material wheat_material { receive_shadows on technique { pass { cull_hardware none alpha_rejection greater_equal 128.0 diffuse 1.0 1.0 1.0 texture_unit { texture wheat_green.png tex_address_mode wrap filtering trilinear } } } } material wheat_material_ripe { receive_shadows on technique { pass { cull_hardware none alpha_rejection greater_equal 128.0 diffuse 1.0 1.0 1.0 texture_unit { texture wheat.png tex_address_mode wrap filtering trilinear } } } }