MoreMesecons/moremesecons_conductor_signalchanger/init.lua

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local nodebox = {
type = "fixed",
fixed = {{-8/16, -8/16, -8/16, 8/16, -7/16, 8/16 }},
}
local function signalchanger_get_output_rules(node)
local rules = {{x=-1, y=0, z=0}}
for i = 0, node.param2 do
rules = mesecon.rotate_rules_left(rules)
end
return rules
end
local function signalchanger_get_input_rules(node)
local rules = {{x=0, y=0, z=-1, name="input_on"}, {x=0, y=0, z=1, name="input_off"}, {x=1, y=0, z=0, name="input_signal"}}
for i = 0, node.param2 do
rules = mesecon.rotate_rules_left(rules)
end
return rules
end
local update = function(pos, node, link, newstate)
local meta = minetest.get_meta(pos)
meta:set_int(link.name, newstate == "on" and 1 or 0)
local input_on = meta:get_int("input_on") == 1
local input_off = meta:get_int("input_off") == 1
local input_signal = meta:get_int("input_signal") == 1
if input_on then
minetest.swap_node(pos, {name = "moremesecons_conductor_signalchanger:conductor_signalchanger_on", param2 = node.param2})
elseif input_off then
mesecon.receptor_off(pos, signalchanger_get_output_rules(node))
minetest.swap_node(pos, {name = "moremesecons_conductor_signalchanger:conductor_signalchanger_off", param2 = node.param2})
end
if input_signal and minetest.get_node(pos).name == "moremesecons_conductor_signalchanger:conductor_signalchanger_on" then -- Note : we must use "minetest.get_node(pos)" and not "node" because the node may have been changed
mesecon.receptor_on(pos, signalchanger_get_output_rules(node))
else
mesecon.receptor_off(pos, signalchanger_get_output_rules(node))
end
end
mesecon.register_node("moremesecons_conductor_signalchanger:conductor_signalchanger", {
description = "Conductor Signal Changer",
inventory_image = "moremesecons_conductor_signalchanger_off.png",
groups = {dig_immediate = 2},
paramtype = "light",
paramtype2 = "facedir",
drawtype = "nodebox",
selection_box = nodebox,
node_box = nodebox,
},{
groups = {dig_immediate = 2},
mesecons = {
receptor = {
rules = signalchanger_get_output_rules
},
effector = {
rules = signalchanger_get_input_rules,
action_change = update
},
},
tiles = {"moremesecons_conductor_signalchanger_off.png"},
},{
groups = {dig_immediate = 2, not_in_creative_inventory = 1},
mesecons = {
receptor = {
rules = signalchanger_get_output_rules,
},
effector = {
rules = signalchanger_get_input_rules,
action_change = update,
},
},
tiles = {"moremesecons_conductor_signalchanger_on.png"},
})
minetest.register_craft({
output = "moremesecons_conductor_signalchanger:conductor_signalchanger_off",
recipe = {{"group:mesecon_conductor_craftable","moremesecons_signalchanger:signalchanger_off"}}
})