private static void SaveMesh(Mesh mesh, Mesh newMesh, BlendShapeLogic blendShapeLabel) { // save mesh as asset var assetPath = string.Format("{0}{1}", Path.GetFileNameWithoutExtension(mesh.name), ASSET_SUFFIX); Debug.Log(assetPath); if (!string.IsNullOrEmpty((AssetDatabase.GetAssetPath(mesh)))) { var directory = Path.GetDirectoryName(AssetDatabase.GetAssetPath(mesh)).Replace("\\", "/"); assetPath = string.Format("{0}/{1}{2}", directory, Path.GetFileNameWithoutExtension(mesh.name) + "_" + blendShapeLabel.ToString(), ASSET_SUFFIX); } else { assetPath = string.Format("Assets/{0}{1}", Path.GetFileNameWithoutExtension(mesh.name) + "_" + blendShapeLabel.ToString(), ASSET_SUFFIX); } Debug.LogFormat("CreateAsset: {0}", assetPath); AssetDatabase.CreateAsset(newMesh, assetPath); }
private static void BuildNewMesh(SkinnedMeshRenderer skinnedMeshRenderer, Dictionary <int, int> newIndexLookUpDict, Dictionary <int, int[]> subMeshes, BlendShapeLogic blendShapeLabel) { // get original mesh data var materialList = new List <Material>(); skinnedMeshRenderer.GetSharedMaterials(materialList); var mesh = skinnedMeshRenderer.sharedMesh; var meshVertices = mesh.vertices; var meshNormals = mesh.normals; var meshTangents = mesh.tangents; var meshColors = mesh.colors; var meshBoneWeights = mesh.boneWeights; var meshUVs = mesh.uv; // build new mesh var materialListNew = new List <Material>(); var newMesh = new Mesh(); if (mesh.vertexCount > ushort.MaxValue) { #if UNITY_2017_3_OR_NEWER Debug.LogFormat("exceed 65535 vertices: {0}", mesh.vertexCount); newMesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32; #else throw new NotImplementedException(String.Format("exceed 65535 vertices: {0}", integrator.Positions.Count.ToString())); #endif } var newDataLength = newIndexLookUpDict.Count; var newIndexLookUp = newIndexLookUpDict.Keys.ToArray(); newMesh.vertices = newIndexLookUp.Select(x => meshVertices[x]).ToArray(); if (meshNormals.Length > 0) { newMesh.normals = newIndexLookUp.Select(x => meshNormals[x]).ToArray(); } if (meshTangents.Length > 0) { newMesh.tangents = newIndexLookUp.Select(x => meshTangents[x]).ToArray(); } if (meshColors.Length > 0) { newMesh.colors = newIndexLookUp.Select(x => meshColors[x]).ToArray(); } if (meshBoneWeights.Length > 0) { newMesh.boneWeights = newIndexLookUp.Select(x => meshBoneWeights[x]).ToArray(); } if (meshUVs.Length > 0) { newMesh.uv = newIndexLookUp.Select(x => meshUVs[x]).ToArray(); } newMesh.bindposes = mesh.bindposes; // add BlendShape data if (blendShapeLabel == BlendShapeLogic.WithBlendShape) { for (int i = 0; i < mesh.blendShapeCount; i++) { // get original BlendShape data var srcVertices = new Vector3[mesh.vertexCount]; var srcNormals = new Vector3[mesh.vertexCount]; var srcTangents = new Vector3[mesh.vertexCount]; mesh.GetBlendShapeFrameVertices(i, 0, srcVertices, srcNormals, srcTangents); // declare the size for the destination array var dstVertices = new Vector3[newDataLength]; var dstNormals = new Vector3[newDataLength]; var dstTangents = new Vector3[newDataLength]; dstVertices = newIndexLookUp.Select(x => srcVertices[x]).ToArray(); dstNormals = newIndexLookUp.Select(x => srcNormals[x]).ToArray(); dstTangents = newIndexLookUp.Select(x => srcTangents[x]).ToArray(); newMesh.AddBlendShapeFrame(mesh.GetBlendShapeName(i), mesh.GetBlendShapeFrameWeight(i, 0), dstVertices, dstNormals, dstTangents); } } newMesh.subMeshCount = subMeshes.Count; var cosMaterialIndex = subMeshes.Keys.ToArray(); // build material list for (int i = 0; i < subMeshes.Count; i++) { newMesh.SetTriangles(subMeshes[cosMaterialIndex[i]], i); materialListNew.Add(materialList[cosMaterialIndex[i]]); } skinnedMeshRenderer.sharedMaterials = materialListNew.ToArray(); skinnedMeshRenderer.sharedMesh = newMesh; }
private static void BuildNewMesh(SkinnedMeshRenderer skinnedMeshRenderer, Dictionary <int, int> newIndexLookUpDict, Dictionary <int, int[]> subMeshes, BlendShapeLogic blendShapeLabel) { // get original mesh data var materialList = new List <Material>(); skinnedMeshRenderer.GetSharedMaterials(materialList); var mesh = skinnedMeshRenderer.sharedMesh; var meshVertices = mesh.vertices; var meshNormals = mesh.normals; var meshTangents = mesh.tangents; var meshColors = mesh.colors; var meshBoneWeights = mesh.boneWeights; var meshUVs = mesh.uv; // build new mesh var materialListNew = new List <Material>(); var newMesh = new Mesh(); if (mesh.vertexCount > ushort.MaxValue) { #if UNITY_2017_3_OR_NEWER Debug.LogFormat("exceed 65535 vertices: {0}", mesh.vertexCount); newMesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32; #else throw new NotImplementedException(String.Format("exceed 65535 vertices: {0}", integrator.Positions.Count.ToString())); #endif } var newDataLength = newIndexLookUpDict.Count; var newIndexLookUp = newIndexLookUpDict.Keys.ToArray(); newMesh.vertices = newIndexLookUp.Select(x => meshVertices[x]).ToArray(); if (meshNormals.Length > 0) { newMesh.normals = newIndexLookUp.Select(x => meshNormals[x]).ToArray(); } if (meshTangents.Length > 0) { newMesh.tangents = newIndexLookUp.Select(x => meshTangents[x]).ToArray(); } if (meshColors.Length > 0) { newMesh.colors = newIndexLookUp.Select(x => meshColors[x]).ToArray(); } if (meshBoneWeights.Length > 0) { newMesh.boneWeights = newIndexLookUp.Select(x => meshBoneWeights[x]).ToArray(); } if (meshUVs.Length > 0) { newMesh.uv = newIndexLookUp.Select(x => meshUVs[x]).ToArray(); } newMesh.bindposes = mesh.bindposes; // add BlendShape data if (blendShapeLabel == BlendShapeLogic.WithBlendShape) { for (int i = 0; i < mesh.blendShapeCount; i++) { // get original BlendShape data var srcVertices = new Vector3[mesh.vertexCount]; var srcNormals = new Vector3[mesh.vertexCount]; var srcTangents = new Vector3[mesh.vertexCount]; mesh.GetBlendShapeFrameVertices(i, 0, srcVertices, srcNormals, srcTangents); // declare the size for the destination array var dstVertices = new Vector3[newDataLength]; var dstNormals = new Vector3[newDataLength]; var dstTangents = new Vector3[newDataLength]; dstVertices = newIndexLookUp.Select(x => srcVertices[x]).ToArray(); dstNormals = newIndexLookUp.Select(x => srcNormals[x]).ToArray(); dstTangents = newIndexLookUp.Select(x => srcTangents[x]).ToArray(); newMesh.AddBlendShapeFrame(mesh.GetBlendShapeName(i), mesh.GetBlendShapeFrameWeight(i, 0), dstVertices, dstNormals, dstTangents); } } newMesh.subMeshCount = subMeshes.Count; var cosMaterialIndex = subMeshes.Keys.ToArray(); // build material list for (int i = 0; i < subMeshes.Count; i++) { newMesh.SetTriangles(subMeshes[cosMaterialIndex[i]], i); materialListNew.Add(materialList[cosMaterialIndex[i]]); } skinnedMeshRenderer.sharedMaterials = materialListNew.ToArray(); skinnedMeshRenderer.sharedMesh = newMesh; // save mesh as asset var assetPath = string.Format("{0}{1}", Path.GetFileNameWithoutExtension(mesh.name), ASSET_SUFFIX); Debug.Log(assetPath); if (!string.IsNullOrEmpty((AssetDatabase.GetAssetPath(mesh)))) { var directory = Path.GetDirectoryName(AssetDatabase.GetAssetPath(mesh)).Replace("\\", "/"); assetPath = string.Format("{0}/{1}{2}", directory, Path.GetFileNameWithoutExtension(mesh.name) + "_" + blendShapeLabel.ToString(), ASSET_SUFFIX); } else { assetPath = string.Format("Assets/{0}{1}", Path.GetFileNameWithoutExtension(mesh.name) + "_" + blendShapeLabel.ToString(), ASSET_SUFFIX); } Debug.LogFormat("CreateAsset: {0}", assetPath); AssetDatabase.CreateAsset(newMesh, assetPath); }