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