Exemplo n.º 1
0
        public void GetVerticeSelected()
        {
            var selected = MGlobal.activeSelectionList;
            var it       = new MItSelectionList(selected, MFn.Type.kMeshVertComponent);

            MObject vertice = new MObject();

            for (; !it.isDone; it.next())
            {
                var path = new MDagPath();
                it.getDagPath(path, vertice);
                MGlobal.displayInfo(path.fullPathName);

                if (!vertice.isNull)
                {
                    MItMeshVertex itvertex = new MItMeshVertex(path, vertice);

                    for (; !itvertex.isDone; itvertex.next())
                    {
                        int index = itvertex.index();

                        MGlobal.displayInfo(index.ToString() + "\n");
                    }
                }
            }
        }
Exemplo n.º 2
0
        public void UpdateMeshSelection(TriMesh mesh)
        {
            var selected = MGlobal.activeSelectionList;
            var it       = new MItSelectionList(selected, MFn.Type.kMeshVertComponent);

            MObject vertice = new MObject();

            for (; !it.isDone; it.next())
            {
                var path = new MDagPath();
                it.getDagPath(path, vertice);
                MGlobal.displayInfo(path.fullPathName);

                if (!vertice.isNull)
                {
                    MItMeshVertex itvertex = new MItMeshVertex(path, vertice);

                    for (; !itvertex.isDone; itvertex.next())
                    {
                        int index = itvertex.index();

                        mesh.Vertices[index].Traits.SelectedFlag = 1;
                    }
                }
            }

            TriMeshUtil.GroupVertice(mesh);
        }
Exemplo n.º 3
0
        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");
        }
Exemplo n.º 4
0
        public int[] SetFromSelection(MSelectionList selected = null)
        {
            selectedIndicesList.Clear();
            if (selected == null)
            {
                //
                selected = BasicFunc.GetSelectedList();
            }

            //List<MVector> positions = new List<MVector>();
            MItSelectionList it_selectionList = new MItSelectionList(selected);

            for (; !it_selectionList.isDone; it_selectionList.next())
            {
                MObject  component = new MObject();
                MDagPath item      = new MDagPath();
                it_selectionList.getDagPath(item, component);

                List <int>   selectedIndcies = new List <int>();
                Action <int> xx = (indice) => { selectedIndcies.Add(indice); };

                switch (selectType)
                {
                case SelectType.Edge:
                {
                    MItMeshEdge it_edges = new MItMeshEdge(item, component);
                    for (; !it_edges.isDone; it_edges.next())
                    {
                        selectedIndcies.Add(it_edges.index(0));
                        selectedIndcies.Add(it_edges.index(1));
                    }
                    break;
                }

                case SelectType.Face:
                {
                    MItMeshPolygon it_poly = new MItMeshPolygon(item, component);

                    for (; !it_poly.isDone; it_poly.next())
                    {
                        selectedIndcies.Add((int)it_poly.index());
                    }

                    break;
                }

                case SelectType.Vert:
                {
                    MItMeshVertex it_verts = new MItMeshVertex(item, component);

                    for (; !it_verts.isDone; it_verts.next())
                    {
                        selectedIndcies.Add(it_verts.index());
                    }

                    break;
                }
                }

                selectedIndicesList.Add(selectedIndcies.ToArray());
            }
            int[] resultCount = new int[selectedIndicesList.Count];
            for (int i = 0; i < resultCount.Length; i++)
            {
                resultCount[i] = selectedIndicesList[i].Length;
            }
            return(resultCount);
        }
Exemplo n.º 5
0
       public void GetVerticeSelected()
       { 
           var selected = MGlobal.activeSelectionList;
           var it = new MItSelectionList(selected,MFn.Type.kMeshVertComponent);

           MObject vertice=new MObject();
           for(; !it.isDone; it.next())
		   {
             
                var path = new MDagPath();
                it.getDagPath(path,vertice);
                MGlobal.displayInfo(path.fullPathName);

                if (!vertice.isNull)
                {

                    MItMeshVertex itvertex = new MItMeshVertex(path, vertice);

                    for (; !itvertex.isDone; itvertex.next())
                    {
                           int index=  itvertex.index();

                           MGlobal.displayInfo(index.ToString()+"\n");
                    }

                } 

           }
           
       }
Exemplo n.º 6
0
        public void UpdateMeshSelection(TriMesh mesh)
        {
            var selected = MGlobal.activeSelectionList;
            var it = new MItSelectionList(selected, MFn.Type.kMeshVertComponent);

            MObject vertice = new MObject();
            for (; !it.isDone; it.next())
            {

                var path = new MDagPath();
                it.getDagPath(path, vertice);
                MGlobal.displayInfo(path.fullPathName);

                if (!vertice.isNull)
                {

                    MItMeshVertex itvertex = new MItMeshVertex(path, vertice);

                    for (; !itvertex.isDone; itvertex.next())
                    {
                        int index = itvertex.index();

                        mesh.Vertices[index].Traits.SelectedFlag = 1;
                    }

                }

            }

            TriMeshUtil.GroupVertice(mesh);

        }