function normal (shader, t_base, t_second, t_detail) shader:begin ("accum_volumetric", "accum_volumetric") : fog (false) : zb (true,false) : blend (true,blend.one,blend.one) : sorting (2, false) shader:dx10texture ("s_lmap", t_base) shader:dx10texture ("s_smap", "null") shader:dx10texture ("s_position", "$user$position") shader:dx10sampler ("smp_rtlinear") shader:dx10sampler ("smp_smap") shader:dx10sampler ("smp_jitter") end