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', 'default_cursor.png', name='reset tool', pos=(x, y)))
 120
 121         tools.append(ImageButton(
 122             '32', 'night.png', name='start night',
 123             pos=(SCREEN_SIZE[0] - 100, y)))
 124         tools.append(ImageButton(
 125             '32', 'exit.png', name='exit', pos=(SCREEN_SIZE[0] - 50, y)))
 126         return tools
 127
 128     def exit(self, gamestate):
 129         self._unset_cursor()
 130         turnip_data = [turnip.serialize() for turnip in self._turnips]
 131         gamestate.turnips = turnip_data
 132
 133     def end_day(self, gamestate):
 134         if self._ending:
 135             return
 136         self._battery.apply_recharge()
 137         gamestate.update_lights(self._lights)
 138         self._ending = True
 139         from .night import NightScene
 140         SceneChangeEvent.post(scene=NightScene())
 141
 142     @property
 143     def turnip_count(self):
 144         return len(self._turnips)
 145
 146     @property
 147     def power_usage(self):
 148         power = self._lights.total_power_usage()
 149         power = power / (FPS * NIGHT_HOURS_PER_TICK)
 150         return int(round(power))
 151
 152     @debug_timer("day.render")
 153     def render(self, surface, gamestate):
 154         surface.blit(self._soil, (0, 0))
 155
 156         for turnip in self._turnips:
 157             turnip.render(surface)
 158         self._lights.render_light(surface)
 159         self._obstacles.render(surface)
 160         self._lights.render_fittings(surface)
 161         self._infobar.render(surface, gamestate)
 162         for tool in self._tools:
 163             tool.render(surface)
 164         for light_tool in self._light_toolbar:
 165             light_tool.render(surface)
 166         self._draw_cursor(surface)
 167         if self._game_over_text:
 168             for surf, pos in self._game_over_text:
 169                 surface.blit(surf, pos)
 170
 171     def _draw_light_toolbar(self, light_config, x):
 172         height = SCREEN_SIZE[1] - 80
 173         self._light_toolbar = []
 174         colour_combos = light_config["available_colours"]
 175         for combo in colour_combos:
 176             colours = combo.split("/")
 177             light_fitting = light_fitting_by_type(light_config["type"])
 178             light_tool = ImageButton(
 179                 "32", light_fitting, transform=ColourWedges(colours=colours),
 180                 pos=(x, height), name=combo)
 181             light_tool.colours = colours
 182             self._light_toolbar.append(light_tool)
 183             x += 40
 184
 185     def _clear_light_toolbar(self):
 186         self._light_toolbar = []
 187
 188     def _place_seed(self, gamestate, ev):
 189         if gamestate.seeds > 0:
 190             # plant seed
 191             # We don't want top-left to equal the mouse position,
 192             # since that looks weird, but we don't want to center
 193             # the turnip under the mouse either, since that
 194             # causes issues as well, so we compromise
 195             pos = (ev.pos[0] - 18, ev.pos[1] - 18)
 196             try:
 197                 turnip = Turnip(age=0, pos=pos, space=self._space)
 198                 self._turnips.append(turnip)
 199                 gamestate.seeds -= 1
 200             except TurnipInvalidPosition:
 201                 # TODO: Add error sound or something
 202                 pass
 203
 204     def _update_light_angle(self, pos, gamestate):
 205         # Update the angle of the given light
 206         pos = pymunk.pygame_util.to_pygame(pos, pygame.display.get_surface())
 207         distance = pos - self._dragging.position
 208         angle = math.atan2(distance[1], distance[0])
 209         # Set light angle to this position
 210         self._dragging.ray_manager.direction = math.degrees(angle)
 211         # Hackily update gamestate with new angle
 212         for light_cfg in gamestate.station["lights"]:
 213             light_pos = pymunk.Vec2d(light_cfg["position"])
 214             if light_pos.get_dist_sqrd(self._dragging.position) < 5.0:
 215                 light_cfg["direction"] = math.degrees(angle)
 216                 break
 217
 218     def _place_light(self, gamestate, cfg, colours, ev):
 219         cfg = cfg.copy()
 220         cost = cfg.pop("cost")
 221         cfg.pop("available_colours")
 222         if gamestate.seeds > cost:
 223             pos = pymunk.pygame_util.from_pygame(
 224                 ev.pos, pygame.display.get_surface())
 225             # Bail if we're too close to an existing light, obstacle or turnip
 226             if check_space_for_light(self._space, pos, max_distance=25):
 227                 return
 228             gamestate.seeds -= cost
 229             cfg["position"] = pos
 230             cfg["colours"] = colours
 231             gamestate.station["lights"].append(cfg)
 232             self._lights.add_light(cfg)
 233
 234     def event(self, ev, gamestate):
 235         if self._ending:
 236             return
 237         if self._game_over_text:
 238             if ev.type in (pgl.KEYDOWN, pgl.MOUSEBUTTONDOWN):
 239                 self._ending = True
 240                 from .menu import MenuScene
 241                 SceneChangeEvent.post(scene=MenuScene())
 242         if ev.type == pgl.KEYDOWN:
 243             if ev.key in (pgl.K_q, pgl.K_ESCAPE):
 244                 self._ending = True
 245                 from .menu import MenuScene
 246                 SceneChangeEvent.post(scene=MenuScene())
 247             elif ev.key == pgl.K_e:
 248                 self.end_day(gamestate)
 249             elif ev.key == pgl.K_SPACE and DEBUG:
 250                 self._paused = not self._paused
 251         elif ev.type == pgl.MOUSEBUTTONDOWN:
 252             if ev.button == 1:
 253                 # Check tools
 254                 for tool in self._tools:
 255                     if tool.pressed(ev):
 256                         self._color = None
 257                         if tool.name == 'reset tool':
 258                             self._unset_cursor()
 259                             self._tool = None
 260                             self._clear_light_toolbar()
 261                         elif tool.name == 'start night':
 262                             self.end_day(gamestate)
 263                         elif tool.name == 'exit':
 264                             self._ending = True
 265                             from .menu import MenuScene
 266                             SceneChangeEvent.post(scene=MenuScene())
 267                         else:
 268                             self._tool = tool
 269                             if self._tool.name == 'seed':
 270                                 self._set_cursor(
 271                                     'seed', transform=Alpha(alpha=172))
 272                                 self._clear_light_toolbar()
 273                             elif self._tool.name == 'light':
 274                                 self._unset_cursor()
 275                                 self._draw_light_toolbar(
 276                                     self._tool.light_config, 100)
 277                         return
 278                 # Check light toolbar
 279                 for light_tool in self._light_toolbar:
 280                     if light_tool.pressed(ev):
 281                         fitting_image = light_fitting_by_type(
 282                             self._tool.light_config["type"])
 283                         self._set_cursor(
 284                             fitting_image[:-4],  # strip .png
 285                             transform=ColourWedges(colours=light_tool.colours))
 286                         # colour=COLOURS[0] + (172,)))
 287                         self._light_colors = light_tool.colours
 288                         return
 289                 if self._tool:
 290                     if self._tool.name == "seed":
 291                         self._place_seed(gamestate, ev)
 292                     elif self._tool.name == "light" and self._light_colors:
 293                         self._place_light(
 294                             gamestate, self._tool.light_config,
 295                             self._light_colors, ev)
 296                 else:
 297                     # Not tool, so check lights
 298                     self._lights.toggle_nearest(ev.pos, surfpos=True)
 299             elif ev.button == 3:
 300                 light = self._lights.nearest(ev.pos, surfpos=True,
 301                                              max_distance=20.0)
 302                 if light:
 303                     # Start drag to rotate light
 304                     self._dragging = light
 305                 elif self._tool:
 306                     # Unset tool
 307                     self._tool = None
 308                     self._clear_light_toolbar()
 309                     self._unset_cursor()
 310         elif ev.type == pgl.MOUSEMOTION:
 311             if self._dragging:
 312                 # Calculate angle between current position and mouse pos
 313                 self._update_light_angle(ev.pos, gamestate)
 314         elif ev.type == pgl.MOUSEBUTTONUP:
 315             self._dragging = None
 316
 317     @debug_timer("day.tick")
 318     def tick(self, gamestate):
 319         if not self._paused:
 320             self._lights.tick()