun, 01 Sep 2013 22:53:37 +0200
parents 7f038ee778ad
children 11b0017b5e4b
comparison
equal deleted inserted replaced
80:77e66eca8093 81:a1b4d09e6f23
1 import math 1 import math
2
3 import pygame
4 import pymunk
5
6 from nagslang.constants import SWITCH_PUSHERS, COLLISION_TYPE_SWITCH
7
8 class Puzzler(object):
9 def get_state(self, space):
10 raise NotImplementedError()
11
12 def notify(self):
13 pass
14
15
16 class FloorSwitchPuzzler(Puzzler):
17 def __init__(self, shape):
18 self.shape = shape
19
20 def get_state(self, space):
21 for shape in space.shape_query(self.shape):
22 if shape.collision_type in SWITCH_PUSHERS:
23 return True
24 return False
2 25
3 26
4 class Physicser(object): 27 class Physicser(object):
5 def add_to_space(self, space): 28 def add_to_space(self, space):
6 raise NotImplementedError() 29 raise NotImplementedError()
96 """A representation of a thing in the game world. 119 """A representation of a thing in the game world.
97 120
98 This has a rendery thing, physicsy things and maybe some other things. 121 This has a rendery thing, physicsy things and maybe some other things.
99 """ 122 """
100 123
101 def __init__(self, renderer, physicser=None): 124 def __init__(self, renderer, physicser=None, puzzler=None):
102 self.renderer = renderer 125 self.renderer = renderer
103 if physicser is None: 126 if physicser is None:
104 physicser = NullPhysicser() 127 physicser = NullPhysicser()
105 self.physicser = physicser 128 self.physicser = physicser
129 self.puzzler = puzzler
106 130
107 def add_to_space(self, space): 131 def add_to_space(self, space):
108 self.physicser.add_to_space(space) 132 self.physicser.add_to_space(space)
109 133
110 def render(self, surface): 134 def render(self, surface):
111 return self.renderer.render( 135 return self.renderer.render(
112 surface, self.physicser.render_position(surface), 136 surface, self.physicser.render_position(surface),
113 self.physicser.render_angle()) 137 self.physicser.render_angle())
138
139
140 class FloorSwitch(GameObject):
141 def __init__(self, position):
142 body = pymunk.Body()
143 body.position = position
144 self.shape = pymunk.Circle(body, 30)
145 self.shape.collision_type = COLLISION_TYPE_SWITCH
146 self.shape.sensor = True
147 super(FloorSwitch, self).__init__(
148 ShapeRenderer(self.shape),
149 SingleShapePhysicser(self.shape),
150 FloorSwitchPuzzler(self.shape),
151 )
152
153 def add_to_space(self, space):
154 # XXX: Hacky hack.
155 self._space = space
156
157 def render(self, surface):
158 if self.puzzler.get_state(self._space):
159 self.shape.color = pygame.color.THECOLORS['green']
160 else:
161 self.shape.color = pygame.color.THECOLORS['red']
162 super(FloorSwitch, self).render(surface)