public static void BeautifulPole(MDagPath middleDag = null, bool clearFlag_x = true, bool clearFlag_y = true, bool clearFlag_z = true, bool useMoveSkinJointsTool = true)
        {
            if (middleDag == null || middleDag.node.isNull)
            {
                middleDag = BasicFunc.GetSelectedDagPath(0);
                if (middleDag == null || middleDag.node.isNull)
                {
                    Debug.Log("please select middle joint");
                    return;
                }
            }

            MFnTransform middleTrans = new MFnTransform(middleDag);

            if (middleTrans.parentCount == 0 || middleTrans.childCount == 0)
            {
                return;
            }
            MDagPath     parentDag      = MDagPath.getAPathTo(middleTrans.parent(0));
            MDagPath     childDag       = MDagPath.getAPathTo(middleTrans.child(0));
            MFnTransform parentTrans    = new MFnTransform(parentDag);
            MFnTransform childTrans     = new MFnTransform(childDag);
            MVector      parentWorldPos = parentTrans.getTranslation(MSpace.Space.kWorld);
            MVector      middleWorldPos = middleTrans.getTranslation(MSpace.Space.kWorld);
            MVector      childWorldPos  = childTrans.getTranslation(MSpace.Space.kWorld);
            //MVector vec_middleToParent = parentWorldPos - middleWorldPos;
            //MVector vec_childToMiddle = middleWorldPos - childWorldPos;
            //MVector verticalBack = BasicFunc.Cross(vec_middleToParent, vec_childToMiddle);

            float   length0     = (float)(middleWorldPos - parentWorldPos).length;
            float   length1     = (float)(middleWorldPos - childWorldPos).length;
            MVector posByWeight = BasicFunc.Lerp(parentWorldPos, childWorldPos, length0 / (length0 + length1));

            if (useMoveSkinJointsTool)
            {
                MoveSkinJointsTool(middleDag);
            }
            //middleTrans.setTranslation(posByWeight, MSpace.Space.kWorld);
            if (!clearFlag_x)
            {
                posByWeight.x = middleWorldPos.x;
            }
            if (!clearFlag_y)
            {
                posByWeight.y = middleWorldPos.y;
            }
            if (!clearFlag_z)
            {
                posByWeight.z = middleWorldPos.z;
            }
            middleTrans.setTranslation(posByWeight, MSpace.Space.kWorld);
            childTrans.setTranslation(childWorldPos, MSpace.Space.kWorld);
            //MFnIkJoint middleJoint = new MFnIkJoint(middleDag);
        }
Beispiel #2
0
        public static List <MFnTransform> GetHierachyChainTrans(MDagPath startDag, MFn.Type filterType = MFn.Type.kInvalid, MDagPath endDag = null)
        {
            MFnTransform currentTrans = new MFnTransform(startDag);
            //no need for trans data , so mfntransform(mobject) is used
            List <MFnTransform> result = new List <MFnTransform>();

            result.Add(currentTrans);
            while (currentTrans.childCount > 0)
            {
                MObject filteredMO = new MObject();
                if (filterType != MFn.Type.kInvalid)
                {
                    bool filterOK = false;
                    for (int i = 0; i < currentTrans.childCount; i++)
                    {
                        filteredMO = currentTrans.child((uint)i);
                        if (filteredMO.hasFn(filterType))
                        {
                            filterOK = true;
                            break;
                        }
                    }
                    if (!filterOK)
                    {
                        break;
                    }
                }
                else
                {
                    filteredMO = currentTrans.child(0);
                }
                MDagPath dag = MDagPath.getAPathTo(filteredMO);
                currentTrans = new MFnTransform(dag);
                result.Add(currentTrans);
                if (endDag != null && dag.fullPathName == endDag.fullPathName)
                {
                    break;
                }
            }
            return(result);
        }
 public static void IterateHierachy(MFnTransform rootTrans, int rootLevel, ref string resultStr)
 {
     for (int i = 0; i < rootLevel; i++)
     {
         resultStr += "\t";
     }
     resultStr += rootTrans.name + "\n";
     for (int i = 0; i < rootTrans.childCount; i++)
     {
         IterateHierachy(new MFnTransform(rootTrans.child((uint)i)), rootLevel + 1, ref resultStr);
     }
 }
Beispiel #4
0
        public static List <MDagPath> GetHierachyChain(MDagPath startDag, MFn.Type filterType = MFn.Type.kInvalid, MDagPath endDag = null)
        {
            MFnTransform currentTrans = new MFnTransform(startDag);
            //no need for trans data , so mfntransform(mobject) is used
            List <MDagPath> result = new List <MDagPath>();

            result.Add(startDag);
            while (currentTrans.childCount > 0)
            {
                int nextIndex = 0;
                if (filterType != MFn.Type.kInvalid)
                {
                    bool filterOK = false;
                    for (int i = 0; i < currentTrans.childCount; i++)
                    {
                        MObject mo = currentTrans.child((uint)i);
                        if (mo.hasFn(filterType))
                        {
                            nextIndex = i;
                            filterOK  = true;
                            break;
                        }
                    }
                    if (!filterOK)
                    {
                        break;
                    }
                }
                currentTrans = new MFnTransform(currentTrans.child((uint)nextIndex));
                MDagPath dag = currentTrans.dagPath;
                result.Add(dag);
                if (endDag != null && dag.fullPathName == endDag.fullPathName)
                {
                    break;
                }
            }
            return(result);
        }
Beispiel #5
0
 private static void AddChildrenToList(List <MDagPath> dagList, MFnTransform rootTrans, MFn.Type filterType = MFn.Type.kInvalid)
 {
     if (filterType == MFn.Type.kInvalid || rootTrans.dagPath.hasFn(filterType))
     {
         dagList.Add(rootTrans.dagPath);
     }
     if (rootTrans.childCount > 0)
     {
         for (int i = 0; i < rootTrans.childCount; i++)
         {
             MObject  mo  = rootTrans.child((uint)i);
             MDagPath dag = MDagPath.getAPathTo(mo);
             AddChildrenToList(dagList, new MFnTransform(dag), filterType);
         }
     }
 }
Beispiel #6
0
        public MFnMesh GetFirstMesh()
        {
            var selected = GetFirstSelectedMesh();

            MFnMesh mesh = null;

            // The reason why there might not be a selection is if some tool isn't closed
            // and prevent the previous selection command from going through
            if (selected != null)
            {
                if (selected.node.apiTypeStr == "kMesh")
                {
                    mesh = new MFnMesh(selected);
                }

                if (selected.node.apiTypeStr == "kTransform")
                {
                    MFnTransform trans = new MFnTransform(selected);
                    mesh = new MFnMesh(trans.child(0));
                }
            }

            return(mesh);
        }
Beispiel #7
0
        /// <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);
        }
Beispiel #8
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="mDagPath">DAG path to the transform above light</param>
        /// <param name="babylonScene"></param>
        /// <returns></returns>
        private BabylonNode ExportLight(MDagPath mDagPath, BabylonScene babylonScene)
        {
            RaiseMessage(mDagPath.partialPathName, 1);

            // Transform above light
            MFnTransform mFnTransform = new MFnTransform(mDagPath);

            // Light direct child of the transform
            MFnLight mFnLight = null;

            for (uint i = 0; i < mFnTransform.childCount; i++)
            {
                MObject childObject = mFnTransform.child(i);
                if (childObject.hasFn(MFn.Type.kLight))
                {
                    var _mFnLight = new MFnLight(childObject);
                    if (!_mFnLight.isIntermediateObject)
                    {
                        mFnLight = _mFnLight;
                    }
                }
            }
            if (mFnLight == null)
            {
                RaiseError("No light found has child of " + mDagPath.fullPathName);
                return(null);
            }

            RaiseMessage("mFnLight.fullPathName=" + mFnLight.fullPathName, 2);

            // --- prints ---
            #region prints

            // MFnLight
            RaiseVerbose("BabylonExporter.Light | mFnLight data", 2);
            RaiseVerbose("BabylonExporter.Light | mFnLight.color.toString()=" + mFnLight.color.toString(), 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.intensity=" + mFnLight.intensity, 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.useRayTraceShadows=" + mFnLight.useRayTraceShadows, 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.shadowColor.toString()=" + mFnLight.shadowColor.toString(), 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.centerOfIllumination=" + mFnLight.centerOfIllumination, 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.numShadowSamples=" + mFnLight.numShadowSamples, 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.rayDepthLimit=" + mFnLight.rayDepthLimit, 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.opticalFXvisibility.toString()=" + mFnLight.opticalFXvisibility.toString(), 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.lightIntensity.toString()=" + mFnLight.lightIntensity.toString(), 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.instanceCount(true)=" + mFnLight.instanceCount(true), 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.lightDirection(0).toString()=" + mFnLight.lightDirection(0).toString(), 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.lightAmbient=" + mFnLight.lightAmbient, 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.lightDiffuse=" + mFnLight.lightDiffuse, 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.lightSpecular=" + mFnLight.lightSpecular, 3);

            switch (mFnLight.objectProperty.apiType)
            {
            case MFn.Type.kSpotLight:
                MFnSpotLight mFnSpotLight = new MFnSpotLight(mFnLight.objectProperty);
                // MFnNonAmbientLight
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.decayRate=" + mFnSpotLight.decayRate, 3);     // dropdown enum value
                // MFnNonExtendedLight
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.shadowRadius=" + mFnSpotLight.shadowRadius, 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.castSoftShadows=" + mFnSpotLight.castSoftShadows, 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.useDepthMapShadows=" + mFnSpotLight.useDepthMapShadows, 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.depthMapFilterSize()=" + mFnSpotLight.depthMapFilterSize(), 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.depthMapResolution()=" + mFnSpotLight.depthMapResolution(), 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.depthMapBias()=" + mFnSpotLight.depthMapBias(), 3);
                // MFnSpotLight
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.coneAngle=" + mFnSpotLight.coneAngle, 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.penumbraAngle=" + mFnSpotLight.penumbraAngle, 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.dropOff=" + mFnSpotLight.dropOff, 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.barnDoors=" + mFnSpotLight.barnDoors, 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.useDecayRegions=" + mFnSpotLight.useDecayRegions, 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kFirst)=" + mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kFirst), 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kFirst)=" + mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kFirst), 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kSecond)=" + mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kSecond), 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kSecond)=" + mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kSecond), 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kThird)=" + mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kThird), 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kThird)=" + mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kThird), 3);
                break;
            }

            Print(mFnTransform, 2, "Print ExportLight mFnTransform");

            Print(mFnLight, 2, "Print ExportLight mFnLight");

            #endregion

            if (IsLightExportable(mFnLight, mDagPath) == false)
            {
                return(null);
            }

            var babylonLight = new BabylonLight {
                name = mFnTransform.name, id = mFnTransform.uuid().asString()
            };

            // Hierarchy
            ExportHierarchy(babylonLight, mFnTransform);

            // User custom attributes
            babylonLight.metadata = ExportCustomAttributeFromTransform(mFnTransform);

            // Position
            //RaiseVerbose("BabylonExporter.Light | ExportTransform", 2);
            float[] position = null;
            GetTransform(mFnTransform, ref position);
            babylonLight.position = position;

            // Direction
            var vDir = new MVector(0, 0, -1);
            var transformationMatrix = new MTransformationMatrix(mFnTransform.transformationMatrix);
            vDir = vDir.multiply(transformationMatrix.asMatrixProperty);
            vDir.normalize();
            babylonLight.direction = new[] { (float)vDir.x, (float)vDir.y, -(float)vDir.z };

            // Common fields
            babylonLight.intensity = mFnLight.intensity;
            babylonLight.diffuse   = mFnLight.lightDiffuse ? mFnLight.color.toArrayRGB() : new float[] { 0, 0, 0 };
            babylonLight.specular  = mFnLight.lightSpecular ? mFnLight.color.toArrayRGB() : new float[] { 0, 0, 0 };

            // Type
            switch (mFnLight.objectProperty.apiType)
            {
            case MFn.Type.kPointLight:
                babylonLight.type = 0;
                break;

            case MFn.Type.kSpotLight:
                MFnSpotLight mFnSpotLight = new MFnSpotLight(mFnLight.objectProperty);
                babylonLight.type     = 2;
                babylonLight.angle    = (float)mFnSpotLight.coneAngle;
                babylonLight.exponent = 1;

                if (mFnSpotLight.useDecayRegions)
                {
                    babylonLight.range = mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kThird);     // Max distance
                }
                break;

            case MFn.Type.kDirectionalLight:
                babylonLight.type = 1;
                break;

            case MFn.Type.kAmbientLight:
                babylonLight.type        = 3;
                babylonLight.groundColor = new float[] { 0, 0, 0 };

                // No emit diffuse /specular checkbox for ambient light
                babylonLight.diffuse  = mFnLight.color.toArrayRGB();
                babylonLight.specular = babylonLight.diffuse;

                // Direction
                vDir = new MVector(0, 1, 0);
                transformationMatrix = new MTransformationMatrix(mFnTransform.transformationMatrix);
                vDir = vDir.multiply(transformationMatrix.asMatrixProperty);
                vDir.normalize();
                babylonLight.direction = new[] { (float)vDir.x, (float)vDir.y, -(float)vDir.z };
                break;

            case MFn.Type.kAreaLight:
            case MFn.Type.kVolumeLight:
                RaiseError("Unsupported light type '" + mFnLight.objectProperty.apiType + "' for DAG path '" + mFnLight.fullPathName + "'. Light is ignored. Supported light types are: ambient, directional, point and spot.", 1);
                return(null);

            default:
                RaiseWarning("Unknown light type '" + mFnLight.objectProperty.apiType + "' for DAG path '" + mFnLight.fullPathName + "'. Light is ignored.", 1);
                return(null);
            }

            // TODO - Shadows

            //Variable declaration
            MStringArray  enlightedMeshesFullPathNames = new MStringArray();
            List <string> includeMeshesIds             = new List <string>();
            MStringArray  kTransMesh = new MStringArray();
            String        typeMesh   = null;
            MStringArray  UUIDMesh   = new MStringArray();

            //MEL Command that get the enlighted mesh for a given light
            MGlobal.executeCommand($@"lightlink -query -light {mFnTransform.fullPathName};", enlightedMeshesFullPathNames);

            //For each enlighted mesh
            foreach (String Mesh in enlightedMeshesFullPathNames)
            {
                //MEL Command use to get the type of each mesh
                typeMesh = MGlobal.executeCommandStringResult($@"nodeType -api {Mesh};");

                //We are targeting the type kMesh and not kTransform (for parenting)
                if (typeMesh == "kMesh")
                {
                    MGlobal.executeCommand($@"listRelatives -parent -fullPath {Mesh};", kTransMesh);

                    //And finally the MEL Command for the uuid of each mesh
                    MGlobal.executeCommand($@"ls -uuid {kTransMesh[0]};", UUIDMesh);
                    includeMeshesIds.Add(UUIDMesh[0]);
                }
            }

            babylonLight.includedOnlyMeshesIds = includeMeshesIds.ToArray();

            // Animations
            if (exportParameters.bakeAnimationFrames)
            {
                ExportNodeAnimationFrameByFrame(babylonLight, mFnTransform);
            }
            else
            {
                ExportNodeAnimation(babylonLight, mFnTransform);
            }

            babylonScene.LightsList.Add(babylonLight);

            return(babylonLight);
        }
Beispiel #9
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="mDagPath">DAG path to the transform above camera</param>
        /// <param name="babylonScene"></param>
        /// <returns></returns>
        private BabylonNode ExportCamera(MDagPath mDagPath, BabylonScene babylonScene)
        {
            RaiseMessage(mDagPath.partialPathName, 1);

            // Transform above camera
            MFnTransform mFnTransform = new MFnTransform(mDagPath);

            // Camera direct child of the transform
            MFnCamera mFnCamera = null;

            for (uint i = 0; i < mFnTransform.childCount; i++)
            {
                MObject childObject = mFnTransform.child(i);
                if (childObject.apiType == MFn.Type.kCamera)
                {
                    var _mFnCamera = new MFnCamera(childObject);
                    if (!_mFnCamera.isIntermediateObject)
                    {
                        mFnCamera = _mFnCamera;
                    }
                }
            }
            if (mFnCamera == null)
            {
                RaiseError("No camera found has child of " + mDagPath.fullPathName);
                return(null);
            }


            // --- prints ---
            #region prints

            RaiseVerbose("BabylonExporter.Camera | mFnCamera data", 2);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.eyePoint(MSpace.Space.kWorld).toString()=" + mFnCamera.eyePoint(MSpace.Space.kTransform).toString(), 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.viewDirection(MSpace.Space.kWorld).toString()=" + mFnCamera.viewDirection(MSpace.Space.kTransform).toString(), 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.upDirection(MSpace.Space.kWorld).toString()=" + mFnCamera.upDirection(MSpace.Space.kTransform).toString(), 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.rightDirection(MSpace.Space.kWorld).toString()=" + mFnCamera.rightDirection(MSpace.Space.kTransform).toString(), 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.centerOfInterestPoint(MSpace.Space.kWorld).toString()=" + mFnCamera.centerOfInterestPoint(MSpace.Space.kTransform).toString(), 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.centerOfInterest=" + mFnCamera.centerOfInterest, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.aspectRatio=" + mFnCamera.aspectRatio, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.horizontalFieldOfView=" + mFnCamera.horizontalFieldOfView, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.verticalFieldOfView=" + mFnCamera.verticalFieldOfView, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.horizontalFieldOfView / mFnCamera.verticalFieldOfView=" + mFnCamera.horizontalFieldOfView / mFnCamera.verticalFieldOfView, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.focalLength=" + mFnCamera.focalLength, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.nearFocusDistance=" + mFnCamera.nearFocusDistance, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.nearClippingPlane=" + mFnCamera.nearClippingPlane, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.unnormalizedNearClippingPlane=" + mFnCamera.unnormalizedNearClippingPlane, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.farFocusDistance=" + mFnCamera.farFocusDistance, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.farClippingPlane=" + mFnCamera.farClippingPlane, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.unnormalizedFarClippingPlane=" + mFnCamera.unnormalizedFarClippingPlane, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.isClippingPlanes=" + mFnCamera.isClippingPlanes, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.isIntermediateObject=" + mFnCamera.isIntermediateObject, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.focusDistance=" + mFnCamera.focusDistance, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.isStereo=" + mFnCamera.isStereo, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.eyeOffset=" + mFnCamera.eyeOffset, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.shutterAngle=" + mFnCamera.shutterAngle, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.isDepthOfField=" + mFnCamera.isDepthOfField, 3);
            RaiseVerbose("BabylonExporter.Camera | mFnCamera.renderPanZoom=" + mFnCamera.renderPanZoom, 3);

            Print(mFnTransform, 2, "Print ExportCamera mFnTransform");

            Print(mFnCamera, 2, "Print ExportCamera mFnCamera");

            #endregion

            if (IsCameraExportable(mFnCamera, mDagPath) == false)
            {
                return(null);
            }

            var babylonCamera = new BabylonCamera {
                name = mFnTransform.name, id = mFnTransform.uuid().asString()
            };

            // Hierarchy
            ExportHierarchy(babylonCamera, mFnTransform);

            // Position / rotation
            RaiseVerbose("BabylonExporter.Camera | ExportTransform", 2);
            float[] position           = null;
            float[] rotationQuaternion = null;
            float[] rotation           = null;
            float[] scaling            = null;
            GetTransform(mFnTransform, ref position, ref rotationQuaternion, ref rotation, ref scaling);
            babylonCamera.position = position;
            if (_exportQuaternionsInsteadOfEulers)
            {
                babylonCamera.rotationQuaternion = rotationQuaternion;
            }
            babylonCamera.rotation = rotation;

            // Field of view of babylon is the vertical one
            babylonCamera.fov = (float)mFnCamera.verticalFieldOfView;

            // Clipping planes
            babylonCamera.minZ = (float)mFnCamera.nearClippingPlane;
            babylonCamera.maxZ = (float)mFnCamera.farClippingPlane;
            // Constraints on near clipping plane
            if (babylonCamera.minZ == 0.0f)
            {
                babylonCamera.minZ = 0.1f;
            }

            // TODO - Retreive from Maya
            //// Type
            //babylonCamera.type = cameraNode.MaxNode.GetStringProperty("babylonjs_type", "FreeCamera");

            //// Control
            //babylonCamera.speed = cameraNode.MaxNode.GetFloatProperty("babylonjs_speed", 1.0f);
            //babylonCamera.inertia = cameraNode.MaxNode.GetFloatProperty("babylonjs_inertia", 0.9f);

            //// Collisions
            //babylonCamera.checkCollisions = cameraNode.MaxNode.GetBoolProperty("babylonjs_checkcollisions");
            //babylonCamera.applyGravity = cameraNode.MaxNode.GetBoolProperty("babylonjs_applygravity");
            //babylonCamera.ellipsoid = cameraNode.MaxNode.GetVector3Property("babylonjs_ellipsoid");

            // Target
            MFnTransform target            = null;
            MObject      cameraGroupObject = mFnCamera.findPlug("centerOfInterest").source.node;
            if (cameraGroupObject.apiType == MFn.Type.kLookAt)
            {
                MFnDependencyNode cameraGroup = new MFnDependencyNode(cameraGroupObject);

                // Retreive the camera aim transform
                MPlugArray connections = new MPlugArray();
                cameraGroup.getConnections(connections);
                foreach (MPlug connection in connections)
                {
                    if (connection.name.EndsWith("targetParentMatrix")) // ugly
                    {
                        MObject connectionSourceObject = connection.source.node;
                        target = new MFnTransform(connectionSourceObject);
                        break;
                    }
                }
            }
            if (target != null)
            {
                babylonCamera.lockedTargetId = target.uuid().asString();
            }

            //// TODO - Check if should be local or world
            //var vDir = new MVector(0, 0, -1);
            //var transformationMatrix = new MTransformationMatrix(mFnTransform.transformationMatrix);
            //vDir *= transformationMatrix.asMatrix(1);
            //vDir = vDir.Add(position);
            //babylonCamera.target = new[] { vDir.X, vDir.Y, vDir.Z };

            // Animations
            if (target == null)
            {
                ExportNodeAnimation(babylonCamera, mFnTransform);
            }
            else
            {
                ExportNodeAnimationFrameByFrame(babylonCamera, mFnTransform);
            }

            babylonScene.CamerasList.Add(babylonCamera);
            RaiseMessage("BabylonExporter.Camera | done", 2);

            return(babylonCamera);
        }
        /// <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);
        }
Beispiel #11
0
        public MFnMesh GetFirstMesh()
        {
               var selected = GetFirstSelectedMesh();

               MFnMesh mesh=null;
                // The reason why there might not be a selection is if some tool isn't closed
                // and prevent the previous selection command from going through
                if (selected != null)
                {
                    if (selected.node.apiTypeStr == "kMesh")
                    {
                        mesh = new MFnMesh(selected);
                          
                    }

                    if (selected.node.apiTypeStr == "kTransform")
                    {
                        MFnTransform trans = new MFnTransform(selected); 
                        mesh = new MFnMesh(trans.child(0)); 
                    }
                }

                return mesh;
        }
Beispiel #12
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="mDagPath">DAG path to the transform above light</param>
        /// <param name="babylonScene"></param>
        /// <returns></returns>
        private BabylonNode ExportLight(MDagPath mDagPath, BabylonScene babylonScene)
        {
            RaiseMessage(mDagPath.partialPathName, 1);

            // Transform above light
            MFnTransform mFnTransform = new MFnTransform(mDagPath);

            // Light direct child of the transform
            MFnLight mFnLight = null;

            for (uint i = 0; i < mFnTransform.childCount; i++)
            {
                MObject childObject = mFnTransform.child(i);
                if (childObject.hasFn(MFn.Type.kLight))
                {
                    mFnLight = new MFnLight(childObject);
                }
            }
            if (mFnLight == null)
            {
                RaiseError("No light found has child of " + mDagPath.fullPathName);
                return(null);
            }

            RaiseMessage("mFnLight.fullPathName=" + mFnLight.fullPathName, 2);


            // --- prints ---
            #region prints

            // MFnLight
            RaiseVerbose("BabylonExporter.Light | mFnLight data", 2);
            RaiseVerbose("BabylonExporter.Light | mFnLight.color.toString()=" + mFnLight.color.toString(), 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.intensity=" + mFnLight.intensity, 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.useRayTraceShadows=" + mFnLight.useRayTraceShadows, 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.shadowColor.toString()=" + mFnLight.shadowColor.toString(), 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.centerOfIllumination=" + mFnLight.centerOfIllumination, 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.numShadowSamples=" + mFnLight.numShadowSamples, 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.rayDepthLimit=" + mFnLight.rayDepthLimit, 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.opticalFXvisibility.toString()=" + mFnLight.opticalFXvisibility.toString(), 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.lightIntensity.toString()=" + mFnLight.lightIntensity.toString(), 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.instanceCount(true)=" + mFnLight.instanceCount(true), 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.lightDirection(0).toString()=" + mFnLight.lightDirection(0).toString(), 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.lightAmbient=" + mFnLight.lightAmbient, 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.lightDiffuse=" + mFnLight.lightDiffuse, 3);
            RaiseVerbose("BabylonExporter.Light | mFnLight.lightSpecular=" + mFnLight.lightSpecular, 3);

            switch (mFnLight.objectProperty.apiType)
            {
            case MFn.Type.kSpotLight:
                MFnSpotLight mFnSpotLight = new MFnSpotLight(mFnLight.objectProperty);
                // MFnNonAmbientLight
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.decayRate=" + mFnSpotLight.decayRate, 3);     // dropdown enum value
                // MFnNonExtendedLight
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.shadowRadius=" + mFnSpotLight.shadowRadius, 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.castSoftShadows=" + mFnSpotLight.castSoftShadows, 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.useDepthMapShadows=" + mFnSpotLight.useDepthMapShadows, 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.depthMapFilterSize()=" + mFnSpotLight.depthMapFilterSize(), 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.depthMapResolution()=" + mFnSpotLight.depthMapResolution(), 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.depthMapBias()=" + mFnSpotLight.depthMapBias(), 3);
                // MFnSpotLight
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.coneAngle=" + mFnSpotLight.coneAngle, 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.penumbraAngle=" + mFnSpotLight.penumbraAngle, 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.dropOff=" + mFnSpotLight.dropOff, 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.barnDoors=" + mFnSpotLight.barnDoors, 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.useDecayRegions=" + mFnSpotLight.useDecayRegions, 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kFirst)=" + mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kFirst), 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kFirst)=" + mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kFirst), 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kSecond)=" + mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kSecond), 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kSecond)=" + mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kSecond), 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kThird)=" + mFnSpotLight.startDistance(MFnSpotLight.MDecayRegion.kThird), 3);
                RaiseVerbose("BabylonExporter.Light | mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kThird)=" + mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kThird), 3);
                break;
            }

            #endregion

            if (IsLightExportable(mFnLight, mDagPath) == false)
            {
                return(null);
            }

            var babylonLight = new BabylonLight {
                name = mFnTransform.name, id = mFnTransform.uuid().asString()
            };

            // Hierarchy
            ExportHierarchy(babylonLight, mFnTransform);

            // Position
            RaiseVerbose("BabylonExporter.Light | ExportTransform", 2);
            float[] position = null;
            GetTransform(mFnTransform, ref position);
            babylonLight.position = position;

            // Direction
            var vDir = new MVector(0, 0, -1);
            var transformationMatrix = new MTransformationMatrix(mFnTransform.transformationMatrix);
            vDir = vDir.multiply(transformationMatrix.asMatrixProperty);
            vDir.normalize();
            babylonLight.direction = new[] { (float)vDir.x, (float)vDir.y, -(float)vDir.z };

            // Common fields
            babylonLight.intensity = mFnLight.intensity;

            babylonLight.diffuse  = mFnLight.lightDiffuse ? mFnLight.color.toArrayRGB() : new float[] { 0, 0, 0 };
            babylonLight.specular = mFnLight.lightSpecular ? mFnLight.color.toArrayRGB() : new float[] { 0, 0, 0 };

            // Type
            switch (mFnLight.objectProperty.apiType)
            {
            case MFn.Type.kPointLight:
                babylonLight.type = 0;
                break;

            case MFn.Type.kSpotLight:
                MFnSpotLight mFnSpotLight = new MFnSpotLight(mFnLight.objectProperty);
                babylonLight.type     = 2;
                babylonLight.angle    = (float)mFnSpotLight.coneAngle;
                babylonLight.exponent = 1;

                if (mFnSpotLight.useDecayRegions)
                {
                    babylonLight.range = mFnSpotLight.endDistance(MFnSpotLight.MDecayRegion.kThird);     // Max distance
                }
                break;

            case MFn.Type.kDirectionalLight:
                babylonLight.type = 1;
                break;

            case MFn.Type.kAmbientLight:
                babylonLight.type        = 3;
                babylonLight.groundColor = new float[] { 0, 0, 0 };
                break;

            case MFn.Type.kAreaLight:
            case MFn.Type.kVolumeLight:
                RaiseError("Unsupported light type '" + mFnLight.objectProperty.apiType + "' for DAG path '" + mFnLight.fullPathName + "'. Light is ignored. Supported light types are: ambient, directional, point and spot.");
                return(null);

            default:
                RaiseWarning("Unknown light type '" + mFnLight.objectProperty.apiType + "' for DAG path '" + mFnLight.fullPathName + "'. Light is ignored.");
                return(null);
            }

            // TODO - Shadows

            // TODO - Exclusion

            // TODO - Animations

            babylonScene.LightsList.Add(babylonLight);

            return(babylonLight);
        }
Beispiel #13
0
        /// <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)
                {
                    mFnMesh = new MFnMesh(childObject);
                }
            }
            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.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);
            };

            Action <MFnTransform> printMFnTransform = (MFnTransform _mFnMesh) =>
            {
                printMFnDagNode(mFnMesh);
            };

            RaiseVerbose("BabylonExporter.Mesh | mFnMesh data", 2);
            printMFnMesh(mFnMesh);

            RaiseVerbose("BabylonExporter.Mesh | mFnTransform data", 2);
            printMFnTransform(mFnTransform);

            //// 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);
            }

            // TODO - Material

            var vertices = new List <GlobalVertex>();
            var indices  = new List <int>();
            // TODO - UV, color, alpha
            //var mappingChannels = unskinnedMesh.ActiveMapChannelNum;
            //bool hasUV = false;
            //bool hasUV2 = false;
            //for (int i = 0; i < mappingChannels.Count; ++i)
            //{
            //    var indexer = i;
            //    var channelNum = mappingChannels[indexer];
            //    if (channelNum == 1)
            //    {
            //        hasUV = true;
            //    }
            //    else if (channelNum == 2)
            //    {
            //        hasUV2 = true;
            //    }
            //}
            //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, 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);
                }
            }

            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();

            babylonMesh.subMeshes = subMeshes.ToArray();

            // Buffers - Indices
            babylonMesh.indices = indices.ToArray();


            babylonScene.MeshesList.Add(babylonMesh);
            RaiseMessage("BabylonExporter.Mesh | done", 2);

            return(babylonMesh);
        }