private static List <Material> GetMaterialsMesh(ref MFnMesh Mesh, ref MDagPath Path)
{
// Get materials for this mesh
var Result = new List <Material>();
// Fetch data
var Shaders = new MObjectArray();
var ShaderIndices = new MIntArray();
Mesh.getConnectedShaders(Path.instanceNumber, Shaders, ShaderIndices);
// Iterate and add
for (int i = 0; i < (int)Shaders.length; i++)
{
// Find plug
var ShaderNode = new MFnDependencyNode(Shaders[i]);
var ShaderPlug = ShaderNode.findPlug("surfaceShader");
var MatPlug = new MPlugArray();
ShaderPlug.connectedTo(MatPlug, true, false);
if (MatPlug.length > 0)
{
Result.Add(new Material(CleanNodeName(new MFnDependencyNode(MatPlug[0].node).name)));
}
}
return(Result);
}
public MayaMeshData(MFnMesh mesh)
{
this.Mesh = mesh;
this.Instance = mesh.dagPath.isInstanced ? mesh.dagPath.instanceNumber : 0;
mesh.getConnectedShaders(this.Instance, this.Shaders, this.ShaderIndices);
mesh.getPoints(this.VertexArray, MSpace.Space.kWorld);
mesh.getUVs(this.UArray, this.VArray);
mesh.getAssignedUVs(this.UVCounts, this.UVIds);
mesh.getTriangles(this.TriangleCounts, this.TriangleVertices);
mesh.getVertexNormals(false, this.Normals);
}
/// <summary>
/// Extract all shaders (M2Batch) linked to a mesh.
/// </summary>
private static void ExtractMeshShaders(MayaM2Mesh mesh, MDagPath meshPath)
{
MGlobal.displayInfo("Looking for shaders in mesh " + meshPath.fullPathName);
var meshFn = new MFnMesh(meshPath);
// get the number of instances
var numInstances = meshFn.parentCount;
MGlobal.displayInfo("\t" + numInstances + " instances.");
// loop through each instance of the mesh
for (uint i = 0; i < numInstances; ++i)
{
// attach a function set to this instances parent transform
//var fn = new MFnDependencyNode(fnMesh.parent(i));
// this will hold references to the shaders used on the meshes
var shaderEngines = new MObjectArray();
// this is used to hold indices to the materials returned in the object array
var faceIndices = new MIntArray();
// get the shaders used by the i'th mesh instance
meshFn.getConnectedShaders(i, shaderEngines, faceIndices);
switch (shaderEngines.length)
{
// if no shader applied to the mesh instance
case 0:
break;
// if all faces use the same material
case 1:
var materials = GetMaterials(shaderEngines[0]);
MGlobal.displayInfo("\t\tIn shaderEngine[0], found " + materials.length + " materials.");
//TODO Extract Material data
ExtractMaterial(mesh, materials[0]);
//TODO Extract Transparency data
//TODO Shader
break;
//Multiple materials, each applied only on some faces.
default:
throw new NotImplementedException("Cannot handle more than one shaderEngine per mesh.");
}
}
}
/// <summary>
///
/// </summary>
/// <param name="mDagPath">DAG path to the transform above mesh</param>
/// <param name="babylonScene"></param>
/// <returns></returns>
private BabylonNode ExportMesh(MDagPath mDagPath, BabylonScene babylonScene)
{
RaiseMessage(mDagPath.partialPathName, 1);
// Transform above mesh
MFnTransform mFnTransform = new MFnTransform(mDagPath);
// Mesh direct child of the transform
MFnMesh mFnMesh = null;
for (uint i = 0; i < mFnTransform.childCount; i++)
{
MObject childObject = mFnTransform.child(i);
if (childObject.apiType == MFn.Type.kMesh)
{
var _mFnMesh = new MFnMesh(childObject);
if (!_mFnMesh.isIntermediateObject)
{
mFnMesh = _mFnMesh;
}
}
}
if (mFnMesh == null)
{
RaiseError("No mesh found has child of " + mDagPath.fullPathName);
return(null);
}
RaiseMessage("mFnMesh.fullPathName=" + mFnMesh.fullPathName, 2);
// --- prints ---
#region prints
Action <MFnDagNode> printMFnDagNode = (MFnDagNode mFnDagNode) =>
{
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.name=" + mFnDagNode.name, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.absoluteName=" + mFnDagNode.absoluteName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.fullPathName=" + mFnDagNode.fullPathName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.partialPathName=" + mFnDagNode.partialPathName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.activeColor=" + mFnDagNode.activeColor.toString(), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.attributeCount=" + mFnDagNode.attributeCount, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.childCount=" + mFnDagNode.childCount, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.dormantColor=" + mFnDagNode.dormantColor, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.hasUniqueName=" + mFnDagNode.hasUniqueName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.inUnderWorld=" + mFnDagNode.inUnderWorld, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isDefaultNode=" + mFnDagNode.isDefaultNode, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isInstanceable=" + mFnDagNode.isInstanceable, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isInstanced(true)=" + mFnDagNode.isInstanced(true), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isInstanced(false)=" + mFnDagNode.isInstanced(false), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isInstanced()=" + mFnDagNode.isInstanced(), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.instanceCount(true)=" + mFnDagNode.instanceCount(true), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.instanceCount(false)=" + mFnDagNode.instanceCount(false), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isIntermediateObject=" + mFnDagNode.isIntermediateObject, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isShared=" + mFnDagNode.isShared, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.objectColor=" + mFnDagNode.objectColor, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.parentCount=" + mFnDagNode.parentCount, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.parentNamespace=" + mFnDagNode.parentNamespace, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.uuid().asString()=" + mFnDagNode.uuid().asString(), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.dagRoot().apiType=" + mFnDagNode.dagRoot().apiType, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.model.equalEqual(mFnDagNode.objectProperty)=" + mFnDagNode.model.equalEqual(mFnDagNode.objectProperty), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.transformationMatrix.toString()=" + mFnDagNode.transformationMatrix.toString(), 3);
};
Action <MFnMesh> printMFnMesh = (MFnMesh _mFnMesh) =>
{
printMFnDagNode(mFnMesh);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numVertices=" + _mFnMesh.numVertices, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numEdges=" + _mFnMesh.numEdges, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numPolygons=" + _mFnMesh.numPolygons, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numFaceVertices=" + _mFnMesh.numFaceVertices, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numNormals=" + _mFnMesh.numNormals, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numUVSets=" + _mFnMesh.numUVSets, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numUVsProperty=" + _mFnMesh.numUVsProperty, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.displayColors=" + _mFnMesh.displayColors, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numColorSets=" + _mFnMesh.numColorSets, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numColorsProperty=" + _mFnMesh.numColorsProperty, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.currentUVSetName()=" + _mFnMesh.currentUVSetName(), 3);
var _uvSetNames = new MStringArray();
mFnMesh.getUVSetNames(_uvSetNames);
foreach (var uvSetName in _uvSetNames)
{
RaiseVerbose("BabylonExporter.Mesh | uvSetName=" + uvSetName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnMesh.numUVs(uvSetName)=" + mFnMesh.numUVs(uvSetName), 4);
MFloatArray us = new MFloatArray();
MFloatArray vs = new MFloatArray();
mFnMesh.getUVs(us, vs, uvSetName);
RaiseVerbose("BabylonExporter.Mesh | us.Count=" + us.Count, 4);
}
};
Action <MFnTransform> printMFnTransform = (MFnTransform _mFnMesh) =>
{
printMFnDagNode(mFnMesh);
};
RaiseVerbose("BabylonExporter.Mesh | mFnMesh data", 2);
printMFnMesh(mFnMesh);
RaiseVerbose("BabylonExporter.Mesh | mFnTransform data", 2);
printMFnTransform(mFnTransform);
Print(mFnTransform, 2, "Print ExportMesh mFnTransform");
Print(mFnMesh, 2, "Print ExportMesh mFnMesh");
//// Geometry
//MIntArray triangleCounts = new MIntArray();
//MIntArray trianglesVertices = new MIntArray();
//mFnMesh.getTriangles(triangleCounts, trianglesVertices);
//RaiseVerbose("BabylonExporter.Mesh | triangleCounts.ToArray()=" + triangleCounts.ToArray().toString(), 3);
//RaiseVerbose("BabylonExporter.Mesh | trianglesVertices.ToArray()=" + trianglesVertices.ToArray().toString(), 3);
//int[] polygonsVertexCount = new int[mFnMesh.numPolygons];
//for (int polygonId = 0; polygonId < mFnMesh.numPolygons; polygonId++)
//{
// polygonsVertexCount[polygonId] = mFnMesh.polygonVertexCount(polygonId);
//}
//RaiseVerbose("BabylonExporter.Mesh | polygonsVertexCount=" + polygonsVertexCount.toString(), 3);
////MFloatPointArray points = new MFloatPointArray();
////mFnMesh.getPoints(points);
////RaiseVerbose("BabylonExporter.Mesh | points.ToArray()=" + points.ToArray().Select(mFloatPoint => mFloatPoint.toString()), 3);
////MFloatVectorArray normals = new MFloatVectorArray();
////mFnMesh.getNormals(normals);
////RaiseVerbose("BabylonExporter.Mesh | normals.ToArray()=" + normals.ToArray().Select(mFloatPoint => mFloatPoint.toString()), 3);
//for (int polygonId = 0; polygonId < mFnMesh.numPolygons; polygonId++)
//{
// MIntArray verticesId = new MIntArray();
// RaiseVerbose("BabylonExporter.Mesh | polygonId=" + polygonId, 3);
// int nbTriangles = triangleCounts[polygonId];
// RaiseVerbose("BabylonExporter.Mesh | nbTriangles=" + nbTriangles, 3);
// for (int triangleIndex = 0; triangleIndex < triangleCounts[polygonId]; triangleIndex++)
// {
// RaiseVerbose("BabylonExporter.Mesh | triangleIndex=" + triangleIndex, 3);
// int[] triangleVertices = new int[3];
// mFnMesh.getPolygonTriangleVertices(polygonId, triangleIndex, triangleVertices);
// RaiseVerbose("BabylonExporter.Mesh | triangleVertices=" + triangleVertices.toString(), 3);
// foreach (int vertexId in triangleVertices)
// {
// RaiseVerbose("BabylonExporter.Mesh | vertexId=" + vertexId, 3);
// MPoint point = new MPoint();
// mFnMesh.getPoint(vertexId, point);
// RaiseVerbose("BabylonExporter.Mesh | point=" + point.toString(), 3);
// MVector normal = new MVector();
// mFnMesh.getFaceVertexNormal(polygonId, vertexId, normal);
// RaiseVerbose("BabylonExporter.Mesh | normal=" + normal.toString(), 3);
// }
// }
//}
#endregion
if (IsMeshExportable(mFnMesh, mDagPath) == false)
{
return(null);
}
var babylonMesh = new BabylonMesh {
name = mFnTransform.name, id = mFnTransform.uuid().asString()
};
// Position / rotation / scaling / hierarchy
ExportNode(babylonMesh, mFnTransform, babylonScene);
// Misc.
// TODO - Retreive from Maya
// TODO - What is the difference between isVisible and visibility?
// TODO - Fix fatal error: Attempting to save in C:/Users/Fabrice/AppData/Local/Temp/Fabrice.20171205.1613.ma
//babylonMesh.isVisible = mDagPath.isVisible;
//babylonMesh.visibility = meshNode.MaxNode.GetVisibility(0, Tools.Forever);
//babylonMesh.receiveShadows = meshNode.MaxNode.RcvShadows == 1;
//babylonMesh.applyFog = meshNode.MaxNode.ApplyAtmospherics == 1;
if (mFnMesh.numPolygons < 1)
{
RaiseError($"Mesh {babylonMesh.name} has no face", 2);
}
if (mFnMesh.numVertices < 3)
{
RaiseError($"Mesh {babylonMesh.name} has not enough vertices", 2);
}
if (mFnMesh.numVertices >= 65536)
{
RaiseWarning($"Mesh {babylonMesh.name} has more than 65536 vertices which means that it will require specific WebGL extension to be rendered. This may impact portability of your scene on low end devices.", 2);
}
// Material
MObjectArray shaders = new MObjectArray();
mFnMesh.getConnectedShaders(0, shaders, new MIntArray());
if (shaders.Count > 0)
{
List <MFnDependencyNode> materials = new List <MFnDependencyNode>();
foreach (MObject shader in shaders)
{
// Retreive material
MFnDependencyNode shadingEngine = new MFnDependencyNode(shader);
MPlug mPlugSurfaceShader = shadingEngine.findPlug("surfaceShader");
MObject materialObject = mPlugSurfaceShader.source.node;
MFnDependencyNode material = new MFnDependencyNode(materialObject);
materials.Add(material);
}
if (shaders.Count == 1)
{
MFnDependencyNode material = materials[0];
// Material is referenced by id
babylonMesh.materialId = material.uuid().asString();
// Register material for export if not already done
if (!referencedMaterials.Contains(material, new MFnDependencyNodeEqualityComparer()))
{
referencedMaterials.Add(material);
}
}
else
{
// Create a new id for the group of sub materials
string uuidMultiMaterial = GetMultimaterialUUID(materials);
// Multi material is referenced by id
babylonMesh.materialId = uuidMultiMaterial;
// Register multi material for export if not already done
if (!multiMaterials.ContainsKey(uuidMultiMaterial))
{
multiMaterials.Add(uuidMultiMaterial, materials);
}
}
}
var vertices = new List <GlobalVertex>();
var indices = new List <int>();
var uvSetNames = new MStringArray();
mFnMesh.getUVSetNames(uvSetNames);
bool[] isUVExportSuccess = new bool[Math.Min(uvSetNames.Count, 2)];
for (int indexUVSet = 0; indexUVSet < isUVExportSuccess.Length; indexUVSet++)
{
isUVExportSuccess[indexUVSet] = true;
}
// TODO - color, alpha
//var hasColor = unskinnedMesh.NumberOfColorVerts > 0;
//var hasAlpha = unskinnedMesh.GetNumberOfMapVerts(-2) > 0;
// TODO - Add custom properties
var optimizeVertices = false; // meshNode.MaxNode.GetBoolProperty("babylonjs_optimizevertices");
// Compute normals
var subMeshes = new List <BabylonSubMesh>();
ExtractGeometry(mFnMesh, vertices, indices, subMeshes, uvSetNames, ref isUVExportSuccess, optimizeVertices);
if (vertices.Count >= 65536)
{
RaiseWarning($"Mesh {babylonMesh.name} has {vertices.Count} vertices. This may prevent your scene to work on low end devices where 32 bits indice are not supported", 2);
if (!optimizeVertices)
{
RaiseError("You can try to optimize your object using [Try to optimize vertices] option", 2);
}
}
for (int indexUVSet = 0; indexUVSet < isUVExportSuccess.Length; indexUVSet++)
{
string uvSetName = uvSetNames[indexUVSet];
// If at least one vertex is mapped to an UV coordinate but some have failed to be exported
if (isUVExportSuccess[indexUVSet] == false && mFnMesh.numUVs(uvSetName) > 0)
{
RaiseWarning($"Failed to export UV set named {uvSetName}. Ensure all vertices are mapped to a UV coordinate.", 2);
}
}
RaiseMessage($"{vertices.Count} vertices, {indices.Count / 3} faces", 2);
// Buffers
babylonMesh.positions = vertices.SelectMany(v => v.Position).ToArray();
babylonMesh.normals = vertices.SelectMany(v => v.Normal).ToArray();
// TODO - Export colors ?
//babylonMesh.colors = vertices.SelectMany(v => v.Color).ToArray();
if (uvSetNames.Count > 0 && isUVExportSuccess[0])
{
babylonMesh.uvs = vertices.SelectMany(v => v.UV).ToArray();
}
if (uvSetNames.Count > 1 && isUVExportSuccess[1])
{
babylonMesh.uvs2 = vertices.SelectMany(v => v.UV2).ToArray();
}
babylonMesh.subMeshes = subMeshes.ToArray();
// Buffers - Indices
babylonMesh.indices = indices.ToArray();
babylonScene.MeshesList.Add(babylonMesh);
RaiseMessage("BabylonExporter.Mesh | done", 2);
return(babylonMesh);
}
/// <summary>
/// Extract ordered indices on a triangle basis
/// Extract position and normal of each vertex per face
/// </summary>
/// <param name="mFnMesh"></param>
/// <param name="vertices"></param>
/// <param name="indices"></param>
/// <param name="subMeshes"></param>
/// <param name="uvSetNames"></param>
/// <param name="isUVExportSuccess"></param>
/// <param name="optimizeVertices"></param>
private void ExtractGeometry(MFnMesh mFnMesh, List <GlobalVertex> vertices, List <int> indices, List <BabylonSubMesh> subMeshes, MStringArray uvSetNames, ref bool[] isUVExportSuccess, bool optimizeVertices)
{
// TODO - optimizeVertices
MIntArray triangleCounts = new MIntArray();
MIntArray trianglesVertices = new MIntArray();
mFnMesh.getTriangles(triangleCounts, trianglesVertices);
MObjectArray shaders = new MObjectArray();
MIntArray faceMatIndices = new MIntArray(); // given a face index => get a shader index
mFnMesh.getConnectedShaders(0, shaders, faceMatIndices);
// Export geometry even if an error occured with shaders
// This is a fix for Maya test files
// TODO - Find the reason why shaders.count = 0
int nbShaders = Math.Max(1, shaders.Count);
bool checkShader = nbShaders == shaders.Count;
RaiseVerbose("shaders.Count=" + shaders.Count, 2);
// For each material of this mesh
for (int indexShader = 0; indexShader < nbShaders; indexShader++)
{
var nbIndicesSubMesh = 0;
var minVertexIndexSubMesh = int.MaxValue;
var maxVertexIndexSubMesh = int.MinValue;
var subMesh = new BabylonSubMesh {
indexStart = indices.Count, materialIndex = indexShader
};
// For each polygon of this mesh
for (int polygonId = 0; polygonId < faceMatIndices.Count; polygonId++)
{
if (checkShader && faceMatIndices[polygonId] != indexShader)
{
continue;
}
// The object-relative (mesh-relative/global) vertex indices for this face
MIntArray polygonVertices = new MIntArray();
mFnMesh.getPolygonVertices(polygonId, polygonVertices);
// For each triangle of this polygon
for (int triangleId = 0; triangleId < triangleCounts[polygonId]; triangleId++)
{
int[] polygonTriangleVertices = new int[3];
mFnMesh.getPolygonTriangleVertices(polygonId, triangleId, polygonTriangleVertices);
/*
* Switch coordinate system at global level
*
* Piece of code kept just in case
* See BabylonExporter for more information
*/
//// Inverse winding order to flip faces
//var tmp = triangleVertices[1];
//triangleVertices[1] = triangleVertices[2];
//triangleVertices[2] = tmp;
// For each vertex of this triangle (3 vertices per triangle)
foreach (int vertexIndexGlobal in polygonTriangleVertices)
{
// Get the face-relative (local) vertex id
int vertexIndexLocal = 0;
for (vertexIndexLocal = 0; vertexIndexLocal < polygonVertices.Count; vertexIndexLocal++)
{
if (polygonVertices[vertexIndexLocal] == vertexIndexGlobal)
{
break;
}
}
GlobalVertex vertex = ExtractVertex(mFnMesh, polygonId, vertexIndexGlobal, vertexIndexLocal, uvSetNames, ref isUVExportSuccess);
vertex.CurrentIndex = vertices.Count;
indices.Add(vertex.CurrentIndex);
vertices.Add(vertex);
minVertexIndexSubMesh = Math.Min(minVertexIndexSubMesh, vertex.CurrentIndex);
maxVertexIndexSubMesh = Math.Max(maxVertexIndexSubMesh, vertex.CurrentIndex);
nbIndicesSubMesh++;
}
}
}
if (nbIndicesSubMesh != 0)
{
subMesh.indexCount = nbIndicesSubMesh;
subMesh.verticesStart = minVertexIndexSubMesh;
subMesh.verticesCount = maxVertexIndexSubMesh - minVertexIndexSubMesh + 1;
subMeshes.Add(subMesh);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="mDagPath">DAG path to the transform above mesh</param>
/// <param name="babylonScene"></param>
/// <returns></returns>
private BabylonNode ExportMesh(MDagPath mDagPath, BabylonScene babylonScene)
{
RaiseMessage(mDagPath.partialPathName, 1);
// Transform above mesh
mFnTransform = new MFnTransform(mDagPath);
// Mesh direct child of the transform
// TODO get the original one rather than the modified?
MFnMesh mFnMesh = null;
for (uint i = 0; i < mFnTransform.childCount; i++)
{
MObject childObject = mFnTransform.child(i);
if (childObject.apiType == MFn.Type.kMesh)
{
var _mFnMesh = new MFnMesh(childObject);
if (!_mFnMesh.isIntermediateObject)
{
mFnMesh = _mFnMesh;
}
}
}
if (mFnMesh == null)
{
RaiseError("No mesh found has child of " + mDagPath.fullPathName);
return(null);
}
RaiseMessage("mFnMesh.fullPathName=" + mFnMesh.fullPathName, 2);
// --- prints ---
#region prints
Action <MFnDagNode> printMFnDagNode = (MFnDagNode mFnDagNode) =>
{
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.name=" + mFnDagNode.name, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.absoluteName=" + mFnDagNode.absoluteName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.fullPathName=" + mFnDagNode.fullPathName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.partialPathName=" + mFnDagNode.partialPathName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.activeColor=" + mFnDagNode.activeColor.toString(), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.attributeCount=" + mFnDagNode.attributeCount, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.childCount=" + mFnDagNode.childCount, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.dormantColor=" + mFnDagNode.dormantColor, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.hasUniqueName=" + mFnDagNode.hasUniqueName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.inUnderWorld=" + mFnDagNode.inUnderWorld, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isDefaultNode=" + mFnDagNode.isDefaultNode, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isInstanceable=" + mFnDagNode.isInstanceable, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isInstanced(true)=" + mFnDagNode.isInstanced(true), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isInstanced(false)=" + mFnDagNode.isInstanced(false), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isInstanced()=" + mFnDagNode.isInstanced(), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.instanceCount(true)=" + mFnDagNode.instanceCount(true), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.instanceCount(false)=" + mFnDagNode.instanceCount(false), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isIntermediateObject=" + mFnDagNode.isIntermediateObject, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isShared=" + mFnDagNode.isShared, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.objectColor=" + mFnDagNode.objectColor, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.parentCount=" + mFnDagNode.parentCount, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.parentNamespace=" + mFnDagNode.parentNamespace, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.uuid().asString()=" + mFnDagNode.uuid().asString(), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.dagRoot().apiType=" + mFnDagNode.dagRoot().apiType, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.model.equalEqual(mFnDagNode.objectProperty)=" + mFnDagNode.model.equalEqual(mFnDagNode.objectProperty), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.transformationMatrix.toString()=" + mFnDagNode.transformationMatrix.toString(), 3);
};
Action <MFnMesh> printMFnMesh = (MFnMesh _mFnMesh) =>
{
printMFnDagNode(mFnMesh);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numVertices=" + _mFnMesh.numVertices, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numEdges=" + _mFnMesh.numEdges, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numPolygons=" + _mFnMesh.numPolygons, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numFaceVertices=" + _mFnMesh.numFaceVertices, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numNormals=" + _mFnMesh.numNormals, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numUVSets=" + _mFnMesh.numUVSets, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numUVsProperty=" + _mFnMesh.numUVsProperty, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.displayColors=" + _mFnMesh.displayColors, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numColorSets=" + _mFnMesh.numColorSets, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numColorsProperty=" + _mFnMesh.numColorsProperty, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.currentUVSetName()=" + _mFnMesh.currentUVSetName(), 3);
var _uvSetNames = new MStringArray();
mFnMesh.getUVSetNames(_uvSetNames);
foreach (var uvSetName in _uvSetNames)
{
RaiseVerbose("BabylonExporter.Mesh | uvSetName=" + uvSetName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnMesh.numUVs(uvSetName)=" + mFnMesh.numUVs(uvSetName), 4);
MFloatArray us = new MFloatArray();
MFloatArray vs = new MFloatArray();
mFnMesh.getUVs(us, vs, uvSetName);
RaiseVerbose("BabylonExporter.Mesh | us.Count=" + us.Count, 4);
}
};
Action <MFnTransform> printMFnTransform = (MFnTransform _mFnMesh) =>
{
printMFnDagNode(mFnMesh);
};
RaiseVerbose("BabylonExporter.Mesh | mFnMesh data", 2);
printMFnMesh(mFnMesh);
RaiseVerbose("BabylonExporter.Mesh | mFnTransform data", 2);
printMFnTransform(mFnTransform);
Print(mFnTransform, 2, "Print ExportMesh mFnTransform");
Print(mFnMesh, 2, "Print ExportMesh mFnMesh");
//// Geometry
//MIntArray triangleCounts = new MIntArray();
//MIntArray trianglesVertices = new MIntArray();
//mFnMesh.getTriangles(triangleCounts, trianglesVertices);
//RaiseVerbose("BabylonExporter.Mesh | triangleCounts.ToArray()=" + triangleCounts.ToArray().toString(), 3);
//RaiseVerbose("BabylonExporter.Mesh | trianglesVertices.ToArray()=" + trianglesVertices.ToArray().toString(), 3);
//int[] polygonsVertexCount = new int[mFnMesh.numPolygons];
//for (int polygonId = 0; polygonId < mFnMesh.numPolygons; polygonId++)
//{
// polygonsVertexCount[polygonId] = mFnMesh.polygonVertexCount(polygonId);
//}
//RaiseVerbose("BabylonExporter.Mesh | polygonsVertexCount=" + polygonsVertexCount.toString(), 3);
////MFloatPointArray points = new MFloatPointArray();
////mFnMesh.getPoints(points);
////RaiseVerbose("BabylonExporter.Mesh | points.ToArray()=" + points.ToArray().Select(mFloatPoint => mFloatPoint.toString()), 3);
////MFloatVectorArray normals = new MFloatVectorArray();
////mFnMesh.getNormals(normals);
////RaiseVerbose("BabylonExporter.Mesh | normals.ToArray()=" + normals.ToArray().Select(mFloatPoint => mFloatPoint.toString()), 3);
//for (int polygonId = 0; polygonId < mFnMesh.numPolygons; polygonId++)
//{
// MIntArray verticesId = new MIntArray();
// RaiseVerbose("BabylonExporter.Mesh | polygonId=" + polygonId, 3);
// int nbTriangles = triangleCounts[polygonId];
// RaiseVerbose("BabylonExporter.Mesh | nbTriangles=" + nbTriangles, 3);
// for (int triangleIndex = 0; triangleIndex < triangleCounts[polygonId]; triangleIndex++)
// {
// RaiseVerbose("BabylonExporter.Mesh | triangleIndex=" + triangleIndex, 3);
// int[] triangleVertices = new int[3];
// mFnMesh.getPolygonTriangleVertices(polygonId, triangleIndex, triangleVertices);
// RaiseVerbose("BabylonExporter.Mesh | triangleVertices=" + triangleVertices.toString(), 3);
// foreach (int vertexId in triangleVertices)
// {
// RaiseVerbose("BabylonExporter.Mesh | vertexId=" + vertexId, 3);
// MPoint point = new MPoint();
// mFnMesh.getPoint(vertexId, point);
// RaiseVerbose("BabylonExporter.Mesh | point=" + point.toString(), 3);
// MVector normal = new MVector();
// mFnMesh.getFaceVertexNormal(polygonId, vertexId, normal);
// RaiseVerbose("BabylonExporter.Mesh | normal=" + normal.toString(), 3);
// }
// }
//}
#endregion
if (IsMeshExportable(mFnMesh, mDagPath) == false)
{
return(null);
}
var babylonMesh = new BabylonMesh {
name = mFnTransform.name,
id = mFnTransform.uuid().asString(),
visibility = Loader.GetVisibility(mFnTransform.fullPathName)
};
// Instance
// For a mesh with instances, we distinguish between master and instance meshes:
// - a master mesh stores all the info of the mesh (transform, hierarchy, animations + vertices, indices, materials, bones...)
// - an instance mesh only stores the info of the node (transform, hierarchy, animations)
// Check if this mesh has already been exported as a master mesh
BabylonMesh babylonMasterMesh = GetMasterMesh(mFnMesh, babylonMesh);
if (babylonMasterMesh != null)
{
RaiseMessage($"The master mesh {babylonMasterMesh.name} was already exported. This one will be exported as an instance.", 2);
// Export this node as instance
var babylonInstanceMesh = new BabylonAbstractMesh {
name = mFnTransform.name, id = mFnTransform.uuid().asString()
};
//// Add instance to master mesh
List <BabylonAbstractMesh> instances = babylonMasterMesh.instances != null?babylonMasterMesh.instances.ToList() : new List <BabylonAbstractMesh>();
instances.Add(babylonInstanceMesh);
babylonMasterMesh.instances = instances.ToArray();
// Export transform / hierarchy / animations
ExportNode(babylonInstanceMesh, mFnTransform, babylonScene);
// Animations
ExportNodeAnimation(babylonInstanceMesh, mFnTransform);
return(babylonInstanceMesh);
}
// Position / rotation / scaling / hierarchy
ExportNode(babylonMesh, mFnTransform, babylonScene);
// Misc.
// TODO - Retreive from Maya
//babylonMesh.receiveShadows = meshNode.MaxNode.RcvShadows == 1;
//babylonMesh.applyFog = meshNode.MaxNode.ApplyAtmospherics == 1;
if (mFnMesh.numPolygons < 1)
{
RaiseError($"Mesh {babylonMesh.name} has no face", 2);
}
if (mFnMesh.numVertices < 3)
{
RaiseError($"Mesh {babylonMesh.name} has not enough vertices", 2);
}
if (mFnMesh.numVertices >= 65536)
{
RaiseWarning($"Mesh {babylonMesh.name} has more than 65536 vertices which means that it will require specific WebGL extension to be rendered. This may impact portability of your scene on low end devices.", 2);
}
// Animations
ExportNodeAnimation(babylonMesh, mFnTransform);
// Material
MObjectArray shaders = new MObjectArray();
mFnMesh.getConnectedShaders(0, shaders, new MIntArray());
if (shaders.Count > 0)
{
List <MFnDependencyNode> materials = new List <MFnDependencyNode>();
foreach (MObject shader in shaders)
{
// Retreive material
MFnDependencyNode shadingEngine = new MFnDependencyNode(shader);
MPlug mPlugSurfaceShader = shadingEngine.findPlug("surfaceShader");
MObject materialObject = mPlugSurfaceShader.source.node;
MFnDependencyNode material = new MFnDependencyNode(materialObject);
materials.Add(material);
}
if (shaders.Count == 1)
{
MFnDependencyNode material = materials[0];
// Material is referenced by id
babylonMesh.materialId = material.uuid().asString();
// Register material for export if not already done
if (!referencedMaterials.Contains(material, new MFnDependencyNodeEqualityComparer()))
{
referencedMaterials.Add(material);
}
}
else
{
// Create a new id for the group of sub materials
string uuidMultiMaterial = GetMultimaterialUUID(materials);
// Multi material is referenced by id
babylonMesh.materialId = uuidMultiMaterial;
// Register multi material for export if not already done
if (!multiMaterials.ContainsKey(uuidMultiMaterial))
{
multiMaterials.Add(uuidMultiMaterial, materials);
}
}
}
var vertices = new List <GlobalVertex>();
var indices = new List <int>();
var uvSetNames = new MStringArray();
mFnMesh.getUVSetNames(uvSetNames);
bool[] isUVExportSuccess = new bool[Math.Min(uvSetNames.Count, 2)];
for (int indexUVSet = 0; indexUVSet < isUVExportSuccess.Length; indexUVSet++)
{
isUVExportSuccess[indexUVSet] = true;
}
// skin
if (_exportSkin)
{
mFnSkinCluster = getMFnSkinCluster(mFnMesh);
}
int maxNbBones = 0;
if (mFnSkinCluster != null)
{
RaiseMessage($"mFnSkinCluster.name | {mFnSkinCluster.name}", 2);
Print(mFnSkinCluster, 3, $"Print {mFnSkinCluster.name}");
// Get the bones dictionary<name, index> => it represents all the bones in the skeleton
indexByNodeName = GetIndexByFullPathNameDictionary(mFnSkinCluster);
// Get the joint names that influence this mesh
allMayaInfluenceNames = GetBoneFullPathName(mFnSkinCluster, mFnTransform);
// Get the max number of joints acting on a vertex
int maxNumInfluences = GetMaxInfluence(mFnSkinCluster, mFnTransform, mFnMesh);
RaiseMessage($"Max influences : {maxNumInfluences}", 2);
if (maxNumInfluences > 8)
{
RaiseWarning($"Too many bones influences per vertex: {maxNumInfluences}. Babylon.js only support up to 8 bones influences per vertex.", 2);
RaiseWarning("The result may not be as expected.", 2);
}
maxNbBones = Math.Min(maxNumInfluences, 8);
if (indexByNodeName != null && allMayaInfluenceNames != null)
{
babylonMesh.skeletonId = GetSkeletonIndex(mFnSkinCluster);
}
else
{
mFnSkinCluster = null;
}
}
// Export tangents if option is checked and mesh have tangents
bool isTangentExportSuccess = _exportTangents;
// TODO - color, alpha
//var hasColor = unskinnedMesh.NumberOfColorVerts > 0;
//var hasAlpha = unskinnedMesh.GetNumberOfMapVerts(-2) > 0;
// TODO - Add custom properties
//var optimizeVertices = false; // meshNode.MaxNode.GetBoolProperty("babylonjs_optimizevertices");
var optimizeVertices = _optimizeVertices; // global option
// Compute normals
var subMeshes = new List <BabylonSubMesh>();
ExtractGeometry(mFnMesh, vertices, indices, subMeshes, uvSetNames, ref isUVExportSuccess, ref isTangentExportSuccess, optimizeVertices);
if (vertices.Count >= 65536)
{
RaiseWarning($"Mesh {babylonMesh.name} has {vertices.Count} vertices. This may prevent your scene to work on low end devices where 32 bits indice are not supported", 2);
if (!optimizeVertices)
{
RaiseError("You can try to optimize your object using [Try to optimize vertices] option", 2);
}
}
for (int indexUVSet = 0; indexUVSet < isUVExportSuccess.Length; indexUVSet++)
{
string uvSetName = uvSetNames[indexUVSet];
// If at least one vertex is mapped to an UV coordinate but some have failed to be exported
if (isUVExportSuccess[indexUVSet] == false && mFnMesh.numUVs(uvSetName) > 0)
{
RaiseWarning($"Failed to export UV set named {uvSetName}. Ensure all vertices are mapped to a UV coordinate.", 2);
}
}
RaiseMessage($"{vertices.Count} vertices, {indices.Count / 3} faces", 2);
// Buffers
babylonMesh.positions = vertices.SelectMany(v => v.Position).ToArray();
babylonMesh.normals = vertices.SelectMany(v => v.Normal).ToArray();
// export the skin
if (mFnSkinCluster != null)
{
babylonMesh.matricesWeights = vertices.SelectMany(v => v.Weights.ToArray()).ToArray();
babylonMesh.matricesIndices = vertices.Select(v => v.BonesIndices).ToArray();
babylonMesh.numBoneInfluencers = maxNbBones;
if (maxNbBones > 4)
{
babylonMesh.matricesWeightsExtra = vertices.SelectMany(v => v.WeightsExtra != null ? v.WeightsExtra.ToArray() : new[] { 0.0f, 0.0f, 0.0f, 0.0f }).ToArray();
babylonMesh.matricesIndicesExtra = vertices.Select(v => v.BonesIndicesExtra).ToArray();
}
}
// Tangent
if (isTangentExportSuccess)
{
babylonMesh.tangents = vertices.SelectMany(v => v.Tangent).ToArray();
}
// Color
string colorSetName;
mFnMesh.getCurrentColorSetName(out colorSetName);
if (mFnMesh.numColors(colorSetName) > 0)
{
babylonMesh.colors = vertices.SelectMany(v => v.Color).ToArray();
}
// UVs
if (uvSetNames.Count > 0 && isUVExportSuccess[0])
{
babylonMesh.uvs = vertices.SelectMany(v => v.UV).ToArray();
}
if (uvSetNames.Count > 1 && isUVExportSuccess[1])
{
babylonMesh.uvs2 = vertices.SelectMany(v => v.UV2).ToArray();
}
babylonMesh.subMeshes = subMeshes.ToArray();
// Buffers - Indices
babylonMesh.indices = indices.ToArray();
babylonScene.MeshesList.Add(babylonMesh);
RaiseMessage("BabylonExporter.Mesh | done", 2);
return(babylonMesh);
}
public void Create(SKLFile skl)
{
MSelectionList currentSelection = MGlobal.activeSelectionList;
MItSelectionList currentSelectionIterator = new MItSelectionList(currentSelection, MFn.Type.kMesh);
MDagPath meshDagPath = new MDagPath();
if (currentSelectionIterator.isDone)
{
MGlobal.displayError("SKNFile:Create - No mesh selected!");
throw new Exception("SKNFile:Create - No mesh selected!");
}
else
{
currentSelectionIterator.getDagPath(meshDagPath);
currentSelectionIterator.next();
if (!currentSelectionIterator.isDone)
{
MGlobal.displayError("SKNFile:Create - More than one mesh selected!");
throw new Exception("SKNFile:Create - More than one mesh selected!");
}
}
MFnMesh mesh = new MFnMesh(meshDagPath);
//Find Skin Cluster
MPlug inMeshPlug = mesh.findPlug("inMesh");
MPlugArray inMeshConnections = new MPlugArray();
inMeshPlug.connectedTo(inMeshConnections, true, false);
if (inMeshConnections.length == 0)
{
MGlobal.displayError("SKNFile:Create - Failed to find Skin Cluster!");
throw new Exception("SKNFile:Create - Failed to find Skin Cluster!");
}
MPlug outputGeometryPlug = inMeshConnections[0];
MFnSkinCluster skinCluster = new MFnSkinCluster(outputGeometryPlug.node);
MDagPathArray influenceDagPaths = new MDagPathArray();
uint influenceCount = skinCluster.influenceObjects(influenceDagPaths);
MGlobal.displayInfo("SKNFile:Create - Influence Count: " + influenceCount);
//Get SKL Influence Indices
MIntArray sklInfluenceIndices = new MIntArray(influenceCount);
for (int i = 0; i < influenceCount; i++)
{
MDagPath jointDagPath = influenceDagPaths[i];
MGlobal.displayInfo(jointDagPath.fullPathName);
//Loop through Joint DAG Paths, if we find a math for the influence, write the index
for (int j = 0; j < skl.JointDagPaths.Count; j++)
{
if (jointDagPath.equalEqual(skl.JointDagPaths[j]))
{
MGlobal.displayInfo("Found coresponding DAG path");
sklInfluenceIndices[i] = j;
break;
}
}
}
//Add Influence indices to SKL File
MIntArray maskInfluenceIndex = new MIntArray(influenceCount);
for (int i = 0; i < influenceCount; i++)
{
maskInfluenceIndex[i] = i;
skl.Influences.Add((short)sklInfluenceIndices[i]);
}
MObjectArray shaders = new MObjectArray();
MIntArray polygonShaderIndices = new MIntArray();
mesh.getConnectedShaders(meshDagPath.isInstanced ? meshDagPath.instanceNumber : 0, shaders, polygonShaderIndices);
uint shaderCount = shaders.length;
if (shaderCount > 32) //iirc 32 is the limit of how many submeshes there can be for an SKN file
{
MGlobal.displayError("SKNFile:Create - You've exceeded the maximum limit of 32 shaders");
throw new Exception("SKNFile:Create - You've exceeded the maximum limit of 32 shaders");
}
MIntArray vertexShaders = new MIntArray();
ValidateMeshTopology(mesh, meshDagPath, polygonShaderIndices, ref vertexShaders, shaderCount);
//Get Weights
MFnSingleIndexedComponent vertexIndexedComponent = new MFnSingleIndexedComponent();
MObject vertexComponent = vertexIndexedComponent.create(MFn.Type.kMeshVertComponent);
MIntArray groupVertexIndices = new MIntArray((uint)mesh.numVertices);
for (int i = 0; i < mesh.numVertices; i++)
{
groupVertexIndices[i] = i;
}
vertexIndexedComponent.addElements(groupVertexIndices);
MDoubleArray weights = new MDoubleArray();
uint weightsInfluenceCount = 0;
skinCluster.getWeights(meshDagPath, vertexComponent, weights, ref weightsInfluenceCount);
//Check if vertices don't have more than 4 influences and normalize weights
for (int i = 0; i < mesh.numVertices; i++)
{
int vertexInfluenceCount = 0;
double weightSum = 0;
for (int j = 0; j < weightsInfluenceCount; j++)
{
double weight = weights[(int)(i * weightsInfluenceCount) + j];
if (weight != 0)
{
vertexInfluenceCount++;
weightSum += weight;
}
}
if (vertexInfluenceCount > 4)
{
MGlobal.displayError("SKNFile:Create - Mesh contains a vertex with more than 4 influences");
throw new Exception("SKNFile:Create - Mesh contains a vertex with more than 4 influences");
}
//Normalize weights
for (int j = 0; j < weightsInfluenceCount; j++)
{
weights[(int)(i * influenceCount) + j] /= weightSum;
}
}
List <MIntArray> shaderVertexIndices = new List <MIntArray>();
List <List <SKNVertex> > shaderVertices = new List <List <SKNVertex> >();
List <MIntArray> shaderIndices = new List <MIntArray>();
for (int i = 0; i < shaderCount; i++)
{
shaderVertexIndices.Add(new MIntArray());
shaderVertices.Add(new List <SKNVertex>());
shaderIndices.Add(new MIntArray());
}
MItMeshVertex meshVertexIterator = new MItMeshVertex(meshDagPath);
for (meshVertexIterator.reset(); !meshVertexIterator.isDone; meshVertexIterator.next())
{
int index = meshVertexIterator.index();
int shader = vertexShaders[index];
if (shader == -1)
{
MGlobal.displayWarning("SKNFile:Create - Mesh contains a vertex with no shader");
continue;
}
MPoint pointPosition = meshVertexIterator.position(MSpace.Space.kWorld);
Vector3 position = new Vector3((float)pointPosition.x, (float)pointPosition.y, (float)pointPosition.z);
MVectorArray normals = new MVectorArray();
MIntArray uvIndices = new MIntArray();
Vector3 normal = new Vector3();
byte[] weightIndices = new byte[4];
float[] vertexWeights = new float[4];
meshVertexIterator.getNormals(normals);
//Normalize normals
for (int i = 0; i < normals.length; i++)
{
normal.X += (float)normals[i].x;
normal.Y += (float)normals[i].y;
normal.Z += (float)normals[i].z;
}
normal.X /= normals.length;
normal.Y /= normals.length;
normal.Z /= normals.length;
//Get Weight Influences and Weights
int weightsFound = 0;
for (int j = 0; j < weightsInfluenceCount && weightsFound < 4; j++)
{
double weight = weights[(int)(index * weightsInfluenceCount) + j];
if (weight != 0)
{
weightIndices[weightsFound] = (byte)maskInfluenceIndex[j];
vertexWeights[weightsFound] = (float)weight;
weightsFound++;
}
}
//Get unique UVs
meshVertexIterator.getUVIndices(uvIndices);
if (uvIndices.length != 0)
{
List <int> seen = new List <int>();
for (int j = 0; j < uvIndices.length; j++)
{
int uvIndex = uvIndices[j];
if (!seen.Contains(uvIndex))
{
seen.Add(uvIndex);
float u = 0;
float v = 0;
mesh.getUV(uvIndex, ref u, ref v);
SKNVertex vertex = new SKNVertex(position, weightIndices, vertexWeights, normal, new Vector2(u, 1 - v));
vertex.UVIndex = uvIndex;
shaderVertices[shader].Add(vertex);
shaderVertexIndices[shader].append(index);
}
}
}
else
{
MGlobal.displayError("SKNFile:Create - Mesh contains a vertex with no UVs");
throw new Exception("SKNFile:Create - Mesh contains a vertex with no UVs");
}
}
//Convert from Maya indices to data indices
int currentIndex = 0;
MIntArray dataIndices = new MIntArray((uint)mesh.numVertices, -1);
for (int i = 0; i < shaderCount; i++)
{
for (int j = 0; j < shaderVertexIndices[i].length; j++)
{
int index = shaderVertexIndices[i][j];
if (dataIndices[index] == -1)
{
dataIndices[index] = currentIndex;
shaderVertices[i][j].DataIndex = currentIndex;
}
else
{
shaderVertices[i][j].DataIndex = dataIndices[index];
}
currentIndex++;
}
this.Vertices.AddRange(shaderVertices[i]);
}
MItMeshPolygon polygonIterator = new MItMeshPolygon(meshDagPath);
for (polygonIterator.reset(); !polygonIterator.isDone; polygonIterator.next())
{
int polygonIndex = (int)polygonIterator.index();
int shaderIndex = polygonShaderIndices[polygonIndex];
MIntArray indices = new MIntArray();
MPointArray points = new MPointArray();
polygonIterator.getTriangles(points, indices);
if (polygonIterator.hasUVsProperty)
{
MIntArray vertices = new MIntArray();
MIntArray newIndices = new MIntArray(indices.length, -1);
polygonIterator.getVertices(vertices);
for (int i = 0; i < vertices.length; i++)
{
int dataIndex = dataIndices[vertices[i]];
int uvIndex;
polygonIterator.getUVIndex(i, out uvIndex);
if (dataIndex == -1 || dataIndex >= this.Vertices.Count)
{
MGlobal.displayError("SKNFIle:Create - Data Index outside of range");
throw new Exception("SKNFIle:Create - Data Index outside of range");
}
for (int j = dataIndex; j < this.Vertices.Count; j++)
{
if (this.Vertices[j].DataIndex != dataIndex)
{
MGlobal.displayError("SKNFIle:Create - Can't find corresponding face vertex in data");
throw new Exception("SKNFIle:Create - Can't find corresponding face vertex in data");
}
else if (this.Vertices[j].UVIndex == uvIndex)
{
for (int k = 0; k < indices.length; k++)
{
if (indices[k] == vertices[i])
{
newIndices[k] = j;
}
}
break;
}
}
}
for (int i = 0; i < newIndices.length; i++)
{
shaderIndices[shaderIndex].append(newIndices[i]);
}
}
else
{
for (int i = 0; i < indices.length; i++)
{
shaderIndices[shaderIndex].append(dataIndices[indices[i]]);
}
}
}
uint startIndex = 0;
uint startVertex = 0;
for (int i = 0; i < shaderCount; i++)
{
MPlug shaderPlug = new MFnDependencyNode(shaders[i]).findPlug("surfaceShader");
MPlugArray plugArray = new MPlugArray();
shaderPlug.connectedTo(plugArray, true, false);
string name = new MFnDependencyNode(plugArray[0].node).name;
uint indexCount = shaderIndices[i].length;
uint vertexCount = shaderVertexIndices[i].length;
//Copy indices to SKLFile
for (int j = 0; j < indexCount; j++)
{
this.Indices.Add((ushort)shaderIndices[i][j]);
}
this.Submeshes.Add(new SKNSubmesh(name, startVertex, vertexCount, startIndex, indexCount));
startIndex += indexCount;
startVertex += vertexCount;
}
MGlobal.displayInfo("SKNFile:Create - Created SKN File");
}
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) ;
}