void CoronaRenderer::updateLight(std::shared_ptr<MayaObject> mobj)
{
std::shared_ptr<mtco_MayaObject> obj(std::static_pointer_cast<mtco_MayaObject>(mobj));
if (obj->lightShader != nullptr)
{
if (this->context.scene->hasLightShader(obj->lightShader))
this->context.scene->deleteLightShader(obj->lightShader);
}
if (obj->removed)
return;
if (MayaTo::getWorldPtr()->renderType == MayaTo::MayaToWorld::WorldRenderType::IPRRENDER)
{
obj->transformMatrices.clear();
obj->transformMatrices.push_back(obj->dagPath.inclusiveMatrix());
}
MFnDependencyNode rGlNode(getRenderGlobalsNode());
MObject coronaGlobals = getRenderGlobalsNode();
std::shared_ptr<RenderGlobals> renderGlobals = MayaTo::getWorldPtr()->worldRenderGlobalsPtr;
std::shared_ptr<MayaScene> mayaScene = MayaTo::getWorldPtr()->worldScenePtr;
MObjectArray nodeList;
MStatus stat;
MFnDependencyNode glFn(getRenderGlobalsNode());
Corona::Rgb bgRgb = toCorona(getColorAttr("bgColor", glFn));
int bgType = getEnumInt("bgType", glFn);
MayaObject *sunLight = nullptr;
MFnDependencyNode depFn(obj->mobject);
if (obj->mobject.hasFn(MFn::kPointLight))
{
MColor col;
getColor("color", depFn, col);
float intensity = 1.0f;
getFloat("intensity", depFn, intensity);
int decay = 0;
getEnum(MString("decayRate"), depFn, decay);
MMatrix m = obj->transformMatrices[0] * renderGlobals->globalConversionMatrix;
Corona::Pos LP(m[3][0], m[3][1], m[3][2]);
PointLight *pl = new PointLight;
pl->LP = LP;
pl->distFactor = 1.0 / renderGlobals->scaleFactor;
pl->lightColor = Corona::Rgb(col.r, col.g, col.b);
pl->lightIntensity = intensity;
getEnum(MString("decayRate"), depFn, pl->decayType);
pl->lightRadius = getFloatAttr("lightRadius", depFn, 0.0) * renderGlobals->scaleFactor;
pl->doShadows = getBoolAttr("useRayTraceShadows", depFn, true);
col = getColorAttr("shadowColor", depFn);
pl->shadowColor = Corona::Rgb(col.r, col.g, col.b);
for (auto excludedObj : obj->excludedObjects)
{
pl->excludeList.nodes.push(excludedObj.get());
}
this->context.scene->addLightShader(pl);
obj->lightShader = pl;
}
if (obj->mobject.hasFn(MFn::kSpotLight))
{
MVector lightDir(0, 0, -1);
MColor col;
getColor("color", depFn, col);
float intensity = 1.0f;
getFloat("intensity", depFn, intensity);
MMatrix m = obj->transformMatrices[0] * renderGlobals->globalConversionMatrix;
lightDir *= obj->transformMatrices[0] * renderGlobals->globalConversionMatrix;
lightDir.normalize();
Corona::Pos LP(m[3][0], m[3][1], m[3][2]);
SpotLight *sl = new SpotLight;
sl->LP = LP;
sl->lightColor = Corona::Rgb(col.r, col.g, col.b);
sl->lightIntensity = intensity;
sl->LD = Corona::Dir(lightDir.x, lightDir.y, lightDir.z);
sl->angle = 45.0f;
sl->distFactor = 1.0 / renderGlobals->scaleFactor;
getEnum(MString("decayRate"), depFn, sl->decayType);
getFloat("coneAngle", depFn, sl->angle);
getFloat("penumbraAngle", depFn, sl->penumbraAngle);
getFloat("dropoff", depFn, sl->dropoff);
sl->lightRadius = getFloatAttr("lightRadius", depFn, 0.0) * renderGlobals->scaleFactor;
sl->doShadows = getBoolAttr("useRayTraceShadows", depFn, true);
col = getColorAttr("shadowColor", depFn);
sl->shadowColor = Corona::Rgb(col.r, col.g, col.b);
for (auto excludedObj : obj->excludedObjects)
{
sl->excludeList.nodes.push(excludedObj.get());
}
Corona::AffineTm tm;
setTransformationMatrix(sl->lightWorldInverseMatrix, m);
ShadingNetwork network(obj->mobject);
sl->lightColorMap = defineAttribute(MString("color"), depFn, network, oslRenderer);
this->context.scene->addLightShader(sl);
obj->lightShader = sl;
}
if (obj->mobject.hasFn(MFn::kDirectionalLight))
{
if (getBoolAttr("mtco_useAsSun", depFn, false))
{
if (sunLight != nullptr)
{
Logging::error(MString("A sun light is already defined, ignoring ") + obj->shortName);
return;
}
sunLight = obj.get();
MVector lightDir(0, 0, 1); // default dir light dir
lightDir *= obj->transformMatrices[0];
lightDir *= renderGlobals->globalConversionMatrix;
lightDir.normalize();
MColor sunColor(1);
MFnDependencyNode sunNode(obj->mobject);
getColor("color", sunNode, sunColor);
sunColor *= getFloatAttr("intensity", sunNode, 1.0f);
//float colorMultiplier colorMultiplier = getFloatAttr("mtco_sun_multiplier", sunNode, 1.0f);
const float intensityFactor = (1.f - cos(Corona::SUN_PROJECTED_HALF_ANGLE)) / (1.f - cos(getFloatAttr("sunSizeMulti", rGlNode, 1.0f) * Corona::SUN_PROJECTED_HALF_ANGLE));
sunColor *= intensityFactor * 1.0;// 2000000;
Corona::Sun sun;
Corona::ColorOrMap bgCoMap = this->context.scene->getBackground();
SkyMap *sky = dynamic_cast<SkyMap *>(bgCoMap.getMap());
Corona::Rgb avgColor(1, 1, 1);
if (sky != nullptr)
{
avgColor = sky->sc();
}
Corona::Rgb sColor(sunColor.r, sunColor.g, sunColor.b);
sun.color = sColor * avgColor;
sun.active = true;
sun.dirTo = Corona::Dir(lightDir.x, lightDir.y, lightDir.z).getNormalized();
//sun.color = Corona::Rgb(sunColor.r,sunColor.g,sunColor.b);
sun.visibleDirect = true;
sun.visibleReflect = true;
sun.visibleRefract = true;
sun.sizeMultiplier = getFloatAttr("sunSizeMulti", rGlNode, 1.0);
this->context.scene->getSun() = sun;
if (sky != nullptr)
{
sky->initSky();
this->context.scene->setBackground(bgCoMap);
avgColor = sky->sc();
this->context.scene->getSun().color = sColor * avgColor;
}
}
else{
MVector lightDir(0, 0, -1);
MVector lightDirTangent(1, 0, 0);
MVector lightDirBiTangent(0, 1, 0);
MColor col;
getColor("color", depFn, col);
float intensity = 1.0f;
getFloat("intensity", depFn, intensity);
MMatrix m = obj->transformMatrices[0] * renderGlobals->globalConversionMatrix;
lightDir *= m;
lightDirTangent *= m;
lightDirBiTangent *= m;
lightDir.normalize();
Corona::Pos LP(m[3][0], m[3][1], m[3][2]);
DirectionalLight *dl = new DirectionalLight;
dl->LP = LP;
dl->lightColor = Corona::Rgb(col.r, col.g, col.b);
dl->lightIntensity = intensity;
dl->LD = Corona::Dir(lightDir.x, lightDir.y, lightDir.z);
dl->LT = Corona::Dir(lightDirTangent.x, lightDirTangent.y, lightDirTangent.z);
dl->LBT = Corona::Dir(lightDirBiTangent.x, lightDirBiTangent.y, lightDirBiTangent.z);
dl->lightAngle = getFloatAttr("lightAngle", depFn, 0.0);
dl->doShadows = getBoolAttr("useRayTraceShadows", depFn, true);
col = getColorAttr("shadowColor", depFn);
dl->shadowColor = Corona::Rgb(col.r, col.g, col.b);
for (auto excludedObj : obj->excludedObjects)
{
dl->excludeList.nodes.push(excludedObj.get());
}
this->context.scene->addLightShader(dl);
obj->lightShader = dl;
}
}
if (obj->mobject.hasFn(MFn::kAreaLight))
{
MMatrix m = obj->transformMatrices[0] * renderGlobals->globalConversionMatrix;
if ( obj->geom == nullptr)
obj->geom = defineStdPlane();
obj->geom->deleteAllInstances();
Corona::AnimatedAffineTm atm;
this->setAnimatedTransformationMatrix(atm, obj);
obj->instance = obj->geom->addInstance(atm, nullptr, nullptr);
if (getBoolAttr("mtco_envPortal", depFn, false))
{
Corona::EnviroPortalMtlData data;
Corona::SharedPtr<Corona::IMaterial> mat = data.createMaterial();
Corona::IMaterialSet ms = Corona::IMaterialSet(mat);
obj->instance->addMaterial(ms);
}
else{
Corona::NativeMtlData data;
MColor lightColor = getColorAttr("color", depFn);
float intensity = getFloatAttr("intensity", depFn, 1.0f);
lightColor *= intensity;
Corona::ColorOrMap com;
// experimental direct corona texture
if (getBoolAttr("mtco_noOSL", depFn, false))
{
MObject fileNode = getConnectedInNode(obj->mobject, "color");
if ((fileNode != MObject::kNullObj) && (fileNode.hasFn(MFn::kFileTexture)))
{
MFnDependencyNode fileDep(fileNode);
mtco_MapLoader loader(fileNode);
Corona::SharedPtr<Corona::Abstract::Map> texmap = loader.loadBitmap("");
com = Corona::ColorOrMap(bgRgb, texmap);
}
}
else
{
com = defineAttribute(MString("color"), obj->mobject, oslRenderer);
OSLMap *oslmap = (OSLMap *)com.getMap();
if (oslmap != nullptr)
{
oslmap->multiplier = intensity;
}
else{
Corona::Rgb col = com.getConstantColor() * intensity;
com.setColor(col);
}
}
data.emission.color = com;
data.castsShadows = getBoolAttr("mtco_castShadows", depFn, false);
for (auto excludedObj : obj->excludedObjects)
{
data.emission.excluded.nodes.push(excludedObj.get());
}
data.emission.disableSampling = false;
data.emission.useTwoSidedEmission = getBoolAttr("mtco_doubleSided", depFn, false);
Corona::SharedPtr<Corona::IMaterial> mat = data.createMaterial();
Corona::IMaterialSet ms = Corona::IMaterialSet(mat);
ms.visibility.direct = getBoolAttr("mtco_areaVisible", depFn, true);
ms.visibility.reflect = getBoolAttr("mtco_visibleInReflection", depFn, true);
ms.visibility.refract = getBoolAttr("mtco_visibleInRefraction", depFn, true);
obj->instance->addMaterial(ms);
}
}
}
void CoronaRenderer::defineLights()
{
// first get the globals node and serach for a directional light connection
MObject coronaGlobals = objectFromName(MString("coronaGlobals"));
MObjectArray nodeList;
MStatus stat;
if( this->mtco_renderGlobals->useSunLightConnection )
{
getConnectedInNodes(MString("sunLightConnection"), coronaGlobals, nodeList);
if( nodeList.length() > 0)
{
MObject sunObj = nodeList[0];
if(sunObj.hasFn(MFn::kTransform))
{
// we suppose what's connected here is a dir light transform
MVector lightDir(0, 0, 1); // default dir light dir
MFnDagNode sunDagNode(sunObj);
lightDir *= sunDagNode.transformationMatrix();
lightDir *= this->mtco_renderGlobals->globalConversionMatrix;
lightDir.normalize();
MObject sunDagObj = sunDagNode.child(0, &stat);
if( !stat )
logger.error("no child 0");
MColor sunColor(1);
float colorMultiplier = 1.0f;
if(sunDagObj.hasFn(MFn::kDirectionalLight))
{
MFnDependencyNode sunNode(sunDagObj);
getColor("color", sunNode, sunColor);
getFloat("mtco_sun_multiplier", sunNode, colorMultiplier);
}else{
logger.warning(MString("Sun connection is not a directional light - using transform only."));
}
sunColor *= colorMultiplier * 10000.0;
Corona::Sun sun;
sun.active = true;
sun.dirTo = Corona::Dir(lightDir.x, lightDir.y, lightDir.z).getNormalized();
sun.color = Corona::Rgb(sunColor.r,sunColor.g,sunColor.b);
sun.visibleDirect = true;
sun.visibleReflect = true;
sun.visibleRefract = true;
sun.sizeMultiplier = 2.0f;
this->context.scene->getSun() = sun;
}
}
}
for( size_t lightId = 0; lightId < this->mtco_scene->lightList.size(); lightId++)
{
mtco_MayaObject *obj = (mtco_MayaObject *)this->mtco_scene->lightList[lightId];
if(!obj->visible)
continue;
if( this->isSunLight(obj))
continue;
MFnDependencyNode depFn(obj->mobject);
if( obj->mobject.hasFn(MFn::kPointLight))
{
MColor col;
getColor("color", depFn, col);
float intensity = 1.0f;
getFloat("intensity", depFn, intensity);
int decay = 0;
getEnum(MString("decayRate"), depFn, decay);
MMatrix m = obj->transformMatrices[0] * this->mtco_renderGlobals->globalConversionMatrix;
Corona::Pos LP(m[3][0],m[3][1],m[3][2]);
PointLight *pl = new PointLight;
pl->LP = LP;
pl->distFactor = 1.0/this->mtco_renderGlobals->scaleFactor;
pl->lightColor = Corona::Rgb(col.r, col.g, col.b);
pl->lightIntensity = intensity;
getEnum(MString("decayRate"), depFn, pl->decayType);
this->context.scene->addLightShader(pl);
}
if( obj->mobject.hasFn(MFn::kSpotLight))
{
MVector lightDir(0, 0, -1);
MColor col;
getColor("color", depFn, col);
float intensity = 1.0f;
getFloat("intensity", depFn, intensity);
MMatrix m = obj->transformMatrices[0] * this->mtco_renderGlobals->globalConversionMatrix;
lightDir *= obj->transformMatrices[0] * this->mtco_renderGlobals->globalConversionMatrix;
lightDir.normalize();
Corona::Pos LP(m[3][0],m[3][1],m[3][2]);
SpotLight *sl = new SpotLight;
sl->LP = LP;
sl->lightColor = Corona::Rgb(col.r, col.g, col.b);
sl->lightIntensity = intensity;
sl->LD = Corona::Dir(lightDir.x, lightDir.y, lightDir.z);
sl->angle = 45.0f;
sl->distFactor = 1.0/this->mtco_renderGlobals->scaleFactor;
getEnum(MString("decayRate"), depFn, sl->decayType);
getFloat("coneAngle", depFn, sl->angle);
getFloat("penumbraAngle", depFn, sl->penumbraAngle);
getFloat("dropoff", depFn, sl->dropoff);
this->context.scene->addLightShader(sl);
}
if( obj->mobject.hasFn(MFn::kDirectionalLight))
{
MVector lightDir(0, 0, -1);
MColor col;
getColor("color", depFn, col);
float intensity = 1.0f;
getFloat("intensity", depFn, intensity);
MMatrix m = obj->transformMatrices[0] * this->mtco_renderGlobals->globalConversionMatrix;
lightDir *= m;
lightDir.normalize();
Corona::Pos LP(m[3][0],m[3][1],m[3][2]);
DirectionalLight *dl = new DirectionalLight;
dl->LP = LP;
dl->lightColor = Corona::Rgb(col.r, col.g, col.b);
dl->lightIntensity = intensity;
dl->LD = Corona::Dir(lightDir.x, lightDir.y, lightDir.z);
this->context.scene->addLightShader(dl);
}
if( obj->mobject.hasFn(MFn::kAreaLight))
{
logger.warning(MString("Area light: ") + obj->shortName + " not yet supported.");
MMatrix m = obj->transformMatrices[0] * this->mtco_renderGlobals->globalConversionMatrix;
obj->geom = defineStdPlane();
Corona::AnimatedAffineTm atm;
this->setAnimatedTransformationMatrix(atm, obj);
obj->instance = obj->geom->addInstance(atm, NULL, NULL);
//this->defineMaterial(obj->instance, obj);
}
}
}
