Someone

material normal_map_multilight
{
 	technique
	{
		pass ambient
		{
            ambient 1 1 1
            diffuse 0 0 0
            specular 0 0 0 0

            vertex_program_ref ambient_one_texture
            {
				param_named_auto worldViewProj worldviewproj_matrix
				param_named_auto ambient ambient_light_colour
            }
		}


		pass perlight
		{
		    ambient 0 0 0
            iteration once_per_light
		    scene_blend add

			fragment_program_ref cgbump_vp
			{
                param_named_auto lightPosition light_position_object_space 0
				param_named_auto worldViewProj worldviewproj_matrix
			}
			fragment_program_ref cgbump_fp
			{
			    param_named_auto lightDiffuse light_diffuse_colour 0
			}

            // Add this to child material:
			//texture_unit normalmap
            //{
            //	texture arena_bump.jpg
            //	colour_op replace
            //}
		}

        pass decal
		{
            lighting off
            scene_blend dest_colour zero

            vertex_program_ref ambient_one_texture
            {
				param_named_auto worldViewProj worldviewproj_matrix
				param_named ambient float4 1 1 1 1
            }

            // Add this to child material:
            //texture_unit detail
            //{
            //  texture arena.jpg
            //}
		}

	}
}