/// <summary>
/// Extract a material and its linked texture, if any.
/// </summary>
private static void ExtractMaterial(MayaM2Mesh mesh, MObject material)
{
var fnShader = new MFnLambertShader(material);
// Get lambert out of the shader
var strName = fnShader.name;
MGlobal.displayInfo("Detected material : " + strName + " of type " + material.apiTypeStr);
//TODO use this type
// ReSharper disable once UnusedVariable
var clrDiffuse = fnShader.color;
// ReSharper disable once UnusedVariable
var clrAmbient = fnShader.ambientColor;
if (material.hasFn(MFn.Type.kReflect))
{
var fnReflectShader = new MFnReflectShader(material);
// ReSharper disable once UnusedVariable
var clrSpec = fnReflectShader.specularColor;
}
// Look for textures at the color plug
var colorPlug = fnShader.findPlug("color");
var fileTextureIter = new MItDependencyGraph(colorPlug.node, MFn.Type.kFileTexture,
MItDependencyGraph.Direction.kUpstream, MItDependencyGraph.Traversal.kDepthFirst,
MItDependencyGraph.Level.kNodeLevel);
while (!fileTextureIter.isDone)
{
//TODO hardcoded textures
var nodeFn = new MFnDependencyNode(fileTextureIter.thisNode());
var fileNamePlug = nodeFn.findPlug("fileTextureName");
string textureFileName;
fileNamePlug.getValue(out textureFileName);
MGlobal.displayInfo("\t Texture found : " + textureFileName);
var wrapUPlug = nodeFn.findPlug("wrapU");
var wrapU = false;
wrapUPlug.getValue(ref wrapU);
var wrapVPlug = nodeFn.findPlug("wrapV");
var wrapV = false;
wrapVPlug.getValue(ref wrapV);
var tex = new MayaM2Texture
{
WrapU = wrapU,
WrapV = wrapV
};
mesh.Textures.Add(tex);
fileTextureIter.next();//maybe now the loop is fixed
}
}
private void ExportMaterial(MFnDependencyNode materialDependencyNode, BabylonScene babylonScene, bool fullPBR)
{
MObject materialObject = materialDependencyNode.objectProperty;
var name = materialDependencyNode.name;
var id = materialDependencyNode.uuid().asString();
RaiseMessage(name, 1);
RaiseMessage(materialObject.apiType.ToString(), 1);
RaiseVerbose("materialObject.hasFn(MFn.Type.kBlinn)=" + materialObject.hasFn(MFn.Type.kBlinn), 2);
RaiseVerbose("materialObject.hasFn(MFn.Type.kPhong)=" + materialObject.hasFn(MFn.Type.kPhong), 2);
RaiseVerbose("materialObject.hasFn(MFn.Type.kPhongExplorer)=" + materialObject.hasFn(MFn.Type.kPhongExplorer), 2);
Print(materialDependencyNode, 2, "Print ExportMaterial materialDependencyNode");
// Retreive Babylon Material dependency node
MFnDependencyNode babylonAttributesDependencyNode = getBabylonMaterialNode(materialDependencyNode);
// Standard material
if (materialObject.hasFn(MFn.Type.kLambert))
{
if (materialObject.hasFn(MFn.Type.kBlinn))
{
RaiseMessage("Blinn shader", 2);
}
else if (materialObject.hasFn(MFn.Type.kPhong))
{
RaiseMessage("Phong shader", 2);
}
else if (materialObject.hasFn(MFn.Type.kPhongExplorer))
{
RaiseMessage("Phong E shader", 2);
}
else
{
RaiseMessage("Lambert shader", 2);
}
var lambertShader = new MFnLambertShader(materialObject);
RaiseVerbose("typeId=" + lambertShader.typeId, 2);
RaiseVerbose("typeName=" + lambertShader.typeName, 2);
RaiseVerbose("color=" + lambertShader.color.toString(), 2);
RaiseVerbose("transparency=" + lambertShader.transparency.toString(), 2);
RaiseVerbose("ambientColor=" + lambertShader.ambientColor.toString(), 2);
RaiseVerbose("incandescence=" + lambertShader.incandescence.toString(), 2);
RaiseVerbose("diffuseCoeff=" + lambertShader.diffuseCoeff, 2);
RaiseVerbose("translucenceCoeff=" + lambertShader.translucenceCoeff, 2);
BabylonStandardMaterial babylonMaterial = new BabylonStandardMaterial(id)
{
name = name,
diffuse = lambertShader.color.toArrayRGB()
};
// User custom attributes
babylonMaterial.metadata = ExportCustomAttributeFromMaterial(babylonMaterial);
bool isTransparencyModeFromBabylonMaterialNode = false;
if (babylonAttributesDependencyNode != null)
{
// Transparency mode
if (babylonAttributesDependencyNode.hasAttribute("babylonTransparencyMode"))
{
int transparencyMode = babylonAttributesDependencyNode.findPlug("babylonTransparencyMode").asInt();
babylonMaterial.transparencyMode = transparencyMode;
isTransparencyModeFromBabylonMaterialNode = true;
}
}
// Maya ambient <=> babylon emissive
babylonMaterial.emissive = lambertShader.ambientColor.toArrayRGB();
babylonMaterial.linkEmissiveWithDiffuse = true; // Incandescence (or Illumination) is not exported
if (isTransparencyModeFromBabylonMaterialNode == false || babylonMaterial.transparencyMode != 0)
{
// If transparency is not a shade of grey (shade of grey <=> R=G=B)
if (lambertShader.transparency[0] != lambertShader.transparency[1] ||
lambertShader.transparency[0] != lambertShader.transparency[2])
{
RaiseWarning("Transparency color is not a shade of grey. Only it's R channel is used.", 2);
}
// Convert transparency to opacity
babylonMaterial.alpha = 1.0f - lambertShader.transparency[0];
}
// Specular power
if (materialObject.hasFn(MFn.Type.kReflect))
{
var reflectShader = new MFnReflectShader(materialObject);
RaiseVerbose("specularColor=" + reflectShader.specularColor.toString(), 2);
RaiseVerbose("reflectivity=" + reflectShader.reflectivity, 2);
RaiseVerbose("reflectedColor=" + reflectShader.reflectedColor.toString(), 2);
babylonMaterial.specular = reflectShader.specularColor.toArrayRGB();
if (materialObject.hasFn(MFn.Type.kBlinn))
{
MFnBlinnShader blinnShader = new MFnBlinnShader(materialObject);
babylonMaterial.specularPower = (1.0f - blinnShader.eccentricity) * 256;
}
else if (materialObject.hasFn(MFn.Type.kPhong))
{
MFnPhongShader phongShader = new MFnPhongShader(materialObject);
float glossiness = (float)Math.Log(phongShader.cosPower, 2) * 10;
babylonMaterial.specularPower = glossiness / 100 * 256;
}
else if (materialObject.hasFn(MFn.Type.kPhongExplorer))
{
MFnPhongEShader phongEShader = new MFnPhongEShader(materialObject);
// No use of phongE.whiteness and phongE.highlightSize
babylonMaterial.specularPower = (1.0f - phongEShader.roughness) * 256;
}
else
{
RaiseWarning("Unknown reflect shader type: " + reflectShader.typeName + ". Specular power is default 64. Consider using a Blinn or Phong shader instead.", 2);
}
}
// TODO
//babylonMaterial.wireframe = stdMat.Wire;
// --- Textures ---
babylonMaterial.diffuseTexture = ExportTexture(materialDependencyNode, "color", babylonScene);
babylonMaterial.emissiveTexture = ExportTexture(materialDependencyNode, "ambientColor", babylonScene); // Maya ambient <=> babylon emissive
babylonMaterial.bumpTexture = ExportTexture(materialDependencyNode, "normalCamera", babylonScene);
if (isTransparencyModeFromBabylonMaterialNode == false || babylonMaterial.transparencyMode != 0)
{
babylonMaterial.opacityTexture = ExportTexture(materialDependencyNode, "transparency", babylonScene, false, true);
}
if (materialObject.hasFn(MFn.Type.kReflect))
{
babylonMaterial.specularTexture = ExportTexture(materialDependencyNode, "specularColor", babylonScene);
babylonMaterial.reflectionTexture = ExportTexture(materialDependencyNode, "reflectedColor", babylonScene, true, false, true);
}
if (isTransparencyModeFromBabylonMaterialNode == false && (babylonMaterial.alpha != 1.0f || (babylonMaterial.diffuseTexture != null && babylonMaterial.diffuseTexture.hasAlpha) || babylonMaterial.opacityTexture != null))
{
babylonMaterial.transparencyMode = (int)BabylonPBRMetallicRoughnessMaterial.TransparencyMode.ALPHABLEND;
}
// Constraints
if (babylonMaterial.diffuseTexture != null)
{
babylonMaterial.diffuse = new[] { 1.0f, 1.0f, 1.0f };
}
if (babylonMaterial.emissiveTexture != null)
{
babylonMaterial.emissive = new float[] { 0, 0, 0 };
}
if (babylonMaterial.transparencyMode == (int)BabylonPBRMetallicRoughnessMaterial.TransparencyMode.ALPHATEST)
{
// Set the alphaCutOff value explicitely to avoid different interpretations on different engines
// Use the glTF default value rather than the babylon one
babylonMaterial.alphaCutOff = 0.5f;
}
if (babylonAttributesDependencyNode == null)
{
// Create Babylon Material dependency node
babylonStandardMaterialNode.Create(materialDependencyNode);
// Retreive Babylon Material dependency node
babylonAttributesDependencyNode = getBabylonMaterialNode(materialDependencyNode);
}
if (babylonAttributesDependencyNode != null)
{
// Ensure all attributes are setup
babylonStandardMaterialNode.Init(babylonAttributesDependencyNode, babylonMaterial);
RaiseVerbose("Babylon Attributes of " + babylonAttributesDependencyNode.name, 2);
// Common attributes
ExportCommonBabylonAttributes(babylonAttributesDependencyNode, babylonMaterial);
// Special treatment for Unlit
if (babylonMaterial.isUnlit)
{
if ((babylonMaterial.emissive != null && (babylonMaterial.emissive[0] != 0 || babylonMaterial.emissive[1] != 0 || babylonMaterial.emissive[2] != 0)) ||
(babylonMaterial.emissiveTexture != null) ||
(babylonMaterial.emissiveFresnelParameters != null))
{
RaiseWarning("Material is unlit. Emission is discarded and replaced by diffuse.", 2);
}
// Copy diffuse to emissive
babylonMaterial.emissive = babylonMaterial.diffuse;
babylonMaterial.emissiveTexture = babylonMaterial.diffuseTexture;
babylonMaterial.emissiveFresnelParameters = babylonMaterial.diffuseFresnelParameters;
babylonMaterial.disableLighting = true;
babylonMaterial.linkEmissiveWithDiffuse = false;
}
// Special treatment for "Alpha test" transparency mode
if (babylonMaterial.transparencyMode == (int)BabylonPBRMetallicRoughnessMaterial.TransparencyMode.ALPHATEST &&
((babylonMaterial.diffuseTexture != null && babylonMaterial.opacityTexture != null && babylonMaterial.diffuseTexture.originalPath != babylonMaterial.opacityTexture.originalPath) ||
(babylonMaterial.diffuseTexture == null && babylonMaterial.opacityTexture != null)))
{
// Base color and alpha files need to be merged into a single file
Color defaultColor = Color.FromArgb((int)(babylonMaterial.diffuse[0] * 255), (int)(babylonMaterial.diffuse[1] * 255), (int)(babylonMaterial.diffuse[2] * 255));
MFnDependencyNode baseColorTextureDependencyNode = getTextureDependencyNode(materialDependencyNode, "color");
MFnDependencyNode opacityTextureDependencyNode = getTextureDependencyNode(materialDependencyNode, "transparency");
babylonMaterial.diffuseTexture = ExportBaseColorAlphaTexture(baseColorTextureDependencyNode, opacityTextureDependencyNode, babylonScene, name, defaultColor, babylonMaterial.alpha);
babylonMaterial.opacityTexture = null;
babylonMaterial.alpha = 1.0f;
}
}
babylonScene.MaterialsList.Add(babylonMaterial);
}
// Stingray PBS material
else if (isStingrayPBSMaterial(materialDependencyNode))
{
RaiseMessage("Stingray shader", 2);
var babylonMaterial = new BabylonPBRMetallicRoughnessMaterial(id)
{
name = name
};
// --- Global ---
// Color3
babylonMaterial.baseColor = materialDependencyNode.findPlug("base_color").asFloatArray();
// Alpha
string opacityAttributeName = "opacity";
if (materialDependencyNode.hasAttribute(opacityAttributeName))
{
float opacityAttributeValue = materialDependencyNode.findPlug(opacityAttributeName).asFloat();
babylonMaterial.alpha = 1.0f - opacityAttributeValue;
}
// Metallic & roughness
babylonMaterial.metallic = materialDependencyNode.findPlug("metallic").asFloat();
babylonMaterial.roughness = materialDependencyNode.findPlug("roughness").asFloat();
// Emissive
float emissiveIntensity = materialDependencyNode.findPlug("emissive_intensity").asFloat();
// Factor emissive color with emissive intensity
emissiveIntensity = Tools.Clamp(emissiveIntensity, 0f, 1f);
babylonMaterial.emissive = materialDependencyNode.findPlug("emissive").asFloatArray().Multiply(emissiveIntensity);
// --- Textures ---
// Base color & alpha
bool useColorMap = materialDependencyNode.findPlug("use_color_map").asBool();
bool useOpacityMap = false;
string useOpacityMapAttributeName = "use_opacity_map";
if (materialDependencyNode.hasAttribute(useOpacityMapAttributeName))
{
useOpacityMap = materialDependencyNode.findPlug(useOpacityMapAttributeName).asBool();
}
if (materialDependencyNode.hasAttribute("mask_threshold")) // Preset "Masked"
{
if (useColorMap && useOpacityMap)
{
// Texture is assumed to be already merged
babylonMaterial.baseTexture = ExportTexture(materialDependencyNode, "TEX_color_map", babylonScene, false, true);
}
else if (useColorMap || useOpacityMap)
{
// Merge Diffuse and Mask
Color defaultColor = Color.FromArgb((int)(babylonMaterial.baseColor[0] * 255), (int)(babylonMaterial.baseColor[1] * 255), (int)(babylonMaterial.baseColor[2] * 255));
// In Maya, a Masked StingrayPBS material without opacity or mask textures is counted as being fully transparent
// Such material is visible only when the mask threshold is set to 0
float defaultOpacity = 0;
// Either use the color map
MFnDependencyNode baseColorTextureDependencyNode = null;
if (useColorMap)
{
baseColorTextureDependencyNode = getTextureDependencyNode(materialDependencyNode, "TEX_color_map");
}
// Or the opacity map
MFnDependencyNode opacityTextureDependencyNode = null;
if (useOpacityMap)
{
opacityTextureDependencyNode = getTextureDependencyNode(materialDependencyNode, "TEX_color_map");
}
// Merge default value and texture
babylonMaterial.baseTexture = ExportBaseColorAlphaTexture(baseColorTextureDependencyNode, opacityTextureDependencyNode, babylonScene, babylonMaterial.name, defaultColor, defaultOpacity);
}
else
{
// In Maya, a Masked StingrayPBS material without opacity or mask textures is counted as being fully transparent
// Such material is visible only when the mask threshold is set to 0
babylonMaterial.alpha = 0;
}
}
else
{
if (useColorMap || useOpacityMap)
{
// Force non use map to default value
// Ex: if useOpacityMap == false, force alpha = 255 for all pixels.
babylonMaterial.baseTexture = ExportTexture(materialDependencyNode, "TEX_color_map", babylonScene, false, useOpacityMap);
}
}
if (babylonMaterial.transparencyMode == (int)BabylonPBRMetallicRoughnessMaterial.TransparencyMode.ALPHATEST)
{
// Set the alphaCutOff value explicitely to avoid different interpretations on different engines
// Use the glTF default value rather than the babylon one
babylonMaterial.alphaCutOff = 0.5f;
}
// Alpha cuttoff
if (materialDependencyNode.hasAttribute("mask_threshold")) // Preset "Masked"
{
babylonMaterial.alphaCutOff = materialDependencyNode.findPlug("mask_threshold").asFloat();
}
// Metallic, roughness, ambient occlusion
bool useMetallicMap = materialDependencyNode.findPlug("use_metallic_map").asBool();
bool useRoughnessMap = materialDependencyNode.findPlug("use_roughness_map").asBool();
string useAOMapAttributeName = "use_ao_map";
bool useAOMap = materialDependencyNode.hasAttribute(useAOMapAttributeName) && materialDependencyNode.findPlug(useAOMapAttributeName).asBool();
MFnDependencyNode metallicTextureDependencyNode = useMetallicMap ? getTextureDependencyNode(materialDependencyNode, "TEX_metallic_map") : null;
MFnDependencyNode roughnessTextureDependencyNode = useRoughnessMap ? getTextureDependencyNode(materialDependencyNode, "TEX_roughness_map") : null;
MFnDependencyNode ambientOcclusionTextureDependencyNode = useAOMap ? getTextureDependencyNode(materialDependencyNode, "TEX_ao_map") : null;
// Check if MR or ORM textures are already merged
bool areTexturesAlreadyMerged = false;
if (metallicTextureDependencyNode != null && roughnessTextureDependencyNode != null)
{
string sourcePathMetallic = getSourcePathFromFileTexture(metallicTextureDependencyNode);
string sourcePathRoughness = getSourcePathFromFileTexture(roughnessTextureDependencyNode);
if (sourcePathMetallic == sourcePathRoughness)
{
if (ambientOcclusionTextureDependencyNode != null)
{
string sourcePathAmbientOcclusion = getSourcePathFromFileTexture(ambientOcclusionTextureDependencyNode);
if (sourcePathMetallic == sourcePathAmbientOcclusion)
{
// Metallic, roughness and ambient occlusion are already merged
RaiseVerbose("Metallic, roughness and ambient occlusion are already merged", 2);
BabylonTexture ormTexture = ExportTexture(metallicTextureDependencyNode, babylonScene);
babylonMaterial.metallicRoughnessTexture = ormTexture;
babylonMaterial.occlusionTexture = ormTexture;
areTexturesAlreadyMerged = true;
}
}
else
{
// Metallic and roughness are already merged
RaiseVerbose("Metallic and roughness are already merged", 2);
BabylonTexture ormTexture = ExportTexture(metallicTextureDependencyNode, babylonScene);
babylonMaterial.metallicRoughnessTexture = ormTexture;
areTexturesAlreadyMerged = true;
}
}
}
if (areTexturesAlreadyMerged == false)
{
if (metallicTextureDependencyNode != null || roughnessTextureDependencyNode != null)
{
// Merge metallic, roughness and ambient occlusion
RaiseVerbose("Merge metallic, roughness and ambient occlusion", 2);
BabylonTexture ormTexture = ExportORMTexture(babylonScene, metallicTextureDependencyNode, roughnessTextureDependencyNode, ambientOcclusionTextureDependencyNode, babylonMaterial.metallic, babylonMaterial.roughness);
babylonMaterial.metallicRoughnessTexture = ormTexture;
if (ambientOcclusionTextureDependencyNode != null)
{
babylonMaterial.occlusionTexture = ormTexture;
}
}
else if (ambientOcclusionTextureDependencyNode != null)
{
// Simply export occlusion texture
RaiseVerbose("Simply export occlusion texture", 2);
babylonMaterial.occlusionTexture = ExportTexture(ambientOcclusionTextureDependencyNode, babylonScene);
}
}
// Normal
if (materialDependencyNode.findPlug("use_normal_map").asBool())
{
babylonMaterial.normalTexture = ExportTexture(materialDependencyNode, "TEX_normal_map", babylonScene);
}
// Emissive
bool useEmissiveMap = materialDependencyNode.findPlug("use_emissive_map").asBool();
if (useEmissiveMap)
{
babylonMaterial.emissiveTexture = ExportTexture(materialDependencyNode, "TEX_emissive_map", babylonScene, false, false, false, emissiveIntensity);
}
// Constraints
if (useColorMap)
{
babylonMaterial.baseColor = new[] { 1.0f, 1.0f, 1.0f };
}
if (useOpacityMap)
{
babylonMaterial.alpha = 1.0f;
}
if (babylonMaterial.alpha != 1.0f || (babylonMaterial.baseTexture != null && babylonMaterial.baseTexture.hasAlpha))
{
if (materialDependencyNode.hasAttribute("mask_threshold"))
{
babylonMaterial.transparencyMode = (int)BabylonPBRMetallicRoughnessMaterial.TransparencyMode.ALPHATEST;
}
else
{
babylonMaterial.transparencyMode = (int)BabylonPBRMetallicRoughnessMaterial.TransparencyMode.ALPHABLEND;
}
}
if (useMetallicMap)
{
babylonMaterial.metallic = 1.0f;
}
if (useRoughnessMap)
{
babylonMaterial.roughness = 1.0f;
}
if (useEmissiveMap)
{
babylonMaterial.emissive = new[] { 1.0f, 1.0f, 1.0f };
}
// User custom attributes
babylonMaterial.metadata = ExportCustomAttributeFromMaterial(babylonMaterial);
if (babylonAttributesDependencyNode == null)
{
// Create Babylon Material dependency node
babylonStingrayPBSMaterialNode.Create(materialDependencyNode);
// Retreive Babylon Material dependency node
babylonAttributesDependencyNode = getBabylonMaterialNode(materialDependencyNode);
}
if (babylonAttributesDependencyNode != null)
{
// Ensure all attributes are setup
babylonStingrayPBSMaterialNode.Init(babylonAttributesDependencyNode, babylonMaterial);
RaiseVerbose("Babylon Attributes of " + babylonAttributesDependencyNode.name, 2);
// Common attributes
ExportCommonBabylonAttributes(babylonAttributesDependencyNode, babylonMaterial);
babylonMaterial.doubleSided = !babylonMaterial.backFaceCulling;
babylonMaterial._unlit = babylonMaterial.isUnlit;
// Update displayed Transparency mode value based on StingrayPBS preset material
MGlobal.executeCommand($"setAttr - l false {{ \"{babylonAttributesDependencyNode.name}.babylonTransparencyMode\" }}"); // Unlock attribute
int babylonTransparencyMode = 0;
if (materialDependencyNode.hasAttribute("mask_threshold"))
{
babylonTransparencyMode = 1;
}
else if (materialDependencyNode.hasAttribute("use_opacity_map"))
{
babylonTransparencyMode = 2;
}
MGlobal.executeCommand($"setAttr \"{babylonAttributesDependencyNode.name}.babylonTransparencyMode\" {babylonTransparencyMode};");
MGlobal.executeCommand($"setAttr - l true {{ \"{babylonAttributesDependencyNode.name}.babylonTransparencyMode\" }}"); // Lock it afterwards
}
babylonScene.MaterialsList.Add(babylonMaterial);
}
// Arnold Ai Standard Surface
else if (isAiStandardSurface(materialDependencyNode))
{
RaiseMessage("Ai Standard Surface shader", 2);
var babylonMaterial = new BabylonPBRMetallicRoughnessMaterial(id)
{
name = name
};
// User custom attributes
babylonMaterial.metadata = ExportCustomAttributeFromMaterial(babylonMaterial);
// --- Global ---
bool isTransparencyModeFromBabylonMaterialNode = false;
if (babylonAttributesDependencyNode != null)
{
// Transparency mode
if (babylonAttributesDependencyNode.hasAttribute("babylonTransparencyMode"))
{
babylonMaterial.transparencyMode = babylonAttributesDependencyNode.findPlug("babylonTransparencyMode").asInt();
isTransparencyModeFromBabylonMaterialNode = true;
}
}
// Color3
float baseWeight = materialDependencyNode.findPlug("base").asFloat();
float[] baseColor = materialDependencyNode.findPlug("baseColor").asFloatArray();
babylonMaterial.baseColor = baseColor.Multiply(baseWeight);
// Alpha
MaterialDuplicationData materialDuplicationData = materialDuplicationDatas[id];
// If at least one mesh is Transparent and is using this material either directly or as a sub material
if ((isTransparencyModeFromBabylonMaterialNode == false || babylonMaterial.transparencyMode != 0) && materialDuplicationData.isArnoldTransparent())
{
float[] opacityAttributeValue = materialDependencyNode.findPlug("opacity").asFloatArray();
babylonMaterial.alpha = opacityAttributeValue[0];
}
else
{
// Do not bother about alpha
babylonMaterial.alpha = 1.0f;
}
// Metallic & roughness
babylonMaterial.metallic = materialDependencyNode.findPlug("metalness").asFloat();
babylonMaterial.roughness = materialDependencyNode.findPlug("specularRoughness").asFloat();
// Emissive
float emissionWeight = materialDependencyNode.findPlug("emission").asFloat();
babylonMaterial.emissive = materialDependencyNode.findPlug("emissionColor").asFloatArray().Multiply(emissionWeight);
var list = new List <string>();
for (int i = 0; i < materialDependencyNode.attributeCount; i++)
{
var attr = materialDependencyNode.attribute((uint)i);
var plug = materialDependencyNode.findPlug(attr);
//string aliasName;
//materialDependencyNode.getPlugsAlias(plug, out aliasName);
System.Diagnostics.Debug.WriteLine(plug.name + i.ToString());
}
// --- Clear Coat ---
float coatWeight = materialDependencyNode.findPlug("coat").asFloat();
MFnDependencyNode intensityCoatTextureDependencyNode = getTextureDependencyNode(materialDependencyNode, "coat");
if (coatWeight > 0.0f || intensityCoatTextureDependencyNode != null)
{
babylonMaterial.clearCoat.isEnabled = true;
babylonMaterial.clearCoat.indexOfRefraction = materialDependencyNode.findPlug("coatIOR").asFloat();
var coatRoughness = materialDependencyNode.findPlug("coatRoughness").asFloat();
MFnDependencyNode roughnessCoatTextureDependencyNode = getTextureDependencyNode(materialDependencyNode, "coatRoughness");
var coatTexture = ExportCoatTexture(intensityCoatTextureDependencyNode, roughnessCoatTextureDependencyNode, babylonScene, name, coatWeight, coatRoughness);
if (coatTexture != null)
{
babylonMaterial.clearCoat.texture = coatTexture;
babylonMaterial.clearCoat.roughness = 1.0f;
babylonMaterial.clearCoat.intensity = 1.0f;
}
else
{
babylonMaterial.clearCoat.intensity = coatWeight;
babylonMaterial.clearCoat.roughness = coatRoughness;
}
float[] coatColor = materialDependencyNode.findPlug("coatColor").asFloatArray();
if (coatColor[0] != 1.0f || coatColor[1] != 1.0f || coatColor[2] != 1.0f)
{
babylonMaterial.clearCoat.isTintEnabled = true;
babylonMaterial.clearCoat.tintColor = coatColor;
}
babylonMaterial.clearCoat.tintTexture = ExportTexture(materialDependencyNode, "coatColor", babylonScene);
if (babylonMaterial.clearCoat.tintTexture != null)
{
babylonMaterial.clearCoat.tintColor = new[] { 1.0f, 1.0f, 1.0f };
babylonMaterial.clearCoat.isTintEnabled = true;
}
// EyeBall deduction...
babylonMaterial.clearCoat.tintThickness = 0.65f;
babylonMaterial.clearCoat.bumpTexture = ExportTexture(materialDependencyNode, "coatNormal", babylonScene);
}
// --- Textures ---
// Base color & alpha
if ((isTransparencyModeFromBabylonMaterialNode == false || babylonMaterial.transparencyMode != 0) && materialDuplicationData.isArnoldTransparent())
{
MFnDependencyNode baseColorTextureDependencyNode = getTextureDependencyNode(materialDependencyNode, "baseColor");
MFnDependencyNode opacityTextureDependencyNode = getTextureDependencyNode(materialDependencyNode, "opacity");
if (baseColorTextureDependencyNode != null && opacityTextureDependencyNode != null &&
getSourcePathFromFileTexture(baseColorTextureDependencyNode) == getSourcePathFromFileTexture(opacityTextureDependencyNode))
{
// If the same file is used for base color and opacity
// Base color and alpha are already merged into a single file
babylonMaterial.baseTexture = ExportTexture(baseColorTextureDependencyNode, babylonScene, false, true);
}
else
{
// Base color and alpha files need to be merged into a single file
Color _baseColor = Color.FromArgb((int)(baseColor[0] * 255), (int)(baseColor[1] * 255), (int)(baseColor[2] * 255));
babylonMaterial.baseTexture = ExportBaseColorAlphaTexture(baseColorTextureDependencyNode, opacityTextureDependencyNode, babylonScene, name, _baseColor, babylonMaterial.alpha);
}
}
else
{
// Base color only
// Do not bother about alpha
babylonMaterial.baseTexture = ExportTexture(materialDependencyNode, "baseColor", babylonScene);
}
// Metallic & roughness
MFnDependencyNode metallicTextureDependencyNode = getTextureDependencyNode(materialDependencyNode, "metalness");
MFnDependencyNode roughnessTextureDependencyNode = getTextureDependencyNode(materialDependencyNode, "specularRoughness");
if (metallicTextureDependencyNode != null && roughnessTextureDependencyNode != null &&
getSourcePathFromFileTexture(metallicTextureDependencyNode) == getSourcePathFromFileTexture(roughnessTextureDependencyNode))
{
// If the same file is used for metallic and roughness
// Then we assume it's an ORM file (Red=Occlusion, Green=Roughness, Blue=Metallic)
// Metallic and roughness are already merged into a single file
babylonMaterial.metallicRoughnessTexture = ExportTexture(metallicTextureDependencyNode, babylonScene);
// Use same file for Ambient occlusion
babylonMaterial.occlusionTexture = babylonMaterial.metallicRoughnessTexture;
}
else
{
// Metallic and roughness files need to be merged into a single file
// Occlusion texture is not exported since aiStandardSurface material doesn't provide input for it
babylonMaterial.metallicRoughnessTexture = ExportORMTexture(babylonScene, metallicTextureDependencyNode, roughnessTextureDependencyNode, null, babylonMaterial.metallic, babylonMaterial.roughness);
}
// Normal
babylonMaterial.normalTexture = ExportTexture(materialDependencyNode, "normalCamera", babylonScene);
// Emissive
babylonMaterial.emissiveTexture = ExportTexture(materialDependencyNode, "emissionColor", babylonScene);
// Constraints
if (babylonMaterial.baseTexture != null)
{
babylonMaterial.baseColor = new[] { baseWeight, baseWeight, baseWeight };
babylonMaterial.alpha = 1.0f;
}
if (babylonMaterial.metallicRoughnessTexture != null)
{
babylonMaterial.metallic = 1.0f;
babylonMaterial.roughness = 1.0f;
}
if (babylonMaterial.emissiveTexture != null)
{
babylonMaterial.emissive = new[] { emissionWeight, emissionWeight, emissionWeight };
}
// If this material is containing alpha data
if (babylonMaterial.alpha != 1.0f || (babylonMaterial.baseTexture != null && babylonMaterial.baseTexture.hasAlpha))
{
if (isTransparencyModeFromBabylonMaterialNode == false)
{
babylonMaterial.transparencyMode = (int)BabylonPBRMetallicRoughnessMaterial.TransparencyMode.ALPHABLEND;
}
// If this material is assigned to both Transparent and Opaque meshes (either directly or as a sub material)
if (materialDuplicationData.isDuplicationRequired())
{
// Duplicate material
BabylonPBRMetallicRoughnessMaterial babylonMaterialCloned = DuplicateMaterial(babylonMaterial, materialDuplicationData);
// Store duplicated material too
babylonScene.MaterialsList.Add(babylonMaterialCloned);
}
}
if (babylonMaterial.transparencyMode == (int)BabylonPBRMetallicRoughnessMaterial.TransparencyMode.ALPHATEST)
{
// Set the alphaCutOff value explicitely to avoid different interpretations on different engines
// Use the glTF default value rather than the babylon one
babylonMaterial.alphaCutOff = 0.5f;
}
if (babylonAttributesDependencyNode == null)
{
// Create Babylon Material dependency node
babylonAiStandardSurfaceMaterialNode.Create(materialDependencyNode);
// Retreive Babylon Material dependency node
babylonAttributesDependencyNode = getBabylonMaterialNode(materialDependencyNode);
}
if (babylonAttributesDependencyNode != null)
{
// Ensure all attributes are setup
babylonAiStandardSurfaceMaterialNode.Init(babylonAttributesDependencyNode, babylonMaterial);
RaiseVerbose("Babylon Attributes of " + babylonAttributesDependencyNode.name, 2);
// Common attributes
ExportCommonBabylonAttributes(babylonAttributesDependencyNode, babylonMaterial);
babylonMaterial.doubleSided = !babylonMaterial.backFaceCulling;
babylonMaterial._unlit = babylonMaterial.isUnlit;
}
if (fullPBR)
{
var fullPBRMaterial = new BabylonPBRMaterial(babylonMaterial);
babylonScene.MaterialsList.Add(fullPBRMaterial);
}
else
{
babylonScene.MaterialsList.Add(babylonMaterial);
}
}
else
{
RaiseWarning("Unsupported material type '" + materialObject.apiType + "' for material named '" + materialDependencyNode.name + "'", 2);
}
}
public void Load(string name)
{
List <StaticObjectVertex> vertices = GetVertices();
List <uint> indices = GetIndices();
MIntArray polygonIndexCounts = new MIntArray((uint)indices.Count / 3);
MIntArray polygonIndices = new MIntArray((uint)indices.Count);
MFloatPointArray meshVertices = new MFloatPointArray((uint)vertices.Count);
MFloatArray arrayU = new MFloatArray((uint)vertices.Count);
MFloatArray arrayV = new MFloatArray((uint)vertices.Count);
MFnMesh mesh = new MFnMesh();
MDagPath meshDagPath = new MDagPath();
MDGModifier modifier = new MDGModifier();
MFnSet set = new MFnSet();
for (int i = 0; i < indices.Count / 3; i++)
{
polygonIndexCounts[i] = 3;
}
for (int i = 0; i < indices.Count; i++)
{
polygonIndices[i] = (int)indices[i];
}
for (int i = 0; i < vertices.Count; i++)
{
StaticObjectVertex vertex = vertices[i];
meshVertices[i] = new MFloatPoint(vertex.Position.X, vertex.Position.Y, vertex.Position.Z);
arrayU[i] = vertex.UV.X;
arrayV[i] = 1 - vertex.UV.Y;
}
//Assign mesh data
mesh.create(vertices.Count, indices.Count / 3, meshVertices, polygonIndexCounts, polygonIndices, arrayU, arrayV, MObject.kNullObj);
mesh.getPath(meshDagPath);
mesh.assignUVs(polygonIndexCounts, polygonIndices);
//Set names
mesh.setName(name);
MFnTransform transformNode = new MFnTransform(mesh.parent(0));
transformNode.setName("transform_" + name);
//Get render partition
MFnPartition renderPartition = MayaHelper.FindRenderPartition();
//Create Materials
uint startIndex = 0;
for (int i = 0; i < this.Submeshes.Count; i++)
{
MFnDependencyNode dependencyNode = new MFnDependencyNode();
MFnLambertShader lambertShader = new MFnLambertShader();
StaticObjectSubmesh submesh = this.Submeshes[i];
lambertShader.create(true);
lambertShader.setName(submesh.Name);
lambertShader.color = MaterialProvider.GetMayaColor(i);
MObject shadingEngine = dependencyNode.create("shadingEngine", submesh.Name + "_SG");
MObject materialInfo = dependencyNode.create("materialInfo", submesh.Name + "_MaterialInfo");
MPlug partitionPlug = new MFnDependencyNode(shadingEngine).findPlug("partition");
MPlug setsPlug = MayaHelper.FindFirstNotConnectedElement(renderPartition.findPlug("sets"));
modifier.connect(partitionPlug, setsPlug);
MPlug outColorPlug = lambertShader.findPlug("outColor");
MPlug surfaceShaderPlug = new MFnDependencyNode(shadingEngine).findPlug("surfaceShader");
modifier.connect(outColorPlug, surfaceShaderPlug);
MPlug messagePlug = new MFnDependencyNode(shadingEngine).findPlug("message");
MPlug shadingGroupPlug = new MFnDependencyNode(materialInfo).findPlug("shadingGroup");
modifier.connect(messagePlug, shadingGroupPlug);
modifier.doIt();
MFnSingleIndexedComponent component = new MFnSingleIndexedComponent();
MObject faceComponent = component.create(MFn.Type.kMeshPolygonComponent);
MIntArray groupPolygonIndices = new MIntArray();
uint endIndex = (startIndex + (uint)submesh.Indices.Count) / 3;
for (uint j = startIndex / 3; j < endIndex; j++)
{
groupPolygonIndices.append((int)j);
}
component.addElements(groupPolygonIndices);
set.setObject(shadingEngine);
set.addMember(meshDagPath, faceComponent);
startIndex += (uint)submesh.Indices.Count;
}
mesh.updateSurface();
}
public void Load(string name, SKLFile skl = null)
{
MIntArray polygonIndexCounts = new MIntArray((uint)this.Indices.Count / 3);
MIntArray polygonIndices = new MIntArray((uint)this.Indices.Count);
MFloatPointArray vertices = new MFloatPointArray((uint)this.Vertices.Count);
MFloatArray arrayU = new MFloatArray((uint)this.Vertices.Count);
MFloatArray arrayV = new MFloatArray((uint)this.Vertices.Count);
MVectorArray normals = new MVectorArray((uint)this.Vertices.Count);
MIntArray normalIndices = new MIntArray((uint)this.Vertices.Count);
MFnMesh mesh = new MFnMesh();
MDagPath meshDagPath = new MDagPath();
MDGModifier modifier = new MDGModifier();
MFnSet set = new MFnSet();
for (int i = 0; i < this.Indices.Count / 3; i++)
{
polygonIndexCounts[i] = 3;
}
for (int i = 0; i < this.Indices.Count; i++)
{
polygonIndices[i] = this.Indices[i];
}
for (int i = 0; i < this.Vertices.Count; i++)
{
SKNVertex vertex = this.Vertices[i];
vertices[i] = new MFloatPoint(vertex.Position.X, vertex.Position.Y, vertex.Position.Z);
arrayU[i] = vertex.UV.X;
arrayV[i] = 1 - vertex.UV.Y;
normals[i] = new MVector(vertex.Normal.X, vertex.Normal.Y, vertex.Normal.Z);
normalIndices[i] = i;
}
//Assign mesh data
mesh.create(this.Vertices.Count, this.Indices.Count / 3, vertices, polygonIndexCounts, polygonIndices, arrayU, arrayV, MObject.kNullObj);
mesh.setVertexNormals(normals, normalIndices);
mesh.getPath(meshDagPath);
mesh.assignUVs(polygonIndexCounts, polygonIndices);
//Set names
mesh.setName(name);
MFnTransform transformNode = new MFnTransform(mesh.parent(0));
transformNode.setName("transform_" + name);
//Get render partition
MGlobal.displayInfo("SKNFile:Load - Searching for Render Partition");
MItDependencyNodes itDependencyNodes = new MItDependencyNodes(MFn.Type.kPartition);
MFnPartition renderPartition = new MFnPartition();
bool foundRenderPartition = false;
for (; !itDependencyNodes.isDone; itDependencyNodes.next())
{
renderPartition.setObject(itDependencyNodes.thisNode);
MGlobal.displayInfo("SKNFile:Load - Iterating through partition: " + renderPartition.name + " IsRenderPartition: " + renderPartition.isRenderPartition);
if (renderPartition.name == "renderPartition" && renderPartition.isRenderPartition)
{
MGlobal.displayInfo("SKNFile:Load - Found render partition");
foundRenderPartition = true;
break;
}
}
//Create Materials
for (int i = 0; i < this.Submeshes.Count; i++)
{
MFnDependencyNode dependencyNode = new MFnDependencyNode();
MFnLambertShader lambertShader = new MFnLambertShader();
SKNSubmesh submesh = this.Submeshes[i];
MObject shader = lambertShader.create(true);
lambertShader.setName(submesh.Name);
lambertShader.color = MaterialProvider.GetMayaColor(i);
MObject shadingEngine = dependencyNode.create("shadingEngine", submesh.Name + "_SG");
MObject materialInfo = dependencyNode.create("materialInfo", submesh.Name + "_MaterialInfo");
if (foundRenderPartition)
{
MPlug partitionPlug = new MFnDependencyNode(shadingEngine).findPlug("partition");
MPlug setsPlug = MayaHelper.FindFirstNotConnectedElement(renderPartition.findPlug("sets"));
modifier.connect(partitionPlug, setsPlug);
}
else
{
MGlobal.displayInfo("SKNFile:Load - Couldn't find Render Partition for mesh: " + name + "." + submesh.Name);
}
MPlug outColorPlug = lambertShader.findPlug("outColor");
MPlug surfaceShaderPlug = new MFnDependencyNode(shadingEngine).findPlug("surfaceShader");
modifier.connect(outColorPlug, surfaceShaderPlug);
MPlug messagePlug = new MFnDependencyNode(shadingEngine).findPlug("message");
MPlug shadingGroupPlug = new MFnDependencyNode(materialInfo).findPlug("shadingGroup");
modifier.connect(messagePlug, shadingGroupPlug);
modifier.doIt();
MFnSingleIndexedComponent component = new MFnSingleIndexedComponent();
MObject faceComponent = component.create(MFn.Type.kMeshPolygonComponent);
MIntArray groupPolygonIndices = new MIntArray();
uint endIndex = (submesh.StartIndex + submesh.IndexCount) / 3;
for (uint j = submesh.StartIndex / 3; j < endIndex; j++)
{
groupPolygonIndices.append((int)j);
}
component.addElements(groupPolygonIndices);
set.setObject(shadingEngine);
set.addMember(meshDagPath, faceComponent);
}
if (skl == null)
{
mesh.updateSurface();
}
else
{
MFnSkinCluster skinCluster = new MFnSkinCluster();
MSelectionList jointPathsSelectionList = new MSelectionList();
jointPathsSelectionList.add(meshDagPath);
for (int i = 0; i < skl.Influences.Count; i++)
{
short jointIndex = skl.Influences[i];
SKLJoint joint = skl.Joints[jointIndex];
jointPathsSelectionList.add(skl.JointDagPaths[jointIndex]);
MGlobal.displayInfo(string.Format("SKNFile:Load:Bind - Added joint [{0}] {1} to binding selection", joint.ID, joint.Name));
}
MGlobal.selectCommand(jointPathsSelectionList);
MGlobal.executeCommand("skinCluster -mi 4 -tsb -n skinCluster_" + name);
MPlug inMeshPlug = mesh.findPlug("inMesh");
MPlugArray inMeshConnections = new MPlugArray();
inMeshPlug.connectedTo(inMeshConnections, true, false);
if (inMeshConnections.length == 0)
{
MGlobal.displayError("SKNFile:Load:Bind - Failed to find the created Skin Cluster");
throw new Exception("SKNFile:Load:Bind - Failed to find the created Skin Cluster");
}
MPlug outputGeometryPlug = inMeshConnections[0];
MDagPathArray influencesDagPaths = new MDagPathArray();
skinCluster.setObject(outputGeometryPlug.node);
skinCluster.influenceObjects(influencesDagPaths);
MIntArray influenceIndices = new MIntArray((uint)skl.Influences.Count);
for (int i = 0; i < skl.Influences.Count; i++)
{
MDagPath influencePath = skl.JointDagPaths[skl.Influences[i]];
for (int j = 0; j < skl.Influences.Count; j++)
{
if (influencesDagPaths[j].partialPathName == influencePath.partialPathName)
{
influenceIndices[i] = j;
MGlobal.displayInfo("SKNReader:Load:Bind - Added Influence Joint: " + i + " -> " + j);
break;
}
}
}
MFnSingleIndexedComponent singleIndexedComponent = new MFnSingleIndexedComponent();
MObject vertexComponent = singleIndexedComponent.create(MFn.Type.kMeshVertComponent);
MIntArray groupVertexIndices = new MIntArray((uint)this.Vertices.Count);
for (int i = 0; i < this.Vertices.Count; i++)
{
groupVertexIndices[i] = i;
}
singleIndexedComponent.addElements(groupVertexIndices);
MGlobal.executeCommand(string.Format("setAttr {0}.normalizeWeights 0", skinCluster.name));
MDoubleArray weights = new MDoubleArray((uint)(this.Vertices.Count * skl.Influences.Count));
for (int i = 0; i < this.Vertices.Count; i++)
{
SKNVertex vertex = this.Vertices[i];
for (int j = 0; j < 4; j++)
{
double weight = vertex.Weights[j];
int influence = vertex.BoneIndices[j];
if (weight != 0)
{
weights[(i * skl.Influences.Count) + influence] = weight;
}
}
}
skinCluster.setWeights(meshDagPath, vertexComponent, influenceIndices, weights, false);
MGlobal.executeCommand(string.Format("setAttr {0}.normalizeWeights 1", skinCluster.name));
MGlobal.executeCommand(string.Format("skinPercent -normalize true {0} {1}", skinCluster.name, mesh.name));
mesh.updateSurface();
}
}
public Material MakeMaterial(MFnMesh fnMesh)
{
MaterialGroup matGroup = new MaterialGroup();
MObjectArray shaders = new MObjectArray();
MIntArray indices = new MIntArray();
fnMesh.getConnectedShaders(0, shaders, indices);
for (int i = 0; i < shaders.length; i++)
{
MFnDependencyNode shaderGroup = new MFnDependencyNode(shaders [i]);
MPlug shaderPlug = shaderGroup.findPlug("surfaceShader");
MPlugArray connections = new MPlugArray();
shaderPlug.connectedTo(connections, true, false);
for (int u = 0; u < connections.length; u++)
{
MFnDependencyNode depNode = new MFnDependencyNode(connections [u].node);
//MPlug colorPlug =depNode.findPlug ("color") ;
//MColor mcolor =new MColor () ;
///*MPlugArray cc =new MPlugArray () ;
//colorPlug.connectedTo (cc, true , false) ;
//if ( cc.length > 0 ) {
// // Plug is driven by an input connection.
// for ( int v =0 ; v < cc.length ; v++ ) {
// MPlug color2Plug =cc [v] ;
// Console.WriteLine (color2Plug.numChildren) ;
// color2Plug.child (0).getValue (mcolor.r) ;
// color2Plug.child (1).getValue (mcolor.g) ;
// color2Plug.child (2).getValue (mcolor.b) ;
// //color2Plug.child (3).getValue (mcolor.a) ;
// }
//} else {*/
// mcolor.r =colorPlug.child (0).asFloat () ;
// mcolor.g =colorPlug.child (1).asFloat () ;
// mcolor.b =colorPlug.child (2).asFloat () ;
// //colorPlug.child (3).getValue (mcolor.a) ;
////}
//MPlug trPlug =depNode.findPlug ("transparency") ;
//float transparency =1.0f - trPlug.child (0).asFloat () ;
////return new DiffuseMaterial (new SolidColorBrush (Color.FromScRgb (transparency, mcolor.r, mcolor.g, mcolor.b))) ;
//DiffuseMaterial diffuse =new DiffuseMaterial (new SolidColorBrush (Color.FromScRgb (transparency, mcolor.r, mcolor.g, mcolor.b))) ;
//colorPlug =depNode.findPlug ("ambientColor") ;
//mcolor.r =colorPlug.child (0).asFloat () ;
//mcolor.g =colorPlug.child (1).asFloat () ;
//mcolor.b =colorPlug.child (2).asFloat () ;
//diffuse.AmbientColor =Color.FromScRgb (transparency, mcolor.r, mcolor.g, mcolor.b) ;
//matGroup.Children.Add (diffuse) ;
//colorPlug =depNode.findPlug ("specularColor") ;
//mcolor.r =colorPlug.child (0).asFloat () ;
//mcolor.g =colorPlug.child (1).asFloat () ;
//mcolor.b =colorPlug.child (2).asFloat () ;
//MPlug powerPlug =depNode.findPlug ("cosinePower") ;
//SpecularMaterial specular =new SpecularMaterial (new SolidColorBrush (Color.FromScRgb (1.0f, mcolor.r, mcolor.g, mcolor.b)), powerPlug.asDouble ()) ;
//matGroup.Children.Add (specular) ;
//EmissiveMaterial emissive =new EmissiveMaterial () ;
//matGroup.Children.Add (emissive) ;
try {
MFnLambertShader lambert = new MFnLambertShader(connections [u].node);
SolidColorBrush brush = new SolidColorBrush(Color.FromScRgb(1.0f - lambert.transparency.r, lambert.color.r, lambert.color.g, lambert.color.b));
brush.Opacity = 1.0f - lambert.transparency.r;
DiffuseMaterial diffuse = new DiffuseMaterial(brush);
diffuse.AmbientColor = Color.FromScRgb(1.0f - lambert.ambientColor.a, lambert.ambientColor.r, lambert.ambientColor.g, lambert.ambientColor.b);
// no more attributes
matGroup.Children.Add(diffuse);
// No specular color
EmissiveMaterial emissive = new EmissiveMaterial(new SolidColorBrush(Color.FromScRgb(1.0f - lambert.incandescence.a, lambert.incandescence.r, lambert.incandescence.g, lambert.incandescence.b)));
// no more attributes
matGroup.Children.Add(emissive);
} catch {
}
//try {
// MFnReflectShader reflect =new MFnReflectShader (connections [u].node) ;
// SpecularMaterial specular =new SpecularMaterial (new SolidColorBrush (Color.FromScRgb (1.0f - reflect.specularColor.a, reflect.specularColor.r, reflect.specularColor.g, reflect.specularColor.b)), reflect.cosPower) ;
// // no more attributes
// matGroup.Children.Add (specular) ;
//} catch {
//}
try {
MFnPhongShader phong = new MFnPhongShader(connections [u].node);
//See Lambert
//SolidColorBrush brush =new SolidColorBrush (Color.FromScRgb (1.0f - phong.transparency.r, phong.color.r, phong.color.g, phong.color.b)) ;
//brush.Opacity =1.0f - phong.transparency.r ;
//DiffuseMaterial diffuse =new DiffuseMaterial (brush) ;
//diffuse.AmbientColor =Color.FromScRgb (1.0f - phong.ambientColor.a, phong.ambientColor.r, phong.ambientColor.g, phong.ambientColor.b) ;
//// no more attributes
//matGroup.Children.Add (diffuse) ;
SpecularMaterial specular = new SpecularMaterial(new SolidColorBrush(Color.FromScRgb(1.0f - phong.specularColor.a, phong.specularColor.r, phong.specularColor.g, phong.specularColor.b)), phong.cosPower);
// no more attributes
matGroup.Children.Add(specular);
//See Lambert
//EmissiveMaterial emissive =new EmissiveMaterial (new SolidColorBrush (Color.FromScRgb (1.0f - phong.incandescence.a, phong.incandescence.r, phong.incandescence.g, phong.incandescence.b))) ;
//// no more attributes
//matGroup.Children.Add (emissive) ;
} catch {
}
// todo
//try {
// MFnBlinnShader phong =new MFnBlinnShader (connections [u].node) ;
// //See Lambert
// //SolidColorBrush brush =new SolidColorBrush (Color.FromScRgb (1.0f - phong.transparency.r, phong.color.r, phong.color.g, phong.color.b)) ;
// //brush.Opacity =1.0f - phong.transparency.r ;
// //DiffuseMaterial diffuse =new DiffuseMaterial (brush) ;
// //diffuse.AmbientColor = Color.FromScRgb (1.0f - phong.ambientColor.a, phong.ambientColor.r, phong.ambientColor.g, phong.ambientColor.b) ;
// //// no more attributes
// //matGroup.Children.Add (diffuse) ;
// //See Lambert
// //EmissiveMaterial emissive =new EmissiveMaterial (new SolidColorBrush (Color.FromScRgb (1.0f - phong.incandescence.a, phong.incandescence.r, phong.incandescence.g, phong.incandescence.b))) ;
// //// no more attributes
// //matGroup.Children.Add (emissive) ;
//} catch {
//}
}
}
// Default to Blue
if (matGroup.Children.Count == 0)
{
matGroup.Children.Add(new DiffuseMaterial(new SolidColorBrush(Color.FromRgb(0, 0, 255))));
}
return(matGroup);
}
public Material MakeMaterial(MFnMesh fnMesh)
{
MaterialGroup matGroup =new MaterialGroup () ;
MObjectArray shaders =new MObjectArray() ;
MIntArray indices =new MIntArray () ;
fnMesh.getConnectedShaders (0, shaders, indices) ;
for ( int i =0 ; i < shaders.length ; i++ ) {
MFnDependencyNode shaderGroup =new MFnDependencyNode (shaders [i]) ;
MPlug shaderPlug =shaderGroup.findPlug ("surfaceShader") ;
MPlugArray connections =new MPlugArray () ;
shaderPlug.connectedTo (connections, true, false) ;
for ( int u =0 ; u < connections.length ; u++ ) {
MFnDependencyNode depNode =new MFnDependencyNode (connections [u].node) ;
//MPlug colorPlug =depNode.findPlug ("color") ;
//MColor mcolor =new MColor () ;
///*MPlugArray cc =new MPlugArray () ;
//colorPlug.connectedTo (cc, true , false) ;
//if ( cc.length > 0 ) {
// // Plug is driven by an input connection.
// for ( int v =0 ; v < cc.length ; v++ ) {
// MPlug color2Plug =cc [v] ;
// Console.WriteLine (color2Plug.numChildren) ;
// color2Plug.child (0).getValue (mcolor.r) ;
// color2Plug.child (1).getValue (mcolor.g) ;
// color2Plug.child (2).getValue (mcolor.b) ;
// //color2Plug.child (3).getValue (mcolor.a) ;
// }
//} else {*/
// mcolor.r =colorPlug.child (0).asFloat () ;
// mcolor.g =colorPlug.child (1).asFloat () ;
// mcolor.b =colorPlug.child (2).asFloat () ;
// //colorPlug.child (3).getValue (mcolor.a) ;
////}
//MPlug trPlug =depNode.findPlug ("transparency") ;
//float transparency =1.0f - trPlug.child (0).asFloat () ;
////return new DiffuseMaterial (new SolidColorBrush (Color.FromScRgb (transparency, mcolor.r, mcolor.g, mcolor.b))) ;
//DiffuseMaterial diffuse =new DiffuseMaterial (new SolidColorBrush (Color.FromScRgb (transparency, mcolor.r, mcolor.g, mcolor.b))) ;
//colorPlug =depNode.findPlug ("ambientColor") ;
//mcolor.r =colorPlug.child (0).asFloat () ;
//mcolor.g =colorPlug.child (1).asFloat () ;
//mcolor.b =colorPlug.child (2).asFloat () ;
//diffuse.AmbientColor =Color.FromScRgb (transparency, mcolor.r, mcolor.g, mcolor.b) ;
//matGroup.Children.Add (diffuse) ;
//colorPlug =depNode.findPlug ("specularColor") ;
//mcolor.r =colorPlug.child (0).asFloat () ;
//mcolor.g =colorPlug.child (1).asFloat () ;
//mcolor.b =colorPlug.child (2).asFloat () ;
//MPlug powerPlug =depNode.findPlug ("cosinePower") ;
//SpecularMaterial specular =new SpecularMaterial (new SolidColorBrush (Color.FromScRgb (1.0f, mcolor.r, mcolor.g, mcolor.b)), powerPlug.asDouble ()) ;
//matGroup.Children.Add (specular) ;
//EmissiveMaterial emissive =new EmissiveMaterial () ;
//matGroup.Children.Add (emissive) ;
try {
MFnLambertShader lambert =new MFnLambertShader (connections [u].node) ;
SolidColorBrush brush =new SolidColorBrush (Color.FromScRgb (1.0f - lambert.transparency.r, lambert.color.r, lambert.color.g, lambert.color.b)) ;
brush.Opacity =1.0f - lambert.transparency.r ;
DiffuseMaterial diffuse =new DiffuseMaterial (brush) ;
diffuse.AmbientColor =Color.FromScRgb (1.0f - lambert.ambientColor.a, lambert.ambientColor.r, lambert.ambientColor.g, lambert.ambientColor.b) ;
// no more attributes
matGroup.Children.Add (diffuse) ;
// No specular color
EmissiveMaterial emissive =new EmissiveMaterial (new SolidColorBrush (Color.FromScRgb (1.0f - lambert.incandescence.a, lambert.incandescence.r, lambert.incandescence.g, lambert.incandescence.b))) ;
// no more attributes
matGroup.Children.Add (emissive) ;
} catch {
}
//try {
// MFnReflectShader reflect =new MFnReflectShader (connections [u].node) ;
// SpecularMaterial specular =new SpecularMaterial (new SolidColorBrush (Color.FromScRgb (1.0f - reflect.specularColor.a, reflect.specularColor.r, reflect.specularColor.g, reflect.specularColor.b)), reflect.cosPower) ;
// // no more attributes
// matGroup.Children.Add (specular) ;
//} catch {
//}
try {
MFnPhongShader phong =new MFnPhongShader (connections [u].node) ;
//See Lambert
//SolidColorBrush brush =new SolidColorBrush (Color.FromScRgb (1.0f - phong.transparency.r, phong.color.r, phong.color.g, phong.color.b)) ;
//brush.Opacity =1.0f - phong.transparency.r ;
//DiffuseMaterial diffuse =new DiffuseMaterial (brush) ;
//diffuse.AmbientColor =Color.FromScRgb (1.0f - phong.ambientColor.a, phong.ambientColor.r, phong.ambientColor.g, phong.ambientColor.b) ;
//// no more attributes
//matGroup.Children.Add (diffuse) ;
SpecularMaterial specular =new SpecularMaterial (new SolidColorBrush (Color.FromScRgb (1.0f - phong.specularColor.a, phong.specularColor.r, phong.specularColor.g, phong.specularColor.b)), phong.cosPower) ;
// no more attributes
matGroup.Children.Add (specular) ;
//See Lambert
//EmissiveMaterial emissive =new EmissiveMaterial (new SolidColorBrush (Color.FromScRgb (1.0f - phong.incandescence.a, phong.incandescence.r, phong.incandescence.g, phong.incandescence.b))) ;
//// no more attributes
//matGroup.Children.Add (emissive) ;
} catch {
}
// todo
//try {
// MFnBlinnShader phong =new MFnBlinnShader (connections [u].node) ;
// //See Lambert
// //SolidColorBrush brush =new SolidColorBrush (Color.FromScRgb (1.0f - phong.transparency.r, phong.color.r, phong.color.g, phong.color.b)) ;
// //brush.Opacity =1.0f - phong.transparency.r ;
// //DiffuseMaterial diffuse =new DiffuseMaterial (brush) ;
// //diffuse.AmbientColor = Color.FromScRgb (1.0f - phong.ambientColor.a, phong.ambientColor.r, phong.ambientColor.g, phong.ambientColor.b) ;
// //// no more attributes
// //matGroup.Children.Add (diffuse) ;
// //See Lambert
// //EmissiveMaterial emissive =new EmissiveMaterial (new SolidColorBrush (Color.FromScRgb (1.0f - phong.incandescence.a, phong.incandescence.r, phong.incandescence.g, phong.incandescence.b))) ;
// //// no more attributes
// //matGroup.Children.Add (emissive) ;
//} catch {
//}
}
}
// Default to Blue
if ( matGroup.Children.Count == 0 )
matGroup.Children.Add (new DiffuseMaterial (new SolidColorBrush (Color.FromRgb (0, 0, 255)))) ;
return (matGroup) ;
}
private void ExportMaterial(MFnDependencyNode materialDependencyNode, BabylonScene babylonScene)
{
MObject materialObject = materialDependencyNode.objectProperty;
var name = materialDependencyNode.name;
var id = materialDependencyNode.uuid().asString();
RaiseMessage(name, 1);
RaiseVerbose("materialObject.hasFn(MFn.Type.kBlinn)=" + materialObject.hasFn(MFn.Type.kBlinn), 2);
RaiseVerbose("materialObject.hasFn(MFn.Type.kPhong)=" + materialObject.hasFn(MFn.Type.kPhong), 2);
RaiseVerbose("materialObject.hasFn(MFn.Type.kPhongExplorer)=" + materialObject.hasFn(MFn.Type.kPhongExplorer), 2);
Print(materialDependencyNode, 2, "Print ExportMaterial materialDependencyNode");
// Standard material
if (materialObject.hasFn(MFn.Type.kLambert))
{
if (materialObject.hasFn(MFn.Type.kBlinn))
{
RaiseMessage("Blinn shader", 2);
}
else if (materialObject.hasFn(MFn.Type.kPhong))
{
RaiseMessage("Phong shader", 2);
}
else if (materialObject.hasFn(MFn.Type.kPhongExplorer))
{
RaiseMessage("Phong E shader", 2);
}
else
{
RaiseMessage("Lambert shader", 2);
}
var lambertShader = new MFnLambertShader(materialObject);
RaiseVerbose("typeId=" + lambertShader.typeId, 2);
RaiseVerbose("typeName=" + lambertShader.typeName, 2);
RaiseVerbose("color=" + lambertShader.color.toString(), 2);
RaiseVerbose("transparency=" + lambertShader.transparency.toString(), 2);
RaiseVerbose("ambientColor=" + lambertShader.ambientColor.toString(), 2);
RaiseVerbose("incandescence=" + lambertShader.incandescence.toString(), 2);
RaiseVerbose("diffuseCoeff=" + lambertShader.diffuseCoeff, 2);
RaiseVerbose("translucenceCoeff=" + lambertShader.translucenceCoeff, 2);
var babylonMaterial = new BabylonStandardMaterial
{
name = name,
id = id,
diffuse = lambertShader.color.toArrayRGB(),
alpha = 1.0f - lambertShader.transparency[0]
};
// Maya ambient <=> babylon emissive
babylonMaterial.emissive = lambertShader.ambientColor.toArrayRGB();
babylonMaterial.linkEmissiveWithDiffuse = true; // Incandescence (or Illumination) is not exported
// If transparency is not a shade of grey (shade of grey <=> R=G=B)
if (lambertShader.transparency[0] != lambertShader.transparency[1] ||
lambertShader.transparency[0] != lambertShader.transparency[2])
{
RaiseWarning("Transparency color is not a shade of grey. Only it's R channel is used.", 2);
}
// Convert transparency to opacity
babylonMaterial.alpha = 1.0f - lambertShader.transparency[0];
// Specular power
if (materialObject.hasFn(MFn.Type.kReflect))
{
var reflectShader = new MFnReflectShader(materialObject);
RaiseVerbose("specularColor=" + reflectShader.specularColor.toString(), 2);
RaiseVerbose("reflectivity=" + reflectShader.reflectivity, 2);
RaiseVerbose("reflectedColor=" + reflectShader.reflectedColor.toString(), 2);
babylonMaterial.specular = reflectShader.specularColor.toArrayRGB();
if (materialObject.hasFn(MFn.Type.kBlinn))
{
MFnBlinnShader blinnShader = new MFnBlinnShader(materialObject);
babylonMaterial.specularPower = (1.0f - blinnShader.eccentricity) * 256;
}
else if (materialObject.hasFn(MFn.Type.kPhong))
{
MFnPhongShader phongShader = new MFnPhongShader(materialObject);
float glossiness = (float)Math.Log(phongShader.cosPower, 2) * 10;
babylonMaterial.specularPower = glossiness / 100 * 256;
}
else if (materialObject.hasFn(MFn.Type.kPhongExplorer))
{
MFnPhongEShader phongEShader = new MFnPhongEShader(materialObject);
// No use of phongE.whiteness and phongE.highlightSize
babylonMaterial.specularPower = (1.0f - phongEShader.roughness) * 256;
}
else
{
RaiseWarning("Unknown reflect shader type: " + reflectShader.typeName + ". Specular power is default 64. Consider using a Blinn or Phong shader instead.", 2);
}
}
// TODO
//babylonMaterial.backFaceCulling = !stdMat.TwoSided;
//babylonMaterial.wireframe = stdMat.Wire;
// --- Textures ---
babylonMaterial.diffuseTexture = ExportTexture(materialDependencyNode, "color", babylonScene);
babylonMaterial.emissiveTexture = ExportTexture(materialDependencyNode, "ambientColor", babylonScene); // Maya ambient <=> babylon emissive
babylonMaterial.bumpTexture = ExportTexture(materialDependencyNode, "normalCamera", babylonScene);
babylonMaterial.opacityTexture = ExportTexture(materialDependencyNode, "transparency", babylonScene, false, true);
if (materialObject.hasFn(MFn.Type.kReflect))
{
babylonMaterial.specularTexture = ExportTexture(materialDependencyNode, "specularColor", babylonScene);
babylonMaterial.reflectionTexture = ExportTexture(materialDependencyNode, "reflectedColor", babylonScene, true, false, true);
}
// Constraints
if (babylonMaterial.diffuseTexture != null)
{
babylonMaterial.diffuse = new[] { 1.0f, 1.0f, 1.0f };
}
if (babylonMaterial.emissiveTexture != null)
{
babylonMaterial.emissive = new float[] { 0, 0, 0 };
}
babylonScene.MaterialsList.Add(babylonMaterial);
}
// Stingray PBS material
else if (isStingrayPBSMaterial(materialDependencyNode))
{
RaiseMessage("Stingray shader", 2);
var babylonMaterial = new BabylonPBRMetallicRoughnessMaterial
{
name = name,
id = id
};
// --- Global ---
// Color3
babylonMaterial.baseColor = materialDependencyNode.findPlug("base_color").asFloatArray();
// Alpha
string opacityAttributeName = "opacity";
if (materialDependencyNode.hasAttribute(opacityAttributeName))
{
float opacityAttributeValue = materialDependencyNode.findPlug(opacityAttributeName).asFloatProperty;
babylonMaterial.alpha = 1.0f - opacityAttributeValue;
}
// Metallic & roughness
babylonMaterial.metallic = materialDependencyNode.findPlug("metallic").asFloatProperty;
babylonMaterial.roughness = materialDependencyNode.findPlug("roughness").asFloatProperty;
// Emissive
float emissiveIntensity = materialDependencyNode.findPlug("emissive_intensity").asFloatProperty;
// Factor emissive color with emissive intensity
emissiveIntensity = Tools.Clamp(emissiveIntensity, 0f, 1f);
babylonMaterial.emissive = materialDependencyNode.findPlug("emissive").asFloatArray().Multiply(emissiveIntensity);
// --- Textures ---
// Base color & alpha
bool useColorMap = materialDependencyNode.findPlug("use_color_map").asBoolProperty;
bool useOpacityMap = false;
string useOpacityMapAttributeName = "use_opacity_map";
if (materialDependencyNode.hasAttribute(useOpacityMapAttributeName))
{
useOpacityMap = materialDependencyNode.findPlug(useOpacityMapAttributeName).asBoolProperty;
}
if (useColorMap || useOpacityMap)
{
// TODO - Force non use map to default value ?
// Ex: if useOpacityMap == false, force alpha = 255 for all pixels.
//babylonMaterial.baseTexture = ExportBaseColorAlphaTexture(materialDependencyNode, useColorMap, useOpacityMap, babylonMaterial.baseColor, babylonMaterial.alpha, babylonScene);
babylonMaterial.baseTexture = ExportTexture(materialDependencyNode, "TEX_color_map", babylonScene, false, useOpacityMap);
}
// Metallic, roughness, ambient occlusion
bool useMetallicMap = materialDependencyNode.findPlug("use_metallic_map").asBoolProperty;
bool useRoughnessMap = materialDependencyNode.findPlug("use_roughness_map").asBoolProperty;
string useAOMapAttributeName = "use_ao_map";
bool useAOMap = materialDependencyNode.hasAttribute(useAOMapAttributeName) && materialDependencyNode.findPlug(useAOMapAttributeName).asBoolProperty;
MFnDependencyNode metallicTextureDependencyNode = useMetallicMap ? getTextureDependencyNode(materialDependencyNode, "TEX_metallic_map") : null;
MFnDependencyNode roughnessTextureDependencyNode = useRoughnessMap ? getTextureDependencyNode(materialDependencyNode, "TEX_roughness_map") : null;
MFnDependencyNode ambientOcclusionTextureDependencyNode = useAOMap ? getTextureDependencyNode(materialDependencyNode, "TEX_ao_map") : null;
// Check if MR or ORM textures are already merged
bool areTexturesAlreadyMerged = false;
if (metallicTextureDependencyNode != null && roughnessTextureDependencyNode != null)
{
string sourcePathMetallic = getSourcePathFromFileTexture(metallicTextureDependencyNode);
string sourcePathRoughness = getSourcePathFromFileTexture(roughnessTextureDependencyNode);
if (sourcePathMetallic == sourcePathRoughness)
{
if (ambientOcclusionTextureDependencyNode != null)
{
string sourcePathAmbientOcclusion = getSourcePathFromFileTexture(ambientOcclusionTextureDependencyNode);
if (sourcePathMetallic == sourcePathAmbientOcclusion)
{
// Metallic, roughness and ambient occlusion are already merged
RaiseVerbose("Metallic, roughness and ambient occlusion are already merged", 2);
BabylonTexture ormTexture = ExportTexture(metallicTextureDependencyNode, babylonScene);
babylonMaterial.metallicRoughnessTexture = ormTexture;
babylonMaterial.occlusionTexture = ormTexture;
areTexturesAlreadyMerged = true;
}
}
else
{
// Metallic and roughness are already merged
RaiseVerbose("Metallic and roughness are already merged", 2);
BabylonTexture ormTexture = ExportTexture(metallicTextureDependencyNode, babylonScene);
babylonMaterial.metallicRoughnessTexture = ormTexture;
areTexturesAlreadyMerged = true;
}
}
}
if (areTexturesAlreadyMerged == false)
{
if (metallicTextureDependencyNode != null || roughnessTextureDependencyNode != null)
{
// Merge metallic, roughness and ambient occlusion
RaiseVerbose("Merge metallic, roughness and ambient occlusion", 2);
BabylonTexture ormTexture = ExportORMTexture(babylonScene, metallicTextureDependencyNode, roughnessTextureDependencyNode, ambientOcclusionTextureDependencyNode, babylonMaterial.metallic, babylonMaterial.roughness);
babylonMaterial.metallicRoughnessTexture = ormTexture;
if (ambientOcclusionTextureDependencyNode != null)
{
babylonMaterial.occlusionTexture = ormTexture;
}
}
else if (ambientOcclusionTextureDependencyNode != null)
{
// Simply export occlusion texture
RaiseVerbose("Simply export occlusion texture", 2);
babylonMaterial.occlusionTexture = ExportTexture(ambientOcclusionTextureDependencyNode, babylonScene);
}
}
// Normal
if (materialDependencyNode.findPlug("use_normal_map").asBoolProperty)
{
babylonMaterial.normalTexture = ExportTexture(materialDependencyNode, "TEX_normal_map", babylonScene);
}
// Emissive
bool useEmissiveMap = materialDependencyNode.findPlug("use_emissive_map").asBoolProperty;
if (useEmissiveMap)
{
babylonMaterial.emissiveTexture = ExportTexture(materialDependencyNode, "TEX_emissive_map", babylonScene, false, false, false, emissiveIntensity);
}
// Constraints
if (useColorMap)
{
babylonMaterial.baseColor = new[] { 1.0f, 1.0f, 1.0f };
}
if (useOpacityMap)
{
babylonMaterial.alpha = 1.0f;
}
if (babylonMaterial.alpha != 1.0f || (babylonMaterial.baseTexture != null && babylonMaterial.baseTexture.hasAlpha))
{
babylonMaterial.transparencyMode = (int)BabylonPBRMetallicRoughnessMaterial.TransparencyMode.ALPHABLEND;
}
if (useMetallicMap)
{
babylonMaterial.metallic = 1.0f;
}
if (useRoughnessMap)
{
babylonMaterial.roughness = 1.0f;
}
if (useEmissiveMap)
{
babylonMaterial.emissive = new[] { 1.0f, 1.0f, 1.0f };
}
babylonScene.MaterialsList.Add(babylonMaterial);
}
// Arnold Ai Standard Surface
else if (isAiStandardSurface(materialDependencyNode))
{
RaiseMessage("Ai Standard Surface shader", 2);
var babylonMaterial = new BabylonPBRMetallicRoughnessMaterial
{
name = name,
id = id
};
// --- Global ---
// Color3
float baseWeight = materialDependencyNode.findPlug("base").asFloatProperty;
float[] baseColor = materialDependencyNode.findPlug("baseColor").asFloatArray();
babylonMaterial.baseColor = baseColor.Multiply(baseWeight);
// Alpha
MaterialDuplicationData materialDuplicationData = materialDuplicationDatas[id];
// If at least one mesh is Transparent and is using this material either directly or as a sub material
if (materialDuplicationData.isArnoldTransparent())
{
float[] opacityAttributeValue = materialDependencyNode.findPlug("opacity").asFloatArray();
babylonMaterial.alpha = opacityAttributeValue[0];
}
else
{
// Do not bother about alpha
babylonMaterial.alpha = 1.0f;
}
// Metallic & roughness
babylonMaterial.metallic = materialDependencyNode.findPlug("metalness").asFloatProperty;
babylonMaterial.roughness = materialDependencyNode.findPlug("specularRoughness").asFloatProperty;
// Emissive
float emissionWeight = materialDependencyNode.findPlug("emission").asFloatProperty;
babylonMaterial.emissive = materialDependencyNode.findPlug("emissionColor").asFloatArray().Multiply(emissionWeight);
// --- Textures ---
// Base color & alpha
if (materialDuplicationData.isArnoldTransparent())
{
MFnDependencyNode baseColorTextureDependencyNode = getTextureDependencyNode(materialDependencyNode, "baseColor");
MFnDependencyNode opacityTextureDependencyNode = getTextureDependencyNode(materialDependencyNode, "opacity");
if (baseColorTextureDependencyNode != null && opacityTextureDependencyNode != null &&
getSourcePathFromFileTexture(baseColorTextureDependencyNode) == getSourcePathFromFileTexture(opacityTextureDependencyNode))
{
// If the same file is used for base color and opacity
// Base color and alpha are already merged into a single file
babylonMaterial.baseTexture = ExportTexture(baseColorTextureDependencyNode, babylonScene, false, true);
}
else
{
// Base color and alpha files need to be merged into a single file
Color _baseColor = Color.FromArgb((int)baseColor[0] * 255, (int)baseColor[1] * 255, (int)baseColor[2] * 255);
babylonMaterial.baseTexture = ExportBaseColorAlphaTexture(baseColorTextureDependencyNode, opacityTextureDependencyNode, babylonScene, name, _baseColor, babylonMaterial.alpha);
}
}
else
{
// Base color only
// Do not bother about alpha
babylonMaterial.baseTexture = ExportTexture(materialDependencyNode, "baseColor", babylonScene);
}
// Metallic & roughness
MFnDependencyNode metallicTextureDependencyNode = getTextureDependencyNode(materialDependencyNode, "metalness");
MFnDependencyNode roughnessTextureDependencyNode = getTextureDependencyNode(materialDependencyNode, "specularRoughness");
if (metallicTextureDependencyNode != null && roughnessTextureDependencyNode != null &&
getSourcePathFromFileTexture(metallicTextureDependencyNode) == getSourcePathFromFileTexture(roughnessTextureDependencyNode))
{
// If the same file is used for metallic and roughness
// Then we assume it's an ORM file (Red=Occlusion, Green=Roughness, Blue=Metallic)
// Metallic and roughness are already merged into a single file
babylonMaterial.metallicRoughnessTexture = ExportTexture(metallicTextureDependencyNode, babylonScene);
// Use same file for Ambient occlusion
babylonMaterial.occlusionTexture = babylonMaterial.metallicRoughnessTexture;
}
else
{
// Metallic and roughness files need to be merged into a single file
// Occlusion texture is not exported since aiStandardSurface material doesn't provide input for it
babylonMaterial.metallicRoughnessTexture = ExportORMTexture(babylonScene, metallicTextureDependencyNode, roughnessTextureDependencyNode, null, babylonMaterial.metallic, babylonMaterial.roughness);
}
// Normal
babylonMaterial.normalTexture = ExportTexture(materialDependencyNode, "normalCamera", babylonScene);
// Emissive
babylonMaterial.emissiveTexture = ExportTexture(materialDependencyNode, "emissionColor", babylonScene);
// Constraints
if (babylonMaterial.baseTexture != null)
{
babylonMaterial.baseColor = new[] { baseWeight, baseWeight, baseWeight };
babylonMaterial.alpha = 1.0f;
}
if (babylonMaterial.metallicRoughnessTexture != null)
{
babylonMaterial.metallic = 1.0f;
babylonMaterial.roughness = 1.0f;
}
if (babylonMaterial.emissiveTexture != null)
{
babylonMaterial.emissive = new[] { emissionWeight, emissionWeight, emissionWeight };
}
// If this material is containing alpha data
if (babylonMaterial.alpha != 1.0f || (babylonMaterial.baseTexture != null && babylonMaterial.baseTexture.hasAlpha))
{
babylonMaterial.transparencyMode = (int)BabylonPBRMetallicRoughnessMaterial.TransparencyMode.ALPHABLEND;
// If this material is assigned to both Transparent and Opaque meshes (either directly or as a sub material)
if (materialDuplicationData.isDuplicationRequired())
{
// Duplicate material
BabylonPBRMetallicRoughnessMaterial babylonMaterialCloned = DuplicateMaterial(babylonMaterial, materialDuplicationData);
// Store duplicated material too
babylonScene.MaterialsList.Add(babylonMaterialCloned);
}
}
babylonScene.MaterialsList.Add(babylonMaterial);
}
else
{
RaiseWarning("Unsupported material type '" + materialObject.apiType + "' for material named '" + materialDependencyNode.name + "'", 2);
}
}
private void ExportMaterial(MFnDependencyNode materialDependencyNode, BabylonScene babylonScene)
{
MObject materialObject = materialDependencyNode.objectProperty;
var name = materialDependencyNode.name;
var id = materialDependencyNode.uuid().asString();
RaiseMessage(name, 1);
RaiseVerbose("materialObject.hasFn(MFn.Type.kBlinn)=" + materialObject.hasFn(MFn.Type.kBlinn), 2);
RaiseVerbose("materialObject.hasFn(MFn.Type.kPhong)=" + materialObject.hasFn(MFn.Type.kPhong), 2);
RaiseVerbose("materialObject.hasFn(MFn.Type.kPhongExplorer)=" + materialObject.hasFn(MFn.Type.kPhongExplorer), 2);
Print(materialDependencyNode, 2, "Print ExportMaterial materialDependencyNode");
// Standard material
if (materialObject.hasFn(MFn.Type.kLambert))
{
RaiseMessage("Lambert shader", 2);
var lambertShader = new MFnLambertShader(materialObject);
RaiseVerbose("typeId=" + lambertShader.typeId, 2);
RaiseVerbose("typeName=" + lambertShader.typeName, 2);
RaiseVerbose("color=" + lambertShader.color.toString(), 2);
RaiseVerbose("transparency=" + lambertShader.transparency.toString(), 2);
RaiseVerbose("ambientColor=" + lambertShader.ambientColor.toString(), 2);
RaiseVerbose("incandescence=" + lambertShader.incandescence.toString(), 2);
RaiseVerbose("diffuseCoeff=" + lambertShader.diffuseCoeff, 2);
RaiseVerbose("translucenceCoeff=" + lambertShader.translucenceCoeff, 2);
var babylonMaterial = new BabylonStandardMaterial
{
name = name,
id = id,
ambient = lambertShader.ambientColor.toArrayRGB(),
diffuse = lambertShader.color.toArrayRGB(),
emissive = lambertShader.incandescence.toArrayRGB(),
alpha = 1.0f - lambertShader.transparency[0]
};
// If transparency is not a shade of grey (shade of grey <=> R=G=B)
if (lambertShader.transparency[0] != lambertShader.transparency[1] ||
lambertShader.transparency[0] != lambertShader.transparency[2])
{
RaiseWarning("Transparency color is not a shade of grey. Only it's R channel is used.", 2);
}
// Convert transparency to opacity
babylonMaterial.alpha = 1.0f - lambertShader.transparency[0];
// Specular power
if (materialObject.hasFn(MFn.Type.kReflect))
{
var reflectShader = new MFnReflectShader(materialObject);
RaiseVerbose("specularColor=" + reflectShader.specularColor.toString(), 2);
RaiseVerbose("reflectivity=" + reflectShader.reflectivity, 2);
RaiseVerbose("reflectedColor=" + reflectShader.reflectedColor.toString(), 2);
babylonMaterial.specular = reflectShader.specularColor.toArrayRGB();
if (materialObject.hasFn(MFn.Type.kBlinn))
{
MFnBlinnShader blinnShader = new MFnBlinnShader(materialObject);
babylonMaterial.specularPower = (1.0f - blinnShader.eccentricity) * 256;
}
else if (materialObject.hasFn(MFn.Type.kPhong))
{
MFnPhongShader phongShader = new MFnPhongShader(materialObject);
float glossiness = (float)Math.Log(phongShader.cosPower, 2) * 10;
babylonMaterial.specularPower = glossiness / 100 * 256;
}
else if (materialObject.hasFn(MFn.Type.kPhongExplorer))
{
MFnPhongEShader phongEShader = new MFnPhongEShader(materialObject);
// No use of phongE.whiteness and phongE.highlightSize
babylonMaterial.specularPower = (1.0f - phongEShader.roughness) * 256;
}
else
{
RaiseWarning("Unknown reflect shader type: " + reflectShader.typeName + ". Specular power is default 64. Consider using a Blinn or Phong shader instead.", 2);
}
}
// TODO
//babylonMaterial.backFaceCulling = !stdMat.TwoSided;
//babylonMaterial.wireframe = stdMat.Wire;
// Textures
babylonMaterial.diffuseTexture = ExportTexture(materialDependencyNode, "color", babylonScene);
babylonMaterial.ambientTexture = ExportTexture(materialDependencyNode, "ambientColor", babylonScene);
babylonMaterial.emissiveTexture = ExportTexture(materialDependencyNode, "incandescence", babylonScene);
babylonMaterial.bumpTexture = ExportTexture(materialDependencyNode, "normalCamera", babylonScene);
// TODO - Convert transparency to opacity?
babylonMaterial.opacityTexture = ExportTexture(materialDependencyNode, "transparency", babylonScene, false, true);
if (materialObject.hasFn(MFn.Type.kReflect))
{
babylonMaterial.specularTexture = ExportTexture(materialDependencyNode, "specularColor", babylonScene);
babylonMaterial.reflectionTexture = ExportTexture(materialDependencyNode, "reflectedColor", babylonScene, true, false, true);
}
// Constraints
if (babylonMaterial.diffuseTexture != null)
{
babylonMaterial.diffuse = new[] { 1.0f, 1.0f, 1.0f };
}
if (babylonMaterial.emissiveTexture != null)
{
babylonMaterial.emissive = new float[] { 0, 0, 0 };
}
babylonScene.MaterialsList.Add(babylonMaterial);
}
// PBR material
else if (isPBRMaterial(materialDependencyNode))
{
RaiseMessage("Stingray shader", 2);
var babylonMaterial = new BabylonPBRMetallicRoughnessMaterial
{
name = name,
id = id
};
// --- Global ---
// Color3
babylonMaterial.baseColor = materialDependencyNode.findPlug("base_color").asFloatArray();
// Alpha
string opacityAttributeName = "opacity";
if (materialDependencyNode.hasAttribute(opacityAttributeName))
{
float opacityAttributeValue = materialDependencyNode.findPlug(opacityAttributeName).asFloatProperty;
babylonMaterial.alpha = 1.0f - opacityAttributeValue;
}
// Metallic & roughness
babylonMaterial.metallic = materialDependencyNode.findPlug("metallic").asFloatProperty;
babylonMaterial.roughness = materialDependencyNode.findPlug("roughness").asFloatProperty;
// Emissive
float emissiveIntensity = materialDependencyNode.findPlug("emissive_intensity").asFloatProperty;
// Factor emissive color with emissive intensity
emissiveIntensity = Tools.Clamp(emissiveIntensity, 0f, 1f);
babylonMaterial.emissive = materialDependencyNode.findPlug("emissive").asFloatArray();
for (int i = 0; i < babylonMaterial.emissive.Length; i++)
{
babylonMaterial.emissive[i] *= emissiveIntensity;
}
// --- Textures ---
// Base color & alpha
bool useColorMap = materialDependencyNode.findPlug("use_color_map").asBoolProperty;
bool useOpacityMap = false;
string useOpacityMapAttributeName = "use_opacity_map";
if (materialDependencyNode.hasAttribute(useOpacityMapAttributeName))
{
useOpacityMap = materialDependencyNode.findPlug(useOpacityMapAttributeName).asBoolProperty;
}
if (useColorMap || useOpacityMap)
{
// TODO - Force non use map to default value ?
// Ex: if useOpacityMap == false, force alpha = 255 for all pixels.
//babylonMaterial.baseTexture = ExportBaseColorAlphaTexture(materialDependencyNode, useColorMap, useOpacityMap, babylonMaterial.baseColor, babylonMaterial.alpha, babylonScene);
babylonMaterial.baseTexture = ExportTexture(materialDependencyNode, "TEX_color_map", babylonScene, false, useOpacityMap);
}
// Metallic & roughness
bool useMetallicMap = materialDependencyNode.findPlug("use_metallic_map").asBoolProperty;
bool useRoughnessMap = materialDependencyNode.findPlug("use_roughness_map").asBoolProperty;
babylonMaterial.metallicRoughnessTexture = ExportMetallicRoughnessTexture(materialDependencyNode, useMetallicMap, useRoughnessMap, babylonScene, name);
if (materialDependencyNode.findPlug("use_normal_map").asBoolProperty)
{
babylonMaterial.normalTexture = ExportTexture(materialDependencyNode, "TEX_normal_map", babylonScene);
}
// Emissive
bool useEmissiveMap = materialDependencyNode.findPlug("use_emissive_map").asBoolProperty;
if (useEmissiveMap)
{
babylonMaterial.emissiveTexture = ExportTexture(materialDependencyNode, "TEX_emissive_map", babylonScene, false, false, false, emissiveIntensity);
}
// Ambient occlusion
string useAOMapAttributeName = "use_ao_map";
if (materialDependencyNode.hasAttribute(useAOMapAttributeName) && materialDependencyNode.findPlug(useAOMapAttributeName).asBoolProperty)
{
babylonMaterial.occlusionTexture = ExportTexture(materialDependencyNode, "TEX_ao_map", babylonScene);
}
// Constraints
if (useColorMap)
{
babylonMaterial.baseColor = new[] { 1.0f, 1.0f, 1.0f };
}
if (useOpacityMap)
{
babylonMaterial.alpha = 1.0f;
}
if (babylonMaterial.alpha != 1.0f || (babylonMaterial.baseTexture != null && babylonMaterial.baseTexture.hasAlpha))
{
babylonMaterial.transparencyMode = (int)BabylonPBRMetallicRoughnessMaterial.TransparencyMode.ALPHABLEND;
}
if (useMetallicMap)
{
babylonMaterial.metallic = 1.0f;
}
if (useRoughnessMap)
{
babylonMaterial.roughness = 1.0f;
}
if (useEmissiveMap)
{
babylonMaterial.emissive = new[] { 1.0f, 1.0f, 1.0f };
}
babylonScene.MaterialsList.Add(babylonMaterial);
}
else
{
RaiseWarning("Unsupported material type '" + materialObject.apiType + "' for material named '" + materialDependencyNode.name + "'", 2);
}
}
