tabakrolletjie/scenes/night.py

   1 """ In the night, the mould attacks. """
   2
   3 import pygame.locals as pgl
   4
   5 import pymunk
   6
   7 from .base import BaseScene
   8 from ..lights import LightManager
   9 from ..obstacles import ObstacleManager
  10 from ..enemies import Boyd
  11 from ..events import SceneChangeEvent
  12 from ..utils import debug_timer
  13 from ..loader import loader
  14 from ..transforms import Overlay
  15 from ..turnip import Turnip
  16
  17
  18 class NightScene(BaseScene):
  19
  20     DARKNESS = Overlay(colour=(0, 0, 0, 150))
  21
  22     def enter(self, gamestate):
  23         self._space = pymunk.Space()
  24         self._obstacles = ObstacleManager(self._space, gamestate)
  25         self._lights = LightManager(self._space, gamestate)
  26         self._mould = Boyd(gamestate, self._space)
  27         self._turnips = []
  28         for turnip_data in gamestate.turnips:
  29             turnip = Turnip(space=self._space, **turnip_data)
  30             self._turnips.append(turnip)
  31         self._soil = loader.load_image(
  32             "textures", "soil.png", transform=self.DARKNESS)
  33
  34     @debug_timer("night.render")
  35     def render(self, surface, gamestate):
  36         surface.blit(self._soil, (0, 0))
  37
  38         self._mould.render(surface)
  39
  40         for turnip in self._turnips[:]:
  41             if turnip.eaten:
  42                 self._turnips.remove(turnip)
  43                 turnip.remove()
  44                 gamestate.eaten += 1
  45             else:
  46                 turnip.render(surface)
  47
  48         self._lights.render_light(surface)
  49         self._obstacles.render(surface)
  50         self._lights.render_fittings(surface)
  51
  52     def event(self, ev, gamestate):
  53         if ev.type == pgl.KEYDOWN:
  54             if ev.key in (pgl.K_q, pgl.K_ESCAPE):
  55                 from .menu import MenuScene
  56                 SceneChangeEvent.post(scene=MenuScene())
  57             if ev.key == pgl.K_e:
  58                 from .day import DayScene
  59                 SceneChangeEvent.post(scene=DayScene())
  60         elif ev.type == pgl.MOUSEBUTTONDOWN:
  61             if ev.button == 1:
  62                 self._lights.toggle_nearest(ev.pos, surfpos=True)
  63                 print self._lights.lit_by(ev.pos, surfpos=True)
  64
  65     @debug_timer("night.tick")
  66     def tick(self, gamestate):
  67         self._mould.tick(gamestate, self._space, self._lights)
  68         self._lights.tick()
  69         print "Power usage: ", self._lights.total_power_usage()
  70
  71     def exit(self, gamestate):
  72         turnip_data = [turnip.serialize() for turnip in self._turnips]
  73         gamestate.turnips = turnip_data