+++ /dev/null
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
-#include "except.h"
-#include "light.h"
-#include "misc.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-Light::Light():
- ambient(0),
- diffuse(1),
- specular(1),
- x(0), y(0), z(1), w(0),
- sdx(0), sdy(0), sdz(-1),
- spot_exp(0),
- spot_cutoff(180)
-{ }
-
-void Light::set_ambient(const Color &c)
-{
- ambient=c;
-}
-
-void Light::set_diffuse(const Color &c)
-{
- diffuse=c;
-}
-
-void Light::set_specular(const Color &c)
-{
- specular=c;
-}
-
-void Light::set_position(float x_, float y_, float z_, float w_)
-{
- x=x_;
- y=y_;
- z=z_;
- w=w_;
-}
-
-void Light::bind() const
-{
- if(current_lights[current_unit]!=this)
- {
- GLenum l=GL_LIGHT0+current_unit;
- enable(l);
- glLightfv(l, GL_AMBIENT, &ambient.r);
- glLightfv(l, GL_DIFFUSE, &diffuse.r);
- glLightfv(l, GL_SPECULAR, &specular.r);
- glLightfv(l, GL_POSITION, &x);
- current_lights[current_unit]=this;
- }
-}
-
-void Light::bind_to(unsigned i) const
-{
- activate(i);
- bind();
-}
-
-void Light::activate(unsigned i)
-{
- static unsigned max_lights=get_i(GL_MAX_LIGHTS);
-
- if(i>=max_lights)
- throw InvalidParameterValue("Light unit index out of range");
-
- if(i>=current_lights.size())
- current_lights.resize(i+1);
-
- current_unit=i;
-}
-
-void Light::unbind()
-{
- if(current_lights[current_unit])
- {
- disable(GL_LIGHT0+current_unit);
- current_lights[current_unit]=0;
- }
-}
-
-unsigned Light::current_unit=0;
-vector<const Light *> Light::current_lights(1);
-
-} // namespace GL
-} // namespace Msp