tabakrolletjie/scenes/day.py

   1 """ Be prepared. """
   2
   3 import pygame.display
   4 import pygame.locals as pgl
   5
   6 import pymunk
   7 import pymunk.pygame_util
   8
   9 from .base import BaseScene
  10 from ..lights import LightManager
  11 from ..obstacles import ObstacleManager
  12 from ..events import SceneChangeEvent
  13 from ..utils import debug_timer
  14 from ..loader import loader
  15 from ..transforms import Overlay, Multiply, Alpha
  16
  17 from ..constants import SCREEN_SIZE, FONTS
  18 from ..widgets import ImageButton
  19 from ..turnip import Turnip, TurnipInvalidPosition
  20
  21
  22 class DayScene(BaseScene):
  23
  24     BRIGHTNESS = Overlay(colour=(255, 255, 255, 50))
  25
  26     def enter(self, gamestate):
  27         self._space = pymunk.Space()
  28         self._toolbar_font = loader.load_font(FONTS['sans'], size=20)
  29         self._obstacles = ObstacleManager(self._space, gamestate)
  30         self._lights = LightManager(self._space, gamestate)
  31         self._turnips = []
  32         self._seeds = gamestate.seeds
  33         self._harvested = gamestate.harvested
  34         self._paused = False
  35         self._tool = None
  36         for turnip_data in gamestate.turnips:
  37             turnip = Turnip(space=self._space, **turnip_data)
  38             # Turnips grow at dawn
  39             seeds = turnip.grow()
  40             if seeds:
  41                 self._seeds += seeds
  42                 self._harvested += 1
  43             else:
  44                 self._turnips.append(turnip)
  45         # Tools
  46         self._tools = [
  47             ImageButton('32', 'seed.png', name='seed',
  48                         pos=(50, SCREEN_SIZE[1] - 40)),
  49             ImageButton('32', 'spotlight.png', name='blue_spotlight',
  50                         pos=(100, SCREEN_SIZE[1] - 40),
  51                         transform=Multiply(colour=(0, 0, 255, 255))),
  52             ImageButton('32', 'spotlight.png', name='red_spotlight',
  53                         pos=(150, SCREEN_SIZE[1] - 40),
  54                         transform=Multiply(colour=(255, 0, 0, 255))),
  55             ImageButton('32', 'default_cursor.png', name='reset tool',
  56                         pos=(SCREEN_SIZE[0] - 50, SCREEN_SIZE[1] - 40)),
  57         ]
  58         self._update_toolbar(gamestate)
  59         # Background
  60         self._soil = loader.load_image(
  61             "textures", "soil.png", transform=self.BRIGHTNESS)
  62
  63     def exit(self, gamestate):
  64         self._unset_cursor()
  65         gamestate.seeds = self._seeds
  66         gamestate.harvested = self._harvested
  67         turnip_data = [turnip.serialize() for turnip in self._turnips]
  68         gamestate.turnips = turnip_data
  69
  70     @debug_timer("day.render")
  71     def render(self, surface, gamestate):
  72         surface.blit(self._soil, (0, 0))
  73
  74         for turnip in self._turnips:
  75             turnip.render(surface)
  76         self._lights.render_light(surface)
  77         self._obstacles.render(surface)
  78         self._lights.render_fittings(surface)
  79         surface.blit(self._toolbar, (120, 10), None)
  80         for tool in self._tools:
  81             tool.render(surface)
  82         self._draw_cursor(surface)
  83
  84     def _place_seed(self, gamestate, ev):
  85         if self._seeds > 0:
  86             # plant seed
  87             # We don't want top-left to equal the mouse position,
  88             # since that looks weird, but we don't want to center
  89             # the turnip under the mouse either, since that
  90             # causes issues as well, so we compromise
  91             pos = (ev.pos[0] - 8, ev.pos[1] - 8)
  92             try:
  93                 turnip = Turnip(age=0, pos=pos, space=self._space)
  94                 self._turnips.append(turnip)
  95                 self._seeds -= 1
  96                 self._update_toolbar(gamestate)
  97             except TurnipInvalidPosition as e:
  98                 # TODO: Add error sound or something
  99                 pass
 100
 101     def _place_spotlight(self, gamestate, colour, ev):
 102         if self._seeds > 5:
 103             pos = pymunk.pygame_util.from_pygame(ev.pos,
 104                                                  pygame.display.get_surface())
 105             # Bail if we're too close to an existing light
 106             if self._lights.nearest(pos, max_distance=25):
 107                 return
 108             self._seeds -= 5
 109             self._update_toolbar(gamestate)
 110             cfg = {
 111                 "type": "spotlight",
 112                 "colour": colour,
 113                 "position": pos,
 114                 "angle_limits": [0, 90],
 115                 "intensity": 0.5,
 116                 "radius_limits": [0, 100],
 117             }
 118             gamestate.station["lights"].append(cfg)
 119             self._lights.add_light(cfg)
 120
 121     def event(self, ev, gamestate):
 122         if ev.type == pgl.KEYDOWN:
 123             if ev.key in (pgl.K_q, pgl.K_ESCAPE):
 124                 from .menu import MenuScene
 125                 SceneChangeEvent.post(scene=MenuScene())
 126             if ev.key == pgl.K_e:
 127                 from .night import NightScene
 128                 SceneChangeEvent.post(scene=NightScene())
 129             if ev.key == pgl.K_SPACE:
 130                 self._paused = not self._paused
 131         elif ev.type == pgl.MOUSEBUTTONDOWN:
 132             if ev.button == 1:
 133                 # Check tools
 134                 for tool in self._tools:
 135                     if tool.pressed(ev):
 136                         if tool.name == 'reset tool':
 137                             self._unset_cursor()
 138                             self._tool = None
 139                         else:
 140                             self._tool = tool.name
 141                             if self._tool == 'seed':
 142                                 self._set_cursor(
 143                                     'seed', transform=Alpha(alpha=172))
 144                             elif self._tool == 'red_spotlight':
 145                                 self._set_cursor(
 146                                     'spotlight',
 147                                     transform=Multiply(
 148                                         colour=(255, 0, 0, 172)))
 149                             elif self._tool == 'blue_spotlight':
 150                                 self._set_cursor(
 151                                     'spotlight',
 152                                     transform=Multiply(
 153                                         colour=(0, 0, 255, 172)))
 154                         return
 155                 if self._tool == "seed":
 156                     self._place_seed(gamestate, ev)
 157                 elif self._tool == 'red_spotlight':
 158                     self._place_spotlight(gamestate, 'red', ev)
 159                 elif self._tool == 'blue_spotlight':
 160                     self._place_spotlight(gamestate, 'blue', ev)
 161                 else:
 162                     # Not tool, so check lights
 163                     self._lights.toggle_nearest(ev.pos, surfpos=True)
 164                     print self._lights.lit_by(ev.pos, surfpos=True)
 165             elif ev.button == 3 and self._tool:
 166                 self._tool = None
 167                 self._unset_cursor()
 168
 169     @debug_timer("day.tick")
 170     def tick(self, gamestate):
 171         if not self._paused:
 172             self._lights.tick()
 173
 174     def _update_toolbar(self, gamestate):
 175         text = ("Turnip Stocks: Seeds: %d. Planted: %d. "
 176                 "Harvested: %d. Destroyed: %d" %
 177                 (self._seeds, len(self._turnips),
 178                  self._harvested, gamestate.eaten))
 179         self._toolbar = self._toolbar_font.render(text, True, (255, 255, 255))