myDiffuse.h

#include "math.h"

void myDiffuse(vector color, nN, diffuseNoShadowPass, diffusePass, shadowPass; string categories, lightmask)
{
	diffuseNoShadowPass = {0, 0, 0};
	diffusePass = {0, 0, 0};
	shadowPass = {0, 0, 0};

	illuminance(P, nN, M_PI/2, bouncemask("diffuse"), "categories", categories, "lightmask", lightmask)
	{
	    vector _diffuseNoShadowPass = Cl * color * dot(nN, normalize(L));
	    vector _diffusePass = shadow(_diffuseNoShadowPass);    
	    vector _shadowPass = _diffuseNoShadowPass - _diffusePass;
	    
	    storelightexport(getlightname(), "diffusePass", _diffusePass);
	    storelightexport(getlightname(), "diffuseNoShadowPass", _diffuseNoShadowPass);
	    storelightexport(getlightname(), "shadowPass", _shadowPass);
	    
	    diffuseNoShadowPass += _diffuseNoShadowPass;
	    
	    
	    //diffusePass += shadow(diffuseNoShadowPass);
	    diffusePass += _diffusePass;
	    
	    
	    shadowPass += _shadowPass;
	}
}