static public MeshMaterialData Get(Mesh meshToGetMaterialDataFor) { MeshMaterialData plugin; meshsWithMaterialData.TryGetValue(meshToGetMaterialDataFor, out plugin); if (plugin == null) { MeshMaterialData newPlugin = new MeshMaterialData(); meshsWithMaterialData.Add(meshToGetMaterialDataFor, newPlugin); return newPlugin; } return plugin; }
static public MeshMaterialData Get(Mesh meshToGetMaterialDataFor) { MeshMaterialData plugin; meshsWithMaterialData.TryGetValue(meshToGetMaterialDataFor, out plugin); if (plugin == null) { MeshMaterialData newPlugin = new MeshMaterialData(); meshsWithMaterialData.Add(meshToGetMaterialDataFor, newPlugin); return(newPlugin); } return(plugin); }
public static Mesh Copy(Mesh meshToCopy, ReportProgressRatio progress = null) { Mesh newMesh = new Mesh(); if (meshToCopy.Vertices.IsSorted) { Dictionary <Vertex, int> vertexIndexDictionary = GetVertexToIndexDictionary(meshToCopy, newMesh); Dictionary <MeshEdge, int> meshEdgeIndexDictionary = GetMeshEdgeToIndexDictionary(meshToCopy, newMesh); for (int faceIndex = 0; faceIndex < meshToCopy.Faces.Count; faceIndex++) { Face faceToCopy = meshToCopy.Faces[faceIndex]; newMesh.Faces.Add(new Face()); } // now set all the data for the new mesh newMesh.Vertices.Capacity = meshToCopy.Vertices.Capacity; for (int vertexIndex = 0; vertexIndex < meshToCopy.Vertices.Count; vertexIndex++) { Vertex vertexToCopy = meshToCopy.Vertices[vertexIndex]; // !!!! ON ERROR !!!!! If this throws an error, you likely need to CleanAndMergMesh the mesh before copying int indexOfFirstMeshEdge = meshEdgeIndexDictionary[vertexToCopy.firstMeshEdge]; Vertex newVertex = newMesh.Vertices[vertexIndex]; newVertex.firstMeshEdge = newMesh.MeshEdges[indexOfFirstMeshEdge]; newVertex.Normal = vertexToCopy.Normal; } newMesh.MeshEdges.Capacity = meshToCopy.MeshEdges.Capacity; for (int meshEdgeIndex = 0; meshEdgeIndex < meshToCopy.MeshEdges.Count; meshEdgeIndex++) { MeshEdge meshEdgeToCopy = meshToCopy.MeshEdges[meshEdgeIndex]; MeshEdge newMeshEdge = newMesh.MeshEdges[meshEdgeIndex]; newMeshEdge.NextMeshEdgeFromEnd[0] = newMesh.MeshEdges[meshEdgeIndexDictionary[meshEdgeToCopy.NextMeshEdgeFromEnd[0]]]; newMeshEdge.NextMeshEdgeFromEnd[1] = newMesh.MeshEdges[meshEdgeIndexDictionary[meshEdgeToCopy.NextMeshEdgeFromEnd[1]]]; newMeshEdge.VertexOnEnd[0] = newMesh.Vertices[vertexIndexDictionary[meshEdgeToCopy.VertexOnEnd[0]]]; newMeshEdge.VertexOnEnd[1] = newMesh.Vertices[vertexIndexDictionary[meshEdgeToCopy.VertexOnEnd[1]]]; // This will get hooked up when we create radial loops with the face edges below //newMeshEdge.firstFaceEdge; //newMesh.MeshEdges.Add(newMeshEdge); } newMesh.Faces.Capacity = meshToCopy.Faces.Capacity; for (int faceIndex = 0; faceIndex < meshToCopy.faces.Count; faceIndex++) { Face faceToCopy = meshToCopy.faces[faceIndex]; Face newface = newMesh.faces[faceIndex]; newface.normal = faceToCopy.normal; // hook up the face edges //public FaceEdge firstFaceEdge; List <Vertex> verticesFromCopy = new List <Vertex>(); List <Vertex> verticesForNew = new List <Vertex>(); foreach (Vertex vertex in faceToCopy.Vertices()) { verticesFromCopy.Add(vertex); verticesForNew.Add(newMesh.Vertices[vertexIndexDictionary[vertex]]); } List <MeshEdge> edgesFromCopy = new List <MeshEdge>(); List <MeshEdge> edgesForNew = new List <MeshEdge>(); for (int i = 0; i < verticesForNew.Count - 1; i++) { MeshEdge meshEdgeFromCopy = verticesFromCopy[i].GetMeshEdgeConnectedToVertex(verticesFromCopy[i + 1]); edgesFromCopy.Add(meshEdgeFromCopy); edgesForNew.Add(newMesh.MeshEdges[meshEdgeIndexDictionary[meshEdgeFromCopy]]); } MeshEdge lastMeshEdgeFromCopy = verticesFromCopy[verticesFromCopy.Count - 1].GetMeshEdgeConnectedToVertex(verticesFromCopy[0]); edgesFromCopy.Add(lastMeshEdgeFromCopy); edgesForNew.Add(newMesh.MeshEdges[meshEdgeIndexDictionary[lastMeshEdgeFromCopy]]); CreateFaceEdges(verticesForNew.ToArray(), edgesForNew, newface); } } else { foreach (Face face in meshToCopy.Faces) { List <Vertex> faceVertices = new List <Vertex>(); foreach (FaceEdge faceEdgeToAdd in face.FaceEdges()) { Vertex newVertex = newMesh.CreateVertex(faceEdgeToAdd.firstVertex.Position, CreateOption.CreateNew, SortOption.WillSortLater); faceVertices.Add(newVertex); } newMesh.CreateFace(faceVertices.ToArray(), CreateOption.CreateNew); } newMesh.CleanAndMergMesh(); } MeshMaterialData materialDataToCopy = MeshMaterialData.Get(meshToCopy); MeshMaterialData newMaterialData = MeshMaterialData.Get(newMesh); newMaterialData.MaterialIndex = materialDataToCopy.MaterialIndex; return(newMesh); }