MineClone2/mods/ITEMS/REDSTONE/mesecons_delayer/init.lua

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-- Function that get the input/output rules of the delayer
local delayer_get_output_rules = function(node)
local rules = {{x = -1, y = 0, z = 0, spread=true}}
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for i = 0, node.param2 do
rules = mesecon.rotate_rules_left(rules)
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end
return rules
end
local delayer_get_input_rules = function(node)
local rules = {{x = 1, y = 0, z = 0}}
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for i = 0, node.param2 do
rules = mesecon.rotate_rules_left(rules)
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end
return rules
end
-- Return the sides of a delayer.
-- Those are used to toggle the lock state.
local delayer_get_sides = function(node)
local rules = {
{x = 0, y = 0, z = -1},
{x = 0, y = 0, z = 1},
}
for i = 0, node.param2 do
rules = mesecon.rotate_rules_left(rules)
end
return rules
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end
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local check_lock_repeater = function(pos, node)
-- Check the repeater at pos and look if there is
-- a repeater in its facing direction and sideways.
-- If yes, lock the second repeater.
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local r = delayer_get_output_rules(node)[1]
local lpos = vector.add(pos, r)
local lnode = minetest.get_node(lpos)
local ldef = minetest.registered_nodes[lnode.name]
local g = minetest.get_item_group(lnode.name, "redstone_repeater")
if g >= 1 and g <= 4 then
local lrs = delayer_get_input_rules(lnode)
local fail = false
for _, lr in pairs(lrs) do
if lr.x == r.x or lr.z == r.z then
fail = true
break
end
end
if not fail then
minetest.swap_node(lpos, {name=ldef.delayer_lockstate, param2=lnode.param2})
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return true
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end
end
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return false
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end
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local check_unlock_repeater = function(pos, node)
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-- Unlock repeater
local r = delayer_get_output_rules(node)[1]
local lpos = vector.add(pos, r)
local lnode = minetest.get_node(lpos)
local ldef = minetest.registered_nodes[lnode.name]
local g = minetest.get_item_group(lnode.name, "redstone_repeater")
if g == 5 then
local lrs = delayer_get_input_rules(lnode)
local fail = false
for _, lr in pairs(lrs) do
if lr.x == r.x or lr.z == r.z then
fail = true
break
end
end
if not fail then
if mesecon.is_powered(lpos, delayer_get_input_rules(lnode)[1]) then
minetest.swap_node(lpos, {name="mesecons_delayer:delayer_on_1", param2=lnode.param2})
mesecon.queue:add_action(lpos, "receptor_on", {delayer_get_output_rules(lnode)}, ldef.delayer_time, nil)
else
minetest.swap_node(lpos, {name="mesecons_delayer:delayer_off_1", param2=lnode.param2})
mesecon.queue:add_action(lpos, "receptor_off", {delayer_get_output_rules(lnode)}, ldef.delayer_time, nil)
end
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return true
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end
end
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return false
end
-- Functions that are called after the delay time
local delayer_activate = function(pos, node)
local def = minetest.registered_nodes[node.name]
local time = def.delayer_time
minetest.swap_node(pos, {name=def.delayer_onstate, param2=node.param2})
mesecon.queue:add_action(pos, "receptor_on", {delayer_get_output_rules(node)}, time, nil)
check_lock_repeater(pos, node)
end
local delayer_deactivate = function(pos, node)
local def = minetest.registered_nodes[node.name]
local time = def.delayer_time
minetest.swap_node(pos, {name=def.delayer_offstate, param2=node.param2})
mesecon.queue:add_action(pos, "receptor_off", {delayer_get_output_rules(node)}, time, nil)
check_unlock_repeater(pos, node)
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end
-- Register the 2 (states) x 4 (delay times) delayers
for i = 1, 4 do
local groups = {}
if i == 1 then
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groups = {dig_immediate=3,dig_by_water=1,destroy_by_lava_flow=1,dig_by_piston=1,attached_node=1,redstone_repeater=i}
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else
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groups = {dig_immediate=3,dig_by_water=1,destroy_by_lava_flow=1,dig_by_piston=1,attached_node=1,redstone_repeater=i,not_in_creative_inventory=1}
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end
local delaytime
if i == 1 then delaytime = 0.1
elseif i == 2 then delaytime = 0.2
elseif i == 3 then delaytime = 0.3
elseif i == 4 then delaytime = 0.4
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end
local boxes
if i == 1 then
boxes = {
{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 }, -- the main slab
{ -1/16, -6/16, 6/16, 1/16, -1/16, 4/16}, -- still torch
{ -1/16, -6/16, 0/16, 1/16, -1/16, 2/16}, -- moved torch
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}
elseif i == 2 then
boxes = {
{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 }, -- the main slab
{ -1/16, -6/16, 6/16, 1/16, -1/16, 4/16}, -- still torch
{ -1/16, -6/16, -2/16, 1/16, -1/16, 0/16}, -- moved torch
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}
elseif i == 3 then
boxes = {
{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 }, -- the main slab
{ -1/16, -6/16, 6/16, 1/16, -1/16, 4/16}, -- still torch
{ -1/16, -6/16, -4/16, 1/16, -1/16, -2/16}, -- moved torch
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}
elseif i == 4 then
boxes = {
{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 }, -- the main slab
{ -1/16, -6/16, 6/16, 1/16, -1/16, 4/16}, -- still torch
{ -1/16, -6/16, -6/16, 1/16, -1/16, -4/16}, -- moved torch
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}
end
local help, longdesc, usagehelp, icon, on_construct
if i == 1 then
help = true
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longdesc = "Redstone repeaters are versatile redstone components which delay redstone signals and only allow redstone signals to travel through one direction. The delay of the signal is indicated by the redstone torches and is between 0.1 and 0.4 seconds long."
usagehelp = "To power a redstone repeater, send a signal in “arrow” direction. To change the delay, rightclick the redstone repeater. The delay is changed in steps of 0.1 seconds."
icon = "mesecons_delayer_item.png"
on_construct = function(pos)
local node = minetest.get_node(pos)
local sides = delayer_get_sides(node)
for s=1, #sides do
local spos = vector.add(pos, sides[s])
local snode = minetest.get_node(spos)
local g = minetest.get_item_group(snode.name, "redstone_repeater")
local sdef = minetest.registered_nodes[snode.name]
if g ~= 0 and sdef.mesecons.receptor.state == mesecon.state.on then
if mesecon.is_powered(pos, delayer_get_input_rules(node)[1]) ~= false then
minetest.swap_node(pos, {name="mesecons_delayer:delayer_on_locked", param2 = node.param2})
else
minetest.swap_node(pos, {name="mesecons_delayer:delayer_off_locked", param2 = node.param2})
end
break
end
end
end
else
help = false
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end
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local on_rotate
if minetest.get_modpath("screwdriver") then
on_rotate = screwdriver.disallow
end
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minetest.register_node("mesecons_delayer:delayer_off_"..tostring(i), {
description = "Redstone Repeater",
inventory_image = icon,
wield_image = icon,
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_doc_items_create_entry = help,
_doc_items_longdesc = longdesc,
_doc_items_usagehelp = usagehelp,
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drawtype = "nodebox",
tiles = {
"mesecons_delayer_off.png",
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"mcl_stairs_stone_slab_top.png",
"mesecons_delayer_sides_off.png",
"mesecons_delayer_sides_off.png",
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"mesecons_delayer_ends_off.png",
"mesecons_delayer_ends_off.png",
},
wield_image = "mesecons_delayer_off.png",
walkable = true,
selection_box = {
type = "fixed",
fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },
},
collision_box = {
type = "fixed",
fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },
},
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node_box = {
type = "fixed",
fixed = boxes
},
groups = groups,
paramtype = "light",
paramtype2 = "facedir",
sunlight_propagates = false,
is_ground_content = false,
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drop = 'mesecons_delayer:delayer_off_1',
on_rightclick = function (pos, node)
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if node.name=="mesecons_delayer:delayer_off_1" then
minetest.swap_node(pos, {name="mesecons_delayer:delayer_off_2", param2=node.param2})
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elseif node.name=="mesecons_delayer:delayer_off_2" then
minetest.swap_node(pos, {name="mesecons_delayer:delayer_off_3", param2=node.param2})
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elseif node.name=="mesecons_delayer:delayer_off_3" then
minetest.swap_node(pos, {name="mesecons_delayer:delayer_off_4", param2=node.param2})
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elseif node.name=="mesecons_delayer:delayer_off_4" then
minetest.swap_node(pos, {name="mesecons_delayer:delayer_off_1", param2=node.param2})
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end
end,
on_construct = on_construct,
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delayer_time = delaytime,
delayer_onstate = "mesecons_delayer:delayer_on_"..tostring(i),
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delayer_lockstate = "mesecons_delayer:delayer_off_locked",
sounds = mcl_sounds.node_sound_stone_defaults(),
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mesecons = {
receptor =
{
state = mesecon.state.off,
rules = delayer_get_output_rules
},
effector =
{
rules = delayer_get_input_rules,
action_on = delayer_activate
}
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},
on_rotate = on_rotate,
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})
minetest.register_node("mesecons_delayer:delayer_on_"..tostring(i), {
description = "Redstone Repeater (Powered)",
_doc_items_create_entry = false,
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drawtype = "nodebox",
tiles = {
"mesecons_delayer_on.png",
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"mcl_stairs_stone_slab_top.png",
"mesecons_delayer_sides_on.png",
"mesecons_delayer_sides_on.png",
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"mesecons_delayer_ends_on.png",
"mesecons_delayer_ends_on.png",
},
walkable = true,
selection_box = {
type = "fixed",
fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },
},
collision_box = {
type = "fixed",
fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },
},
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node_box = {
type = "fixed",
fixed = boxes
},
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groups = {dig_immediate = 3, dig_by_water=1,destroy_by_lava_flow=1, dig_by_piston=1, attached_node=1, redstone_repeater=i, not_in_creative_inventory = 1},
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paramtype = "light",
paramtype2 = "facedir",
sunlight_propagates = false,
is_ground_content = false,
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drop = 'mesecons_delayer:delayer_off_1',
on_rightclick = function (pos, node)
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if node.name=="mesecons_delayer:delayer_on_1" then
minetest.swap_node(pos, {name="mesecons_delayer:delayer_on_2",param2=node.param2})
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elseif node.name=="mesecons_delayer:delayer_on_2" then
minetest.swap_node(pos, {name="mesecons_delayer:delayer_on_3",param2=node.param2})
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elseif node.name=="mesecons_delayer:delayer_on_3" then
minetest.swap_node(pos, {name="mesecons_delayer:delayer_on_4",param2=node.param2})
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elseif node.name=="mesecons_delayer:delayer_on_4" then
minetest.swap_node(pos, {name="mesecons_delayer:delayer_on_1",param2=node.param2})
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end
end,
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after_dig_node = function(pos, oldnode, oldmetadata, digger)
check_unlock_repeater(pos, oldnode)
end,
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delayer_time = delaytime,
delayer_offstate = "mesecons_delayer:delayer_off_"..tostring(i),
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delayer_lockstate = "mesecons_delayer:delayer_on_locked",
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sounds = mcl_sounds.node_sound_stone_defaults(),
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mesecons = {
receptor =
{
state = mesecon.state.on,
rules = delayer_get_output_rules
},
effector =
{
rules = delayer_get_input_rules,
action_off = delayer_deactivate
}
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},
on_rotate = on_rotate,
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})
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end
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-- Locked repeater
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minetest.register_node("mesecons_delayer:delayer_off_locked", {
description = "Redstone Repeater (Locked)",
inventory_image = icon,
wield_image = icon,
_doc_items_create_entry = false,
drawtype = "nodebox",
-- FIXME: Textures of torch and the lock bar overlap. Nodeboxes are (sadly) not suitable for this.
-- So this needs to be turned into a mesh.
tiles = {
"mesecons_delayer_locked_off.png",
"mcl_stairs_stone_slab_top.png",
"mesecons_delayer_sides_locked_off.png",
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"mesecons_delayer_sides_locked_off.png",
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"mesecons_delayer_front_locked_off.png",
"mesecons_delayer_end_locked_off.png",
},
wield_image = "mesecons_delayer_locked_off.png",
walkable = true,
selection_box = {
type = "fixed",
fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },
},
collision_box = {
type = "fixed",
fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },
},
node_box = {
type = "fixed",
fixed = {
{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 }, -- the main slab
{ -1/16, -6/16, 6/16, 1/16, -1/16, 4/16}, -- still torch
{ -6/16, -6/16, 0/16, 6/16, -4/16, 2/16}, -- lock
}
},
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groups = {dig_immediate = 3, dig_by_water=1,destroy_by_lava_flow=1, dig_by_piston=1, attached_node=1, redstone_repeater=5, not_in_creative_inventory = 1},
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paramtype = "light",
paramtype2 = "facedir",
sunlight_propagates = false,
is_ground_content = false,
drop = 'mesecons_delayer:delayer_off_1',
delayer_time = 0.1,
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sounds = mcl_sounds.node_sound_stone_defaults(),
mesecons = {
receptor =
{
state = mesecon.state.off,
rules = delayer_get_output_rules
},
effector =
{
rules = delayer_get_input_rules,
}
},
on_rotate = on_rotate,
})
minetest.register_node("mesecons_delayer:delayer_on_locked", {
description = "Redstone Repeater (Locked, Powered)",
_doc_items_create_entry = false,
drawtype = "nodebox",
tiles = {
"mesecons_delayer_locked_on.png",
"mcl_stairs_stone_slab_top.png",
"mesecons_delayer_sides_locked_on.png",
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"mesecons_delayer_sides_locked_on.png",
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"mesecons_delayer_front_locked_on.png",
"mesecons_delayer_end_locked_on.png",
},
walkable = true,
selection_box = {
type = "fixed",
fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },
},
collision_box = {
type = "fixed",
fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 },
},
node_box = {
type = "fixed",
fixed = {
{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 }, -- the main slab
{ -1/16, -6/16, 6/16, 1/16, -1/16, 4/16}, -- still torch
{ -6/16, -6/16, 0/16, 6/16, -4/16, 2/16}, -- lock
}
},
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after_dig_node = function(pos, oldnode, oldmetadata, digger)
check_unlock_repeater(pos, oldnode)
end,
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groups = {dig_immediate = 3, dig_by_water=1,destroy_by_lava_flow=1, dig_by_piston=1, attached_node=1, redstone_repeater=5, not_in_creative_inventory = 1},
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paramtype = "light",
paramtype2 = "facedir",
sunlight_propagates = false,
is_ground_content = false,
drop = 'mesecons_delayer:delayer_off_1',
delayer_time = 0.1,
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sounds = mcl_sounds.node_sound_stone_defaults(),
mesecons = {
receptor =
{
state = mesecon.state.on,
rules = delayer_get_output_rules
},
effector =
{
rules = delayer_get_input_rules,
}
},
on_rotate = on_rotate,
})
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minetest.register_craft({
output = "mesecons_delayer:delayer_off_1",
recipe = {
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{"mesecons_torch:mesecon_torch_on", "mesecons:redstone", "mesecons_torch:mesecon_torch_on"},
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{"mcl_core:stone","mcl_core:stone", "mcl_core:stone"},
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}
})
-- Add entry aliases for the Help
if minetest.get_modpath("doc") then
doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_off_2")
doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_off_3")
doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_off_4")
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doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_off_locked")
doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_on_1")
doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_on_2")
doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_on_3")
doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_on_4")
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doc.add_entry_alias("nodes", "mesecons_delayer:delayer_off_1", "nodes", "mesecons_delayer:delayer_on_locked")
end