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 ..obstacles import ObstacleManager
  16 from ..events import SceneChangeEvent
  17 from ..utils import debug_timer, shadowed_text
  18 from ..loader import loader
  19 from ..transforms import Overlay, Alpha, ColourWedges
  20
  21 from ..constants import SCREEN_SIZE, FONTS, DEBUG
  22 from ..widgets import ImageButton
  23 from ..turnip import Turnip, TurnipInvalidPosition
  24
  25
  26 class DayScene(BaseScene):
  27
  28     BRIGHTNESS = Overlay(colour=(255, 255, 255, 50))
  29
  30     def enter(self, gamestate):
  31         self._space = pymunk.Space()
  32         self._toolbar_font = loader.load_font(FONTS['sans'], size=20)
  33         self._obstacles = ObstacleManager(self._space, gamestate)
  34         self._lights = LightManager(self._space, gamestate)
  35         self._battery = BatteryManager(gamestate)
  36         self._turnips = []
  37         self._seeds = gamestate.seeds
  38         self._harvested = gamestate.harvested
  39         self._paused = False
  40         self._tool = None
  41         self._light_colors = None
  42         self._dragging = None
  43         # Turnip
  44         self.grow_turnips(gamestate)
  45         # Tools
  46         self._light_toolbar = []
  47         self._tools = self.create_tools(gamestate)
  48         self._update_toolbar(gamestate)
  49         # Background
  50         self._soil = loader.load_image(
  51             "textures", "soil.png", transform=self.BRIGHTNESS)
  52         # Check if we've lost
  53         self._game_over_text = []
  54         if self._seeds == 0 and len(self._turnips) == 0:
  55             self._draw_game_over_text()
  56
  57     def _draw_game_over_text(self):
  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), (250, 350)))
  67         self._game_over_text.append(
  68             (shadowed_text("Press a key to return to the menu",
  69                            FONTS["sans"], 24), (250, 400)))
  70
  71     def grow_turnips(self, gamestate):
  72         for turnip_data in gamestate.turnips:
  73             turnip = Turnip(space=self._space, **turnip_data)
  74             # Turnips grow at dawn
  75             seeds = turnip.grow()
  76             if seeds:
  77                 self._seeds += seeds
  78                 self._harvested += 1
  79             else:
  80                 self._turnips.append(turnip)
  81
  82     def create_tools(self, gamestate):
  83         tools = []
  84
  85         x, y, step = 50, SCREEN_SIZE[1] - 40, 50
  86
  87         tools.append(ImageButton('32', 'seed.png', name='seed', pos=(x, y)))
  88         x += step
  89
  90         for light_config in gamestate.station["available_lights"]:
  91             tool = ImageButton(
  92                 '32', '%s.png' % light_config["type"], name='light',
  93                 pos=(x, y))
  94             tool.light_config = light_config
  95             tools.append(tool)
  96             x += step
  97
  98         tools.append(ImageButton(
  99             '32', 'default_cursor.png', name='reset tool', pos=(x, y)))
 100
 101         tools.append(ImageButton(
 102             '32', 'night.png', name='start night',
 103             pos=(SCREEN_SIZE[0] - 100, y)))
 104         tools.append(ImageButton(
 105             '32', 'exit.png', name='exit', pos=(SCREEN_SIZE[0] - 50, y)))
 106         return tools
 107
 108     def exit(self, gamestate):
 109         self._unset_cursor()
 110         gamestate.seeds = self._seeds
 111         gamestate.harvested = self._harvested
 112         turnip_data = [turnip.serialize() for turnip in self._turnips]
 113         gamestate.turnips = turnip_data
 114
 115     def end_day(self, gamestate):
 116         self._battery.apply_recharge()
 117         from .night import NightScene
 118         SceneChangeEvent.post(scene=NightScene())
 119
 120     @debug_timer("day.render")
 121     def render(self, surface, gamestate):
 122         surface.blit(self._soil, (0, 0))
 123
 124         for turnip in self._turnips:
 125             turnip.render(surface)
 126         self._lights.render_light(surface)
 127         self._obstacles.render(surface)
 128         self._lights.render_fittings(surface)
 129         surface.blit(self._toolbar, (120, 10), None)
 130         for tool in self._tools:
 131             tool.render(surface)
 132         for light_tool in self._light_toolbar:
 133             light_tool.render(surface)
 134         self._draw_cursor(surface)
 135         if self._game_over_text:
 136             for surf, pos in self._game_over_text:
 137                 surface.blit(surf, pos)
 138
 139     def _draw_light_toolbar(self, light_config, x):
 140         height = SCREEN_SIZE[1] - 80
 141         self._light_toolbar = []
 142         colour_combos = light_config["available_colours"]
 143         for combo in colour_combos:
 144             colours = combo.split("/")
 145             light_fitting = light_fitting_by_type(light_config["type"])
 146             light_tool = ImageButton(
 147                 "32", light_fitting, transform=ColourWedges(colours=colours),
 148                 pos=(x, height), name=combo)
 149             light_tool.colours = colours
 150             self._light_toolbar.append(light_tool)
 151             x += 40
 152
 153     def _clear_light_toolbar(self):
 154         self._light_toolbar = []
 155
 156     def _place_seed(self, gamestate, ev):
 157         if self._seeds > 0:
 158             # plant seed
 159             # We don't want top-left to equal the mouse position,
 160             # since that looks weird, but we don't want to center
 161             # the turnip under the mouse either, since that
 162             # causes issues as well, so we compromise
 163             pos = (ev.pos[0] - 8, ev.pos[1] - 8)
 164             try:
 165                 turnip = Turnip(age=0, pos=pos, space=self._space)
 166                 self._turnips.append(turnip)
 167                 self._seeds -= 1
 168                 self._update_toolbar(gamestate)
 169             except TurnipInvalidPosition:
 170                 # TODO: Add error sound or something
 171                 pass
 172
 173     def _update_light_angle(self, pos, gamestate):
 174         # Update the angle of the given light
 175         pos = pymunk.pygame_util.to_pygame(pos, pygame.display.get_surface())
 176         distance = pos - self._dragging.position
 177         angle = math.atan2(distance[1], distance[0])
 178         # Set light angle to this position
 179         self._dragging.ray_manager.direction = math.degrees(angle)
 180         # Hackily update gamestate with new angle
 181         for light_cfg in gamestate.station["lights"]:
 182             light_pos = pymunk.Vec2d(light_cfg["position"])
 183             if light_pos.get_dist_sqrd(self._dragging.position) < 5.0:
 184                 light_cfg["direction"] = math.degrees(angle)
 185                 break
 186
 187     def _place_light(self, gamestate, cfg, colours, ev):
 188         cfg = cfg.copy()
 189         cost = cfg.pop("cost")
 190         cfg.pop("available_colours")
 191         if self._seeds > cost:
 192             pos = pymunk.pygame_util.from_pygame(
 193                 ev.pos, pygame.display.get_surface())
 194             # Bail if we're too close to an existing light
 195             if self._lights.nearest(pos, max_distance=25):
 196                 return
 197             self._seeds -= cost
 198             self._update_toolbar(gamestate)
 199             cfg["position"] = pos
 200             cfg["colours"] = colours
 201             gamestate.station["lights"].append(cfg)
 202             self._lights.add_light(cfg)
 203
 204     def event(self, ev, gamestate):
 205         if self._game_over_text:
 206             if ev.type in (pgl.KEYDOWN, pgl.MOUSEBUTTONDOWN):
 207                 from .menu import MenuScene
 208                 SceneChangeEvent.post(scene=MenuScene())
 209         if ev.type == pgl.KEYDOWN:
 210             if ev.key in (pgl.K_q, pgl.K_ESCAPE):
 211                 from .menu import MenuScene
 212                 SceneChangeEvent.post(scene=MenuScene())
 213             elif ev.key == pgl.K_e:
 214                 self.end_day(gamestate)
 215             elif ev.key == pgl.K_SPACE and DEBUG:
 216                 self._paused = not self._paused
 217         elif ev.type == pgl.MOUSEBUTTONDOWN:
 218             if ev.button == 1:
 219                 # Check tools
 220                 for tool in self._tools:
 221                     if tool.pressed(ev):
 222                         self._color = None
 223                         if tool.name == 'reset tool':
 224                             self._unset_cursor()
 225                             self._tool = None
 226                             self._clear_light_toolbar()
 227                         elif tool.name == 'start night':
 228                             self.end_day(gamestate)
 229                         elif tool.name == 'exit':
 230                             from .menu import MenuScene
 231                             SceneChangeEvent.post(scene=MenuScene())
 232                         else:
 233                             self._tool = tool
 234                             if self._tool.name == 'seed':
 235                                 self._set_cursor(
 236                                     'seed', transform=Alpha(alpha=172))
 237                                 self._clear_light_toolbar()
 238                             elif self._tool.name == 'light':
 239                                 self._unset_cursor()
 240                                 self._draw_light_toolbar(
 241                                     self._tool.light_config, 100)
 242                         return
 243                 # Check light toolbar
 244                 for light_tool in self._light_toolbar:
 245                     if light_tool.pressed(ev):
 246                         fitting_image = light_fitting_by_type(
 247                             self._tool.light_config["type"])
 248                         self._set_cursor(
 249                             fitting_image[:-4],  # strip .png
 250                             transform=ColourWedges(colours=light_tool.colours))
 251                         # colour=COLOURS[0] + (172,)))
 252                         self._light_colors = light_tool.colours
 253                         return
 254                 if self._tool:
 255                     if self._tool.name == "seed":
 256                         self._place_seed(gamestate, ev)
 257                     elif self._tool.name == "light" and self._light_colors:
 258                         self._place_light(
 259                             gamestate, self._tool.light_config,
 260                             self._light_colors, ev)
 261                 else:
 262                     # Not tool, so check lights
 263                     self._lights.toggle_nearest(ev.pos, surfpos=True)
 264             elif ev.button == 3:
 265                 light = self._lights.nearest(ev.pos, surfpos=True,
 266                                              max_distance=20.0)
 267                 if light:
 268                     # Start drag to rotate light
 269                     self._dragging = light
 270                 elif self._tool:
 271                     # Unset tool
 272                     self._tool = None
 273                     self._clear_light_toolbar()
 274                     self._unset_cursor()
 275         elif ev.type == pgl.MOUSEMOTION:
 276             if self._dragging:
 277                 # Calculate angle between current position and mouse pos
 278                 self._update_light_angle(ev.pos, gamestate)
 279         elif ev.type == pgl.MOUSEBUTTONUP:
 280             self._dragging = None
 281
 282     @debug_timer("day.tick")
 283     def tick(self, gamestate):
 284         if not self._paused:
 285             self._lights.tick()
 286
 287     def _update_toolbar(self, gamestate):
 288         text = ("Day: %d: Turnip Stocks: Seeds: %d. Planted: %d. "
 289                 "Harvested: %d. Destroyed: %d" %
 290                 (gamestate.days, self._seeds, len(self._turnips),
 291                  self._harvested, gamestate.eaten))
 292         self._toolbar = self._toolbar_font.render(text, True, (255, 255, 255))