first stab at automatic variable light pricing

[tabakrolletjie.git] / tabakrolletjie / lights.py

diff --git a/tabakrolletjie/lights.py b/tabakrolletjie/lights.py
index 318aefca3ca2579a4c36cc0b373944c2a91b455a..44c93871c805b34b5fc70761e4be500f3b461957 100644 (file)
--- a/tabakrolletjie/lights.py
+++ b/tabakrolletjie/lights.py
@@ -137,6 +137,12 @@ def light_fitting_by_type(light_type):
     return BaseLight.find_cls(light_type).FITTING_IMG
 
 
+def seed_cost(light_config, num_colours):
+    """Calculate a seed cost for a light from its configuration. """
+    cls = BaseLight.find_cls(light_config["type"])
+    return cls.BASE_COST + int(cls.find_cost(light_config) / 10) + num_colours
+
+
 class BaseLight(object):
     """ Common light functionality. """
 
@@ -144,6 +150,7 @@ class BaseLight(object):
     RAY_MANAGER = RayPolyManager
     FITTING_IMG = None
     FITTING_RADIUS = 24.0
+    BASE_COST = 0
 
     # cached surfaces
     _surface_cache = {}
@@ -204,6 +211,11 @@ class BaseLight(object):
             if c.__name__.lower() == light_type]
         return light_class
 
+    @classmethod
+    def find_cost(cls, config):
+        cost = 5 * config["intensity"]
+        return cost
+
     def add(self, space):
         if self.body.space is not None:
             space.remove(self.body, *self.body.shapes)
@@ -313,6 +325,7 @@ class BaseLight(object):
 class Lamp(BaseLight):
 
     FITTING_IMG = "lamp.png"
+    BASE_COST = 1
 
 
 class PulsatingLamp(BaseLight):
@@ -322,6 +335,7 @@ class PulsatingLamp(BaseLight):
     DEFAULT_PULSE_VELOCITY = 2
     DEFAULT_INTENSITY_RANGE = (0.0, 0.9)
     DEFAULT_INTENSITY_VELOCITY = 0.1
+    BASE_COST = 3
 
     def __init__(self, **kw):
         self.pulse_range = kw.pop("pulse_range", self.DEFAULT_PULSE_RANGE)
@@ -357,10 +371,22 @@ class PulsatingLamp(BaseLight):
         self.intensity, self.intensity_velocity = self._update_range(
             self.intensity, self.intensity_velocity, self.intensity_range)
 
+    @classmethod
+    def find_cost(cls, config):
+        cost = super(PulsatingLamp, cls).find_cost(config)
+        cost += config.get("pulse_velocity", cls.DEFAULT_PULSE_VELOCITY)
+        pr = config.get("pulse_range", cls.DEFAULT_PULSE_RANGE)
+        cost += (pr[1] - pr[0]) / 10
+        cost += 5 * config.get("intensity_velocity", cls.DEFAULT_INTENSITY_VELOCITY)
+        ir = config.get("intensity_range", cls.DEFAULT_INTENSITY_RANGE)
+        cost += 5 * (ir[1] - ir[0])
+        return cost
+
 
 class SpotLight(BaseLight):
 
     FITTING_IMG = "spotlight.png"
+    BASE_COST = 5
 
     def __init__(self, **kw):
         self.angular_velocity = kw.pop("angular_velocity", None)
@@ -386,3 +412,9 @@ class SpotLight(BaseLight):
         if self.angular_velocity:
             self.ray_manager.direction -= self.angular_velocity
             self.ray_manager.update_shapes()
+
+    @classmethod
+    def find_cost(cls, config):
+        cost = super(SpotLight, cls).find_cost(config)
+        cost += config.get("angular_velocity", 0)
+        return cost