source/materials/light.cpp

   1 #include <stdexcept>
   2 #include <msp/strings/format.h>
   3 #include "directionallight.h"
   4 #include "light.h"
   5 #include "pointlight.h"
   6
   7 using namespace std;
   8
   9 namespace Msp {
  10 namespace GL {
  11
  12 Light::Light():
  13         color(1.0f),
  14         generation(0)
  15 { }
  16
  17 void Light::set_color(const Color &c)
  18 {
  19         color = c;
  20         ++generation;
  21 }
  22
  23 void Light::update_shader_data(ProgramData &shdata, unsigned i) const
  24 {
  25         update_shader_data(shdata, format("light_sources[%d]", i));
  26 }
  27
  28 Light::GenericLoader::TypeRegistry &Light::get_light_registry()
  29 {
  30         static GenericLoader::TypeRegistry registry;
  31         static bool initialized = false;
  32         if(!initialized)
  33         {
  34                 initialized = true;
  35                 registry.register_type<DirectionalLight>("directional");
  36                 registry.register_type<PointLight>("point");
  37         }
  38         return registry;
  39 }
  40
  41
  42 Light::Loader::Loader(Light &l):
  43         DataFile::ObjectLoader<Light>(l)
  44 { }
  45
  46 void Light::Loader::init_actions()
  47 {
  48         add("color", &Loader::color);
  49 }
  50
  51 void Light::Loader::color(float r, float g, float b)
  52 {
  53         obj.set_color(Color(r, g, b));
  54 }
  55
  56 } // namespace GL
  57 } // namespace Msp