X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Flight.cpp;h=4ba581e029f0083068e1517b1b870b4d7b552c18;hb=HEAD;hp=aeb17c5be4a604b79235ade3cd2423d34e83dfb0;hpb=05d70b38a546f35a7687cae6ae3fcd6ab78898b2;p=libs%2Fgl.git

diff --git a/source/light.cpp b/source/light.cpp
deleted file mode 100644
index aeb17c5b..00000000
--- a/source/light.cpp
+++ /dev/null
@@ -1,192 +0,0 @@
-#include <stdexcept>
-#include <msp/gl/extensions/msp_legacy_features.h>
-#include <msp/strings/format.h>
-#include "light.h"
-#include "lightunit.h"
-#include "matrix.h"
-#include "misc.h"
-#include "programdata.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-Light::Light():
-	diffuse(1),
-	specular(1),
-	position(0, 0, 1, 0),
-	spot_dir(0, 0, -1),
-	spot_exp(0),
-	spot_cutoff(Geometry::Angle<float>::straight())
-{
-	attenuation[0] = 1;
-	attenuation[1] = 0;
-	attenuation[2] = 0;
-}
-
-Light::~Light()
-{
-	while(LightUnit *unit = LightUnit::find_unit(this))
-		unbind_from(unit->get_index());
-}
-
-void Light::update_parameter(int mask, int index) const
-{
-	if(index<0)
-	{
-		LightUnit *unit = LightUnit::find_unit(this);
-		if(!unit)
-			return;
-
-		index = unit->get_index();
-	}
-
-	GLenum l = GL_LIGHT0+index;
-	if(mask&DIFFUSE)
-		glLightfv(l, GL_DIFFUSE, &diffuse.r);
-	if(mask&SPECULAR)
-		glLightfv(l, GL_SPECULAR, &specular.r);
-	if(mask&POSITION)
-		glLightfv(l, GL_POSITION, &position.x);
-	if(mask&SPOT_DIR)
-		glLightfv(l, GL_SPOT_DIRECTION, &spot_dir.x);
-	if(mask&SPOT_EXP)
-		glLightf(l, GL_SPOT_EXPONENT, spot_exp);
-	if(mask&SPOT_CUTOFF)
-		glLightf(l, GL_SPOT_CUTOFF, spot_cutoff.degrees());
-	if(mask&ATTENUATION)
-	{
-		glLightf(l, GL_CONSTANT_ATTENUATION, attenuation[0]);
-		glLightf(l, GL_LINEAR_ATTENUATION, attenuation[1]);
-		glLightf(l, GL_QUADRATIC_ATTENUATION, attenuation[2]);
-	}
-}
-
-void Light::update_matrix()
-{
-	Vector3 up_dir;
-	if(20*abs(direction.z)>abs(direction.x)+abs(direction.y))
-		up_dir.y = 1;
-	else
-		up_dir.z = 1;
-	Vector3 right_dir = normalize(cross(direction, up_dir));
-
-	Vector4 columns[4];
-	columns[0] = compose(right_dir, 0.0f);
-	columns[1] = compose(cross(right_dir, direction), 0.0f);
-	columns[2] = compose(-direction, 0.0f);
-	columns[3] = position;
-	matrix = Matrix::from_columns(columns);
-}
-
-void Light::set_diffuse(const Color &c)
-{
-	diffuse = c;
-	update_parameter(DIFFUSE);
-}
-
-void Light::set_specular(const Color &c)
-{
-	specular = c;
-	update_parameter(SPECULAR);
-}
-
-void Light::set_matrix(const Matrix &m)
-{
-	Placeable::set_matrix(m);
-	position = matrix.column(3);
-	spot_dir = normalize(-matrix.column(2).slice<3>(0));
-	direction = (position.w ? spot_dir : normalize(-position.slice<3>(0)));
-	update_parameter(POSITION|SPOT_DIR);
-	update_matrix();
-}
-
-void Light::set_position(const Vector4 &p)
-{
-	position = p;
-	update_parameter(POSITION);
-	if(!position.w)
-		direction = normalize(-position.slice<3>(0));
-	update_matrix();
-}
-
-void Light::set_spot_direction(const Vector3 &d)
-{
-	spot_dir = normalize(d);
-	if(position.w)
-		direction = spot_dir;
-	update_parameter(SPOT_DIR);
-	update_matrix();
-}
-
-void Light::set_spot_exponent(float e)
-{
-	if(e<0)
-		throw invalid_argument("Light::set_spot_exponent");
-
-	spot_exp = e;
-	update_parameter(SPOT_EXP);
-}
-
-void Light::set_spot_cutoff(float c)
-{
-	set_spot_cutoff(Geometry::Angle<float>::from_degrees(c));
-}
-
-void Light::set_spot_cutoff(const Geometry::Angle<float> &c)
-{
-	if(c<Geometry::Angle<float>::zero() || (c>Geometry::Angle<float>::right() && c!=Geometry::Angle<float>::straight()))
-		throw invalid_argument("Light::set_spot_cutoff");
-
-	spot_cutoff = c;
-	update_parameter(SPOT_CUTOFF);
-}
-
-void Light::disable_spot_cutoff()
-{
-	set_spot_cutoff(Geometry::Angle<float>::straight());
-}
-
-void Light::set_attenuation(float c, float l, float q)
-{
-	attenuation[0] = c;
-	attenuation[1] = l;
-	attenuation[2] = q;
-	update_parameter(ATTENUATION);
-}
-
-void Light::update_shader_data(ProgramData &shdata, const Matrix &view_matrix, unsigned i) const
-{
-	string base = format("light_sources[%d]", i);
-	shdata.uniform(base+".position", view_matrix*position);
-	shdata.uniform(base+".diffuse", diffuse);
-	shdata.uniform(base+".specular", specular);
-}
-
-void Light::bind_to(unsigned i) const
-{
-	static Require _req(MSP_legacy_features);
-
-	LightUnit &unit = LightUnit::get_unit(i);
-	if(unit.set_light(this))
-	{
-		enable(GL_LIGHT0+unit.get_index());
-		update_parameter(-1, unit.get_index());
-	}
-}
-
-const Light *Light::current(unsigned i)
-{
-	return LightUnit::get_unit(i).get_light();
-}
-
-void Light::unbind_from(unsigned i)
-{
-	LightUnit &unit = LightUnit::get_unit(i);
-	if(unit.set_light(0))
-		disable(GL_LIGHT0+unit.get_index());
-}
-
-} // namespace GL
-} // namespace Msp