""" May it be a light for you in dark places, when all other lights go out.
"""
+import math
+
import pymunk
import pymunk.pygame_util
import pygame.display
import pygame.draw
import pygame.locals as pgl
import pygame.rect
+import pygame.transform
-from .constants import LIGHT_CATEGORY, FITTINGS_CATEGORY
+from .constants import (
+ LIGHT_CATEGORY, FITTINGS_CATEGORY, OBSTACLE_CATEGORY, TURNIP_CATEGORY,
+ COLOURS)
from .rays import RayPolyManager
from .utils import DetailedTimer
from .loader import loader
-from .transforms import Multiply
+from .transforms import ColourWedges
LIGHT_FILTER = pymunk.ShapeFilter(
mask=pymunk.ShapeFilter.ALL_MASKS ^ (
# Just match lights, nothing else
LIT_BY_FILTER = pymunk.ShapeFilter(mask=LIGHT_CATEGORY)
+SPACE_FOR_LIGHT_FILTER = pymunk.ShapeFilter(
+ mask=FITTINGS_CATEGORY | OBSTACLE_CATEGORY | TURNIP_CATEGORY)
+
+
+def check_space_for_light(space, pos, max_distance):
+ point_info = space.point_query_nearest(
+ pos, max_distance, SPACE_FOR_LIGHT_FILTER)
+ if point_info is not None:
+ return True
+ return False
class LightManager(object):
def __init__(self, space, gamestate):
self._space = space
+ self._battery_dead = False
self._lights = [
BaseLight.load(cfg) for cfg in gamestate.station["lights"]]
for light in self._lights:
light.add(self._space)
+ def add_light(self, cfg):
+ light = BaseLight.load(cfg)
+ self._lights.append(light)
+ light.add(self._space)
+
+ def remove_light(self, light):
+ self._lights.remove(light)
+ light.remove(self._space)
+
+ def battery_dead(self):
+ self._battery_dead = True
+ for light in self._lights:
+ light.off()
+
+ def serialize_lights(self):
+ result = []
+ for light in self._lights:
+ result.append(light.serialize())
+ return result
+
def toggle_nearest(self, *args, **kw):
+ if self._battery_dead:
+ return
light = self.nearest(*args, **kw)
if light:
light.toggle()
surface = pygame.display.get_surface()
pos = pymunk.pygame_util.from_pygame(pos, surface)
point_info_list = self._space.point_query(
- pos, max_distance, pymunk.ShapeFilter(mask=LIGHT_CATEGORY))
+ pos, max_distance, LIT_BY_FILTER)
lights = [p.shape.body.light for p in point_info_list]
- return [light for light in lights if light.on]
+ return [
+ light for light in lights
+ if light.on and light.ray_manager.reaches(pos)
+ ]
def light_query(self, shape):
"""Query the lights by shape"""
shape_info_list = self._space.shape_query(shape)
shape.filter = old_filter
lights = [p.shape.body.light for p in shape_info_list]
- return [light for light in lights if light.on]
+ return [
+ light for light in lights
+ if light.on and light.ray_manager.reaches(shape.body.position)
+ ]
+
+ def total_power_usage(self):
+ return sum(light.power_usage() for light in self._lights)
def render_light(self, surface):
for light in self._lights:
light.tick()
+def light_fitting_by_type(light_type):
+ """ Render a light fitting image for a light type. """
+ return BaseLight.find_cls(light_type).FITTING_IMG
+
+
class BaseLight(object):
""" Common light functionality. """
- COLOURS = {
- "red": (255, 0, 0),
- "green": (0, 255, 0),
- "blue": (0, 255, 255),
- "yellow": (255, 255, 0),
- "white": (255, 255, 255),
- }
-
+ # defaults
+ RAY_MANAGER = RayPolyManager
FITTING_IMG = None
+ FITTING_RADIUS = 24.0
# cached surfaces
_surface_cache = {}
def __init__(
- self, colour, position, intensity=1.0,
- radius_limits=(None, None), angle_limits=None):
- self.colour = colour
- self.position = pymunk.Vec2d(position)
- self.on = True
+ self, colours, position, intensity=1.0, radius_limits=None,
+ direction=None, spread=None, on=True, start_colour=None,
+ bounding_radius=None):
+ self.colour_cycle = colours
+ self.colour_pos = 0
+ self.colour = colours[0]
+ if start_colour and start_colour in colours:
+ self.colour_pos = colours.index(start_colour)
+ self.colour = start_colour
+ self.on = on
+ if not on and len(colours) > 1:
+ self.colour_pos = -1
self.intensity = intensity
- self.radius_limits = radius_limits
- self.angle_limits = angle_limits
self.body = pymunk.Body(0, 0, pymunk.body.Body.STATIC)
- self.fitting = pymunk.Circle(self.body, 10.0, self.position)
- self.fitting.filter = FITTINGS_FILTER
self.body.light = self
- self.ray_manager = RayPolyManager(self.body, LIGHT_FILTER)
- self._image = None
+ self.ray_manager = self.RAY_MANAGER(
+ self.body, position, ray_filter=LIGHT_FILTER,
+ radius_limits=radius_limits, direction=direction, spread=spread,
+ bounding_radius=bounding_radius)
+ self.fitting = pymunk.Circle(
+ self.body, self.FITTING_RADIUS, self.ray_manager.position)
+ self.fitting.filter = FITTINGS_FILTER
+ self._fitting_image = None
+ self._colour_mult_image = None
+
+ def serialize(self):
+ result = self.ray_manager.serialize()
+ result.update({
+ "type": self.__class__.__name__.lower(),
+ "colours": self.colour_cycle,
+ "position": self.position,
+ "intensity": self.intensity,
+ "on": self.on,
+ "start_colour": self.colour,
+ })
+ return result
+
+ @property
+ def position(self):
+ return self.ray_manager.position
@classmethod
def load(cls, config):
kw = config.copy()
light_type = kw.pop("type")
+ light_class = cls.find_cls(light_type)
+ return light_class(**kw)
+
+ @classmethod
+ def find_cls(cls, light_type):
[light_class] = [
c for c in cls.__subclasses__()
if c.__name__.lower() == light_type]
- return light_class(**kw)
+ return light_class
def add(self, space):
if self.body.space is not None:
space.remove(self.body, *self.body.shapes)
- self.ray_manager.generate_rays(space, self.position)
- self.ray_manager.set_angle_limits(self.angle_limits)
- ray_shapes = self.ray_manager.polys()
- space.add(self.body, self.fitting, *ray_shapes)
+ space.add(self.body, self.fitting)
+ self.ray_manager.set_space(space)
+ self.ray_manager.update_shapes()
- def shapes_for_ray_polys(self, ray_polys):
- return ray_polys
-
- def toggle(self):
- self.on = not self.on
-
- def _cached_surfaces(self, surface):
- radius_mask = self._surface_cache.get('radius_mask')
- if radius_mask is None:
- radius_mask = self._surface_cache['radius_mask'] = (
- pygame.surface.Surface(
- surface.get_size(), pgl.SWSURFACE)).convert_alpha()
+ def remove(self, space):
+ if self.body.space is not None:
+ space.remove(self.body, *self.body.shapes)
- ray_mask = self._surface_cache.get('ray_mask')
- if ray_mask is None:
- ray_mask = self._surface_cache['ray_mask'] = (
- pygame.surface.Surface(
- surface.get_size(), pgl.SWSURFACE)).convert_alpha()
+ def _cached_surface(self, name, surface):
+ surf = self._surface_cache.get(name)
+ if surf is None:
+ surf = self._surface_cache[name] = pygame.surface.Surface(
+ surface.get_size(), pgl.SWSURFACE
+ ).convert_alpha()
+ return surf
- return radius_mask, ray_mask
+ def light_colour(self):
+ light_colour = COLOURS[self.colour]
+ intensity = int(255 * self.intensity)
+ return light_colour + (intensity,)
def render_light(self, surface):
if not self.on:
dt = DetailedTimer("render_light")
dt.start()
- dt.show("%s, %s" % (self.ray_manager._start, self.ray_manager._end))
- max_radius = self.radius_limits[1] or 50.0
- min_radius = self.radius_limits[0] or 0
-
- rw = max_radius * 2
- rx, ry = pymunk.pygame_util.to_pygame(self.position, surface)
- dest_rect = pygame.rect.Rect(rx, ry, rw, rw)
- dest_rect.move_ip(- max_radius, - max_radius)
+ max_radius = self.ray_manager.max_radius
+ min_radius = self.ray_manager.min_radius
+ dest_rect = self.ray_manager.pygame_rect(surface)
white, black = (255, 255, 255, 255), (0, 0, 0, 0)
+ light_colour = self.light_colour()
- radius_mask, ray_mask = self._cached_surfaces(surface)
+ radius_mask = self._cached_surface('radius_mask', surface)
radius_mask.set_clip(dest_rect)
+ ray_mask = self._cached_surface('ray_mask', surface)
ray_mask.set_clip(dest_rect)
ray_mask.fill(black)
pygame.draw.polygon(ray_mask, white, pygame_poly, 1)
dt.lap("ray mask rendered")
- light_colour = self.COLOURS[self.colour]
- intensity = int(255 * self.intensity)
- light_colour = light_colour + (intensity,)
-
radius_mask.fill(black)
- centre = pymunk.pygame_util.to_pygame(self.position, surface)
+ centre = self.ray_manager.pygame_position(surface)
pygame.draw.circle(
radius_mask, light_colour, centre, int(max_radius), 0)
pygame.draw.circle(
dt.lap("blitted surface")
dt.end()
- def get_image(self):
- if self._image is None:
- fitting_colour = self.COLOURS[self.colour]
- self._image = loader.load_image("64", self.FITTING_IMG, transform=Multiply(colour=fitting_colour))
- return self._image
+ def fitting_image(self):
+ if self._fitting_image is None:
+ self._fitting_image = loader.load_image(
+ "48", self.FITTING_IMG,
+ transform=ColourWedges(colours=self.colour_cycle))
+ return self._fitting_image
+
+ def invalidate_fitting_image(self):
+ self._fitting_image = None
def render_fitting(self, surface):
- rx, ry = pymunk.pygame_util.to_pygame(self.position, surface)
- surface.blit(self.get_image(), (rx - 32, ry - 32), None, 0)
+ rx, ry = self.ray_manager.pygame_position(surface)
+ surface.blit(self.fitting_image(), (rx - 24, ry - 24), None, 0)
+
+ def power_usage(self):
+ if not self.on:
+ return 0.0
+ area = math.pi * (self.ray_manager.max_radius ** 2) # radius
+ area = area * (self.ray_manager.spread / (2 * math.pi)) # spread
+ return 5 * area * self.intensity / 6400 # 80x80 unit area
+
+ def base_damage(self):
+ return 10 * self.intensity
+
+ def off(self):
+ self.on = False
+
+ def toggle(self):
+ self.colour_pos += 1
+ if self.colour_pos >= len(self.colour_cycle):
+ self.colour = self.colour_cycle[0]
+ self.colour_pos = -1
+ self.on = False
+ else:
+ self.colour = self.colour_cycle[self.colour_pos]
+ self.on = True
def tick(self):
pass
+class Lamp(BaseLight):
+
+ FITTING_IMG = "lamp.png"
+
+
+class PulsatingLamp(BaseLight):
+
+ FITTING_IMG = "pulsatinglamp.png"
+ DEFAULT_PULSE_RANGE = (20, 100)
+ DEFAULT_PULSE_VELOCITY = 2
+ DEFAULT_INTENSITY_RANGE = (0.0, 0.9)
+ DEFAULT_INTENSITY_VELOCITY = 0.1
+
+ def __init__(self, **kw):
+ self.pulse_range = kw.pop("pulse_range", self.DEFAULT_PULSE_RANGE)
+ self.pulse_velocity = kw.pop(
+ "pulse_velocity", self.DEFAULT_PULSE_VELOCITY)
+ self.intensity_range = kw.pop(
+ "intensity_range", self.DEFAULT_INTENSITY_RANGE)
+ self.intensity_velocity = kw.pop(
+ "intensity_velocity", self.DEFAULT_INTENSITY_VELOCITY)
+ super(PulsatingLamp, self).__init__(
+ bounding_radius=self.pulse_range[1], **kw)
+
+ def serialize(self):
+ result = super(PulsatingLamp, self).serialize()
+ result["pulse_velocity"] = self.pulse_velocity
+ result["intensity_range"] = self.intensity_range
+ result["intensity_velocity"] = self.intensity_velocity
+ return result
+
+ def _update_range(self, value, velocity, value_range):
+ value += velocity
+ if value < value_range[0]:
+ value = value_range[0]
+ velocity = -velocity
+ elif value > value_range[1]:
+ value = value_range[1]
+ velocity = -velocity
+ return value, velocity
+
+ def tick(self):
+ self.ray_manager.max_radius, self.pulse_velocity = self._update_range(
+ self.ray_manager.max_radius, self.pulse_velocity, self.pulse_range)
+ self.intensity, self.intensity_velocity = self._update_range(
+ self.intensity, self.intensity_velocity, self.intensity_range)
+
+
class SpotLight(BaseLight):
+
FITTING_IMG = "spotlight.png"
-
+
def __init__(self, **kw):
- kw.pop("direction", None)
- kw.pop("spread", None)
self.angular_velocity = kw.pop("angular_velocity", None)
super(SpotLight, self).__init__(**kw)
+ def serialize(self):
+ result = super(SpotLight, self).serialize()
+ result["angular_velocity"] = self.angular_velocity
+ return result
+
+ def fitting_image(self):
+ fitting_image = super(SpotLight, self).fitting_image()
+ rot_fitting_image = pygame.transform.rotozoom(
+ fitting_image, self.ray_manager.direction - 90, 1)
+
+ rot_rect = fitting_image.get_rect().copy()
+ rot_rect.center = rot_fitting_image.get_rect().center
+ rot_fitting_image = rot_fitting_image.subsurface(rot_rect).copy()
+
+ return rot_fitting_image
+
def tick(self):
if self.angular_velocity:
- start, end = self.angle_limits
- start = (start + self.angular_velocity) % 360.0
- end = (end + self.angular_velocity) % 360.0
- self.angle_limits = (start, end)
- self.ray_manager.set_angle_limits(self.angle_limits)
+ self.ray_manager.direction -= self.angular_velocity
+ self.ray_manager.update_shapes()
projects / tabakrolletjie.git / blobdiff