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