Change target FPS and rescale things to match

[tabakrolletjie.git] / tabakrolletjie / lights.py

diff --git a/tabakrolletjie/lights.py b/tabakrolletjie/lights.py
index ed18fdf9cfef629002310652fc0cd609c9969b53..723da6a9f427ee0304130269bc6f76716dfd8f19 100644 (file)
--- a/tabakrolletjie/lights.py
+++ b/tabakrolletjie/lights.py
@@ -1,18 +1,21 @@
 """ 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, 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 ^ (
@@ -63,7 +66,7 @@ class LightManager(object):
             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
@@ -83,6 +86,9 @@ class LightManager(object):
             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.render_light(surface)
@@ -96,6 +102,11 @@ class LightManager(object):
             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. """
 
@@ -108,9 +119,11 @@ class BaseLight(object):
     _surface_cache = {}
 
     def __init__(
-            self, colour, position, intensity=1.0, radius_limits=None,
+            self, colours, position, intensity=1.0, radius_limits=None,
             direction=None, spread=None):
-        self.colour = colour
+        self.colour_cycle = colours
+        self.colour_pos = 0
+        self.colour = colours[0]
         self.on = True
         self.intensity = intensity
         self.body = pymunk.Body(0, 0, pymunk.body.Body.STATIC)
@@ -122,6 +135,7 @@ class BaseLight(object):
             self.body, self.FITTING_RADIUS, self.ray_manager.position)
         self.fitting.filter = FITTINGS_FILTER
         self._fitting_image = None
+        self._colour_mult_image = None
 
     @property
     def position(self):
@@ -131,10 +145,15 @@ class BaseLight(object):
     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:
@@ -143,9 +162,6 @@ class BaseLight(object):
         self.ray_manager.set_space(space)
         self.ray_manager.update_shapes()
 
-    def toggle(self):
-        self.on = not self.on
-
     def _cached_surface(self, name, surface):
         surf = self._surface_cache.get(name)
         if surf is None:
@@ -201,10 +217,9 @@ class BaseLight(object):
 
     def fitting_image(self):
         if self._fitting_image is None:
-            fitting_colour = COLOURS[self.colour]
             self._fitting_image = loader.load_image(
                 "48", self.FITTING_IMG,
-                transform=Multiply(colour=fitting_colour))
+                transform=ColourWedges(colours=self.colour_cycle))
         return self._fitting_image
 
     def invalidate_fitting_image(self):
@@ -214,25 +229,15 @@ class BaseLight(object):
         rx, ry = self.ray_manager.pygame_position(surface)
         surface.blit(self.fitting_image(), (rx - 24, ry - 24), None, 0)
 
-    def tick(self):
-        pass
-
-
-class Lamp(BaseLight):
-
-    FITTING_IMG = "lamp.png"
-
-
-class MultiColourLamp(BaseLight):
+    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
 
-    FITTING_IMG = "lamp.png"
-    DEFAULT_COLOURS = sorted(COLOURS.keys())
-
-    def __init__(self, **kw):
-        self.colour_cycle = kw.pop("colours", None)
-        self.colour_pos = 0
-        kw["colour"] = self.colour_cycle[0]
-        super(MultiColourLamp, self).__init__(**kw)
+    def base_damage(self):
+        return 10 * self.intensity
 
     def toggle(self):
         self.colour_pos += 1
@@ -243,7 +248,14 @@ class MultiColourLamp(BaseLight):
         else:
             self.colour = self.colour_cycle[self.colour_pos]
             self.on = True
-        self.invalidate_fitting_image()
+
+    def tick(self):
+        pass
+
+
+class Lamp(BaseLight):
+
+    FITTING_IMG = "lamp.png"
 
 
 class PulsatingLamp(BaseLight):
@@ -289,6 +301,17 @@ class SpotLight(BaseLight):
         self.angular_velocity = kw.pop("angular_velocity", None)
         super(SpotLight, self).__init__(**kw)
 
+    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:
             self.ray_manager.direction -= self.angular_velocity