tabakrolletjie/scenes/day.py

   1 """ Be prepared. """
   2
   3 import math
   4
   5 import pygame.display
   6 import pygame.locals as pgl
   7
   8 import pymunk
   9 import pymunk.pygame_util
  10
  11 from .base import BaseScene
  12 from ..lights import LightManager
  13 from ..obstacles import ObstacleManager
  14 from ..events import SceneChangeEvent
  15 from ..utils import debug_timer
  16 from ..loader import loader
  17 from ..transforms import Overlay, Multiply, Alpha
  18
  19 from ..constants import SCREEN_SIZE, FONTS, COLOURS
  20 from ..widgets import ImageButton
  21 from ..turnip import Turnip, TurnipInvalidPosition
  22
  23
  24 class DayScene(BaseScene):
  25
  26     BRIGHTNESS = Overlay(colour=(255, 255, 255, 50))
  27
  28     def enter(self, gamestate):
  29         self._space = pymunk.Space()
  30         self._toolbar_font = loader.load_font(FONTS['sans'], size=20)
  31         self._obstacles = ObstacleManager(self._space, gamestate)
  32         self._lights = LightManager(self._space, gamestate)
  33         self._turnips = []
  34         self._seeds = gamestate.seeds
  35         self._harvested = gamestate.harvested
  36         self._paused = False
  37         self._tool = None
  38         self._light_color = None
  39         self._dragging = None
  40         for turnip_data in gamestate.turnips:
  41             turnip = Turnip(space=self._space, **turnip_data)
  42             # Turnips grow at dawn
  43             seeds = turnip.grow()
  44             if seeds:
  45                 self._seeds += seeds
  46                 self._harvested += 1
  47             else:
  48                 self._turnips.append(turnip)
  49         # Tools
  50         self._light_toolbar = []
  51         self._tools = [
  52             ImageButton('32', 'seed.png', name='seed',
  53                         pos=(50, SCREEN_SIZE[1] - 40)),
  54             ImageButton('32', 'spotlight.png', name='spotlight',
  55                         pos=(100, SCREEN_SIZE[1] - 40)),
  56             ImageButton('32', 'lamp.png', name='lamp',
  57                         pos=(150, SCREEN_SIZE[1] - 40)),
  58             ImageButton('32', 'default_cursor.png', name='reset tool',
  59                         pos=(SCREEN_SIZE[0] - 50, SCREEN_SIZE[1] - 40)),
  60         ]
  61         self._update_toolbar(gamestate)
  62         # Background
  63         self._soil = loader.load_image(
  64             "textures", "soil.png", transform=self.BRIGHTNESS)
  65
  66     def exit(self, gamestate):
  67         self._unset_cursor()
  68         gamestate.seeds = self._seeds
  69         gamestate.harvested = self._harvested
  70         turnip_data = [turnip.serialize() for turnip in self._turnips]
  71         gamestate.turnips = turnip_data
  72
  73     @debug_timer("day.render")
  74     def render(self, surface, gamestate):
  75         surface.blit(self._soil, (0, 0))
  76
  77         for turnip in self._turnips:
  78             turnip.render(surface)
  79         self._lights.render_light(surface)
  80         self._obstacles.render(surface)
  81         self._lights.render_fittings(surface)
  82         surface.blit(self._toolbar, (120, 10), None)
  83         for tool in self._tools:
  84             tool.render(surface)
  85         for light_tool in self._light_toolbar:
  86             light_tool.render(surface)
  87         self._draw_cursor(surface)
  88
  89     def _draw_light_toolbar(self, light_type, x):
  90         self._light_toolbar = []
  91         height = SCREEN_SIZE[1] - 80
  92         for color in sorted(COLOURS.keys()):
  93             light_tool = ImageButton('32', light_type + '.png',
  94                                      pos=(x, height), name=color,
  95                                      transform=Multiply(colour=COLOURS[color]))
  96             self._light_toolbar.append(light_tool)
  97             x += 40
  98
  99     def _clear_light_toolbar(self):
 100         self._light_toolbar = []
 101
 102     def _place_seed(self, gamestate, ev):
 103         if self._seeds > 0:
 104             # plant seed
 105             # We don't want top-left to equal the mouse position,
 106             # since that looks weird, but we don't want to center
 107             # the turnip under the mouse either, since that
 108             # causes issues as well, so we compromise
 109             pos = (ev.pos[0] - 8, ev.pos[1] - 8)
 110             try:
 111                 turnip = Turnip(age=0, pos=pos, space=self._space)
 112                 self._turnips.append(turnip)
 113                 self._seeds -= 1
 114                 self._update_toolbar(gamestate)
 115             except TurnipInvalidPosition as e:
 116                 # TODO: Add error sound or something
 117                 pass
 118
 119     def _update_light_angle(self, pos, gamestate):
 120         # Update the angle of the given light
 121         pos = pymunk.pygame_util.to_pygame(pos, pygame.display.get_surface())
 122         distance = pos - self._dragging.position
 123         angle = math.atan2(distance[1], distance[0])
 124         # Set light angle to this position
 125         self._dragging.ray_manager.direction = math.degrees(angle)
 126         # Hackily update gamestate with new angle
 127         for light_cfg in gamestate.station["lights"]:
 128             light_pos = pymunk.Vec2d(light_cfg["position"])
 129             if light_pos.get_dist_sqrd(self._dragging.position) < 5.0:
 130                 light_cfg["direction"] = math.degrees(angle)
 131                 break
 132
 133     def _place_spotlight(self, gamestate, colour, ev):
 134         if self._seeds > 5:
 135             pos = pymunk.pygame_util.from_pygame(ev.pos,
 136                                                  pygame.display.get_surface())
 137             # Bail if we're too close to an existing light
 138             if self._lights.nearest(pos, max_distance=25):
 139                 return
 140             self._seeds -= 5
 141             self._update_toolbar(gamestate)
 142             cfg = {
 143                 "type": "spotlight",
 144                 "colours": [colour],
 145                 "position": pos,
 146                 "direction": 45,
 147                 "spread": 90,
 148                 "intensity": 0.5,
 149                 "radius_limits": [0, 100],
 150             }
 151             gamestate.station["lights"].append(cfg)
 152             self._lights.add_light(cfg)
 153
 154     def _place_lamp(self, gamestate, colour, ev):
 155         if self._seeds > 3:
 156             pos = pymunk.pygame_util.from_pygame(ev.pos,
 157                                                  pygame.display.get_surface())
 158             # Bail if we're too close to an existing light
 159             if self._lights.nearest(ev.pos, surfpos=True, max_distance=25):
 160                 return
 161             self._seeds -= 3
 162             self._update_toolbar(gamestate)
 163             cfg = {
 164                 "type": "lamp",
 165                 "colours": [colour],
 166                 "position": pos,
 167                 "intensity": 0.5,
 168             }
 169             gamestate.station["lights"].append(cfg)
 170             self._lights.add_light(cfg)
 171
 172     def event(self, ev, gamestate):
 173         if ev.type == pgl.KEYDOWN:
 174             if ev.key in (pgl.K_q, pgl.K_ESCAPE):
 175                 from .menu import MenuScene
 176                 SceneChangeEvent.post(scene=MenuScene())
 177             if ev.key == pgl.K_e:
 178                 from .night import NightScene
 179                 SceneChangeEvent.post(scene=NightScene())
 180             if ev.key == pgl.K_SPACE:
 181                 self._paused = not self._paused
 182         elif ev.type == pgl.MOUSEBUTTONDOWN:
 183             if ev.button == 1:
 184                 # Check tools
 185                 for tool in self._tools:
 186                     if tool.pressed(ev):
 187                         self._color = None
 188                         if tool.name == 'reset tool':
 189                             self._unset_cursor()
 190                             self._tool = None
 191                             self._clear_light_toolbar()
 192                         else:
 193                             self._tool = tool.name
 194                             if self._tool == 'seed':
 195                                 self._set_cursor(
 196                                     'seed', transform=Alpha(alpha=172))
 197                                 self._clear_light_toolbar()
 198                             elif self._tool == 'spotlight':
 199                                 self._unset_cursor()
 200                                 self._draw_light_toolbar('spotlight', 100)
 201                             elif self._tool == 'lamp':
 202                                 self._unset_cursor()
 203                                 self._draw_light_toolbar('lamp', 150)
 204                         return
 205                 # Check light toolbar
 206                 for light_tool in self._light_toolbar:
 207                     if light_tool.pressed(ev):
 208                         self._set_cursor(
 209                             self._tool,
 210                             transform=Multiply(
 211                                 colour=COLOURS[light_tool.name] + (172,)))
 212                         self._light_color = light_tool.name
 213                         return
 214                 if self._tool == "seed":
 215                     self._place_seed(gamestate, ev)
 216                 elif self._tool == 'spotlight' and self._light_color:
 217                     self._place_spotlight(gamestate, self._light_color, ev)
 218                 elif self._tool == 'lamp' and self._light_color:
 219                     self._place_lamp(gamestate, self._light_color, ev)
 220                 else:
 221                     # Not tool, so check lights
 222                     self._lights.toggle_nearest(ev.pos, surfpos=True)
 223                     print self._lights.lit_by(ev.pos, surfpos=True)
 224             elif ev.button == 3:
 225                 light = self._lights.nearest(ev.pos, surfpos=True,
 226                                              max_distance=20.0)
 227                 if light:
 228                     # Start drag to rotate light
 229                     self._dragging = light
 230                 elif self._tool:
 231                     # Unset tool
 232                     self._tool = None
 233                     self._unset_cursor()
 234         elif ev.type == pgl.MOUSEMOTION:
 235             if self._dragging:
 236                 # Calculate angle between current position and mouse pos
 237                 self._update_light_angle(ev.pos, gamestate)
 238         elif ev.type == pgl.MOUSEBUTTONUP:
 239             self._dragging = None
 240
 241     @debug_timer("day.tick")
 242     def tick(self, gamestate):
 243         if not self._paused:
 244             self._lights.tick()
 245
 246     def _update_toolbar(self, gamestate):
 247         text = ("Turnip Stocks: Seeds: %d. Planted: %d. "
 248                 "Harvested: %d. Destroyed: %d" %
 249                 (self._seeds, len(self._turnips),
 250                  self._harvested, gamestate.eaten))
 251         self._toolbar = self._toolbar_font.render(text, True, (255, 255, 255))