X-Git-Url: https://git.ctpug.org.za/?a=blobdiff_plain;f=tabakrolletjie%2Flights.py;h=27f349e65ec5c586738acdcaad946bd020ee6fa7;hb=693cbe7873f08eaa96ec6a0edd8bba08870307bf;hp=03adf387cb2fb299ac57bc2942d7870532c31719;hpb=2c0ed0a3af1c96ffa24745ba4b995dec0a7549c3;p=tabakrolletjie.git

diff --git a/tabakrolletjie/lights.py b/tabakrolletjie/lights.py
index 03adf38..27f349e 100644
--- 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 ^ (
@@ -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. """
 
@@ -124,6 +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):
@@ -133,10 +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:
@@ -200,10 +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):
@@ -213,6 +229,16 @@ class BaseLight(object):
         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 5 * self.intensity
+
     def toggle(self):
         self.colour_pos += 1
         if self.colour_pos >= len(self.colour_cycle):
@@ -222,7 +248,6 @@ class BaseLight(object):
         else:
             self.colour = self.colour_cycle[self.colour_pos]
             self.on = True
-        self.invalidate_fitting_image()
 
     def tick(self):
         pass
@@ -233,14 +258,6 @@ class Lamp(BaseLight):
     FITTING_IMG = "lamp.png"
 
 
-class MultiColourLamp(BaseLight):
-
-    FITTING_IMG = "lamp.png"
-
-    def __init__(self, **kw):
-        super(MultiColourLamp, self).__init__(**kw)
-
-
 class PulsatingLamp(BaseLight):
 
     FITTING_IMG = "lamp.png"
@@ -284,6 +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