gates = {"diode", "not", "nand", "and", "xor"} out = {x=1, y=0, z=0} inonerules = {{x=-1, y=0, z=0}} intworules = {{x=0, y=0, z=1},{x=0, y=0, z=-1}} onerules = inonerules table.insert(onerules, out) tworules = intworules table.insert(tworules, out) outrules = {} outrules = table.insert(outrules, out) for g in ipairs(gates) do gate = gates[g] if g < 3 then inrules = inonerules rules = onerules else inrules = intworules rules = tworules end for on=0,1 do if on == 1 then onoff = "on" groups = {dig_immediate=2, not_in_creative_inventory=1, mesecon = 3} drop = "mesecons_gates:"..gate.."_off" else onoff = "off" groups = {dig_immediate=2, mesecon = 3} drop = nodename end nodename = "mesecons_gates:"..gate.."_"..onoff minetest.register_node(nodename, { description = gate.." Gate", drawtype = "normal", tiles = { "jeija_gate_"..onoff..".png^".. "jeija_gate_"..gate..".png", }, walkable = true, on_construct = function(pos) update_gate(pos) end, groups = groups, drop = drop, }) mesecon:register_effector(nodename, nodename, inrules) end end function get_gate(pos) string = minetest.env:get_node(pos).name string = string.gsub(string, "mesecons_gates:", "") --gate string = string.gsub(string, "_on", "") string = string.gsub(string, "_off", "") return string end function gate_state(pos) name = minetest.env:get_node(pos).name if string.find(name, "off")~=nil then return false else return true end end function set_gate(pos, on) gate = get_gate(pos) local rules = {{x=1, y=0, z=0}} if on then if not gate_state(pos) then minetest.env:add_node(pos, {name="mesecons_gates:"..gate.."_on"}) mesecon:receptor_on(pos, rules) end else if gate_state(pos) then minetest.env:add_node(pos, {name="mesecons_gates:"..gate.."_off"}) mesecon:receptor_off(pos, rules) end end end function update_gate(pos) gate = get_gate(pos) L = yc_get_real_portstates(pos) if gate == "diode" then set_gate(pos, L.a) elseif gate == "not" then set_gate(pos, not L.a) elseif gate == "nand" then set_gate(pos, not(L.b and L.d)) elseif gate == "and" then set_gate(pos, L.b and L.d) else--if gate == "xor" then set_gate(pos, (L.b and not L.d) or (not L.b and L.d)) end end mesecon:register_on_signal_change(function(pos,node) if string.find(node.name, "mesecons_gates:")~=nil then update_gate(pos) end end)