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 ..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         else:
  57             write_save_file(gamestate.serialize())
  58         self._ending = False
  59
  60     def _draw_you_lose(self, gamestate):
  61         overlay = pygame.surface.Surface(
  62             (SCREEN_SIZE[0], 240), pgl.SWSURFACE).convert_alpha()
  63         overlay.fill((0, 0, 0, 128))
  64         self._game_over_text.append((overlay, (0, 250)))
  65         self._game_over_text.append(
  66             (shadowed_text("You Lost", FONTS["bold"], 48), (400, 280)))
  67         self._game_over_text.append(
  68             (shadowed_text("You have no seeds and no turnips growing",
  69                            FONTS["sans"], 24), (300, 350)))
  70         self._game_over_text.append(
  71             (shadowed_text("Press a key to return to the menu",
  72                            FONTS["sans"], 24), (350, 400)))
  73
  74     def _draw_you_win(self, gamestate):
  75         overlay = pygame.surface.Surface(
  76             (SCREEN_SIZE[0], 240), pgl.SWSURFACE).convert_alpha()
  77         overlay.fill((0, 0, 0, 128))
  78         self._game_over_text.append((overlay, (0, 250)))
  79         self._game_over_text.append(
  80             (shadowed_text("You Win", FONTS["bold"], 48), (400, 280)))
  81         self._game_over_text.append(
  82             (shadowed_text(
  83                 ("You have Successfully Harvested %d turnips" %
  84                  gamestate.harvested),
  85                 FONTS["sans"], 24),
  86              (300, 350)))
  87         self._game_over_text.append(
  88             (shadowed_text("Press a key to return to the menu",
  89                            FONTS["sans"], 24), (350, 400)))
  90
  91     def grow_turnips(self, gamestate):
  92         for turnip_data in gamestate.turnips:
  93             turnip = Turnip(space=self._space, **turnip_data)
  94             # Turnips grow at dawn
  95             seeds = turnip.grow()
  96             if seeds:
  97                 gamestate.seeds += seeds
  98                 gamestate.harvested += 1
  99             else:
 100                 self._turnips.append(turnip)
 101
 102     def create_tools(self, gamestate):
 103         tools = []
 104
 105         x, y, step = 50, SCREEN_SIZE[1] - 40, 50
 106
 107         tools.append(ImageButton('32', 'seed.png', name='seed', pos=(x, y)))
 108         x += step
 109
 110         for light_config in gamestate.station["available_lights"]:
 111             tool = ImageButton(
 112                 '32', '%s.png' % light_config["type"], name='light',
 113                 pos=(x, y))
 114             tool.light_config = light_config
 115             tools.append(tool)
 116             x += step
 117
 118         tools.append(ImageButton(
 119             '32', 'remove.png', name='remove light', pos=(x, y)))
 120         x += step
 121
 122         tools.append(ImageButton(
 123             '32', 'default_cursor.png', name='reset tool', pos=(x, y)))
 124
 125         tools.append(ImageButton(
 126             '32', 'night.png', name='start night',
 127             pos=(SCREEN_SIZE[0] - 100, y)))
 128         tools.append(ImageButton(
 129             '32', 'exit.png', name='exit', pos=(SCREEN_SIZE[0] - 50, y)))
 130         return tools
 131
 132     def exit(self, gamestate):
 133         self._unset_cursor()
 134         turnip_data = [turnip.serialize() for turnip in self._turnips]
 135         gamestate.turnips = turnip_data
 136
 137     def end_day(self, gamestate):
 138         if self._ending:
 139             return
 140         self._battery.apply_recharge()
 141         gamestate.update_lights(self._lights)
 142         self._ending = True
 143         from .night import NightScene
 144         SceneChangeEvent.post(scene=NightScene())
 145
 146     @property
 147     def turnip_count(self):
 148         return len(self._turnips)
 149
 150     @property
 151     def power_usage(self):
 152         power = self._lights.total_power_usage()
 153         power = power / (FPS * NIGHT_HOURS_PER_TICK)
 154         return int(round(power))
 155
 156     @debug_timer("day.render")
 157     def render(self, surface, gamestate):
 158         surface.blit(self._soil, (0, 0))
 159
 160         for turnip in self._turnips:
 161             turnip.render(surface)
 162         self._lights.render_light(surface)
 163         self._obstacles.render(surface)
 164         self._lights.render_fittings(surface)
 165         self._infobar.render(surface, gamestate)
 166         for tool in self._tools:
 167             tool.render(surface)
 168         for light_tool in self._light_toolbar:
 169             light_tool.render(surface)
 170         self._draw_cursor(surface)
 171         if self._game_over_text:
 172             for surf, pos in self._game_over_text:
 173                 surface.blit(surf, pos)
 174
 175     def _draw_light_toolbar(self, light_config, x):
 176         height = SCREEN_SIZE[1] - 80
 177         self._light_toolbar = []
 178         colour_combos = light_config["available_colours"]
 179         for combo in colour_combos:
 180             colours = combo.split("/")
 181             light_fitting = light_fitting_by_type(light_config["type"])
 182             light_tool = ImageButton(
 183                 "32", light_fitting, transform=ColourWedges(colours=colours),
 184                 pos=(x, height), name=combo)
 185             light_tool.colours = colours
 186             self._light_toolbar.append(light_tool)
 187             x += 40
 188
 189     def _clear_light_toolbar(self):
 190         self._light_toolbar = []
 191
 192     def _place_seed(self, gamestate, ev):
 193         if gamestate.seeds > 0:
 194             # plant seed
 195             # We don't want top-left to equal the mouse position,
 196             # since that looks weird, but we don't want to center
 197             # the turnip under the mouse either, since that
 198             # causes issues as well, so we compromise
 199             pos = (ev.pos[0] - 18, ev.pos[1] - 18)
 200             try:
 201                 turnip = Turnip(age=0, pos=pos, space=self._space)
 202                 self._turnips.append(turnip)
 203                 gamestate.seeds -= 1
 204             except TurnipInvalidPosition:
 205                 # TODO: Add error sound or something
 206                 pass
 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                 return
 232             gamestate.seeds -= cost
 233             cfg["position"] = pos
 234             cfg["colours"] = colours
 235             gamestate.station["lights"].append(cfg)
 236             self._lights.add_light(cfg)
 237
 238     def _remove_light(self, ev):
 239         light = self._lights.nearest(ev.pos, surfpos=True, max_distance=25.0)
 240         if light:
 241             self._lights.remove_light(light)
 242
 243     def event(self, ev, gamestate):
 244         if self._ending:
 245             return
 246         if self._game_over_text:
 247             if ev.type in (pgl.KEYDOWN, pgl.MOUSEBUTTONDOWN):
 248                 self._ending = True
 249                 from .menu import MenuScene
 250                 SceneChangeEvent.post(scene=MenuScene())
 251         if ev.type == pgl.KEYDOWN:
 252             if ev.key in (pgl.K_q, pgl.K_ESCAPE):
 253                 self._ending = True
 254                 from .menu import MenuScene
 255                 SceneChangeEvent.post(scene=MenuScene())
 256             elif ev.key == pgl.K_e:
 257                 self.end_day(gamestate)
 258             elif ev.key == pgl.K_SPACE and DEBUG:
 259                 self._paused = not self._paused
 260         elif ev.type == pgl.MOUSEBUTTONDOWN:
 261             if ev.button == 1:
 262                 # Check tools
 263                 for tool in self._tools:
 264                     if tool.pressed(ev):
 265                         self._color = None
 266                         if tool.name == 'reset tool':
 267                             self._unset_cursor()
 268                             self._tool = None
 269                             self._clear_light_toolbar()
 270                         elif tool.name == 'start night':
 271                             self.end_day(gamestate)
 272                         elif tool.name == 'exit':
 273                             self._ending = True
 274                             from .menu import MenuScene
 275                             SceneChangeEvent.post(scene=MenuScene())
 276                         else:
 277                             self._tool = tool
 278                             if self._tool.name == 'seed':
 279                                 self._set_cursor(
 280                                     'seed', transform=Alpha(alpha=172))
 281                                 self._clear_light_toolbar()
 282                             elif self._tool.name == 'remove light':
 283                                 self._set_cursor(
 284                                     'remove', transform=Alpha(alpha=172))
 285                                 self._clear_light_toolbar()
 286                             elif self._tool.name == 'light':
 287                                 self._unset_cursor()
 288                                 self._draw_light_toolbar(
 289                                     self._tool.light_config, 100)
 290                         return
 291                 # Check light toolbar
 292                 for light_tool in self._light_toolbar:
 293                     if light_tool.pressed(ev):
 294                         fitting_image = light_fitting_by_type(
 295                             self._tool.light_config["type"])
 296                         self._set_cursor(
 297                             fitting_image[:-4],  # strip .png
 298                             transform=ColourWedges(colours=light_tool.colours))
 299                         # colour=COLOURS[0] + (172,)))
 300                         self._light_colors = light_tool.colours
 301                         return
 302                 if self._tool:
 303                     if self._tool.name == "seed":
 304                         self._place_seed(gamestate, ev)
 305                     elif self._tool.name == "remove light":
 306                         self._remove_light(ev)
 307                     elif self._tool.name == "light" and self._light_colors:
 308                         self._place_light(
 309                             gamestate, self._tool.light_config,
 310                             self._light_colors, ev)
 311                 else:
 312                     # Not tool, so check lights
 313                     self._lights.toggle_nearest(ev.pos, surfpos=True)
 314             elif ev.button == 3:
 315                 light = self._lights.nearest(ev.pos, surfpos=True,
 316                                              max_distance=20.0)
 317                 if light:
 318                     # Start drag to rotate light
 319                     self._dragging = light
 320                 elif self._tool:
 321                     # Unset tool
 322                     self._tool = None
 323                     self._clear_light_toolbar()
 324                     self._unset_cursor()
 325         elif ev.type == pgl.MOUSEMOTION:
 326             if self._dragging:
 327                 # Calculate angle between current position and mouse pos
 328                 self._update_light_angle(ev.pos, gamestate)
 329         elif ev.type == pgl.MOUSEBUTTONUP:
 330             self._dragging = None
 331
 332     @debug_timer("day.tick")
 333     def tick(self, gamestate):
 334         if not self._paused:
 335             self._lights.tick()