+void setMeshColorByNormal(scene::IMesh *mesh, const v3f &normal,
+ const video::SColor &color);
+
+/*
+ Rotate the mesh by 6d facedir value.
+ Method only for meshnodes, not suitable for entities.
+*/
+void rotateMeshBy6dFacedir(scene::IMesh *mesh, int facedir);
+
+/*
+ Rotate the mesh around the axis and given angle in degrees.
+*/
+void rotateMeshXYby (scene::IMesh *mesh, f64 degrees);
+void rotateMeshXZby (scene::IMesh *mesh, f64 degrees);
+void rotateMeshYZby (scene::IMesh *mesh, f64 degrees);
+
+/*
+ * Clone the mesh buffer.
+ * The returned pointer should be dropped.
+ */
+scene::IMeshBuffer* cloneMeshBuffer(scene::IMeshBuffer *mesh_buffer);
+
+/*
+ Clone the mesh.
+*/
+scene::SMesh* cloneMesh(scene::IMesh *src_mesh);
+
+/*
+ Convert nodeboxes to mesh. Each tile goes into a different buffer.
+ boxes - set of nodeboxes to be converted into cuboids
+ uv_coords[24] - table of texture uv coords for each cuboid face
+ expand - factor by which cuboids will be resized
+*/
+scene::IMesh* convertNodeboxesToMesh(const std::vector<aabb3f> &boxes,
+ const f32 *uv_coords = NULL, float expand = 0);
+
+/*
+ Update bounding box for a mesh.
+*/
+void recalculateBoundingBox(scene::IMesh *src_mesh);
+