update coloredwood, digilines, technic, gloopblocks, homedecor, mesecons,

pipeworks, player_textures, signs_lib, unifieddyes, and worldedit

14 files changed, 346 insertions, 67 deletions

diff --git a/technic/README.md b/technic/README.md
index b6aa05f..e5adf31 100644
--- a/technic/README.md
+++ b/technic/README.md
@@ -25,3 +25,11 @@ RealBadAngel: (WTFPL)
   * Everything else.
 
 CC BY-SA 3.0: <http://creativecommons.org/licenses/by-sa/3.0/>
+
+Sound licenses:
+
+veikk0 (Veikko Mäkelä) (CC BY-SA 4.0):
+  * technic_hv_nuclear_reactor_siren_danger_loop.ogg
+    * Derived from "Nuclear alarm.wav" by Freesound.org user rene___ from <https://freesound.org/people/rene___/sounds/56778/>. Originally licensed under CC0 1.0 <https://creativecommons.org/publicdomain/zero/1.0/>
+
+CC BY-SA 4.0: <https://creativecommons.org/licenses/by-sa/4.0/>
\ No newline at end of file
diff --git a/technic/locale/it.txt b/technic/locale/it.txt
index 59ba7f6..a092a53 100644
--- a/technic/locale/it.txt
+++ b/technic/locale/it.txt
@@ -26,8 +26,8 @@ Graphite = Lastra in graffite
 Carbon Cloth = Fibra di carbonio
 Raw Latex = Latex grezzo
 Rubber Fiber = Fibra di gomma
-%.1f%%-Fissile Uranium Ingot =
-%.1f%%-Fissile Uranium Block =
+%.1f%%-Fissile Uranium Ingot = %.1f%%-Lingotto di uranio fissile
+%.1f%%-Fissile Uranium Block = %.1f%%-Blocco di uranio fissile
 
 ## Machine misc
 Machine cannot be removed because it is not empty = La macchina non può essere rimossa perchè non è vuota
@@ -36,7 +36,7 @@ Inventory move disallowed due to protection = Impossibile muovere l'inventario a
 @1 Active (@2 EU) = @1 Attivo (@2 EU)
 %s Active = %s Attivo
 %s Disabled = %s Disabilitato
-%s Enabled =
+%s Enabled = %s Abilitato
 %s Idle = %s Inattivo
 %s Improperly Placed = %s Piazzato impropiamente
 %s Unpowered = %s Non alimentato
@@ -46,18 +46,18 @@ Inventory move disallowed due to protection = Impossibile muovere l'inventario a
 %s Finished = %s Finito
 Enable/Disable = Abilita/Disabilita
 Range = Raggio
-Upgrade Slots =
+Upgrade Slots = Alloggi di aggiornamento
 In: = Ingresso:
 Out: = Uscita:
-Slot %d =
+Slot %d = Alloggio %d
 Itemwise = Singolo elemento
 Stackwise = pila completa
-Owner: =
-Unlocked =
-Locked =
-Radius: =
-Enabled =
-Disabled =
+Owner: = Proprietario:
+Unlocked = Non chiuso a chiave
+Locked = Chiuso a chiave
+Radius: = Raggio:
+Enabled = Abilitato
+Disabled = Disabilitato
 
 ## Machine names
 # $1: Tier
@@ -84,10 +84,10 @@ Self-Contained Injector = Ignettore
 Constructor Mk%d = Costruttore Mk%d
 Frame = Cornice
 Frame Motor = Cornice del motore
-Template =
-Template (replacing) = Template (rimpiazzato)
-Template Motor =
-Template Tool =
+Template = Sagoma
+Template (replacing) = Sagoma (di rimpiazzo)
+Template Motor = Motore per sagome
+Template Tool = Strumento per sagome
 Battery Box = Box batterie
 Supply Converter = Trasformatore
 Switching Station = Stazione di controllo
@@ -96,7 +96,7 @@ Fuel-Fired Furnace = Fornace a carbone
 Wind Mill Frame = Pala eolica
 Forcefield = Campo di forza
 Nuclear Reactor Rod Compartment = Compartimento combustibile nucleare
-Administrative World Anchor =
+Administrative World Anchor = Ancora-mondo amministrativa
 
 ## Machine-specific
 # $1: Pruduced EU
@@ -111,12 +111,12 @@ Production at %d%% = Produzione a %d%%
 Choose Milling Program: = Scegliere un programma di Fresatura
 Slim Elements half / normal height: = Metà elementi sottili / altezza normale:
 Current track %s = Traccia corrente %s
-Stopped =
-Keeping %d/%d map blocks loaded =
-Digging not started =
-Digging finished =
-Digging %d m above machine =
-Digging %d m below machine =
+Stopped = Fermato
+Keeping %d/%d map blocks loaded = Mantenimento di %d/%d blocchi mappa caricati
+Digging not started = Scavo non iniziato
+Digging finished = Scavo finito
+Digging %d m above machine = Scavo di %d m sopra la macchina
+Digging %d m below machine = Scavo di %d m sotto la macchina
 
 ## CNC
 Cylinder = Cilindro
@@ -174,10 +174,10 @@ Talinite = Talinite
 Tin = Stagno
 Wrought Iron = Ferro Battuto
 Zinc = Zinco
-%.1f%%-Fissile Uranium =
+%.1f%%-Fissile Uranium = %.1f%%-Uranio fissile
 
 ## Tools
-RE Battery =
+RE Battery = Batteria RE
 Water Can = Serbatoio d'acqua
 Lava Can = Serbatoio di lava
 Chainsaw = Motosega
diff --git a/technic/machines/HV/quarry.lua b/technic/machines/HV/quarry.lua
index 8255676..8d87b65 100644
--- a/technic/machines/HV/quarry.lua
+++ b/technic/machines/HV/quarry.lua
@@ -12,6 +12,7 @@ minetest.register_craft({
 local quarry_dig_above_nodes = 3 -- How far above the quarry we will dig nodes
 local quarry_max_depth       = 100
 local quarry_demand = 10000
+local quarry_eject_dir = vector.new(0, 1, 0)
 
 local function set_quarry_formspec(meta)
 	local radius = meta:get_int("size")
@@ -83,7 +84,7 @@ local function quarry_handle_purge(pos)
 		if stack then
 			local item = stack:to_table()
 			if item then
-				technic.tube_inject_item(pos, pos, vector.new(0, 1, 0), item)
+				technic.tube_inject_item(pos, pos, quarry_eject_dir, item)
 				stack:clear()
 				inv:set_stack("cache", i, stack)
 				break
@@ -217,6 +218,16 @@ minetest.register_node("technic:quarry", {
 	connect_sides = {"bottom", "front", "left", "right"},
 	tube = {
 		connect_sides = {top = 1},
+		-- lower priority than other tubes, so that quarries will prefer any
+		-- other tube to another quarry, which could lead to server freezes
+		-- in certain quarry placements (2x2 for example would never eject)
+		priority = 10,
+		can_go = function(pos, node, velocity, stack)
+			-- always eject the same, even if items came in another way
+			-- this further mitigates loops and generally avoids random sideway movement
+			-- that can be expected in certain quarry placements
+			return { quarry_eject_dir }
+		end
 	},
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
diff --git a/technic/machines/init.lua b/technic/machines/init.lua
index ad79eab..f2e31c9 100644
--- a/technic/machines/init.lua
+++ b/technic/machines/init.lua
@@ -8,6 +8,7 @@ dofile(path.."/MV/init.lua")
 dofile(path.."/HV/init.lua")
 
 dofile(path.."/switching_station.lua")
+dofile(path.."/power_monitor.lua")
 dofile(path.."/supply_converter.lua")
 
 dofile(path.."/other/init.lua")
diff --git a/technic/machines/other/constructor.lua b/technic/machines/other/constructor.lua
index 3396ac7..9c64051 100644
--- a/technic/machines/other/constructor.lua
+++ b/technic/machines/other/constructor.lua
@@ -21,7 +21,7 @@ local function deploy_node(inv, slot_name, pos, node, machine_node)
 		end
 		if remove_to then
 			for i = 1, remove_to do
-				inv:remove_item(drops[i])
+				inv:remove_item(slot_name, drops[i])
 			end
 		else
 			minetest.remove_node(pos)
diff --git a/technic/machines/power_monitor.lua b/technic/machines/power_monitor.lua
new file mode 100644
index 0000000..4306693
--- /dev/null
+++ b/technic/machines/power_monitor.lua
@@ -0,0 +1,67 @@
+-- POWER MONITOR
+-- The power monitor can be used to monitor how much power is available on a network,
+-- similarly to the old "slave" switching stations.
+
+local S = technic.getter
+
+minetest.register_craft({
+	output = "technic:power_monitor",
+	recipe = {
+		{"",                 "",                       ""},
+		{"",                 "technic:machine_casing", "default:copper_ingot"},
+		{"technic:lv_cable", "technic:lv_cable",       "technic:lv_cable"}
+	}
+})
+
+minetest.register_node("technic:power_monitor",{
+	description = S("Power Monitor"),
+	tiles  = {
+		"technic_power_monitor_sides.png",
+		"technic_power_monitor_bottom_back.png",
+		"technic_power_monitor_sides.png",
+		"technic_power_monitor_sides.png",
+		"technic_power_monitor_bottom_back.png",
+		"technic_power_monitor_front.png"
+	},
+	paramtype2 = "facedir",
+	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_all_tiers=1, technic_machine=1},
+	connect_sides = {"bottom", "back"},
+	sounds = default.node_sound_wood_defaults(),
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("infotext", S("Power Monitor"))
+	end,
+})
+
+minetest.register_abm({
+	nodenames = {"technic:power_monitor"},
+	label = "Power Monitor",
+	interval   = 1,
+	chance     = 1,
+	action = function(pos, node, active_object_count, active_object_count_wider)
+		local meta = minetest.get_meta(pos)
+		local network_hash = technic.cables[minetest.hash_node_position(pos)]
+		local network = network_hash and minetest.get_position_from_hash(network_hash)
+		local sw_pos = network and {x=network.x,y=network.y+1,z=network.z}
+		local timeout = 0
+		for tier in pairs(technic.machines) do
+			timeout = math.max(meta:get_int(tier.."_EU_timeout"),timeout)
+		end
+		if timeout > 0 and sw_pos and minetest.get_node(sw_pos).name == "technic:switching_station" then
+			local sw_meta = minetest.get_meta(sw_pos)
+			local supply = sw_meta:get_int("supply")
+			local demand = sw_meta:get_int("demand")
+			meta:set_string("infotext",
+					S("Power Monitor. Supply: @1 Demand: @2",
+					technic.pretty_num(supply), technic.pretty_num(demand)))
+		else
+			meta:set_string("infotext",S("Power Monitor Has No Network"))
+		end
+	end,
+})
+
+for tier in pairs(technic.machines) do
+	-- RE in order to use the "timeout" functions, although it consumes 0 power
+	technic.register_machine(tier, "technic:power_monitor", "RE")
+end
+
diff --git a/technic/machines/register/cables.lua b/technic/machines/register/cables.lua
index 28984c0..165db98 100644
--- a/technic/machines/register/cables.lua
+++ b/technic/machines/register/cables.lua
@@ -11,8 +11,110 @@ function technic.get_cable_tier(name)
 	return cable_tier[name]
 end
 
-local function clear_networks()
-	technic.networks = {}
+local function check_connections(pos)
+	-- Build a table of all machines
+	local machines = {}
+	for tier,list in pairs(technic.machines) do
+		for k,v in pairs(list) do
+			machines[k] = v
+		end
+	end
+	local connections = {}
+	local positions = {
+		{x=pos.x+1, y=pos.y,   z=pos.z},
+		{x=pos.x-1, y=pos.y,   z=pos.z},
+		{x=pos.x,   y=pos.y+1, z=pos.z},
+		{x=pos.x,   y=pos.y-1, z=pos.z},
+		{x=pos.x,   y=pos.y,   z=pos.z+1},
+		{x=pos.x,   y=pos.y,   z=pos.z-1}}
+	for _,connected_pos in pairs(positions) do
+		local name = minetest.get_node(connected_pos).name
+		if machines[name] or technic.get_cable_tier(name) then
+			table.insert(connections,connected_pos)
+		end
+	end
+	return connections
+end
+
+local function clear_networks(pos)
+	local node = minetest.get_node(pos)
+	local meta = minetest.get_meta(pos)
+	local placed = node.name ~= "air"
+	local positions = check_connections(pos)
+	if #positions < 1 then return end
+	local dead_end = #positions == 1
+	for _,connected_pos in pairs(positions) do
+		local net = technic.cables[minetest.hash_node_position(connected_pos)]
+		if net and technic.networks[net] then
+			if dead_end and placed then
+				-- Dead end placed, add it to the network
+				-- Get the network
+				local network_id = technic.cables[minetest.hash_node_position(positions[1])]
+				if not network_id then
+					-- We're evidently not on a network, nothing to add ourselves to
+					return
+				end
+				local sw_pos = minetest.get_position_from_hash(network_id)
+				sw_pos.y = sw_pos.y + 1
+				local network = technic.networks[network_id]
+				local tier = network.tier
+
+				-- Actually add it to the (cached) network
+				-- This is similar to check_node_subp
+				technic.cables[minetest.hash_node_position(pos)] = network_id
+				pos.visited = 1
+				if technic.is_tier_cable(name, tier) then
+					table.insert(network.all_nodes,pos)
+				elseif technic.machines[tier][node.name] then
+					meta:set_string(tier.."_network",minetest.pos_to_string(sw_pos))
+					if     technic.machines[tier][node.name] == technic.producer then
+						table.insert(network.PR_nodes,pos)
+					elseif technic.machines[tier][node.name] == technic.receiver then
+						table.insert(network.RE_nodes,pos)
+					elseif technic.machines[tier][node.name] == technic.producer_receiver then
+						table.insert(network.PR_nodes,pos)
+						table.insert(network.RE_nodes,pos)
+					elseif technic.machines[tier][node.name] == "SPECIAL" and
+							(pos.x ~= sw_pos.x or pos.y ~= sw_pos.y or pos.z ~= sw_pos.z) and
+							from_below then
+						table.insert(network.SP_nodes,pos)
+					elseif technic.machines[tier][node.name] == technic.battery then
+						table.insert(network.BA_nodes,pos)
+					end
+				end
+			elseif dead_end and not placed then
+				-- Dead end removed, remove it from the network
+				-- Get the network
+				local network_id = technic.cables[minetest.hash_node_position(positions[1])]
+				if not network_id then
+					-- We're evidently not on a network, nothing to add ourselves to
+					return
+				end
+				local network = technic.networks[network_id]
+
+				-- Search for and remove machine
+				technic.cables[minetest.hash_node_position(pos)] = nil
+				for tblname,table in pairs(network) do
+					if tblname ~= "tier" then
+						for machinenum,machine in pairs(table) do
+							if machine.x == pos.x
+							and machine.y == pos.y
+							and machine.z == pos.z then
+								table[machinenum] = nil
+							end
+						end
+					end
+				end
+			else
+				-- Not a dead end, so the whole network needs to be recalculated
+				for _,v in pairs(technic.networks[net].all_nodes) do
+					local pos1 = minetest.hash_node_position(v)
+					technic.cables[pos1] = nil
+				end
+				technic.networks[net] = nil
+			end
+		end
+	end
 end
 
 function technic.register_cable(tier, size)
@@ -55,7 +157,7 @@ end
 local function clear_nets_if_machine(pos, node)
 	for tier, machine_list in pairs(technic.machines) do
 		if machine_list[node.name] ~= nil then
-			return clear_networks()
+			return clear_networks(pos)
 		end
 	end
 end
diff --git a/technic/machines/supply_converter.lua b/technic/machines/supply_converter.lua
index 32597de..15c761d 100644
--- a/technic/machines/supply_converter.lua
+++ b/technic/machines/supply_converter.lua
@@ -9,12 +9,62 @@
 
 local S = technic.getter
 
+local function set_supply_converter_formspec(meta)
+	local formspec = "size[5,2.25]"..
+		"field[0.3,0.5;2,1;power;"..S("Input Power")..";"..meta:get_int("power").."]"
+	-- The names for these toggle buttons are explicit about which
+	-- state they'll switch to, so that multiple presses (arising
+	-- from the ambiguity between lag and a missed press) only make
+	-- the single change that the user expects.
+	if meta:get_int("mesecon_mode") == 0 then
+		formspec = formspec.."button[0,1;5,1;mesecon_mode_1;"..S("Ignoring Mesecon Signal").."]"
+	else
+		formspec = formspec.."button[0,1;5,1;mesecon_mode_0;"..S("Controlled by Mesecon Signal").."]"
+	end
+	if meta:get_int("enabled") == 0 then
+		formspec = formspec.."button[0,1.75;5,1;enable;"..S("%s Disabled"):format(S("Supply Converter")).."]"
+	else
+		formspec = formspec.."button[0,1.75;5,1;disable;"..S("%s Enabled"):format(S("Supply Converter")).."]"
+	end
+	meta:set_string("formspec", formspec)
+end
+
+local supply_converter_receive_fields = function(pos, formname, fields, sender)
+	local meta = minetest.get_meta(pos)
+	local power = nil
+	if fields.power then
+		power = tonumber(fields.power) or 0
+		power = 100 * math.floor(power / 100)
+		power = math.max(power, 0)
+		power = math.min(power, 10000)
+		if power == meta:get_int("power") then power = nil end
+	end
+	if power then meta:set_int("power", power) end
+	if fields.enable then meta:set_int("enabled", 1) end
+	if fields.disable then meta:set_int("enabled", 0) end
+	if fields.mesecon_mode_0 then meta:set_int("mesecon_mode", 0) end
+	if fields.mesecon_mode_1 then meta:set_int("mesecon_mode", 1) end
+	set_supply_converter_formspec(meta)
+end
+
+local mesecons = {
+	effector = {
+		action_on = function(pos, node)
+			minetest.get_meta(pos):set_int("mesecon_effect", 1)
+		end,
+		action_off = function(pos, node)
+			minetest.get_meta(pos):set_int("mesecon_effect", 0)
+		end
+	}
+}
+
 local run = function(pos, node)
-	local demand = 10000
 	local remain = 0.9
 	-- Machine information
 	local machine_name  = S("Supply Converter")
 	local meta          = minetest.get_meta(pos)
+	local enabled = meta:get_int("enabled") ~= 0 and (meta:get_int("mesecon_mode") == 0 or meta:get_int("mesecon_effect") ~= 0)
+	local demand = enabled and meta:get_int("power") or 10000
 
 	local pos_up        = {x=pos.x, y=pos.y+1, z=pos.z}
 	local pos_down      = {x=pos.x, y=pos.y-1, z=pos.z}
@@ -53,12 +103,19 @@ minetest.register_node("technic:supply_converter", {
 		technic_machine=1, technic_all_tiers=1},
 	connect_sides = {"top", "bottom"},
 	sounds = default.node_sound_wood_defaults(),
+	on_receive_fields = supply_converter_receive_fields,
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
 		meta:set_string("infotext", S("Supply Converter"))
-		meta:set_float("active", false)
+		meta:set_int("power", 10000)
+		meta:set_int("enabled", 1)
+		meta:set_int("mesecon_mode", 0)
+		meta:set_int("mesecon_effect", 0)
+		set_supply_converter_formspec(meta)
 	end,
+	mesecons = mesecons,
 	technic_run = run,
+	technic_on_disable = run,
 })
 
 minetest.register_craft({
diff --git a/technic/machines/switching_station.lua b/technic/machines/switching_station.lua
index f7ec0b6..f925817 100644
--- a/technic/machines/switching_station.lua
+++ b/technic/machines/switching_station.lua
@@ -32,6 +32,7 @@
 --  This way the supplies are separated per network.
 
 technic.networks = {}
+technic.cables = {}
 
 local S = technic.getter
 
@@ -57,6 +58,11 @@ minetest.register_node("technic:switching_station",{
 		meta:set_string("infotext", S("Switching Station"))
 		meta:set_string("active", 1)
 	end,
+	after_dig_node = function(pos)
+		minetest.forceload_free_block(pos)
+		pos.y = pos.y - 1
+		minetest.forceload_free_block(pos)
+	end,
 })
 
 --------------------------------------------------
@@ -64,7 +70,8 @@ minetest.register_node("technic:switching_station",{
 --------------------------------------------------
 
 -- Add a wire node to the LV/MV/HV network
-local add_new_cable_node = function(nodes, pos)
+local add_new_cable_node = function(nodes, pos, network_id)
+	technic.cables[minetest.hash_node_position(pos)] = network_id
 	-- Ignore if the node has already been added
 	for i = 1, #nodes do
 		if pos.x == nodes[i].x and
@@ -78,31 +85,31 @@ local add_new_cable_node = function(nodes, pos)
 end
 
 -- Generic function to add found connected nodes to the right classification array
-local check_node_subp = function(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes, pos, machines, tier, sw_pos, from_below)
+local check_node_subp = function(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes, pos, machines, tier, sw_pos, from_below, network_id)
 	technic.get_or_load_node(pos)
 	local meta = minetest.get_meta(pos)
 	local name = minetest.get_node(pos).name
 
 	if technic.is_tier_cable(name, tier) then
-		add_new_cable_node(all_nodes, pos)
+		add_new_cable_node(all_nodes, pos,network_id)
 	elseif machines[name] then
 		--dprint(name.." is a "..machines[name])
+		meta:set_string(tier.."_network",minetest.pos_to_string(sw_pos))
 		if     machines[name] == technic.producer then
-			add_new_cable_node(PR_nodes, pos)
+			add_new_cable_node(PR_nodes, pos, network_id)
 		elseif machines[name] == technic.receiver then
-			add_new_cable_node(RE_nodes, pos)
+			add_new_cable_node(RE_nodes, pos, network_id)
 		elseif machines[name] == technic.producer_receiver then
-			add_new_cable_node(PR_nodes, pos)
-			add_new_cable_node(RE_nodes, pos)
+			add_new_cable_node(PR_nodes, pos, network_id)
+			add_new_cable_node(RE_nodes, pos, network_id)
 		elseif machines[name] == "SPECIAL" and
 				(pos.x ~= sw_pos.x or pos.y ~= sw_pos.y or pos.z ~= sw_pos.z) and
 				from_below then
 			-- Another switching station -> disable it
-			add_new_cable_node(SP_nodes, pos)
+			add_new_cable_node(SP_nodes, pos, network_id)
 			meta:set_int("active", 0)
-			meta:set_string("active_pos", minetest.serialize(sw_pos))
 		elseif machines[name] == technic.battery then
-			add_new_cable_node(BA_nodes, pos)
+			add_new_cable_node(BA_nodes, pos, network_id)
 		end
 
 		meta:set_int(tier.."_EU_timeout", 2) -- Touch node
@@ -110,7 +117,7 @@ local check_node_subp = function(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nod
 end
 
 -- Traverse a network given a list of machines and a cable type name
-local traverse_network = function(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes, i, machines, tier, sw_pos)
+local traverse_network = function(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes, i, machines, tier, sw_pos, network_id)
 	local pos = all_nodes[i]
 	local positions = {
 		{x=pos.x+1, y=pos.y,   z=pos.z},
@@ -121,7 +128,7 @@ local traverse_network = function(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_no
 		{x=pos.x,   y=pos.y,   z=pos.z-1}}
 	--print("ON")
 	for i, cur_pos in pairs(positions) do
-		check_node_subp(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes, cur_pos, machines, tier, sw_pos, i == 3)
+		check_node_subp(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes, cur_pos, machines, tier, sw_pos, i == 3, network_id)
 	end
 end
 
@@ -153,11 +160,11 @@ local get_network = function(sw_pos, pos1, tier)
 	local all_nodes = {pos1}
 	repeat
 		traverse_network(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes,
-				i, technic.machines[tier], tier, sw_pos)
+				i, technic.machines[tier], tier, sw_pos, minetest.hash_node_position(pos1))
 		i = i + 1
 	until all_nodes[i] == nil
 	technic.networks[minetest.hash_node_position(pos1)] = {tier = tier, PR_nodes = PR_nodes,
-			RE_nodes = RE_nodes, BA_nodes = BA_nodes, SP_nodes = SP_nodes}
+			RE_nodes = RE_nodes, BA_nodes = BA_nodes, SP_nodes = SP_nodes, all_nodes = all_nodes}
 	return PR_nodes, BA_nodes, RE_nodes
 end
 
@@ -183,27 +190,30 @@ minetest.register_abm({
 		local BA_nodes
 		local RE_nodes
 		local machine_name = S("Switching Station")
+		
+		-- Which kind of network are we on:
+		pos1 = {x=pos.x, y=pos.y-1, z=pos.z}
 
+		--Disable if necessary
 		if meta:get_int("active") ~= 1 then
-			meta:set_int("active", 1)
-			local active_pos = minetest.deserialize(meta:get_string("active_pos"))
-			if active_pos then
-				local meta1 = minetest.get_meta(active_pos)
-				meta:set_string("infotext", S("%s (Slave)"):format(meta1:get_string("infotext")))
-			end
+			minetest.forceload_free_block(pos)
+			minetest.forceload_free_block(pos1)
+			meta:set_string("infotext",S("%s Already Present"):format(machine_name))
 			return
 		end
-		
-		-- Which kind of network are we on:
-		pos1 = {x=pos.x, y=pos.y-1, z=pos.z}
 
 		local name = minetest.get_node(pos1).name
 		local tier = technic.get_cable_tier(name)
 		if tier then
+			-- Forceload switching station
+			minetest.forceload_block(pos)
+			minetest.forceload_block(pos1)
 			PR_nodes, BA_nodes, RE_nodes = get_network(pos, pos1, tier)
 		else
 			--dprint("Not connected to a network")
 			meta:set_string("infotext", S("%s Has No Network"):format(machine_name))
+			minetest.forceload_free_block(pos)
+			minetest.forceload_free_block(pos1)
 			return
 		end
 		
@@ -291,6 +301,10 @@ minetest.register_abm({
 				S("@1. Supply: @2 Demand: @3",
 				machine_name, technic.pretty_num(PR_eu_supply), technic.pretty_num(RE_eu_demand)))
 
+		-- Data that will be used by the power monitor
+		meta:set_int("supply",PR_eu_supply)
+		meta:set_int("demand",RE_eu_demand)
+
 		-- If the PR supply is enough for the RE demand supply them all
 		if PR_eu_supply >= RE_eu_demand then
 		--dprint("PR_eu_supply"..PR_eu_supply.." >= RE_eu_demand"..RE_eu_demand)
@@ -352,6 +366,7 @@ minetest.register_abm({
 			meta1 = minetest.get_meta(pos1)
 			meta1:set_int(eu_input_str, 0)
 		end
+		
 	end,
 })
 
@@ -374,6 +389,7 @@ minetest.register_abm({
 	interval   = 1,
 	chance     = 1,
 	action = function(pos, node, active_object_count, active_object_count_wider)
+		local meta = minetest.get_meta(pos)
 		for tier, machines in pairs(technic.machines) do
 			if machines[node.name] and switching_station_timeout_count(pos, tier) then
 				local nodedef = minetest.registered_nodes[node.name]
@@ -392,6 +408,23 @@ minetest.register_abm({
 	end,
 })
 
+--Re-enable disabled switching station if necessary, similar to the timeout above
+minetest.register_abm({
+	nodenames = {"technic:switching_station"},
+	interval   = 1,
+	chance     = 1,
+	action = function(pos, node, active_object_count, active_object_count_wider)
+		local meta = minetest.get_meta(pos)
+		local pos1 = {x=pos.x,y=pos.y-1,z=pos.z}
+		local tier = technic.get_cable_tier(minetest.get_node(pos1).name)
+		if not tier then return end
+		if switching_station_timeout_count(pos, tier) then
+			local meta = minetest.get_meta(pos)
+			meta:set_int("active",1)
+		end
+	end,
+})
+
 for tier, machines in pairs(technic.machines) do
 	-- SPECIAL will not be traversed
 	technic.register_machine(tier, "technic:switching_station", "SPECIAL")
diff --git a/technic/sounds/technic_hv_nuclear_reactor_siren_danger_loop.ogg b/technic/sounds/technic_hv_nuclear_reactor_siren_danger_loop.ogg
index 3d290b0..1f21a16 100644
--- a/technic/sounds/technic_hv_nuclear_reactor_siren_danger_loop.ogg
+++ b/technic/sounds/technic_hv_nuclear_reactor_siren_danger_loop.ogg
diff --git a/technic/textures/technic_power_monitor_bottom_back.png b/technic/textures/technic_power_monitor_bottom_back.png
new file mode 100644
index 0000000..c857039
--- /dev/null
+++ b/technic/textures/technic_power_monitor_bottom_back.png
diff --git a/technic/textures/technic_power_monitor_front.png b/technic/textures/technic_power_monitor_front.png
new file mode 100644
index 0000000..b0db568
--- /dev/null
+++ b/technic/textures/technic_power_monitor_front.png
diff --git a/technic/textures/technic_power_monitor_sides.png b/technic/textures/technic_power_monitor_sides.png
new file mode 100644
index 0000000..a6df4f3
--- /dev/null
+++ b/technic/textures/technic_power_monitor_sides.png
diff --git a/technic/tools/mining_drill.lua b/technic/tools/mining_drill.lua
index 8a25abe..bc426e7 100644
--- a/technic/tools/mining_drill.lua
+++ b/technic/tools/mining_drill.lua
@@ -71,20 +71,21 @@ local function drill_dig_it1 (player)
 end
 
 local function drill_dig_it2 (pos,player)
+	pos.y=pos.y+1
 	drill_dig_it0 (pos,player)
 	pos.z=pos.z+1
 	drill_dig_it0 (pos,player)
 	pos.z=pos.z-2
 	drill_dig_it0 (pos,player)
 	pos.z=pos.z+1
-	pos.y=pos.y+1
+	pos.y=pos.y-1
 	drill_dig_it0 (pos,player)
 	pos.z=pos.z+1
 	drill_dig_it0 (pos,player)
 	pos.z=pos.z-2
 	drill_dig_it0 (pos,player)
 	pos.z=pos.z+1
-	pos.y=pos.y-2
+	pos.y=pos.y-1
 	drill_dig_it0 (pos,player)
 	pos.z=pos.z+1
 	drill_dig_it0 (pos,player)
@@ -93,20 +94,21 @@ local function drill_dig_it2 (pos,player)
 end
 
 local function drill_dig_it3 (pos,player)
+	pos.y=pos.y+1
 	drill_dig_it0 (pos,player)
 	pos.x=pos.x+1
 	drill_dig_it0 (pos,player)
 	pos.x=pos.x-2
 	drill_dig_it0 (pos,player)
 	pos.x=pos.x+1
-	pos.y=pos.y+1
+	pos.y=pos.y-1
 	drill_dig_it0 (pos,player)
 	pos.x=pos.x+1
 	drill_dig_it0 (pos,player)
 	pos.x=pos.x-2
 	drill_dig_it0 (pos,player)
 	pos.x=pos.x+1
-	pos.y=pos.y-2
+	pos.y=pos.y-1
 	drill_dig_it0 (pos,player)
 	pos.x=pos.x+1
 	drill_dig_it0 (pos,player)
@@ -252,10 +254,9 @@ local function mining_drill_mk2_setmode(user,itemstack)
 	mode=mode+1
 	if mode>=5 then mode=1 end
 	minetest.chat_send_player(player_name, S("Mining Drill Mk%d Mode %d"):format(2, mode)..": "..mining_drill_mode_text[mode][1])
-	item["name"]="technic:mining_drill_mk2_"..mode
+    itemstack:set_name("technic:mining_drill_mk2_"..mode);
 	meta["mode"]=mode
-	item["metadata"]=minetest.serialize(meta)
-	itemstack:replace(item)
+    itemstack:set_metadata(minetest.serialize(meta))
 	return itemstack
 end
 
@@ -276,10 +277,9 @@ local function mining_drill_mk3_setmode(user,itemstack)
 	mode=mode+1
 	if mode>=6 then mode=1 end
 	minetest.chat_send_player(player_name, S("Mining Drill Mk%d Mode %d"):format(3, mode)..": "..mining_drill_mode_text[mode][1])
-	item["name"]="technic:mining_drill_mk3_"..mode
+    itemstack:set_name("technic:mining_drill_mk3_"..mode);
 	meta["mode"]=mode
-	item["metadata"]=minetest.serialize(meta)
-	itemstack:replace(item)
+    itemstack:set_metadata(minetest.serialize(meta))
 	return itemstack
 end
 
@@ -296,7 +296,7 @@ local function mining_drill_mk2_handler(itemstack, user, pointed_thing)
 	end
 	local charge_to_take = cost_to_use(2, meta.mode)
 	if meta.charge >= charge_to_take then
-		local pos = minetest.get_pointed_thing_position(pointed_thing, above)
+		local pos = minetest.get_pointed_thing_position(pointed_thing, false)
 		drill_dig_it(pos, user, meta.mode)
 		if not technic.creative_mode then
 			meta.charge = meta.charge - charge_to_take
@@ -319,7 +319,7 @@ local function mining_drill_mk3_handler(itemstack, user, pointed_thing)
 	end
 	local charge_to_take = cost_to_use(3, meta.mode)
 	if meta.charge >= charge_to_take then
-		local pos = minetest.get_pointed_thing_position(pointed_thing, above)
+		local pos = minetest.get_pointed_thing_position(pointed_thing, false)
 		drill_dig_it(pos, user, meta.mode)
 		if not technic.creative_mode then
 			meta.charge = meta.charge - charge_to_take
@@ -348,7 +348,7 @@ minetest.register_tool("technic:mining_drill", {
 		end
 		local charge_to_take = cost_to_use(1, 1)
 		if meta.charge >= charge_to_take then
-			local pos = minetest.get_pointed_thing_position(pointed_thing, above)
+			local pos = minetest.get_pointed_thing_position(pointed_thing, false)
 			drill_dig_it(pos, user, 1)
 			if not technic.creative_mode then
 				meta.charge = meta.charge - charge_to_take