tabakrolletjie/scenes/day.py

   1 """ Be prepared. """
   2
   3 import math
   4
   5 import pygame.display
   6 import pygame.locals as pgl
   7
   8 import pymunk
   9 import pymunk.pygame_util
  10
  11 from .base import BaseScene
  12 from ..lights import LightManager
  13 from ..obstacles import ObstacleManager
  14 from ..events import SceneChangeEvent
  15 from ..utils import debug_timer
  16 from ..loader import loader
  17 from ..transforms import Overlay, Multiply, Alpha
  18
  19 from ..constants import SCREEN_SIZE, FONTS, COLOURS
  20 from ..widgets import ImageButton
  21 from ..turnip import Turnip, TurnipInvalidPosition
  22
  23
  24 class DayScene(BaseScene):
  25
  26     BRIGHTNESS = Overlay(colour=(255, 255, 255, 50))
  27
  28     def enter(self, gamestate):
  29         self._space = pymunk.Space()
  30         self._toolbar_font = loader.load_font(FONTS['sans'], size=20)
  31         self._obstacles = ObstacleManager(self._space, gamestate)
  32         self._lights = LightManager(self._space, gamestate)
  33         self._turnips = []
  34         self._seeds = gamestate.seeds
  35         self._harvested = gamestate.harvested
  36         self._paused = False
  37         self._tool = None
  38         self._light_color = None
  39         self._dragging = None
  40         # Turnip
  41         self.grow_turnips(gamestate)
  42         # Tools
  43         self._light_toolbar = []
  44         self._tools = self.create_tools(gamestate)
  45         self._update_toolbar(gamestate)
  46         # Background
  47         self._soil = loader.load_image(
  48             "textures", "soil.png", transform=self.BRIGHTNESS)
  49
  50     def grow_turnips(self, gamestate):
  51         for turnip_data in gamestate.turnips:
  52             turnip = Turnip(space=self._space, **turnip_data)
  53             # Turnips grow at dawn
  54             seeds = turnip.grow()
  55             if seeds:
  56                 self._seeds += seeds
  57                 self._harvested += 1
  58             else:
  59                 self._turnips.append(turnip)
  60
  61     def create_tools(self, gamestate):
  62         tools = []
  63         x, y, step = 50, SCREEN_SIZE[1] - 40, 50
  64         tools.append(ImageButton('32', 'seed.png', name='seed', pos=(x, y)))
  65         x += step
  66
  67         for light_config in gamestate.station["available_lights"]:
  68             tool = ImageButton(
  69                 '32', '%s.png' % light_config["type"], name='light',
  70                 pos=(x, y))
  71             tool.light_config = light_config
  72             tools.append(tool)
  73             x += step
  74
  75         tools.append(ImageButton(
  76             '32', 'default_cursor.png', name='reset tool', pos=(x, y)))
  77         return tools
  78
  79     def exit(self, gamestate):
  80         self._unset_cursor()
  81         gamestate.seeds = self._seeds
  82         gamestate.harvested = self._harvested
  83         turnip_data = [turnip.serialize() for turnip in self._turnips]
  84         gamestate.turnips = turnip_data
  85
  86     @debug_timer("day.render")
  87     def render(self, surface, gamestate):
  88         surface.blit(self._soil, (0, 0))
  89
  90         for turnip in self._turnips:
  91             turnip.render(surface)
  92         self._lights.render_light(surface)
  93         self._obstacles.render(surface)
  94         self._lights.render_fittings(surface)
  95         surface.blit(self._toolbar, (120, 10), None)
  96         for tool in self._tools:
  97             tool.render(surface)
  98         for light_tool in self._light_toolbar:
  99             light_tool.render(surface)
 100         self._draw_cursor(surface)
 101
 102     def _draw_light_toolbar(self, light_config, x):
 103         self._light_toolbar = []
 104         height = SCREEN_SIZE[1] - 80
 105         for color in sorted(COLOURS.keys()):
 106             light_tool = ImageButton('32', light_config["type"] + '.png',
 107                                      pos=(x, height), name=color,
 108                                      transform=Multiply(colour=COLOURS[color]))
 109             self._light_toolbar.append(light_tool)
 110             x += 40
 111
 112     def _clear_light_toolbar(self):
 113         self._light_toolbar = []
 114
 115     def _place_seed(self, gamestate, ev):
 116         if self._seeds > 0:
 117             # plant seed
 118             # We don't want top-left to equal the mouse position,
 119             # since that looks weird, but we don't want to center
 120             # the turnip under the mouse either, since that
 121             # causes issues as well, so we compromise
 122             pos = (ev.pos[0] - 8, ev.pos[1] - 8)
 123             try:
 124                 turnip = Turnip(age=0, pos=pos, space=self._space)
 125                 self._turnips.append(turnip)
 126                 self._seeds -= 1
 127                 self._update_toolbar(gamestate)
 128             except TurnipInvalidPosition:
 129                 # TODO: Add error sound or something
 130                 pass
 131
 132     def _update_light_angle(self, pos, gamestate):
 133         # Update the angle of the given light
 134         pos = pymunk.pygame_util.to_pygame(pos, pygame.display.get_surface())
 135         distance = pos - self._dragging.position
 136         angle = math.atan2(distance[1], distance[0])
 137         # Set light angle to this position
 138         self._dragging.ray_manager.direction = math.degrees(angle)
 139         # Hackily update gamestate with new angle
 140         for light_cfg in gamestate.station["lights"]:
 141             light_pos = pymunk.Vec2d(light_cfg["position"])
 142             if light_pos.get_dist_sqrd(self._dragging.position) < 5.0:
 143                 light_cfg["direction"] = math.degrees(angle)
 144                 break
 145
 146     def _place_light(self, gamestate, cfg, colours, ev):
 147         cfg = cfg.copy()
 148         cost = cfg.pop("cost")
 149         if self._seeds > cost:
 150             pos = pymunk.pygame_util.from_pygame(
 151                 ev.pos, pygame.display.get_surface())
 152             # Bail if we're too close to an existing light
 153             if self._lights.nearest(pos, max_distance=25):
 154                 return
 155             self._seeds -= cost
 156             self._update_toolbar(gamestate)
 157             cfg["position"] = pos
 158             cfg["colours"] = colours
 159             gamestate.station["lights"].append(cfg)
 160             self._lights.add_light(cfg)
 161
 162     def event(self, ev, gamestate):
 163         if ev.type == pgl.KEYDOWN:
 164             if ev.key in (pgl.K_q, pgl.K_ESCAPE):
 165                 from .menu import MenuScene
 166                 SceneChangeEvent.post(scene=MenuScene())
 167             elif ev.key == pgl.K_e:
 168                 from .night import NightScene
 169                 SceneChangeEvent.post(scene=NightScene())
 170             elif ev.key == pgl.K_SPACE:
 171                 self._paused = not self._paused
 172         elif ev.type == pgl.MOUSEBUTTONDOWN:
 173             if ev.button == 1:
 174                 # Check tools
 175                 for tool in self._tools:
 176                     if tool.pressed(ev):
 177                         self._color = None
 178                         if tool.name == 'reset tool':
 179                             self._unset_cursor()
 180                             self._tool = None
 181                             self._clear_light_toolbar()
 182                         else:
 183                             self._tool = tool
 184                             if self._tool.name == 'seed':
 185                                 self._set_cursor(
 186                                     'seed', transform=Alpha(alpha=172))
 187                                 self._clear_light_toolbar()
 188                             elif self._tool.name == 'light':
 189                                 self._unset_cursor()
 190                                 self._draw_light_toolbar(
 191                                     self._tool.light_config, 100)
 192                         return
 193                 # Check light toolbar
 194                 for light_tool in self._light_toolbar:
 195                     if light_tool.pressed(ev):
 196                         self._set_cursor(
 197                             self._tool.light_config["type"],
 198                             transform=Multiply(
 199                                 colour=COLOURS[light_tool.name] + (172,)))
 200                         self._light_color = light_tool.name
 201                         return
 202                 if self._tool.name == "seed":
 203                     self._place_seed(gamestate, ev)
 204                 elif self._tool.name == "light" and self._light_color:
 205                     self._place_light(
 206                         gamestate, self._tool.light_config,
 207                         [self._light_color], ev)
 208                 else:
 209                     # Not tool, so check lights
 210                     self._lights.toggle_nearest(ev.pos, surfpos=True)
 211             elif ev.button == 3:
 212                 light = self._lights.nearest(ev.pos, surfpos=True,
 213                                              max_distance=20.0)
 214                 if light:
 215                     # Start drag to rotate light
 216                     self._dragging = light
 217                 elif self._tool:
 218                     # Unset tool
 219                     self._tool = None
 220                     self._unset_cursor()
 221         elif ev.type == pgl.MOUSEMOTION:
 222             if self._dragging:
 223                 # Calculate angle between current position and mouse pos
 224                 self._update_light_angle(ev.pos, gamestate)
 225         elif ev.type == pgl.MOUSEBUTTONUP:
 226             self._dragging = None
 227
 228     @debug_timer("day.tick")
 229     def tick(self, gamestate):
 230         if not self._paused:
 231             self._lights.tick()
 232
 233     def _update_toolbar(self, gamestate):
 234         text = ("Turnip Stocks: Seeds: %d. Planted: %d. "
 235                 "Harvested: %d. Destroyed: %d" %
 236                 (self._seeds, len(self._turnips),
 237                  self._harvested, gamestate.eaten))
 238         self._toolbar = self._toolbar_font.render(text, True, (255, 255, 255))