Replace minetest namespace with core (#158 )

Co-authored-by: SX <50966843+S-S-X@users.noreply.github.com>
Check destination node before injecting item (#163 )
2025-06-26 17:41:04 +10:00 · 2025-06-26 17:33:25 +10:00 · 2025-06-26 17:32:25 +10:00 · 2025-05-18 21:18:43 -04:00 · 2025-05-11 22:02:25 +02:00 · 2025-05-09 06:52:08 +02:00
34 changed files with 715 additions and 668 deletions
--- a/.gitignore
+++ b/.gitignore
@ -1,4 +1,4 @@
-## Files related to minetest development cycle
+## Files related to luanti development cycle
 /*.patch
 # GNU Patch reject file
 *.rej
--- a/.luacheckrc
+++ b/.luacheckrc
@ -9,8 +9,10 @@ globals = {
 }

 read_globals = {
+	-- remove after luacheck release: https://github.com/lunarmodules/luacheck/issues/121
+	"core",
 	-- mods
-	"default", "mesecon", "digiline",
+	"default", "mesecon", "digilines",
 	"screwdriver", "unified_inventory",
 	"i3", "mcl_experience", "awards",
 	"xcompat", "fakelib", "vizlib"
--- a/autocrafter.lua
+++ b/autocrafter.lua
@ -1,6 +1,6 @@
-local S = minetest.get_translator("pipeworks")
+local S = core.get_translator("pipeworks")
 -- cache some recipe data to avoid calling the slow function
-- minetest.get_craft_result() every second
+-- core.get_craft_result() every second
 local autocrafterCache = {}

 local craft_time = 1
@ -20,7 +20,7 @@ end

 local function get_item_info(stack)
 	local name = stack:get_name()
-	local def = minetest.registered_items[name]
+	local def = core.registered_items[name]
 	local description = def and def.description or S("Unknown item")
 	return description, name
 end
@ -28,7 +28,7 @@ end
 -- Get best matching recipe for what user has put in crafting grid.
 -- This function does not consider crafting method (mix vs craft)
 local function get_matching_craft(output_name, example_recipe)
-	local recipes = minetest.get_all_craft_recipes(output_name)
+	local recipes = core.get_all_craft_recipes(output_name)
 	if not recipes then
 		return example_recipe
 	end
@ -49,7 +49,7 @@ local function get_matching_craft(output_name, example_recipe)
 			elseif recipe_item_name:sub(1, 6) == "group:" then
 				group = recipe_item_name:sub(7)
 				for example_item_name, _ in pairs(index_example) do
-					if minetest.get_item_group(
+					if core.get_item_group(
 						example_item_name, group) ~= 0
 					then
 						score = score + 1
@ -68,12 +68,12 @@ local function get_matching_craft(output_name, example_recipe)
 end

 local function get_craft(pos, inventory, hash)
-	local hash = hash or minetest.hash_node_position(pos)
+	local hash = hash or core.hash_node_position(pos)
 	local craft = autocrafterCache[hash]
 	if craft then return craft end

 	local example_recipe = inventory:get_list("recipe")
-	local output, decremented_input = minetest.get_craft_result({
+	local output, decremented_input = core.get_craft_result({
 		method = "normal", width = 3, items = example_recipe
 	})

@ -132,7 +132,7 @@ local function calculate_consumption(inv_index, consumption_with_groups)
 		local found = 0
 		local count_ingredient_groups = #ingredient_groups
 		for i = 1, count_ingredient_groups do
-			if minetest.get_item_group(name,
+			if core.get_item_group(name,
 				ingredient_groups[i]) ~= 0
 			then
 				found = found + 1
@ -241,7 +241,7 @@ local function autocraft(inventory, craft)
 	for i = 1, 9 do
 		leftover = inventory:add_item("dst", craft.decremented_input[i])
 		if leftover and not leftover:is_empty() then
-			minetest.log("warning", "[pipeworks] autocrafter didn't " ..
+			core.log("warning", "[pipeworks] autocrafter didn't " ..
 				"calculate output space correctly.")
 		end
 	end
@ -252,7 +252,7 @@ end
 -- is started only from start_autocrafter(pos) after sanity checks and
 -- recipe is cached
 local function run_autocrafter(pos, elapsed)
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	local inventory = meta:get_inventory()
 	local craft = get_craft(pos, inventory)
 	local output_item = craft.output.item
@ -270,9 +270,9 @@ local function run_autocrafter(pos, elapsed)
 end

 local function start_crafter(pos)
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	if meta:get_int("enabled") == 1 then
-		local timer = minetest.get_node_timer(pos)
+		local timer = core.get_node_timer(pos)
 		if not timer:is_started() then
 			timer:start(craft_time)
 		end
@ -286,12 +286,12 @@ end
 -- note, that this function assumes allready being updated to virtual items
 -- and doesn't handle recipes with stacksizes > 1
 local function after_recipe_change(pos, inventory)
-	local hash = minetest.hash_node_position(pos)
-	local meta = minetest.get_meta(pos)
+	local hash = core.hash_node_position(pos)
+	local meta = core.get_meta(pos)
 	autocrafterCache[hash] = nil
 	-- if we emptied the grid, there's no point in keeping it running or cached
 	if inventory:is_empty("recipe") then
-		minetest.get_node_timer(pos):stop()
+		core.get_node_timer(pos):stop()
 		meta:set_string("infotext", S("unconfigured Autocrafter"))
 		inventory:set_stack("output", 1, "")
 		return
@ -307,12 +307,12 @@ end

 -- clean out unknown items and groups, which would be handled like unknown
 -- items in the crafting grid
-- if minetest supports query by group one day, this might replace them
+-- if Luanti supports query by group one day, this might replace them
 -- with a canonical version instead
 local function normalize(item_list)
 	for i = 1, #item_list do
 		local name = item_list[i]
-		if not minetest.registered_items[name] then
+		if not core.registered_items[name] then
 			item_list[i] = ""
 		end
 	end
@ -324,7 +324,7 @@ local function on_output_change(pos, inventory, stack)
 		inventory:set_list("output", {})
 		inventory:set_list("recipe", {})
 	else
-		local input = minetest.get_craft_recipe(stack:get_name())
+		local input = core.get_craft_recipe(stack:get_name())
 		if not input.items or input.type ~= "normal" then return end
 		local items, width = normalize(input.items), input.width
 		local item_idx, width_idx = 1, 1
@ -349,7 +349,7 @@ local function update_meta(meta, enabled)
 	local state = enabled and "on" or "off"
 	meta:set_int("enabled", enabled and 1 or 0)
 	local list_backgrounds = ""
-	if minetest.get_modpath("i3") or minetest.get_modpath("mcl_formspec") then
+	if core.get_modpath("i3") or core.get_modpath("mcl_formspec") then
 		list_backgrounds = "style_type[box;colors=#666]"
 		for i = 0, 2 do
 			for j = 0, 2 do
@ -389,7 +389,7 @@ local function update_meta(meta, enabled)
 		"listring[current_player;main]" ..
 		"listring[context;dst]" ..
 		"listring[current_player;main]"
-	if minetest.get_modpath("digilines") then
+	if core.get_modpath("digilines") then
 		fs = fs .. "field[0.22,4.1;4.5,0.75;channel;" .. S("Channel") ..
 			";${channel}]" ..
 			"button[5,4.1;1.5,0.75;set_channel;" .. S("Set") .. "]" ..
@ -422,7 +422,7 @@ end
 -- so we work out way backwards on this history and update each single case
 --   to the newest version
 local function upgrade_autocrafter(pos, meta)
-	local meta = meta or minetest.get_meta(pos)
+	local meta = meta or core.get_meta(pos)
 	local inv = meta:get_inventory()

 	if inv:get_size("output") == 0 then -- we are version 2 or 1
@ -439,7 +439,7 @@ local function upgrade_autocrafter(pos, meta)
 			if not recipe then return end
 			for idx, stack in ipairs(recipe) do
 				if not stack:is_empty() then
-					minetest.add_item(pos, stack)
+					core.add_item(pos, stack)
 					stack:set_count(1)
 					stack:set_wear(0)
 					inv:set_stack("recipe", idx, stack)
@ -448,12 +448,12 @@ local function upgrade_autocrafter(pos, meta)
 		end

 		-- update the recipe, cache, and start the crafter
-		autocrafterCache[minetest.hash_node_position(pos)] = nil
+		autocrafterCache[core.hash_node_position(pos)] = nil
 		after_recipe_change(pos, inv)
 	end
 end

-minetest.register_node("pipeworks:autocrafter", {
+core.register_node("pipeworks:autocrafter", {
 	description = S("Autocrafter"),
 	drawtype = "normal",
 	tiles = {"pipeworks_autocrafter.png"},
@ -461,14 +461,14 @@ minetest.register_node("pipeworks:autocrafter", {
 	is_ground_content = false,
 	_mcl_hardness=0.8,
 	tube = {insert_object = function(pos, node, stack, direction)
-			local meta = minetest.get_meta(pos)
+			local meta = core.get_meta(pos)
 			local inv = meta:get_inventory()
 			local added = inv:add_item("src", stack)
 			after_inventory_change(pos)
 			return added
 		end,
 		can_insert = function(pos, node, stack, direction)
-			local meta = minetest.get_meta(pos)
+			local meta = core.get_meta(pos)
 			local inv = meta:get_inventory()
 			return inv:room_for_item("src", stack)
 		end,
@ -478,7 +478,7 @@ minetest.register_node("pipeworks:autocrafter", {
 			}
 	},
 	on_construct = function(pos)
-		local meta = minetest.get_meta(pos)
+		local meta = core.get_meta(pos)
 		local inv = meta:get_inventory()
 		inv:set_size("src", 3 * 8)
 		inv:set_size("recipe", 3 * 3)
@ -492,10 +492,10 @@ minetest.register_node("pipeworks:autocrafter", {
 		then
 			return
 		end
-		local meta = minetest.get_meta(pos)
+		local meta = core.get_meta(pos)
 		if fields.on then
 			update_meta(meta, false)
-			minetest.get_node_timer(pos):stop()
+			core.get_node_timer(pos):stop()
 		elseif fields.off then
 			if update_meta(meta, true) then
 				start_crafter(pos)
@ -507,7 +507,7 @@ minetest.register_node("pipeworks:autocrafter", {
 	end,
 	can_dig = function(pos, player)
 		upgrade_autocrafter(pos)
-		local meta = minetest.get_meta(pos)
+		local meta = core.get_meta(pos)
 		local inv = meta:get_inventory()
 		return (inv:is_empty("src") and inv:is_empty("dst"))
 	end,
@ -516,12 +516,12 @@ minetest.register_node("pipeworks:autocrafter", {
 		pipeworks.scan_for_tube_objects(pos)
 	end,
 	on_destruct = function(pos)
-		autocrafterCache[minetest.hash_node_position(pos)] = nil
+		autocrafterCache[core.hash_node_position(pos)] = nil
 	end,
 	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
 		if not pipeworks.may_configure(pos, player) then return 0 end
 		upgrade_autocrafter(pos)
-		local inv = minetest.get_meta(pos):get_inventory()
+		local inv = core.get_meta(pos):get_inventory()
 		if listname == "recipe" then
 			stack:set_count(1)
 			inv:set_stack(listname, index, stack)
@ -536,13 +536,13 @@ minetest.register_node("pipeworks:autocrafter", {
 	end,
 	allow_metadata_inventory_take = function(pos, listname, index, stack, player)
 		if not pipeworks.may_configure(pos, player) then
-			minetest.log("action", string.format("%s attempted to take from " ..
+			core.log("action", string.format("%s attempted to take from " ..
 				"autocrafter at %s",
-				player:get_player_name(), minetest.pos_to_string(pos)))
+				player:get_player_name(), core.pos_to_string(pos)))
 			return 0
 		end
 		upgrade_autocrafter(pos)
-		local inv = minetest.get_meta(pos):get_inventory()
+		local inv = core.get_meta(pos):get_inventory()
 		if listname == "recipe" then
 			inv:set_stack(listname, index, ItemStack(""))
 			after_recipe_change(pos, inv)
@ -559,7 +559,7 @@ minetest.register_node("pipeworks:autocrafter", {

 		if not pipeworks.may_configure(pos, player) then return 0 end
 		upgrade_autocrafter(pos)
-		local inv = minetest.get_meta(pos):get_inventory()
+		local inv = core.get_meta(pos):get_inventory()
 		local stack = inv:get_stack(from_list, from_index)

 		if to_list == "output" then
@ -588,11 +588,11 @@ minetest.register_node("pipeworks:autocrafter", {
 		return count
 	end,
 	on_timer = run_autocrafter,
-	digiline = {
+	digilines = {
 		receptor = {},
 		effector = {
 			action = function(pos,node,channel,msg)
-				local meta = minetest.get_meta(pos)
+				local meta = core.get_meta(pos)
 				if channel ~= meta:get_string("channel") then return end
 				if type(msg) == "table" then
 					if #msg < 3 then return end
@ -601,7 +601,7 @@ minetest.register_node("pipeworks:autocrafter", {
 						local row = msg[y + 1]
 						for x = 1, 3, 1 do
 							local slot = y * 3 + x
-							if type(row) == "table" and minetest.registered_items[row[x]] then
+							if type(row) == "table" and core.registered_items[row[x]] then
 								inv:set_stack("recipe", slot, ItemStack(
 									row[x]))
 							else
@ -611,7 +611,7 @@ minetest.register_node("pipeworks:autocrafter", {
 					end
 					after_recipe_change(pos,inv)
 				elseif msg == "get_recipe" then
-					local meta = minetest.get_meta(pos)
+					local meta = core.get_meta(pos)
 					local inv = meta:get_inventory()
 					local recipe = {}
 					for y = 0, 2, 1 do
@ -625,7 +625,7 @@ minetest.register_node("pipeworks:autocrafter", {
 					end
 					local setchan = meta:get_string("channel")
 					local output = inv:get_stack("output", 1)
-					digiline:receptor_send(pos, digiline.rules.default, setchan, {
+					digilines.receptor_send(pos, digilines.rules.default, setchan, {
 						recipe = recipe,
 						result = {
 							name = output:get_name(),
@ -634,7 +634,7 @@ minetest.register_node("pipeworks:autocrafter", {
 					  })
 				elseif msg == "off" then
 					update_meta(meta, false)
-					minetest.get_node_timer(pos):stop()
+					core.get_node_timer(pos):stop()
 				elseif msg == "on" then
 					if update_meta(meta, true) then
 						start_crafter(pos)
--- a/autodetect-finite-water.lua
+++ b/autodetect-finite-water.lua
@ -1,7 +1,7 @@
 -- enable finite liquid in the presence of dynamic liquid to preserve water volume.
 local enable = false

-if minetest.get_modpath("dynamic_liquid") then
+if core.get_modpath("dynamic_liquid") then
 	pipeworks.logger("detected mod dynamic_liquid, enabling finite liquid flag")
 	enable = true
 end
--- a/autoplace_pipes.lua
+++ b/autoplace_pipes.lua
@ -31,32 +31,32 @@ function pipeworks.get_axis_dir(nodetable, pattern)
 	local pxm,pxp,pym,pyp,pzm,pzp

 	if string.find(nodetable.nxm.name, pattern)
-	  and minetest.facedir_to_dir(nodetable.nxm.param2).x ~= 0 then
+	  and core.facedir_to_dir(nodetable.nxm.param2).x ~= 0 then
 		pxm=1
 	end

 	if string.find(nodetable.nxp.name, pattern)
-	  and minetest.facedir_to_dir(nodetable.nxp.param2).x ~= 0 then
+	  and core.facedir_to_dir(nodetable.nxp.param2).x ~= 0 then
 		pxp=1
 	end

 	if string.find(nodetable.nzm.name, pattern)
-	  and minetest.facedir_to_dir(nodetable.nzm.param2).z ~= 0 then
+	  and core.facedir_to_dir(nodetable.nzm.param2).z ~= 0 then
 		pzm=1
 	end

 	if string.find(nodetable.nzp.name, pattern)
-	  and minetest.facedir_to_dir(nodetable.nzp.param2).z ~= 0 then
+	  and core.facedir_to_dir(nodetable.nzp.param2).z ~= 0 then
 		pzp=1
 	end

 	if string.find(nodetable.nym.name, pattern)
-	  and minetest.facedir_to_dir(nodetable.nym.param2).y ~= 0 then
+	  and core.facedir_to_dir(nodetable.nym.param2).y ~= 0 then
 		pym=1
 	end

 	if string.find(nodetable.nyp.name, pattern)
-	  and minetest.facedir_to_dir(nodetable.nyp.param2).y ~= 0 then
+	  and core.facedir_to_dir(nodetable.nyp.param2).y ~= 0 then
 		pyp=1
 	end
 	local match = pxm or pxp or pym or pyp or pzm or pzp
@ -67,14 +67,14 @@ local tube_table = {[0] = 1, 2, 2, 4, 2, 4, 4, 5, 2, 3, 4, 6, 4, 6, 5, 7, 2, 4,
 local tube_table_facedirs = {[0] = 0, 0, 5, 0, 3, 4, 3, 0, 2, 0, 2, 0, 6, 4, 3, 0, 7, 12, 5, 12, 7, 4, 5, 5, 18, 20, 16, 0, 7, 4, 7, 0, 1, 8, 1, 1, 1, 13, 1, 1, 10, 8, 2, 2, 17, 4, 3, 6, 9, 9, 9, 9, 21, 13, 1, 1, 10, 10, 11, 2, 19, 4, 3, 0}

 local function autoroute_pipes(pos)
-	local nctr = minetest.get_node(pos)
+	local nctr = core.get_node(pos)
 	local state = "_empty"
 	if (string.find(nctr.name, "pipeworks:pipe_") == nil) then return end
 	if (string.find(nctr.name, "_loaded") ~= nil) then state = "_loaded" end
 	local nsurround = pipeworks.scan_pipe_surroundings(pos)

 	if nsurround == 0 then nsurround = 9 end
-	minetest.swap_node(pos, {name = "pipeworks:pipe_"..tube_table[nsurround]..state,
+	core.swap_node(pos, {name = "pipeworks:pipe_"..tube_table[nsurround]..state,
 				param2 = tube_table_facedirs[nsurround]})
 end

@ -98,12 +98,12 @@ function pipeworks.scan_pipe_surroundings(pos)
 	local pzm=0
 	local pzp=0

-	local nxm = minetest.get_node({ x=pos.x-1, y=pos.y  , z=pos.z   })
-	local nxp = minetest.get_node({ x=pos.x+1, y=pos.y  , z=pos.z   })
-	local nym = minetest.get_node({ x=pos.x  , y=pos.y-1, z=pos.z   })
-	local nyp = minetest.get_node({ x=pos.x  , y=pos.y+1, z=pos.z   })
-	local nzm = minetest.get_node({ x=pos.x  , y=pos.y  , z=pos.z-1 })
-	local nzp = minetest.get_node({ x=pos.x  , y=pos.y  , z=pos.z+1 })
+	local nxm = core.get_node({ x=pos.x-1, y=pos.y  , z=pos.z   })
+	local nxp = core.get_node({ x=pos.x+1, y=pos.y  , z=pos.z   })
+	local nym = core.get_node({ x=pos.x  , y=pos.y-1, z=pos.z   })
+	local nyp = core.get_node({ x=pos.x  , y=pos.y+1, z=pos.z   })
+	local nzm = core.get_node({ x=pos.x  , y=pos.y  , z=pos.z-1 })
+	local nzp = core.get_node({ x=pos.x  , y=pos.y  , z=pos.z+1 })

 	local nodetable = {
 		nxm = nxm,
@ -173,12 +173,12 @@ function pipeworks.scan_pipe_surroundings(pos)

 -- ... other nodes

-	local def_left   = minetest.registered_nodes[nxp.name] -- the node that {pos} is to the left of (not the
-	local def_right  = minetest.registered_nodes[nxm.name] -- ...note that is AT the left!), etc.
-	local def_bottom = minetest.registered_nodes[nyp.name]
-	local def_top    = minetest.registered_nodes[nym.name]
-	local def_front  = minetest.registered_nodes[nzp.name]
-	local def_back   = minetest.registered_nodes[nzm.name]
+	local def_left   = core.registered_nodes[nxp.name] -- the node that {pos} is to the left of (not the
+	local def_right  = core.registered_nodes[nxm.name] -- ...note that is AT the left!), etc.
+	local def_bottom = core.registered_nodes[nyp.name]
+	local def_top    = core.registered_nodes[nym.name]
+	local def_front  = core.registered_nodes[nzp.name]
+	local def_back   = core.registered_nodes[nzm.name]

 	if def_left and def_left.pipe_connections and def_left.pipe_connections.left
 	  and (not def_left.pipe_connections.pattern or string.find(nxp.name, def_left.pipe_connections.pattern))
@ -211,16 +211,16 @@ function pipeworks.scan_pipe_surroundings(pos)
 		pzm = 1
 	end

-	minetest.log("info", "stage 2 returns "..pxm+8*pxp+2*pym+16*pyp+4*pzm+32*pzp..
-		" for nodes surrounding "..minetest.get_node(pos).name.." at "..minetest.pos_to_string(pos))
+	core.log("info", "stage 2 returns "..pxm+8*pxp+2*pym+16*pyp+4*pzm+32*pzp..
+		" for nodes surrounding "..core.get_node(pos).name.." at "..core.pos_to_string(pos))
 	return pxm+8*pxp+2*pym+16*pyp+4*pzm+32*pzp
 end

 function pipeworks.look_for_stackable_tanks(pos)
-	local tym = minetest.get_node({ x=pos.x  , y=pos.y-1, z=pos.z   })
+	local tym = core.get_node({ x=pos.x  , y=pos.y-1, z=pos.z   })

 	if string.find(tym.name, "pipeworks:storage_tank_") ~= nil or
 	    string.find(tym.name, "pipeworks:expansion_tank_") ~= nil then
-		minetest.add_node(pos, { name =  "pipeworks:expansion_tank_0", param2 = tym.param2})
+		core.add_node(pos, { name =  "pipeworks:expansion_tank_0", param2 = tym.param2})
 	end
 end
--- a/autoplace_tubes.lua
+++ b/autoplace_tubes.lua
@ -10,7 +10,7 @@ local function nodeside(node, tubedir)
 		node.param2 = 0
 	end

-	local backdir = minetest.facedir_to_dir(node.param2)
+	local backdir = core.facedir_to_dir(node.param2)
 	local back = vector.dot(backdir, tubedir)
 	if back == 1 then
 		return "back"
@ -40,7 +40,7 @@ local tube_table = {[0] = 1, 2, 2, 4, 2, 4, 4, 5, 2, 3, 4, 6, 4, 6, 5, 7, 2, 4,
 local tube_table_facedirs = {[0] = 0, 0, 5, 0, 3, 4, 3, 0, 2, 0, 2, 0, 6, 4, 3, 0, 7, 12, 5, 12, 7, 4, 5, 5, 18, 20, 16, 0, 7, 4, 7, 0, 1, 8, 1, 1, 1, 13, 1, 1, 10, 8, 2, 2, 17, 4, 3, 6, 9, 9, 9, 9, 21, 13, 1, 1, 10, 10, 11, 2, 19, 4, 3, 0}
 local function tube_autoroute(pos)
 	local active = {0, 0, 0, 0, 0, 0}
-	local nctr = minetest.get_node(pos)
+	local nctr = core.get_node(pos)
 	if not is_tube(nctr.name) then return end

 	local adjustments = {
@ -57,9 +57,9 @@ local function tube_autoroute(pos)

 	for i, adj in ipairs(adjustments) do
 		local position = vector.add(pos, adj)
-		local node = minetest.get_node(position)
+		local node = core.get_node(position)

-		local idef = minetest.registered_nodes[node.name]
+		local idef = core.registered_nodes[node.name]
 		-- handle the tubes themselves
 		if is_tube(node.name) then
 			active[i] = 1
@ -73,11 +73,11 @@ local function tube_autoroute(pos)
 		end
 	end

-	minetest.get_meta(pos):set_string("adjlist", minetest.serialize(adjlist))
+	core.get_meta(pos):set_string("adjlist", core.serialize(adjlist))

 	-- all sides checked, now figure which tube to use.

-	local nodedef = minetest.registered_nodes[nctr.name]
+	local nodedef = core.registered_nodes[nctr.name]
 	local basename = nodedef.basename
 	if nodedef.style == "old" then
 		local nsurround = ""
@ -95,7 +95,7 @@ local function tube_autoroute(pos)
 		nctr.name = basename.."_"..tube_table[s]
 		nctr.param2 = tube_table_facedirs[s]
 	end
-	minetest.swap_node(pos, nctr)
+	core.swap_node(pos, nctr)
 end

 function pipeworks.scan_for_tube_objects(pos)
@ -123,12 +123,12 @@ end
 -- when they are updated.
 function pipeworks.on_rotate(pos, node, user, mode, new_param2)
 	node.param2 = new_param2
-	minetest.swap_node(pos, node)
+	core.swap_node(pos, node)
 	pipeworks.scan_for_tube_objects(pos)
 	return true
 end

-if minetest.get_modpath("mesecons_mvps") then
+if core.get_modpath("mesecons_mvps") then
 	mesecon.register_on_mvps_move(function(moved_nodes)
 		for _, n in ipairs(moved_nodes) do
 			pipeworks.scan_for_tube_objects(n.pos)
--- a/chests.lua
+++ b/chests.lua
@ -8,7 +8,7 @@ pipeworks.chests = {}
 -- @param override: additional overrides, such as stuff to modify the node formspec
 -- @param connect_sides: which directions the chests shall connect to
 function pipeworks.override_chest(chestname, override, connect_sides)
-	local old_def = minetest.registered_nodes[chestname]
+	local old_def = core.registered_nodes[chestname]

 	local tube_entry = "^pipeworks_tube_connection_wooden.png"
 	override.tiles = override.tiles or old_def.tiles
@ -64,12 +64,12 @@ function pipeworks.override_chest(chestname, override, connect_sides)

 	override.tube = {
 		insert_object = function(pos, node, stack, direction)
-			local meta = minetest.get_meta(pos)
+			local meta = core.get_meta(pos)
 			local inv = meta:get_inventory()
 			return inv:add_item("main", stack)
 		end,
 		can_insert = function(pos, node, stack, direction)
-			local meta = minetest.get_meta(pos)
+			local meta = core.get_meta(pos)
 			local inv = meta:get_inventory()
 			if meta:get_int("splitstacks") == 1 then
 				stack = stack:peek_item(1)
@ -85,6 +85,6 @@ function pipeworks.override_chest(chestname, override, connect_sides)
 	override.groups.tubedevice = 1
 	override.groups.tubedevice_receiver = 1

-	minetest.override_item(chestname, override)
+	core.override_item(chestname, override)
 	pipeworks.chests[chestname] = true
 end
--- a/common.lua
+++ b/common.lua
@ -1,9 +1,9 @@
-local S = minetest.get_translator("pipeworks")
+local S = core.get_translator("pipeworks")

 -- Random variables

 pipeworks.expect_infinite_stacks = true
-if minetest.get_modpath("unified_inventory") or not minetest.settings:get_bool("creative_mode") then
+if core.get_modpath("unified_inventory") or not core.settings:get_bool("creative_mode") then
 	pipeworks.expect_infinite_stacks = false
 end

@ -16,9 +16,9 @@ pipeworks.rules_all = {{x=0, y=0, z=1},{x=0, y=0, z=-1},{x=1, y=0, z=0},{x=-1, y

 pipeworks.mesecons_rules={{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=1,y=0,z=0},{x=-1,y=0,z=0},{x=0,y=1,z=0},{x=0,y=-1,z=0}}

-local digilines_enabled = minetest.get_modpath("digilines") ~= nil
+local digilines_enabled = core.get_modpath("digilines") ~= nil
 if digilines_enabled and pipeworks.enable_vertical_digilines_connectivity then
-	pipeworks.digilines_rules=digiline.rules.default
+	pipeworks.digilines_rules=digilines.rules.default
 else
 	-- These rules break vertical connectivity to deployers, node breakers, dispensers, and digiline filter injectors
 	-- via digiline conducting tubes. Changing them may break some builds on some servers, so the setting was added
@ -27,7 +27,7 @@ else
 	pipeworks.digilines_rules={{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=1,y=0,z=0},{x=-1,y=0,z=0},{x=0,y=1,z=0},{x=0,y=-1,z=0}}
 end

-pipeworks.liquid_texture = minetest.registered_nodes[pipeworks.liquids.water.flowing].tiles[1]
+pipeworks.liquid_texture = core.registered_nodes[pipeworks.liquids.water.flowing].tiles[1]
 if type(pipeworks.liquid_texture) == "table" then pipeworks.liquid_texture = pipeworks.liquid_texture.name end

 pipeworks.button_off   = {text="", texture="pipeworks_button_off.png", addopts="false;false;pipeworks_button_interm.png"}
@ -60,7 +60,7 @@ function pipeworks.make_tube_tile(tile)
 		tile = table.copy(tile)
 		if tile.color then
 			-- Won't work 100% of the time, but good enough.
-			tile.name = tile.name .. "^[multiply:" .. minetest.colorspec_to_colorstring(tile.color)
+			tile.name = tile.name .. "^[multiply:" .. core.colorspec_to_colorstring(tile.color)
 			tile.color = nil
 		end
 		tile.name = overlay_tube_texture(tile.name)
@ -78,13 +78,13 @@ end

 function pipeworks.may_configure(pos, player)
 	local name = player:get_player_name()
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	local owner = meta:get_string("owner")

 	if owner ~= "" and owner == name then -- wielders and filters
 		return true
 	end
-	return not minetest.is_protected(pos, name)
+	return not core.is_protected(pos, name)
 end

 function pipeworks.replace_name(tbl,tr,name)
@ -118,7 +118,7 @@ end
 function pipeworks.facedir_to_right_dir(facedir)
 	return vector.cross(
 		pipeworks.facedir_to_top_dir(facedir),
-		minetest.facedir_to_dir(facedir)
+		core.facedir_to_dir(facedir)
 	)
 end

@ -181,7 +181,7 @@ end
 local fs_helpers = {}
 pipeworks.fs_helpers = fs_helpers
 function fs_helpers.on_receive_fields(pos, fields)
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	for field in pairs(fields) do
 		if field:match("^fs_helpers_cycling:") then
 			local l = field:split(":")
@ -208,12 +208,12 @@ function fs_helpers.cycling_button(meta, base, meta_name, values)
 		text = val
 	end
 	local field = "fs_helpers_cycling:"..new_value..":"..meta_name
-	return base..";"..(texture_name and texture_name..";" or "")..field..";"..minetest.formspec_escape(text)..(addopts and ";"..addopts or "").."]"
+	return base..";"..(texture_name and texture_name..";" or "")..field..";"..core.formspec_escape(text)..(addopts and ";"..addopts or "").."]"
 end

 function fs_helpers.get_inv(y)
 	local fs = {}
-	if minetest.get_modpath("i3") then
+	if core.get_modpath("i3") then
 		local inv_x = i3.settings.legacy_inventory and 0.75 or 0.22
 		local inv_y = (y + 0.4) or 6.9
 		local size, spacing = 1, 0.1
@ -238,7 +238,7 @@ function fs_helpers.get_inv(y)

 		table.insert(fs, "style_type[list;size="..size..";spacing="..spacing.."]")
 		table.insert(fs, "list[current_player;main;"..inv_x..","..(inv_y + 1.15)..";"..hotbar_len..","..(inv_size / hotbar_len)..";"..hotbar_len.."]")
-	elseif minetest.get_modpath("mcl_formspec") then
+	elseif core.get_modpath("mcl_formspec") then
 		local inv_x = 0.22
 		local inv_y = (y + 0.4) or 6.9
 		local size, spacing = 1, 0.1
@ -273,7 +273,7 @@ end
 function fs_helpers.get_prepends(size)
 	local prepend = {}

-	if minetest.get_modpath("i3") then
+	if core.get_modpath("i3") then
 		prepend = {
 			"no_prepend[]",
 			"bgcolor[black;neither]",
@ -293,10 +293,10 @@ end
 function pipeworks.load_position(pos)
 	if pos.x < -30912 or pos.y < -30912 or pos.z < -30912 or
 	   pos.x >  30927 or pos.y >  30927 or pos.z >  30927 then return end
-	if minetest.get_node_or_nil(pos) then
+	if core.get_node_or_nil(pos) then
 		return
 	end
-	local vm = minetest.get_voxel_manip()
+	local vm = core.get_voxel_manip()
 	vm:read_from_map(pos, pos)
 end

--- a/compat-chests.lua
+++ b/compat-chests.lua
@ -8,7 +8,7 @@ local function add_pipeworks_switch(formspec, pos)
 	-- based on the sorting tubes
 	formspec = formspec ..
 			fs_helpers.cycling_button(
-				minetest.get_meta(pos),
+				core.get_meta(pos),
 				pipeworks.button_base,
 				"splitstacks",
 				{
@ -21,20 +21,20 @@ end

 -- helper to add the splitstacks switch to a node-formspec
 local function update_node_formspec(pos)
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	local old_fs = meta:get_string("formspec")
 	local new_fs = add_pipeworks_switch(old_fs, pos)
 	meta:set_string("formspec", new_fs)
 end


-if minetest.get_modpath("default") then
+if core.get_modpath("default") then
 	-- add the pipeworks switch into the default chest formspec
 	local old_get_chest_formspec = default.chest.get_chest_formspec
 	-- luacheck: ignore 122
 	default.chest.get_chest_formspec = function(pos)
 		local old_fs = old_get_chest_formspec(pos)
-		local node = minetest.get_node(pos)
+		local node = core.get_node(pos)
 		-- not all chests using this formspec necessary connect to pipeworks
 		if pipeworks.chests[node.name] then
 			local new_fs = add_pipeworks_switch(old_fs, pos)
@ -45,8 +45,8 @@ if minetest.get_modpath("default") then
 	end

 	-- get the fields from the chest formspec, we can do this bc. newest functions are called first
-	-- https://github.com/minetest/minetest/blob/d4b10db998ebeb689b3d27368e30952a42169d03/doc/lua_api.md?plain=1#L5840
-	minetest.register_on_player_receive_fields(function(player, formname, fields)
+	-- https://github.com/luanti-org/luanti/blob/d4b10db998ebeb689b3d27368e30952a42169d03/doc/lua_api.md?plain=1#L5840
+	core.register_on_player_receive_fields(function(player, formname, fields)
 		if fields.quit or formname ~= "default:chest" then
 			return
 		end
@ -57,11 +57,11 @@ if minetest.get_modpath("default") then
 			return
 		end
 		local pos = chest_open.pos
-		local node = minetest.get_node(pos)
+		local node = core.get_node(pos)
 		if pipeworks.chests[node.name] and pipeworks.may_configure(pos, player) then
 			-- Pipeworks Switch
 			fs_helpers.on_receive_fields(pos, fields)
-			minetest.show_formspec(pn,
+			core.show_formspec(pn,
 				"default:chest",
 				default.chest.get_chest_formspec(pos))
 		end
@ -76,7 +76,7 @@ if minetest.get_modpath("default") then
 	pipeworks.override_chest("default:chest_open", {}, connect_sides_open)
 	pipeworks.override_chest("default:chest_locked", {}, connect_sides)
 	pipeworks.override_chest("default:chest_locked_open", {}, connect_sides_open)
-elseif minetest.get_modpath("hades_chests") then
+elseif core.get_modpath("hades_chests") then
 	local chest_colors = {"", "white", "grey", "dark_grey", "black", "blue", "cyan", "dark_green", "green", "magenta",
 						  "orange", "pink", "red", "violet", "yellow"}
 	for _, color in ipairs(chest_colors) do
@ -84,7 +84,7 @@ elseif minetest.get_modpath("hades_chests") then
 				or "hades_chests:chest_" .. color
 		local chestname_protected = (color == "" and "hades_chests:chest_locked")
 				or "hades_chests:chest_" .. color .. "_locked"
-		local old_def = minetest.registered_nodes[chestname]
+		local old_def = core.registered_nodes[chestname]

 		-- chest formspec-creation functions are local, we need to find other ways
 		-- normal chests use node formspecs, we can hack into these
@ -124,7 +124,7 @@ elseif minetest.get_modpath("hades_chests") then

 		local function has_locked_chest_privilege(meta, player)
 			local name = player:get_player_name()
-			if name ~= meta:get_string("owner") and not minetest.check_player_privs(name, "protection_bypass") then
+			if name ~= meta:get_string("owner") and not core.check_player_privs(name, "protection_bypass") then
 				return false
 			end
 			return true
@ -133,30 +133,30 @@ elseif minetest.get_modpath("hades_chests") then
 		-- store, which chest a formspec submission belongs to
 		-- {player1 = pos1, player2 = pos2, ...}
 		local open_chests = {}
-		minetest.register_on_leaveplayer(function(player)
+		core.register_on_leaveplayer(function(player)
 			open_chests[player:get_player_name()] = nil
 		end)

 		local override_protected = {
 			on_rightclick = function(pos, node, clicker)
-				local meta = minetest.get_meta(pos)
+				local meta = core.get_meta(pos)
 				if has_locked_chest_privilege(meta, clicker) then
-					minetest.show_formspec(
+					core.show_formspec(
 							clicker:get_player_name(),
 							"hades_chests:chest_locked",
 							get_locked_chest_formspec(pos)
 					)
 					open_chests[clicker:get_player_name()] = pos
 				else
-					minetest.sound_play({ name = "hades_chests_locked", gain = 0.3 }, { max_hear_distance = 10 }, true)
+					core.sound_play({ name = "hades_chests_locked", gain = 0.3 }, { max_hear_distance = 10 }, true)
 				end
 			end,
 			on_rotate = screwdriver.rotate_simple
 		}

 		-- get the fields from the chest formspec, we can do this bc. newest functions are called first
-		-- https://github.com/minetest/minetest/blob/d4b10db998ebeb689b3d27368e30952a42169d03/doc/lua_api.md?plain=1#L5840
-		minetest.register_on_player_receive_fields(function(player, formname, fields)
+		-- https://github.com/luanti-org/luanti/blob/d4b10db998ebeb689b3d27368e30952a42169d03/doc/lua_api.md?plain=1#L5840
+		core.register_on_player_receive_fields(function(player, formname, fields)
 			if fields.quit or formname ~= "hades_chests:chest_locked" then
 				return
 			end
@ -165,7 +165,7 @@ elseif minetest.get_modpath("hades_chests") then
 			if pos and pipeworks.may_configure(pos, player) then
 				-- Pipeworks Switch
 				fs_helpers.on_receive_fields(pos, fields)
-				minetest.show_formspec(pn, "hades_chests:chest_locked", get_locked_chest_formspec(pos))
+				core.show_formspec(pn, "hades_chests:chest_locked", get_locked_chest_formspec(pos))
 			end
 			-- Do NOT return true here, the callback from hades still needs to run (if they add one)
 			return false
@ -175,7 +175,7 @@ elseif minetest.get_modpath("hades_chests") then
 		pipeworks.override_chest(chestname, override, connect_sides)
 		pipeworks.override_chest(chestname_protected, override_protected, connect_sides)
 	end
-elseif minetest.get_modpath("mcl_barrels") then
+elseif core.get_modpath("mcl_barrels") then
 	-- TODO: bring splitstacks switch in the formspec
 	-- with the current implementation of mcl_barrels this would mean to duplicate a lot of code from there...
 	local connect_sides = {left = 1, right = 1, back = 1, front = 1, bottom = 1}
--- a/compat-furnaces.lua
+++ b/compat-furnaces.lua
@ -2,12 +2,12 @@
 -- minetest_game/mods/default/furnaces.lua

 local def--, def_active
-if minetest.get_modpath("default") then
-	def = table.copy(minetest.registered_nodes["default:furnace"])
-	--def_active = table.copy(minetest.registered_nodes["default:furnace_active"])
-elseif minetest.get_modpath("hades_furnaces") then
-	def = table.copy(minetest.registered_nodes["hades_furnaces:furnace"])
-	--def_active = table.copy(minetest.registered_nodes["hades_furnaces:furnace_active"])
+if core.get_modpath("default") then
+	def = table.copy(core.registered_nodes["default:furnace"])
+	--def_active = table.copy(core.registered_nodes["default:furnace_active"])
+elseif core.get_modpath("hades_furnaces") then
+	def = table.copy(core.registered_nodes["hades_furnaces:furnace"])
+	--def_active = table.copy(core.registered_nodes["hades_furnaces:furnace_active"])
 end

 local tube_entry = "^pipeworks_tube_connection_stony.png"
@ -34,9 +34,9 @@ local override = {
 	groups = groups,
 	tube = {
 		insert_object = function(pos, node, stack, direction)
-			local meta = minetest.get_meta(pos)
+			local meta = core.get_meta(pos)
 			local inv = meta:get_inventory()
-			local timer = minetest.get_node_timer(pos)
+			local timer = core.get_node_timer(pos)
 			if not timer:is_started() then
 				timer:start(1.0)
 			end
@ -47,7 +47,7 @@ local override = {
 			end
 		end,
 		can_insert = function(pos,node,stack,direction)
-			local meta = minetest.get_meta(pos)
+			local meta = core.get_meta(pos)
 			local inv = meta:get_inventory()
 			if direction.y == 1 then
 				return inv:room_for_item("fuel", stack)
@ -88,9 +88,9 @@ local override_active = {
 	groups = groups_active,
 	tube = {
 		insert_object = function(pos,node,stack,direction)
-			local meta = minetest.get_meta(pos)
+			local meta = core.get_meta(pos)
 			local inv = meta:get_inventory()
-			local timer = minetest.get_node_timer(pos)
+			local timer = core.get_node_timer(pos)
 			if not timer:is_started() then
 				timer:start(1.0)
 			end
@ -101,7 +101,7 @@ local override_active = {
 			end
 		end,
 		can_insert = function(pos, node, stack, direction)
-			local meta = minetest.get_meta(pos)
+			local meta = core.get_meta(pos)
 			local inv = meta:get_inventory()
 			if direction.y == 1 then
 				return inv:room_for_item("fuel", stack)
@ -118,11 +118,11 @@ local override_active = {
 	on_rotate = pipeworks.on_rotate
 }

-if minetest.get_modpath("default") then
-	minetest.override_item("default:furnace", override)
-	minetest.override_item("default:furnace_active", override_active)
-elseif minetest.get_modpath("hades_furnaces") then
-	minetest.override_item("hades_furnaces:furnace", override)
-	minetest.override_item("hades_furnaces:furnace_active", override_active)
+if core.get_modpath("default") then
+	core.override_item("default:furnace", override)
+	core.override_item("default:furnace_active", override_active)
+elseif core.get_modpath("hades_furnaces") then
+	core.override_item("hades_furnaces:furnace", override)
+	core.override_item("hades_furnaces:furnace_active", override_active)
 end

--- a/crafts.lua
+++ b/crafts.lua
@ -1,7 +1,7 @@
 -- Crafting recipes for pipes
 local materials = xcompat.materials

-minetest.register_craft( {
+core.register_craft( {
 	output = "pipeworks:pipe_1_empty 12",
 	recipe = {
 			{ materials.steel_ingot, materials.steel_ingot, materials.steel_ingot },
@ -10,14 +10,14 @@ minetest.register_craft( {
 	},
 })

-minetest.register_craft( {
+core.register_craft( {
 	output = "pipeworks:straight_pipe_empty 3",
 	recipe = {
 			{ "pipeworks:pipe_1_empty", "pipeworks:pipe_1_empty", "pipeworks:pipe_1_empty" },
 	},
 })

-minetest.register_craft( {
+core.register_craft( {
 	output = "pipeworks:spigot 3",
 	recipe = {
 			{ "pipeworks:pipe_1_empty", "" },
@ -25,7 +25,7 @@ minetest.register_craft( {
 	},
 })

-minetest.register_craft( {
+core.register_craft( {
 output = "pipeworks:entry_panel_empty 2",
 recipe = {
 	{ "", materials.steel_ingot, "" },
@ -36,7 +36,7 @@ recipe = {

 -- Various ancillary pipe devices

-minetest.register_craft( {
+core.register_craft( {
 	output = "pipeworks:pump_off 2",
 	recipe = {
 			{ materials.stone, materials.steel_ingot, materials.stone },
@ -45,7 +45,7 @@ minetest.register_craft( {
 	},
 })

-minetest.register_craft( {
+core.register_craft( {
 	output = "pipeworks:valve_off_empty 2",
 	recipe = {
 			{ "", "group:stick", "" },
@ -54,7 +54,7 @@ minetest.register_craft( {
 	},
 })

-minetest.register_craft( {
+core.register_craft( {
 	output = "pipeworks:storage_tank_0 2",
 	recipe = {
 			{ "", materials.steel_ingot, materials.steel_ingot },
@ -63,7 +63,7 @@ minetest.register_craft( {
 	},
 })

-minetest.register_craft( {
+core.register_craft( {
 	output = "pipeworks:grating 2",
 	recipe = {
 			{ materials.steel_ingot, "", materials.steel_ingot },
@ -72,14 +72,14 @@ minetest.register_craft( {
 	},
 })

-minetest.register_craft( {
+core.register_craft( {
 	output = "pipeworks:flow_sensor_empty 2",
 	recipe = {
 			{ "pipeworks:pipe_1_empty", "mesecons:mesecon", "pipeworks:pipe_1_empty" },
 	},
 })

-minetest.register_craft( {
+core.register_craft( {
 	output = "pipeworks:fountainhead 2",
 	recipe = {
 			{ "pipeworks:pipe_1_empty" },
@ -89,7 +89,7 @@ minetest.register_craft( {

 -- injectors

-minetest.register_craft( {
+core.register_craft( {
 	output = "pipeworks:filter 2",
 	recipe = {
 			{ materials.steel_ingot, materials.steel_ingot, "basic_materials:plastic_sheet" },
@ -98,7 +98,7 @@ minetest.register_craft( {
 	},
 })

-minetest.register_craft( {
+core.register_craft( {
 	output = "pipeworks:mese_filter 2",
 	recipe = {
 			{ materials.steel_ingot, materials.steel_ingot, "basic_materials:plastic_sheet" },
@ -107,8 +107,8 @@ minetest.register_craft( {
 	},
 })

-if minetest.get_modpath("digilines") then
-	minetest.register_craft( {
+if core.get_modpath("digilines") then
+	core.register_craft( {
 		output = "pipeworks:digiline_filter 2",
 		recipe = {
 			{ materials.steel_ingot, materials.steel_ingot, "basic_materials:plastic_sheet" },
@ -120,7 +120,7 @@ end

 -- other

-minetest.register_craft( {
+core.register_craft( {
 	output = "pipeworks:autocrafter 2",
 	recipe = {
 			{ materials.steel_ingot, materials.mese_crystal, materials.steel_ingot },
@ -129,7 +129,7 @@ minetest.register_craft( {
 	},
 })

-minetest.register_craft( {
+core.register_craft( {
 	output = "pipeworks:steel_pane_embedded_tube 1",
 	recipe = {
 		{ "", materials.steel_ingot, "" },
@ -138,7 +138,7 @@ minetest.register_craft( {
 	},
 })

-minetest.register_craft({
+core.register_craft({
 	output = "pipeworks:trashcan",
 	recipe = {
 		{ "basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet" },
@ -147,7 +147,7 @@ minetest.register_craft({
 	},
 })

-minetest.register_craft( {
+core.register_craft( {
 	output = "pipeworks:teleport_tube_1 2",
 	recipe = {
 			{ "basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet" },
@ -157,7 +157,7 @@ minetest.register_craft( {
 })

 if pipeworks.enable_priority_tube then
-	minetest.register_craft( {
+	core.register_craft( {
 		output = "pipeworks:priority_tube_1 6",
 		recipe = {
 			{ "basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet" },
@ -168,7 +168,7 @@ if pipeworks.enable_priority_tube then
 end

 if pipeworks.enable_accelerator_tube then
-	minetest.register_craft( {
+	core.register_craft( {
 		output = "pipeworks:accelerator_tube_1 2",
 		recipe = {
 			{ "basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet" },
@ -179,7 +179,7 @@ if pipeworks.enable_accelerator_tube then
 end

 if pipeworks.enable_crossing_tube then
-	minetest.register_craft( {
+	core.register_craft( {
 		output = "pipeworks:crossing_tube_1 5",
 		recipe = {
 			{ "", "pipeworks:tube_1", "" },
@ -190,7 +190,7 @@ if pipeworks.enable_crossing_tube then
 end

 if pipeworks.enable_one_way_tube then
-	minetest.register_craft({
+	core.register_craft({
 		output = "pipeworks:one_way_tube 2",
 		recipe = {
 			{ "basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet" },
@ -201,7 +201,7 @@ if pipeworks.enable_one_way_tube then
 end

 if pipeworks.enable_mese_tube then
-	minetest.register_craft( {
+	core.register_craft( {
 		output = "pipeworks:mese_tube_000000 2",
 		recipe = {
 			{ "basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet" },
@ -210,7 +210,7 @@ if pipeworks.enable_mese_tube then
 		},
 	})

-	minetest.register_craft( {
+	core.register_craft( {
 		type = "shapeless",
 		output = "pipeworks:mese_tube_000000",
 		recipe = {
@ -224,7 +224,7 @@ if pipeworks.enable_mese_tube then
 end

 if pipeworks.enable_item_tags and pipeworks.enable_tag_tube then
-	minetest.register_craft( {
+	core.register_craft( {
 		output = "pipeworks:tag_tube_000000 2",
 		recipe = {
 			{ "basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet" },
@ -233,7 +233,7 @@ if pipeworks.enable_item_tags and pipeworks.enable_tag_tube then
 		},
 	})

-	minetest.register_craft( {
+	core.register_craft( {
 		type = "shapeless",
 		output = "pipeworks:tag_tube_000000",
 		recipe = {
@ -244,7 +244,7 @@ if pipeworks.enable_item_tags and pipeworks.enable_tag_tube then
 end

 if pipeworks.enable_sand_tube then
-	minetest.register_craft( {
+	core.register_craft( {
 		output = "pipeworks:sand_tube_1 2",
 		recipe = {
 			{"basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet"},
@ -253,7 +253,7 @@ if pipeworks.enable_sand_tube then
 		},
 	})

-	minetest.register_craft( {
+	core.register_craft( {
 		output = "pipeworks:sand_tube_1",
 		recipe = {
 			{"group:sand", "pipeworks:tube_1", "group:sand"},
@ -262,7 +262,7 @@ if pipeworks.enable_sand_tube then
 end

 if pipeworks.enable_mese_sand_tube then
-	minetest.register_craft( {
+	core.register_craft( {
 		output = "pipeworks:mese_sand_tube_1 2",
 		recipe = {
 			{"basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet" },
@ -271,7 +271,7 @@ if pipeworks.enable_mese_sand_tube then
 		},
 	})

-	minetest.register_craft( {
+	core.register_craft( {
 		type = "shapeless",
 		output = "pipeworks:mese_sand_tube_1",
 		recipe = {
@ -285,7 +285,7 @@ if pipeworks.enable_mese_sand_tube then
 end

 if pipeworks.enable_deployer then
-	minetest.register_craft({
+	core.register_craft({
 		output = "pipeworks:deployer_off",
 		recipe = {
 			{ "group:wood",	materials.chest,	"group:wood"	},
@ -296,7 +296,7 @@ if pipeworks.enable_deployer then
 end

 if pipeworks.enable_dispenser then
-	minetest.register_craft({
+	core.register_craft({
 		output = "pipeworks:dispenser_off",
 		recipe = {
 			{ materials.desert_sand, materials.chest,	materials.desert_sand },
@ -307,7 +307,7 @@ if pipeworks.enable_dispenser then
 end

 if pipeworks.enable_node_breaker then
-	minetest.register_craft({
+	core.register_craft({
 		output = "pipeworks:nodebreaker_off",
 		recipe = {
 			{ "basic_materials:gear_steel", "basic_materials:gear_steel",   "basic_materials:gear_steel"	},
--- a/default_settings.lua
+++ b/default_settings.lua
@ -67,9 +67,9 @@ pipeworks.toggles.finite_water = nil
 for name, value in pairs(settings) do
 	local setting_type = type(value)
 	if setting_type == "boolean" then
-		pipeworks[name] = minetest.settings:get_bool(prefix..name, value)
+		pipeworks[name] = core.settings:get_bool(prefix..name, value)
 	elseif setting_type == "number" then
-		pipeworks[name] = tonumber(minetest.settings:get(prefix..name) or value)
+		pipeworks[name] = tonumber(core.settings:get(prefix..name) or value)
 	else
 		pipeworks[name] = value
 	end
--- a/devices.lua
+++ b/devices.lua
@ -1,7 +1,7 @@
-local S = minetest.get_translator("pipeworks")
+local S = core.get_translator("pipeworks")
 local new_flow_logic_register = pipeworks.flowables.register

-local texture_alpha_mode = minetest.features.use_texture_alpha_string_modes
+local texture_alpha_mode = core.features.use_texture_alpha_string_modes

 local polys = ""
 if pipeworks.enable_lowpoly then polys = "_lowpoly" end
@ -13,7 +13,7 @@ function pipeworks.fix_after_rotation(pos, node, user, mode, new_param2)
 	if string.find(node.name, "spigot") then new_param2 = new_param2 % 4 end

 	local newnode = string.gsub(node.name, "_on", "_off")
-	minetest.swap_node(pos, { name = newnode, param2 = new_param2 })
+	core.swap_node(pos, { name = newnode, param2 = new_param2 })
 	pipeworks.scan_for_pipe_objects(pos)

 	return true
@ -22,15 +22,15 @@ end
 function pipeworks.rotate_on_place(itemstack, placer, pointed_thing)

 	local playername = placer:get_player_name()
-	if not minetest.is_protected(pointed_thing.under, playername)
-	   and not minetest.is_protected(pointed_thing.above, playername) then
+	if not core.is_protected(pointed_thing.under, playername)
+	   and not core.is_protected(pointed_thing.above, playername) then

-		local node = minetest.get_node(pointed_thing.under)
+		local node = core.get_node(pointed_thing.under)

 		if (not placer:get_player_control().sneak)
-		  and minetest.registered_nodes[node.name]
-		  and minetest.registered_nodes[node.name].on_rightclick then
-			minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under,
+		  and core.registered_nodes[node.name]
+		  and core.registered_nodes[node.name].on_rightclick then
+			core.registered_nodes[node.name].on_rightclick(pointed_thing.under,
 				node, placer, itemstack, pointed_thing)

 		else
@ -38,8 +38,8 @@ function pipeworks.rotate_on_place(itemstack, placer, pointed_thing)
 			local pitch = -placer:get_look_vertical()
 			local above = pointed_thing.above
 			local under = pointed_thing.under
-			local fdir = minetest.dir_to_facedir(placer:get_look_dir())
-			local undernode = minetest.get_node(under)
+			local fdir = core.dir_to_facedir(placer:get_look_dir())
+			local undernode = core.get_node(under)
 			local uname = undernode.name
 			local isabove = (above.x == under.x) and (above.z == under.z) and (pitch > 0)
 			local pos1 = above
@ -58,24 +58,24 @@ function pipeworks.rotate_on_place(itemstack, placer, pointed_thing)
 						( string.find(uname, "pipeworks:valve")
 						  or string.find(uname, "pipeworks:entry_panel")
 						  or string.find(uname, "pipeworks:flow_sensor") )
-						and minetest.facedir_to_dir(undernode.param2).y ~= 0 )
+						and core.facedir_to_dir(undernode.param2).y ~= 0 )
 					)
 			then
 				fdir = 17
 			end

-			if minetest.registered_nodes[uname]
-			  and minetest.registered_nodes[uname]["buildable_to"] then
+			if core.registered_nodes[uname]
+			  and core.registered_nodes[uname]["buildable_to"] then
 				pos1 = under
 			end

-			if minetest.registered_nodes[minetest.get_node(pos1).name]
-			  and not minetest.registered_nodes[minetest.get_node(pos1).name]["buildable_to"] then return end
+			if core.registered_nodes[core.get_node(pos1).name]
+			  and not core.registered_nodes[core.get_node(pos1).name]["buildable_to"] then return end

 			local placednode = string.gsub(itemstack:get_name(), "_loaded", "_empty")
 			placednode = string.gsub(placednode, "_on", "_off")

-			minetest.swap_node(pos1, {name = placednode, param2 = fdir })
+			core.swap_node(pos1, {name = placednode, param2 = fdir })
 			pipeworks.scan_for_pipe_objects(pos1)

 			if not pipeworks.expect_infinite_stacks then
@ -91,7 +91,7 @@ end
 local pipereceptor_on = nil
 local pipereceptor_off = nil

-if minetest.get_modpath("mesecons") then
+if core.get_modpath("mesecons") then
 	pipereceptor_on = {
 		receptor = {
 			state = mesecon.state.on,
@ -139,7 +139,7 @@ for s in ipairs(states) do
 	end

 	local pumpname = "pipeworks:pump_"..states[s]
-	minetest.register_node(pumpname, {
+	core.register_node(pumpname, {
 		description = S("Pump/Intake Module"),
 		drawtype = "mesh",
 		mesh = "pipeworks_pump"..polys..".obj",
@ -164,15 +164,15 @@ for s in ipairs(states) do
 		drop = "pipeworks:pump_off",
 		mesecons = {effector = {
 			action_on = function (pos, node)
-				minetest.swap_node(pos,{name="pipeworks:pump_on", param2 = node.param2})
+				core.swap_node(pos,{name="pipeworks:pump_on", param2 = node.param2})
 			end,
 			action_off = function (pos, node)
-				minetest.swap_node(pos,{name="pipeworks:pump_off", param2 = node.param2})
+				core.swap_node(pos,{name="pipeworks:pump_off", param2 = node.param2})
 			end
 		}},
 		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 			local fdir = node.param2
-			minetest.swap_node(pos, { name = "pipeworks:pump_"..states[3-s], param2 = fdir })
+			core.swap_node(pos, { name = "pipeworks:pump_"..states[3-s], param2 = fdir })
 		end,
 		on_rotate = screwdriver and screwdriver.rotate_simple or nil
 	})
@ -187,7 +187,7 @@ for s in ipairs(states) do


 	local nodename_valve_empty = "pipeworks:valve_"..states[s].."_empty"
-	minetest.register_node(nodename_valve_empty, {
+	core.register_node(nodename_valve_empty, {
 		description = S("Valve"),
 		drawtype = "mesh",
 		mesh = "pipeworks_valve_"..states[s]..polys..".obj",
@ -217,15 +217,15 @@ for s in ipairs(states) do
 		drop = "pipeworks:valve_off_empty",
 		mesecons = {effector = {
 			action_on = function (pos, node)
-				minetest.swap_node(pos,{name="pipeworks:valve_on_empty", param2 = node.param2})
+				core.swap_node(pos,{name="pipeworks:valve_on_empty", param2 = node.param2})
 			end,
 			action_off = function (pos, node)
-				minetest.swap_node(pos,{name="pipeworks:valve_off_empty", param2 = node.param2})
+				core.swap_node(pos,{name="pipeworks:valve_off_empty", param2 = node.param2})
 			end
 		}},
 		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 			local fdir = node.param2
-			minetest.swap_node(pos, { name = "pipeworks:valve_"..states[3-s].."_empty", param2 = fdir })
+			core.swap_node(pos, { name = "pipeworks:valve_"..states[3-s].."_empty", param2 = fdir })
 		end,
 		on_rotate = pipeworks.fix_after_rotation
 	})
@ -239,7 +239,7 @@ pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:pump_off"
 pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:valve_off_empty"

 local nodename_valve_loaded = "pipeworks:valve_on_loaded"
-minetest.register_node(nodename_valve_loaded, {
+core.register_node(nodename_valve_loaded, {
 	description = S("Valve"),
 	drawtype = "mesh",
 	mesh = "pipeworks_valve_on"..polys..".obj",
@ -269,15 +269,15 @@ minetest.register_node(nodename_valve_loaded, {
 	drop = "pipeworks:valve_off_empty",
 	mesecons = {effector = {
 		action_on = function (pos, node)
-			minetest.swap_node(pos,{name="pipeworks:valve_on_empty", param2 = node.param2})
+			core.swap_node(pos,{name="pipeworks:valve_on_empty", param2 = node.param2})
 		end,
 		action_off = function (pos, node)
-			minetest.swap_node(pos,{name="pipeworks:valve_off_empty", param2 = node.param2})
+			core.swap_node(pos,{name="pipeworks:valve_off_empty", param2 = node.param2})
 		end
 	}},
 	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		local fdir = node.param2
-		minetest.swap_node(pos, { name = "pipeworks:valve_off_empty", param2 = fdir })
+		core.swap_node(pos, { name = "pipeworks:valve_off_empty", param2 = fdir })
 	end,
 	on_rotate = pipeworks.fix_after_rotation
 })
@ -291,7 +291,7 @@ new_flow_logic_register.directional_horizonal_rotate(nodename_valve_loaded, true
 -- grating

 -- FIXME: should this do anything useful in the new flow logic?
-minetest.register_node("pipeworks:grating", {
+core.register_node("pipeworks:grating", {
 	description = S("Decorative grating"),
 	tiles = {
 		"pipeworks_grating_top.png",
@ -330,7 +330,7 @@ pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:grating"
 -- outlet spigot

 local nodename_spigot_empty = "pipeworks:spigot"
-minetest.register_node(nodename_spigot_empty, {
+core.register_node(nodename_spigot_empty, {
 	description = S("Spigot outlet"),
 	drawtype = "mesh",
 	mesh = "pipeworks_spigot"..polys..".obj",
@ -365,12 +365,12 @@ minetest.register_node(nodename_spigot_empty, {
 })

 local nodename_spigot_loaded = "pipeworks:spigot_pouring"
-minetest.register_node(nodename_spigot_loaded, {
+core.register_node(nodename_spigot_loaded, {
 	description = S("Spigot outlet"),
 	drawtype = "mesh",
 	mesh = "pipeworks_spigot_pouring"..polys..".obj",
 	tiles = {
-		minetest.registered_nodes[pipeworks.liquids.water.source].tiles[1],
+		core.registered_nodes[pipeworks.liquids.water.source].tiles[1],
 		{ name = "pipeworks_spigot.png" }
 	},
 	use_texture_alpha = texture_alpha_mode and "blend" or true,
@ -387,7 +387,7 @@ minetest.register_node(nodename_spigot_loaded, {
 	pipe_connections = { left=1, right=1, front=1, back=1,
 						 left_param2 = 3, right_param2 = 1, front_param2 = 2, back_param2 = 0 },
 	after_place_node = function(pos)
-		minetest.set_node(pos, { name = "pipeworks:spigot", param2 = minetest.get_node(pos).param2 })
+		core.set_node(pos, { name = "pipeworks:spigot", param2 = core.get_node(pos).param2 })
 		pipeworks.scan_for_pipe_objects(pos)
 	end,
 	after_dig_node = function(pos)
@ -430,7 +430,7 @@ local panel_cbox = {
 }

 local nodename_panel_empty = "pipeworks:entry_panel_empty"
-minetest.register_node(nodename_panel_empty, {
+core.register_node(nodename_panel_empty, {
 	description = S("Airtight Pipe entry/exit"),
 	drawtype = "mesh",
 	mesh = "pipeworks_entry_panel"..polys..".obj",
@ -454,7 +454,7 @@ minetest.register_node(nodename_panel_empty, {
 })

 local nodename_panel_loaded = "pipeworks:entry_panel_loaded"
-minetest.register_node(nodename_panel_loaded, {
+core.register_node(nodename_panel_loaded, {
 	description = S("Airtight Pipe entry/exit"),
 	drawtype = "mesh",
 	mesh = "pipeworks_entry_panel"..polys..".obj",
@ -487,7 +487,7 @@ new_flow_logic_register.directional_horizonal_rotate(nodename_panel_loaded, true


 local nodename_sensor_empty = "pipeworks:flow_sensor_empty"
-minetest.register_node(nodename_sensor_empty, {
+core.register_node(nodename_sensor_empty, {
 	description = S("Flow Sensor"),
 	drawtype = "mesh",
 	mesh = "pipeworks_flow_sensor"..polys..".obj",
@ -530,7 +530,7 @@ minetest.register_node(nodename_sensor_empty, {
 })

 local nodename_sensor_loaded = "pipeworks:flow_sensor_loaded"
-minetest.register_node(nodename_sensor_loaded, {
+core.register_node(nodename_sensor_loaded, {
 	description = S("Flow sensor (on)"),
 	drawtype = "mesh",
 	mesh = "pipeworks_flow_sensor"..polys..".obj",
@ -596,7 +596,7 @@ for fill = 0, 10 do
 		image = "pipeworks_storage_tank_fittings.png"
 	end

-	minetest.register_node("pipeworks:expansion_tank_"..fill, {
+	core.register_node("pipeworks:expansion_tank_"..fill, {
 		description = S("Expansion Tank (@1)", filldesc),
 		tiles = {
 			"pipeworks_storage_tank_fittings.png",
@ -628,7 +628,7 @@ for fill = 0, 10 do
 		on_rotate = false
 	})

-	minetest.register_node("pipeworks:storage_tank_"..fill, {
+	core.register_node("pipeworks:storage_tank_"..fill, {
 		description = S("Fluid Storage Tank (@1)", filldesc),
 		tiles = {
 			"pipeworks_storage_tank_fittings.png",
@ -665,7 +665,7 @@ pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:storage_t
 -- fountainhead

 local nodename_fountain_empty = "pipeworks:fountainhead"
-minetest.register_node(nodename_fountain_empty, {
+core.register_node(nodename_fountain_empty, {
 	description = S("Fountainhead"),
 	drawtype = "mesh",
 	mesh = "pipeworks_fountainhead"..polys..".obj",
@ -704,7 +704,7 @@ minetest.register_node(nodename_fountain_empty, {
 pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:fountainhead"

 local nodename_fountain_loaded = "pipeworks:fountainhead_pouring"
-minetest.register_node(nodename_fountain_loaded, {
+core.register_node(nodename_fountain_loaded, {
 	description = S("Fountainhead"),
 	drawtype = "mesh",
 	mesh = "pipeworks_fountainhead"..polys..".obj",
@ -720,7 +720,7 @@ minetest.register_node(nodename_fountain_loaded, {
 	walkable = true,
 	pipe_connections = { bottom = 1 },
 	after_place_node = function(pos)
-		minetest.set_node(pos, { name = "pipeworks:fountainhead", param2 = minetest.get_node(pos).param2 })
+		core.set_node(pos, { name = "pipeworks:fountainhead", param2 = core.get_node(pos).param2 })
 		pipeworks.scan_for_pipe_objects(pos)
 	end,
 	after_dig_node = function(pos)
@ -758,7 +758,7 @@ local sp_cbox = {
 }

 local nodename_sp_empty = "pipeworks:straight_pipe_empty"
-minetest.register_node(nodename_sp_empty, {
+core.register_node(nodename_sp_empty, {
 	description = S("Straight-only Pipe"),
 	drawtype = "mesh",
 	mesh = "pipeworks_straight_pipe"..polys..".obj",
@ -784,7 +784,7 @@ minetest.register_node(nodename_sp_empty, {
 })

 local nodename_sp_loaded = "pipeworks:straight_pipe_loaded"
-minetest.register_node(nodename_sp_loaded, {
+core.register_node(nodename_sp_loaded, {
 	description = S("Straight-only Pipe"),
 	drawtype = "mesh",
 	mesh = "pipeworks_straight_pipe"..polys..".obj",
@ -816,6 +816,6 @@ new_flow_logic_register.directional_horizonal_rotate(nodename_sp_loaded, true)

 -- Other misc stuff

-minetest.register_alias("pipeworks:valve_off_loaded", "pipeworks:valve_off_empty")
-minetest.register_alias("pipeworks:entry_panel", "pipeworks:entry_panel_empty")
+core.register_alias("pipeworks:valve_off_loaded", "pipeworks:valve_off_empty")
+core.register_alias("pipeworks:entry_panel", "pipeworks:entry_panel_empty")

--- a/filter-injector.lua
+++ b/filter-injector.lua
@ -1,4 +1,4 @@
-local S = minetest.get_translator("pipeworks")
+local S = core.get_translator("pipeworks")
 local fs_helpers = pipeworks.fs_helpers

 local function set_filter_infotext(data, meta)
@ -21,7 +21,7 @@ local function set_filter_formspec(data, meta)
 		formspec =
 			("size[8.5,%f]"):format(form_height) ..
 			"item_image[0.2,0;1,1;pipeworks:"..data.name.."]"..
-			"label[1.2,0.2;"..minetest.formspec_escape(itemname).."]"..
+			"label[1.2,0.2;"..core.formspec_escape(itemname).."]"..
 			"field[0.5,1.6;4.6,1;channel;"..S("Channel")..";${channel}]"..
 			"button[4.8,1.3;1.5,1;set_channel;"..S("Set").."]"..
 			fs_helpers.cycling_button(meta, ("button[0.2,%f;4.05,1"):format(form_height - 0.7), "slotseq_mode",
@ -47,7 +47,7 @@ local function set_filter_formspec(data, meta)
 		end
 		local size = "10.2,11"
 		local list_backgrounds = ""
-		if minetest.get_modpath("i3") or minetest.get_modpath("mcl_formspec") then
+		if core.get_modpath("i3") or core.get_modpath("mcl_formspec") then
 			list_backgrounds = "style_type[box;colors=#666]"
 			for i=0, 7 do
 				for j=0, 1 do
@ -60,7 +60,7 @@ local function set_filter_formspec(data, meta)
 			"size["..size.."]"..
 			pipeworks.fs_helpers.get_prepends(size)..
 			"item_image[0.22,0.22;1,1;pipeworks:"..data.name.."]"..
-			"label[1.22,0.72;"..minetest.formspec_escape(itemname).."]"..
+			"label[1.22,0.72;"..core.formspec_escape(itemname).."]"..
 			"label[0.22,1.5;"..S("Prefer item types:").."]"..
 			list_backgrounds..
 			"list[context;main;0.22,1.75;8,2;]"..
@ -81,15 +81,15 @@ local function set_filter_formspec(data, meta)
 end

 local function punch_filter(data, filtpos, filtnode, msg)
-	local filtmeta = minetest.get_meta(filtpos)
+	local filtmeta = core.get_meta(filtpos)
 	local filtinv = filtmeta:get_inventory()
 	local owner = filtmeta:get_string("owner")
 	local fakeplayer = fakelib.create_player(owner)
 	local dir = pipeworks.facedir_to_right_dir(filtnode.param2)
 	local frompos = vector.subtract(filtpos, dir)
-	local fromnode = minetest.get_node(frompos)
+	local fromnode = core.get_node(frompos)
 	if not fromnode then return end
-	local fromdef = minetest.registered_nodes[fromnode.name]
+	local fromdef = core.registered_nodes[fromnode.name]
 	if not fromdef or not fromdef.tube then return end
 	local fromtube = table.copy(fromdef.tube)
 	local input_special_cases = {
@ -117,15 +117,14 @@ local function punch_filter(data, filtpos, filtnode, msg)
 	}

 	-- make sure there's something appropriate to inject the item into
-	local todir = pipeworks.facedir_to_right_dir(filtnode.param2)
-	local topos = vector.add(filtpos, todir)
-	local tonode = minetest.get_node(topos)
-	local todef = minetest.registered_nodes[tonode.name]
+	local topos = vector.add(filtpos, dir)
+	local tonode = core.get_node(topos)
+	local todef = core.registered_nodes[tonode.name]

 	if not todef
-	  or not (minetest.get_item_group(tonode.name, "tube") == 1
-			  or minetest.get_item_group(tonode.name, "tubedevice") == 1
-			  or minetest.get_item_group(tonode.name, "tubedevice_receiver") == 1) then
+	  or not (core.get_item_group(tonode.name, "tube") == 1
+			  or core.get_item_group(tonode.name, "tubedevice") == 1
+			  or core.get_item_group(tonode.name, "tubedevice_receiver") == 1) then
 		return
 	end

@ -252,7 +251,7 @@ local function punch_filter(data, filtpos, filtnode, msg)
 			return
 		end
 	else
-		local frommeta = minetest.get_meta(frompos)
+		local frommeta = core.get_meta(frompos)
 		frominv = frommeta:get_inventory()
 	end
 	if fromtube.before_filter then fromtube.before_filter(frompos) end
@ -274,7 +273,7 @@ local function punch_filter(data, filtpos, filtnode, msg)

 				          and (not fgroup                                        -- If there's a group filter,
 				               or (type(fgroup) == "string"                      --  it must be a string
-				                   and minetest.get_item_group(                  --  and it must match.
+				                   and core.get_item_group(                  --  and it must match.
 				                                stack:get_name(), fgroup) ~= 0))

 				          and (not fwear                                         -- If there's a wear filter:
@ -314,6 +313,8 @@ local function punch_filter(data, filtpos, filtnode, msg)
 				return a < b
 			end)
 		end
+		local available_items = {}
+		local available_count = 0
 		for _, spos in ipairs(sposes) do
 			local stack = frominv:get_stack(frominvname, spos)
 			local doRemove = stack:get_count()
@ -332,39 +333,63 @@ local function punch_filter(data, filtpos, filtnode, msg)
 					filtmeta:set_int("slotseq_index", nextpos)
 					set_filter_infotext(data, filtmeta)
 				end
-				local item
 				local count
 				if data.stackwise then
 					count = math.min(stack:get_count(), doRemove)
 					if filterfor.count and (filterfor.count > 1 or data.digiline) then
-						if exmatch_mode ~= 0 and filterfor.count > count then
+						count = math.min(filterfor.count - available_count, count)
+					end
+					table.insert(available_items, {spos = spos, count = count})
+					available_count = available_count + count
+					if not filterfor.count or available_count >= filterfor.count then
+						break
+					end
+				else
+					table.insert(available_items, {spos = spos, count = 1})
+					available_count = 1
+					break  -- only one item allowed so ignore other stacks
+				end
+			end
+		end
+		if available_count == 0 or (exmatch_mode ~= 0 and filterfor.count and available_count < filterfor.count) then
 			return false -- not enough, fail
-						else
-							-- limit quantity to filter amount
-							count = math.min(filterfor.count, count)
-						end
-					end
-				else
-					count = 1
 		end
+		local taken_stacks = {}
+		for _,item in ipairs(available_items) do
+			local stack = frominv:get_stack(frominvname, item.spos)
+			local taken
 			if fromtube.remove_items then
-					-- it could be the entire stack...
-					item = fromtube.remove_items(frompos, fromnode, stack, dir, count, frominvname, spos)
+				taken = fromtube.remove_items(frompos, fromnode, stack, dir, item.count, frominvname, item.spos)
 			else
-					item = stack:take_item(count)
-					frominv:set_stack(frominvname, spos, stack)
+				taken = stack:take_item(item.count)
+				frominv:set_stack(frominvname, item.spos, stack)
 				if fromdef.on_metadata_inventory_take then
-						fromdef.on_metadata_inventory_take(frompos, frominvname, spos, item, fakeplayer)
+					fromdef.on_metadata_inventory_take(frompos, frominvname, item.spos, taken, fakeplayer)
 				end
 			end
+			if not taken:is_empty() then
+				table.insert(taken_stacks, taken)
+			end
+		end
+		if #taken_stacks > 1 then
+			-- merge stacks if possible to reduce items in tubes
+			local merged = {}
+			for _,a in ipairs(taken_stacks) do
+				for _,b in ipairs(merged) do
+					a = b:add_item(a)
+				end
+				if not a:is_empty() then
+					table.insert(merged, a)
+				end
+			end
+			taken_stacks = merged
+		end
+		for _,stack in ipairs(taken_stacks) do
 			local pos = vector.add(frompos, vector.multiply(dir, 1.4))
 			local start_pos = vector.add(frompos, dir)
-				pipeworks.tube_inject_item(pos, start_pos, dir, item,
-					fakeplayer:get_player_name(), item_tags)
-				return true -- only fire one item, please
+			pipeworks.tube_inject_item(pos, start_pos, dir, stack, fakeplayer:get_player_name(), item_tags)
 		end
-		end
-		return false
+		return true
 	end

 	for _, frominvname in ipairs(type(fromtube.input_inventory) == "table" and fromtube.input_inventory or {fromtube.input_inventory}) do
@ -417,14 +442,14 @@ for _, data in ipairs({
 			key = "node_sound_wood_defaults",
 		},
 		on_construct = function(pos)
-			local meta = minetest.get_meta(pos)
+			local meta = core.get_meta(pos)
 			set_filter_formspec(data, meta)
 			set_filter_infotext(data, meta)
 			local inv = meta:get_inventory()
 			inv:set_size("main", 8*2)
 		end,
 		after_place_node = function (pos, placer)
-			minetest.get_meta(pos):set_string("owner", placer:get_player_name())
+			core.get_meta(pos):set_string("owner", placer:get_player_name())
 			pipeworks.after_place(pos)
 		end,
 		after_dig_node = pipeworks.after_dig,
@ -433,7 +458,7 @@ for _, data in ipairs({
 			if not pipeworks.may_configure(pos, player) then
 				return 0
 			end
-			local inv = minetest.get_meta(pos):get_inventory()
+			local inv = core.get_meta(pos):get_inventory()
 			inv:set_stack("main", index, stack)
 			return 0
 		end,
@ -441,7 +466,7 @@ for _, data in ipairs({
 			if not pipeworks.may_configure(pos, player) then
 				return 0
 			end
-			local inv = minetest.get_meta(pos):get_inventory()
+			local inv = core.get_meta(pos):get_inventory()
 			local fake_stack = inv:get_stack("main", index)
 			fake_stack:take_item(stack:get_count())
 			inv:set_stack("main", index, fake_stack)
@ -456,7 +481,7 @@ for _, data in ipairs({

 	if data.digiline then
 		node.groups.mesecon = nil
-		if not minetest.get_modpath("digilines") then
+		if not core.get_modpath("digilines") then
 			node.groups.not_in_creative_inventory = 1
 		end

@ -469,10 +494,10 @@ for _, data in ipairs({
 			fs_helpers.on_receive_fields(pos, fields)

 			if fields.channel and (fields.key_enter_field == "channel" or fields.set_channel) then
-				minetest.get_meta(pos):set_string("channel", fields.channel)
+				core.get_meta(pos):set_string("channel", fields.channel)
 			end

-			local meta = minetest.get_meta(pos)
+			local meta = core.get_meta(pos)
 			if pipeworks.enable_item_tags and fields.item_tags and (fields.key_enter_field == "item_tags" or fields.set_item_tags) then
 				local tags = pipeworks.sanitize_tags(fields.item_tags)
 				meta:set_string("item_tags", table.concat(tags, ","))
@ -481,10 +506,10 @@ for _, data in ipairs({
 			set_filter_formspec(data, meta)
 			set_filter_infotext(data, meta)
 		end
-		node.digiline = {
+		node.digilines = {
 			effector = {
 				action = function(pos, node, channel, msg)
-					local meta = minetest.get_meta(pos)
+					local meta = core.get_meta(pos)
 					local setchan = meta:get_string("channel")
 					if setchan ~= channel then return end

@ -496,7 +521,7 @@ for _, data in ipairs({
 		node.on_receive_fields = function(pos, formname, fields, sender)
 			if not pipeworks.may_configure(pos, sender) then return end
 			fs_helpers.on_receive_fields(pos, fields)
-			local meta = minetest.get_meta(pos)
+			local meta = core.get_meta(pos)
 			meta:set_int("slotseq_index", 1)
 			if pipeworks.enable_item_tags and fields.item_tags and (fields.key_enter_field == "item_tags" or fields.set_item_tags) then
 				local tags = pipeworks.sanitize_tags(fields.item_tags)
@ -519,7 +544,7 @@ for _, data in ipairs({



-	minetest.register_node("pipeworks:"..data.name, node)
+	core.register_node("pipeworks:"..data.name, node)
 	pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:"..data.name
 end

@ -531,8 +556,8 @@ dropped.
 local function put_to_inputinv(pos, node, filtmeta, list)
 	local dir = pipeworks.facedir_to_right_dir(node.param2)
 	local frompos = vector.subtract(pos, dir)
-	local fromnode = minetest.get_node(frompos)
-	local fromdef = minetest.registered_nodes[fromnode.name]
+	local fromnode = core.get_node(frompos)
+	local fromdef = core.registered_nodes[fromnode.name]
 	if not fromdef or not fromdef.tube then
 		return
 	end
@ -545,7 +570,7 @@ local function put_to_inputinv(pos, node, filtmeta, list)
 			return
 		end
 	else
-		frominv = minetest.get_meta(frompos):get_inventory()
+		frominv = core.get_meta(frompos):get_inventory()
 	end
 	local listname = type(fromtube.input_inventory) == "table" and
 			fromtube.input_inventory[1] or fromtube.input_inventory
@ -557,19 +582,19 @@ local function put_to_inputinv(pos, node, filtmeta, list)
 		if not item:is_empty() then
 			local leftover = frominv:add_item(listname, item)
 			if not leftover:is_empty() then
-				minetest.add_item(pos, leftover)
+				core.add_item(pos, leftover)
 			end
 		end
 	end
 	return true
 end
-minetest.register_lbm({
+core.register_lbm({
 	label = "Give back items of old filters that had real inventories",
 	name = "pipeworks:give_back_old_filter_items",
 	nodenames = {"pipeworks:filter", "pipeworks:mese_filter"},
 	run_at_every_load = false,
 	action = function(pos, node)
-		local meta = minetest.get_meta(pos)
+		local meta = core.get_meta(pos)
 		local list = meta:get_inventory():get_list("main")
 		if put_to_inputinv(pos, node, meta, list) then
 			return
@ -578,7 +603,7 @@ minetest.register_lbm({
 		for i = 1, #list do
 			local item = list[i]
 			if not item:is_empty() then
-				minetest.add_item(pos, item)
+				core.add_item(pos, item)
 			end
 		end
 	end,
--- a/flowing_logic.lua
+++ b/flowing_logic.lua
@ -4,7 +4,7 @@
 -- Contributed by mauvebic, 2013-01-03, rewritten a bit by Vanessa Ezekowitz
 --

-local finitewater = minetest.settings:get_bool("liquid_finite")
+local finitewater = core.settings:get_bool("liquid_finite")

 pipeworks.check_for_liquids = function(pos)
 	local coords = {
@ -15,9 +15,9 @@ pipeworks.check_for_liquids = function(pos)
 		{x=pos.x,y=pos.y,z=pos.z-1},
 		{x=pos.x,y=pos.y,z=pos.z+1},	}
 	for i =1,6 do
-		local name = minetest.get_node(coords[i]).name
+		local name = core.get_node(coords[i]).name
 		if name and string.find(name,"water") then
-			if finitewater then minetest.remove_node(coords[i]) end
+			if finitewater then core.remove_node(coords[i]) end
 			return true
 		end
 	end
@ -37,19 +37,19 @@ pipeworks.check_for_inflows = function(pos,node)
 	local source = false
 	for i = 1, 6 do
 		if newnode then break end
-		local testnode = minetest.get_node(coords[i])
+		local testnode = core.get_node(coords[i])
 		local name = testnode.name
 		if name and (name == "pipeworks:pump_on" and pipeworks.check_for_liquids(coords[i])) or string.find(name,"_loaded") then
 			if string.find(name,"_loaded") then
-				source = minetest.get_meta(coords[i]):get_string("source")
-				if source == minetest.pos_to_string(pos) then break end
+				source = core.get_meta(coords[i]):get_string("source")
+				if source == core.pos_to_string(pos) then break end
 			end
 			if string.find(name, "valve") or string.find(name, "sensor")
 			  or string.find(name, "straight_pipe") or string.find(name, "panel") then

-				if ((i == 3 or i == 4) and minetest.facedir_to_dir(testnode.param2).x ~= 0)
-				  or ((i == 5 or i == 6) and minetest.facedir_to_dir(testnode.param2).z ~= 0)
-				  or ((i == 1 or i == 2) and minetest.facedir_to_dir(testnode.param2).y ~= 0) then
+				if ((i == 3 or i == 4) and core.facedir_to_dir(testnode.param2).x ~= 0)
+				  or ((i == 5 or i == 6) and core.facedir_to_dir(testnode.param2).z ~= 0)
+				  or ((i == 1 or i == 2) and core.facedir_to_dir(testnode.param2).y ~= 0) then

 					newnode = string.gsub(node.name,"empty","loaded")
 					source = {x=coords[i].x,y=coords[i].y,z=coords[i].z}
@ -61,30 +61,30 @@ pipeworks.check_for_inflows = function(pos,node)
 		end
 	end
 	if newnode then
-		minetest.add_node(pos,{name=newnode, param2 = node.param2})
-		minetest.get_meta(pos):set_string("source",minetest.pos_to_string(source))
+		core.add_node(pos,{name=newnode, param2 = node.param2})
+		core.get_meta(pos):set_string("source",core.pos_to_string(source))
 	end
 end

 pipeworks.check_sources = function(pos,node)
-	local sourcepos = minetest.string_to_pos(minetest.get_meta(pos):get_string("source"))
+	local sourcepos = core.string_to_pos(core.get_meta(pos):get_string("source"))
 	if not sourcepos then return end
-	local source = minetest.get_node(sourcepos).name
+	local source = core.get_node(sourcepos).name
 	local newnode = false
 	if source and not ((source == "pipeworks:pump_on" and pipeworks.check_for_liquids(sourcepos)) or string.find(source,"_loaded") or source == "ignore" ) then
 		newnode = string.gsub(node.name,"loaded","empty")
 	end

 	if newnode then
-		minetest.add_node(pos,{name=newnode, param2 = node.param2})
-		minetest.get_meta(pos):set_string("source","")
+		core.add_node(pos,{name=newnode, param2 = node.param2})
+		core.get_meta(pos):set_string("source","")
 	end
 end

 pipeworks.spigot_check = function(pos, node)
-	local belowname = minetest.get_node({x=pos.x,y=pos.y-1,z=pos.z}).name
+	local belowname = core.get_node({x=pos.x,y=pos.y-1,z=pos.z}).name
 	if belowname and (belowname == "air" or belowname == pipeworks.liquids.water.flowing or belowname == pipeworks.liquids.water.source) then
-		local spigotname = minetest.get_node(pos).name
+		local spigotname = core.get_node(pos).name
 		local fdir=node.param2 % 4
 		local check = {
 			{x=pos.x,y=pos.y,z=pos.z+1},
@ -92,19 +92,19 @@ pipeworks.spigot_check = function(pos, node)
 			{x=pos.x,y=pos.y,z=pos.z-1},
 			{x=pos.x-1,y=pos.y,z=pos.z}
 		}
-		local near_node = minetest.get_node(check[fdir+1])
+		local near_node = core.get_node(check[fdir+1])
 		if near_node and string.find(near_node.name, "_loaded") then
 			if spigotname and spigotname == "pipeworks:spigot" then
-				minetest.add_node(pos,{name = "pipeworks:spigot_pouring", param2 = fdir})
+				core.add_node(pos,{name = "pipeworks:spigot_pouring", param2 = fdir})
 				if finitewater or belowname ~= pipeworks.liquids.water.source then
-					minetest.add_node({x=pos.x,y=pos.y-1,z=pos.z},{name = pipeworks.liquids.water.source})
+					core.add_node({x=pos.x,y=pos.y-1,z=pos.z},{name = pipeworks.liquids.water.source})
 				end
 			end
 		else
 			if spigotname == "pipeworks:spigot_pouring" then
-				minetest.add_node({x=pos.x,y=pos.y,z=pos.z},{name = "pipeworks:spigot", param2 = fdir})
+				core.add_node({x=pos.x,y=pos.y,z=pos.z},{name = "pipeworks:spigot", param2 = fdir})
 				if belowname == pipeworks.liquids.water.source and not finitewater then
-					minetest.remove_node({x=pos.x,y=pos.y-1,z=pos.z})
+					core.remove_node({x=pos.x,y=pos.y-1,z=pos.z})
 				end
 			end
 		end
@ -112,22 +112,22 @@ pipeworks.spigot_check = function(pos, node)
 end

 pipeworks.fountainhead_check = function(pos, node)
-	local abovename = minetest.get_node({x=pos.x,y=pos.y+1,z=pos.z}).name
+	local abovename = core.get_node({x=pos.x,y=pos.y+1,z=pos.z}).name
 	if abovename and (abovename == "air" or abovename == pipeworks.liquids.water.flowing or abovename == pipeworks.liquids.water.source) then
-		local fountainhead_name = minetest.get_node(pos).name
-		local near_node = minetest.get_node({x=pos.x,y=pos.y-1,z=pos.z})
+		local fountainhead_name = core.get_node(pos).name
+		local near_node = core.get_node({x=pos.x,y=pos.y-1,z=pos.z})
 		if near_node and string.find(near_node.name, "_loaded") then
 			if fountainhead_name and fountainhead_name == "pipeworks:fountainhead" then
-				minetest.add_node(pos,{name = "pipeworks:fountainhead_pouring"})
+				core.add_node(pos,{name = "pipeworks:fountainhead_pouring"})
 				if finitewater or abovename ~= pipeworks.liquids.water.source then
-					minetest.add_node({x=pos.x,y=pos.y+1,z=pos.z},{name = pipeworks.liquids.water.source})
+					core.add_node({x=pos.x,y=pos.y+1,z=pos.z},{name = pipeworks.liquids.water.source})
 				end
 			end
 		else
 			if fountainhead_name == "pipeworks:fountainhead_pouring" then
-				minetest.add_node({x=pos.x,y=pos.y,z=pos.z},{name = "pipeworks:fountainhead"})
+				core.add_node({x=pos.x,y=pos.y,z=pos.z},{name = "pipeworks:fountainhead"})
 				if abovename == pipeworks.liquids.water.source and not finitewater then
-					minetest.remove_node({x=pos.x,y=pos.y+1,z=pos.z})
+					core.remove_node({x=pos.x,y=pos.y+1,z=pos.z})
 				end
 			end
 		end
--- a/init.lua
+++ b/init.lua
@ -6,16 +6,16 @@

 pipeworks = {
 	ui_cat_tube_list = {},
-	worldpath = minetest.get_worldpath(),
-	modpath = minetest.get_modpath("pipeworks"),
+	worldpath = core.get_worldpath(),
+	modpath = core.get_modpath("pipeworks"),
 	liquids = {
 		water = {
-			source = minetest.registered_nodes["mapgen_water_source"].name,
-			flowing = minetest.registered_nodes["mapgen_water_source"].liquid_alternative_flowing
+			source = core.registered_nodes["mapgen_water_source"].name,
+			flowing = core.registered_nodes["mapgen_water_source"].liquid_alternative_flowing
 		},
 		river_water = {
-			source = minetest.registered_nodes["mapgen_river_water_source"].name,
-			flowing = minetest.registered_nodes["mapgen_river_water_source"].liquid_alternative_flowing
+			source = core.registered_nodes["mapgen_river_water_source"].name,
+			flowing = core.registered_nodes["mapgen_river_water_source"].liquid_alternative_flowing
 		}
 	}
 }
@ -29,14 +29,14 @@ if worldsettingsfile then
 	dofile(worldsettingspath)
 end
 if pipeworks.toggles.pipe_mode == "pressure" then
-	minetest.log("warning", "pipeworks pressure logic mode comes with caveats and differences in behaviour, you have been warned!")
+	core.log("warning", "pipeworks pressure logic mode comes with caveats and differences in behaviour, you have been warned!")
 end
 if pipeworks.entity_update_interval >= 0.2 and pipeworks.enable_accelerator_tube then
-	minetest.log("warning", "pipeworks accelerator tubes will not entirely work with an entity update interval 0.2 or above.")
+	core.log("warning", "pipeworks accelerator tubes will not entirely work with an entity update interval 0.2 or above.")
 end

 pipeworks.logger = function(msg)
-	minetest.log("action", "[pipeworks] "..msg)
+	core.log("action", "[pipeworks] "..msg)
 end

 -------------------------------------------
@ -47,7 +47,7 @@ if pipeworks.toggles.finite_water == nil then
 	dofile(pipeworks.modpath.."/autodetect-finite-water.lua")
 end

-if minetest.get_modpath("signs_lib") then
+if core.get_modpath("signs_lib") then
 	dofile(pipeworks.modpath.."/signs_compat.lua")
 end

@ -73,7 +73,7 @@ dofile(pipeworks.modpath.."/tubes/tags.lua")
 if pipeworks.enable_teleport_tube then
 	dofile(pipeworks.modpath.."/tubes/teleport.lua")
 end
-if pipeworks.enable_lua_tube and minetest.get_modpath("mesecons") then
+if pipeworks.enable_lua_tube and core.get_modpath("mesecons") then
 	dofile(pipeworks.modpath.."/tubes/lua.lua")
 end
 if pipeworks.enable_sand_tube or pipeworks.enable_mese_sand_tube then
@ -99,10 +99,10 @@ end
 if pipeworks.enable_redefines then
 	dofile(pipeworks.modpath.."/compat-chests.lua")
 end
-if pipeworks.enable_redefines and (minetest.get_modpath("default") or minetest.get_modpath("hades_core")) then
+if pipeworks.enable_redefines and (core.get_modpath("default") or core.get_modpath("hades_core")) then
 	dofile(pipeworks.modpath.."/compat-furnaces.lua")
 end
-if pipeworks.enable_redefines and minetest.get_modpath("mcl_furnaces") then
+if pipeworks.enable_redefines and core.get_modpath("mcl_furnaces") then
 	dofile(pipeworks.modpath.."/mcl_furnaces.lua")
 end
 if pipeworks.enable_autocrafter then
@ -111,18 +111,24 @@ end

 dofile(pipeworks.modpath.."/crafts.lua")

-minetest.register_alias("pipeworks:pipe", "pipeworks:pipe_110000_empty")
+core.register_alias("pipeworks:pipe", "pipeworks:pipe_110000_empty")

 -- Unified Inventory categories integration

-if minetest.get_modpath("unified_inventory") and unified_inventory.registered_categories then
+if core.get_modpath("unified_inventory") and unified_inventory.registered_categories then
 	if not unified_inventory.registered_categories["automation"] then
+		local symbol
+		if pipeworks.enable_lua_tube then
+			symbol = "pipeworks:lua_tube000000"
+		else
+			symbol = "pipeworks:mese_filter" -- fallback when lua tube isn't registered
+		end
 		unified_inventory.register_category("automation", {
-			symbol = "pipeworks:lua_tube000000",
+			symbol = symbol,
 			label = "Automation components"
 		})
 	end
 	unified_inventory.add_category_items("automation", pipeworks.ui_cat_tube_list)
 end

-minetest.log("info", "Pipeworks loaded!")
+core.log("info", "Pipeworks loaded!")
--- a/item_transport.lua
+++ b/item_transport.lua
@ -1,11 +1,11 @@
 local luaentity = pipeworks.luaentity
-local enable_max_limit = minetest.settings:get_bool("pipeworks_enable_items_per_tube_limit")
-local max_tube_limit = tonumber(minetest.settings:get("pipeworks_max_items_per_tube")) or 30
+local enable_max_limit = core.settings:get_bool("pipeworks_enable_items_per_tube_limit")
+local max_tube_limit = tonumber(core.settings:get("pipeworks_max_items_per_tube")) or 30
 if enable_max_limit == nil then enable_max_limit = true end

 if pipeworks.enable_item_tags then
-	local max_tag_length = tonumber(minetest.settings:get("pipeworks_max_item_tag_length")) or 32
-	local max_tags = tonumber(minetest.settings:get("pipeworks_max_item_tags")) or 16
+	local max_tag_length = tonumber(core.settings:get("pipeworks_max_item_tag_length")) or 32
+	local max_tags = tonumber(core.settings:get("pipeworks_max_item_tags")) or 16

 	function pipeworks.sanitize_tags(tags)
 		if type(tags) == "string" then
@ -35,15 +35,26 @@ end
 function pipeworks.tube_inject_item(pos, start_pos, velocity, item, owner, tags)
 	-- Take item in any format
 	local stack = ItemStack(item)
+	local to_pos = vector.add(pos, velocity)
+	local def = core.registered_nodes[core.get_node(to_pos).name]
+	if not def or not def.groups or not (def.groups.tube
+			or def.groups.tubedevice or def.groups.tubedevice_receiver) then
+		local dropped_item = core.add_item(pos, stack)
+		if dropped_item then
+			dropped_item:set_velocity(vector.multiply(velocity, 5))
+		end
+		return
+	end
 	local obj = luaentity.add_entity(pos, "pipeworks:tubed_item")
+	if obj then
 		obj:set_item(stack:to_string())
 		obj.start_pos = vector.new(start_pos)
 		obj:set_velocity(velocity)
 		obj.owner = owner
 		obj.tags = tags
-	--obj:set_color("red") -- todo: this is test-only code
 		return obj
 	end
+end

 -- adding two tube functions
 -- can_remove(pos,node,stack,dir) returns the maximum number of items of that stack that can be removed
@ -63,14 +74,14 @@ end

 local tube_item_count = {}

-minetest.register_globalstep(function(dtime)
+core.register_globalstep(function(dtime)
 	if not luaentity.entities then
 		return
 	end
 	tube_item_count = {}
 	for _, entity in pairs(luaentity.entities) do
 		if entity.name == "pipeworks:tubed_item" then
-			local h = minetest.hash_node_position(vector.round(entity._pos))
+			local h = core.hash_node_position(vector.round(entity._pos))
 			tube_item_count[h] = (tube_item_count[h] or 0) + 1
 		end
 	end
@ -83,19 +94,20 @@ end)
 -- exceeds the limit configured per tube, replace it with a broken one.

 function pipeworks.break_tube(pos)
-	local node = minetest.get_node(pos)
-	local meta = minetest.get_meta(pos)
-	meta:set_string("the_tube_was", minetest.serialize(node))
-	minetest.swap_node(pos, {name = "pipeworks:broken_tube_1"})
+	local node = core.get_node(pos)
+	if core.get_item_group(node.name, "tube") ~= 1 then return end
+	local meta = core.get_meta(pos)
+	meta:set_string("the_tube_was", core.serialize(node))
+	core.swap_node(pos, {name = "pipeworks:broken_tube_1"})
 	pipeworks.scan_for_tube_objects(pos)
 end

 local crunch_tube = function(pos, cnode, cmeta)
 	if enable_max_limit then
-		local h = minetest.hash_node_position(pos)
+		local h = core.hash_node_position(pos)
 		local itemcount = tube_item_count[h] or 0
 		if itemcount > max_tube_limit then
-			pipeworks.logger("Warning - a tube at "..minetest.pos_to_string(pos).." broke due to too many items ("..itemcount..")")
+			pipeworks.logger("Warning - a tube at "..core.pos_to_string(pos).." broke due to too many items ("..itemcount..")")
 			pipeworks.break_tube(pos)
 		end
 	end
@ -110,12 +122,12 @@ local function go_next_compat(pos, cnode, cmeta, cycledir, vel, stack, owner, ta
 	local max_priority = 0
 	local can_go

-	local def = minetest.registered_nodes[cnode.name]
+	local def = core.registered_nodes[cnode.name]
 	if def and def.tube and def.tube.can_go then
 		can_go = def.tube.can_go(pos, cnode, vel, stack, tags)
 	else
-		local adjlist_string = minetest.get_meta(pos):get_string("adjlist")
-		local adjlist = minetest.deserialize(adjlist_string) or default_adjlist -- backward compat: if not found, use old behavior: all directions
+		local adjlist_string = core.get_meta(pos):get_string("adjlist")
+		local adjlist = core.deserialize(adjlist_string) or default_adjlist -- backward compat: if not found, use old behavior: all directions

 		can_go = pipeworks.notvel(adjlist, vel)
 	end
@ -128,11 +140,11 @@ local function go_next_compat(pos, cnode, cmeta, cycledir, vel, stack, owner, ta
 	for _, vect in ipairs(can_go) do
 		local npos = vector.add(pos, vect)
 		pipeworks.load_position(npos)
-		local node = minetest.get_node(npos)
-		local reg_node = minetest.registered_nodes[node.name]
+		local node = core.get_node(npos)
+		local reg_node = core.registered_nodes[node.name]
 		if reg_node then
 			local tube_def = reg_node.tube
-			local tubedevice = minetest.get_item_group(node.name, "tubedevice")
+			local tubedevice = core.get_item_group(node.name, "tubedevice")
 			local tube_priority = (tube_def and tube_def.priority) or 100
 			if tubedevice > 0 and tube_priority >= max_priority then
 				if not tube_def or not tube_def.can_insert or
@ -172,8 +184,8 @@ end
 --	if this is not nil, the luaentity spawns new tubed items for each new fragment stack,
 --	then deletes itself (i.e. the original item stack).
 local function go_next(pos, velocity, stack, owner, tags)
-	local cnode = minetest.get_node(pos)
-	local cmeta = minetest.get_meta(pos)
+	local cnode = core.get_node(pos)
+	local cmeta = core.get_meta(pos)
 	local speed = math.abs(velocity.x + velocity.y + velocity.z)
 	if speed == 0 then
 		speed = 1
@ -211,7 +223,7 @@ end



-minetest.register_entity("pipeworks:tubed_item", {
+core.register_entity("pipeworks:tubed_item", {
 	initial_properties = {
 		hp_max = 1,
 		physical = false,
@ -236,9 +248,9 @@ minetest.register_entity("pipeworks:tubed_item", {
 		end
 		local item_texture = nil
 		local item_type = ""
-		if minetest.registered_items[itemname] then
-			item_texture = minetest.registered_items[itemname].inventory_image
-			item_type = minetest.registered_items[itemname].type
+		if core.registered_items[itemname] then
+			item_texture = core.registered_items[itemname].inventory_image
+			item_type = core.registered_items[itemname].type
 		end
 		--]]
 		self.object:set_properties({
@ -258,13 +270,13 @@ minetest.register_entity("pipeworks:tubed_item", {
 			self.object:remove()
 			return
 		end
-		local item = minetest.deserialize(staticdata)
+		local item = core.deserialize(staticdata)
 		pipeworks.tube_inject_item(self.object:get_pos(), item.start_pos, item.velocity, item.itemstring)
 		self.object:remove()
 	end,
 })

-minetest.register_entity("pipeworks:color_entity", {
+core.register_entity("pipeworks:color_entity", {
 	initial_properties = {
 		hp_max = 1,
 		physical = false,
@ -362,10 +374,10 @@ luaentity.register_entity("pipeworks:tubed_item", {
 		local stack = ItemStack(self.itemstring)

 		pipeworks.load_position(self.start_pos)
-		local node = minetest.get_node(self.start_pos)
-		if minetest.get_item_group(node.name, "tubedevice_receiver") == 1 then
+		local node = core.get_node(self.start_pos)
+		if core.get_item_group(node.name, "tubedevice_receiver") == 1 then
 			local leftover
-			local def = minetest.registered_nodes[node.name]
+			local def = core.registered_nodes[node.name]
 			if def.tube and def.tube.insert_object then
 				leftover = def.tube.insert_object(self.start_pos, node, stack, vel, self.owner)
 			else
@ -392,15 +404,15 @@ luaentity.register_entity("pipeworks:tubed_item", {
 		end
 		local rev_vel = vector.multiply(velocity, -1)
 		local rev_dir = vector.direction(self.start_pos,vector.add(self.start_pos,rev_vel))
-		local rev_node = minetest.get_node(vector.round(vector.add(self.start_pos,rev_dir)))
-		local tube_present = minetest.get_item_group(rev_node.name,"tubedevice") == 1
+		local rev_node = core.get_node(vector.round(vector.add(self.start_pos,rev_dir)))
+		local tube_present = core.get_item_group(rev_node.name,"tubedevice") == 1
 		if not found_next then
 			if pipeworks.drop_on_routing_fail or not tube_present or
-					minetest.get_item_group(rev_node.name,"tube") ~= 1 then
+					core.get_item_group(rev_node.name,"tube") ~= 1 then
 				-- Using add_item instead of item_drop since this makes pipeworks backward
 				-- compatible with Minetest 0.4.13.
 				-- Using item_drop here makes Minetest 0.4.13 crash.
-				local dropped_item = minetest.add_item(self.start_pos, stack)
+				local dropped_item = core.add_item(self.start_pos, stack)
 				if dropped_item then
 					dropped_item:set_velocity(vector.multiply(velocity, 5))
 					self:remove()
@ -430,19 +442,19 @@ luaentity.register_entity("pipeworks:tubed_item", {
 	end
 })

-if minetest.get_modpath("mesecons_mvps") then
+if core.get_modpath("mesecons_mvps") then
 	mesecon.register_mvps_unmov("pipeworks:tubed_item")
 	mesecon.register_mvps_unmov("pipeworks:color_entity")
 	mesecon.register_on_mvps_move(function(moved_nodes)
 		local moved = {}
 		for _, n in ipairs(moved_nodes) do
-			moved[minetest.hash_node_position(n.oldpos)] = vector.subtract(n.pos, n.oldpos)
+			moved[core.hash_node_position(n.oldpos)] = vector.subtract(n.pos, n.oldpos)
 		end
 		for _, entity in pairs(luaentity.entities) do
 			if entity.name == "pipeworks:tubed_item" then
 				local pos = entity:get_pos()
 				local rpos = vector.round(pos)
-				local dir = moved[minetest.hash_node_position(rpos)]
+				local dir = moved[core.hash_node_position(rpos)]
 				if dir then
 					entity:set_pos(vector.add(pos, dir))
 					entity.start_pos = vector.add(entity.start_pos, dir)
--- a/luaentity.lua
+++ b/luaentity.lua
@ -5,19 +5,19 @@ pipeworks.luaentity = luaentity

 luaentity.registered_entities = {}

-local filename = minetest.get_worldpath().."/luaentities"
+local filename = core.get_worldpath().."/luaentities"
 local function read_file()
 	local f = io.open(filename, "r")
 	if f == nil then return {} end
 	local t = f:read("*all")
 	f:close()
 	if t == "" or t == nil then return {} end
-	return minetest.deserialize(t) or {}
+	return core.deserialize(t) or {}
 end

 local function write_file(tbl)
 	local f = io.open(filename, "w")
-	f:write(minetest.serialize(tbl))
+	f:write(core.serialize(tbl))
 	f:close()
 end

@ -64,7 +64,7 @@ local function write_entities()
 	write_file(luaentity.entities)
 end

-minetest.register_on_shutdown(write_entities)
+core.register_on_shutdown(write_entities)
 luaentity.entities_index = 0

 local move_entities_globalstep_part1
@ -80,11 +80,11 @@ if pipeworks.use_real_entities then
 	end

 	move_entities_globalstep_part1 = function(dtime)
-		local active_block_range = tonumber(minetest.settings:get("active_block_range")) or 2
+		local active_block_range = tonumber(core.settings:get("active_block_range")) or 2
 		for key in pairs(active_blocks) do
 			active_blocks[key] = nil
 		end
-		for _, player in ipairs(minetest.get_connected_players()) do
+		for _, player in ipairs(core.get_connected_players()) do
 			local blockpos = get_blockpos(player:get_pos())
 			local minpx = blockpos.x - active_block_range
 			local minpy = blockpos.y - active_block_range
@ -97,7 +97,7 @@ if pipeworks.use_real_entities then
 				for y = minpy, maxpy do
 					for z = minpz, maxpz do
 						local pos = {x = x, y = y, z = z}
-						active_blocks[minetest.hash_node_position(pos)] = true
+						active_blocks[core.hash_node_position(pos)] = true
 					end
 				end
 			end
@ -106,7 +106,7 @@ if pipeworks.use_real_entities then
 	end

 	is_active = function(pos)
-		return active_blocks[minetest.hash_node_position(get_blockpos(pos))] ~= nil
+		return active_blocks[core.hash_node_position(get_blockpos(pos))] ~= nil
 	end
 else
 	move_entities_globalstep_part1 = function()
@ -168,7 +168,7 @@ local entitydef_default = {
 		if not is_active(entity_pos) then
 			return
 		end
-		local object = minetest.add_entity(entity_pos, entity.name)
+		local object = core.add_entity(entity_pos, entity.name)
 		if not object then
 			return
 		end
@ -290,7 +290,7 @@ end

 function luaentity.add_entity(pos, name)
 	if not luaentity.entities then
-		minetest.after(0, luaentity.add_entity, vector.new(pos), name)
+		core.after(0, luaentity.add_entity, vector.new(pos), name)
 		return
 	end
 	local index = luaentity.entities_index
@ -399,7 +399,7 @@ local dtime_accum = 0
 local dtime_delayed = 0
 local skip_update = false

-minetest.register_globalstep(function(dtime)
+core.register_globalstep(function(dtime)
 	if dtime >= 0.2 and dtime_delayed < 1 then
 		-- Reduce activity when the server is lagging.
 		skip_update = true
--- a/mcl_furnaces.lua
+++ b/mcl_furnaces.lua
@ -1,7 +1,7 @@

-local old_furnace = table.copy(minetest.registered_nodes["mcl_furnaces:furnace"])
-local old_blast_furnace = table.copy(minetest.registered_nodes["mcl_blast_furnace:blast_furnace"])
-local old_smoker = table.copy(minetest.registered_nodes["mcl_smoker:smoker"])
+local old_furnace = table.copy(core.registered_nodes["mcl_furnaces:furnace"])
+local old_blast_furnace = table.copy(core.registered_nodes["mcl_blast_furnace:blast_furnace"])
+local old_smoker = table.copy(core.registered_nodes["mcl_smoker:smoker"])

 local tube_entry = "^pipeworks_tube_connection_stony.png"

@ -27,8 +27,8 @@ smoker_groups_active["not_in_creative_inventory"] = 1

 -- a hack to give the exp to fake players it's be dropped instead added to (fake) player inv
 local function give_xp(pos, player)
-   local meta = minetest.get_meta(pos)
-   local dir = vector.divide(minetest.facedir_to_dir(minetest.get_node(pos).param2), -1.95)
+   local meta = core.get_meta(pos)
+   local dir = vector.divide(core.facedir_to_dir(core.get_node(pos).param2), -1.95)
   local xp = meta:get_int("xp")
   if xp > 0 then
      mcl_experience.throw_xp(vector.add(pos, dir), xp)
@ -51,9 +51,9 @@ override.groups = furnace_groups

 override.tube = {
   insert_object = function(pos, node, stack, direction)
-      local meta = minetest.get_meta(pos)
+      local meta = core.get_meta(pos)
      local inv = meta:get_inventory()
-      local timer = minetest.get_node_timer(pos)
+      local timer = core.get_node_timer(pos)
      if not timer:is_started() then
 	 timer:start(1.0)
      end
@ -64,7 +64,7 @@ override.tube = {
      end
   end,
   can_insert = function(pos,node,stack,direction)
-      local meta = minetest.get_meta(pos)
+      local meta = core.get_meta(pos)
      local inv = meta:get_inventory()
      if direction.y == 1 then
 	 return inv:room_for_item("fuel", stack)
@ -117,9 +117,9 @@ override_active.groups = furnace_groups_active

 override_active.tube = {
   insert_object = function(pos,node,stack,direction)
-      local meta = minetest.get_meta(pos)
+      local meta = core.get_meta(pos)
      local inv = meta:get_inventory()
-      local timer = minetest.get_node_timer(pos)
+      local timer = core.get_node_timer(pos)
      if not timer:is_started() then
 	 timer:start(1.0)
      end
@ -130,7 +130,7 @@ override_active.tube = {
      end
   end,
   can_insert = function(pos, node, stack, direction)
-      local meta = minetest.get_meta(pos)
+      local meta = core.get_meta(pos)
      local inv = meta:get_inventory()
      if direction.y == 1 then
 	 return inv:room_for_item("fuel", stack)
@ -160,9 +160,9 @@ override_blast_furnace.groups = blast_furnace_groups

 override_blast_furnace.tube = {
   insert_object = function(pos, node, stack, direction)
-      local meta = minetest.get_meta(pos)
+      local meta = core.get_meta(pos)
      local inv = meta:get_inventory()
-      local timer = minetest.get_node_timer(pos)
+      local timer = core.get_node_timer(pos)
      if not timer:is_started() then
 	 timer:start(1.0)
      end
@ -173,7 +173,7 @@ override_blast_furnace.tube = {
      end
   end,
   can_insert = function(pos,node,stack,direction)
-      local meta = minetest.get_meta(pos)
+      local meta = core.get_meta(pos)
      local inv = meta:get_inventory()
      if direction.y == 1 then
 	 return inv:room_for_item("fuel", stack)
@ -228,9 +228,9 @@ override_blast_active.groups = blast_furnace_groups_active

 override_blast_active.tube = {
   insert_object = function(pos,node,stack,direction)
-      local meta = minetest.get_meta(pos)
+      local meta = core.get_meta(pos)
      local inv = meta:get_inventory()
-      local timer = minetest.get_node_timer(pos)
+      local timer = core.get_node_timer(pos)
      if not timer:is_started() then
 	 timer:start(1.0)
      end
@ -241,7 +241,7 @@ override_blast_active.tube = {
      end
   end,
   can_insert = function(pos, node, stack, direction)
-      local meta = minetest.get_meta(pos)
+      local meta = core.get_meta(pos)
      local inv = meta:get_inventory()
      if direction.y == 1 then
 	 return inv:room_for_item("fuel", stack)
@ -271,9 +271,9 @@ override_smoker.groups = smoker_groups

 override_smoker.tube = {
   insert_object = function(pos, node, stack, direction)
-      local meta = minetest.get_meta(pos)
+      local meta = core.get_meta(pos)
      local inv = meta:get_inventory()
-      local timer = minetest.get_node_timer(pos)
+      local timer = core.get_node_timer(pos)
      if not timer:is_started() then
 	 timer:start(1.0)
      end
@ -284,7 +284,7 @@ override_smoker.tube = {
      end
   end,
   can_insert = function(pos,node,stack,direction)
-      local meta = minetest.get_meta(pos)
+      local meta = core.get_meta(pos)
      local inv = meta:get_inventory()
      if direction.y == 1 then
 	 return inv:room_for_item("fuel", stack)
@ -339,9 +339,9 @@ override_smoker_active.groups = smoker_groups_active

 override_smoker_active.tube = {
   insert_object = function(pos,node,stack,direction)
-      local meta = minetest.get_meta(pos)
+      local meta = core.get_meta(pos)
      local inv = meta:get_inventory()
-      local timer = minetest.get_node_timer(pos)
+      local timer = core.get_node_timer(pos)
      if not timer:is_started() then
 	 timer:start(1.0)
      end
@ -352,7 +352,7 @@ override_smoker_active.tube = {
      end
   end,
   can_insert = function(pos, node, stack, direction)
-      local meta = minetest.get_meta(pos)
+      local meta = core.get_meta(pos)
      local inv = meta:get_inventory()
      if direction.y == 1 then
 	 return inv:room_for_item("fuel", stack)
@ -366,11 +366,11 @@ override_smoker_active.tube = {


 -- override
-minetest.override_item("mcl_furnaces:furnace", override)
-minetest.override_item("mcl_furnaces:furnace_active", override_active)
+core.override_item("mcl_furnaces:furnace", override)
+core.override_item("mcl_furnaces:furnace_active", override_active)

-minetest.override_item("mcl_blast_furnace:blast_furnace", override_blast_furnace)
-minetest.override_item("mcl_blast_furnace:blast_furnace_active", override_blast_active)
+core.override_item("mcl_blast_furnace:blast_furnace", override_blast_furnace)
+core.override_item("mcl_blast_furnace:blast_furnace_active", override_blast_active)

-minetest.override_item("mcl_smoker:smoker", override_smoker)
-minetest.override_item("mcl_smoker:smoker_active", override_smoker_active)
+core.override_item("mcl_smoker:smoker", override_smoker)
+core.override_item("mcl_smoker:smoker_active", override_smoker_active)
--- a/pipes.lua
+++ b/pipes.lua
@ -1,5 +1,5 @@
 -- This file supplies the steel pipes
-local S = minetest.get_translator("pipeworks")
+local S = core.get_translator("pipeworks")

 local REGISTER_COMPATIBILITY = true

@ -41,7 +41,7 @@ for index, connects in ipairs(cconnects) do
 	local pipedesc = S("Pipe Segment").." "..dump(connects)

 	if #connects == 0 then
-		pgroups = {snappy = 3, tube = 1, dig_generic = 4, axey=1, handy=1, pickaxey=1}
+		pgroups = {snappy = 3, pipe = 1, dig_generic = 4, axey = 1, handy = 1, pickaxey = 1}
 		pipedesc = S("Pipe Segment")
 	end

@ -59,7 +59,7 @@ for index, connects in ipairs(cconnects) do
 		mesh = "pipeworks_pipe_3"..polys..".obj"
 	end

-	minetest.register_node("pipeworks:pipe_"..index.."_empty", {
+	core.register_node("pipeworks:pipe_"..index.."_empty", {
 		description = pipedesc,
 		drawtype = "mesh",
 		mesh = mesh,
@ -97,7 +97,7 @@ for index, connects in ipairs(cconnects) do

 	local pgroups = {snappy = 3, pipe = 1, not_in_creative_inventory = 1, dig_generic = 4, axey = 1, handy = 1, pickaxey = 1}

-	minetest.register_node("pipeworks:pipe_"..index.."_loaded", {
+	core.register_node("pipeworks:pipe_"..index.."_loaded", {
 		description = pipedesc,
 		drawtype = "mesh",
 		mesh = mesh,
@ -122,7 +122,7 @@ for index, connects in ipairs(cconnects) do
 		walkable = true,
 		drop = "pipeworks:pipe_1_empty",
 		after_place_node = function(pos)
-			minetest.set_node(pos, { name = "pipeworks:pipe_"..index.."_empty" })
+			core.set_node(pos, { name = "pipeworks:pipe_"..index.."_empty" })
 			pipeworks.scan_for_pipe_objects(pos)
 		end,
 		after_dig_node = function(pos)
@ -147,7 +147,7 @@ pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:pipe_1_em
 if REGISTER_COMPATIBILITY then
 	local cempty = "pipeworks:pipe_compatibility_empty"
 	local cloaded = "pipeworks:pipe_compatibility_loaded"
-	minetest.register_node(cempty, {
+	core.register_node(cempty, {
 		drawtype = "airlike",
 		sunlight_propagates = true,
 		paramtype = "light",
@ -161,7 +161,7 @@ if REGISTER_COMPATIBILITY then
 		on_rotate = false

 	})
-	minetest.register_node(cloaded, {
+	core.register_node(cloaded, {
 		drawtype = "airlike",
 		sunlight_propagates = true,
 		paramtype = "light",
@ -181,22 +181,22 @@ if REGISTER_COMPATIBILITY then
 	for zm = 0, 1 do
 	for zp = 0, 1 do
 		local pname = xm..xp..ym..yp..zm..zp
-		minetest.register_alias("pipeworks:pipe_"..pname.."_empty", cempty)
-		minetest.register_alias("pipeworks:pipe_"..pname.."_loaded", cloaded)
+		core.register_alias("pipeworks:pipe_"..pname.."_empty", cempty)
+		core.register_alias("pipeworks:pipe_"..pname.."_loaded", cloaded)
 	end
 	end
 	end
 	end
 	end
 	end
-	minetest.register_abm({
+	core.register_abm({
 		nodenames = {"group:pipe_to_update"},
 		interval = 1,
 		chance = 1,
 		action = function(pos, node, active_object_count, active_object_count_wider)
 			local minp = {x = pos.x-1, y = pos.y-1, z = pos.z-1}
 			local maxp = {x = pos.x+1, y = pos.y+1, z = pos.z+1}
-			if table.getn(minetest.find_nodes_in_area(minp, maxp, "ignore")) == 0 then
+			if table.getn(core.find_nodes_in_area(minp, maxp, "ignore")) == 0 then
 				pipeworks.scan_for_pipe_objects(pos)
 			end
 		end
@ -229,7 +229,7 @@ pipeworks.pipes_empty_nodenames = pipes_empty_nodenames

 if pipeworks.toggles.pipe_mode == "classic" then

-minetest.register_abm({
+core.register_abm({
 	nodenames = pipes_empty_nodenames,
 	interval = 1,
 	chance = 1,
@ -238,7 +238,7 @@ minetest.register_abm({
 	end
 })

-minetest.register_abm({
+core.register_abm({
 	nodenames = pipes_full_nodenames,
 	interval = 1,
 	chance = 1,
@ -247,7 +247,7 @@ minetest.register_abm({
 	end
 })

-minetest.register_abm({
+core.register_abm({
 	nodenames = {"pipeworks:spigot","pipeworks:spigot_pouring"},
 	interval = 1,
 	chance = 1,
@ -256,7 +256,7 @@ minetest.register_abm({
 	end
 })

-minetest.register_abm({
+core.register_abm({
 	nodenames = {"pipeworks:fountainhead","pipeworks:fountainhead_pouring"},
 	interval = 1,
 	chance = 1,
--- a/pressure_logic/abm_register.lua
+++ b/pressure_logic/abm_register.lua
@ -11,7 +11,7 @@ local flowlogic = pipeworks.flowlogic

 local register_flowlogic_abm = function(nodename)
 	if pipeworks.toggles.pipe_mode == "pressure" then
-		minetest.register_abm({
+		core.register_abm({
 			label = "pipeworks new_flow_logic run",
 			nodenames = { nodename },
 			interval = 1,
@ -21,7 +21,7 @@ local register_flowlogic_abm = function(nodename)
 			end
 		})
 	else
-		minetest.log("warning", "pipeworks pressure_logic not enabled but register.flowlogic() requested")
+		core.log("warning", "pipeworks pressure_logic not enabled but register.flowlogic() requested")
 	end
 end
 register.flowlogic = register_flowlogic_abm
--- a/pressure_logic/abms.lua
+++ b/pressure_logic/abms.lua
@ -41,9 +41,9 @@ local check_for_liquids_v2 = function(pos, limit)
 	local total = 0
 	for _, tpos in ipairs(coords) do
 		if total >= limit then break end
-		local name = minetest.get_node(tpos).name
+		local name = core.get_node(tpos).name
 		if name == pipeworks.liquids.water.source then
-			minetest.remove_node(tpos)
+			core.remove_node(tpos)
 			total = total + 1
 		end
 	end
@ -56,7 +56,7 @@ flowlogic.check_for_liquids_v2 = check_for_liquids_v2

 local label_pressure = "pipeworks.water_pressure"
 local get_pressure_access = function(pos)
-	local metaref = minetest.get_meta(pos)
+	local metaref = core.get_meta(pos)
 	return {
 		get = function()
 			return metaref:get_float(label_pressure)
@ -114,7 +114,7 @@ flowlogic.run = function(pos, node)
 	if pipeworks.flowables.transitions.list[nodename] then
 		local newnode = flowlogic.run_transition(node, currentpressure)
 		--pipeworks.logger("flowlogic.run()@"..formatvec(pos).." transition, new node name = "..dump(newnode).." pressure "..tostring(currentpressure))
-		minetest.swap_node(pos, newnode)
+		core.swap_node(pos, newnode)
 		flowlogic.run_transition_post(pos, newnode)
 	end

@ -155,7 +155,7 @@ local get_neighbour_positions = function(pos, node)
 	local connections = {}
 	for _, offset in ipairs(candidates) do
 		local npos = vector.add(pos, offset)
-		local neighbour = minetest.get_node(npos)
+		local neighbour = core.get_node(npos)
 		local nodename = neighbour.name
 		local is_simple = (pipeworks.flowables.list.simple[nodename])
 		if is_simple then
@ -241,7 +241,7 @@ flowlogic.helpers.make_neighbour_output_fixed = function(neighbours)
 		local taken = 0
 		for _, offset in pairs(neighbours) do
 			local npos = vector.add(pos, offset)
-			local name = minetest.get_node(npos).name
+			local name = core.get_node(npos).name
 			if currentpressure < 1 then break end
 			-- take pressure anyway in non-finite mode, even if node is water source already.
 			-- in non-finite mode, pressure has to be sustained to keep the sources there.
@ -249,7 +249,7 @@ flowlogic.helpers.make_neighbour_output_fixed = function(neighbours)
 			-- draining pressure is not.
 			local canplace = (name == "air") or (name == pipeworks.liquids.water.flowing)
 			if canplace then
-				minetest.swap_node(npos, {name=pipeworks.liquids.water.source})
+				core.swap_node(npos, {name=pipeworks.liquids.water.source})
 			end
 			if (not finitemode) or canplace then
 				taken = taken + 1
@ -267,10 +267,10 @@ flowlogic.helpers.make_neighbour_cleanup_fixed = function(neighbours)
 		--pipeworks.logger("neighbour_cleanup_fixed@"..formatvec(pos))
 		for _, offset in pairs(neighbours) do
 			local npos = vector.add(pos, offset)
-			local name = minetest.get_node(npos).name
+			local name = core.get_node(npos).name
 			if (name == pipeworks.liquids.water.source) then
 				--pipeworks.logger("neighbour_cleanup_fixed removing "..formatvec(npos))
-				minetest.remove_node(npos)
+				core.remove_node(npos)
 			end
 		end
 	end
@ -351,9 +351,9 @@ end
 -- among other things, updates mesecons if present.
 -- node here means the new node, returned from run_transition() above
 flowlogic.run_transition_post = function(pos, node)
-	local mesecons_def = minetest.registered_nodes[node.name].mesecons
+	local mesecons_def = core.registered_nodes[node.name].mesecons
 	local mesecons_rules = pipeworks.flowables.transitions.mesecons[node.name]
-	if minetest.get_modpath("mesecons") and (mesecons_def ~= nil) and mesecons_rules then
+	if core.get_modpath("mesecons") and (mesecons_def ~= nil) and mesecons_rules then
 		if type(mesecons_def) ~= "table" then
 			pipeworks.logger("flowlogic.run_transition_post() BUG mesecons def for "..node.name.."not a table: got "..tostring(mesecons_def))
 		else
--- a/trashcan.lua
+++ b/trashcan.lua
@ -1,5 +1,5 @@
-local S = minetest.get_translator("pipeworks")
-minetest.register_node("pipeworks:trashcan", {
+local S = core.get_translator("pipeworks")
+core.register_node("pipeworks:trashcan", {
 	description = S("Trash Can"),
 	drawtype = "normal",
 	tiles = {
@ -21,10 +21,10 @@ minetest.register_node("pipeworks:trashcan", {
 		priority = 1, -- Lower than anything else
 	},
 	on_construct = function(pos)
-		local meta = minetest.get_meta(pos)
+		local meta = core.get_meta(pos)
 		local size = "10.2,9"
 		local list_background = ""
-		if minetest.get_modpath("i3") or minetest.get_modpath("mcl_formspec") then
+		if core.get_modpath("i3") or core.get_modpath("mcl_formspec") then
 			list_background = "style_type[box;colors=#666]box[4.5,2;1,1;]"
 		end
 		meta:set_string("formspec",
@ -46,7 +46,7 @@ minetest.register_node("pipeworks:trashcan", {
 	after_place_node = pipeworks.after_place,
 	after_dig_node = pipeworks.after_dig,
 	on_metadata_inventory_put = function(pos, listname, index, stack, player)
-		minetest.get_meta(pos):get_inventory():set_stack(listname, index, ItemStack(""))
+		core.get_meta(pos):get_inventory():set_stack(listname, index, ItemStack(""))
 	end,
 })
 pipeworks.ui_cat_tube_list[#pipeworks.ui_cat_tube_list+1] = "pipeworks:trashcan"
--- a/tubes/embedded_tube.lua
+++ b/tubes/embedded_tube.lua
@ -1,13 +1,13 @@
 local materials = xcompat.materials
-local S = minetest.get_translator("pipeworks")
+local S = core.get_translator("pipeworks")

 local straight = function(pos, node, velocity, stack) return {velocity} end
 local steel_tex = "[combine:16x16^[noalpha^[colorize:#D3D3D3"
-if minetest.get_modpath("default") then steel_tex = "default_steel_block.png" end
+if core.get_modpath("default") then steel_tex = "default_steel_block.png" end

 -- register an embedded tube
 function pipeworks.register_embedded_tube(nodename, opts)
-	minetest.register_node(nodename, {
+	core.register_node(nodename, {
 		description = opts.description,
 		tiles = {
 			opts.base_texture,
@ -41,7 +41,7 @@ function pipeworks.register_embedded_tube(nodename, opts)
 			priority = 50,
 			can_go = straight,
 			can_insert = function(pos, node, stack, direction)
-				local dir = minetest.facedir_to_dir(node.param2)
+				local dir = core.facedir_to_dir(node.param2)
 				return vector.equals(dir, direction) or vector.equals(vector.multiply(dir, -1), direction)
 			end
 		},
@ -50,7 +50,7 @@ function pipeworks.register_embedded_tube(nodename, opts)
 		on_rotate = pipeworks.on_rotate,
 	})

-	minetest.register_craft( {
+	core.register_craft( {
 		output = nodename .. " 1",
 		recipe = {
 			{ opts.base_ingredient, opts.base_ingredient, opts.base_ingredient },
--- a/tubes/lua.lua
+++ b/tubes/lua.lua
@ -26,10 +26,12 @@
 -- use too much memory from the sandbox.
 -- You can add more functions to the environment
 -- (see where local env is defined)
-- Something nice to play is appending minetest.env to it.
+-- Something nice to play is appending core.env to it.

 local BASENAME = "pipeworks:lua_tube"

+local has_digilines = core.get_modpath("digilines")
+
 local rules = {
 	red    = {x = -1, y =  0, z =  0, name = "red"},
 	blue   = {x =  1, y =  0, z =  0, name = "blue"},
@ -63,7 +65,7 @@ local digiline_rules_luatube = {
 -- These helpers are required to set the port states of the lua_tube

 local function update_real_port_states(pos, rule_name, new_state)
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	if rule_name == nil then
 		meta:set_int("real_portstates", 1)
 		return
@ -100,7 +102,7 @@ local port_names = {"red", "blue", "yellow", "green", "black", "white"}

 local function get_real_port_states(pos)
 	-- Determine if ports are powered (by itself or from outside)
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	local L = {}
 	local n = meta:get_int("real_portstates") - 1
 	for _, name in ipairs(port_names) do
@ -153,10 +155,10 @@ end


 local function set_port_states(pos, ports)
-	local node = minetest.get_node(pos)
+	local node = core.get_node(pos)
 	local name = node.name
 	clean_port_states(ports)
-	local vports = minetest.registered_nodes[name].virtual_portstates
+	local vports = core.registered_nodes[name].virtual_portstates
 	local new_name = generate_name(ports)

 	if name ~= new_name and vports then
@ -169,17 +171,17 @@ local function set_port_states(pos, ports)
 		-- its output off.
 		-- Solution / Workaround:
 		-- Remember which output was turned off and ignore next "off" event.
-		local meta = minetest.get_meta(pos)
-		local ign = minetest.deserialize(meta:get_string("ignore_offevents"), true) or {}
+		local meta = core.get_meta(pos)
+		local ign = core.deserialize(meta:get_string("ignore_offevents"), true) or {}
 		if ports.red    and not vports.red    and not mesecon.is_powered(pos, rules.red)    then ign.red    = true end
 		if ports.blue   and not vports.blue   and not mesecon.is_powered(pos, rules.blue)   then ign.blue   = true end
 		if ports.yellow and not vports.yellow and not mesecon.is_powered(pos, rules.yellow) then ign.yellow = true end
 		if ports.green  and not vports.green  and not mesecon.is_powered(pos, rules.green)  then ign.green  = true end
 		if ports.black  and not vports.black  and not mesecon.is_powered(pos, rules.black)  then ign.black  = true end
 		if ports.white  and not vports.white  and not mesecon.is_powered(pos, rules.white)  then ign.white  = true end
-		meta:set_string("ignore_offevents", minetest.serialize(ign))
+		meta:set_string("ignore_offevents", core.serialize(ign))

-		minetest.swap_node(pos, {name = new_name, param2 = node.param2})
+		core.swap_node(pos, {name = new_name, param2 = node.param2})

 		if ports.red    ~= vports.red    then set_port(pos, rules.red,    ports.red)    end
 		if ports.blue   ~= vports.blue   then set_port(pos, rules.blue,   ports.blue)   end
@ -195,12 +197,12 @@ end
 -- Overheating --
 -----------------
 local function burn_controller(pos)
-	local node = minetest.get_node(pos)
+	local node = core.get_node(pos)
 	node.name = BASENAME.."_burnt"
-	minetest.swap_node(pos, node)
-	minetest.get_meta(pos):set_string("lc_memory", "");
+	core.swap_node(pos, node)
+	core.get_meta(pos):set_string("lc_memory", "");
 	-- Wait for pending operations
-	minetest.after(0.2, mesecon.receptor_off, pos, mesecon.rules.flat)
+	core.after(0.2, mesecon.receptor_off, pos, mesecon.rules.flat)
 end

 local function overheat(pos, meta)
@ -216,10 +218,10 @@ end

 local function ignore_event(event, meta)
 	if event.type ~= "off" then return false end
-	local ignore_offevents = minetest.deserialize(meta:get_string("ignore_offevents"), true) or {}
+	local ignore_offevents = core.deserialize(meta:get_string("ignore_offevents"), true) or {}
 	if ignore_offevents[event.pin.name] then
 		ignore_offevents[event.pin.name] = nil
-		meta:set_string("ignore_offevents", minetest.serialize(ignore_offevents))
+		meta:set_string("ignore_offevents", core.serialize(ignore_offevents))
 		return true
 	end
 end
@ -229,11 +231,11 @@ end
 -------------------------

 local function safe_print(param)
-	if (minetest.settings:get("pipeworks_lua_tube_print_behavior") or "log") == "log" then
+	if (core.settings:get("pipeworks_lua_tube_print_behavior") or "log") == "log" then
 		local string_meta = getmetatable("")
 		local sandbox = string_meta.__index
 		string_meta.__index = string -- Leave string sandbox temporarily
-		minetest.log("action", string.format("[pipeworks.tubes.lua] print(%s)", dump(param)))
+		core.log("action", string.format("[pipeworks.tubes.lua] print(%s)", dump(param)))
 		string_meta.__index = sandbox -- Restore string sandbox
 	end
 end
@ -307,7 +309,7 @@ if mesecon.setting("luacontroller_lightweight_interrupts", false) then
 		return (function(time, iid)
 			if type(time) ~= "number" then error("Delay must be a number") end
 			if iid ~= nil then send_warning("Interrupt IDs are disabled on this server") end
-			table.insert(itbl, function() minetest.get_node_timer(pos):start(time) end)
+			table.insert(itbl, function() core.get_node_timer(pos):start(time) end)
 		end)
 	end
 else
@ -321,12 +323,12 @@ else
 			if type(time) ~= "number" then error("Delay must be a number") end
 			table.insert(itbl, function ()
 				-- Outside string metatable sandbox, can safely run this now
-				local luac_id = minetest.get_meta(pos):get_int("luac_id")
+				local luac_id = core.get_meta(pos):get_int("luac_id")
 				-- Check if IID is dodgy, so you can't use interrupts to store an infinite amount of data.
 				-- Note that this is safe from alter-after-free because this code gets run after the sandbox has ended.
 				-- This runs outside of the timer and *shouldn't* harm perf. unless dodgy data is being sent in the first place
 				iid = remove_functions(iid)
-				local msg_ser = minetest.serialize(iid)
+				local msg_ser = core.serialize(iid)
 				if #msg_ser <= mesecon.setting("luacontroller_interruptid_maxlen", 256) then
 					mesecon.queue:add_action(pos, "pipeworks:lc_tube_interrupt", {luac_id, iid}, time, iid, 1)
 				else
@ -430,7 +432,7 @@ end

 -- itbl: Flat table of functions to run after sandbox cleanup, used to prevent various security hazards
 local function get_digiline_send(pos, itbl, send_warning)
-	if not minetest.get_modpath("digilines") then return end
+	if not has_digilines then return end
 	local chan_maxlen = mesecon.setting("luacontroller_digiline_channel_maxlen", 256)
 	local maxlen = mesecon.setting("luacontroller_digiline_maxlen", 50000)
 	return function(channel, msg)
@ -456,7 +458,7 @@ local function get_digiline_send(pos, itbl, send_warning)

 		table.insert(itbl, function ()
 			-- Runs outside of string metatable sandbox
-			local luac_id = minetest.get_meta(pos):get_int("luac_id")
+			local luac_id = core.get_meta(pos):get_int("luac_id")
 			mesecon.queue:add_action(pos, "pipeworks:lt_digiline_relay", {channel, luac_id, msg})
 		end)
 		return true
@ -471,7 +473,7 @@ local safe_globals = {

 local function create_environment(pos, mem, event, itbl, send_warning)
 	-- Make sure the tube hasn't broken.
-	local vports = minetest.registered_nodes[minetest.get_node(pos).name].virtual_portstates
+	local vports = core.registered_nodes[core.get_node(pos).name].virtual_portstates
 	if not vports then return {} end

 	-- Gather variables for the environment
@ -593,19 +595,19 @@ end


 local function load_memory(meta)
-	return minetest.deserialize(meta:get_string("lc_memory"), true) or {}
+	return core.deserialize(meta:get_string("lc_memory"), true) or {}
 end


 local function save_memory(pos, meta, mem)
-	local memstring = minetest.serialize(remove_functions(mem))
+	local memstring = core.serialize(remove_functions(mem))
 	local memsize_max = mesecon.setting("luacontroller_memsize", 100000)

 	if (#memstring <= memsize_max) then
 		meta:set_string("lc_memory", memstring)
 		meta:mark_as_private("lc_memory")
 	else
-		minetest.log("info", "lua_tube memory overflow. "..memsize_max.." bytes available, "
+		core.log("info", "lua_tube memory overflow. "..memsize_max.." bytes available, "
 				..#memstring.." required. Controller overheats.")
 		burn_controller(pos)
 	end
@ -614,7 +616,7 @@ end
 -- Returns success (boolean), errmsg (string), retval(any, return value of the user supplied code)
 -- run (as opposed to run_inner) is responsible for setting up meta according to this output
 local function run_inner(pos, code, event)
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	-- Note: These return success, presumably to avoid changing LC ID.
 	if overheat(pos) then return true, "", nil end
 	if ignore_event(event, meta) then return true, "", nil end
@ -668,8 +670,8 @@ end
 local function reset_formspec(meta, code, errmsg)
 	meta:set_string("code", code)
 	meta:mark_as_private("code")
-	code = minetest.formspec_escape(code or "")
-	errmsg = minetest.formspec_escape(tostring(errmsg or ""))
+	code = core.formspec_escape(code or "")
+	errmsg = core.formspec_escape(tostring(errmsg or ""))
 	meta:set_string("formspec", "size[12,10]"
 		.."style_type[label,textarea;font=mono]"
 		.."background[-0.2,-0.25;12.4,10.75;jeija_luac_background.png]"
@ -681,14 +683,14 @@ local function reset_formspec(meta, code, errmsg)
 end

 local function reset_meta(pos, code, errmsg)
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	reset_formspec(meta, code, errmsg)
 	meta:set_int("luac_id", math.random(1, 65535))
 end

 -- Wraps run_inner with LC-reset-on-error
 local function run(pos, event)
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	local code = meta:get_string("code")
 	local ok, errmsg, retval = run_inner(pos, code, event)
 	if not ok then
@ -705,7 +707,7 @@ local function reset(pos)
 end

 local function node_timer(pos)
-	if minetest.registered_nodes[minetest.get_node(pos).name].is_burnt then
+	if core.registered_nodes[core.get_node(pos).name].is_burnt then
 		return false
 	end
 	run(pos, {type="interrupt"})
@ -718,18 +720,18 @@ end

 mesecon.queue:add_function("pipeworks:lc_tube_interrupt", function (pos, luac_id, iid)
 	-- There is no lua_tube anymore / it has been reprogrammed / replaced / burnt
-	if (minetest.get_meta(pos):get_int("luac_id") ~= luac_id) then return end
-	if (minetest.registered_nodes[minetest.get_node(pos).name].is_burnt) then return end
+	if (core.get_meta(pos):get_int("luac_id") ~= luac_id) then return end
+	if (core.registered_nodes[core.get_node(pos).name].is_burnt) then return end
 	run(pos, {type="interrupt", iid = iid})
 end)

 mesecon.queue:add_function("pipeworks:lt_digiline_relay", function (pos, channel, luac_id, msg)
-	if not digiline then return end
+	if not has_digilines then return end
 	-- This check is only really necessary because in case of server crash, old actions can be thrown into the future
-	if (minetest.get_meta(pos):get_int("luac_id") ~= luac_id) then return end
-	if (minetest.registered_nodes[minetest.get_node(pos).name].is_burnt) then return end
+	if (core.get_meta(pos):get_int("luac_id") ~= luac_id) then return end
+	if (core.registered_nodes[core.get_node(pos).name].is_burnt) then return end
 	-- The actual work
-	digiline:receptor_send(pos, digiline_rules_luatube, channel, msg)
+	digilines.receptor_send(pos, digiline_rules_luatube, channel, msg)
 end)

 -----------------------
@ -770,7 +772,7 @@ local digiline = {
 }

 local function get_program(pos)
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	return meta:get_string("code")
 end

@ -785,14 +787,14 @@ local function on_receive_fields(pos, form_name, fields, sender)
 		return
 	end
 	local name = sender:get_player_name()
-	if minetest.is_protected(pos, name) and not minetest.check_player_privs(name, {protection_bypass=true}) then
-		minetest.record_protection_violation(pos, name)
+	if core.is_protected(pos, name) and not core.check_player_privs(name, {protection_bypass=true}) then
+		core.record_protection_violation(pos, name)
 		return
 	end
 	local ok, err = set_program(pos, fields.code)
 	if not ok then
 		-- it's not an error from the server perspective
-		minetest.log("action", "Lua controller programming error: " .. tostring(err))
+		core.log("action", "Lua controller programming error: " .. tostring(err))
 	end
 end

@ -826,7 +828,7 @@ local tiles_on_off = {
 	R270 = "^(pipeworks_lua_tube_port_%s.png^[transformR270)"
 }

-local texture_alpha_mode = minetest.features.use_texture_alpha_string_modes
+local texture_alpha_mode = core.features.use_texture_alpha_string_modes
 	and "clip" or true

 for red    = 0, 1 do -- 0 = off  1 = on
@ -909,7 +911,7 @@ for white  = 0, 1 do
 		},
 	}

-	minetest.register_node(node_name, {
+	core.register_node(node_name, {
 		description = "Lua controlled Tube",
 		drawtype = "nodebox",
 		tiles = tiles,
@ -928,7 +930,7 @@ for white  = 0, 1 do
 			key = "node_sound_wood_defaults",
 		},
 		mesecons = mesecons,
-		digiline = digiline,
+		digilines = digiline,
 		-- Virtual portstates are the ports that
 		-- the node shows as powered up (light up).
 		virtual_portstates = {
@ -997,10 +999,10 @@ for white  = 0, 1 do
 		after_place_node = pipeworks.after_place,
 		on_blast = function(pos, intensity)
 			if not intensity or intensity > 1 + 3^0.5 then
-				minetest.remove_node(pos)
+				core.remove_node(pos)
 				return
 			end
-			minetest.swap_node(pos, {name = "pipeworks:broken_tube_1"})
+			core.swap_node(pos, {name = "pipeworks:broken_tube_1"})
 			pipeworks.scan_for_tube_objects(pos)
 		end,
 	})
@ -1043,7 +1045,7 @@ tiles_burnt[2] = tiles_burnt[2].."^(pipeworks_lua_tube_port_burnt.png^[transform
 tiles_burnt[3] = tiles_burnt[3].."^(pipeworks_lua_tube_port_burnt.png^[transformR270)"
 tiles_burnt[4] = tiles_burnt[4].."^(pipeworks_lua_tube_port_burnt.png^[transformR90)"

-minetest.register_node(BASENAME .. "_burnt", {
+core.register_node(BASENAME .. "_burnt", {
 	drawtype = "nodebox",
 	tiles = tiles_burnt,
 	use_texture_alpha = texture_alpha_mode,
@ -1080,10 +1082,10 @@ minetest.register_node(BASENAME .. "_burnt", {
 	after_dig_node = pipeworks.after_dig,
 	on_blast = function(pos, intensity)
 		if not intensity or intensity > 1 + 3^0.5 then
-			minetest.remove_node(pos)
+			core.remove_node(pos)
 			return
 		end
-		minetest.swap_node(pos, {name = "pipeworks:broken_tube_1"})
+		core.swap_node(pos, {name = "pipeworks:broken_tube_1"})
 		pipeworks.scan_for_tube_objects(pos)
 	end,
 })
@ -1092,7 +1094,7 @@ minetest.register_node(BASENAME .. "_burnt", {
 -- Craft Registration --
 ------------------------

-minetest.register_craft({
+core.register_craft({
 	type = "shapeless",
 	output = BASENAME.."000000",
 	recipe = {"pipeworks:mese_tube_000000", "mesecons_luacontroller:luacontroller0000"},
--- a/tubes/pane_embedded_tube.lua
+++ b/tubes/pane_embedded_tube.lua
@ -1,4 +1,4 @@
-local S = minetest.get_translator("pipeworks")
+local S = core.get_translator("pipeworks")

 local straight = function(pos, node, velocity, stack) return {velocity} end

@ -10,10 +10,10 @@ local pane_box = {
 	}
 }

-local texture_alpha_mode = minetest.features.use_texture_alpha_string_modes
+local texture_alpha_mode = core.features.use_texture_alpha_string_modes
 	and "clip" or true

-minetest.register_node("pipeworks:steel_pane_embedded_tube", {
+core.register_node("pipeworks:steel_pane_embedded_tube", {
 	drawtype = "nodebox",
 	description = S("Airtight panel embedded tube"),
 	tiles = {
@ -30,7 +30,7 @@ minetest.register_node("pipeworks:steel_pane_embedded_tube", {
 	collision_box = pane_box,
 	paramtype = "light",
 	paramtype2 = "facedir",
-	groups = {cracky=1, oddly_breakable_by_hand = 1, tubedevice = 1, dig_glass = 2, pickaxey=1, handy=1},
+	groups = {cracky=1, oddly_breakable_by_hand = 1, tubedevice = 1, tube = 1, dig_glass = 2, pickaxey=1, handy=1},
 	is_ground_content = false,
 	_mcl_hardness=0.8,
 	legacy_facedir_simple = true,
@ -42,7 +42,7 @@ minetest.register_node("pipeworks:steel_pane_embedded_tube", {
 		priority = 50,
 		can_go = straight,
 		can_insert = function(pos, node, stack, direction)
-			local dir = minetest.facedir_to_dir(node.param2)
+			local dir = core.facedir_to_dir(node.param2)
 			return vector.equals(dir, direction) or vector.equals(vector.multiply(dir, -1), direction)
 		end,
 	},
--- a/tubes/registration.lua
+++ b/tubes/registration.lua
@ -1,10 +1,10 @@
 -- This file supplies the various kinds of pneumatic tubes
-local S = minetest.get_translator("pipeworks")
+local S = core.get_translator("pipeworks")

 local tubenodes = {}
 pipeworks.tubenodes = tubenodes

-minetest.register_alias("pipeworks:tube", "pipeworks:tube_000000")
+core.register_alias("pipeworks:tube", "pipeworks:tube_000000")

 -- now, a function to define the tubes

@ -27,8 +27,8 @@ local texture_mt = {
 }

 -- This will remove any semi-transparent pixels
-- because that is still buggy in Minetest, force this as default
-local texture_alpha_mode = minetest.features.use_texture_alpha_string_modes
+-- because that is still buggy in Luanti, force this as default
+local texture_alpha_mode = core.features.use_texture_alpha_string_modes
 	and "clip" or true

 local register_one_tube = function(name, tname, dropname, desc, plain, noctrs, ends, short, inv, special, connects, style)
@ -122,25 +122,25 @@ local register_one_tube = function(name, tname, dropname, desc, plain, noctrs, e
 		},
 		on_punch = function(pos, node, player, pointed)
 			local playername = player:get_player_name()
-			if minetest.is_protected(pos, playername) and not minetest.check_player_privs(playername, {protection_bypass=true}) then
-				return minetest.node_punch(pos, node, player, pointed)
+			if core.is_protected(pos, playername) and not core.check_player_privs(playername, {protection_bypass=true}) then
+				return core.node_punch(pos, node, player, pointed)
 			end
 			if pipeworks.check_and_wear_hammer(player) then
 				local wieldname = player:get_wielded_item():get_name()
-				pipeworks.logger(string.format("%s struck a tube at %s with %s to break it.", playername, minetest.pos_to_string(pos), wieldname))
+				pipeworks.logger(string.format("%s struck a tube at %s with %s to break it.", playername, core.pos_to_string(pos), wieldname))
 				pipeworks.break_tube(pos)
 			end
-			return minetest.node_punch(pos, node, player, pointed)
+			return core.node_punch(pos, node, player, pointed)
 		end,
 		after_place_node = pipeworks.after_place,
 		after_dig_node = pipeworks.after_dig,
 		on_rotate = false,
 		on_blast = function(pos, intensity)
 			if not intensity or intensity > 1 + 3^0.5 then
-				minetest.remove_node(pos)
+				core.remove_node(pos)
 				return {string.format("%s_%s", name, dropname)}
 			end
-			minetest.swap_node(pos, {name = "pipeworks:broken_tube_1"})
+			core.swap_node(pos, {name = "pipeworks:broken_tube_1"})
 			pipeworks.scan_for_tube_objects(pos)
 		end,
 		check_for_pole = pipeworks.check_for_vert_tube,
@ -169,7 +169,7 @@ local register_one_tube = function(name, tname, dropname, desc, plain, noctrs, e
 		end
 	end

-	minetest.register_node(rname, nodedef)
+	core.register_node(rname, nodedef)
 end

 local register_all_tubes = function(name, desc, plain, noctrs, ends, short, inv, special, old_registration)
@ -216,7 +216,7 @@ local register_all_tubes = function(name, desc, plain, noctrs, ends, short, inv,
 		end
 		if REGISTER_COMPATIBILITY then
 			local cname = name.."_compatibility"
-			minetest.register_node(cname, {
+			core.register_node(cname, {
 				drawtype = "airlike",
 				style = "6d",
 				basename = name,
@ -240,7 +240,7 @@ local register_all_tubes = function(name, desc, plain, noctrs, ends, short, inv,
 			for zm = 0, 1 do
 			for zp = 0, 1 do
 				local tname = xm..xp..ym..yp..zm..zp
-				minetest.register_alias(name.."_"..tname, cname)
+				core.register_alias(name.."_"..tname, cname)
 			end
 			end
 			end
@ -266,14 +266,14 @@ end


 if REGISTER_COMPATIBILITY then
-	minetest.register_abm({
+	core.register_abm({
 		nodenames = {"group:tube_to_update"},
 		interval = 1,
 		chance = 1,
 		action = function(pos, node, active_object_count, active_object_count_wider)
 			local minp = vector.subtract(pos, 1)
 			local maxp = vector.add(pos, 1)
-			if table.getn(minetest.find_nodes_in_area(minp, maxp, "ignore")) == 0 then
+			if table.getn(core.find_nodes_in_area(minp, maxp, "ignore")) == 0 then
 				pipeworks.scan_for_tube_objects(pos)
 			end
 		end
--- a/tubes/routing.lua
+++ b/tubes/routing.lua
@ -1,7 +1,7 @@
-local S = minetest.get_translator("pipeworks")
+local S = core.get_translator("pipeworks")
 -- the default tube and default textures
 pipeworks.register_tube("pipeworks:tube", S("Pneumatic tube segment"))
-minetest.register_craft( {
+core.register_craft( {
 	output = "pipeworks:tube_1 6",
 	recipe = {
 	        { "basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet" },
@ -53,7 +53,7 @@ pipeworks.register_tube("pipeworks:broken_tube", {
 		is_ground_content = false,
 		tube = {
 			insert_object = function(pos, node, stack, direction)
-				minetest.item_drop(stack, nil, pos)
+				core.item_drop(stack, nil, pos)
 				return ItemStack("")
 			end,
 			can_insert = function(pos,node,stack,direction)
@ -65,9 +65,9 @@ pipeworks.register_tube("pipeworks:broken_tube", {
 			local itemstack = puncher:get_wielded_item()
 			local wieldname = itemstack:get_name()
 			local playername = puncher:get_player_name()
-			local log_msg = playername.." struck a broken tube at "..minetest.pos_to_string(pos).."\n            "
-			local meta = minetest.get_meta(pos)
-			local was_node = minetest.deserialize(meta:get_string("the_tube_was"))
+			local log_msg = playername.." struck a broken tube at "..core.pos_to_string(pos).."\n            "
+			local meta = core.get_meta(pos)
+			local was_node = core.deserialize(meta:get_string("the_tube_was"))
 			if not was_node then
 				pipeworks.logger(log_msg.."but it can't be repaired.")
 				return
@ -75,8 +75,8 @@ pipeworks.register_tube("pipeworks:broken_tube", {
 			if not pipeworks.check_and_wear_hammer(puncher) then
 				if wieldname == "" then
 					pipeworks.logger(log_msg.."by hand. It's not very effective.")
-					if minetest.settings:get_bool("enable_damage") then
-						minetest.chat_send_player(playername,S("Broken tubes may be a bit sharp. Perhaps try with a hammer?"))
+					if core.settings:get_bool("enable_damage") then
+						core.chat_send_player(playername,S("Broken tubes may be a bit sharp. Perhaps try with a hammer?"))
 						puncher:set_hp(puncher:get_hp()-1)
 					end
 				else
@ -85,19 +85,19 @@ pipeworks.register_tube("pipeworks:broken_tube", {
 				return
 			end
 			log_msg = log_msg.."with "..wieldname.." to repair it"
-			local nodedef = minetest.registered_nodes[was_node.name]
+			local nodedef = core.registered_nodes[was_node.name]
 			if nodedef then
 				pipeworks.logger(log_msg..".")
 				if nodedef.tube and nodedef.tube.on_repair then
 					nodedef.tube.on_repair(pos, was_node)
 				else
-					minetest.swap_node(pos, { name = was_node.name, param2 = was_node.param2 })
+					core.swap_node(pos, { name = was_node.name, param2 = was_node.param2 })
 					pipeworks.scan_for_tube_objects(pos)
 				end
 				meta:set_string("the_tube_was", "")
 			else
 				pipeworks.logger(log_msg.." but original node "..was_node.name.." is not registered anymore.")
-				minetest.chat_send_player(playername, S("This tube cannot be repaired."))
+				core.chat_send_player(playername, S("This tube cannot be repaired."))
 			end
 		end,
 		allow_metadata_inventory_put = function()
@ -161,7 +161,7 @@ if pipeworks.enable_crossing_tube then
 	})
 end

-local texture_alpha_mode = minetest.features.use_texture_alpha_string_modes
+local texture_alpha_mode = core.features.use_texture_alpha_string_modes
 	and "clip" or true

 if pipeworks.enable_one_way_tube then
@ -170,7 +170,7 @@ if pipeworks.enable_one_way_tube then
 	for i, tile in ipairs(tiles) do
 		tiles[i] = pipeworks.make_tube_tile(tile)
 	end
-	minetest.register_node("pipeworks:one_way_tube", {
+	core.register_node("pipeworks:one_way_tube", {
 		description = S("One way tube"),
 		tiles = tiles,
 		use_texture_alpha = texture_alpha_mode,
@ -179,7 +179,7 @@ if pipeworks.enable_one_way_tube then
 		paramtype = "light",
 		node_box = {type = "fixed",
 			fixed = {{-1/2, -9/64, -9/64, 1/2, 9/64, 9/64}}},
-		groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 2, tubedevice = 1, axey=1, handy=1, pickaxey=1},
+		groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 2, tubedevice = 1, tube = 1, axey=1, handy=1, pickaxey=1},
 		is_ground_content = false,
 		_mcl_hardness=0.8,
 		_sound_def = {
--- a/tubes/signal.lua
+++ b/tubes/signal.lua
@ -1,51 +1,51 @@
-local S = minetest.get_translator("pipeworks")
+local S = core.get_translator("pipeworks")

-- the minetest.after() calls below can sometimes trigger after a tube
+-- the core.after() calls below can sometimes trigger after a tube
 -- breaks, at which point item_exit() is no longer valid, so we have to make
 -- sure that there even IS a callback to run, first.

 local function after_break(pos)
-	local name = minetest.get_node(pos).name
-	if minetest.registered_nodes[name].item_exit then
-		minetest.registered_nodes[name].item_exit(pos)
+	local name = core.get_node(pos).name
+	if core.registered_nodes[name].item_exit then
+		core.registered_nodes[name].item_exit(pos)
 	end
 end

-if minetest.get_modpath("mesecons") and pipeworks.enable_detector_tube then
-	local detector_tube_step = 5 * (tonumber(minetest.settings:get("dedicated_server_step")) or 0.09)
+if core.get_modpath("mesecons") and pipeworks.enable_detector_tube then
+	local detector_tube_step = 5 * (tonumber(core.settings:get("dedicated_server_step")) or 0.09)
 	pipeworks.register_tube("pipeworks:detector_tube_on", {
 			description = S("Detecting Pneumatic Tube Segment on"),
 			inventory_image = "pipeworks_detector_tube_inv.png",
 			plain = { "pipeworks_detector_tube_plain.png" },
 			node_def = {
 				tube = {can_go = function(pos, node, velocity, stack)
-						 local meta = minetest.get_meta(pos)
+						 local meta = core.get_meta(pos)
 						 local nitems = meta:get_int("nitems")+1
 						 meta:set_int("nitems", nitems)
 						 local saved_pos = vector.new(pos)
-						 minetest.after(detector_tube_step, after_break, saved_pos)
+						 core.after(detector_tube_step, after_break, saved_pos)
 						 return pipeworks.notvel(pipeworks.meseadjlist,velocity)
 					end},
 				groups = {mesecon = 2, not_in_creative_inventory = 1},
 				drop = "pipeworks:detector_tube_off_1",
 				mesecons = {receptor = {state = "on", rules = pipeworks.mesecons_rules}},
 				item_exit = function(pos)
-					local meta = minetest.get_meta(pos)
+					local meta = core.get_meta(pos)
 					local nitems = meta:get_int("nitems")-1
-					local node = minetest.get_node(pos)
+					local node = core.get_node(pos)
 					local name = node.name
 					local fdir = node.param2
 					if nitems == 0 then
-						 minetest.set_node(pos, {name = string.gsub(name, "on", "off"), param2 = fdir})
+						 core.set_node(pos, {name = string.gsub(name, "on", "off"), param2 = fdir})
 						 mesecon.receptor_off(pos, pipeworks.mesecons_rules)
 					else
 						 meta:set_int("nitems", nitems)
 					end
 				end,
 				on_construct = function(pos)
-					 local meta = minetest.get_meta(pos)
+					 local meta = core.get_meta(pos)
 					 meta:set_int("nitems", 1)
-					 minetest.after(detector_tube_step, after_break, pos)
+					 core.after(detector_tube_step, after_break, pos)
 				end,
 			},
 	})
@ -55,10 +55,10 @@ if minetest.get_modpath("mesecons") and pipeworks.enable_detector_tube then
 			plain = { "pipeworks_detector_tube_plain.png" },
 			node_def = {
 				tube = {can_go = function(pos, node, velocity, stack)
-						local node = minetest.get_node(pos)
+						local node = core.get_node(pos)
 						local name = node.name
 						local fdir = node.param2
-						minetest.set_node(pos,{name = string.gsub(name, "off", "on"), param2 = fdir})
+						core.set_node(pos,{name = string.gsub(name, "off", "on"), param2 = fdir})
 						mesecon.receptor_on(pos, pipeworks.mesecons_rules)
 						return pipeworks.notvel(pipeworks.meseadjlist, velocity)
 					end},
@ -67,7 +67,7 @@ if minetest.get_modpath("mesecons") and pipeworks.enable_detector_tube then
 			},
 	})

-	minetest.register_craft( {
+	core.register_craft( {
 		output = "pipeworks:detector_tube_off_1 2",
 		recipe = {
 			{ "basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet" },
@ -77,7 +77,7 @@ if minetest.get_modpath("mesecons") and pipeworks.enable_detector_tube then
 	})
 end

-local digiline_enabled = minetest.get_modpath("digilines") ~= nil
+local digiline_enabled = core.get_modpath("digilines") ~= nil
 if digiline_enabled and pipeworks.enable_digiline_detector_tube then
 	pipeworks.register_tube("pipeworks:digiline_detector_tube", {
 			description = S("Digiline Detecting Pneumatic Tube Segment"),
@ -85,16 +85,16 @@ if digiline_enabled and pipeworks.enable_digiline_detector_tube then
 			plain = { "pipeworks_digiline_detector_tube_plain.png" },
 			node_def = {
 				tube = {can_go = function(pos, node, velocity, stack)
-						local meta = minetest.get_meta(pos)
+						local meta = core.get_meta(pos)

 						local setchan = meta:get_string("channel")

-						digiline:receptor_send(pos, digiline.rules.default, setchan, stack:to_table())
+						digilines.receptor_send(pos, digilines.rules.default, setchan, stack:to_table())

 						return pipeworks.notvel(pipeworks.meseadjlist, velocity)
 					end},
 				on_construct = function(pos)
-					local meta = minetest.get_meta(pos)
+					local meta = core.get_meta(pos)
 					meta:set_string("formspec",
 						"size[8.5,2.2]"..
 						"image[0.2,0;1,1;pipeworks_digiline_detector_tube_inv.png]"..
@ -111,11 +111,11 @@ if digiline_enabled and pipeworks.enable_digiline_detector_tube then
 						return
 					end
 					if fields.channel then
-						minetest.get_meta(pos):set_string("channel", fields.channel)
+						core.get_meta(pos):set_string("channel", fields.channel)
 					end
 				end,
 				groups = {},
-				digiline = {
+				digilines = {
 					receptor = {},
 					effector = {
 						action = function(pos,node,channel,msg) end
@ -127,7 +127,7 @@ if digiline_enabled and pipeworks.enable_digiline_detector_tube then
 			},
 	})

-	minetest.register_craft( {
+	core.register_craft( {
 		output = "pipeworks:digiline_detector_tube_1 2",
 		recipe = {
 			{ "basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet" },
@ -137,7 +137,7 @@ if digiline_enabled and pipeworks.enable_digiline_detector_tube then
 	})
 end

-if minetest.get_modpath("mesecons") and pipeworks.enable_conductor_tube then
+if core.get_modpath("mesecons") and pipeworks.enable_conductor_tube then
 	pipeworks.register_tube("pipeworks:conductor_tube_off", {
 			description = S("Conducting Pneumatic Tube Segment"),
 			inventory_image = "pipeworks_conductor_tube_inv.png",
@ -168,7 +168,7 @@ if minetest.get_modpath("mesecons") and pipeworks.enable_conductor_tube then
 			},
 	})

-	minetest.register_craft({
+	core.register_craft({
 		type = "shapeless",
 		output = "pipeworks:conductor_tube_off_1",
 		recipe = {"pipeworks:tube_1", "mesecons:mesecon"}
@ -183,9 +183,9 @@ if digiline_enabled and pipeworks.enable_digiline_conductor_tube then
 		plain = {"pipeworks_tube_plain.png^pipeworks_digiline_conductor_tube_plain.png"},
 		noctr = {"pipeworks_tube_noctr.png^pipeworks_digiline_conductor_tube_noctr.png"},
 		ends = {"pipeworks_tube_end.png^pipeworks_digiline_conductor_tube_end.png"},
-		node_def = {digiline = {wire = {rules = pipeworks.digilines_rules}}},
+		node_def = {digilines = {wire = {rules = pipeworks.digilines_rules}}},
 	})
-	minetest.register_craft({
+	core.register_craft({
 		type = "shapeless",
 		output = "pipeworks:digiline_conductor_tube_1",
 		recipe = {"pipeworks:tube_1", "digilines:wire_std_00000000"}
@ -202,7 +202,7 @@ if digiline_enabled and pipeworks.enable_digiline_conductor_tube and
 		noctr = {"pipeworks_conductor_tube_noctr.png^pipeworks_digiline_conductor_tube_noctr.png"},
 		ends = {"pipeworks_conductor_tube_end.png^pipeworks_digiline_conductor_tube_end.png"},
 		node_def = {
-			digiline = {wire = {rules = pipeworks.digilines_rules}},
+			digilines = {wire = {rules = pipeworks.digilines_rules}},
 			groups = {mesecon = 2},
 			mesecons = {conductor = {
 				state = "off",
@ -219,7 +219,7 @@ if digiline_enabled and pipeworks.enable_digiline_conductor_tube and
 		noctr = {"pipeworks_conductor_tube_on_noctr.png^pipeworks_digiline_conductor_tube_noctr.png"},
 		ends = {"pipeworks_conductor_tube_on_end.png^pipeworks_digiline_conductor_tube_end.png"},
 		node_def = {
-			digiline = {wire = {rules = pipeworks.digilines_rules}},
+			digilines = {wire = {rules = pipeworks.digilines_rules}},
 			groups = {mesecon = 2, not_in_creative_inventory = 1},
 			drop = "pipeworks:mesecon_and_digiline_conductor_tube_off_1",
 			mesecons = {conductor = {
@ -229,17 +229,17 @@ if digiline_enabled and pipeworks.enable_digiline_conductor_tube and
 			},
 		},
 	})
-	minetest.register_craft({
+	core.register_craft({
 		type = "shapeless",
 		output = "pipeworks:mesecon_and_digiline_conductor_tube_off_1",
 		recipe = {"pipeworks:tube_1", "mesecons:mesecon", "digilines:wire_std_00000000"}
 	})
-	minetest.register_craft({
+	core.register_craft({
 		type = "shapeless",
 		output = "pipeworks:mesecon_and_digiline_conductor_tube_off_1",
 		recipe = {"pipeworks:conductor_tube_off_1", "digilines:wire_std_00000000"}
 	})
-	minetest.register_craft({
+	core.register_craft({
 		type = "shapeless",
 		output = "pipeworks:mesecon_and_digiline_conductor_tube_off_1",
 		recipe = {"pipeworks:digiline_conductor_tube_1", "mesecons:mesecon"}
--- a/tubes/sorting.lua
+++ b/tubes/sorting.lua
@ -1,15 +1,15 @@
-local S = minetest.get_translator("pipeworks")
+local S = core.get_translator("pipeworks")
 local fs_helpers = pipeworks.fs_helpers

 if pipeworks.enable_mese_tube then
 	local function update_formspec(pos)
-		local meta = minetest.get_meta(pos)
+		local meta = core.get_meta(pos)
 		local old_formspec = meta:get_string("formspec")
 		if string.find(old_formspec, "button1") then -- Old version
 			local inv = meta:get_inventory()
 			for i = 1, 6 do
 				for _, stack in ipairs(inv:get_list("line"..i)) do
-					minetest.add_item(pos, stack)
+					core.add_item(pos, stack)
 				end
 			end
 		end
@ -24,7 +24,7 @@ if pipeworks.enable_mese_tube then
 			)
 		end
 		local list_backgrounds = ""
-		if minetest.get_modpath("i3") or minetest.get_modpath("mcl_formspec") then
+		if core.get_modpath("i3") or core.get_modpath("mcl_formspec") then
 			list_backgrounds = "style_type[box;colors=#666]"
 			for i=0, 5 do
 				for j=0, 5 do
@ -83,13 +83,13 @@ if pipeworks.enable_mese_tube then
 				tube = {can_go = function(pos, node, velocity, stack)
 						 local tbl, tbln = {}, 0
 						 local found, foundn = {}, 0
-						 local meta = minetest.get_meta(pos)
+						 local meta = core.get_meta(pos)
 						 local inv = meta:get_inventory()
 						 local name = stack:get_name()
 						 for i, vect in ipairs(pipeworks.meseadjlist) do
 							local npos = vector.add(pos, vect)
-							local node = minetest.get_node(npos)
-							local reg_node = minetest.registered_nodes[node.name]
+							local node = core.get_node(npos)
+							local reg_node = core.registered_nodes[node.name]
 							if meta:get_int("l"..i.."s") == 1 and reg_node then
 								local tube_def = reg_node.tube
 								if not tube_def or not tube_def.can_insert or
@ -115,7 +115,7 @@ if pipeworks.enable_mese_tube then
 						 return (foundn > 0) and found or tbl
 					end},
 				on_construct = function(pos)
-					local meta = minetest.get_meta(pos)
+					local meta = core.get_meta(pos)
 					local inv = meta:get_inventory()
 					for i = 1, 6 do
 						meta:set_int("l"..tostring(i).."s", 1)
@ -126,7 +126,7 @@ if pipeworks.enable_mese_tube then
 				end,
 				after_place_node = function(pos, placer, itemstack, pointed_thing)
 					if placer and placer:is_player() and placer:get_player_control().aux1 then
-						local meta = minetest.get_meta(pos)
+						local meta = core.get_meta(pos)
 						for i = 1, 6 do
 							meta:set_int("l"..tostring(i).."s", 0)
 						end
@ -150,7 +150,7 @@ if pipeworks.enable_mese_tube then
 				allow_metadata_inventory_put = function(pos, listname, index, stack, player)
 					if not pipeworks.may_configure(pos, player) then return 0 end
 					update_formspec(pos) -- For old tubes
-					local inv = minetest.get_meta(pos):get_inventory()
+					local inv = core.get_meta(pos):get_inventory()
 					local stack_copy = ItemStack(stack)
 					stack_copy:set_count(1)
 					inv:set_stack(listname, index, stack_copy)
@ -159,14 +159,14 @@ if pipeworks.enable_mese_tube then
 				allow_metadata_inventory_take = function(pos, listname, index, stack, player)
 					if not pipeworks.may_configure(pos, player) then return 0 end
 					update_formspec(pos) -- For old tubes
-					local inv = minetest.get_meta(pos):get_inventory()
+					local inv = core.get_meta(pos):get_inventory()
 					inv:set_stack(listname, index, ItemStack(""))
 					return 0
 				end,
 				allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
 					if not pipeworks.may_configure(pos, player) then return 0 end
 					update_formspec(pos) -- For old tubes
-					local inv = minetest.get_meta(pos):get_inventory()
+					local inv = core.get_meta(pos):get_inventory()

 					if from_list:match("line%d") and to_list:match("line%d") then
 						return count
--- a/tubes/tags.lua
+++ b/tubes/tags.lua
@ -1,15 +1,15 @@
-local S = minetest.get_translator("pipeworks")
+local S = core.get_translator("pipeworks")
 local fs_helpers = pipeworks.fs_helpers

 if not pipeworks.enable_item_tags or not pipeworks.enable_tag_tube then return end

-local help_text = minetest.formspec_escape(
+local help_text = core.formspec_escape(
 	S("Separate multiple tags using commas.").."\n"..
 	S("Use \"<none>\" to match items without tags.")
 )

 local update_formspec = function(pos)
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	local buttons_formspec = ""
 	for i = 0, 5 do
 		buttons_formspec = buttons_formspec .. fs_helpers.cycling_button(meta,
@ -59,7 +59,7 @@ pipeworks.register_tube("pipeworks:tag_tube", {
 			can_go = function(pos, node, velocity, stack, tags)
 				local tbl, tbln = {}, 0
 				local found, foundn = {}, 0
-				local meta = minetest.get_meta(pos)
+				local meta = core.get_meta(pos)
 				local tag_hash = {}
 				if #tags > 0 then
 					for _,tag in ipairs(tags) do
@ -70,8 +70,8 @@ pipeworks.register_tube("pipeworks:tag_tube", {
 				end
 				for i, vect in ipairs(pipeworks.meseadjlist) do
 					local npos = vector.add(pos, vect)
-					local node = minetest.get_node(npos)
-					local reg_node = minetest.registered_nodes[node.name]
+					local node = core.get_node(npos)
+					local reg_node = core.registered_nodes[node.name]
 					if meta:get_int("l" .. i .. "s") == 1 and reg_node then
 						local tube_def = reg_node.tube
 						if not tube_def or not tube_def.can_insert or
@ -97,7 +97,7 @@ pipeworks.register_tube("pipeworks:tag_tube", {
 			end
 		},
 		on_construct = function(pos)
-			local meta = minetest.get_meta(pos)
+			local meta = core.get_meta(pos)
 			for i = 1, 6 do
 				meta:set_int("l" .. tostring(i) .. "s", 1)
 			end
@ -106,7 +106,7 @@ pipeworks.register_tube("pipeworks:tag_tube", {
 		end,
 		after_place_node = function(pos, placer, itemstack, pointed_thing)
 			if placer and placer:is_player() and placer:get_player_control().aux1 then
-				local meta = minetest.get_meta(pos)
+				local meta = core.get_meta(pos)
 				for i = 1, 6 do
 					meta:set_int("l" .. tostring(i) .. "s", 0)
 				end
@ -120,7 +120,7 @@ pipeworks.register_tube("pipeworks:tag_tube", {
 				return
 			end

-			local meta = minetest.get_meta(pos)
+			local meta = core.get_meta(pos)
 			for i = 1, 6 do
 				local field_name = "tags" .. tostring(i)
 				if fields[field_name] then
--- a/tubes/teleport.lua
+++ b/tubes/teleport.lua
@ -1,11 +1,11 @@

-local S = minetest.get_translator("pipeworks")
-local filename = minetest.get_worldpath().."/teleport_tubes"  -- Only used for backward-compat
-local storage = minetest.get_mod_storage()
+local S = core.get_translator("pipeworks")
+local filename = core.get_worldpath().."/teleport_tubes"  -- Only used for backward-compat
+local storage = core.get_mod_storage()

-local enable_logging = minetest.settings:get_bool("pipeworks_log_teleport_tubes", false)
+local enable_logging = core.settings:get_bool("pipeworks_log_teleport_tubes", false)

-local has_digilines = minetest.get_modpath("digilines")
+local has_digilines = core.get_modpath("digilines")

 -- V1: Serialized text file indexed by vector position.
 -- V2: Serialized text file indexed by hash position.
@ -17,7 +17,7 @@ local receiver_cache = {}

 local function hash_pos(pos)
 	vector.round(pos)
-	return string.format("%.0f", minetest.hash_node_position(pos))
+	return string.format("%.0f", core.hash_node_position(pos))
 end

 local function serialize_tube(tube)
@ -29,7 +29,7 @@ local function deserialize_tube(hash, str)
 	local cr = tonumber(str:sub(1, 1))
 	local channel = str:sub(3)
 	if sep and cr and channel then
-		local pos = minetest.get_position_from_hash(tonumber(hash))
+		local pos = core.get_position_from_hash(tonumber(hash))
 		return {x = pos.x, y = pos.y, z = pos.z, cr = cr, channel = channel}
 	end
 end
@ -62,7 +62,7 @@ local function migrate_tube_db()
 	if storage:get_int("version") == 3 then
 		for key, val in pairs(storage:to_table().fields) do
 			if tonumber(key) then
-				tube_db[key] = minetest.deserialize(val)
+				tube_db[key] = core.deserialize(val)
 			elseif key ~= "version" then
 				error("Unknown field in teleport tube database: "..key)
 			end
@ -75,7 +75,7 @@ local function migrate_tube_db()
 		local content = file:read("*all")
 		io.close(file)
 		if content and content ~= "" then
-			tube_db = minetest.deserialize(content)
+			tube_db = core.deserialize(content)
 		end
 	end
 	local version = tube_db.version or 0
@ -134,8 +134,8 @@ local function get_receivers(pos, channel)
 	local receivers = {}
 	for key, val in pairs(tube_db) do
 		if val.cr == 1 and val.channel == channel and not vector.equals(val, pos) then
-			minetest.load_area(val)
-			local node_name = minetest.get_node(val).name
+			core.load_area(val)
+			local node_name = core.get_node(val).name
 			if node_name:find("pipeworks:teleport_tube") then
 				table.insert(receivers, val)
 			else
@ -148,7 +148,7 @@ local function get_receivers(pos, channel)
 	return receivers
 end

-local help_text = minetest.formspec_escape(
+local help_text = core.formspec_escape(
 	S("Channels are public by default").."\n"..
 	S("Use <player>:<channel> for fully private channels").."\n"..
 	S("Use <player>;<channel> for private receivers")
@ -187,7 +187,7 @@ local function update_meta(meta)
 end

 local function update_tube(pos, channel, cr, player_name)
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	if meta:get_string("channel") == channel and meta:get_int("can_receive") == cr then
 		return
 	end
@ -200,11 +200,11 @@ local function update_tube(pos, channel, cr, player_name)
 	local name, mode = channel:match("^([^:;]+)([:;])")
 	if name and mode and name ~= player_name then
 		if mode == ":" then
-			minetest.chat_send_player(player_name,
+			core.chat_send_player(player_name,
 				S("Sorry, channel '@1' is reserved for exclusive use by @2", channel, name))
 			return
 		elseif mode == ";" and cr ~= 0 then
-			minetest.chat_send_player(player_name,
+			core.chat_send_player(player_name,
 				S("Sorry, receiving from channel '@1' is reserved for @2", channel, name))
 			return
 		end
@ -218,7 +218,7 @@ local function receive_fields(pos, _, fields, sender)
 	if not fields.channel or not pipeworks.may_configure(pos, sender) then
 		return
 	end
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	local channel = fields.channel:trim()
 	local cr = meta:get_int("can_receive")
 	if fields.cr_on then
@ -237,7 +237,7 @@ local function can_go(pos, node, velocity, stack)
 	velocity.x = 0
 	velocity.y = 0
 	velocity.z = 0
-	local src_meta = minetest.get_meta(pos)
+	local src_meta = core.get_meta(pos)
 	local channel = src_meta:get_string("channel")
 	if channel == "" then
 		return {}
@ -249,10 +249,10 @@ local function can_go(pos, node, velocity, stack)
 	local target = receivers[math.random(1, #receivers)]
 	if enable_logging then
 		local src_owner = src_meta:get_string("owner")
-		local dst_meta = minetest.get_meta(pos)
+		local dst_meta = core.get_meta(pos)
 		local dst_owner = dst_meta:get_string("owner")
-		minetest.log("action", string.format("[pipeworks] %s teleported from %s (owner=%s) to %s (owner=%s) via %s",
-			stack:to_string(), minetest.pos_to_string(pos), src_owner, minetest.pos_to_string(target), dst_owner, channel
+		core.log("action", string.format("[pipeworks] %s teleported from %s (owner=%s) to %s (owner=%s) via %s",
+			stack:to_string(), core.pos_to_string(pos), src_owner, core.pos_to_string(target), dst_owner, channel
 		))
 	end
 	pos.x = target.x
@ -262,9 +262,9 @@ local function can_go(pos, node, velocity, stack)
 end

 local function repair_tube(pos, node)
-	minetest.swap_node(pos, {name = node.name, param2 = node.param2})
+	core.swap_node(pos, {name = node.name, param2 = node.param2})
 	pipeworks.scan_for_tube_objects(pos)
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	local channel = meta:get_string("channel")
 	if channel ~= "" then
 		set_tube(pos, channel, meta:get_int("can_receive"))
@ -273,7 +273,7 @@ local function repair_tube(pos, node)
 end

 local function digiline_action(pos, _, digiline_channel, msg)
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	if digiline_channel ~= meta:get_string("digiline_channel") then
 		return
 	end
@ -304,7 +304,7 @@ local def = {
 		on_repair = repair_tube,
 	},
 	on_construct = function(pos)
-		local meta = minetest.get_meta(pos)
+		local meta = core.get_meta(pos)
 		meta:set_int("can_receive", 1)  -- Enabled by default
 		update_meta(meta)
 	end,
@ -315,10 +315,10 @@ local def = {
 if has_digilines then
 	def.after_place_node = function(pos, placer)
 		-- Set owner for digilines
-		minetest.get_meta(pos):set_string("owner", placer:get_player_name())
+		core.get_meta(pos):set_string("owner", placer:get_player_name())
 		pipeworks.after_place(pos)
 	end
-	def.digiline = {
+	def.digilines = {
 		receptor = {
 			rules = pipeworks.digilines_rules,
 		},
@ -339,12 +339,12 @@ pipeworks.register_tube("pipeworks:teleport_tube", {
 	node_def = def,
 })

-if minetest.get_modpath("mesecons_mvps") then
+if core.get_modpath("mesecons_mvps") then
 	-- Update tubes when moved by pistons
 	mesecon.register_on_mvps_move(function(moved_nodes)
 		for _, n in ipairs(moved_nodes) do
 			if n.node.name:find("pipeworks:teleport_tube") then
-				local meta = minetest.get_meta(n.pos)
+				local meta = core.get_meta(n.pos)
 				set_tube(n.pos, meta:get_string("channel"), meta:get_int("can_receive"))
 			end
 		end
--- a/tubes/vacuum.lua
+++ b/tubes/vacuum.lua
@ -1,10 +1,10 @@

-local S = minetest.get_translator("pipeworks")
+local S = core.get_translator("pipeworks")

-local has_vislib = minetest.get_modpath("vizlib")
+local has_vislib = core.get_modpath("vizlib")

-local enable_max = minetest.settings:get_bool("pipeworks_enable_items_per_tube_limit", true)
-local max_items = tonumber(minetest.settings:get("pipeworks_max_items_per_tube")) or 30
+local enable_max = core.settings:get_bool("pipeworks_enable_items_per_tube_limit", true)
+local max_items = tonumber(core.settings:get("pipeworks_max_items_per_tube")) or 30
 max_items = math.ceil(max_items / 2)  -- Limit vacuuming to half the max limit

 local function vacuum(pos, radius)
@ -12,7 +12,7 @@ local function vacuum(pos, radius)
 	local min_pos = vector.subtract(pos, radius)
 	local max_pos = vector.add(pos, radius)
 	local count = 0
-	for _, obj in pairs(minetest.get_objects_in_area(min_pos, max_pos)) do
+	for _, obj in pairs(core.get_objects_in_area(min_pos, max_pos)) do
 		local entity = obj:get_luaentity()
 		if entity and entity.name == "__builtin:item" then
 			if entity.itemstring ~= "" then
@ -29,13 +29,13 @@ local function vacuum(pos, radius)
 end

 local function set_timer(pos)
-	local timer = minetest.get_node_timer(pos)
+	local timer = core.get_node_timer(pos)
 	-- Randomize timer so not all tubes vacuum at the same time
 	timer:start(math.random(10, 20) * 0.1)
 end

 local function repair_tube(pos, was_node)
-	minetest.swap_node(pos, {name = was_node.name, param2 = was_node.param2})
+	core.swap_node(pos, {name = was_node.name, param2 = was_node.param2})
 	pipeworks.scan_for_tube_objects(pos)
 	set_timer(pos)
 end
@ -45,7 +45,7 @@ local function show_area(pos, node, player)
 		-- Only show area when using an empty hand
 		return
 	end
-	local radius = tonumber(minetest.get_meta(pos):get("dist")) or 2
+	local radius = tonumber(core.get_meta(pos):get("dist")) or 2
 	vizlib.draw_cube(pos, radius + 0.5, {player = player})
 end

@ -93,14 +93,14 @@ if pipeworks.enable_mese_sand_tube then
 				on_repair = repair_tube,
 			},
 			on_construct = function(pos)
-				local meta = minetest.get_meta(pos)
+				local meta = core.get_meta(pos)
 				meta:set_int("dist", 2)
 				meta:set_string("formspec", formspec)
 				meta:set_string("infotext", S("Adjustable Vacuuming Tube (@1m)", 2))
 				set_timer(pos)
 			end,
 			on_timer = function(pos, elapsed)
-				local radius = minetest.get_meta(pos):get_int("dist")
+				local radius = core.get_meta(pos):get_int("dist")
 				vacuum(pos, radius)
 				set_timer(pos)
 			end,
@ -108,7 +108,7 @@ if pipeworks.enable_mese_sand_tube then
 				if not fields.dist or not pipeworks.may_configure(pos, sender) then
 					return
 				end
-				local meta = minetest.get_meta(pos)
+				local meta = core.get_meta(pos)
 				local dist = math.min(math.max(tonumber(fields.dist) or 0, 0), 8)
 				meta:set_int("dist", dist)
 				meta:set_string("infotext", S("Adjustable Vacuuming Tube (@1m)", dist))
@ -118,7 +118,7 @@ if pipeworks.enable_mese_sand_tube then
 	})
 end

-minetest.register_lbm({
+core.register_lbm({
 	label = "Vacuum tube node timer starter",
 	name = "pipeworks:vacuum_tube_start",
 	nodenames = {"group:vacuum_tube"},
--- a/wielder.lua
+++ b/wielder.lua
@ -1,12 +1,12 @@
-local S = minetest.get_translator("pipeworks")
-local has_digilines = minetest.get_modpath("digilines")
+local S = core.get_translator("pipeworks")
+local has_digilines = core.get_modpath("digilines")

 local function set_wielder_formspec(def, meta)
 	local width, height = def.wield_inv.width, def.wield_inv.height
 	local offset = 5.22 - width * 0.625
 	local size = "10.2,"..(6.5 + height * 1.25 + (has_digilines and 1.25 or 0))
 	local list_bg = ""
-	if minetest.get_modpath("i3") or minetest.get_modpath("mcl_formspec") then
+	if core.get_modpath("i3") or core.get_modpath("mcl_formspec") then
 		list_bg = "style_type[box;colors=#666]"
 		for i=0, height-1 do
 			for j=0, width-1 do
@ -18,7 +18,7 @@ local function set_wielder_formspec(def, meta)
 	local fs = "formspec_version[2]size["..size.."]"..
 		pipeworks.fs_helpers.get_prepends(size)..list_bg..
 		"item_image[0.5,0.3;1,1;"..def.name.."_off]"..
-		"label[1.75,0.8;"..minetest.formspec_escape(def.description).."]"..
+		"label[1.75,0.8;"..core.formspec_escape(def.description).."]"..
 		"list[context;"..def.wield_inv.name..";"..offset..",1.25;"..width..","..height..";]"
 	if has_digilines then
 		fs = fs.."field[1.5,"..inv_offset..";5,0.8;channel;"..S("Channel")..";${channel}]"..
@ -32,7 +32,7 @@ local function set_wielder_formspec(def, meta)
 end

 local function wielder_action(def, pos, node, index)
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	local inv = meta:get_inventory()
 	local list = inv:get_list(def.wield_inv.name)
 	local wield_index
@ -51,7 +51,7 @@ local function wielder_action(def, pos, node, index)
 	if not wield_index and not def.wield_hand then
 		return
 	end
-	local dir = minetest.facedir_to_dir(node.param2)
+	local dir = core.facedir_to_dir(node.param2)
 	local fakeplayer = fakelib.create_player({
 		name = meta:get_string("owner"),
 		direction = vector.multiply(dir, -1),
@ -82,19 +82,19 @@ local function wielder_on(def, pos, node)
 		return
 	end
 	node.name = def.name.."_on"
-	minetest.swap_node(pos, node)
+	core.swap_node(pos, node)
 	wielder_action(def, pos, node)
 end

 local function wielder_off(def, pos, node)
 	if node.name == def.name.."_on" then
 		node.name = def.name.."_off"
-		minetest.swap_node(pos, node)
+		core.swap_node(pos, node)
 	end
 end

 local function wielder_digiline_action(def, pos, channel, msg)
-	local meta = minetest.get_meta(pos)
+	local meta = core.get_meta(pos)
 	local set_channel = meta:get_string("channel")
 	if channel ~= set_channel then
 		return
@ -109,7 +109,7 @@ local function wielder_digiline_action(def, pos, channel, msg)
 		end
 	end
 	if msg.command == "activate" then
-		local node = minetest.get_node(pos)
+		local node = core.get_node(pos)
 		local index = type(msg.slot) == "number" and msg.slot or nil
 		wielder_action(def, pos, node, index)
 	end
@ -123,7 +123,7 @@ function pipeworks.register_wielder(def)
 			axey = 1, handy = 1, pickaxey = 1,
 			not_in_creative_inventory = state == "on" and 1 or nil
 		}
-		minetest.register_node(def.name.."_"..state, {
+		core.register_node(def.name.."_"..state, {
 			description = def.description,
 			tiles = def.tiles[state],
 			paramtype2 = "facedir",
@ -157,16 +157,16 @@ function pipeworks.register_wielder(def)
 				can_insert = function(pos, node, stack, direction)
 					if def.eject_drops then
 						-- Prevent ejected items from being inserted
-						local dir = vector.multiply(minetest.facedir_to_dir(node.param2), -1)
+						local dir = vector.multiply(core.facedir_to_dir(node.param2), -1)
 						if vector.equals(direction, dir) then
 							return false
 						end
 					end
-					local inv = minetest.get_meta(pos):get_inventory()
+					local inv = core.get_meta(pos):get_inventory()
 					return inv:room_for_item(def.wield_inv.name, stack)
 				end,
 				insert_object = function(pos, node, stack)
-					local inv = minetest.get_meta(pos):get_inventory()
+					local inv = core.get_meta(pos):get_inventory()
 					return inv:add_item(def.wield_inv.name, stack)
 				end,
 				input_inventory = def.wield_inv.name,
@ -176,7 +176,7 @@ function pipeworks.register_wielder(def)
 				end,
 			},
 			on_construct = function(pos)
-				local meta = minetest.get_meta(pos)
+				local meta = core.get_meta(pos)
 				local inv = meta:get_inventory()
 				inv:set_size(def.wield_inv.name, def.wield_inv.width * def.wield_inv.height)
 				if def.eject_drops then
@ -189,15 +189,15 @@ function pipeworks.register_wielder(def)
 				if not placer then
 					return
 				end
-				local node = minetest.get_node(pos)
-				node.param2 = minetest.dir_to_facedir(placer:get_look_dir(), true)
-				minetest.set_node(pos, node)
-				minetest.get_meta(pos):set_string("owner", placer:get_player_name())
+				local node = core.get_node(pos)
+				node.param2 = core.dir_to_facedir(placer:get_look_dir(), true)
+				core.set_node(pos, node)
+				core.get_meta(pos):set_string("owner", placer:get_player_name())
 			end,
 			after_dig_node = function(pos, oldnode, oldmetadata, digger)
 				for _,stack in ipairs(oldmetadata.inventory[def.wield_inv.name] or {}) do
 					if not stack:is_empty() then
-						minetest.add_item(pos, stack)
+						core.add_item(pos, stack)
 					end
 				end
 				pipeworks.scan_for_tube_objects(pos)
@ -219,7 +219,7 @@ function pipeworks.register_wielder(def)
 				if not fields.channel or not pipeworks.may_configure(pos, sender) then
 					return
 				end
-				minetest.get_meta(pos):set_string("channel", fields.channel)
+				core.get_meta(pos):set_string("channel", fields.channel)
 			end,
 		})
 	end
@ -249,22 +249,22 @@ if pipeworks.enable_node_breaker then
 		action = function(fakeplayer, pointed)
 			local stack = fakeplayer:get_wielded_item()
 			local old_stack = ItemStack(stack)
-			local item_def = minetest.registered_items[stack:get_name()]
+			local item_def = core.registered_items[stack:get_name()]
 			if item_def.on_use then
 				stack = item_def.on_use(stack, fakeplayer, pointed) or stack
 				fakeplayer:set_wielded_item(stack)
 			else
-				local node = minetest.get_node(pointed.under)
-				local node_def = minetest.registered_nodes[node.name]
+				local node = core.get_node(pointed.under)
+				local node_def = core.registered_nodes[node.name]
 				if not node_def or not node_def.on_dig then
 					return
 				end
 				-- Check if the tool can dig the node
 				local tool = stack:get_tool_capabilities()
-				if not minetest.get_dig_params(node_def.groups, tool).diggable then
+				if not core.get_dig_params(node_def.groups, tool).diggable then
 					-- Try using hand if tool can't dig the node
 					local hand = ItemStack():get_tool_capabilities()
-					if not minetest.get_dig_params(node_def.groups, hand).diggable then
+					if not core.get_dig_params(node_def.groups, hand).diggable then
 						return
 					end
 				end
@ -274,7 +274,7 @@ if pipeworks.enable_node_breaker then
 				end
 				local sound = node_def.sounds and node_def.sounds.dug
 				if sound then
-					minetest.sound_play(sound, {pos = pointed.under}, true)
+					core.sound_play(sound, {pos = pointed.under}, true)
 				end
 				stack = fakeplayer:get_wielded_item()
 			end
@ -291,12 +291,12 @@ if pipeworks.enable_node_breaker then
 			end
 		end,
 	})
-	minetest.register_alias("technic:nodebreaker_off", "pipeworks:nodebreaker_off")
-	minetest.register_alias("technic:nodebreaker_on", "pipeworks:nodebreaker_on")
-	minetest.register_alias("technic:node_breaker_off", "pipeworks:nodebreaker_off")
-	minetest.register_alias("technic:node_breaker_on", "pipeworks:nodebreaker_on")
-	minetest.register_alias("auto_tree_tap:off", "pipeworks:nodebreaker_off")
-	minetest.register_alias("auto_tree_tap:on", "pipeworks:nodebreaker_on")
+	core.register_alias("technic:nodebreaker_off", "pipeworks:nodebreaker_off")
+	core.register_alias("technic:nodebreaker_on", "pipeworks:nodebreaker_on")
+	core.register_alias("technic:node_breaker_off", "pipeworks:nodebreaker_off")
+	core.register_alias("technic:node_breaker_on", "pipeworks:nodebreaker_on")
+	core.register_alias("auto_tree_tap:off", "pipeworks:nodebreaker_off")
+	core.register_alias("auto_tree_tap:on", "pipeworks:nodebreaker_on")
 end

 if pipeworks.enable_deployer then
@ -308,29 +308,29 @@ if pipeworks.enable_deployer then
 		wield_inv = {name = "main", width = 3, height = 3},
 		action = function(fakeplayer, pointed)
 			local stack = fakeplayer:get_wielded_item()
-			local def = minetest.registered_items[stack:get_name()]
+			local def = core.registered_items[stack:get_name()]
 			if def and def.on_place then
 				local new_stack, placed_pos = def.on_place(stack, fakeplayer, pointed)
 				fakeplayer:set_wielded_item(new_stack or stack)
-				-- minetest.item_place_node doesn't play sound to the placer
+				-- core.item_place_node doesn't play sound to the placer
 				local sound = placed_pos and def.sounds and def.sounds.place
 				local name = fakeplayer:get_player_name()
 				if sound and name ~= "" then
-					minetest.sound_play(sound, {pos = placed_pos, to_player = name}, true)
+					core.sound_play(sound, {pos = placed_pos, to_player = name}, true)
 				end
 			end
 		end,
 	})
-	minetest.register_alias("technic:deployer_off", "pipeworks:deployer_off")
-	minetest.register_alias("technic:deployer_on", "pipeworks:deployer_on")
+	core.register_alias("technic:deployer_off", "pipeworks:deployer_off")
+	core.register_alias("technic:deployer_on", "pipeworks:deployer_on")
 end

 if pipeworks.enable_dispenser then
-	-- Override minetest.item_drop to negate its hardcoded offset
+	-- Override core.item_drop to negate its hardcoded offset
 	-- when the dropper is a fake player.
-	local item_drop = minetest.item_drop
+	local item_drop = core.item_drop
 	-- luacheck: ignore 122
-	function minetest.item_drop(stack, dropper, pos)
+	function core.item_drop(stack, dropper, pos)
 		if dropper and dropper.is_fake_player then
 			pos = vector.new(pos.x, pos.y - 1.2, pos.z)
 		end
@ -344,7 +344,7 @@ if pipeworks.enable_dispenser then
 		wield_inv = {name = "main", width = 3, height = 3},
 		action = function(fakeplayer)
 			local stack = fakeplayer:get_wielded_item()
-			local def = minetest.registered_items[stack:get_name()]
+			local def = core.registered_items[stack:get_name()]
 			if def and def.on_drop then
 				local pos = fakeplayer:get_pos()
 				fakeplayer:set_wielded_item(def.on_drop(stack, fakeplayer, pos) or stack)
Author	SHA1	Message	Date
The4codeblocks	2ebc4ac92d	Replace `minetest` namespace with `core` (#158 ) Co-authored-by: SX <50966843+S-S-X@users.noreply.github.com>	2025-06-26 17:41:04 +10:00
OgelGames	d39ff8a097	Check destination node before injecting item (#163 )	2025-06-26 17:33:25 +10:00
OgelGames	1b77b64c08	Fix handling of split stacks (#167 )	2025-06-26 17:32:25 +10:00
wsor4035	e23a2fda3d	fix #161 - change digilines:receptor_send -> digilines.receptor_send	2025-05-18 21:18:43 -04:00
BuckarooBanzay	ad8984c72b	fix/shim luacheck errors	2025-05-11 22:02:25 +02:00
Matt Chandler	e657d0476a	change digilines:receptor_send -> digilines.receptor_send (#160 )	2025-05-09 06:52:08 +02:00
The4codeblocks	8d34ff9079	fix #15 and #62 (process split stacks) (#154 ) * fix #15 fixes #15 * fix luacheck stuff * I mean here * crash fix + allow arbitrary-count extraction * crash fix * wrong place * missed an end	2025-05-07 20:22:49 +02:00
The4codeblocks	999b43baea	digiline → digilines (#156 )	2025-05-07 20:13:01 +02:00
The4codeblocks	c8bccec038	Update init.lua (#155 )	2025-05-07 20:10:22 +02:00
The4codeblocks	b0496fcd41	fix issue #150 (prevent non-tubes / reinforced tubes from breaking) (#153 ) * fix #150 (issue #150) * tube not tube device * tntd * embedded tube is durable * Update pane_embedded_tube.lua * Update registration.lua * Update item_transport.lua * redundant * one-way tube is tube * pipe not tube * built-in method * more deduplication * "=" → " = "	2025-05-07 20:05:54 +02:00