fix another bunch

This commit is contained in:
BuckarooBanzay 2023-05-24 08:09:42 +02:00
parent ef9a394cba
commit 6db2646b23
13 changed files with 100 additions and 104 deletions

@ -18,5 +18,5 @@ read_globals = {
"dump", "VoxelArea",
-- Deps
"default"
"default", "awards"
}

@ -1,8 +1,8 @@
if not minetest.get_modpath("awards") then
digtron.award_item_dug = function (items, name, count) end
digtron.award_layout = function (layout, name) end
digtron.award_item_built = function(item_name, name) end
digtron.award_crate = function (layout, name) end
digtron.award_item_dug = function() end
digtron.award_layout = function() end
digtron.award_item_built = function() end
digtron.award_crate = function() end
return
end
@ -10,14 +10,14 @@ end
-- internationalization boilerplate
local MP = minetest.get_modpath(minetest.get_current_modname())
local S, NS = dofile(MP.."/intllib.lua")
local S = dofile(MP.."/intllib.lua")
awards.register_trigger("digtron_dig", {
type = "counted_key",
progress = "@1/@2 excavated",
auto_description = {"Excavate 1 @2 using a Digtron.", "Excavate @1 @2 using a Digtron."},
auto_description_total = {"Excavate @1 block using a Digtron.", "Excavate @1 blocks using a Digtron."},
get_key = function(self, def)
get_key = function(_, def)
return minetest.registered_aliases[def.trigger.node] or def.trigger.node
end,
key_is_item = true,
@ -37,7 +37,7 @@ awards.register_trigger("digtron_build", {
progress = "@1/@2 built",
auto_description = {"Build 1 @2 using a Digtron.", "Build @1 @2 using a Digtron."},
auto_description_total = {"Build @1 block using a Digtron.", "Build @1 blocks using a Digtron."},
get_key = function(self, def)
get_key = function(_, def)
return minetest.registered_aliases[def.trigger.node] or def.trigger.node
end,
key_is_item = true,
@ -75,7 +75,7 @@ digtron.award_layout = function(layout, player)
if layout.builders ~= nil and table.getn(layout.builders) > 24 then
awards.unlock(name, "digtron_builder25")
end
if layout.controller.y > 100 then
awards.unlock(name, "digtron_height100")
if layout.controller.y > 1000 then

@ -9,8 +9,8 @@
-- I'm trying to patch holes in bad mod programming, essentially. If a mod is so badly
-- programmed that it crashes anyway there's not a lot else I can do on my end of things.
DigtronFakePlayer = {}
DigtronFakePlayer.__index = DigtronFakePlayer
digtron.DigtronFakePlayer = {}
digtron.DigtronFakePlayer.__index = digtron.DigtronFakePlayer
local function return_value(x)
return (function() return x end)
@ -32,18 +32,18 @@ local function return_empty_table()
return {}
end
function DigtronFakePlayer.update(self, pos, player_name)
function digtron.DigtronFakePlayer.update(self, pos, player_name)
self.is_fake_player = ":digtron " .. player_name
self.get_pos = return_value(pos)
end
function DigtronFakePlayer.create(pos, player_name)
function digtron.DigtronFakePlayer.create(pos, player_name)
local self = {}
setmetatable(self, DigtronFakePlayer)
setmetatable(self, digtron.DigtronFakePlayer)
self.is_fake_player = ":digtron " .. player_name
-- ObjectRef
-- ObjectRef
self.get_pos = return_value(pos)
self.set_pos = return_nil
self.move_to = return_nil
@ -87,7 +87,6 @@ function DigtronFakePlayer.create(pos, player_name)
self.get_luaentity = return_nil
-- Player object
self.get_player_name = return_empty_string
self.get_player_velocity = return_nil
self.get_look_dir = return_value({x=0,y=1,z=0})
@ -112,8 +111,7 @@ function DigtronFakePlayer.create(pos, player_name)
self.set_physics_override = return_nil
self.get_physics_override = return_value({speed = 1, jump = 1, gravity = 1, sneak = true, sneak_glitch = false, new_move = true,})
self.hud_add = return_nil
self.hud_remove = return_nil
self.hud_change = return_nil
@ -128,18 +126,18 @@ function DigtronFakePlayer.create(pos, player_name)
self.hud_get_hotbar_selected_image = return_empty_string
self.set_sky = return_nil
self.get_sky = return_empty_table -- may need members on this table
self.set_clouds = return_nil
self.get_clouds = return_value({density = 0, color = "#fff0f0e5", ambient = "#000000", height = 120, thickness = 16, speed = {x=0, y=-2}})
self.override_day_night_ratio = return_nil
self.get_day_night_ratio = return_nil
self.set_local_animation = return_nil
self.get_local_animation = return_empty_table
self.set_eye_offset = return_nil
self.get_eye_offset = return_value({x=0,y=0,z=0},{x=0,y=0,z=0})
return self
end

@ -1,7 +1,5 @@
DigtronLayout = {}
DigtronLayout.__index = DigtronLayout
local modpath_awards = minetest.get_modpath("awards")
digtron.DigtronLayout = {}
digtron.DigtronLayout.__index = digtron.DigtronLayout
-------------------------------------------------------------------------
-- Creation
@ -15,7 +13,7 @@ local get_node_image = function(pos, node)
if node_image.meta ~= nil and node_def._digtron_formspec ~= nil then
node_image.meta.fields.formspec = node_def._digtron_formspec(pos, meta) -- causes formspec to be automatically upgraded whenever Digtron moves
end
local group = minetest.get_item_group(node.name, "digtron")
-- group 1 has no special metadata
if group > 1 and group < 10 then
@ -27,7 +25,7 @@ local get_node_image = function(pos, node)
.. tostring(group) .. ". This error should not be possible. Please see https://github.com/minetest/minetest/issues/8067")
end
end
-- Record what kind of thing we've got in a builder node so its facing can be rotated properly
if group == 4 then
local build_item = ""
@ -45,21 +43,21 @@ local get_node_image = function(pos, node)
end
-- temporary pointsets used while searching
local to_test = Pointset.create()
local tested = Pointset.create()
local to_test = digtron.Pointset.create()
local tested = digtron.Pointset.create()
function DigtronLayout.create(pos, player)
function digtron.DigtronLayout.create(pos, player)
local self = {}
setmetatable(self, DigtronLayout)
setmetatable(self, digtron.DigtronLayout)
--initialize. We're assuming that the start position is a controller digtron, should be a safe assumption since only the controller node should call this
self.traction = 0
self.all = {}
self.water_touching = false
self.lava_touching = false
self.protected = Pointset.create() -- if any nodes we look at are protected, make note of that. That way we don't need to keep re-testing protection state later.
self.old_pos_pointset = Pointset.create() -- For tracking original location of nodes if we do transformations on the Digtron
self.nodes_dug = Pointset.create() -- For tracking adjacent nodes that will have been dug by digger heads in future
self.protected = digtron.Pointset.create() -- if any nodes we look at are protected, make note of that. That way we don't need to keep re-testing protection state later.
self.old_pos_pointset = digtron.Pointset.create() -- For tracking original location of nodes if we do transformations on the Digtron
self.nodes_dug = digtron.Pointset.create() -- For tracking adjacent nodes that will have been dug by digger heads in future
self.contains_protected_node = false -- used to indicate if at least one node in this digtron array is protected from the player.
self.controller = {x=pos.x, y=pos.y, z=pos.z} --Make a deep copy of the pos parameter just in case the calling code wants to play silly buggers with it
@ -79,12 +77,12 @@ function DigtronLayout.create(pos, player)
to_test:set(pos.x, pos.y - 1, pos.z, true)
to_test:set(pos.x, pos.y, pos.z + 1, true)
to_test:set(pos.x, pos.y, pos.z - 1, true)
if minetest.is_protected(pos, player:get_player_name()) and not minetest.check_player_privs(player, "protection_bypass") then
self.protected:set(pos.x, pos.y, pos.z, true)
self.contains_protected_node = true
end
-- Do a loop on to_test positions, adding new to_test positions as we find digtron nodes. This is a flood fill operation
-- that follows node faces (no diagonals)
local testpos, _ = to_test:pop()
@ -96,7 +94,7 @@ function DigtronLayout.create(pos, player)
--digtron array is next to unloaded nodes, too dangerous to do anything. Abort.
self.ignore_touching = true
end
if minetest.get_item_group(node.name, "water") ~= 0 then
self.water_touching = true
elseif minetest.get_item_group(node.name, "lava") ~= 0 then
@ -111,12 +109,12 @@ function DigtronLayout.create(pos, player)
self.protected:set(testpos.x, testpos.y, testpos.z, true)
is_protected = true
end
local group_number = minetest.get_item_group(node.name, "digtron")
if group_number > 0 then
--found one. Add it to the digtrons output
local node_image = get_node_image(testpos, node)
table.insert(self.all, node_image)
-- add a reference to this node's position to special node lists
@ -147,11 +145,11 @@ function DigtronLayout.create(pos, player)
self.auto_ejectors = self.auto_ejectors or {}
table.insert(self.auto_ejectors, node_image)
end
if is_protected then
self.contains_protected_node = true
end
-- update extents
self.extents_max_x = math.max(self.extents_max_x, testpos.x)
self.extents_min_x = math.min(self.extents_min_x, testpos.x)
@ -159,7 +157,7 @@ function DigtronLayout.create(pos, player)
self.extents_min_y = math.min(self.extents_min_y, testpos.y)
self.extents_max_z = math.max(self.extents_max_z, testpos.z)
self.extents_min_z = math.min(self.extents_min_z, testpos.z)
--queue up potential new test points adjacent to this digtron node
to_test:set_if_not_in(tested, testpos.x + 1, testpos.y, testpos.z, true)
to_test:set_if_not_in(tested, testpos.x - 1, testpos.y, testpos.z, true)
@ -172,15 +170,15 @@ function DigtronLayout.create(pos, player)
-- Allowing unknown nodes to provide traction, since they're not buildable_to either
self.traction = self.traction + 1
end
testpos, _ = to_test:pop()
end
digtron.award_layout(self, player) -- hook for achievements mod
to_test:clear()
tested:clear()
return self
end
@ -245,7 +243,7 @@ local rotate_pos = function(axis, direction, pos)
pos.x = pos.z
pos.z = -temp_x
end
else
else
if direction < 0 then
local temp_x = pos.x
pos.x = -pos.y
@ -280,25 +278,25 @@ local rotate_node_image = function(node_image, origin, axis, direction, old_pos_
elseif node_image.paramtype2 == "facedir" then
node_image.node.param2 = facedir_rotate[axis][direction][node_image.node.param2]
end
if node_image.build_item_paramtype2 == "wallmounted" then
node_image.meta.fields.build_facing = wallmounted_rotate[axis][direction][tonumber(node_image.meta.fields.build_facing)]
elseif node_image.build_item_paramtype2 == "facedir" then
node_image.meta.fields.build_facing = facedir_rotate[axis][direction][tonumber(node_image.meta.fields.build_facing)]
end
node_image.meta.fields.waiting = nil -- If we're rotating a controller that's in the "waiting" state, clear it. Otherwise it may stick like that.
-- record the old location so we can destroy the old node if the rotation operation is possible
old_pos_pointset:set(node_image.pos.x, node_image.pos.y, node_image.pos.z, true)
-- position in space relative to origin
local pos = subtract_in_place(node_image.pos, origin)
pos = rotate_pos(axis, direction, pos)
-- Move back to original reference frame
node_image.pos = add_in_place(pos, origin)
return node_image
return node_image
end
@ -311,7 +309,7 @@ local top = {
{axis="y", dir=1},
}
-- Rotates 90 degrees widdershins around the axis defined by facedir (which in this case is pointing out the front of the node, so it needs to be converted into an upward-pointing axis internally)
function DigtronLayout.rotate_layout_image(self, facedir)
function digtron.DigtronLayout.rotate_layout_image(self, facedir)
if self == nil or self.all == nil or self.controller == nil or self.old_pos_pointset == nil then
-- this should not be possible, but if it is then abort.
@ -325,10 +323,10 @@ function DigtronLayout.rotate_layout_image(self, facedir)
-- 12, 13, 14, 15 == (1,0,0)
-- 16, 17, 18, 19 == (-1,0,0)
-- 20, 21, 22, 23== (0,-1,0)
local params = top[math.floor(facedir/4)]
for k, node_image in pairs(self.all) do
for _, node_image in pairs(self.all) do
rotate_node_image(node_image, self.controller, params.axis, params.dir, self.old_pos_pointset)
end
return self
@ -337,15 +335,15 @@ end
-----------------------------------------------------------------------------------------------
-- Translation
function DigtronLayout.move_layout_image(self, dir)
function digtron.DigtronLayout.move_layout_image(self, dir)
self.extents_max_x = self.extents_max_x + dir.x
self.extents_min_x = self.extents_min_x + dir.x
self.extents_max_y = self.extents_max_y + dir.y
self.extents_min_y = self.extents_min_y + dir.y
self.extents_max_z = self.extents_max_z + dir.z
self.extents_min_z = self.extents_min_z + dir.z
for k, node_image in pairs(self.all) do
for _, node_image in pairs(self.all) do
self.old_pos_pointset:set(node_image.pos.x, node_image.pos.y, node_image.pos.z, true)
node_image.pos = add_in_place(node_image.pos, dir)
self.nodes_dug:set(node_image.pos.x, node_image.pos.y, node_image.pos.z, false) -- we've moved a digtron node into this space, mark it so that we don't dig it.
@ -355,7 +353,7 @@ end
-----------------------------------------------------------------------------------------------
-- Writing to world
function DigtronLayout.can_write_layout_image(self)
function digtron.DigtronLayout.can_write_layout_image(self)
for k, node_image in pairs(self.all) do
--check if we're moving into a protected node
if self.protected:get(node_image.pos.x, node_image.pos.y, node_image.pos.z) then
@ -394,14 +392,14 @@ local node_callbacks = function(player)
local old_pos = dug_node_pos[i]
local old_node = dug_node[i]
local old_meta = dug_node_meta[i]
for _, callback in ipairs(minetest.registered_on_dignodes) do
-- Copy pos and node because callback can modify them
local pos_copy = {x=old_pos.x, y=old_pos.y, z=old_pos.z}
local oldnode_copy = {name=old_node.name, param1=old_node.param1, param2=old_node.param2}
callback(pos_copy, oldnode_copy, digtron.fake_player)
end
local old_def = minetest.registered_nodes[old_node.name]
if old_def ~= nil and old_def.after_dig_node ~= nil then
old_def.after_dig_node(old_pos, old_node, old_meta, player)
@ -414,7 +412,7 @@ local node_callbacks = function(player)
local new_pos = placed_node_pos[i]
local new_node = placed_new_node[i]
local old_node = placed_old_node[i]
for _, callback in ipairs(minetest.registered_on_placenodes) do
-- Copy pos and node because callback can modify them
local pos_copy = {x=new_pos.x, y=new_pos.y, z=new_pos.z}
@ -422,7 +420,7 @@ local node_callbacks = function(player)
local newnode_copy = {name=new_node.name, param1=new_node.param1, param2=new_node.param2}
callback(pos_copy, newnode_copy, digtron.fake_player, oldnode_copy)
end
local new_def = minetest.registered_nodes[new_node.name]
if new_def ~= nil and new_def.after_place_node ~= nil then
new_def.after_place_node(new_pos, player)
@ -452,7 +450,7 @@ local set_meta_with_retry = function(meta, meta_table)
end
local air_node = {name="air"}
function DigtronLayout.write_layout_image(self, player)
function digtron.DigtronLayout.write_layout_image(self, player)
-- destroy the old digtron
local oldpos, _ = self.old_pos_pointset:pop()
while oldpos ~= nil do
@ -481,13 +479,13 @@ function DigtronLayout.write_layout_image(self, player)
minetest.log("error", "DigtronLayout.write_layout_image failed to write a Digtron node, aborting write.")
return false
end
placed_nodes_count = placed_nodes_count + 1
placed_node_pos[placed_nodes_count] = new_pos
placed_new_node[placed_nodes_count] = new_node
placed_old_node[placed_nodes_count] = old_node
end
-- fake_player will be passed to callbacks to prevent actual player from "taking the blame" for this action.
-- For example, the hunger mod shouldn't be making the player hungry when he moves Digtron.
digtron.fake_player:update(self.controller, player:get_player_name())
@ -502,7 +500,7 @@ end
---------------------------------------------------------------------------------------------
-- Serialization. Currently only serializes the data that is needed by the crate, upgrade this function if more is needed
function DigtronLayout.serialize(self)
function digtron.DigtronLayout.serialize(self)
-- serialize can't handle ItemStack objects, convert them to strings.
for _, node_image in pairs(self.all) do
for k, inv in pairs(node_image.meta.inventory) do
@ -515,10 +513,10 @@ function DigtronLayout.serialize(self)
return minetest.serialize({controller=self.controller, all=self.all})
end
function DigtronLayout.deserialize(layout_string)
function digtron.DigtronLayout.deserialize(layout_string)
local self = {}
setmetatable(self, DigtronLayout)
setmetatable(self, digtron.DigtronLayout)
if not layout_string or layout_string == "" then
return nil
end
@ -526,7 +524,7 @@ function DigtronLayout.deserialize(layout_string)
self.all = deserialized_layout.all
self.controller = deserialized_layout.controller
self.old_pos_pointset = Pointset.create() -- needed by the write_layout method, leave empty
self.old_pos_pointset = digtron.Pointset.create() -- needed by the write_layout method, leave empty
return self
end

@ -1,7 +1,7 @@
-- A simple special-purpose class, this is used for building up sets of three-dimensional points for fast reference
Pointset = {}
Pointset.__index = Pointset
digtron.Pointset = {}
digtron.Pointset.__index = digtron.Pointset
-- from builtin\game\misc.lua, modified to take values directly to avoid creating an intermediate vector
local hash_node_position_values = function(x, y, z)
@ -10,26 +10,26 @@ local hash_node_position_values = function(x, y, z)
+ x + 32768
end
function Pointset.create()
function digtron.Pointset.create()
local set = {}
setmetatable(set,Pointset)
setmetatable(set,digtron.Pointset)
set.points = {}
return set
end
function Pointset:clear()
function digtron.Pointset:clear()
local points = self.points
for k, v in pairs(points) do
points[k] = nil
end
end
function Pointset:set(x, y, z, value)
function digtron.Pointset:set(x, y, z, value)
-- sets a value in the 3D array "points".
self.points[hash_node_position_values(x,y,z)] = value
end
function Pointset:set_if_not_in(excluded, x, y, z, value)
function digtron.Pointset:set_if_not_in(excluded, x, y, z, value)
-- If a value is not already set for this point in the 3D array "excluded", set it in "points"
if excluded:get(x, y, z) ~= nil then
return
@ -37,24 +37,24 @@ function Pointset:set_if_not_in(excluded, x, y, z, value)
self:set(x, y, z, value)
end
function Pointset:get(x, y, z)
function digtron.Pointset:get(x, y, z)
-- return a value from the 3D array "points"
return self.points[hash_node_position_values(x,y,z)]
end
function Pointset:set_pos(pos, value)
function digtron.Pointset:set_pos(pos, value)
self:set(pos.x, pos.y, pos.z, value)
end
function Pointset:set_pos_if_not_in(excluded, pos, value)
function digtron.Pointset:set_pos_if_not_in(excluded, pos, value)
self:set_if_not_in(excluded, pos.x, pos.y, pos.z, value)
end
function Pointset:get_pos(pos)
function digtron.Pointset:get_pos(pos)
return self:get(pos.x, pos.y, pos.z)
end
function Pointset:pop()
function digtron.Pointset:pop()
-- returns a point that's in the 3D array, and then removes it.
local hash, value = next(self.points)
if hash == nil then return nil end
@ -63,8 +63,9 @@ function Pointset:pop()
return pos, value
end
function Pointset:get_pos_list(value)
-- Returns a list of all points with the given value in standard Minetest vector format. If no value is provided, returns all points
function digtron.Pointset:get_pos_list(value)
-- Returns a list of all points with the given value in standard Minetest vector format.
-- If no value is provided, returns all points
local outlist = {}
for hash, pointsval in pairs(self.points) do
if value == nil or pointsval == value then
@ -73,5 +74,3 @@ function Pointset:get_pos_list(value)
end
return outlist
end

@ -33,7 +33,7 @@ digtron.builder_on_place_items = {
digtron.builder_on_place_prefixes = {
["farming:"] = true,
["farming_plus:"] = true,
["crops:"] = true,
["crops:"] = true,
}
-- Finally, items belonging to group "digtron_on_place" will have their on_place methods called.
@ -42,7 +42,8 @@ local digtron_modpath = minetest.get_modpath( "digtron" )
dofile( digtron_modpath .. "/class_fakeplayer.lua")
digtron.fake_player = DigtronFakePlayer.create({x=0,y=0,z=0}, "fake_player") -- since we only need one fake player at a time and it doesn't retain useful state, create a global one and just update it as needed.
-- since we only need one fake player at a time and it doesn't retain useful state, create a global one and just update it as needed.
digtron.fake_player = digtron.DigtronFakePlayer.create({x=0,y=0,z=0}, "fake_player")
dofile( digtron_modpath .. "/config.lua" )
dofile( digtron_modpath .. "/util.lua" )

@ -54,7 +54,7 @@ minetest.register_node("digtron:axle", {
return
end
local image = DigtronLayout.create(pos, clicker)
local image = digtron.DigtronLayout.create(pos, clicker)
if image:rotate_layout_image(node.param2) == false then
-- This should be impossible, but if self-validation fails abort.
return

@ -115,7 +115,7 @@ minetest.register_on_player_receive_fields(function(sender, formname, fields)
if fields.set then
-- copy current settings to all builders
local layout = DigtronLayout.create(pos, sender)
local layout = digtron.DigtronLayout.create(pos, sender)
if layout.builders ~= nil then
@ -145,7 +145,7 @@ minetest.register_on_player_receive_fields(function(sender, formname, fields)
elseif fields.read then
-- make all builders perform read&save
local layout = DigtronLayout.create(pos, sender)
local layout = digtron.DigtronLayout.create(pos, sender)
if layout.builders ~= nil then
for k, location in pairs(layout.builders) do

@ -23,7 +23,7 @@ local player_permitted = function(pos, player)
end
local store_digtron = function(pos, clicker, loaded_node_name, protected)
local layout = DigtronLayout.create(pos, clicker)
local layout = digtron.DigtronLayout.create(pos, clicker)
local protection_prefix = ""
local protection_suffix = ""
if protected then
@ -215,7 +215,7 @@ local loaded_on_recieve = function(pos, fields, sender, protected)
end
local layout_string = meta:get_string("crated_layout")
local layout = DigtronLayout.deserialize(layout_string)
local layout = digtron.DigtronLayout.deserialize(layout_string)
if layout == nil then
meta:set_string("infotext", infotext .. "\n" .. S("Unable to read layout from crate metadata, regrettably this Digtron may be corrupted."))

@ -113,7 +113,7 @@ minetest.register_node("digtron:duplicator", {
return
end
local layout = DigtronLayout.create(pos, sender)
local layout = digtron.DigtronLayout.create(pos, sender)
if layout.contains_protected_node then
minetest.sound_play("buzzer", {gain=0.5, pos=pos})

@ -55,7 +55,7 @@ local function eject_items(pos, node, player, eject_even_without_pipeworks, layo
end
if layout == nil then
layout = DigtronLayout.create(pos, player)
layout = digtron.DigtronLayout.create(pos, player)
end
-- Build a list of all the items that builder nodes want to use.

@ -67,7 +67,7 @@ minetest.register_node("digtron:power_connector", {
end,
on_receive_fields = function(pos, formname, fields, sender)
local layout = DigtronLayout.create(pos, sender)
local layout = digtron.DigtronLayout.create(pos, sender)
local max_cost = 0
if layout.builders ~= nil then
for _, node_image in pairs(layout.builders) do

@ -119,7 +119,7 @@ digtron.execute_dig_cycle = function(pos, clicker)
local status_text = S("Heat remaining in controller furnace: @1", math.floor(math.max(0, fuel_burning)))
local exhaust = meta:get_int("on_coal")
local layout = DigtronLayout.create(pos, clicker)
local layout = digtron.DigtronLayout.create(pos, clicker)
local status_text, return_code = neighbour_test(layout, status_text, dir)
if return_code ~= 0 then
@ -421,7 +421,7 @@ end
-- Simplified version of the above method that only moves, and doesn't execute diggers or builders.
digtron.execute_move_cycle = function(pos, clicker)
local meta = minetest.get_meta(pos)
local layout = DigtronLayout.create(pos, clicker)
local layout = digtron.DigtronLayout.create(pos, clicker)
local status_text = ""
local status_text, return_code = neighbour_test(layout, status_text, nil) -- skip traction check for pusher by passing nil for direction
@ -482,7 +482,7 @@ digtron.execute_downward_dig_cycle = function(pos, clicker)
local status_text = S("Heat remaining in controller furnace: @1", math.floor(math.max(0, fuel_burning)))
local exhaust = meta:get_int("on_coal")
local layout = DigtronLayout.create(pos, clicker)
local layout = digtron.DigtronLayout.create(pos, clicker)
local status_text, return_code = neighbour_test(layout, status_text, dir)
if return_code ~= 0 then