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