tabakrolletjie/scenes/day.py

   1 """ Be prepared. """
   2
   3 import math
   4
   5 import pygame.display
   6 import pygame.surface
   7 import pygame.locals as pgl
   8
   9 import pymunk
  10 import pymunk.pygame_util
  11
  12 from .base import BaseScene
  13 from ..battery import BatteryManager
  14 from ..lights import LightManager, light_fitting_by_type, check_space_for_light
  15 from ..infobar import InfoBar
  16 from ..obstacles import ObstacleManager
  17 from ..events import SceneChangeEvent
  18 from ..utils import debug_timer, shadowed_text, write_save_file
  19 from ..loader import loader
  20 from ..sound import sound
  21 from ..transforms import Overlay, Alpha, ColourWedges
  22
  23 from ..constants import SCREEN_SIZE, FONTS, FPS, NIGHT_HOURS_PER_TICK, DEBUG
  24 from ..widgets import ImageButton
  25 from ..turnip import Turnip, TurnipInvalidPosition
  26
  27
  28 class DayScene(BaseScene):
  29
  30     BRIGHTNESS = Overlay(colour=(255, 255, 255, 50))
  31
  32     def enter(self, gamestate):
  33         self._space = pymunk.Space()
  34         self._obstacles = ObstacleManager(self._space, gamestate)
  35         self._lights = LightManager(self._space, gamestate)
  36         self._battery = BatteryManager(gamestate)
  37         self._infobar = InfoBar("day", battery=self._battery, scene=self)
  38         self._turnips = []
  39         self._paused = False
  40         self._tool = None
  41         self._light_colors = None
  42         self._dragging = None
  43         # Turnip
  44         self.grow_turnips(gamestate)
  45         # Tools
  46         self._light_toolbar = []
  47         self._tools = self.create_tools(gamestate)
  48         # Background
  49         self._soil = loader.load_image(
  50             "textures", "soil.png", transform=self.BRIGHTNESS)
  51         # Check if we've lost
  52         self._game_over_text = []
  53         if gamestate.seeds == 0 and len(self._turnips) == 0:
  54             self._draw_you_lose(gamestate)
  55         elif gamestate.harvested >= gamestate.turnip_target:
  56             self._draw_you_win(gamestate)
  57         else:
  58             write_save_file(gamestate.serialize())
  59         self._ending = False
  60
  61     def _draw_you_lose(self, gamestate):
  62         overlay = pygame.surface.Surface(
  63             (SCREEN_SIZE[0], 240), pgl.SWSURFACE).convert_alpha()
  64         overlay.fill((0, 0, 0, 128))
  65         self._game_over_text.append((overlay, (0, 250)))
  66         self._game_over_text.append(
  67             (shadowed_text("You Lost", FONTS["bold"], 48), (400, 280)))
  68         self._game_over_text.append(
  69             (shadowed_text("You have no seeds and no turnips growing",
  70                            FONTS["sans"], 24), (300, 350)))
  71         self._game_over_text.append(
  72             (shadowed_text("Press a key to return to the menu",
  73                            FONTS["sans"], 24), (350, 400)))
  74
  75     def _draw_you_win(self, gamestate):
  76         overlay = pygame.surface.Surface(
  77             (SCREEN_SIZE[0], 240), pgl.SWSURFACE).convert_alpha()
  78         overlay.fill((0, 0, 0, 128))
  79         self._game_over_text.append((overlay, (0, 250)))
  80         self._game_over_text.append(
  81             (shadowed_text("You Win", FONTS["bold"], 48), (400, 280)))
  82         self._game_over_text.append(
  83             (shadowed_text(
  84                 ("You have Successfully Harvested %d turnips" %
  85                  gamestate.harvested),
  86                 FONTS["sans"], 24),
  87              (300, 350)))
  88         self._game_over_text.append(
  89             (shadowed_text("Press a key to return to the menu",
  90                            FONTS["sans"], 24), (350, 400)))
  91
  92     def grow_turnips(self, gamestate):
  93         for turnip_data in gamestate.turnips:
  94             turnip = Turnip(space=self._space, **turnip_data)
  95             # Turnips grow at dawn
  96             seeds = turnip.grow()
  97             if seeds:
  98                 gamestate.seeds += seeds
  99                 gamestate.harvested += 1
 100             else:
 101                 self._turnips.append(turnip)
 102
 103     def create_tools(self, gamestate):
 104         tools = []
 105
 106         x, y, step = 50, SCREEN_SIZE[1] - 40, 50
 107
 108         tools.append(ImageButton('32', 'seed.png', name='seed', pos=(x, y)))
 109         x += step
 110
 111         for light_config in gamestate.station["available_lights"]:
 112             tool = ImageButton(
 113                 '32', '%s.png' % light_config["type"], name='light',
 114                 pos=(x, y))
 115             tool.light_config = light_config
 116             tools.append(tool)
 117             x += step
 118
 119         tools.append(ImageButton(
 120             '32', 'remove.png', name='remove light', pos=(x, y)))
 121         x += step
 122
 123         tools.append(ImageButton(
 124             '32', 'default_cursor.png', name='reset tool', pos=(x, y)))
 125
 126         tools.append(ImageButton(
 127             '32', 'night.png', name='start night',
 128             pos=(SCREEN_SIZE[0] - 100, y)))
 129         tools.append(ImageButton(
 130             '32', 'exit.png', name='exit', pos=(SCREEN_SIZE[0] - 50, y)))
 131         return tools
 132
 133     def exit(self, gamestate):
 134         self._unset_cursor()
 135         turnip_data = [turnip.serialize() for turnip in self._turnips]
 136         gamestate.turnips = turnip_data
 137
 138     def end_day(self, gamestate):
 139         if self._ending:
 140             return
 141         self._battery.apply_recharge()
 142         gamestate.update_lights(self._lights)
 143         self._ending = True
 144         from .night import NightScene
 145         SceneChangeEvent.post(scene=NightScene())
 146
 147     @property
 148     def turnip_count(self):
 149         return len(self._turnips)
 150
 151     @property
 152     def power_usage(self):
 153         power = self._lights.total_power_usage()
 154         power = power / (FPS * NIGHT_HOURS_PER_TICK)
 155         return int(round(power))
 156
 157     @debug_timer("day.render")
 158     def render(self, surface, gamestate):
 159         surface.blit(self._soil, (0, 0))
 160
 161         for turnip in self._turnips:
 162             turnip.render(surface)
 163         self._lights.render_light(surface)
 164         self._obstacles.render(surface)
 165         self._lights.render_fittings(surface)
 166         self._infobar.render(surface, gamestate)
 167         for tool in self._tools:
 168             tool.render(surface)
 169         for light_tool in self._light_toolbar:
 170             light_tool.render(surface)
 171         self._draw_cursor(surface)
 172         if self._game_over_text:
 173             for surf, pos in self._game_over_text:
 174                 surface.blit(surf, pos)
 175
 176     def _draw_light_toolbar(self, light_config, x):
 177         height = SCREEN_SIZE[1] - 80
 178         self._light_toolbar = []
 179         colour_combos = light_config["available_colours"]
 180         for combo in colour_combos:
 181             colours = combo.split("/")
 182             light_fitting = light_fitting_by_type(light_config["type"])
 183             light_tool = ImageButton(
 184                 "32", light_fitting, transform=ColourWedges(colours=colours),
 185                 pos=(x, height), name=combo)
 186             light_tool.colours = colours
 187             self._light_toolbar.append(light_tool)
 188             x += 40
 189
 190     def _clear_light_toolbar(self):
 191         self._light_toolbar = []
 192
 193     def _place_seed(self, gamestate, ev):
 194         if gamestate.seeds > 0:
 195             # plant seed
 196             # We don't want top-left to equal the mouse position,
 197             # since that looks weird, but we don't want to center
 198             # the turnip under the mouse either, since that
 199             # causes issues as well, so we compromise
 200             pos = (ev.pos[0] - 18, ev.pos[1] - 18)
 201             try:
 202                 turnip = Turnip(age=0, pos=pos, space=self._space)
 203                 self._turnips.append(turnip)
 204                 gamestate.seeds -= 1
 205             except TurnipInvalidPosition:
 206                 sound.play_sound("beep_kind.ogg")
 207
 208     def _update_light_angle(self, pos, gamestate):
 209         # Update the angle of the given light
 210         pos = pymunk.pygame_util.to_pygame(pos, pygame.display.get_surface())
 211         distance = pos - self._dragging.position
 212         angle = math.atan2(distance[1], distance[0])
 213         # Set light angle to this position
 214         self._dragging.ray_manager.direction = math.degrees(angle)
 215         # Hackily update gamestate with new angle
 216         for light_cfg in gamestate.station["lights"]:
 217             light_pos = pymunk.Vec2d(light_cfg["position"])
 218             if light_pos.get_dist_sqrd(self._dragging.position) < 5.0:
 219                 light_cfg["direction"] = math.degrees(angle)
 220                 break
 221
 222     def _place_light(self, gamestate, cfg, colours, ev):
 223         cfg = cfg.copy()
 224         cost = cfg.pop("cost")
 225         cfg.pop("available_colours")
 226         if gamestate.seeds > cost:
 227             pos = pymunk.pygame_util.from_pygame(
 228                 ev.pos, pygame.display.get_surface())
 229             # Bail if we're too close to an existing light, obstacle or turnip
 230             if check_space_for_light(self._space, pos, max_distance=25):
 231                 sound.play_sound("beep_kind.ogg")
 232                 return
 233             gamestate.seeds -= cost
 234             cfg["position"] = pos
 235             cfg["colours"] = colours
 236             gamestate.station["lights"].append(cfg)
 237             self._lights.add_light(cfg)
 238
 239     def _remove_light(self, ev):
 240         light = self._lights.nearest(ev.pos, surfpos=True, max_distance=25.0)
 241         if light:
 242             self._lights.remove_light(light)
 243
 244     def event(self, ev, gamestate):
 245         if self._ending:
 246             return
 247         if self._game_over_text:
 248             if ev.type in (pgl.KEYDOWN, pgl.MOUSEBUTTONDOWN):
 249                 self._ending = True
 250                 from .menu import MenuScene
 251                 SceneChangeEvent.post(scene=MenuScene())
 252         if ev.type == pgl.KEYDOWN:
 253             if ev.key in (pgl.K_q, pgl.K_ESCAPE):
 254                 self._ending = True
 255                 from .menu import MenuScene
 256                 SceneChangeEvent.post(scene=MenuScene())
 257             elif ev.key == pgl.K_e:
 258                 self.end_day(gamestate)
 259             elif ev.key == pgl.K_SPACE and DEBUG:
 260                 self._paused = not self._paused
 261         elif ev.type == pgl.MOUSEBUTTONDOWN:
 262             if ev.button == 1:
 263                 # Check tools
 264                 for tool in self._tools:
 265                     if tool.pressed(ev):
 266                         self._color = None
 267                         if tool.name == 'reset tool':
 268                             self._unset_cursor()
 269                             self._tool = None
 270                             self._clear_light_toolbar()
 271                         elif tool.name == 'start night':
 272                             self.end_day(gamestate)
 273                         elif tool.name == 'exit':
 274                             self._ending = True
 275                             from .menu import MenuScene
 276                             SceneChangeEvent.post(scene=MenuScene())
 277                         else:
 278                             self._tool = tool
 279                             if self._tool.name == 'seed':
 280                                 self._set_cursor(
 281                                     'seed', transform=Alpha(alpha=172))
 282                                 self._clear_light_toolbar()
 283                             elif self._tool.name == 'remove light':
 284                                 self._set_cursor(
 285                                     'remove', transform=Alpha(alpha=172))
 286                                 self._clear_light_toolbar()
 287                             elif self._tool.name == 'light':
 288                                 self._unset_cursor()
 289                                 self._draw_light_toolbar(
 290                                     self._tool.light_config, 100)
 291                         return
 292                 # Check light toolbar
 293                 for light_tool in self._light_toolbar:
 294                     if light_tool.pressed(ev):
 295                         fitting_image = light_fitting_by_type(
 296                             self._tool.light_config["type"])
 297                         self._set_cursor(
 298                             fitting_image[:-4],  # strip .png
 299                             transform=ColourWedges(colours=light_tool.colours))
 300                         # colour=COLOURS[0] + (172,)))
 301                         self._light_colors = light_tool.colours
 302                         return
 303                 if self._tool:
 304                     if self._tool.name == "seed":
 305                         self._place_seed(gamestate, ev)
 306                     elif self._tool.name == "remove light":
 307                         self._remove_light(ev)
 308                     elif self._tool.name == "light" and self._light_colors:
 309                         self._place_light(
 310                             gamestate, self._tool.light_config,
 311                             self._light_colors, ev)
 312                 else:
 313                     # Not tool, so check lights
 314                     self._lights.toggle_nearest(ev.pos, surfpos=True)
 315             elif ev.button == 3:
 316                 light = self._lights.nearest(ev.pos, surfpos=True,
 317                                              max_distance=20.0)
 318                 if light:
 319                     # Start drag to rotate light
 320                     self._dragging = light
 321                 elif self._tool:
 322                     # Unset tool
 323                     self._tool = None
 324                     self._clear_light_toolbar()
 325                     self._unset_cursor()
 326         elif ev.type == pgl.MOUSEMOTION:
 327             if self._dragging:
 328                 # Calculate angle between current position and mouse pos
 329                 self._update_light_angle(ev.pos, gamestate)
 330         elif ev.type == pgl.MOUSEBUTTONUP:
 331             self._dragging = None
 332
 333     @debug_timer("day.tick")
 334     def tick(self, gamestate):
 335         if not self._paused:
 336             self._lights.tick()