RtVoid
Subdivide(RtPointer data, RtFloat detail)
{
RtFloat *curve_width = (RtFloat *)data;
RtInt nverts[1] = {2};
RtFloat plist[6]={0.0,0.0,0.0,0.0,1.0,0.0};
RtFloat wlist[2]={*curve_width, 0.0};
RiDeclare("width","[varying] [float] []");
/* output a curve with the given width */
RiCurves ( (RtToken)"linear", 1, nverts, (RtToken)"periodic", (RtToken)"P", plist, (RtToken)"width", wlist);
}
void SpotLight::prepare(Scene* scene)
{
#if 0
/*
Attribute castShadows = attributeByName("Casts Shadows");
if (castShadows && castShadows->property("value").isValid()) {
}
*/
//Attribute position = ;
//position.property("value").toFloat();
QVector3D position = getBoundValue<QVector3D>(this, attributeByName("Position"));
QVector3D lookat = position + lookDir();
float coneAngle = PI * attributeByName("Cone Angle")->property("value").value<float>() / 180.0f;
RtFloat intensity = attributeByName("Intensity")->property("value").value<float>();
RtPoint from = { position.x(), position.y(), position.z() };
RtPoint to = { lookat.x(), lookat.y(), lookat.z() };
QColor color = attributeByName("Color")->property("value").value<QColor>();
RtColor c = { color.redF(), color.greenF(), color.blueF() };
bool castsShadow = attributeByName("Casts Shadows")->property("value").value<bool>();
if (castsShadow)
{
QString shadowPath = QString(getenv("AQSIS_TEXTURE_PATH")).split(":")[0] + "/" + scene->assetName(this) + ".shd";
char cShadowPath[1000];
strcpy(cShadowPath, shadowPath.toStdString().c_str());
char *shadowPaths[]= { cShadowPath, RI_NULL };
// float shadowBias = attributeByName("Shadow Bias")->property("value").value<float>();
//RiOption("shadow", "bias", (RtPointer)&shadowBias, RI_NULL);
// std::cout << "shadow bias: " << shadowBias << std::endl;
RiDeclare("shadowname", "uniform string");
RiLightSource("shadowspot", "from", from, "to", to, "intensity", &intensity, "coneangle", &coneAngle, "lightcolor", &c, "shadowname", shadowPaths, RI_NULL);
}
else
RiLightSource("spotlight", "from", from, "to", to, "intensity", &intensity, "coneangle", &coneAngle, "lightcolor", &c, RI_NULL);
//LightSource "shadowspot" 1 "intensity" 50 "from" [1 5 0] "to" [0 0 0]
// "shadowname" ["spot1.tx"]
#endif
}
