/// <summary>
///
/// </summary>
/// <param name="mDagPath">DAG path to the transform above light</param>
/// <param name="babylonScene"></param>
/// <returns></returns>
private BabylonNode ExportLight(MDagPath mDagPath, BabylonScene babylonScene)
{
RaiseMessage(mDagPath.partialPathName, 1);
// Transform above light
MFnTransform mFnTransform = new MFnTransform(mDagPath);
// Light direct child of the transform
MFnLight mFnLight = null;
for (uint i = 0; i < mFnTransform.childCount; i++)
{
MObject childObject = mFnTransform.child(i);
if (childObject.hasFn(MFn.Type.kLight))
{
var _mFnLight = new MFnLight(childObject);
if (!_mFnLight.isIntermediateObject)
{
mFnLight = _mFnLight;
}
}
}
if (mFnLight == null)
{
RaiseError("No light found has child of " + mDagPath.fullPathName);
return(null);
}
RaiseMessage("mFnLight.fullPathName=" + mFnLight.fullPathName, 2);
// --- prints ---
#region prints
// MFnLight
RaiseVerbose("BabylonExporter.Light | mFnLight data", 2);
RaiseVerbose("BabylonExporter.Light | mFnLight.color.toString()=" + mFnLight.color.toString(), 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.intensity=" + mFnLight.intensity, 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.useRayTraceShadows=" + mFnLight.useRayTraceShadows, 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.shadowColor.toString()=" + mFnLight.shadowColor.toString(), 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.centerOfIllumination=" + mFnLight.centerOfIllumination, 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.numShadowSamples=" + mFnLight.numShadowSamples, 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.rayDepthLimit=" + mFnLight.rayDepthLimit, 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.opticalFXvisibility.toString()=" + mFnLight.opticalFXvisibility.toString(), 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.lightIntensity.toString()=" + mFnLight.lightIntensity.toString(), 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.instanceCount(true)=" + mFnLight.instanceCount(true), 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.lightDirection(0).toString()=" + mFnLight.lightDirection(0).toString(), 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.lightAmbient=" + mFnLight.lightAmbient, 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.lightDiffuse=" + mFnLight.lightDiffuse, 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.lightSpecular=" + mFnLight.lightSpecular, 3);
switch (mFnLight.objectProperty.apiType)
{
case MFn.Type.kSpotLight:
MFnSpotLight mFnSpotLight = new MFnSpotLight(mFnLight.objectProperty);
// MFnNonAmbientLight
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.decayRate=" + mFnSpotLight.decayRate, 3); // dropdown enum value
// MFnNonExtendedLight
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.shadowRadius=" + mFnSpotLight.shadowRadius, 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.castSoftShadows=" + mFnSpotLight.castSoftShadows, 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.useDepthMapShadows=" + mFnSpotLight.useDepthMapShadows, 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.depthMapFilterSize()=" + mFnSpotLight.depthMapFilterSize(), 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.depthMapResolution()=" + mFnSpotLight.depthMapResolution(), 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.depthMapBias()=" + mFnSpotLight.depthMapBias(), 3);
// MFnSpotLight
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.coneAngle=" + mFnSpotLight.coneAngle, 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.penumbraAngle=" + mFnSpotLight.penumbraAngle, 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.dropOff=" + mFnSpotLight.dropOff, 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.barnDoors=" + mFnSpotLight.barnDoors, 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.useDecayRegions=" + mFnSpotLight.useDecayRegions, 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kFirst)=" + mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kFirst), 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kFirst)=" + mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kFirst), 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kSecond)=" + mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kSecond), 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kSecond)=" + mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kSecond), 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kThird)=" + mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kThird), 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kThird)=" + mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kThird), 3);
break;
}
Print(mFnTransform, 2, "Print ExportLight mFnTransform");
Print(mFnLight, 2, "Print ExportLight mFnLight");
#endregion
if (IsLightExportable(mFnLight, mDagPath) == false)
{
return(null);
}
var babylonLight = new BabylonLight {
name = mFnTransform.name, id = mFnTransform.uuid().asString()
};
// Hierarchy
ExportHierarchy(babylonLight, mFnTransform);
// User custom attributes
babylonLight.metadata = ExportCustomAttributeFromTransform(mFnTransform);
// Position
//RaiseVerbose("BabylonExporter.Light | ExportTransform", 2);
float[] position = null;
GetTransform(mFnTransform, ref position);
babylonLight.position = position;
// Direction
var vDir = new MVector(0, 0, -1);
var transformationMatrix = new MTransformationMatrix(mFnTransform.transformationMatrix);
vDir = vDir.multiply(transformationMatrix.asMatrixProperty);
vDir.normalize();
babylonLight.direction = new[] { (float)vDir.x, (float)vDir.y, -(float)vDir.z };
// Common fields
babylonLight.intensity = mFnLight.intensity;
babylonLight.diffuse = mFnLight.lightDiffuse ? mFnLight.color.toArrayRGB() : new float[] { 0, 0, 0 };
babylonLight.specular = mFnLight.lightSpecular ? mFnLight.color.toArrayRGB() : new float[] { 0, 0, 0 };
// Type
switch (mFnLight.objectProperty.apiType)
{
case MFn.Type.kPointLight:
babylonLight.type = 0;
break;
case MFn.Type.kSpotLight:
MFnSpotLight mFnSpotLight = new MFnSpotLight(mFnLight.objectProperty);
babylonLight.type = 2;
babylonLight.angle = (float)mFnSpotLight.coneAngle;
babylonLight.exponent = 1;
if (mFnSpotLight.useDecayRegions)
{
babylonLight.range = mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kThird); // Max distance
}
break;
case MFn.Type.kDirectionalLight:
babylonLight.type = 1;
break;
case MFn.Type.kAmbientLight:
babylonLight.type = 3;
babylonLight.groundColor = new float[] { 0, 0, 0 };
// No emit diffuse /specular checkbox for ambient light
babylonLight.diffuse = mFnLight.color.toArrayRGB();
babylonLight.specular = babylonLight.diffuse;
// Direction
vDir = new MVector(0, 1, 0);
transformationMatrix = new MTransformationMatrix(mFnTransform.transformationMatrix);
vDir = vDir.multiply(transformationMatrix.asMatrixProperty);
vDir.normalize();
babylonLight.direction = new[] { (float)vDir.x, (float)vDir.y, -(float)vDir.z };
break;
case MFn.Type.kAreaLight:
case MFn.Type.kVolumeLight:
RaiseError("Unsupported light type '" + mFnLight.objectProperty.apiType + "' for DAG path '" + mFnLight.fullPathName + "'. Light is ignored. Supported light types are: ambient, directional, point and spot.", 1);
return(null);
default:
RaiseWarning("Unknown light type '" + mFnLight.objectProperty.apiType + "' for DAG path '" + mFnLight.fullPathName + "'. Light is ignored.", 1);
return(null);
}
// TODO - Shadows
//Variable declaration
MStringArray enlightedMeshesFullPathNames = new MStringArray();
List <string> includeMeshesIds = new List <string>();
MStringArray kTransMesh = new MStringArray();
String typeMesh = null;
MStringArray UUIDMesh = new MStringArray();
//MEL Command that get the enlighted mesh for a given light
MGlobal.executeCommand($@"lightlink -query -light {mFnTransform.fullPathName};", enlightedMeshesFullPathNames);
//For each enlighted mesh
foreach (String Mesh in enlightedMeshesFullPathNames)
{
//MEL Command use to get the type of each mesh
typeMesh = MGlobal.executeCommandStringResult($@"nodeType -api {Mesh};");
//We are targeting the type kMesh and not kTransform (for parenting)
if (typeMesh == "kMesh")
{
MGlobal.executeCommand($@"listRelatives -parent -fullPath {Mesh};", kTransMesh);
//And finally the MEL Command for the uuid of each mesh
MGlobal.executeCommand($@"ls -uuid {kTransMesh[0]};", UUIDMesh);
includeMeshesIds.Add(UUIDMesh[0]);
}
}
babylonLight.includedOnlyMeshesIds = includeMeshesIds.ToArray();
// Animations
if (exportParameters.bakeAnimationFrames)
{
ExportNodeAnimationFrameByFrame(babylonLight, mFnTransform);
}
else
{
ExportNodeAnimation(babylonLight, mFnTransform);
}
babylonScene.LightsList.Add(babylonLight);
return(babylonLight);
}
private void doScan(MItDag.TraversalType traversalType, MFn.Type filter, bool quiet)
{
MItDag dagIterator = new MItDag(traversalType, filter);
// Scan the entire DAG and output the name and depth of each node
if (traversalType == MItDag.TraversalType.kBreadthFirst)
{
if (!quiet)
{
MGlobal.displayInfo(Environment.NewLine + "Starting Breadth First scan of the Dag");
}
else
if (!quiet)
{
MGlobal.displayInfo(Environment.NewLine + "Starting Depth First scan of the Dag");
}
}
switch (filter)
{
case MFn.Type.kCamera:
if (!quiet)
{
MGlobal.displayInfo(": Filtering for Cameras\n");
}
break;
case MFn.Type.kLight:
if (!quiet)
{
MGlobal.displayInfo(": Filtering for Lights\n");
}
break;
case MFn.Type.kNurbsSurface:
if (!quiet)
{
MGlobal.displayInfo(": Filtering for Nurbs Surfaces\n");
}
break;
default:
MGlobal.displayInfo(Environment.NewLine);
break;
}
int objectCount = 0;
for ( ; !dagIterator.isDone; dagIterator.next())
{
MDagPath dagPath = new MDagPath();
try
{
dagIterator.getPath(dagPath);
}
catch (System.Exception)
{
continue;
}
MFnDagNode dagNode = null;
try
{
dagNode = new MFnDagNode(dagPath);
}
catch (System.Exception)
{
continue;
}
if (!quiet)
{
MGlobal.displayInfo(dagNode.name + ": " + dagNode.typeName + Environment.NewLine);
}
if (!quiet)
{
MGlobal.displayInfo(" dagPath: " + dagPath.fullPathName + Environment.NewLine);
}
objectCount += 1;
if (dagPath.hasFn(MFn.Type.kCamera))
{
MFnCamera camera = null;
try
{
camera = new MFnCamera(dagPath);
}
catch (System.Exception)
{
continue;
}
// Get the translation/rotation/scale data
//
printTransformData(dagPath, quiet);
// Extract some interesting Camera data
//
if (!quiet)
{
MGlobal.displayInfo(" eyePoint: " + MPointToString(camera.eyePoint(MSpace.Space.kWorld)) + Environment.NewLine);
MGlobal.displayInfo(" upDirection: " + MVectorToString(camera.upDirection(MSpace.Space.kWorld)) + Environment.NewLine);
MGlobal.displayInfo(" viewDirection: " + MVectorToString(camera.viewDirection(MSpace.Space.kWorld)) + Environment.NewLine);
MGlobal.displayInfo(" aspectRatio: " + Convert.ToString(camera.aspectRatio) + Environment.NewLine);
MGlobal.displayInfo(" horizontalFilmAperture: " + Convert.ToString(camera.horizontalFilmAperture) + Environment.NewLine);
MGlobal.displayInfo(" verticalFilmAperture: " + Convert.ToString(camera.verticalFilmAperture) + Environment.NewLine);
}
}
else if (dagPath.hasFn(MFn.Type.kLight))
{
MFnLight light = null;
try
{
light = new MFnLight(dagPath);
}
catch (System.Exception)
{
continue;
}
// Get the translation/rotation/scale data
//
printTransformData(dagPath, quiet);
// Extract some interesting Light data
//
MColor color = light.color;
if (!quiet)
{
MGlobal.displayInfo(string.Format(" color: [%f, %f, %f]\n", color.r, color.g, color.b));
}
color = light.shadowColor;
if (!quiet)
{
MGlobal.displayInfo(string.Format(" shadowColor: [%f, %f, %f]\n", color.r, color.g, color.b));
MGlobal.displayInfo(" intensity: " + Convert.ToString(light.intensity) + Environment.NewLine);
}
}
else if (dagPath.hasFn(MFn.Type.kNurbsSurface))
{
MFnNurbsSurface surface = null;
try
{
surface = new MFnNurbsSurface(dagPath);
}
catch (System.Exception)
{
continue;
}
// Get the translation/rotation/scale data
//
printTransformData(dagPath, quiet);
// Extract some interesting Surface data
//
if (!quiet)
{
MGlobal.displayInfo(string.Format(" numCVs: %d * %s", surface.numCVsInU, surface.numCVsInV) + Environment.NewLine);
MGlobal.displayInfo(string.Format(" numKnots: %d * %s\n", surface.numKnotsInU, surface.numKnotsInV) + Environment.NewLine);
MGlobal.displayInfo(string.Format(" numSpans: %d * %s\n", surface.numSpansInU, surface.numSpansInV) + Environment.NewLine);
}
}
else
{
// Get the translation/rotation/scale data
//
printTransformData(dagPath, quiet);
}
}
setResult(objectCount);
}
public void ResetLights()
{
//<AmbientLight Color="White" />
//<DirectionalLight Color="White" Direction="-1,-1,-1" />
//<PointLight Color="White" ConstantAttenuation="1" LinearAttenuation="1" Position="0,0,0" QuadraticAttenuation="1" Range="0" />
//<SpotLight Color="White" ConstantAttenuation="1" Direction="-1,-1,-1" InnerConeAngle="10" LinearAttenuation="1" OuterConeAngle="10" Position="0,0,0" QuadraticAttenuation="1" Range="0" />
lights.Children.Clear();
MItDag dagIterator = new MItDag(MItDag.TraversalType.kDepthFirst, MFn.Type.kLight);
for ( ; !dagIterator.isDone; dagIterator.next())
{
MDagPath lightPath = new MDagPath();
dagIterator.getPath(lightPath);
MFnLight light = new MFnLight(lightPath);
bool isAmbient = light.lightAmbient;
MColor mcolor = light.color;
Color color = Color.FromScRgb(1.0f, mcolor.r, mcolor.g, mcolor.b);
if (isAmbient)
{
AmbientLight ambient = new AmbientLight(color);
lights.Children.Add(ambient);
continue;
}
MFloatVector lightDirection = light.lightDirection(0, MSpace.Space.kWorld);
Vector3D direction = new Vector3D(lightDirection.x, lightDirection.y, lightDirection.z);
bool isDiffuse = light.lightDiffuse;
try {
MFnDirectionalLight dirLight = new MFnDirectionalLight(lightPath);
DirectionalLight directional = new DirectionalLight(color, direction);
lights.Children.Add(directional);
continue;
} catch {
}
MObject transformNode = lightPath.transform;
MFnDagNode transform = new MFnDagNode(transformNode);
MTransformationMatrix matrix = new MTransformationMatrix(transform.transformationMatrix);
double [] threeDoubles = new double [3];
int rOrder = 0; //MTransformationMatrix.RotationOrder rOrder ;
matrix.getRotation(threeDoubles, out rOrder, MSpace.Space.kWorld);
matrix.getScale(threeDoubles, MSpace.Space.kWorld);
MVector pos = matrix.getTranslation(MSpace.Space.kWorld);
Point3D position = new Point3D(pos.x, pos.y, pos.z);
try {
MFnPointLight pointLight = new MFnPointLight(lightPath);
PointLight point = new PointLight(color, position);
//point.ConstantAttenuation =pointLight. ; // LinearAttenuation / QuadraticAttenuation
//point.Range =pointLight.rayDepthLimit ;
lights.Children.Add(point);
continue;
} catch {
}
try {
MFnSpotLight spotLight = new MFnSpotLight(lightPath);
MAngle InnerConeAngle = new MAngle(spotLight.coneAngle);
MAngle OuterConeAngle = new MAngle(spotLight.penumbraAngle);
SpotLight spot = new SpotLight(color, position, direction, OuterConeAngle.asDegrees, InnerConeAngle.asDegrees);
spot.ConstantAttenuation = spotLight.dropOff; // LinearAttenuation / QuadraticAttenuation
//spot.Range =spotLight.rayDepthLimit ;
lights.Children.Add(spot);
continue;
} catch {
}
}
}
public void ResetLights()
{
//<AmbientLight Color="White" />
//<DirectionalLight Color="White" Direction="-1,-1,-1" />
//<PointLight Color="White" ConstantAttenuation="1" LinearAttenuation="1" Position="0,0,0" QuadraticAttenuation="1" Range="0" />
//<SpotLight Color="White" ConstantAttenuation="1" Direction="-1,-1,-1" InnerConeAngle="10" LinearAttenuation="1" OuterConeAngle="10" Position="0,0,0" QuadraticAttenuation="1" Range="0" />
lights.Children.Clear () ;
MItDag dagIterator =new MItDag (MItDag.TraversalType.kDepthFirst, MFn.Type.kLight) ;
for ( ; !dagIterator.isDone ; dagIterator.next () ) {
MDagPath lightPath =new MDagPath () ;
dagIterator.getPath (lightPath) ;
MFnLight light =new MFnLight (lightPath) ;
bool isAmbient =light.lightAmbient ;
MColor mcolor =light.color ;
Color color =Color.FromScRgb (1.0f, mcolor.r, mcolor.g, mcolor.b) ;
if ( isAmbient ) {
AmbientLight ambient =new AmbientLight (color) ;
lights.Children.Add (ambient) ;
continue ;
}
MFloatVector lightDirection =light.lightDirection (0, MSpace.Space.kWorld) ;
Vector3D direction =new Vector3D (lightDirection.x, lightDirection.y, lightDirection.z) ;
bool isDiffuse =light.lightDiffuse ;
try {
MFnDirectionalLight dirLight =new MFnDirectionalLight (lightPath) ;
DirectionalLight directional =new DirectionalLight (color, direction) ;
lights.Children.Add (directional) ;
continue ;
} catch {
}
MObject transformNode =lightPath.transform ;
MFnDagNode transform =new MFnDagNode (transformNode) ;
MTransformationMatrix matrix =new MTransformationMatrix (transform.transformationMatrix) ;
double [] threeDoubles =new double [3] ;
int rOrder =0 ; //MTransformationMatrix.RotationOrder rOrder ;
matrix.getRotation (threeDoubles, out rOrder, MSpace.Space.kWorld) ;
matrix.getScale (threeDoubles, MSpace.Space.kWorld) ;
MVector pos =matrix.getTranslation (MSpace.Space.kWorld) ;
Point3D position =new Point3D (pos.x, pos.y, pos.z) ;
try {
MFnPointLight pointLight =new MFnPointLight (lightPath) ;
PointLight point =new PointLight (color, position) ;
//point.ConstantAttenuation =pointLight. ; // LinearAttenuation / QuadraticAttenuation
//point.Range =pointLight.rayDepthLimit ;
lights.Children.Add (point) ;
continue ;
} catch {
}
try {
MFnSpotLight spotLight =new MFnSpotLight (lightPath) ;
MAngle InnerConeAngle =new MAngle (spotLight.coneAngle) ;
MAngle OuterConeAngle =new MAngle (spotLight.penumbraAngle) ;
SpotLight spot =new SpotLight (color, position, direction, OuterConeAngle.asDegrees, InnerConeAngle.asDegrees) ;
spot.ConstantAttenuation =spotLight.dropOff ; // LinearAttenuation / QuadraticAttenuation
//spot.Range =spotLight.rayDepthLimit ;
lights.Children.Add (spot) ;
continue ;
} catch {
}
}
}
/// <summary>
///
/// </summary>
/// <param name="mDagPath">DAG path to the transform above light</param>
/// <param name="babylonScene"></param>
/// <returns></returns>
private BabylonNode ExportLight(MDagPath mDagPath, BabylonScene babylonScene)
{
RaiseMessage(mDagPath.partialPathName, 1);
// Transform above light
MFnTransform mFnTransform = new MFnTransform(mDagPath);
// Light direct child of the transform
MFnLight mFnLight = null;
for (uint i = 0; i < mFnTransform.childCount; i++)
{
MObject childObject = mFnTransform.child(i);
if (childObject.hasFn(MFn.Type.kLight))
{
mFnLight = new MFnLight(childObject);
}
}
if (mFnLight == null)
{
RaiseError("No light found has child of " + mDagPath.fullPathName);
return(null);
}
RaiseMessage("mFnLight.fullPathName=" + mFnLight.fullPathName, 2);
// --- prints ---
#region prints
// MFnLight
RaiseVerbose("BabylonExporter.Light | mFnLight data", 2);
RaiseVerbose("BabylonExporter.Light | mFnLight.color.toString()=" + mFnLight.color.toString(), 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.intensity=" + mFnLight.intensity, 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.useRayTraceShadows=" + mFnLight.useRayTraceShadows, 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.shadowColor.toString()=" + mFnLight.shadowColor.toString(), 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.centerOfIllumination=" + mFnLight.centerOfIllumination, 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.numShadowSamples=" + mFnLight.numShadowSamples, 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.rayDepthLimit=" + mFnLight.rayDepthLimit, 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.opticalFXvisibility.toString()=" + mFnLight.opticalFXvisibility.toString(), 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.lightIntensity.toString()=" + mFnLight.lightIntensity.toString(), 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.instanceCount(true)=" + mFnLight.instanceCount(true), 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.lightDirection(0).toString()=" + mFnLight.lightDirection(0).toString(), 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.lightAmbient=" + mFnLight.lightAmbient, 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.lightDiffuse=" + mFnLight.lightDiffuse, 3);
RaiseVerbose("BabylonExporter.Light | mFnLight.lightSpecular=" + mFnLight.lightSpecular, 3);
switch (mFnLight.objectProperty.apiType)
{
case MFn.Type.kSpotLight:
MFnSpotLight mFnSpotLight = new MFnSpotLight(mFnLight.objectProperty);
// MFnNonAmbientLight
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.decayRate=" + mFnSpotLight.decayRate, 3); // dropdown enum value
// MFnNonExtendedLight
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.shadowRadius=" + mFnSpotLight.shadowRadius, 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.castSoftShadows=" + mFnSpotLight.castSoftShadows, 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.useDepthMapShadows=" + mFnSpotLight.useDepthMapShadows, 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.depthMapFilterSize()=" + mFnSpotLight.depthMapFilterSize(), 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.depthMapResolution()=" + mFnSpotLight.depthMapResolution(), 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.depthMapBias()=" + mFnSpotLight.depthMapBias(), 3);
// MFnSpotLight
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.coneAngle=" + mFnSpotLight.coneAngle, 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.penumbraAngle=" + mFnSpotLight.penumbraAngle, 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.dropOff=" + mFnSpotLight.dropOff, 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.barnDoors=" + mFnSpotLight.barnDoors, 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.useDecayRegions=" + mFnSpotLight.useDecayRegions, 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kFirst)=" + mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kFirst), 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kFirst)=" + mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kFirst), 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kSecond)=" + mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kSecond), 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kSecond)=" + mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kSecond), 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kThird)=" + mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kThird), 3);
RaiseVerbose("BabylonExporter.Light | mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kThird)=" + mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kThird), 3);
break;
}
#endregion
if (IsLightExportable(mFnLight, mDagPath) == false)
{
return(null);
}
var babylonLight = new BabylonLight {
name = mFnTransform.name, id = mFnTransform.uuid().asString()
};
// Hierarchy
ExportHierarchy(babylonLight, mFnTransform);
// Position
RaiseVerbose("BabylonExporter.Light | ExportTransform", 2);
float[] position = null;
GetTransform(mFnTransform, ref position);
babylonLight.position = position;
// Direction
var vDir = new MVector(0, 0, -1);
var transformationMatrix = new MTransformationMatrix(mFnTransform.transformationMatrix);
vDir = vDir.multiply(transformationMatrix.asMatrixProperty);
vDir.normalize();
babylonLight.direction = new[] { (float)vDir.x, (float)vDir.y, -(float)vDir.z };
// Common fields
babylonLight.intensity = mFnLight.intensity;
babylonLight.diffuse = mFnLight.lightDiffuse ? mFnLight.color.toArrayRGB() : new float[] { 0, 0, 0 };
babylonLight.specular = mFnLight.lightSpecular ? mFnLight.color.toArrayRGB() : new float[] { 0, 0, 0 };
// Type
switch (mFnLight.objectProperty.apiType)
{
case MFn.Type.kPointLight:
babylonLight.type = 0;
break;
case MFn.Type.kSpotLight:
MFnSpotLight mFnSpotLight = new MFnSpotLight(mFnLight.objectProperty);
babylonLight.type = 2;
babylonLight.angle = (float)mFnSpotLight.coneAngle;
babylonLight.exponent = 1;
if (mFnSpotLight.useDecayRegions)
{
babylonLight.range = mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kThird); // Max distance
}
break;
case MFn.Type.kDirectionalLight:
babylonLight.type = 1;
break;
case MFn.Type.kAmbientLight:
babylonLight.type = 3;
babylonLight.groundColor = new float[] { 0, 0, 0 };
break;
case MFn.Type.kAreaLight:
case MFn.Type.kVolumeLight:
RaiseError("Unsupported light type '" + mFnLight.objectProperty.apiType + "' for DAG path '" + mFnLight.fullPathName + "'. Light is ignored. Supported light types are: ambient, directional, point and spot.");
return(null);
default:
RaiseWarning("Unknown light type '" + mFnLight.objectProperty.apiType + "' for DAG path '" + mFnLight.fullPathName + "'. Light is ignored.");
return(null);
}
// TODO - Shadows
// TODO - Exclusion
// TODO - Animations
babylonScene.LightsList.Add(babylonLight);
return(babylonLight);
}
private void doScan(MItDag.TraversalType traversalType, MFn.Type filter, bool quiet)
{
MItDag dagIterator = new MItDag(traversalType, filter);
// Scan the entire DAG and output the name and depth of each node
if (traversalType == MItDag.TraversalType.kBreadthFirst)
if (!quiet)
MGlobal.displayInfo(Environment.NewLine + "Starting Breadth First scan of the Dag");
else
if (!quiet)
MGlobal.displayInfo(Environment.NewLine + "Starting Depth First scan of the Dag");
switch (filter)
{
case MFn.Type.kCamera:
if (!quiet)
MGlobal.displayInfo( ": Filtering for Cameras\n");
break;
case MFn.Type.kLight:
if (!quiet)
MGlobal.displayInfo(": Filtering for Lights\n");
break;
case MFn.Type.kNurbsSurface:
if (!quiet)
MGlobal.displayInfo(": Filtering for Nurbs Surfaces\n");
break;
default:
MGlobal.displayInfo(Environment.NewLine);
break;
}
int objectCount = 0;
for ( ; !dagIterator.isDone; dagIterator.next() ) {
MDagPath dagPath = new MDagPath();
try
{
dagIterator.getPath(dagPath);
}
catch (System.Exception )
{
continue;
}
MFnDagNode dagNode = null;
try
{
dagNode = new MFnDagNode(dagPath);
}
catch (System.Exception )
{
continue;
}
if (!quiet)
MGlobal.displayInfo(dagNode.name + ": " + dagNode.typeName + Environment.NewLine);
if (!quiet)
MGlobal.displayInfo( " dagPath: " + dagPath.fullPathName + Environment.NewLine);
objectCount += 1;
if (dagPath.hasFn(MFn.Type.kCamera))
{
MFnCamera camera = null;
try
{
camera = new MFnCamera(dagPath);
}
catch (System.Exception)
{
continue;
}
// Get the translation/rotation/scale data
//
printTransformData(dagPath, quiet);
// Extract some interesting Camera data
//
if (!quiet)
{
MGlobal.displayInfo(" eyePoint: " + MPointToString(camera.eyePoint(MSpace.Space.kWorld)) + Environment.NewLine);
MGlobal.displayInfo(" upDirection: " + MVectorToString( camera.upDirection(MSpace.Space.kWorld)) + Environment.NewLine);
MGlobal.displayInfo(" viewDirection: " + MVectorToString( camera.viewDirection(MSpace.Space.kWorld)) + Environment.NewLine);
MGlobal.displayInfo(" aspectRatio: " + Convert.ToString( camera.aspectRatio ) + Environment.NewLine);
MGlobal.displayInfo(" horizontalFilmAperture: " + Convert.ToString(camera.horizontalFilmAperture ) + Environment.NewLine);
MGlobal.displayInfo(" verticalFilmAperture: " + Convert.ToString(camera.verticalFilmAperture ) + Environment.NewLine);
}
}
else if (dagPath.hasFn(MFn.Type.kLight))
{
MFnLight light = null;
try
{
light = new MFnLight(dagPath);
}
catch (System.Exception)
{
continue;
}
// Get the translation/rotation/scale data
//
printTransformData(dagPath, quiet);
// Extract some interesting Light data
//
MColor color = light.color;
if (!quiet)
{
MGlobal.displayInfo(string.Format(" color: [%f, %f, %f]\n", color.r, color.g, color.b));
}
color = light.shadowColor;
if (!quiet)
{
MGlobal.displayInfo(string.Format(" shadowColor: [%f, %f, %f]\n", color.r, color.g, color.b));
MGlobal.displayInfo(" intensity: "+Convert.ToString(light.intensity) + Environment.NewLine);
}
}
else if (dagPath.hasFn(MFn.Type.kNurbsSurface))
{
MFnNurbsSurface surface= null;
try
{
surface = new MFnNurbsSurface(dagPath);
}
catch (System.Exception )
{
continue;
}
// Get the translation/rotation/scale data
//
printTransformData(dagPath, quiet);
// Extract some interesting Surface data
//
if (!quiet)
{
MGlobal.displayInfo(string.Format(" numCVs: %d * %s", surface.numCVsInU, surface.numCVsInV) + Environment.NewLine);
MGlobal.displayInfo(string.Format(" numKnots: %d * %s\n", surface.numKnotsInU, surface.numKnotsInV) + Environment.NewLine);
MGlobal.displayInfo(string.Format(" numSpans: %d * %s\n", surface.numSpansInU, surface.numSpansInV) + Environment.NewLine);
}
} else
{
// Get the translation/rotation/scale data
//
printTransformData(dagPath, quiet);
}
}
setResult(objectCount);
}