UnityEditor.ClothInspector.GenerateSelectionMesh C# (CSharp) Method

        private void GenerateSelectionMesh()
        {
            SkinnedMeshRenderer component = this.cloth.GetComponent<SkinnedMeshRenderer>();
            Vector3[] vertices = this.cloth.vertices;
            int length = vertices.Length;
            this.m_Selection = new bool[vertices.Length];
            this.m_RectSelection = new bool[vertices.Length];
            if (this.m_SelectionMesh != null)
            {
                foreach (Mesh mesh in this.m_SelectionMesh)
                {
                    Object.DestroyImmediate(mesh);
                }
                foreach (Mesh mesh2 in this.m_SelectedMesh)
                {
                    Object.DestroyImmediate(mesh2);
                }
            }
            int num4 = (length / s_MaxVertices) + 1;
            this.m_SelectionMesh = new Mesh[num4];
            this.m_SelectedMesh = new Mesh[num4];
            this.m_LastVertices = new Vector3[length];
            this.m_MeshVerticesPerSelectionVertex = this.m_VertexMesh.vertices.Length;
            Transform actualRootBone = component.actualRootBone;
            for (int i = 0; i < num4; i++)
            {
                this.m_SelectionMesh[i] = new Mesh();
                Mesh mesh1 = this.m_SelectionMesh[i];
                mesh1.hideFlags |= HideFlags.DontSave;
                this.m_SelectedMesh[i] = new Mesh();
                Mesh mesh3 = this.m_SelectedMesh[i];
                mesh3.hideFlags |= HideFlags.DontSave;
                int num6 = length - (i * s_MaxVertices);
                if (num6 > s_MaxVertices)
                {
                    num6 = s_MaxVertices;
                }
                CombineInstance[] combine = new CombineInstance[num6];
                int num7 = i * s_MaxVertices;
                for (int j = 0; j < num6; j++)
                {
                    this.m_LastVertices[num7 + j] = ((Vector3) (actualRootBone.rotation * vertices[num7 + j])) + actualRootBone.position;
                    combine[j].mesh = this.m_VertexMesh;
                    combine[j].transform = Matrix4x4.TRS(this.m_LastVertices[num7 + j], Quaternion.identity, Vector3.one);
                }
                this.m_SelectionMesh[i].CombineMeshes(combine);
                for (int k = 0; k < num6; k++)
                {
                    combine[k].mesh = this.m_VertexMeshSelected;
                }
                this.m_SelectedMesh[i].CombineMeshes(combine);
            }
            this.SetupSelectionMeshColors();
        }