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._infobar_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._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_infobar(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     @debug_timer("day.render")
 136     def render(self, surface, gamestate):
 137         surface.blit(self._soil, (0, 0))
 138
 139         for turnip in self._turnips:
 140             turnip.render(surface)
 141         self._lights.render_light(surface)
 142         self._obstacles.render(surface)
 143         self._lights.render_fittings(surface)
 144         surface.blit(self._infobar, (50, 10), None)
 145         for tool in self._tools:
 146             tool.render(surface)
 147         for light_tool in self._light_toolbar:
 148             light_tool.render(surface)
 149         self._draw_cursor(surface)
 150         if self._game_over_text:
 151             for surf, pos in self._game_over_text:
 152                 surface.blit(surf, pos)
 153
 154     def _draw_light_toolbar(self, light_config, x):
 155         height = SCREEN_SIZE[1] - 80
 156         self._light_toolbar = []
 157         colour_combos = light_config["available_colours"]
 158         for combo in colour_combos:
 159             colours = combo.split("/")
 160             light_fitting = light_fitting_by_type(light_config["type"])
 161             light_tool = ImageButton(
 162                 "32", light_fitting, transform=ColourWedges(colours=colours),
 163                 pos=(x, height), name=combo)
 164             light_tool.colours = colours
 165             self._light_toolbar.append(light_tool)
 166             x += 40
 167
 168     def _clear_light_toolbar(self):
 169         self._light_toolbar = []
 170
 171     def _place_seed(self, gamestate, ev):
 172         if gamestate.seeds > 0:
 173             # plant seed
 174             # We don't want top-left to equal the mouse position,
 175             # since that looks weird, but we don't want to center
 176             # the turnip under the mouse either, since that
 177             # causes issues as well, so we compromise
 178             pos = (ev.pos[0] - 8, ev.pos[1] - 8)
 179             try:
 180                 turnip = Turnip(age=0, pos=pos, space=self._space)
 181                 self._turnips.append(turnip)
 182                 gamestate.seeds -= 1
 183                 self._update_infobar(gamestate)
 184             except TurnipInvalidPosition:
 185                 # TODO: Add error sound or something
 186                 pass
 187
 188     def _update_light_angle(self, pos, gamestate):
 189         # Update the angle of the given light
 190         pos = pymunk.pygame_util.to_pygame(pos, pygame.display.get_surface())
 191         distance = pos - self._dragging.position
 192         angle = math.atan2(distance[1], distance[0])
 193         # Set light angle to this position
 194         self._dragging.ray_manager.direction = math.degrees(angle)
 195         # Hackily update gamestate with new angle
 196         for light_cfg in gamestate.station["lights"]:
 197             light_pos = pymunk.Vec2d(light_cfg["position"])
 198             if light_pos.get_dist_sqrd(self._dragging.position) < 5.0:
 199                 light_cfg["direction"] = math.degrees(angle)
 200                 break
 201
 202     def _place_light(self, gamestate, cfg, colours, ev):
 203         cfg = cfg.copy()
 204         cost = cfg.pop("cost")
 205         cfg.pop("available_colours")
 206         if gamestate.seeds > cost:
 207             pos = pymunk.pygame_util.from_pygame(
 208                 ev.pos, pygame.display.get_surface())
 209             # Bail if we're too close to an existing light
 210             if self._lights.nearest(pos, max_distance=25):
 211                 return
 212             gamestate.seeds -= cost
 213             self._update_infobar(gamestate)
 214             cfg["position"] = pos
 215             cfg["colours"] = colours
 216             gamestate.station["lights"].append(cfg)
 217             self._lights.add_light(cfg)
 218
 219     def event(self, ev, gamestate):
 220         if self._game_over_text:
 221             if ev.type in (pgl.KEYDOWN, pgl.MOUSEBUTTONDOWN):
 222                 from .menu import MenuScene
 223                 SceneChangeEvent.post(scene=MenuScene())
 224         if ev.type == pgl.KEYDOWN:
 225             if ev.key in (pgl.K_q, pgl.K_ESCAPE):
 226                 from .menu import MenuScene
 227                 SceneChangeEvent.post(scene=MenuScene())
 228             elif ev.key == pgl.K_e:
 229                 self.end_day(gamestate)
 230             elif ev.key == pgl.K_SPACE and DEBUG:
 231                 self._paused = not self._paused
 232         elif ev.type == pgl.MOUSEBUTTONDOWN:
 233             if ev.button == 1:
 234                 # Check tools
 235                 for tool in self._tools:
 236                     if tool.pressed(ev):
 237                         self._color = None
 238                         if tool.name == 'reset tool':
 239                             self._unset_cursor()
 240                             self._tool = None
 241                             self._clear_light_toolbar()
 242                         elif tool.name == 'start night':
 243                             self.end_day(gamestate)
 244                         elif tool.name == 'exit':
 245                             from .menu import MenuScene
 246                             SceneChangeEvent.post(scene=MenuScene())
 247                         else:
 248                             self._tool = tool
 249                             if self._tool.name == 'seed':
 250                                 self._set_cursor(
 251                                     'seed', transform=Alpha(alpha=172))
 252                                 self._clear_light_toolbar()
 253                             elif self._tool.name == 'light':
 254                                 self._unset_cursor()
 255                                 self._draw_light_toolbar(
 256                                     self._tool.light_config, 100)
 257                         return
 258                 # Check light toolbar
 259                 for light_tool in self._light_toolbar:
 260                     if light_tool.pressed(ev):
 261                         fitting_image = light_fitting_by_type(
 262                             self._tool.light_config["type"])
 263                         self._set_cursor(
 264                             fitting_image[:-4],  # strip .png
 265                             transform=ColourWedges(colours=light_tool.colours))
 266                         # colour=COLOURS[0] + (172,)))
 267                         self._light_colors = light_tool.colours
 268                         return
 269                 if self._tool:
 270                     if self._tool.name == "seed":
 271                         self._place_seed(gamestate, ev)
 272                     elif self._tool.name == "light" and self._light_colors:
 273                         self._place_light(
 274                             gamestate, self._tool.light_config,
 275                             self._light_colors, ev)
 276                 else:
 277                     # Not tool, so check lights
 278                     self._lights.toggle_nearest(ev.pos, surfpos=True)
 279             elif ev.button == 3:
 280                 light = self._lights.nearest(ev.pos, surfpos=True,
 281                                              max_distance=20.0)
 282                 if light:
 283                     # Start drag to rotate light
 284                     self._dragging = light
 285                 elif self._tool:
 286                     # Unset tool
 287                     self._tool = None
 288                     self._clear_light_toolbar()
 289                     self._unset_cursor()
 290         elif ev.type == pgl.MOUSEMOTION:
 291             if self._dragging:
 292                 # Calculate angle between current position and mouse pos
 293                 self._update_light_angle(ev.pos, gamestate)
 294         elif ev.type == pgl.MOUSEBUTTONUP:
 295             self._dragging = None
 296
 297     @debug_timer("day.tick")
 298     def tick(self, gamestate):
 299         if not self._paused:
 300             self._lights.tick()
 301
 302     def _update_infobar(self, gamestate):
 303         line1 = ("Day %d: Goal: %d Turnips. Turnips harvested: %d" % (
 304             gamestate.days, gamestate.turnip_target, gamestate.harvested))
 305         line1_img = self._infobar_font.render(line1, True, (255, 255, 255))
 306         line2 = ("Turnip Stocks: Seeds: %s. Planted: %d. Battery: %d/%d" % (
 307             gamestate.seeds, len(self._turnips), self._battery.current,
 308             self._battery.max))
 309         line2_img = self._infobar_font.render(line2, True, (255, 255, 255))
 310         width = max(line1_img.get_width(), line2_img.get_width()) + 10
 311         height = line1_img.get_height() + line2_img.get_height() + 10
 312         self._infobar = pygame.surface.Surface(
 313             (width, height), pgl.SWSURFACE).convert_alpha()
 314         self._infobar.fill((0, 0, 0, 64))
 315         self._infobar.blit(line1_img, (5, 3), None)
 316         self._infobar.blit(line2_img, (5, 8 + line1_img.get_height()), None)