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._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_infobar(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_you_lose()
  56         elif self._harvested >= gamestate.get_target():
  57             self._draw_you_win()
  58
  59     def _draw_you_lose(self):
  60         overlay = pygame.surface.Surface(
  61             (SCREEN_SIZE[0], 240), pgl.SWSURFACE).convert_alpha()
  62         overlay.fill((0, 0, 0, 128))
  63         self._game_over_text.append((overlay, (0, 250)))
  64         self._game_over_text.append(
  65             (shadowed_text("You Lost", FONTS["bold"], 48), (400, 280)))
  66         self._game_over_text.append(
  67             (shadowed_text("You have no seeds and no turnips growing",
  68                            FONTS["sans"], 24), (300, 350)))
  69         self._game_over_text.append(
  70             (shadowed_text("Press a key to return to the menu",
  71                            FONTS["sans"], 24), (350, 400)))
  72
  73     def _draw_you_win(self):
  74         overlay = pygame.surface.Surface(
  75             (SCREEN_SIZE[0], 240), pgl.SWSURFACE).convert_alpha()
  76         overlay.fill((0, 0, 0, 128))
  77         self._game_over_text.append((overlay, (0, 250)))
  78         self._game_over_text.append(
  79             (shadowed_text("You Win", FONTS["bold"], 48), (400, 280)))
  80         self._game_over_text.append(
  81             (shadowed_text(
  82                 "You have Successfully Harvested %d turnips" % self._harvested,
  83                 FONTS["sans"], 24),
  84              (300, 350)))
  85         self._game_over_text.append(
  86             (shadowed_text("Press a key to return to the menu",
  87                            FONTS["sans"], 24), (350, 400)))
  88
  89     def grow_turnips(self, gamestate):
  90         for turnip_data in gamestate.turnips:
  91             turnip = Turnip(space=self._space, **turnip_data)
  92             # Turnips grow at dawn
  93             seeds = turnip.grow()
  94             if seeds:
  95                 self._seeds += seeds
  96                 self._harvested += 1
  97             else:
  98                 self._turnips.append(turnip)
  99
 100     def create_tools(self, gamestate):
 101         tools = []
 102
 103         x, y, step = 50, SCREEN_SIZE[1] - 40, 50
 104
 105         tools.append(ImageButton('32', 'seed.png', name='seed', pos=(x, y)))
 106         x += step
 107
 108         for light_config in gamestate.station["available_lights"]:
 109             tool = ImageButton(
 110                 '32', '%s.png' % light_config["type"], name='light',
 111                 pos=(x, y))
 112             tool.light_config = light_config
 113             tools.append(tool)
 114             x += step
 115
 116         tools.append(ImageButton(
 117             '32', 'default_cursor.png', name='reset tool', pos=(x, y)))
 118
 119         tools.append(ImageButton(
 120             '32', 'night.png', name='start night',
 121             pos=(SCREEN_SIZE[0] - 100, y)))
 122         tools.append(ImageButton(
 123             '32', 'exit.png', name='exit', pos=(SCREEN_SIZE[0] - 50, y)))
 124         return tools
 125
 126     def exit(self, gamestate):
 127         self._unset_cursor()
 128         gamestate.seeds = self._seeds
 129         gamestate.harvested = self._harvested
 130         turnip_data = [turnip.serialize() for turnip in self._turnips]
 131         gamestate.turnips = turnip_data
 132
 133     def end_day(self, gamestate):
 134         self._battery.apply_recharge()
 135         from .night import NightScene
 136         SceneChangeEvent.post(scene=NightScene())
 137
 138     @debug_timer("day.render")
 139     def render(self, surface, gamestate):
 140         surface.blit(self._soil, (0, 0))
 141
 142         for turnip in self._turnips:
 143             turnip.render(surface)
 144         self._lights.render_light(surface)
 145         self._obstacles.render(surface)
 146         self._lights.render_fittings(surface)
 147         surface.blit(self._infobar, (50, 10), None)
 148         for tool in self._tools:
 149             tool.render(surface)
 150         for light_tool in self._light_toolbar:
 151             light_tool.render(surface)
 152         self._draw_cursor(surface)
 153         if self._game_over_text:
 154             for surf, pos in self._game_over_text:
 155                 surface.blit(surf, pos)
 156
 157     def _draw_light_toolbar(self, light_config, x):
 158         height = SCREEN_SIZE[1] - 80
 159         self._light_toolbar = []
 160         colour_combos = light_config["available_colours"]
 161         for combo in colour_combos:
 162             colours = combo.split("/")
 163             light_fitting = light_fitting_by_type(light_config["type"])
 164             light_tool = ImageButton(
 165                 "32", light_fitting, transform=ColourWedges(colours=colours),
 166                 pos=(x, height), name=combo)
 167             light_tool.colours = colours
 168             self._light_toolbar.append(light_tool)
 169             x += 40
 170
 171     def _clear_light_toolbar(self):
 172         self._light_toolbar = []
 173
 174     def _place_seed(self, gamestate, ev):
 175         if self._seeds > 0:
 176             # plant seed
 177             # We don't want top-left to equal the mouse position,
 178             # since that looks weird, but we don't want to center
 179             # the turnip under the mouse either, since that
 180             # causes issues as well, so we compromise
 181             pos = (ev.pos[0] - 8, ev.pos[1] - 8)
 182             try:
 183                 turnip = Turnip(age=0, pos=pos, space=self._space)
 184                 self._turnips.append(turnip)
 185                 self._seeds -= 1
 186                 self._update_infobar(gamestate)
 187             except TurnipInvalidPosition:
 188                 # TODO: Add error sound or something
 189                 pass
 190
 191     def _update_light_angle(self, pos, gamestate):
 192         # Update the angle of the given light
 193         pos = pymunk.pygame_util.to_pygame(pos, pygame.display.get_surface())
 194         distance = pos - self._dragging.position
 195         angle = math.atan2(distance[1], distance[0])
 196         # Set light angle to this position
 197         self._dragging.ray_manager.direction = math.degrees(angle)
 198         # Hackily update gamestate with new angle
 199         for light_cfg in gamestate.station["lights"]:
 200             light_pos = pymunk.Vec2d(light_cfg["position"])
 201             if light_pos.get_dist_sqrd(self._dragging.position) < 5.0:
 202                 light_cfg["direction"] = math.degrees(angle)
 203                 break
 204
 205     def _place_light(self, gamestate, cfg, colours, ev):
 206         cfg = cfg.copy()
 207         cost = cfg.pop("cost")
 208         cfg.pop("available_colours")
 209         if self._seeds > cost:
 210             pos = pymunk.pygame_util.from_pygame(
 211                 ev.pos, pygame.display.get_surface())
 212             # Bail if we're too close to an existing light
 213             if self._lights.nearest(pos, max_distance=25):
 214                 return
 215             self._seeds -= cost
 216             self._update_infobar(gamestate)
 217             cfg["position"] = pos
 218             cfg["colours"] = colours
 219             gamestate.station["lights"].append(cfg)
 220             self._lights.add_light(cfg)
 221
 222     def event(self, ev, gamestate):
 223         if self._game_over_text:
 224             if ev.type in (pgl.KEYDOWN, pgl.MOUSEBUTTONDOWN):
 225                 from .menu import MenuScene
 226                 SceneChangeEvent.post(scene=MenuScene())
 227         if ev.type == pgl.KEYDOWN:
 228             if ev.key in (pgl.K_q, pgl.K_ESCAPE):
 229                 from .menu import MenuScene
 230                 SceneChangeEvent.post(scene=MenuScene())
 231             elif ev.key == pgl.K_e:
 232                 self.end_day(gamestate)
 233             elif ev.key == pgl.K_SPACE and DEBUG:
 234                 self._paused = not self._paused
 235         elif ev.type == pgl.MOUSEBUTTONDOWN:
 236             if ev.button == 1:
 237                 # Check tools
 238                 for tool in self._tools:
 239                     if tool.pressed(ev):
 240                         self._color = None
 241                         if tool.name == 'reset tool':
 242                             self._unset_cursor()
 243                             self._tool = None
 244                             self._clear_light_toolbar()
 245                         elif tool.name == 'start night':
 246                             self.end_day(gamestate)
 247                         elif tool.name == 'exit':
 248                             from .menu import MenuScene
 249                             SceneChangeEvent.post(scene=MenuScene())
 250                         else:
 251                             self._tool = tool
 252                             if self._tool.name == 'seed':
 253                                 self._set_cursor(
 254                                     'seed', transform=Alpha(alpha=172))
 255                                 self._clear_light_toolbar()
 256                             elif self._tool.name == 'light':
 257                                 self._unset_cursor()
 258                                 self._draw_light_toolbar(
 259                                     self._tool.light_config, 100)
 260                         return
 261                 # Check light toolbar
 262                 for light_tool in self._light_toolbar:
 263                     if light_tool.pressed(ev):
 264                         fitting_image = light_fitting_by_type(
 265                             self._tool.light_config["type"])
 266                         self._set_cursor(
 267                             fitting_image[:-4],  # strip .png
 268                             transform=ColourWedges(colours=light_tool.colours))
 269                         # colour=COLOURS[0] + (172,)))
 270                         self._light_colors = light_tool.colours
 271                         return
 272                 if self._tool:
 273                     if self._tool.name == "seed":
 274                         self._place_seed(gamestate, ev)
 275                     elif self._tool.name == "light" and self._light_colors:
 276                         self._place_light(
 277                             gamestate, self._tool.light_config,
 278                             self._light_colors, ev)
 279                 else:
 280                     # Not tool, so check lights
 281                     self._lights.toggle_nearest(ev.pos, surfpos=True)
 282             elif ev.button == 3:
 283                 light = self._lights.nearest(ev.pos, surfpos=True,
 284                                              max_distance=20.0)
 285                 if light:
 286                     # Start drag to rotate light
 287                     self._dragging = light
 288                 elif self._tool:
 289                     # Unset tool
 290                     self._tool = None
 291                     self._clear_light_toolbar()
 292                     self._unset_cursor()
 293         elif ev.type == pgl.MOUSEMOTION:
 294             if self._dragging:
 295                 # Calculate angle between current position and mouse pos
 296                 self._update_light_angle(ev.pos, gamestate)
 297         elif ev.type == pgl.MOUSEBUTTONUP:
 298             self._dragging = None
 299
 300     @debug_timer("day.tick")
 301     def tick(self, gamestate):
 302         if not self._paused:
 303             self._lights.tick()
 304
 305     def _update_infobar(self, gamestate):
 306         line1 = ("Day %d: Goal: %d Turnips. Turnips harvested: %d" % (
 307             gamestate.days, gamestate.get_target(), self._harvested))
 308         line1_img = self._infobar_font.render(line1, True, (255, 255, 255))
 309         line2 = ("Turnip Stocks: Seeds: %s. Planted: %d. Battery: %d/%d" % (
 310             self._seeds, len(self._turnips), self._battery.current,
 311             self._battery.max))
 312         line2_img = self._infobar_font.render(line2, True, (255, 255, 255))
 313         width = max(line1_img.get_width(), line2_img.get_width()) + 10
 314         height = line1_img.get_height() + line2_img.get_height() + 10
 315         self._infobar = pygame.surface.Surface(
 316             (width, height), pgl.SWSURFACE).convert_alpha()
 317         self._infobar.fill((0, 0, 0, 64))
 318         self._infobar.blit(line1_img, (5, 3), None)
 319         self._infobar.blit(line2_img, (5, 8 + line1_img.get_height()), None)