technic_cnc: use programs definition to generate formspec

This deprecates the variables onesize_products and twosize_products
by using a shared definition table.

README.md

@@ -15,10 +15,10 @@ world. A few notable features:
   * Minetest 5.0.0 or newer
   * [Minetest Game](https://github.com/minetest/minetest_game/)
   * [mesecons](https://github.com/minetest-mods/mesecons) -> signalling events
-  * [pipeworks](https://gitlab.com/VanessaE/pipeworks/) -> automation of item transport
+  * [pipeworks](https://github.com/mt-mods/pipeworks) -> automation of item transport
   * [moreores](https://github.com/minetest-mods/moreores/) -> additional ores
-  * [basic_materials](https://gitlab.com/VanessaE/basic_materials) -> basic craft items
+  * [basic_materials](https://github.com/mt-mods/basic_materials) -> basic craft items
-  * Supports [moretrees](https://gitlab.com/VanessaE/moretrees) -> rubber trees
+  * Supports [moretrees](https://github.com/mt-mods/moretrees) -> rubber trees
   * Consult `depends.txt` or `mod.conf` of each mod for further dependency information.
 
 

concrete/locale/ja.txt

@@ -0,0 +1,9 @@
+# technic_concrete japanese translation
+# technic_concreteの日本語への翻訳
+# by damiemk
+
+Rebar = 鉄筋
+Concrete Block = コンクリートのブロック
+Blast-resistant Concrete Block = 耐爆性コンクリートのブロック
+Concrete Post Platform = コンクリートのプラットフォーム
+Concrete Post = コンクリートポスト

extranodes/init.lua

@@ -27,6 +27,12 @@ if minetest.get_modpath("moreblocks") then
 		tiles={"technic_granite.png"},
 	})
 
+	stairsplus:register_all("technic", "granite_bricks", "technic:granite_bricks", {
+		description=S("Granite Bricks"),
+		groups={cracky=1, not_in_creative_inventory=1},
+		tiles={"technic_granite_bricks.png"},
+	})
+
 	stairsplus:register_all("technic", "concrete", "technic:concrete", {
 		description=S("Concrete"),
 		groups={cracky=3, not_in_creative_inventory=1},

extranodes/locale/ja.txt

@@ -0,0 +1,8 @@
+# technic_extranodes japanese translation
+# technic_extranodesの日本語への翻訳
+# by damiemk
+
+Marble = 大理石
+Marble Bricks = 大理石のレンガ
+Granite = 花崗岩
+Concrete = コンクリート

manual.md

@@ -34,6 +34,11 @@ Note ¹: *These ores are provided by Minetest Game. See [Ores](https://wiki.mine
 
 Note ²: *These ores are provided by moreores. TODO: Add reference link*
 
+#### Chromium
+Use: stainless steel
+
+Generated below: -100m, more commonly below -200m
+
 #### Coal ¹
 Use: Fuel, alloy as carbon
 
@@ -41,33 +46,61 @@ Burning coal is a way to generate electrical power. Coal is also used,
 usually in dust form, as an ingredient in alloying recipes, wherever
 elemental carbon is required.
 
-#### Iron ¹
-Use: multiple, mainly for alloys with carbon (coal).
-
 #### Copper ¹
 Copper is a common metal, used either on its own for its electrical
 conductivity, or as the base component of alloys.
 Although common, it is very heavily used, and most of the time it will
 be the material that most limits your activity.
 
+#### Diamond ¹
+Use: mainly for cutting machines
+
+Diamond is a precious gemstone. It is used moderately, mainly for reasons
+connected to its extreme hardness.
+
+#### Gold ¹
+Use: various
+
+Generated below: -64m, more commonly below -256m
+
+Gold is a precious metal. It is most notably used in electrical items due to
+its combination of good conductivity and corrosion resistance.
+
+#### Iron ¹
+Use: multiple, mainly for alloys with carbon (coal).
+
+#### Lead
+Use: batteries, HV nuclear reactor layout
+
+Generated below: 16m, more common below -128m
+
+#### Mese ¹
+Use: various
+
+Mese is a precious gemstone, and unlike diamond it is entirely fictional.
+It is used in small quantities, wherever some magic needs to be imparted.
+
+#### Mithril ²
+Use: chests
+
+Generated below: -512m, evenly common
+
+Mithril is a fictional ore, being derived from J. R. R. Tolkien's
+Middle-Earth setting.  It is little used.
+
+#### Silver ²
+Use: conductors
+
+Generated below: -2m, evenly common
+
+Silver is a semi-precious metal and is the best conductor of all the pure elements.
+
 #### Tin ¹
 Use: batteries, bronze
 
 Tin is a common metal but is used rarely. Its abundance is well in excess
 of its usage, so you will usually have a surplus of it.
 
-#### Zinc
-Use: brass
-
-Generated below: 2m, more commonly below -32m
-
-Zinc only has a few uses but is a common metal.
-
-#### Chromium
-Use: stainless steel
-
-Generated below: -100m, more commonly below -200m
-
 #### Uranium
 Use: nuclear reactor fuel
 
@@ -79,40 +112,13 @@ shielding materials available.
 
 Keep a safety distance of a meter to avoid being harmed by radiation.
 
-#### Silver ²
+#### Zinc
-Use: conductors
+Use: brass
 
-Generated below: -2m, evenly common
+Generated below: 2m, more commonly below -32m
 
-Silver is a semi-precious metal and is the best conductor of all the pure elements.
+Zinc only has a few uses but is a common metal.
 
-#### Gold ¹
-Use: various
-
-Generated below: -64m, more commonly below -256m
-
-Gold is a precious metal. It is most notably used in electrical items due to
-its combination of good conductivity and corrosion resistance.
-
-#### Mithril ²
-Use: chests
-
-Generated below: -512m, evenly common
-
-Mithril is a fictional ore, being derived from J. R. R. Tolkien's
-Middle-Earth setting.  It is little used.
-
-#### Mese ¹
-Use: various
-
-Mese is a precious gemstone, and unlike diamond it is entirely fictional.
-It is used in small quantities, wherever some magic needs to be imparted.
-
-#### Diamond ¹
-Use: mainly for cutting machines
-
-Diamond is a precious gemstone. It is used moderately, mainly for reasons
-connected to its extreme hardness.
 
 ### 2.2 Rocks
 
@@ -136,6 +142,12 @@ Granite is found in dense clusters and is much harder to dig than standard
 stone. It has mainly decorative use, but also appears in a couple of
 machine recipes.
 
+#### Sulfur
+Uses: battery box
+
+Sulur is generated around some lava patches (caves).
+
+
 ### 2.3 Rubber
 Rubber is a biologically-derived material that has industrial uses due
 to its electrical resistivity and its impermeability.  In technic, it

modpack.conf

@@ -1 +1,3 @@
 name = technic
+description = technic
+min_minetest_version = 5.0

settingtypes.txt

@@ -0,0 +1,9 @@
+#    Safety feature for the chainsaw tool aimed to prevent cutting structures
+#    built by players.
+#
+#    Trunk nodes generated by mapgen have a rotation of '0' whereas manually
+#    placed trunks usually have another value. However, some mods might generate
+#    trees with rotation != 0, which renders the chainsaw useless on them.
+#
+#    Disabling this feature will sacrifice safety for convenience.
+technic_safe_chainsaw (Chainsaw safety feature) bool true

technic/README.md

@@ -1,14 +1,16 @@
-Technic
+# Technic (main mod)
-=======
 
-License
+
--------
+## License
+
+### Code
 
 Copyright (C) 2012-2014 Maciej Kasatkin (RealBadAngel)
 
 Technic chests code is licensed under the GNU LGPLv2+.
 
-Texture licenses:
+
+### Textures
 
 BlockMen modified by Zefram (CC BY-SA 3.0):
   * technic_chernobylite_block.png
@@ -24,15 +26,29 @@ sdzen (Elise Staudter) (CC BY-SA 3.0):
 leftshift (CC BY-SA 3.0):
   * technic_river_water_can.png
 
+Neuromancer vis Minetest Game (CC BY-SA 3.0)
+ * `technic_*_electric_furnace_*.png` (derived)
+
+[LB Photo Realism Reload](https://www.curseforge.com/minecraft/texture-packs/lb-photo-realism-reload) (CC 0)
+ * `technic_geothermal_*.png` (derived)
+ * `technic_water_mill_*.png` (derived)
+ * `technic_*_alloy_furnace_*.png` (derived)
+ * `technic_*_compressor_*.png` (derived)
+ * `technic_*_grinder_*.png` (derived)
+
 RealBadAngel: (WTFPL)
   * Everything else.
 
-CC BY-SA 3.0: <http://creativecommons.org/licenses/by-sa/3.0/>
 
-Sound licenses:
+### Sounds
 
 veikk0 (Veikko Mäkelä) (CC BY-SA 4.0):
   * technic_hv_nuclear_reactor_siren_danger_loop.ogg
     * Derived from "Nuclear alarm.wav" by Freesound.org user rene___ from <https://freesound.org/people/rene___/sounds/56778/>. Originally licensed under CC0 1.0 <https://creativecommons.org/publicdomain/zero/1.0/>
 
-CC BY-SA 4.0: <https://creativecommons.org/licenses/by-sa/4.0/>
+
+### References
+
+CC BY-SA 3.0: http://creativecommons.org/licenses/by-sa/3.0/
+
+CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/

technic/doc/api.md

@@ -35,6 +35,10 @@ Available functions:
 * `technic.is_tier_cable(nodename, tier)`
 	* Tells whether the node `nodename` is the cable of the tier `tier`.
 	* Short version of `technic.get_cable_tier(nodename) == tier`
+* `technic.register_cable_tier(nodename, tier)`
+	* Register user defined cable to list of known tier cables.
+	* `nodename`: string, name of the node
+	* `tier`: string, tier name
 
 
 ## Machines
@@ -156,6 +160,11 @@ Unsorted functions:
 	* If `technic.power_tools[itemstack:get_name()]` is `nil` (or `false`), this
 	  function does nothing, else that value is the maximum charge.
 	* The itemstack metadata is changed to contain the charge.
+* `technic.get_charge(itemstack)`
+	* Returns the charge and max charge of the given itemstack.
+	* If the itemstack is not an RE chargeable item, both return values will be zero.
+* `technic.set_charge(itemstack, charge)`
+	* Modifies the charge of the given itemstack.
 
 ### Node-specific
 * `technic.get_or_load_node(pos)`

technic/helpers.lua

@@ -65,15 +65,26 @@ function technic.swap_node(pos, name)
 end
 
 
+--- Returns the meta of an item
+-- Gets overridden when legacy.lua is loaded
+function technic.get_stack_meta(itemstack)
+	return itemstack:get_meta()
+end
+
+--- Same as technic.get_stack_meta for cans
+function technic.get_stack_meta_cans(itemstack)
+	return itemstack:get_meta()
+end
+
+
 --- Fully charge RE chargeable item.
 -- Must be defined early to reference in item definitions.
 function technic.refill_RE_charge(stack)
 	local max_charge = technic.power_tools[stack:get_name()]
 	if not max_charge then return stack end
+	local meta = technic.get_stack_meta(stack)
+	meta:set_int("technic:charge", max_charge)
 	technic.set_RE_wear(stack, max_charge, max_charge)
-	local meta = minetest.deserialize(stack:get_metadata()) or {}
-	meta.charge = max_charge
-	stack:set_metadata(minetest.serialize(meta))
 	return stack
 end
 

technic/legacy.lua

@@ -39,3 +39,40 @@ for i = 0, 64 do
 	minetest.register_alias("technic:lv_cable"..i, "technic:lv_cable")
 end
 
+-- Item meta
+
+-- Meta keys that have changed
+technic.legacy_meta_keys = {
+	["charge"] = "technic:charge",
+}
+
+-- Converts legacy itemstack metadata string to itemstack meta and returns the ItemStackMetaRef
+function technic.get_stack_meta(itemstack)
+	local meta = itemstack:get_meta()
+	local legacy_string = meta:get("") -- Get deprecated metadata
+	if legacy_string then
+		local legacy_table = minetest.deserialize(legacy_string)
+		if legacy_table then
+			local table = meta:to_table()
+			for k, v in pairs(legacy_table) do
+				table.fields[technic.legacy_meta_keys[k] or k] = v
+			end
+			meta:from_table(table)
+		end
+		meta:set_string("", "") -- Remove deprecated metadata
+	end
+	return meta
+end
+
+-- Same as technic.get_stack_meta for cans.
+-- (Cans didn't store a serialized table in the legacy metadata string, but just a number.)
+function technic.get_stack_meta_cans(itemstack)
+	local meta = itemstack:get_meta()
+	local legacy_string = meta:get("") -- Get deprecated metadata
+	if legacy_string then
+		meta:set_string("can_level", legacy_string)
+		meta:set_string("", "") -- Remove deprecated metadata
+		return meta
+	end
+	return meta
+end

technic/machines/HV/nuclear_reactor.lua

@@ -31,24 +31,26 @@ minetest.register_craft({
 })
 
 local function make_reactor_formspec(meta)
-	local f = "size[8,9]"..
+	local f =
-	"label[0,0;"..S("Nuclear Reactor Rod Compartment").."]"..
+		"formspec_version[4]"..
-	"list[current_name;src;2,1;3,2;]"..
+		"size[10.75,10.75]"..
-	"list[current_player;main;0,5;8,4;]"..
+		"label[0.2,0.4;"..S("Nuclear Reactor Rod Compartment").."]"..
+		"list[current_name;src;1.5,1;3,2;]"..
+		"list[current_player;main;0.5,5.5;8,4;]"..
 		"listring[]"..
-	"button[5.5,1.5;2,1;start;Start]"..
+		"button[5.7,1;2,1;start;Start]"..
-	"checkbox[5.5,2.5;autostart;automatic Start;"..meta:get_string("autostart").."]"
+		"checkbox[5.7,2.75;autostart;automatic Start;"..meta:get_string("autostart").."]"
 	if not digiline_remote_path then
 		return f
 	end
 	local digiline_enabled = meta:get_string("enable_digiline")
-	f = f.."checkbox[0.5,2.8;enable_digiline;Enable Digiline;"..digiline_enabled.."]"
+	f = f.."checkbox[1.5,3.75;enable_digiline;Enable Digiline channel;"..digiline_enabled.."]"
 	if digiline_enabled ~= "true" then
 		return f
 	end
 	return f..
-		"button_exit[4.6,3.69;2,1;save;Save]"..
+		"field[2,4.2;4.25,1;remote_channel;;${remote_channel}]" ..
-		"field[1,4;4,1;remote_channel;Digiline Remote Channel;${remote_channel}]"
+		"button_exit[6.5,4.2;2,1;save;Save]"
 end
 
 local SS_OFF = 0
@@ -140,8 +142,11 @@ of a lead layer it will be converted to a lead layer.
 --]]
 local function reactor_structure_badness(pos)
 	local vm = VoxelManip()
+
+	-- Blast-resistant Concrete Block layer outer positions
 	local pos1 = vector.subtract(pos, 3)
 	local pos2 = vector.add(pos, 3)
+
 	local MinEdge, MaxEdge = vm:read_from_map(pos1, pos2)
 	local data = vm:get_data()
 	local area = VoxelArea:new({MinEdge=MinEdge, MaxEdge=MaxEdge})
@@ -157,16 +162,19 @@ local function reactor_structure_badness(pos)
 	for z = pos1.z, pos2.z do
 	for y = pos1.y, pos2.y do
 	for x = pos1.x, pos2.x do
+		-- In the entire volume, make sure there is:
 		local cid = data[area:index(x, y, z)]
 		if x == pos1.x or x == pos2.x or
 		   y == pos1.y or y == pos2.y or
 		   z == pos1.z or z == pos2.z then
+			-- r=3 : Blast-resistant Concrete Block shell
 			if cid == c_blast_concrete then
 				blast_layer = blast_layer + 1
 			end
 		elseif x == pos1.x+1 or x == pos2.x-1 or
 		       y == pos1.y+1 or y == pos2.y-1 or
 		       z == pos1.z+1 or z == pos2.z-1 then
+			-- r=2 : Lead Block shell
 			if cid == c_lead then
 				lead_layer = lead_layer + 1
 			elseif cid == c_steel then
@@ -175,6 +183,7 @@ local function reactor_structure_badness(pos)
 		elseif x == pos1.x+2 or x == pos2.x-2 or
 		       y == pos1.y+2 or y == pos2.y-2 or
 		       z == pos1.z+2 or z == pos2.z-2 then
+			-- r=1 : Water cooling
 			if cid == c_water_source or cid == c_water_flowing then
 				water_layer = water_layer + 1
 			end
@@ -184,6 +193,8 @@ local function reactor_structure_badness(pos)
 	end
 
 	if steel_layer >= 96 then
+		-- Legacy: convert stainless steel to lead
+		-- Why don't we accept both without conversion?
 		for z = pos1.z+1, pos2.z-1 do
 		for y = pos1.y+1, pos2.y-1 do
 		for x = pos1.x+1, pos2.x-1 do
@@ -206,6 +217,7 @@ local function reactor_structure_badness(pos)
 	if water_layer > 25 then water_layer = 25 end
 	if lead_layer > 96 then lead_layer = 96 end
 	if blast_layer > 216 then blast_layer = 216 end
+	-- Amount of missing blocks
 	return (25 - water_layer) + (96 - lead_layer) + (216 - blast_layer)
 end
 
@@ -297,7 +309,7 @@ local function run(pos, node)
 		end
 		meta:set_int("HV_EU_supply", 0)
 		meta:set_int("burn_time", 0)
-		meta:set_string("infotext", S("%s Idle"):format(reactor_desc))
+		meta:set_string("infotext", S("@1 Idle", reactor_desc))
 		technic.swap_node(pos, "technic:hv_nuclear_reactor_core")
 		meta:set_int("structure_accumulated_badness", 0)
 		siren_clear(pos, meta)

technic/machines/HV/quarry.lua

@@ -110,6 +110,40 @@ local function quarry_handle_purge(pos)
 	end
 end
 
+-- Determines whether the quarry can dig the node at "pos"
+-- "startpos" is located a few nodes above the quarry in South West direction (X-, Z-)
+-- Returns the node to dig (to avoid double minetest.get_node lookup)
+local function quarry_can_dig_node(startpos, pos, quarry_owner)
+	if minetest.is_protected(pos, quarry_owner) then
+		return nil
+	end
+
+	local node = technic.get_or_load_node(pos) or minetest.get_node(pos)
+	local def = minetest.registered_nodes[node.name] or {diggable=false}
+	-- doors mod among other thing does NOT like a nil digger...
+	local fakedigger = pipeworks.create_fake_player({
+		name = quarry_owner
+	})
+	if not def.diggable or (def.can_dig and not def.can_dig(pos, fakedigger)) then
+		return nil
+	end
+
+	-- Find airlike nodes on top of the current node. The entire Y column must be free.
+	for ay = pos.y+1, startpos.y do
+		local checkpos = {x=pos.x, y=ay, z=pos.z}
+		local checknode = technic.get_or_load_node(checkpos) or minetest.get_node(checkpos)
+
+		local cdef = minetest.registered_nodes[checknode.name] or {}
+		local is_kind_of_gas = cdef.buildable_to and cdef.sunlight_propagates and not cdef.walkable
+			and not cdef.diggable and (cdef.drawtype == "airlike" or cdef.drawtype == "glasslike")
+		if not is_kind_of_gas then
+			return nil
+		end
+	end
+
+	return node
+end
+
 local function quarry_run(pos, node)
 	local meta = minetest.get_meta(pos)
 	local inv = meta:get_inventory()
@@ -153,35 +187,11 @@ local function quarry_run(pos, node)
 				vector.new(0, -ry, 0)),
 				vector.multiply(pdir, rp)),
 				vector.multiply(qdir, rq))
-			local can_dig = true
-			if can_dig and minetest.is_protected and minetest.is_protected(digpos, owner) then
-				can_dig = false
-			end
-			local dignode
-			if can_dig then
-				dignode = technic.get_or_load_node(digpos) or minetest.get_node(digpos)
-				local dignodedef = minetest.registered_nodes[dignode.name] or {diggable=false}
-				-- doors mod among other thing does NOT like a nil digger...
-				local fakedigger = pipeworks.create_fake_player({
-					name = owner
-				})
-				if not dignodedef.diggable or (dignodedef.can_dig and not dignodedef.can_dig(digpos, fakedigger)) then
-					can_dig = false
-				end
-			end
 
-			if can_dig then
-				for ay = startpos.y, digpos.y+1, -1 do
-					local checkpos = {x=digpos.x, y=ay, z=digpos.z}
-					local checknode = technic.get_or_load_node(checkpos) or minetest.get_node(checkpos)
-					if checknode.name ~= "air" then
-						can_dig = false
-						break
-					end
-				end
-			end
 			nd = nd + 1
-			if can_dig then
+
+			local dignode = quarry_can_dig_node(startpos, digpos, owner)
+			if dignode then
 				minetest.remove_node(digpos)
 				local drops = minetest.get_node_drops(dignode.name, "")
 				for _, dropped_item in ipairs(drops) do

technic/machines/LV/grinder.lua

@@ -9,5 +9,25 @@ minetest.register_craft({
 	}
 })
 
+if (minetest.get_modpath('everness')) then
+	minetest.register_craft({
+		output = 'technic:lv_grinder',
+		recipe = {
+			{'everness:coral_desert_stone', 'default:diamond',        'everness:coral_desert_stone'},
+			{'everness:coral_desert_stone', 'technic:machine_casing', 'everness:coral_desert_stone'},
+			{'technic:granite',             'technic:lv_cable',       'technic:granite'},
+		}
+	})
+
+	minetest.register_craft({
+		output = 'technic:lv_grinder',
+		recipe = {
+			{'everness:forsaken_desert_stone', 'default:diamond',        'everness:forsaken_desert_stone'},
+			{'everness:forsaken_desert_stone', 'technic:machine_casing', 'everness:forsaken_desert_stone'},
+			{'technic:granite',                'technic:lv_cable',       'technic:granite'},
+		}
+	})
+end
+
 technic.register_grinder({tier="LV", demand={200}, speed=1})
 

technic/machines/LV/init.lua

@@ -22,3 +22,6 @@ dofile(path.."/extractor.lua")
 dofile(path.."/compressor.lua")
 
 dofile(path.."/music_player.lua")
+-- NEW LV LAMPS
+dofile(path.."/led.lua")
+dofile(path.."/lamp.lua")

technic/machines/LV/lamp.lua

@@ -0,0 +1,156 @@
+
+-- LV Lamp
+-- Illuminates a 7x7x3(H) volume below itself with light bright as the sun.
+
+
+local S = technic.getter
+
+local desc = S("@1 Lamp", S("LV"))
+local active_desc = S("@1 Active", desc)
+local unpowered_desc = S("@1 Unpowered", desc)
+local off_desc = S("@1 Off", desc)
+local demand = 50
+
+
+-- Invisible light source node used for illumination
+minetest.register_node("technic:dummy_light_source", {
+	description = S("Dummy light source node"),
+	inventory_image = "technic_dummy_light_source.png",
+	wield_image = "technic_dummy_light_source.png",
+	paramtype = "light",
+	drawtype = "airlike",
+	light_source = 14,
+	sunlight_propagates = true,
+	walkable = false,
+	buildable_to = true,
+	diggable = false,
+	pointable = false,
+	--drop = "",  -- Intentionally allowed to drop itself
+	groups = {not_in_creative_inventory = 1}
+})
+
+
+local function illuminate(pos, active)
+	local pos1 = {x = pos.x - 3, y = pos.y - 1, z = pos.z - 3}
+	local pos2 = {x = pos.x + 3, y = pos.y - 3, z = pos.z + 3}
+
+	local find_node = active and "air" or "technic:dummy_light_source"
+	local set_node = {name = (active and "technic:dummy_light_source" or "air")}
+
+	for _,p in pairs(minetest.find_nodes_in_area(pos1, pos2, find_node)) do
+		minetest.set_node(p, set_node)
+	end
+end
+
+local function lamp_run(pos, node)
+	local meta = minetest.get_meta(pos)
+
+	if meta:get_int("LV_EU_demand") == 0 then
+		return  -- Lamp is turned off
+	end
+
+	local eu_input = meta:get_int("LV_EU_input")
+
+	if node.name == "technic:lv_lamp_active" then
+		if eu_input < demand then
+			technic.swap_node(pos, "technic:lv_lamp")
+			meta:set_string("infotext", unpowered_desc)
+			illuminate(pos, false)
+		else
+			illuminate(pos, true)
+		end
+	elseif node.name == "technic:lv_lamp" then
+		if eu_input >= demand then
+			technic.swap_node(pos, "technic:lv_lamp_active")
+			meta:set_string("infotext", active_desc)
+			illuminate(pos, true)
+		end
+	end
+end
+
+local function lamp_toggle(pos, node, player)
+	if not player or minetest.is_protected(pos, player:get_player_name()) then
+		return
+	end
+	local meta = minetest.get_meta(pos)
+	if meta:get_int("LV_EU_demand") == 0 then
+		meta:set_string("infotext", active_desc)
+		meta:set_int("LV_EU_demand", demand)
+	else
+		illuminate(pos, false)
+		technic.swap_node(pos, "technic:lv_lamp")
+		meta:set_string("infotext", off_desc)
+		meta:set_int("LV_EU_demand", 0)
+	end
+end
+
+local common_fields = {
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {0.5,0.5,0.5,-0.5,-0.2,-0.5}
+	},
+	tiles = {
+		"technic_lv_lamp_top.png",
+		"technic_lv_lamp_bottom.png",
+		"technic_lv_lamp_side.png",
+		"technic_lv_lamp_side.png",
+		"technic_lv_lamp_side.png",
+		"technic_lv_lamp_side.png"
+	},
+	connect_sides = {"front", "back", "left", "right", "top"},
+	can_dig = technic.machine_can_dig,
+	technic_run = lamp_run,
+	on_destruct = illuminate,
+	on_rightclick = lamp_toggle
+}
+
+local ndef
+
+ndef = {
+	description = desc,
+	groups = {cracky = 2, technic_machine = 1, technic_lv = 1},
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("infotext", desc)
+		meta:set_int("LV_EU_demand", demand)
+	end
+}
+
+for k, v in pairs(common_fields) do
+	ndef[k] = v
+end
+
+minetest.register_node("technic:lv_lamp", ndef)
+
+
+ndef = {
+	description = active_desc,
+	paramtype = "light",
+	light_source = 14,
+	drop = "technic:lv_lamp",
+	groups = {cracky = 2, technic_machine = 1, technic_lv = 1, not_in_creative_inventory = 1},
+	technic_on_disable = function(pos)
+		illuminate(pos, false)
+		technic.swap_node(pos, "technic:lv_lamp")
+	end,
+}
+
+for k, v in pairs(common_fields) do
+	ndef[k] = v
+end
+
+minetest.register_node("technic:lv_lamp_active", ndef)
+
+
+technic.register_machine("LV", "technic:lv_lamp", technic.receiver)
+technic.register_machine("LV", "technic:lv_lamp_active", technic.receiver)
+
+minetest.register_craft({
+	output = "technic:lv_lamp",
+	recipe = {
+		{"default:glass", "default:glass", "default:glass"},
+		{"technic:lv_led", "technic:lv_led", "technic:lv_led"},
+		{"mesecons_materials:glue", "technic:lv_cable", "mesecons_materials:glue"},
+	}
+})

technic/machines/LV/led.lua

@@ -0,0 +1,95 @@
+-- LED
+-- Intended primarily as a core component for LED lamps.
+
+local S = technic.getter
+
+local desc = S("@1 LED", S("LV"))
+local active_desc = S("@1 Active", desc)
+local unpowered_desc = S("@1 Unpowered", desc)
+local demand = 5
+
+
+local function led_run(pos, node)
+	local meta = minetest.get_meta(pos)
+	local eu_input = meta:get_int("LV_EU_input")
+
+	if eu_input < demand and node.name == "technic:lv_led_active" then
+		technic.swap_node(pos, "technic:lv_led")
+		meta:set_string("infotext", unpowered_desc)
+	elseif eu_input >= demand and node.name == "technic:lv_led" then
+		technic.swap_node(pos, "technic:lv_led_active")
+		meta:set_string("infotext", active_desc)
+	end
+end
+
+local common_fields = {
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {0.5, 0.5, 0.5, -0.5, 0.3, -0.5}
+	},
+	tiles = {
+		"technic_lv_led_top.png",
+		"technic_lv_led.png",
+		"technic_lv_led_side.png",
+		"technic_lv_led_side2.png",
+		"technic_lv_led_side2.png",
+		"technic_lv_led_side2.png",
+	},
+
+	connect_sides = {"front", "back", "left", "right", "top", "bottom"},
+	can_dig = technic.machine_can_dig,
+	technic_run = led_run,
+}
+
+local ndef
+
+ndef = {
+	description = desc,
+	inventory_image = "technic_lv_led_inv.png",
+	sunlight_propagates = true,
+	groups = {cracky = 2, technic_machine = 1, technic_lv = 1},
+
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("infotext", desc)
+		meta:set_int("LV_EU_demand", demand)
+	end,
+}
+
+for k, v in pairs(common_fields) do
+	ndef[k] = v
+end
+
+minetest.register_node("technic:lv_led", ndef)
+
+
+ndef = {
+	description = active_desc,
+	paramtype = "light",
+	light_source = 9,
+	drop = "technic:lv_led",
+	groups = {cracky = 2, technic_machine = 1, technic_lv = 1, not_in_creative_inventory = 1},
+	technic_on_disable = function(pos)
+		technic.swap_node(pos, "technic:lv_led")
+	end,
+}
+
+for k, v in pairs(common_fields) do
+	ndef[k] = v
+end
+
+minetest.register_node("technic:lv_led_active", ndef)
+
+
+technic.register_machine("LV", "technic:lv_led", technic.receiver)
+technic.register_machine("LV", "technic:lv_led_active", technic.receiver)
+
+minetest.register_craft({
+	output = "technic:lv_led 2",
+	recipe = {
+		{"", "homedecor:plastic_sheeting", ""},
+		{"homedecor:plastic_sheeting", "technic:doped_silicon_wafer", "homedecor:plastic_sheeting"},
+		{"", "technic:fine_silver_wire", ""},
+	}
+})

technic/machines/other/frames.lua

@@ -324,6 +324,7 @@ for zp = 0, 1 do
 
 		on_rightclick = function(pos, node, placer, itemstack, pointed_thing)
 			if is_supported_node(itemstack:get_name()) then
+				-- Stripped down version of "core.item_place_node"
 				if minetest.is_protected(pos, placer:get_player_name()) then
 					minetest.log("action", placer:get_player_name()
 						.. " tried to place " .. itemstack:get_name()
@@ -347,8 +348,7 @@ for zp = 0, 1 do
 				end
 
 				-- Run script hook
-				local callback = nil
+				for _, callback in ipairs(minetest.registered_on_placenodes) do
-				for _, _ in ipairs(minetest.registered_on_placenodes) do
 					-- Copy pos and node because callback can modify them
 					local pos_copy = { x = pos.x, y = pos.y, z = pos.z }
 					local newnode_copy = { name = def.name, param1 = 0, param2 = 0 }

technic/machines/register/battery_box.lua

@@ -192,10 +192,10 @@ function technic.register_battery_box(data)
 	end
 
 	local run = function(pos, node)
-		local below = minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z})
 		local meta = minetest.get_meta(pos)
+		local network_id = tonumber(meta:get_string(tier.."_network"))
 
-		if not technic.is_tier_cable(below.name, tier) then
+		if not technic.networks[network_id] then
 			meta:set_string("infotext", S("%s Battery Box Has No Network"):format(tier))
 			return
 		end
@@ -409,28 +409,23 @@ minetest.register_on_player_receive_fields(
 	end
 )
 
-local function default_get_charge(itemstack)
+function technic.get_charge(itemstack)
 	-- check if is chargable
 	local tool_name = itemstack:get_name()
 	if not technic.power_tools[tool_name] then
 		return 0, 0
 	end
-	-- Set meta data for the tool if it didn't do it itself
+	local item_meta = technic.get_stack_meta(itemstack)
-	local item_meta = minetest.deserialize(itemstack:get_metadata()) or {}
+	return item_meta:get_int("technic:charge"), technic.power_tools[tool_name]
-	if not item_meta.charge then
-		item_meta.charge = 0
-	end
-	return item_meta.charge, technic.power_tools[tool_name]
 end
 
-local function default_set_charge(itemstack, charge)
+function technic.set_charge(itemstack, charge)
 	local tool_name = itemstack:get_name()
 	if technic.power_tools[tool_name] then
 		technic.set_RE_wear(itemstack, charge, technic.power_tools[tool_name])
 	end
-	local item_meta = minetest.deserialize(itemstack:get_metadata()) or {}
+	local item_meta = technic.get_stack_meta(itemstack)
-	item_meta.charge = charge
+	item_meta:set_int("technic:charge", charge)
-	itemstack:set_metadata(minetest.serialize(item_meta))
 end
 
 function technic.charge_tools(meta, batt_charge, charge_step)
@@ -442,8 +437,8 @@ function technic.charge_tools(meta, batt_charge, charge_step)
 
 	-- get callbacks
 	local src_def = src_stack:get_definition()
-	local technic_get_charge = src_def.technic_get_charge or default_get_charge
+	local technic_get_charge = src_def.technic_get_charge or technic.get_charge
-	local technic_set_charge = src_def.technic_set_charge or default_set_charge
+	local technic_set_charge = src_def.technic_set_charge or technic.set_charge
 
 	-- get tool charge
 	local tool_charge, item_max_charge = technic_get_charge(src_stack)
@@ -476,8 +471,8 @@ function technic.discharge_tools(meta, batt_charge, charge_step, max_charge)
 
 	-- get callbacks
 	local src_def = src_stack:get_definition()
-	local technic_get_charge = src_def.technic_get_charge or default_get_charge
+	local technic_get_charge = src_def.technic_get_charge or technic.get_charge
-	local technic_set_charge = src_def.technic_set_charge or default_set_charge
+	local technic_set_charge = src_def.technic_set_charge or technic.set_charge
 
 	-- get tool charge
 	local tool_charge, item_max_charge = technic_get_charge(src_stack)

technic/machines/register/cables.lua

@@ -11,6 +11,13 @@ function technic.get_cable_tier(name)
 	return cable_tier[name]
 end
 
+function technic.register_cable_tier(name, tier)
+	assert(technic.machines[tier], "Tier does not exist")
+	assert(type(name) == "string", "Invalid node name")
+
+	cable_tier[name] = tier
+end
+
 local function check_connections(pos)
 	-- Build a table of all machines
 	local machines = {}
@@ -60,7 +67,7 @@ local function clear_networks(pos)
 				local tier = network.tier
 
 				-- Actually add it to the (cached) network
-				-- This is similar to check_node_subp
+				-- !! IMPORTANT: ../switching_station.lua -> check_node_subp() must be kept in sync
 				technic.cables[minetest.hash_node_position(pos)] = network_id
 				pos.visited = 1
 				if technic.is_tier_cable(node.name, tier) then
@@ -69,7 +76,7 @@ local function clear_networks(pos)
 				elseif technic.machines[tier][node.name] then
 					-- Found a machine
 					local eu_type = technic.machines[tier][node.name]
-					meta:set_string(tier.."_network", minetest.pos_to_string(sw_pos))
+					meta:set_string(tier.."_network", string.format("%.20g", network_id))
 					if     eu_type == technic.producer then
 						table.insert(network.PR_nodes, pos)
 					elseif eu_type == technic.receiver then

technic/machines/register/compressor_recipes.lua

@@ -8,6 +8,71 @@ function technic.register_compressor_recipe(data)
 	technic.register_recipe("compressing", data)
 end
 
+-- Defuse the default recipes, since we have
+-- the compressor to take over in a more realistic manner.
+local crafts_to_clear = {
+	"default:desert_sand",
+	"default:sand",
+	"default:silver_sand",
+}
+
+local dependent_crafts_to_clear = {
+	everness = {
+		"everness:coral_sand",
+		"everness:coral_forest_deep_ocean_sand",
+		"everness:coral_white_sand",
+		"everness:crystal_sand",
+		"everness:cursed_sand",
+		"everness:cursed_lands_deep_ocean_sand",
+		"everness:crystal_forest_deep_ocean_sand",
+		"everness:mineral_sand",
+	},
+	nether = {
+		"nether:brick",
+		"nether:brick_compressed",
+		"nether:rack",
+		"nether:rack_deep",
+	},
+}
+
+-- Add dependent recipes to main collection of
+-- recipes to be cleared if their mods are used.
+for dependency, crafts in pairs(dependent_crafts_to_clear) do
+	if minetest.get_modpath(dependency) then
+		for _, craft_entry in ipairs(crafts) do
+			table.insert(crafts_to_clear, craft_entry)
+		end
+	end
+end
+
+-- Clear recipes
+for _, craft_name in ipairs(crafts_to_clear) do
+	-- Regular bricks are 2x2 shaped, nether bricks are 3x3 shaped (irregular)
+	local is_regular = string.sub(craft_name, 1, 12) ~= "nether:brick"
+	local shaped_recipe
+
+	if is_regular then
+		shaped_recipe = {
+			{craft_name, craft_name},
+			{craft_name, craft_name},
+		}
+	else
+		shaped_recipe = {
+			{craft_name, craft_name, craft_name},
+			{craft_name, craft_name, craft_name},
+			{craft_name, craft_name, craft_name},
+		}
+	end
+
+	minetest.clear_craft({
+		type = "shaped",
+		recipe = shaped_recipe,
+	})
+end
+
+--
+-- Compile compressor recipes
+--
 local recipes = {
 	{"default:snowblock",          "default:ice"},
 	{"default:sand 2",             "default:sandstone"},
@@ -21,27 +86,36 @@ local recipes = {
 	{"technic:uranium35_ingot 5",  "technic:uranium_fuel"},
 }
 
--- defuse the default sandstone recipe, since we have the compressor to take over in a more realistic manner
+local dependent_recipes = {
-minetest.clear_craft({
+	everness = {
-	recipe = {
+		{"everness:coral_deep_ocean_sand 2",          "everness:coral_deep_ocean_sandstone_block"},
-		{"default:sand", "default:sand"},
+		{"everness:coral_sand 2",                     "everness:coral_sandstone"},
-		{"default:sand", "default:sand"},
+		{"everness:coral_white_sand 2",               "everness:coral_white_sandstone"},
+		{"everness:crystal_forest_deep_ocean_sand 2", "everness:crystal_forest_deep_ocean_sandstone_block"},
+		{"everness:crystal_sand 2",                   "everness:crystal_sandstone"},
+		{"everness:cursed_lands_deep_ocean_sand 2",   "everness:cursed_lands_deep_ocean_sandstone_block"},
+		{"everness:cursed_sand 2",                    "everness:cursed_sandstone_block"},
+		{"everness:mineral_sand 2",                   "everness:mineral_sandstone"},
 	},
-})
+	nether = {
-minetest.clear_craft({
+		{"nether:brick 9",				"nether:brick_compressed"},
-	recipe = {
+		{"nether:brick_compressed 9",	"nether:nether_lump"},
-		{"default:desert_sand", "default:desert_sand"},
+		{"nether:rack",                 "nether:brick",},
-		{"default:desert_sand", "default:desert_sand"},
+		{"nether:rack_deep",            "nether:brick_deep"},
 	},
-})
+}
-minetest.clear_craft({
-	recipe = {
-		{"default:silver_sand", "default:silver_sand"},
-		{"default:silver_sand", "default:silver_sand"},
-	},
-})
 
+-- Add dependent recipes to main recipe collection
+-- if their mods are used.
+for dependency, recipes_to_add in pairs(dependent_recipes) do
+	if minetest.get_modpath(dependency) then
+		for _, recipe_entry in ipairs(recipes_to_add) do
+			table.insert(recipes, recipe_entry)
+		end
+	end
+end
+
+-- Register compressor recipes
 for _, data in pairs(recipes) do
 	technic.register_compressor_recipe({input = {data[1]}, output = data[2]})
 end
-

technic/machines/register/grinder_recipes.lua

@@ -23,6 +23,8 @@ local recipes = {
 	{"technic:sulfur_lump",        "technic:sulfur_dust 2"},
 	{"default:stone",              "technic:stone_dust"},
 	{"default:sand",               "technic:stone_dust"},
+	{"default:desert_sand",        "technic:stone_dust"},
+	{"default:silver_sand",        "technic:stone_dust"},
 
 	-- Other
 	{"default:cobble",           "default:gravel"},
@@ -34,49 +36,73 @@ local recipes = {
 	{"default:ice",              "default:snowblock"},
 }
 
+local dependent_recipes = {
+	-- Sandstones
+	everness = {
+		{"everness:coral_deep_ocean_sandstone_block",			"everness:coral_deep_ocean_sand 2"},
+		{"everness:coral_sandstone",							"everness:coral_sand 2"},
+		{"everness:coral_white_sandstone",						"everness:coral_white_sand 2"},
+		{"everness:crystal_forest_deep_ocean_sandstone_block",	"everness:crystal_forest_deep_ocean_sand 2"},
+		{"everness:crystal_sandstone",							"everness:crystal_sand 2"},
+		{"everness:cursed_lands_deep_ocean_sandstone_block",	"everness:cursed_lands_deep_ocean_sand 2"},
+		{"everness:cursed_sandstone_block",						"everness:cursed_sand 2"},
+		{"everness:mineral_sandstone",							"everness:mineral_sand 2"},
+	-- Lumps and wheat
+		{"everness:pyrite_lump",	"technic:pyrite_dust 2"},
+	},
+	farming = {
+		{"farming:seed_wheat",		"farming:flour 1"},
+	},
+	gloopores = {
+		{"gloopores:alatro_lump",	"technic:alatro_dust 2"},
+		{"gloopores:kalite_lump",	"technic:kalite_dust 2"},
+		{"gloopores:arol_lump",		"technic:arol_dust 2"},
+		{"gloopores:talinite_lump",	"technic:talinite_dust 2"},
+		{"gloopores:akalin_lump",	"technic:akalin_dust 2"},
+	},
+	homedecor = {
+		{"home_decor:brass_ingot",	"technic:brass_dust 1"},
+	},
+	moreores = {
+		{"moreores:mithril_lump",	"technic:mithril_dust 2"},
+		{"moreores:silver_lump",	"technic:silver_dust 2"},
+	},
+	nether = {
+		{"nether:nether_lump",		"technic:nether_dust 2"},
+	},
+}
+
+for dependency, materials_to_add in pairs(dependent_recipes) do
+	if minetest.get_modpath(dependency) then
+		for _, material_entry in ipairs(materials_to_add) do
+			table.insert(recipes, material_entry)
+		end
+	end
+end
+
 -- defuse the sandstone -> 4 sand recipe to avoid infinite sand bugs (also consult the inverse compressor recipe)
 minetest.clear_craft({
-	recipe = {
+	recipe = {{"default:sandstone"}},
-		{"default:sandstone"}
-	},
 })
 minetest.clear_craft({
-	recipe = {
+	recipe = {{"default:desert_sandstone"}},
-		{"default:desert_sandstone"}
-	},
 })
 minetest.clear_craft({
-	recipe = {
+	recipe = {{"default:silver_sandstone"}},
-		{"default:silver_sandstone"}
-	},
 })
 
-if minetest.get_modpath("farming") then
+if minetest.get_modpath("everness") then
-	table.insert(recipes, {"farming:seed_wheat",   "farming:flour 1"})
+	minetest.clear_craft({
+		recipe = {{"everness:mineral_sandstone"}},
+	})
+	-- Currently (2024-03-09), there seem to be no reverse recipes for any of the other everness sandstones.
 end
 
-if minetest.get_modpath("moreores") then
+for _, data in ipairs(recipes) do
-	table.insert(recipes, {"moreores:mithril_lump",   "technic:mithril_dust 2"})
-	table.insert(recipes, {"moreores:silver_lump",    "technic:silver_dust 2"})
-end
-
-if minetest.get_modpath("gloopores") or minetest.get_modpath("glooptest") then
-	table.insert(recipes, {"gloopores:alatro_lump",   "technic:alatro_dust 2"})
-	table.insert(recipes, {"gloopores:kalite_lump",   "technic:kalite_dust 2"})
-	table.insert(recipes, {"gloopores:arol_lump",     "technic:arol_dust 2"})
-	table.insert(recipes, {"gloopores:talinite_lump", "technic:talinite_dust 2"})
-	table.insert(recipes, {"gloopores:akalin_lump",   "technic:akalin_dust 2"})
-end
-
-if minetest.get_modpath("homedecor") then
-	table.insert(recipes, {"home_decor:brass_ingot", "technic:brass_dust 1"})
-end
-
-for _, data in pairs(recipes) do
 	technic.register_grinder_recipe({input = {data[1]}, output = data[2]})
 end
 
--- dusts
+-- Dusts
 local function register_dust(name, ingot)
 	local lname = string.lower(name)
 	lname = string.gsub(lname, ' ', '_')
@@ -94,33 +120,57 @@ local function register_dust(name, ingot)
 	end
 end
 
--- Sorted alphibeticaly
+-- Sorted alphabetically
-register_dust("Brass",           "basic_materials:brass_ingot")
+local dusts = {
-register_dust("Bronze",          "default:bronze_ingot")
+	{"Brass",           "basic_materials:brass_ingot"},
-register_dust("Carbon Steel",    "technic:carbon_steel_ingot")
+	{"Bronze",          "default:bronze_ingot"},
-register_dust("Cast Iron",       "technic:cast_iron_ingot")
+	{"Carbon Steel",    "technic:carbon_steel_ingot"},
-register_dust("Chernobylite",    "technic:chernobylite_block")
+	{"Cast Iron",       "technic:cast_iron_ingot"},
-register_dust("Chromium",        "technic:chromium_ingot")
+	{"Chernobylite",    "technic:chernobylite_block"},
-register_dust("Coal",            nil)
+	{"Chromium",        "technic:chromium_ingot"},
-register_dust("Copper",          "default:copper_ingot")
+	{"Coal",            nil},
-register_dust("Lead",            "technic:lead_ingot")
+	{"Copper",          "default:copper_ingot"},
-register_dust("Gold",            "default:gold_ingot")
+	{"Lead",            "technic:lead_ingot"},
-register_dust("Mithril",         "moreores:mithril_ingot")
+	{"Gold",            "default:gold_ingot"},
-register_dust("Silver",          "moreores:silver_ingot")
+	{"Mithril",         "moreores:mithril_ingot"},
-register_dust("Stainless Steel", "technic:stainless_steel_ingot")
+	{"Silver",          "moreores:silver_ingot"},
-register_dust("Stone",           "default:stone")
+	{"Stainless Steel", "technic:stainless_steel_ingot"},
-register_dust("Sulfur",          nil)
+	{"Stone",           "default:stone"},
-register_dust("Tin",             "default:tin_ingot")
+	{"Sulfur",          nil},
-register_dust("Wrought Iron",    "technic:wrought_iron_ingot")
+	{"Tin",             "default:tin_ingot"},
-register_dust("Zinc",            "technic:zinc_ingot")
+	{"Wrought Iron",    "technic:wrought_iron_ingot"},
-if minetest.get_modpath("gloopores") or minetest.get_modpath("glooptest") then
+	{"Zinc",            "technic:zinc_ingot"},
-	register_dust("Akalin",          "glooptest:akalin_ingot")
+}
-	register_dust("Alatro",          "glooptest:alatro_ingot")
+
-	register_dust("Arol",            "glooptest:arol_ingot")
+local dependent_dusts = {
-	register_dust("Kalite",          nil)
+	everness = {
-	register_dust("Talinite",        "glooptest:talinite_ingot")
+		{"Pyrite",          "everness:pyrite_ingot"},
+	},
+	gloopores = {
+		{"Akalin",          "glooptest:akalin_ingot"},
+		{"Alatro",          "glooptest:alatro_ingot"},
+		{"Arol",            "glooptest:arol_ingot"},
+		{"Kalite",          nil},
+		{"Talinite",        "glooptest:talinite_ingot"},
+	},
+	nether = {
+		{"Nether",          "nether:nether_ingot"},
+	},
+}
+
+for dependency, dusts_to_add in pairs(dependent_dusts) do
+	if minetest.get_modpath(dependency) then
+		for _, dust_entry in pairs(dusts_to_add) do
+			table.insert(dusts, dust_entry)
+		end
+	end
 end
 
+for _, data in ipairs(dusts) do
+	register_dust(data[1], data[2])
+end
+
+-- Uranium
 for p = 0, 35 do
 	local nici = (p ~= 0 and p ~= 7 and p ~= 35) and 1 or nil
 	local psuffix = p == 7 and "" or p
@@ -156,6 +206,7 @@ for pa = 0, 34 do
 	end
 end
 
+-- Fuels
 minetest.register_craft({
 	type = "fuel",
 	recipe = "technic:coal_dust",

technic/machines/supply_converter.lua

@@ -120,7 +120,7 @@ local run = function(pos, node, run_stage)
 		return
 	end
 
-	local remain = 0.9
+	local efficiency = 0.9
 	-- Machine information
 	local machine_name  = S("Supply Converter")
 	local meta          = minetest.get_meta(pos)
@@ -133,7 +133,6 @@ local run = function(pos, node, run_stage)
 		enabled = enabled == "1"
 	end
 	enabled = enabled and (meta:get_int("mesecon_mode") == 0 or meta:get_int("mesecon_effect") ~= 0)
-	local demand = enabled and meta:get_int("power") or 0
 
 	local pos_up        = {x=pos.x, y=pos.y+1, z=pos.z}
 	local pos_down      = {x=pos.x, y=pos.y-1, z=pos.z}
@@ -144,14 +143,37 @@ local run = function(pos, node, run_stage)
 	local to   = technic.get_cable_tier(name_down)
 
 	if from and to then
-		local input = meta:get_int(from.."_EU_input")
+		-- Get the "to" network switching station for EU demand calculation
-		meta:set_int(from.."_EU_demand", demand)
+		local network_hash = technic.cables[minetest.hash_node_position(pos_down)]
+		local network = network_hash and minetest.get_position_from_hash(network_hash)
+		local sw_pos = network and {x=network.x,y=network.y+1,z=network.z}
+		local timeout = 0
+		for tier in pairs(technic.machines) do
+			-- Supply converter must be connected to a network
+			timeout = math.max(meta:get_int(tier.."_EU_timeout"), timeout)
+		end
+		if timeout > 0 and sw_pos and minetest.get_node(sw_pos).name == "technic:switching_station" then
+			local sw_meta = minetest.get_meta(sw_pos)
+			local demand = 0
+			if enabled then
+				-- Reverse evaluate the required machine and round to a nice number
+				demand = sw_meta:get_int("ba_demand") + sw_meta:get_int("demand")
+				demand = 100 * math.ceil(demand / efficiency / 100)
+				-- Do not draw more than the limit
+				demand = math.min(demand, meta:get_int("power"))
+			end
+
+			local input = meta:get_int(from.."_EU_input") -- actual input
+			meta:set_int(from.."_EU_demand", demand) -- desired input
 			meta:set_int(from.."_EU_supply", 0)
 			meta:set_int(to.."_EU_demand", 0)
-		meta:set_int(to.."_EU_supply", input * remain)
+			meta:set_int(to.."_EU_supply", input * efficiency)
 			meta:set_string("infotext", S("@1 (@2 @3 -> @4 @5)", machine_name,
 				technic.EU_string(input), from,
-			technic.EU_string(input * remain), to))
+				technic.EU_string(input * efficiency), to))
+		else
+			meta:set_string("infotext",S("%s Has No Network"):format(machine_name))
+		end
 	else
 		meta:set_string("infotext", S("%s Has Bad Cabling"):format(machine_name))
 		if to then

technic/machines/switching_station.lua

@@ -117,6 +117,7 @@ local function add_cable_node(nodes, pos, network_id, queue)
 end
 
 -- Generic function to add found connected nodes to the right classification array
+-- !! IMPORTANT: register/cables.lua -> clear_networks() must be kept in sync
 local check_node_subp = function(network, pos, machines, sw_pos, from_below, network_id, queue)
 	technic.get_or_load_node(pos)
 	local name = minetest.get_node(pos).name
@@ -133,7 +134,9 @@ local check_node_subp = function(network, pos, machines, sw_pos, from_below, net
 
 	--dprint(name.." is a "..machines[name])
 	local meta = minetest.get_meta(pos)
-	meta:set_string(network.tier.."_network", minetest.pos_to_string(sw_pos))
+	-- Normal tostring() does not have enough precision, neither does meta:set_int()
+	-- Lua 5.1 bug: Cannot use hexadecimal notation for compression (see LuaJIT #911)
+	meta:set_string(network.tier.."_network", string.format("%.20g", network_id))
 
 	if     eu_type == technic.producer then
 		add_network_node(network.PR_nodes, pos, network_id)
@@ -354,6 +357,8 @@ minetest.register_abm({
 			BA_eu_supply = BA_eu_supply + meta1:get_int(eu_supply_str)
 			BA_eu_demand = BA_eu_demand + meta1:get_int(eu_demand_str)
 		end
+		-- Expose value for the supply converter
+		meta:set_int("ba_demand", BA_eu_demand)
 		--dprint("Total BA supply:"..BA_eu_supply)
 		--dprint("Total BA demand:"..BA_eu_demand)
 

technic/mod.conf

@@ -1,3 +1,3 @@
 name = technic
 depends = default, pipeworks, technic_worldgen, basic_materials
-optional_depends = bucket, screwdriver, mesecons, mesecons_mvps, digilines, digiline_remote, intllib, unified_inventory, vector_extras, dye, craftguide,i3
+optional_depends = bucket, screwdriver, mesecons, mesecons_mvps, digilines, digiline_remote, intllib, unified_inventory, vector_extras, dye, craftguide, i3, everness, nether