/// <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);
}
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 {
}
}
}
private void buildLightNodes()
{
MItDependencyNodes it = new MItDependencyNodes(MFn.Type.kLight);
while( !it.isDone )
{
MObject mayaObj = it.thisNode;
if( shouldPruneLight(mayaObj) )
{
it.next();
continue;
}
// Create a new light and add it to the all lights list.
MayaLight light = new MayaLight();
allLights.Add(light);
light.id = allLights.Count - 1;
// Get the dag node of the light for its name and parent.
MFnDagNode dagNode = new MFnDagNode(mayaObj);
dagNode.getPath(light.mayaObjectPath);
light.name = dagNode.fullPathName;
// First parent is the source transform node.
light.sourceXform = pathXformMap[(new MFnDagNode(dagNode.parent(0))).fullPathName];
// Add the light to the dictionary to search by name.
pathLightMap[light.name] = light;
//
// NOTE: Parent transforms of light sources in Maya can NOT be frozen,
// so accessing them is guaranteed to not be frozen.
//
if( mayaObj.hasFn(MFn.Type.kAmbientLight) )
{
MFnAmbientLight mayaLight = new MFnAmbientLight(mayaObj);
light.type = MayaLight.Type.kAmbient;
light.color = new Color(mayaLight.color.r, mayaLight.color.g, mayaLight.color.b, mayaLight.color.a);
light.intensity = mayaLight.intensity;
}
else if( mayaObj.hasFn(MFn.Type.kDirectionalLight) )
{
MFnDirectionalLight mayaLight = new MFnDirectionalLight(mayaObj);
light.type = MayaLight.Type.kDirectional;
light.color = new Color(mayaLight.color.r, mayaLight.color.g, mayaLight.color.b, mayaLight.color.a);
light.intensity = mayaLight.intensity;
}
else if( mayaObj.hasFn(MFn.Type.kPointLight) )
{
MFnPointLight mayaLight = new MFnPointLight(mayaObj);
light.type = MayaLight.Type.kPoint;
light.color = new Color(mayaLight.color.r, mayaLight.color.g, mayaLight.color.b, mayaLight.color.a);
light.intensity = mayaLight.intensity;
light.range = (float)mayaLight.centerOfIllumination;
}
else if( mayaObj.hasFn(MFn.Type.kSpotLight) )
{
MFnSpotLight mayaLight = new MFnSpotLight(mayaObj);
light.type = MayaLight.Type.kSpot;
light.color = new Color(mayaLight.color.r, mayaLight.color.g, mayaLight.color.b, mayaLight.color.a);
light.intensity = mayaLight.intensity;
light.range = (float)mayaLight.centerOfIllumination;
float mayaConeAngle = (float)(mayaLight.coneAngle * 0.5);
light.coneInnerAngle = 57.29578f * mayaConeAngle;
light.coneOuterAngle = 57.29578f * (mayaConeAngle + Math.Abs((float)mayaLight.penumbraAngle));
}
it.next();
}
}
/// <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 buildLightNodes()
{
MItDependencyNodes it = new MItDependencyNodes(MFn.Type.kLight);
while (!it.isDone)
{
MObject mayaObj = it.thisNode;
if (shouldPruneLight(mayaObj))
{
it.next();
continue;
}
// Create a new light and add it to the all lights list.
MayaLight light = new MayaLight();
allLights.Add(light);
light.id = allLights.Count - 1;
// Get the dag node of the light for its name and parent.
MFnDagNode dagNode = new MFnDagNode(mayaObj);
dagNode.getPath(light.mayaObjectPath);
light.name = dagNode.fullPathName;
// First parent is the source transform node.
light.sourceXform = pathXformMap[(new MFnDagNode(dagNode.parent(0))).fullPathName];
// Add the light to the dictionary to search by name.
pathLightMap[light.name] = light;
//
// NOTE: Parent transforms of light sources in Maya can NOT be frozen,
// so accessing them is guaranteed to not be frozen.
//
if (mayaObj.hasFn(MFn.Type.kAmbientLight))
{
MFnAmbientLight mayaLight = new MFnAmbientLight(mayaObj);
light.type = MayaLight.Type.kAmbient;
light.color = new Color(mayaLight.color.r, mayaLight.color.g, mayaLight.color.b, mayaLight.color.a);
light.intensity = mayaLight.intensity;
}
else if (mayaObj.hasFn(MFn.Type.kDirectionalLight))
{
MFnDirectionalLight mayaLight = new MFnDirectionalLight(mayaObj);
light.type = MayaLight.Type.kDirectional;
light.color = new Color(mayaLight.color.r, mayaLight.color.g, mayaLight.color.b, mayaLight.color.a);
light.intensity = mayaLight.intensity;
}
else if (mayaObj.hasFn(MFn.Type.kPointLight))
{
MFnPointLight mayaLight = new MFnPointLight(mayaObj);
light.type = MayaLight.Type.kPoint;
light.color = new Color(mayaLight.color.r, mayaLight.color.g, mayaLight.color.b, mayaLight.color.a);
light.intensity = mayaLight.intensity;
light.range = (float)mayaLight.centerOfIllumination;
}
else if (mayaObj.hasFn(MFn.Type.kSpotLight))
{
MFnSpotLight mayaLight = new MFnSpotLight(mayaObj);
light.type = MayaLight.Type.kSpot;
light.color = new Color(mayaLight.color.r, mayaLight.color.g, mayaLight.color.b, mayaLight.color.a);
light.intensity = mayaLight.intensity;
light.range = (float)mayaLight.centerOfIllumination;
float mayaConeAngle = (float)(mayaLight.coneAngle * 0.5);
light.coneInnerAngle = 57.29578f * mayaConeAngle;
light.coneOuterAngle = 57.29578f * (mayaConeAngle + Math.Abs((float)mayaLight.penumbraAngle));
}
it.next();
}
}
