public static void SplitVertices (Mesh mesh)
    {
        var vertices = mesh.vertices.ToList();
        var vCnt = vertices.Count;
        if(vCnt == 0)
            return;

        var uvs = mesh.uv.ToList();
        var colors = mesh.colors.ToList();
        var tangents = mesh.tangents.ToList();

        var hasUvs      = vCnt == uvs.Count;
        var hasColors   = vCnt == colors.Count;
        var hasTangents = vCnt == tangents.Count;

        var unique = new HashSet<int>();
        var allTriangles = new List<int[]>();

        var submeshes = mesh.subMeshCount;

        for(int s = 0; s < submeshes; s++)
        {
            var triangles = mesh.GetTriangles(s);
            int tCnt = triangles.Length;
            int index;
            for(int t = 0; t < tCnt; t++)
            {
                index = triangles[t];
                if(unique.Contains(index))
                {
                    vertices.Add(vertices[index]);
                    if(hasUvs)
                        uvs.Add(uvs[index]);
                    if(hasColors)
                        colors.Add(colors[index]);
                    if(hasTangents)
                        tangents.Add(tangents[index]);

                    triangles[t] = vertices.Count - 1;
                }
                else
                    unique.Add(index);
            }

            allTriangles.Add(triangles);
        }

        mesh.SetVertices(vertices);
        for(int s = 0; s < submeshes; s++)
            mesh.SetTriangles(allTriangles[s], s);

        if(hasUvs)
            mesh.SetUVs(0, uvs);
        if(hasColors)
            mesh.SetColors(colors);
        if(hasTangents)
            mesh.SetTangents(tangents);
    }