#include <Performer/pf/pfTraverser.h>
#include "lightGroup.h"

/************************************************************************/
/* Performer type data
*/

pfType *lightGroup::classType_ = NULL; 

void lightGroup::init(void)
{
 if (classType_ == NULL)
	{
        pfGroup::init();
        classType_ =  new pfType(pfGroup::getClassType(), "lightGroup");
	}
}
/************************************************************************/



lightGroup::lightGroup(void)
{
 setType(classType_);
 lights_ = new pfList(sizeof(pfLight *),8);
 setTravFuncs(PFTRAV_DRAW,preDraw,postDraw);
}

void lightGroup::addLight(pfLight *l)
{
 lights_->add(l);
}

pfList * lightGroup::lights(void)
{
 return lights_;
}

void lightGroup::lightsOn(void)
{
 int i;
 for (i=0; i < lights_->getNum(); i++)
	{
	pfLight * light = (pfLight *) lights_->get(i);
	light->on();
	}
}

void lightGroup::lightsOff(void)
{
 int i;
 for (i=0; i < lights_->getNum(); i++)
	{
	pfLight * light = (pfLight *) lights_->get(i);
	light->off();
	}
}


int lightGroup::preDraw(pfTraverser *trav,void *)
{
 lightGroup * lg = (lightGroup *) trav->getNode();
 lg->lightsOn();
 return PFTRAV_CONT;
}

int lightGroup::postDraw(pfTraverser *trav,void *)
{
 lightGroup * lg = (lightGroup *) trav->getNode();
 lg->lightsOff();
 return PFTRAV_CONT;
}