#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;
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)
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))
{