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