clean-up the new wall-lever models

better UV-mapping, less distortion
redid textures to match

mesecons/actionqueue.lua

@@ -0,0 +1,118 @@
+mesecon.queue.actions={} -- contains all ActionQueue actions
+
+function mesecon.queue:add_function(name, func)
+	mesecon.queue.funcs[name] = func
+end
+
+-- If add_action with twice the same overwritecheck and same position are called, the first one is overwritten
+-- use overwritecheck nil to never overwrite, but just add the event to the queue
+-- priority specifies the order actions are executed within one globalstep, highest first
+-- should be between 0 and 1
+function mesecon.queue:add_action(pos, func, params, time, overwritecheck, priority)
+	-- Create Action Table:
+	time = time or 0 -- time <= 0 --> execute, time > 0 --> wait time until execution
+	priority = priority or 1
+	local action = {	pos=mesecon.tablecopy(pos),
+				func=func,
+				params=mesecon.tablecopy(params or {}),
+				time=time,
+				owcheck=(overwritecheck and mesecon.tablecopy(overwritecheck)) or nil,
+				priority=priority}
+
+	local toremove = nil
+	-- Otherwise, add the action to the queue
+	if overwritecheck then -- check if old action has to be overwritten / removed:
+		for i, ac in ipairs(mesecon.queue.actions) do
+			if(mesecon.cmpPos(pos, ac.pos)
+			and mesecon.cmpAny(overwritecheck, ac.owcheck)) then
+				toremove = i
+				break
+			end
+		end
+	end
+
+	if (toremove ~= nil) then
+		table.remove(mesecon.queue.actions, toremove)
+	end
+
+	table.insert(mesecon.queue.actions, action)
+end
+
+-- execute the stored functions on a globalstep
+-- if however, the pos of a function is not loaded (get_node_or_nil == nil), do NOT execute the function
+-- this makes sure that resuming mesecons circuits when restarting minetest works fine
+-- However, even that does not work in some cases, that's why we delay the time the globalsteps
+-- start to be execute by 5 seconds
+local get_highest_priority = function (actions)
+	local highestp = -1
+	local highesti
+	for i, ac in ipairs(actions) do
+		if ac.priority > highestp then
+			highestp = ac.priority
+			highesti = i
+		end
+	end
+
+	return highesti
+end
+
+local m_time = 0
+local resumetime = mesecon.setting("resumetime", 4)
+minetest.register_globalstep(function (dtime)
+	m_time = m_time + dtime
+	-- don't even try if server has not been running for XY seconds; resumetime = time to wait
+	-- after starting the server before processing the ActionQueue, don't set this too low
+	if (m_time < resumetime) then return end
+	local actions = mesecon.tablecopy(mesecon.queue.actions)
+	local actions_now={}
+
+	mesecon.queue.actions = {}
+
+	-- sort actions into two categories:
+	-- those toexecute now (actions_now) and those to execute later (mesecon.queue.actions)
+	for i, ac in ipairs(actions) do
+		if ac.time > 0 then
+			ac.time = ac.time - dtime -- executed later
+			table.insert(mesecon.queue.actions, ac)
+		else
+			table.insert(actions_now, ac)
+		end
+	end
+
+	while(#actions_now > 0) do -- execute highest priorities first, until all are executed
+		local hp = get_highest_priority(actions_now)
+		mesecon.queue:execute(actions_now[hp])
+		table.remove(actions_now, hp)
+	end
+end)
+
+function mesecon.queue:execute(action)
+	mesecon.queue.funcs[action.func](action.pos, unpack(action.params))
+end
+
+
+-- Store and read the ActionQueue to / from a file
+-- so that upcoming actions are remembered when the game
+-- is restarted
+
+local wpath = minetest.get_worldpath()
+local function file2table(filename)
+	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)
+end
+
+local function table2file(filename, table)
+	local f = io.open(filename, "w")
+	f:write(minetest.serialize(table))
+	f:close()
+end
+
+mesecon.queue.actions = file2table(wpath.."/mesecon_actionqueue")
+
+minetest.register_on_shutdown(function()
+	mesecon.queue.actions = table2file(wpath.."/mesecon_actionqueue", mesecon.queue.actions)
+end)

mesecons/init.lua

@@ -39,53 +39,26 @@
 --	}
 --}
 
-
 -- PUBLIC VARIABLES
 mesecon={} -- contains all functions and all global variables
-mesecon.actions_on={} -- Saves registered function callbacks for mesecon on | DEPRECATED
-mesecon.actions_off={} -- Saves registered function callbacks for mesecon off | DEPRECATED
-mesecon.actions_change={} -- Saves registered function callbacks for mesecon change | DEPRECATED
-mesecon.receptors={} --  saves all information about receptors  | DEPRECATED
-mesecon.effectors={} --  saves all information about effectors  | DEPRECATED
-mesecon.conductors={} -- saves all information about conductors | DEPRECATED
-
-
-local wpath = minetest.get_worldpath()
-local function read_file(fn)
-	local f = io.open(fn, "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)
-end
-
-local function write_file(fn, tbl)
-	local f = io.open(fn, "w")
-	f:write(minetest.serialize(tbl))
-	f:close()
-end
-
-mesecon.to_update = read_file(wpath.."/mesecon_to_update")
-mesecon.r_to_update = read_file(wpath.."/mesecon_r_to_update")
-
-minetest.register_on_shutdown(function()
-	write_file(wpath.."/mesecon_to_update",mesecon.to_update)
-	write_file(wpath.."/mesecon_r_to_update",mesecon.r_to_update)
-end)
+mesecon.queue={} -- contains the ActionQueue
+mesecon.queue.funcs={} -- contains all ActionQueue functions
 
 -- Settings
 dofile(minetest.get_modpath("mesecons").."/settings.lua")
 
--- Presets (eg default rules)
-dofile(minetest.get_modpath("mesecons").."/presets.lua");
-
-
 -- Utilities like comparing positions,
 -- adding positions and rules,
 -- mostly things that make the source look cleaner
 dofile(minetest.get_modpath("mesecons").."/util.lua");
 
+-- Presets (eg default rules)
+dofile(minetest.get_modpath("mesecons").."/presets.lua");
+
+-- The ActionQueue
+-- Saves all the actions that have to be execute in the future
+dofile(minetest.get_modpath("mesecons").."/actionqueue.lua");
+
 -- Internal stuff
 -- This is the most important file
 -- it handles signal transmission and basically everything else
@@ -93,62 +66,72 @@ dofile(minetest.get_modpath("mesecons").."/util.lua");
 -- like calling action_on/off/change
 dofile(minetest.get_modpath("mesecons").."/internal.lua");
 
--- Deprecated stuff
--- To be removed in future releases
--- Currently there is nothing here
-dofile(minetest.get_modpath("mesecons").."/legacy.lua");
-
 -- API
 -- these are the only functions you need to remember
 
-function mesecon:receptor_on_i(pos, rules)
+mesecon.queue:add_function("receptor_on", function (pos, rules)
 	rules = rules or mesecon.rules.default
 
-	for _, rule in ipairs(mesecon:flattenrules(rules)) do
-		local np = mesecon:addPosRule(pos, rule)
-		local rulenames = mesecon:rules_link_rule_all(pos, rule)
+	-- if area (any of the rule targets) is not loaded, keep trying and call this again later
+	for _, rule in ipairs(mesecon.flattenrules(rules)) do
+		local np = mesecon.addPosRule(pos, rule)
+		-- if area is not loaded, keep trying
+		if minetest.get_node_or_nil(np) == nil then
+			mesecon.queue:add_action(pos, "receptor_on", {rules}, nil, rules)
+			return
+		end
+	end
+
+	-- execute action
+	for _, rule in ipairs(mesecon.flattenrules(rules)) do
+		local np = mesecon.addPosRule(pos, rule)
+		local rulenames = mesecon.rules_link_rule_all(pos, rule)
 		for _, rulename in ipairs(rulenames) do
-			mesecon:turnon(np, rulename)
+			mesecon.turnon(np, rulename)
 		end
 	end
+end)
+
+function mesecon.receptor_on(pos, rules)
+	mesecon.queue:add_action(pos, "receptor_on", {rules}, nil, rules)
 end
 
-function mesecon:receptor_on(pos, rules)
-	if MESECONS_GLOBALSTEP then
+mesecon.queue:add_function("receptor_off", function (pos, rules)
 	rules = rules or mesecon.rules.default
-		mesecon.r_to_update[#mesecon.r_to_update+1]={pos=pos, rules=rules, action="on"}
-	else
-		mesecon:receptor_on_i(pos, rules)
-	end
-end
 
-function mesecon:receptor_off_i(pos, rules)
-	rules = rules or mesecon.rules.default
-	for _, rule in ipairs(mesecon:flattenrules(rules)) do
-		local np = mesecon:addPosRule(pos, rule)
-		local rulenames = mesecon:rules_link_rule_all(pos, rule)
+	-- if area (any of the rule targets) is not loaded, keep trying and call this again later
+	for _, rule in ipairs(mesecon.flattenrules(rules)) do
+		local np = mesecon.addPosRule(pos, rule)
+		if minetest.get_node_or_nil(np) == nil then
+			mesecon.queue:add_action(pos, "receptor_off", {rules}, nil, rules)
+			return
+		end
+	end
+
+	for _, rule in ipairs(mesecon.flattenrules(rules)) do
+		local np = mesecon.addPosRule(pos, rule)
+		local rulenames = mesecon.rules_link_rule_all(pos, rule)
 		for _, rulename in ipairs(rulenames) do
-			if not mesecon:connected_to_receptor(np, mesecon:invertRule(rule)) then
-				mesecon:turnoff(np, rulename)
+			if not mesecon.connected_to_receptor(np, mesecon.invertRule(rule)) then
+				mesecon.turnoff(np, rulename)
 			else
-				mesecon:changesignal(np, minetest.get_node(np), rulename, mesecon.state.off)
+				mesecon.changesignal(np, minetest.get_node(np), rulename, mesecon.state.off, 2)
 			end
 		end
 	end
-end
+end)
 
-function mesecon:receptor_off(pos, rules)
-	if MESECONS_GLOBALSTEP then
-		rules = rules or mesecon.rules.default
-		mesecon.r_to_update[#mesecon.r_to_update+1]={pos=pos, rules=rules, action="off"}
-	else
-		mesecon:receptor_off_i(pos, rules)
-	end
+function mesecon.receptor_off(pos, rules)
+	mesecon.queue:add_action(pos, "receptor_off", {rules}, nil, rules)
 end
 
 
 print("[OK] Mesecons")
 
+-- Deprecated stuff
+-- To be removed in future releases
+dofile(minetest.get_modpath("mesecons").."/legacy.lua");
+
 --The actual wires
 dofile(minetest.get_modpath("mesecons").."/wires.lua");
 

mesecons/internal.lua

@@ -1,62 +1,58 @@
 -- Internal.lua - The core of mesecons
 --
--- For more practical developer resources see mesecons.tk
+-- For more practical developer resources see http://mesecons.net/developers.php
 --
 -- Function overview
--- mesecon:get_effector(nodename)     --> Returns the mesecons.effector -specifictation in the nodedef by the nodename
--- mesecon:get_receptor(nodename)     --> Returns the mesecons.receptor -specifictation in the nodedef by the nodename
--- mesecon:get_conductor(nodename)    --> Returns the mesecons.conductor-specifictation in the nodedef by the nodename
--- mesecon:get_any_inputrules (node)  --> Returns the rules of a node if it is a conductor or an effector
--- mesecon:get_any_outputrules (node) --> Returns the rules of a node if it is a conductor or a receptor
+-- mesecon.get_effector(nodename)	--> Returns the mesecons.effector -specifictation in the nodedef by the nodename
+-- mesecon.get_receptor(nodename)	--> Returns the mesecons.receptor -specifictation in the nodedef by the nodename
+-- mesecon.get_conductor(nodename)	--> Returns the mesecons.conductor-specifictation in the nodedef by the nodename
+-- mesecon.get_any_inputrules (node)	--> Returns the rules of a node if it is a conductor or an effector
+-- mesecon.get_any_outputrules (node)	--> Returns the rules of a node if it is a conductor or a receptor
 
 -- RECEPTORS
--- mesecon:is_receptor(nodename)     --> Returns true if nodename is a receptor
--- mesecon:is_receptor_on(nodename)  --> Returns true if nodename is an receptor with state = mesecon.state.on
--- mesecon:is_receptor_off(nodename) --> Returns true if nodename is an receptor with state = mesecon.state.off
--- mesecon:receptor_get_rules(node)  --> Returns the rules of the receptor (mesecon.rules.default if none specified)
+-- mesecon.is_receptor(nodename)	--> Returns true if nodename is a receptor
+-- mesecon.is_receptor_on(nodename	--> Returns true if nodename is an receptor with state = mesecon.state.on
+-- mesecon.is_receptor_off(nodename)	--> Returns true if nodename is an receptor with state = mesecon.state.off
+-- mesecon.receptor_get_rules(node)	--> Returns the rules of the receptor (mesecon.rules.default if none specified)
 
 -- EFFECTORS
--- mesecon:is_effector(nodename)     --> Returns true if nodename is an effector
--- mesecon:is_effector_on(nodename)  --> Returns true if nodename is an effector with nodedef.mesecons.effector.action_off
--- mesecon:is_effector_off(nodename) --> Returns true if nodename is an effector with nodedef.mesecons.effector.action_on
--- mesecon:effector_get_rules(node)  --> Returns the input rules of the effector (mesecon.rules.default if none specified)
+-- mesecon.is_effector(nodename)	--> Returns true if nodename is an effector
+-- mesecon.is_effector_on(nodename)	--> Returns true if nodename is an effector with nodedef.mesecons.effector.action_off
+-- mesecon.is_effector_off(nodename)	--> Returns true if nodename is an effector with nodedef.mesecons.effector.action_on
+-- mesecon.effector_get_rules(node)	--> Returns the input rules of the effector (mesecon.rules.default if none specified)
 
 -- SIGNALS
--- mesecon:activate(pos, node)     --> Activates   the effector node at the specific pos (calls nodedef.mesecons.effector.action_on)
--- mesecon:deactivate(pos, node)   --> Deactivates the effector node at the specific pos (calls nodedef.mesecons.effector.action_off)
--- mesecon:changesignal(pos, node, rulename, newstate) --> Changes     the effector node at the specific pos (calls nodedef.mesecons.effector.action_change)
-
--- RULES
--- mesecon:add_rules(name, rules) | deprecated? --> Saves rules table by name
--- mesecon:get_rules(name, rules) | deprecated? --> Loads rules table with name
+-- mesecon.activate(pos, node, depth)				--> Activates   the effector node at the specific pos (calls nodedef.mesecons.effector.action_on), higher depths are executed later
+-- mesecon.deactivate(pos, node, depth)				--> Deactivates the effector node at the specific pos (calls nodedef.mesecons.effector.action_off), higher depths are executed later
+-- mesecon.changesignal(pos, node, rulename, newstate, depth)	--> Changes     the effector node at the specific pos (calls nodedef.mesecons.effector.action_change), higher depths are executed later
 
 -- CONDUCTORS
--- mesecon:is_conductor(nodename)     --> Returns true if nodename is a conductor
--- mesecon:is_conductor_on(node)  --> Returns true if node is a conductor with state = mesecon.state.on
--- mesecon:is_conductor_off(node) --> Returns true if node is a conductor with state = mesecon.state.off
--- mesecon:get_conductor_on(node_off) --> Returns the onstate  nodename of the conductor
--- mesecon:get_conductor_off(node_on) --> Returns the offstate nodename of the conductor
--- mesecon:conductor_get_rules(node)  --> Returns the input+output rules of a conductor (mesecon.rules.default if none specified)
+-- mesecon.is_conductor(nodename)	--> Returns true if nodename is a conductor
+-- mesecon.is_conductor_on(node		--> Returns true if node is a conductor with state = mesecon.state.on
+-- mesecon.is_conductor_off(node)	--> Returns true if node is a conductor with state = mesecon.state.off
+-- mesecon.get_conductor_on(node_off)	--> Returns the onstate  nodename of the conductor
+-- mesecon.get_conductor_off(node_on)	--> Returns the offstate nodename of the conductor
+-- mesecon.conductor_get_rules(node)	--> Returns the input+output rules of a conductor (mesecon.rules.default if none specified)
 
 -- HIGH-LEVEL Internals
--- mesecon:is_power_on(pos)             --> Returns true if pos emits power in any way
--- mesecon:is_power_off(pos)            --> Returns true if pos does not emit power in any way
--- mesecon:turnon(pos, rulename)        --> Returns true  whatever there is at pos. Calls itself for connected nodes (if pos is a conductor) --> recursive, the rulename is the name of the input rule that caused calling turnon
--- mesecon:turnoff(pos, rulename)       --> Turns off whatever there is at pos. Calls itself for connected nodes (if pos is a conductor) --> recursive, the rulename is the name of the input rule that caused calling turnoff
--- mesecon:connected_to_receptor(pos)   --> Returns true if pos is connected to a receptor directly or via conductors; calls itself if pos is a conductor --> recursive
--- mesecon:rules_link(output, input, dug_outputrules) --> Returns true if outputposition + outputrules = inputposition and inputposition + inputrules = outputposition (if the two positions connect)
--- mesecon:rules_link_anydir(outp., inp., d_outpr.)   --> Same as rules mesecon:rules_link but also returns true if output and input are swapped
--- mesecon:is_powered(pos)              --> Returns true if pos is powered by a receptor or a conductor
+-- mesecon.is_power_on(pos)				--> Returns true if pos emits power in any way
+-- mesecon.is_power_off(pos)				--> Returns true if pos does not emit power in any way
+-- mesecon.turnon(pos, link) 				--> link is the input rule that caused calling turnon, turns on every connected node, iterative
+-- mesecon.turnoff(pos, link)				--> link is the input rule that caused calling turnoff, turns off every connected node, iterative
+-- mesecon.connected_to_receptor(pos, link)		--> Returns true if pos is connected to a receptor directly or via conductors, iterative
+-- mesecon.rules_link(output, input, dug_outputrules)	--> Returns true if outputposition + outputrules = inputposition and inputposition + inputrules = outputposition (if the two positions connect)
+-- mesecon.rules_link_anydir(outp., inp., d_outpr.)	--> Same as rules mesecon.rules_link but also returns true if output and input are swapped
+-- mesecon.is_powered(pos)				--> Returns true if pos is powered by a receptor or a conductor
 
--- RULES ROTATION helpsers
--- mesecon:rotate_rules_right(rules)
--- mesecon:rotate_rules_left(rules)
--- mesecon:rotate_rules_up(rules)
--- mesecon:rotate_rules_down(rules)
+-- RULES ROTATION helpers
+-- mesecon.rotate_rules_right(rules)
+-- mesecon.rotate_rules_left(rules)
+-- mesecon.rotate_rules_up(rules)
+-- mesecon.rotate_rules_down(rules)
 -- These functions return rules that have been rotated in the specific direction
 
 -- General
-function mesecon:get_effector(nodename)
+function mesecon.get_effector(nodename)
 	if  minetest.registered_nodes[nodename]
 	and minetest.registered_nodes[nodename].mesecons
 	and minetest.registered_nodes[nodename].mesecons.effector then
@@ -64,7 +60,7 @@ function mesecon:get_effector(nodename)
 	end
 end
 
-function mesecon:get_receptor(nodename)
+function mesecon.get_receptor(nodename)
 	if  minetest.registered_nodes[nodename]
 	and minetest.registered_nodes[nodename].mesecons
 	and minetest.registered_nodes[nodename].mesecons.receptor then
@@ -72,7 +68,7 @@ function mesecon:get_receptor(nodename)
 	end
 end
 
-function mesecon:get_conductor(nodename)
+function mesecon.get_conductor(nodename)
 	if  minetest.registered_nodes[nodename]
 	and minetest.registered_nodes[nodename].mesecons
 	and minetest.registered_nodes[nodename].mesecons.conductor then
@@ -80,52 +76,55 @@ function mesecon:get_conductor(nodename)
 	end
 end
 
-function mesecon:get_any_outputrules (node)
-	if mesecon:is_conductor(node.name) then
-		return mesecon:conductor_get_rules(node)
-	elseif mesecon:is_receptor(node.name) then
-		return mesecon:receptor_get_rules(node)
+function mesecon.get_any_outputrules (node)
+	if mesecon.is_conductor(node.name) then
+		return mesecon.conductor_get_rules(node)
+	elseif mesecon.is_receptor(node.name) then
+		return mesecon.receptor_get_rules(node)
 	end
-	return false
 end
 
-function mesecon:get_any_inputrules (node)
-	if mesecon:is_conductor(node.name) then
-		return mesecon:conductor_get_rules(node)
-	elseif mesecon:is_effector(node.name) then
-		return mesecon:effector_get_rules(node)
+function mesecon.get_any_inputrules (node)
+	if mesecon.is_conductor(node.name) then
+		return mesecon.conductor_get_rules(node)
+	elseif mesecon.is_effector(node.name) then
+		return mesecon.effector_get_rules(node)
 	end
-	return false
+end
+
+function mesecon.get_any_rules (node)
+	return mesecon.mergetable(mesecon.get_any_inputrules(node) or {},
+		mesecon.get_any_outputrules(node) or {})
 end
 
 -- Receptors
 -- Nodes that can power mesecons
-function mesecon:is_receptor_on(nodename)
-	local receptor = mesecon:get_receptor(nodename)
+function mesecon.is_receptor_on(nodename)
+	local receptor = mesecon.get_receptor(nodename)
 	if receptor and receptor.state == mesecon.state.on then
 		return true
 	end
 	return false
 end
 
-function mesecon:is_receptor_off(nodename)
-	local receptor = mesecon:get_receptor(nodename)
+function mesecon.is_receptor_off(nodename)
+	local receptor = mesecon.get_receptor(nodename)
 	if receptor and receptor.state == mesecon.state.off then
 		return true
 	end
 	return false
 end
 
-function mesecon:is_receptor(nodename)
-	local receptor = mesecon:get_receptor(nodename)
+function mesecon.is_receptor(nodename)
+	local receptor = mesecon.get_receptor(nodename)
 	if receptor then
 		return true
 	end
 	return false
 end
 
-function mesecon:receptor_get_rules(node)
-	local receptor = mesecon:get_receptor(node.name)
+function mesecon.receptor_get_rules(node)
+	local receptor = mesecon.get_receptor(node.name)
 	if receptor then
 		local rules = receptor.rules
 		if type(rules) == 'function' then
@@ -140,32 +139,32 @@ end
 
 -- Effectors
 -- Nodes that can be powered by mesecons
-function mesecon:is_effector_on(nodename)
-	local effector = mesecon:get_effector(nodename)
+function mesecon.is_effector_on(nodename)
+	local effector = mesecon.get_effector(nodename)
 	if effector and effector.action_off then
 		return true
 	end
 	return false
 end
 
-function mesecon:is_effector_off(nodename)
-	local effector = mesecon:get_effector(nodename)
+function mesecon.is_effector_off(nodename)
+	local effector = mesecon.get_effector(nodename)
 	if effector and effector.action_on then
 		return true
 	end
 	return false
 end
 
-function mesecon:is_effector(nodename)
-	local effector = mesecon:get_effector(nodename)
+function mesecon.is_effector(nodename)
+	local effector = mesecon.get_effector(nodename)
 	if effector then
 		return true
 	end
 	return false
 end
 
-function mesecon:effector_get_rules(node)
-	local effector = mesecon:get_effector(node.name)
+function mesecon.effector_get_rules(node)
+	local effector = mesecon.get_effector(node.name)
 	if effector then
 		local rules = effector.rules
 		if type(rules) == 'function' then
@@ -177,205 +176,156 @@ function mesecon:effector_get_rules(node)
 	return mesecon.rules.default
 end
 
---Signals
+-- #######################
+-- # Signals (effectors) #
+-- #######################
+
+-- Activation:
+mesecon.queue:add_function("activate", function (pos, rulename)
+	local node = minetest.get_node(pos)
+	local effector = mesecon.get_effector(node.name)
 
-function mesecon:activate(pos, node, rulename)
-	if MESECONS_GLOBALSTEP then
-		if rulename == nil then
-			for _,rule in ipairs(mesecon:effector_get_rules(node)) do
-				mesecon:activate(pos, node, rule)
-			end
-			return
-		end
-		add_action(pos, "on", rulename)
-	else
-		local effector = mesecon:get_effector(node.name)
 	if effector and effector.action_on then
-			effector.action_on (pos, node, rulename)
+		effector.action_on(pos, node, rulename)
 	end
-	end
-end
+end)
 
-function mesecon:deactivate(pos, node, rulename)
-	if MESECONS_GLOBALSTEP then
+function mesecon.activate(pos, node, rulename, depth)
 	if rulename == nil then
-			for _,rule in ipairs(mesecon:effector_get_rules(node)) do
-				mesecon:deactivate(pos, node, rule)
+		for _,rule in ipairs(mesecon.effector_get_rules(node)) do
+			mesecon.activate(pos, node, rule, depth + 1)
 		end
 		return
 	end
-		add_action(pos, "off", rulename)
-	else
-		local effector = mesecon:get_effector(node.name)
-		if effector and effector.action_off then
-			effector.action_off (pos, node, rulename)
-		end
-	end
+	mesecon.queue:add_action(pos, "activate", {rulename}, nil, rulename, 1 / depth)
 end
 
-function mesecon:changesignal(pos, node, rulename, newstate)
 
-	newstate = newstate or "on"
-	--rulename = rulename or mesecon.rules.default
-	if MESECONS_GLOBALSTEP then
+-- Deactivation
+mesecon.queue:add_function("deactivate", function (pos, rulename)
+	local node = minetest.get_node(pos)
+	local effector = mesecon.get_effector(node.name)
+
+	if effector and effector.action_off then
+		effector.action_off(pos, node, rulename)
+	end
+end)
+
+function mesecon.deactivate(pos, node, rulename, depth)
 	if rulename == nil then
-			for _,rule in ipairs(mesecon:effector_get_rules(node)) do
-				mesecon:changesignal(pos, node, rule, newstate)
+		for _,rule in ipairs(mesecon.effector_get_rules(node)) do
+			mesecon.deactivate(pos, node, rule, depth + 1)
 		end
 		return
 	end
-		add_action(pos, "c"..newstate, rulename)
-	else
-		local effector = mesecon:get_effector(node.name)
+	mesecon.queue:add_action(pos, "deactivate", {rulename}, nil, rulename, 1 / depth)
+end
+
+
+-- Change
+mesecon.queue:add_function("change", function (pos, rulename, changetype)
+	local node = minetest.get_node(pos)
+	local effector = mesecon.get_effector(node.name)
+
 	if effector and effector.action_change then
-			effector.action_change (pos, node, rulename, newstate)
+		effector.action_change(pos, node, rulename, changetype)
 	end
-	end
-end
+end)
 
-function execute_actions(dtime)
-	local nactions = mesecon.to_update
-	mesecon.to_update = {}
-	for _,i in ipairs(nactions) do
-		node = minetest.get_node(i.pos)
-		if node.name=="ignore" then
-			add_action(i.pos, i.action, i.rname)
-		else
-			effector = mesecon:get_effector(node.name)
-			if i.action == "on" then
-				if effector and effector.action_on then
-					effector.action_on(i.pos, node, i.rname)
-				end
-			elseif i.action == "off" then
-				if effector and effector.action_off then
-					effector.action_off(i.pos, node, i.rname)
-				end
-			elseif i.action == "con" then
-				if effector and effector.action_change then
-					effector.action_change(i.pos, node, i.rname, "on")
-				end
-			elseif i.action == "coff" then
-				if effector and effector.action_change then
-					effector.action_change(i.pos, node, i.rname, "off")
-				end
-			end
-		end
-	end
-	local nactions = mesecon.r_to_update
-	mesecon.r_to_update = {}
-	for _,i in ipairs(nactions) do
-		if i.action == "on" then
-			mesecon:receptor_on_i(i.pos, i.rules)
-		else
-			mesecon:receptor_off_i(i.pos,i.rules)
-		end
-	end
-end
-
-minetest.register_globalstep(execute_actions)
-
-function add_action(pos, action, rname)
-	for i, update in ipairs(mesecon.to_update) do
-		-- check if action for this node already exist, if so correct it:
-		if mesecon:cmpPos(pos, update.pos) and mesecon:cmpPos(update.rname, rname) then
-			mesecon.to_update[i].action = action
-			return -- action added (as correction), so return now
+function mesecon.changesignal(pos, node, rulename, newstate, depth)
+	if rulename == nil then
+		for _,rule in ipairs(mesecon.effector_get_rules(node)) do
+			mesecon.changesignal(pos, node, rule, newstate, depth + 1)
 		end
+		return
 	end
 
-	table.insert(mesecon.to_update, {pos = pos, action = action, rname = rname})
-end
-
---Rules
-
-function mesecon:add_rules(name, rules)
-	mesecon.rules[name] = rules
-end
-
-function mesecon:get_rules(name)
-	return mesecon.rules[name]
+	-- Include "change" in overwritecheck so that it cannot be overwritten
+	-- by "active" / "deactivate" that will be called upon the node at the same time.
+	local overwritecheck = {"change", rulename}
+	mesecon.queue:add_action(pos, "change", {rulename, newstate}, nil, overwritecheck, 1 / depth)
 end
 
 -- Conductors
 
-function mesecon:is_conductor_on(node, rulename)
-	local conductor = mesecon:get_conductor(node.name)
+function mesecon.is_conductor_on(node, rulename)
+	local conductor = mesecon.get_conductor(node.name)
 	if conductor then
 		if conductor.state then
 			return conductor.state == mesecon.state.on
 		end
 		if conductor.states then
 			if not rulename then
-				return mesecon:getstate(node.name, conductor.states) ~= 1
+				return mesecon.getstate(node.name, conductor.states) ~= 1
 			end
-			local bit = mesecon:rule2bit(rulename, mesecon:conductor_get_rules(node))
-			local binstate = mesecon:getbinstate(node.name, conductor.states)
-			return mesecon:get_bit(binstate, bit)
+			local bit = mesecon.rule2bit(rulename, mesecon.conductor_get_rules(node))
+			local binstate = mesecon.getbinstate(node.name, conductor.states)
+			return mesecon.get_bit(binstate, bit)
 		end
 	end
 	return false
 end
 
-function mesecon:is_conductor_off(node, rulename)
-	local conductor = mesecon:get_conductor(node.name)
+function mesecon.is_conductor_off(node, rulename)
+	local conductor = mesecon.get_conductor(node.name)
 	if conductor then
 		if conductor.state then
 			return conductor.state == mesecon.state.off
 		end
 		if conductor.states then
 			if not rulename then
-				return mesecon:getstate(node.name, conductor.states) == 1
+				return mesecon.getstate(node.name, conductor.states) == 1
 			end
-			local bit = mesecon:rule2bit(rulename, mesecon:conductor_get_rules(node))
-			local binstate = mesecon:getbinstate(node.name, conductor.states)
-			return not mesecon:get_bit(binstate, bit)
+			local bit = mesecon.rule2bit(rulename, mesecon.conductor_get_rules(node))
+			local binstate = mesecon.getbinstate(node.name, conductor.states)
+			return not mesecon.get_bit(binstate, bit)
 		end
 	end
 	return false
 end
 
-function mesecon:is_conductor(nodename)
-	local conductor = mesecon:get_conductor(nodename)
+function mesecon.is_conductor(nodename)
+	local conductor = mesecon.get_conductor(nodename)
 	if conductor then
 		return true
 	end
 	return false
 end
 
-function mesecon:get_conductor_on(node_off, rulename)
-	local conductor = mesecon:get_conductor(node_off.name)
+function mesecon.get_conductor_on(node_off, rulename)
+	local conductor = mesecon.get_conductor(node_off.name)
 	if conductor then
 		if conductor.onstate then
 			return conductor.onstate
 		end
 		if conductor.states then
-			local bit = mesecon:rule2bit(rulename, mesecon:conductor_get_rules(node_off))
-			local binstate = mesecon:getbinstate(node_off.name, conductor.states)
-			binstate = mesecon:set_bit(binstate, bit, "1")
+			local bit = mesecon.rule2bit(rulename, mesecon.conductor_get_rules(node_off))
+			local binstate = mesecon.getbinstate(node_off.name, conductor.states)
+			binstate = mesecon.set_bit(binstate, bit, "1")
 			return conductor.states[tonumber(binstate,2)+1]
 		end
 	end
 	return offstate
 end
 
-function mesecon:get_conductor_off(node_on, rulename)
-	local conductor = mesecon:get_conductor(node_on.name)
+function mesecon.get_conductor_off(node_on, rulename)
+	local conductor = mesecon.get_conductor(node_on.name)
 	if conductor then
 		if conductor.offstate then
 			return conductor.offstate
 		end
 		if conductor.states then
-			local bit = mesecon:rule2bit(rulename, mesecon:conductor_get_rules(node_on))
-			local binstate = mesecon:getbinstate(node_on.name, conductor.states)
-			binstate = mesecon:set_bit(binstate, bit, "0")
+			local bit = mesecon.rule2bit(rulename, mesecon.conductor_get_rules(node_on))
+			local binstate = mesecon.getbinstate(node_on.name, conductor.states)
+			binstate = mesecon.set_bit(binstate, bit, "0")
 			return conductor.states[tonumber(binstate,2)+1]
 		end
 	end
 	return onstate
 end
 
-function mesecon:conductor_get_rules(node)
-	local conductor = mesecon:get_conductor(node.name)
+function mesecon.conductor_get_rules(node)
+	local conductor = mesecon.get_conductor(node.name)
 	if conductor then
 		local rules = conductor.rules
 		if type(rules) == 'function' then
@@ -389,101 +339,127 @@ end
 
 -- some more general high-level stuff
 
-function mesecon:is_power_on(pos, rulename)
+function mesecon.is_power_on(pos, rulename)
 	local node = minetest.get_node(pos)
-	if mesecon:is_conductor_on(node, rulename) or mesecon:is_receptor_on(node.name) then
+	if mesecon.is_conductor_on(node, rulename) or mesecon.is_receptor_on(node.name) then
 		return true
 	end
 	return false
 end
 
-function mesecon:is_power_off(pos, rulename)
+function mesecon.is_power_off(pos, rulename)
 	local node = minetest.get_node(pos)
-	if mesecon:is_conductor_off(node, rulename) or mesecon:is_receptor_off(node.name) then
+	if mesecon.is_conductor_off(node, rulename) or mesecon.is_receptor_off(node.name) then
 		return true
 	end
 	return false
 end
 
-function mesecon:turnon(pos, rulename)
-	local node = minetest.get_node(pos)
+function mesecon.turnon(pos, link)
+	local frontiers = {{pos = pos, link = link}}
 
-	if mesecon:is_conductor_off(node, rulename) then
-		local rules = mesecon:conductor_get_rules(node)
+	local depth = 1
+	while frontiers[depth] do
+		local f = frontiers[depth]
+		local node = minetest.get_node_or_nil(f.pos)
 
-		if not rulename then
-			for _, rule in ipairs(mesecon:flattenrules(rules)) do
-				if mesecon:connected_to_receptor(pos, rule) then
-					mesecon:turnon(pos, rule)
-				end
-			end
-			return
-		end
+		-- area not loaded, postpone action
+		if not node then
+			mesecon.queue:add_action(f.pos, "turnon", {link}, nil, true)
+		elseif mesecon.is_conductor_off(node, f.link) then
+			local rules = mesecon.conductor_get_rules(node)
 
-		minetest.swap_node(pos, {name = mesecon:get_conductor_on(node, rulename), param2 = node.param2})
+			minetest.swap_node(f.pos, {name = mesecon.get_conductor_on(node, f.link),
+				param2 = node.param2})
 
-		for _, rule in ipairs(mesecon:rule2meta(rulename, rules)) do
-			local np = mesecon:addPosRule(pos, rule)
-			local rulenames = mesecon:rules_link_rule_all(pos, rule)
+			-- call turnon on neighbors: normal rules
+			for _, r in ipairs(mesecon.rule2meta(f.link, rules)) do
+				local np = mesecon.addPosRule(f.pos, r)
 
-			for _, rulename in ipairs(rulenames) do
-				mesecon:turnon(np, rulename)
+				-- area not loaded, postpone action
+				if not minetest.get_node_or_nil(np) then
+					mesecon.queue:add_action(np, "turnon", {rulename},
+						nil, true)
+				else
+					local links = mesecon.rules_link_rule_all(f.pos, r)
+					for _, l in ipairs(links) do
+						table.insert(frontiers, {pos = np, link = l})
 					end
 				end
-	elseif mesecon:is_effector(node.name) then
-		mesecon:changesignal(pos, node, rulename, mesecon.state.on)
-		if mesecon:is_effector_off(node.name) then
-			mesecon:activate(pos, node, rulename)
 			end
+		elseif mesecon.is_effector(node.name) then
+			mesecon.changesignal(f.pos, node, f.link, mesecon.state.on, depth)
+			if mesecon.is_effector_off(node.name) then
+				mesecon.activate(f.pos, node, f.link, depth)
+			end
+		end
+		depth = depth + 1
 	end
 end
 
-function mesecon:turnoff(pos, rulename)
-	local node = minetest.get_node(pos)
+mesecon.queue:add_function("turnon", function (pos, rulename, recdepth)
+	mesecon.turnon(pos, rulename, recdepth)
+end)
 
-	if mesecon:is_conductor_on(node, rulename) then
-		local rules = mesecon:conductor_get_rules(node)
-		--[[
-		if not rulename then
-			for _, rule in ipairs(mesecon:flattenrules(rules)) do
-				if mesecon:is_powered(pos, rule) then
-					mesecon:turnoff(pos, rule)
-				end
-			end
-			return
-		end
-		--]]
-		minetest.swap_node(pos, {name = mesecon:get_conductor_off(node, rulename), param2 = node.param2})
+function mesecon.turnoff(pos, link)
+	local frontiers = {{pos = pos, link = link}}
 
-		for _, rule in ipairs(mesecon:rule2meta(rulename, rules)) do
-			local np = mesecon:addPosRule(pos, rule)
-			local rulenames = mesecon:rules_link_rule_all(pos, rule)
+	local depth = 1
+	while frontiers[depth] do
+		local f = frontiers[depth]
+		local node = minetest.get_node_or_nil(f.pos)
 
-			for _, rulename in ipairs(rulenames) do
-				mesecon:turnoff(np, rulename)
+		-- area not loaded, postpone action
+		if not node then
+			mesecon.queue:add_action(f.pos, "turnoff", {link}, nil, true)
+		elseif mesecon.is_conductor_on(node, f.link) then
+			local rules = mesecon.conductor_get_rules(node)
+
+			minetest.swap_node(f.pos, {name = mesecon.get_conductor_off(node, f.link),
+				param2 = node.param2})
+
+			-- call turnoff on neighbors: normal rules
+			for _, r in ipairs(mesecon.rule2meta(f.link, rules)) do
+				local np = mesecon.addPosRule(f.pos, r)
+
+				-- area not loaded, postpone action
+				if not minetest.get_node_or_nil(np) then
+					mesecon.queue:add_action(np, "turnoff", {rulename},
+						nil, true)
+				else
+					local links = mesecon.rules_link_rule_all(f.pos, r)
+					for _, l in ipairs(links) do
+						table.insert(frontiers, {pos = np, link = l})
 					end
 				end
-	elseif mesecon:is_effector(node.name) then
-		mesecon:changesignal(pos, node, rulename, mesecon.state.off)
-		if mesecon:is_effector_on(node.name)
-		and not mesecon:is_powered(pos) then
-			mesecon:deactivate(pos, node, rulename)
 			end
+		elseif mesecon.is_effector(node.name) then
+			mesecon.changesignal(f.pos, node, f.link, mesecon.state.off, depth)
+			if mesecon.is_effector_on(node.name) and not mesecon.is_powered(f.pos) then
+				mesecon.deactivate(f.pos, node, f.link, depth)
+			end
+		end
+		depth = depth + 1
 	end
 end
 
+mesecon.queue:add_function("turnoff", function (pos, rulename, recdepth)
+	mesecon.turnoff(pos, rulename, recdepth)
+end)
 
-function mesecon:connected_to_receptor(pos, rulename)
+
+function mesecon.connected_to_receptor(pos, link)
 	local node = minetest.get_node(pos)
 
 	-- Check if conductors around are connected
-	local rules = mesecon:get_any_inputrules(node)
+	local rules = mesecon.get_any_inputrules(node)
 	if not rules then return false end
 
-	for _, rule in ipairs(mesecon:rule2meta(rulename, rules)) do
-		local np = mesecon:addPosRule(pos, rule)
-		if mesecon:rules_link(np, pos) then
-			if mesecon:find_receptor_on(np, {}, mesecon:invertRule(rule)) then
+	for _, rule in ipairs(mesecon.rule2meta(link, rules)) do
+		local links = mesecon.rules_link_rule_all_inverted(pos, rule)
+		for _, l in ipairs(links) do
+			local np = mesecon.addPosRule(pos, l)
+			if mesecon.find_receptor_on(np, mesecon.invertRule(l)) then
 				return true
 			end
 		end
@@ -492,205 +468,185 @@ function mesecon:connected_to_receptor(pos, rulename)
 	return false
 end
 
-function mesecon:find_receptor_on(pos, checked, rulename)
-	local node = minetest.get_node(pos)
+function mesecon.find_receptor_on(pos, link)
+	local frontiers = {{pos = pos, link = link}}
+	local checked = {}
 
-	if mesecon:is_receptor_on(node.name) then
-		-- add current position to checked
-		table.insert(checked, {x=pos.x, y=pos.y, z=pos.z})
-		return true
+	-- List of positions that have been searched for onstate receptors
+	local depth = 1
+	while frontiers[depth] do
+		local f = frontiers[depth]
+		local node = minetest.get_node_or_nil(f.pos)
+
+		if not node then return false end
+		if mesecon.is_receptor_on(node.name) then return true end
+		if mesecon.is_conductor_on(node, f.link) then
+			local rules = mesecon.conductor_get_rules(node)
+
+			-- call turnoff on neighbors: normal rules
+			for _, r in ipairs(mesecon.rule2meta(f.link, rules)) do
+				local np = mesecon.addPosRule(f.pos, r)
+
+				local links = mesecon.rules_link_rule_all_inverted(f.pos, r)
+				for _, l in ipairs(links) do
+					local checkedstring = np.x..np.y..np.z..l.x..l.y..l.z
+					if not checked[checkedstring] then
+						table.insert(frontiers, {pos = np, link = l})
+						checked[checkedstring] = true
+					end
+				end
 			end
 			
-	if mesecon:is_conductor(node.name) then
-		local rules = mesecon:conductor_get_rules(node)
-		local metaindex = mesecon:rule2metaindex(rulename, rules)
-		-- find out if node has already been checked (to prevent from endless loop)
-		for _, cp in ipairs(checked) do
-			if mesecon:cmpPos(cp, pos) and cp.metaindex == metaindex then
-				return false, checked
 		end
+		depth = depth + 1
 	end
-		-- add current position to checked
-		table.insert(checked, {x=pos.x, y=pos.y, z=pos.z, metaindex = metaindex})
-		for _, rule in ipairs(mesecon:rule2meta(rulename, rules)) do
-			local np = mesecon:addPosRule(pos, rule)
-			if mesecon:rules_link(np, pos) then
-				if mesecon:find_receptor_on(np, checked, mesecon:invertRule(rule)) then
-					return true
-				end
-			end
-		end
-	else
-		-- find out if node has already been checked (to prevent from endless loop)
-		for _, cp in ipairs(checked) do
-			if mesecon:cmpPos(cp, pos) then
-				return false, checked
-			end
-		end
-		table.insert(checked, {x=pos.x, y=pos.y, z=pos.z})
-	end
-
-	return false
 end
 
-function mesecon:rules_link(output, input, dug_outputrules) --output/input are positions (outputrules optional, used if node has been dug), second return value: the name of the affected input rule
+function mesecon.rules_link(output, input, dug_outputrules) --output/input are positions (outputrules optional, used if node has been dug), second return value: the name of the affected input rule
 	local outputnode = minetest.get_node(output)
 	local inputnode = minetest.get_node(input)
-	local outputrules = dug_outputrules or mesecon:get_any_outputrules (outputnode)
-	local inputrules = mesecon:get_any_inputrules (inputnode)
+	local outputrules = dug_outputrules or mesecon.get_any_outputrules (outputnode)
+	local inputrules = mesecon.get_any_inputrules (inputnode)
 	if not outputrules or not inputrules then
 		return
 	end
 
-	for _, outputrule in ipairs(mesecon:flattenrules(outputrules)) do
+	for _, outputrule in ipairs(mesecon.flattenrules(outputrules)) do
 		-- Check if output sends to input
-		if mesecon:cmpPos(mesecon:addPosRule(output, outputrule), input) then
-			for _, inputrule in ipairs(mesecon:flattenrules(inputrules)) do
+		if mesecon.cmpPos(mesecon.addPosRule(output, outputrule), input) then
+			for _, inputrule in ipairs(mesecon.flattenrules(inputrules)) do
 				-- Check if input accepts from output
-				if  mesecon:cmpPos(mesecon:addPosRule(input, inputrule), output) then
-					if inputrule.sx == nil or outputrule.sx == nil or mesecon:cmpSpecial(inputrule, outputrule) then
+				if  mesecon.cmpPos(mesecon.addPosRule(input, inputrule), output) then
 					return true, inputrule
 				end
 			end
 		end
 	end
-	end
 	return false
 end
 
-function mesecon:rules_link_rule_all(output, rule) --output/input are positions (outputrules optional, used if node has been dug), second return value: affected input rules
-	local input = mesecon:addPosRule(output, rule)
+function mesecon.rules_link_rule_all(output, rule)
+	local input = mesecon.addPosRule(output, rule)
 	local inputnode = minetest.get_node(input)
-	local inputrules = mesecon:get_any_inputrules (inputnode)
+	local inputrules = mesecon.get_any_inputrules (inputnode)
 	if not inputrules then
 		return {}
 	end
 	local rules = {}
 	
-	for _, inputrule in ipairs(mesecon:flattenrules(inputrules)) do
+	for _, inputrule in ipairs(mesecon.flattenrules(inputrules)) do
 		-- Check if input accepts from output
-		if  mesecon:cmpPos(mesecon:addPosRule(input, inputrule), output) then
-			if inputrule.sx == nil or rule.sx == nil or mesecon:cmpSpecial(inputrule, rule) then
-				rules[#rules+1] = inputrule
-			end
+		if  mesecon.cmpPos(mesecon.addPosRule(input, inputrule), output) then
+			table.insert(rules, inputrule)
 		end
 	end
 	return rules
 end
 
-function mesecon:rules_link_anydir(pos1, pos2)
-	return mesecon:rules_link(pos1, pos2) or mesecon:rules_link(pos2, pos1)
+function mesecon.rules_link_rule_all_inverted(input, rule)
+	--local irule = mesecon.invertRule(rule)
+	local output = mesecon.addPosRule(input, rule)
+	local outputnode = minetest.get_node(output)
+	local outputrules = mesecon.get_any_outputrules (outputnode)
+	if not outputrules then
+		return {}
+	end
+	local rules = {}
+	
+	for _, outputrule in ipairs(mesecon.flattenrules(outputrules)) do
+		if  mesecon.cmpPos(mesecon.addPosRule(output, outputrule), input) then
+			table.insert(rules, mesecon.invertRule(outputrule))
+		end
+	end
+	return rules
 end
 
-function mesecon:is_powered(pos, rule)
+function mesecon.rules_link_anydir(pos1, pos2)
+	return mesecon.rules_link(pos1, pos2) or mesecon.rules_link(pos2, pos1)
+end
+
+function mesecon.is_powered(pos, rule)
 	local node = minetest.get_node(pos)
-	local rules = mesecon:get_any_inputrules(node)
+	local rules = mesecon.get_any_inputrules(node)
 	if not rules then return false end
 
-	if not rule then
-		for _, rule in ipairs(mesecon:flattenrules(rules)) do
-			local np = mesecon:addPosRule(pos, rule)
-			local nn = minetest.get_node(np)
+	-- List of nodes that send out power to pos
+	local sourcepos = {}
 
-			if (mesecon:is_conductor_on (nn, mesecon:invertRule(rule)) or mesecon:is_receptor_on (nn.name))
-			and mesecon:rules_link(np, pos) then
-				return true
+	if not rule then
+		for _, rule in ipairs(mesecon.flattenrules(rules)) do
+			local rulenames = mesecon.rules_link_rule_all_inverted(pos, rule)
+			for _, rname in ipairs(rulenames) do
+				local np = mesecon.addPosRule(pos, rname)
+				local nn = minetest.get_node(np)
+				if (mesecon.is_conductor_on (nn, mesecon.invertRule(rname))
+				or mesecon.is_receptor_on (nn.name)) then
+					table.insert(sourcepos, np)
+				end
 			end
 		end
 	else
-		local np = mesecon:addPosRule(pos, rule)
+		local rulenames = mesecon.rules_link_rule_all_inverted(pos, rule)
+		for _, rname in ipairs(rulenames) do
+			local np = mesecon.addPosRule(pos, rname)
 			local nn = minetest.get_node(np)
-
-		if (mesecon:is_conductor_on (nn, mesecon:invertRule(rule)) or mesecon:is_receptor_on (nn.name))
-		and mesecon:rules_link(np, pos) then
-			return true
+			if (mesecon.is_conductor_on (nn, mesecon.invertRule(rname))
+			or mesecon.is_receptor_on (nn.name)) then
+				table.insert(sourcepos, np)
+			end
 		end
 	end
 
-	return false
+	-- Return FALSE if not powered, return list of sources if is powered
+	if (#sourcepos == 0) then return false
+	else return sourcepos end
 end
 
 --Rules rotation Functions:
-function mesecon:rotate_rules_right(rules)
+function mesecon.rotate_rules_right(rules)
 	local nr = {}
 	for i, rule in ipairs(rules) do
-		if rule.sx then
 		table.insert(nr, {
 			x = -rule.z, 
 			y =  rule.y, 
 			z =  rule.x,
-				sx = -rule.sz, 
-				sy =  rule.sy, 
-				sz =  rule.sx})
-		else
-			table.insert(nr, {
-				x = -rule.z, 
-				y =  rule.y, 
-				z =  rule.x})
-		end
+			name = rule.name})
 	end
 	return nr
 end
 
-function mesecon:rotate_rules_left(rules)
+function mesecon.rotate_rules_left(rules)
 	local nr = {}
 	for i, rule in ipairs(rules) do
-		if rule.sx then
 		table.insert(nr, {
 			x =  rule.z, 
 			y =  rule.y, 
 			z = -rule.x,
-				sx =  rule.sz, 
-				sy =  rule.sy, 
-				sz = -rule.sx})
-		else
-			table.insert(nr, {
-				x =  rule.z, 
-				y =  rule.y, 
-				z = -rule.x})
-		end
+			name = rule.name})
 	end
 	return nr
 end
 
-function mesecon:rotate_rules_down(rules)
+function mesecon.rotate_rules_down(rules)
 	local nr = {}
 	for i, rule in ipairs(rules) do
-		if rule.sx then
 		table.insert(nr, {
 			x = -rule.y, 
 			y =  rule.x, 
 			z =  rule.z,
-				sx = -rule.sy, 
-				sy =  rule.sx, 
-				sz =  rule.sz})
-		else
-			table.insert(nr, {
-				x = -rule.y, 
-				y =  rule.x, 
-				z =  rule.z})
-		end
+			name = rule.name})
 	end
 	return nr
 end
 
-function mesecon:rotate_rules_up(rules)
+function mesecon.rotate_rules_up(rules)
 	local nr = {}
 	for i, rule in ipairs(rules) do
-		if rule.sx then
 		table.insert(nr, {
 			x =  rule.y, 
 			y = -rule.x, 
 			z =  rule.z,
-				sx =  rule.sy, 
-				sy = -rule.sx, 
-				sz =  rule.sz})
-		else
-			table.insert(nr, {
-				x =  rule.y, 
-				y = -rule.x, 
-				z =  rule.z})
-		end
+			name = rule.name})
 	end
 	return nr
 end

mesecons/legacy.lua

@@ -1,5 +1,30 @@
-minetest.swap_node = minetest.swap_node or function(pos, node)
-	local data = minetest.get_meta(pos):to_table()
-	minetest.add_node(pos, node)
-	minetest.get_meta(pos):from_table(data)
+-- Ugly hack to prevent breaking compatibility with other mods
+-- Just remove the following two functions to delete the hack, to be done when other mods have updated
+function mesecon.receptor_on(self, pos, rules)
+	if (self.receptor_on) then
+		print("[Mesecons] Warning: A mod with mesecon support called mesecon:receptor_on.")
+		print("[Mesecons]          If you are the programmer of this mod, please update it ")
+		print("[Mesecons]          to use mesecon.receptor_on instead. mesecon:* is deprecated")
+		print("[Mesecons]          Otherwise, please make sure you're running the latest version")
+		print("[Mesecons]          of that mod and inform the mod creator.")
+	else
+		rules = pos
+		pos = self
+	end
+	mesecon.queue:add_action(pos, "receptor_on", {rules}, nil, rules)
 end
+
+function mesecon.receptor_off(self, pos, rules)
+	if (self.receptor_off) then
+		print("[Mesecons] Warning: A mod with mesecon support called mesecon:receptor_off.")
+		print("[Mesecons]          If you are the programmer of this mod, please update it ")
+		print("[Mesecons]          to use mesecon.receptor_off instead. mesecon:* is deprecated")
+		print("[Mesecons]          Otherwise, please make sure you're running the latest version")
+		print("[Mesecons]          of that mod and inform the mod creator.")
+	else
+		rules = pos
+		pos = self
+	end
+	mesecon.queue:add_action(pos, "receptor_off", {rules}, nil, rules)
+end
+

mesecons/presets.lua

@@ -15,6 +15,8 @@ mesecon.rules.default =
  {x=0,  y=1,  z=-1},
  {x=0,  y=-1, z=-1}}
 
+mesecon.rules.pplate = mesecon.mergetable(mesecon.rules.default, {{x=0, y=-2, z=0}})
+
 mesecon.rules.buttonlike =
 {{x = 1,  y = 0, z = 0},
  {x = 1,  y = 1, z = 0},
@@ -32,11 +34,11 @@ mesecon.rules.flat =
 mesecon.rules.buttonlike_get = function(node)
 	local rules = mesecon.rules.buttonlike
 	if node.param2 == 2 then
-		rules=mesecon:rotate_rules_left(rules)
+		rules=mesecon.rotate_rules_left(rules)
 	elseif node.param2 == 3 then
-		rules=mesecon:rotate_rules_right(mesecon:rotate_rules_right(rules))
+		rules=mesecon.rotate_rules_right(mesecon.rotate_rules_right(rules))
 	elseif node.param2 == 0 then
-		rules=mesecon:rotate_rules_right(rules)
+		rules=mesecon.rotate_rules_right(rules)
 	end
 	return rules
 end

mesecons/services.lua

@@ -1,38 +1,94 @@
+-- Dig and place services
+
 mesecon.on_placenode = function (pos, node)
-	if mesecon:is_receptor_on(node.name) then
-		mesecon:receptor_on(pos, mesecon:receptor_get_rules(node))
-	elseif mesecon:is_powered(pos) then
-		if mesecon:is_conductor(node.name) then
-			mesecon:turnon (pos)
-			--mesecon:receptor_on (pos, mesecon:conductor_get_rules(node))
-		else
-			mesecon:changesignal(pos, node, mesecon:effector_get_rules(node), "on")
-			mesecon:activate(pos, node)
+	mesecon.update_autoconnect(pos, node)
+
+	-- Receptors: Send on signal when active
+	if mesecon.is_receptor_on(node.name) then
+		mesecon.receptor_on(pos, mesecon.receptor_get_rules(node))
+	end
+
+	-- Conductors: Send turnon signal when powered or replace by respective offstate conductor
+	-- if placed conductor is an onstate one
+	if mesecon.is_conductor(node.name) then
+		local sources = mesecon.is_powered(pos)
+		if sources then
+			-- also call receptor_on if itself is powered already, so that neighboring
+			-- conductors will be activated (when pushing an on-conductor with a piston)
+			for _, s in ipairs(sources) do
+				local rule = {x = pos.x - s.x, y = pos.y - s.y, z = pos.z - s.z}
+				mesecon.turnon(pos, rule)
+			end
+			--mesecon.receptor_on (pos, mesecon.conductor_get_rules(node))
+		elseif mesecon.is_conductor_on(node) then
+			minetest.swap_node(pos, {name = mesecon.get_conductor_off(node)})
+		end
+	end
+
+	-- Effectors: Send changesignal and activate or deactivate
+	if mesecon.is_effector(node.name) then
+		local powered_rules = {}
+
+		-- for each input rule, check if powered
+		for _, r in ipairs(mesecon.effector_get_rules(node)) do
+			local powered = mesecon.is_powered(pos, r)
+			if powered then table.insert(powered_rules, r) end
+
+			local state = powered and mesecon.state.on or mesecon.state.off
+			mesecon.changesignal(pos, node, r, state, 1)
+		end
+
+		if (#powered_rules > 0) then
+			for _, r in ipairs(powered_rules) do
+				mesecon.activate(pos, node, r, 1)
+			end
 		end
-	elseif mesecon:is_conductor_on(node) then
-		minetest.swap_node(pos, {name = mesecon:get_conductor_off(node)})
-	elseif mesecon:is_effector_on (node.name) then
-		mesecon:deactivate(pos, node)
 	end
 end
 
 mesecon.on_dignode = function (pos, node)
-	if mesecon:is_conductor_on(node) then
-		mesecon:receptor_off_i(pos, mesecon:conductor_get_rules(node))
-	elseif mesecon:is_receptor_on(node.name) then
-		mesecon:receptor_off(pos, mesecon:receptor_get_rules(node))
+	if mesecon.is_conductor_on(node) then
+		mesecon.receptor_off(pos, mesecon.conductor_get_rules(node))
+	elseif mesecon.is_receptor_on(node.name) then
+		mesecon.receptor_off(pos, mesecon.receptor_get_rules(node))
 	end
+	mesecon.queue:add_action(pos, "update_autoconnect", {node})
 end
 
-minetest.register_abm({
-	nodenames = {"group:overheat"},
-	interval = 1.0,
-	chance = 1,
-	action = function(pos, node, active_object_count, active_object_count_wider)
-		local meta = minetest.get_meta(pos)
-		meta:set_int("heat",0)
-	end,
-})
+mesecon.queue:add_function("update_autoconnect", mesecon.update_autoconnect)
 
 minetest.register_on_placenode(mesecon.on_placenode)
 minetest.register_on_dignode(mesecon.on_dignode)
+
+-- Overheating service for fast circuits
+
+-- returns true if heat is too high
+mesecon.do_overheat = function(pos)
+	local meta = minetest.get_meta(pos)
+	local heat = meta:get_int("heat") or 0
+
+	heat = heat + 1
+	meta:set_int("heat", heat)
+
+	if heat < mesecon.setting("overheat_max", 20) then
+		mesecon.queue:add_action(pos, "cooldown", {}, 1, nil, 0)
+	else
+		return true
+	end
+
+	return false
+end
+
+
+mesecon.queue:add_function("cooldown", function (pos)
+	if minetest.get_item_group(minetest.get_node(pos).name, "overheat") == 0 then
+		return -- node has been moved, this one does not use overheating - ignore
+	end
+
+	local meta = minetest.get_meta(pos)
+	local heat = meta:get_int("heat")
+
+	if (heat > 0) then
+		meta:set_int("heat", heat - 1)
+	end
+end)

mesecons/settings.lua

@@ -1,9 +1,10 @@
 -- SETTINGS
-BLINKY_PLANT_INTERVAL = 3
-NEW_STYLE_WIRES  = true  -- true = new nodebox wires, false = old raillike wires
-PRESSURE_PLATE_INTERVAL = 0.1
-OBJECT_DETECTOR_RADIUS = 6
-PISTON_MAXIMUM_PUSH = 15
-MOVESTONE_MAXIMUM_PUSH = 100
-MESECONS_GLOBALSTEP = true	-- true = receptors/effectors won't be updated
-				-- until next globalstep, decreases server load
+function mesecon.setting(setting, default)
+	if type(default) == "bool" then
+		return minetest.setting_getbool("mesecon."..setting) or default
+	elseif type(default) == "string" then
+		return minetest.setting_get("mesecon."..setting) or default
+	elseif type(default) == "number" then
+		return tonumber(minetest.setting_get("mesecon."..setting) or default)
+	end
+end

mesecons/util.lua

@@ -1,4 +1,4 @@
-function mesecon:move_node(pos, newpos)
+function mesecon.move_node(pos, newpos)
 	local node = minetest.get_node(pos)
 	local meta = minetest.get_meta(pos):to_table()
 	minetest.remove_node(pos)
@@ -6,19 +6,7 @@ function mesecon:move_node(pos, newpos)
 	minetest.get_meta(pos):from_table(meta)
 end
 
---[[ new functions:
-mesecon:flattenrules(allrules)
-mesecon:rule2bit(findrule, allrules)
-mesecon:rule2meta(findrule, allrules)
-dec2bin(n)
-mesecon:getstate(nodename, states)
-mesecon:getbinstate(nodename, states)
-mesecon:get_bit(binary, bit)
-mesecon:set_bit(binary, bit, value)
-mesecon:invertRule(r)
---]]
-
-function mesecon:flattenrules(allrules)
+function mesecon.flattenrules(allrules)
 --[[
 	{
 		{
@@ -53,7 +41,7 @@ function mesecon:flattenrules(allrules)
 --]]
 end
 
-function mesecon:rule2bit(findrule, allrules)
+function mesecon.rule2bit(findrule, allrules)
 	--get the bit of the metarule the rule is in, or bit 1
 	if (allrules[1] and
 	    allrules[1].x) or
@@ -62,35 +50,36 @@ function mesecon:rule2bit(findrule, allrules)
 	end
 	for m,metarule in ipairs( allrules) do
 	for _,    rule in ipairs(metarule ) do
-		if mesecon:cmpPos(findrule, rule) and mesecon:cmpSpecial(findrule, rule) then
+		if mesecon.cmpPos(findrule, rule) then
 			return m
 		end
 	end
 	end
 end
 
-function mesecon:rule2metaindex(findrule, allrules)
+function mesecon.rule2metaindex(findrule, allrules)
 	--get the metarule the rule is in, or allrules
-
 	if allrules[1].x then
 		return nil
 	end
 
 	if not(findrule) then
-		return mesecon:flattenrules(allrules)
+		return mesecon.flattenrules(allrules)
 	end
 
 	for m, metarule in ipairs( allrules) do
 	for _,     rule in ipairs(metarule ) do
-		if mesecon:cmpPos(findrule, rule) and mesecon:cmpSpecial(findrule, rule) then
+		if mesecon.cmpPos(findrule, rule) then
 			return m
 		end
 	end
 	end
 end
 
-function mesecon:rule2meta(findrule, allrules)
-	local index = mesecon:rule2metaindex(findrule, allrules)
+function mesecon.rule2meta(findrule, allrules)
+	if #allrules == 0 then return {} end
+
+	local index = mesecon.rule2metaindex(findrule, allrules)
 	if index == nil then
 		if allrules[1].x then
 			return allrules
@@ -101,25 +90,16 @@ function mesecon:rule2meta(findrule, allrules)
 	return allrules[index]
 end
 
-if convert_base then
-	print(
-		"base2dec is tonumber(num,base1)\n"..
-		"commonlib needs dec2base(num,base2)\n"..
-		"and it needs base2base(num,base1,base2),\n"..
-		"which is dec2base(tonumber(num,base1),base2)"
-	)
-else
-	function dec2bin(n)
+function mesecon.dec2bin(n)
 	local x, y = math.floor(n / 2), n % 2
 	if (n > 1) then
-			return dec2bin(x)..y
+		return mesecon.dec2bin(x)..y
 	else
 		return ""..y
 	end
-	end
 end
 
-function mesecon:getstate(nodename, states)
+function mesecon.getstate(nodename, states)
 	for state, name in ipairs(states) do
 		if name == nodename then
 			return state
@@ -128,52 +108,49 @@ function mesecon:getstate(nodename, states)
 	error(nodename.." doesn't mention itself in "..dump(states))
 end
 
-function mesecon:getbinstate(nodename, states)
-	return dec2bin(mesecon:getstate(nodename, states)-1)
+function mesecon.getbinstate(nodename, states)
+	return mesecon.dec2bin(mesecon.getstate(nodename, states)-1)
 end
 
-function mesecon:get_bit(binary,bit)
+function mesecon.get_bit(binary,bit)
 	bit = bit or 1
 	local c = binary:len()-(bit-1)
 	return binary:sub(c,c) == "1"
 end
 
-function mesecon:set_bit(binary,bit,value)
+function mesecon.set_bit(binary,bit,value)
 	if value == "1" then
-		if not mesecon:get_bit(binary,bit) then
-			return dec2bin(tonumber(binary,2)+math.pow(2,bit-1))
+		if not mesecon.get_bit(binary,bit) then
+			return mesecon.dec2bin(tonumber(binary,2)+math.pow(2,bit-1))
 		end
 	elseif value == "0" then
-		if mesecon:get_bit(binary,bit) then
-			return dec2bin(tonumber(binary,2)-math.pow(2,bit-1))
+		if mesecon.get_bit(binary,bit) then
+			return mesecon.dec2bin(tonumber(binary,2)-math.pow(2,bit-1))
 		end
 	end
 	return binary
 	
 end
 
-function mesecon:invertRule(r)
-	return {x = -r.x, y = -r.y, z = -r.z, sx = r.sx, sy = r.sy, sz = r.sz}
+function mesecon.invertRule(r)
+	return {x = -r.x, y = -r.y, z = -r.z}
 end
 
-function mesecon:addPosRule(p, r)
+function mesecon.addPosRule(p, r)
 	return {x = p.x + r.x, y = p.y + r.y, z = p.z + r.z}
 end
 
-function mesecon:cmpPos(p1, p2)
+function mesecon.cmpPos(p1, p2)
 	return (p1.x == p2.x and p1.y == p2.y and p1.z == p2.z)
 end
 
-function mesecon:cmpSpecial(r1, r2)
-	return (r1.sx == r2.sx and r1.sy == r2.sy and r1.sz == r2.sz)
-end
-
-function mesecon:tablecopy(table) -- deep table copy
+function mesecon.tablecopy(table) -- deep table copy
+	if type(table) ~= "table" then return table end -- no need to copy
 	local newtable = {}
 
 	for idx, item in pairs(table) do
 		if type(item) == "table" then
-			newtable[idx] = mesecon:tablecopy(item)
+			newtable[idx] = mesecon.tablecopy(item)
 		else
 			newtable[idx] = item
 		end
@@ -181,3 +158,54 @@ function mesecon:tablecopy(table) -- deep table copy
 
 	return newtable
 end
+
+function mesecon.cmpAny(t1, t2)
+	if type(t1) ~= type(t2) then return false end
+	if type(t1) ~= "table" and type(t2) ~= "table" then return t1 == t2 end
+
+	for i, e in pairs(t1) do
+		if not mesecon.cmpAny(e, t2[i]) then return false end
+	end
+
+	return true
+end
+
+-- does not overwrite values; number keys (ipairs) are appended, not overwritten
+function mesecon.mergetable(source, dest)
+	local rval = mesecon.tablecopy(dest)
+
+	for k, v in pairs(source) do
+		rval[k] = dest[k] or mesecon.tablecopy(v)
+	end
+	for i, v in ipairs(source) do
+		table.insert(rval, mesecon.tablecopy(v))
+	end
+
+	return rval
+end
+
+function mesecon.register_node(name, spec_common, spec_off, spec_on)
+	spec_common.drop = spec_common.drop or name .. "_off"
+	spec_common.__mesecon_basename = name
+	spec_on.__mesecon_state = "on"
+	spec_off.__mesecon_state = "off"
+
+	spec_on = mesecon.mergetable(spec_common, spec_on);
+	spec_off = mesecon.mergetable(spec_common, spec_off);
+
+	minetest.register_node(name .. "_on", spec_on)
+	minetest.register_node(name .. "_off", spec_off)
+end
+
+-- swap onstate and offstate nodes, returns new state
+function mesecon.flipstate(pos, node)
+	local nodedef = minetest.registered_nodes[node.name]
+	local newstate
+	if (nodedef.__mesecon_state == "on") then newstate = "off" end
+	if (nodedef.__mesecon_state == "off") then newstate = "on" end
+		
+	minetest.swap_node(pos, {name = nodedef.__mesecon_basename .. "_" .. newstate,
+		param2 = node.param2})
+
+	return newstate
+end

mesecons/wires.lua

@@ -1,280 +1,250 @@
--- naming scheme: wire:(xp)(zp)(xm)(zm)_on/off
--- The conditions in brackets define whether there is a mesecon at that place or not
--- 1 = there is one; 0 = there is none
--- y always means y+
+-- naming scheme: wire:(xp)(zp)(xm)(zm)(xpyp)(zpyp)(xmyp)(zmyp)_on/off
+-- where x= x direction, z= z direction, y= y direction, p = +1, m = -1, e.g. xpym = {x=1, y=-1, z=0}
+-- The (xp)/(zpyp)/.. statements shall be replaced by either 0 or 1
+-- Where 0 means the wire has no visual connection to that direction and
+-- 1 means that the wire visually connects to that other node.
 
-box_center = {-1/16, -.5, -1/16, 1/16, -.5+1/16, 1/16}
-box_bump1 =  { -2/16, -8/16,  -2/16, 2/16, -13/32, 2/16 }
+-- #######################
+-- ## Update wire looks ##
+-- #######################
 
-box_xp = {1/16, -.5, -1/16, 8/16, -.5+1/16, 1/16}
-box_zp = {-1/16, -.5, 1/16, 1/16, -.5+1/16, 8/16}
-box_xm = {-8/16, -.5, -1/16, -1/16, -.5+1/16, 1/16}
-box_zm = {-1/16, -.5, -8/16, 1/16, -.5+1/16, -1/16}
-
-box_xpy = {.5-1/16, -.5+1/16, -1/16, .5, .4999+1/16, 1/16}
-box_zpy = {-1/16, -.5+1/16, .5-1/16, 1/16, .4999+1/16, .5}
-box_xmy = {-.5, -.5+1/16, -1/16, -.5+1/16, .4999+1/16, 1/16}
-box_zmy = {-1/16, -.5+1/16, -.5, 1/16, .4999+1/16, -.5+1/16}
-
--- Registering the wires
-
-for xp=0, 1 do
-for zp=0, 1 do
-for xm=0, 1 do
-for zm=0, 1 do
-for xpy=0, 1 do
-for zpy=0, 1 do
-for xmy=0, 1 do
-for zmy=0, 1 do
-	if (xpy == 1 and xp == 0) or (zpy == 1 and zp == 0) 
-	or (xmy == 1 and xm == 0) or (zmy == 1 and zm == 0) then break end
-
-	local groups
-	local nodeid = 	tostring(xp )..tostring(zp )..tostring(xm )..tostring(zm )..
-			tostring(xpy)..tostring(zpy)..tostring(xmy)..tostring(zmy)
-
-	if nodeid == "00000000" then
-		groups = {dig_immediate = 3, mesecon_conductor_craftable=1}
-		wiredesc = "Mesecon"
+-- self_pos = pos of any mesecon node, from_pos = pos of conductor to getconnect for
+local wire_getconnect = function (from_pos, self_pos)
+	local node = minetest.get_node(self_pos)
+	if minetest.registered_nodes[node.name]
+	and minetest.registered_nodes[node.name].mesecons then
+		-- rules of node to possibly connect to
+		local rules = {}
+		if (minetest.registered_nodes[node.name].mesecon_wire) then
+			rules = mesecon.rules.default
 		else
-		groups = {dig_immediate = 3, not_in_creative_inventory = 1}
-		wiredesc = "Mesecons Wire (ID: "..nodeid..")"
+			rules = mesecon.get_any_rules(node)
 		end
 
-	local nodebox = {}
-	local adjx = false
-	local adjz = false
-	if xp == 1 then table.insert(nodebox, box_xp) adjx = true end
-	if zp == 1 then table.insert(nodebox, box_zp) adjz = true end
-	if xm == 1 then table.insert(nodebox, box_xm) adjx = true end
-	if zm == 1 then table.insert(nodebox, box_zm) adjz = true end
-	if xpy == 1 then table.insert(nodebox, box_xpy) end
-	if zpy == 1 then table.insert(nodebox, box_zpy) end
-	if xmy == 1 then table.insert(nodebox, box_xmy) end
-	if zmy == 1 then table.insert(nodebox, box_zmy) end
+		for _, r in ipairs(mesecon.flattenrules(rules)) do
+			if (mesecon.cmpPos(mesecon.addPosRule(self_pos, r), from_pos)) then
+				return true
+			end
+		end
+	end
+	return false
+end
 
-	if adjx and adjz and (xp + zp + xm + zm > 2) then
-		table.insert(nodebox, box_bump1)
-		tiles_off = {
-			"wires_bump_off.png",
-			"wires_bump_off.png",
-			"wires_vertical_off.png",
-			"wires_vertical_off.png",
-			"wires_vertical_off.png",
-			"wires_vertical_off.png"
-		}
-		tiles_on = {
-			"wires_bump_on.png",
-			"wires_bump_on.png",
-			"wires_vertical_on.png",
-			"wires_vertical_on.png",
-			"wires_vertical_on.png",
-			"wires_vertical_on.png"
-		}
+-- Update this node
+local wire_updateconnect = function (pos)
+	local connections = {}
+
+	for _, r in ipairs(mesecon.rules.default) do
+		if wire_getconnect(pos, mesecon.addPosRule(pos, r)) then
+			table.insert(connections, r)
+		end
+	end
+
+	local nid = {}
+	for _, vec in ipairs(connections) do
+		-- flat component
+		if vec.x ==  1 then nid[0] = "1" end
+		if vec.z ==  1 then nid[1] = "1" end
+		if vec.x == -1 then nid[2] = "1" end
+		if vec.z == -1 then nid[3] = "1"  end
+
+		-- slopy component
+		if vec.y == 1 then
+			if vec.x ==  1 then nid[4] = "1" end
+			if vec.z ==  1 then nid[5] = "1" end
+			if vec.x == -1 then nid[6] = "1" end
+			if vec.z == -1 then nid[7] = "1" end
+		end
+	end
+
+	local nodeid = 	  (nid[0] or "0")..(nid[1] or "0")..(nid[2] or "0")..(nid[3] or "0")
+			..(nid[4] or "0")..(nid[5] or "0")..(nid[6] or "0")..(nid[7] or "0")
+
+	local state_suffix = string.find(minetest.get_node(pos).name, "_off") and "_off" or "_on"
+	minetest.set_node(pos, {name = "mesecons:wire_"..nodeid..state_suffix})
+end
+
+local update_on_place_dig = function (pos, node)
+	-- Update placed node (get_node again as it may have been dug)
+	local nn = minetest.get_node(pos)
+	if (minetest.registered_nodes[nn.name])
+	and (minetest.registered_nodes[nn.name].mesecon_wire) then
+		wire_updateconnect(pos)
+	end
+
+	-- Update nodes around it
+	local rules = {}
+	if minetest.registered_nodes[node.name]
+	and minetest.registered_nodes[node.name].mesecon_wire then
+		rules = mesecon.rules.default
 	else
-		table.insert(nodebox, box_center)
-		tiles_off = {
-			"wires_off.png",
-			"wires_off.png",
-			"wires_vertical_off.png",
-			"wires_vertical_off.png",
-			"wires_vertical_off.png",
-			"wires_vertical_off.png"
-		}
-		tiles_on = {
-			"wires_on.png",
-			"wires_on.png",
-			"wires_vertical_on.png",
-			"wires_vertical_on.png",
-			"wires_vertical_on.png",
-			"wires_vertical_on.png"
-		}
+		rules = mesecon.get_any_rules(node)
 	end
+	if (not rules) then return end
 
-	if nodeid == "00000000" then
-		nodebox = {-8/16, -.5, -1/16, 8/16, -.5+1/16, 1/16}
+	for _, r in ipairs(mesecon.flattenrules(rules)) do
+		local np = mesecon.addPosRule(pos, r)
+		if minetest.registered_nodes[minetest.get_node(np).name]
+		and minetest.registered_nodes[minetest.get_node(np).name].mesecon_wire then
+			wire_updateconnect(np)
 		end
+	end
+end
 
-	minetest.register_node("mesecons:wire_"..nodeid.."_off", {
-		description = wiredesc,
-		drawtype = "nodebox",
-		tiles = tiles_off,
---		inventory_image = "wires_inv.png",
---		wield_image = "wires_inv.png",
-		inventory_image = "jeija_mesecon_off.png",
-		wield_image = "jeija_mesecon_off.png",
-		paramtype = "light",
-		paramtype2 = "facedir",
-		sunlight_propagates = true,
-		selection_box = {
+function mesecon.update_autoconnect(pos, node)
+	if (not node) then node = minetest.get_node(pos) end
+	update_on_place_dig(pos, node)
+end
+
+-- ############################
+-- ## Wire node registration ##
+-- ############################
+-- Nodeboxes:
+local box_center = {-1/16, -.5, -1/16, 1/16, -.5+1/16, 1/16}
+local box_bump1 =  { -2/16, -8/16,  -2/16, 2/16, -13/32, 2/16 }
+
+local nbox_nid =
+{
+	[0] = {1/16, -.5, -1/16, 8/16, -.5+1/16, 1/16}, -- x positive
+	[1] = {-1/16, -.5, 1/16, 1/16, -.5+1/16, 8/16}, -- z positive
+	[2] = {-8/16, -.5, -1/16, -1/16, -.5+1/16, 1/16}, -- x negative
+	[3] = {-1/16, -.5, -8/16, 1/16, -.5+1/16, -1/16}, -- z negative
+
+	[4] = {.5-1/16, -.5+1/16, -1/16, .5, .4999+1/16, 1/16}, -- x positive up
+	[5] = {-1/16, -.5+1/16, .5-1/16, 1/16, .4999+1/16, .5}, -- z positive up
+	[6] = {-.5, -.5+1/16, -1/16, -.5+1/16, .4999+1/16, 1/16}, -- x negative up
+	[7] = {-1/16, -.5+1/16, -.5, 1/16, .4999+1/16, -.5+1/16}  -- z negative up
+}
+
+local tiles_off = { "mesecons_wire_off.png" }
+local tiles_on = { "mesecons_wire_on.png" }
+
+local selectionbox =
+{
 	type = "fixed",
 	fixed = {-.5, -.5, -.5, .5, -.5+4/16, .5}
-		},
-		node_box = {
-			type = "fixed",
-			fixed = nodebox
-		},
-		groups = groups,
-		walkable = false,
-		stack_max = 99,
-		drop = "mesecons:wire_00000000_off",
-		mesecons = {conductor={
+}
+
+-- go to the next nodeid (ex.: 01000011 --> 01000100)
+local nid_inc = function() end
+nid_inc = function (nid)
+	local i = 0
+	while nid[i-1] ~= 1 do
+		nid[i] = (nid[i] ~= 1) and 1 or 0
+		i = i + 1
+	end
+
+	-- BUT: Skip impossible nodeids:
+	if ((nid[0] == 0 and nid[4] == 1) or (nid[1] == 0 and nid[5] == 1) 
+	or (nid[2] == 0 and nid[6] == 1) or (nid[3] == 0 and nid[7] == 1)) then
+		return nid_inc(nid)
+	end
+
+	return i <= 8
+end
+
+register_wires = function()
+	local nid = {}
+	while true do
+		-- Create group specifiction and nodeid string (see note above for details)
+		local nodeid = 	  (nid[0] or "0")..(nid[1] or "0")..(nid[2] or "0")..(nid[3] or "0")
+				..(nid[4] or "0")..(nid[5] or "0")..(nid[6] or "0")..(nid[7] or "0")
+
+		-- Calculate nodebox
+		local nodebox = {type = "fixed", fixed={box_center}}
+		for i=0,7 do
+			if nid[i] == 1 then
+				table.insert(nodebox.fixed, nbox_nid[i])
+			end
+		end
+
+		-- Add bump to nodebox if curved
+		if (nid[0] == 1 and nid[1] == 1) or (nid[1] == 1 and nid[2] == 1)
+		or (nid[2] == 1 and nid[3] == 1) or (nid[3] == 1 and nid[0] == 1) then
+			table.insert(nodebox.fixed, box_bump1)
+		end
+
+		-- If nothing to connect to, still make a nodebox of a straight wire
+		if nodeid == "00000000" then
+			nodebox.fixed = {-8/16, -.5, -1/16, 8/16, -.5+1/16, 1/16}
+		end
+
+		local rules = {}
+		if (nid[0] == 1) then table.insert(rules, vector.new( 1,  0,  0)) end
+		if (nid[1] == 1) then table.insert(rules, vector.new( 0,  0,  1)) end
+		if (nid[2] == 1) then table.insert(rules, vector.new(-1,  0,  0)) end
+		if (nid[3] == 1) then table.insert(rules, vector.new( 0,  0, -1)) end
+
+		if (nid[0] == 1) then table.insert(rules, vector.new( 1, -1,  0)) end
+		if (nid[1] == 1) then table.insert(rules, vector.new( 0, -1,  1)) end
+		if (nid[2] == 1) then table.insert(rules, vector.new(-1, -1,  0)) end
+		if (nid[3] == 1) then table.insert(rules, vector.new( 0, -1, -1)) end
+
+		if (nid[4] == 1) then table.insert(rules, vector.new( 1,  1,  0)) end
+		if (nid[5] == 1) then table.insert(rules, vector.new( 0,  1,  1)) end
+		if (nid[6] == 1) then table.insert(rules, vector.new(-1,  1,  0)) end
+		if (nid[7] == 1) then table.insert(rules, vector.new( 0,  1, -1)) end
+
+		local meseconspec_off = { conductor = {
+			rules = rules,
 			state = mesecon.state.off,
 			onstate = "mesecons:wire_"..nodeid.."_on"
 		}}
-	})
 
-	minetest.register_node("mesecons:wire_"..nodeid.."_on", {
-		description = "Wire ID:"..nodeid,
-		drawtype = "nodebox",
-		tiles = tiles_on,
---		inventory_image = "wires_inv.png",
---		wield_image = "wires_inv.png",
-		inventory_image = "jeija_mesecon_off.png",
-		wield_image = "jeija_mesecon_off.png",
-		paramtype = "light",
-		paramtype2 = "facedir",
-		sunlight_propagates = true,
-		selection_box = {
-              		type = "fixed",
-			fixed = {-.5, -.5, -.5, .5, -.5+4/16, .5}
-		},
-		node_box = {
-			type = "fixed",
-			fixed = nodebox
-		},
-		groups = {dig_immediate = 3, mesecon = 2, not_in_creative_inventory = 1},
-		walkable = false,
-		stack_max = 99,
-		drop = "mesecons:wire_00000000_off",
-		mesecons = {conductor={
+		local meseconspec_on = { conductor = {
+			rules = rules,
 			state = mesecon.state.on,
 			offstate = "mesecons:wire_"..nodeid.."_off"
 		}}
-	})
-end
-end
-end
-end
-end
-end
-end
-end
 
--- Updating the wires:
--- Place the right connection wire
-
-local update_on_place_dig = function (pos, node)
-	if minetest.registered_nodes[node.name]
-	and minetest.registered_nodes[node.name].mesecons then
-		mesecon:update_autoconnect(pos)
-	end
-end
-
-minetest.register_on_placenode(update_on_place_dig)
-minetest.register_on_dignode(update_on_place_dig)
-
-function mesecon:update_autoconnect(pos, secondcall, replace_old)
-	local xppos = {x=pos.x+1, y=pos.y, z=pos.z}
-	local zppos = {x=pos.x, y=pos.y, z=pos.z+1}
-	local xmpos = {x=pos.x-1, y=pos.y, z=pos.z}
-	local zmpos = {x=pos.x, y=pos.y, z=pos.z-1}
-
-	local xpympos = {x=pos.x+1, y=pos.y-1, z=pos.z}
-	local zpympos = {x=pos.x, y=pos.y-1, z=pos.z+1}
-	local xmympos = {x=pos.x-1, y=pos.y-1, z=pos.z}
-	local zmympos = {x=pos.x, y=pos.y-1, z=pos.z-1}
-
-	local xpypos = {x=pos.x+1, y=pos.y+1, z=pos.z}
-	local zpypos = {x=pos.x, y=pos.y+1, z=pos.z+1}
-	local xmypos = {x=pos.x-1, y=pos.y+1, z=pos.z}
-	local zmypos = {x=pos.x, y=pos.y+1, z=pos.z-1}
-
-	if secondcall == nil then
-		mesecon:update_autoconnect(xppos, true)
-		mesecon:update_autoconnect(zppos, true)
-		mesecon:update_autoconnect(xmpos, true)
-		mesecon:update_autoconnect(zmpos, true)
-
-		mesecon:update_autoconnect(xpypos, true)
-		mesecon:update_autoconnect(zpypos, true)
-		mesecon:update_autoconnect(xmypos, true)
-		mesecon:update_autoconnect(zmypos, true)
-
-		mesecon:update_autoconnect(xpympos, true)
-		mesecon:update_autoconnect(zpympos, true)
-		mesecon:update_autoconnect(xmympos, true)
-		mesecon:update_autoconnect(zmympos, true)
+		local groups_on = {dig_immediate = 3, mesecon_conductor_craftable = 1,
+			not_in_creative_inventory = 1}
+		local groups_off = {dig_immediate = 3, mesecon_conductor_craftable = 1}
+		if nodeid ~= "00000000" then
+			groups_off["not_in_creative_inventory"] = 1
 		end
 
-	nodename = minetest.get_node(pos).name
-	if string.find(nodename, "mesecons:wire_") == nil and not replace_old then return nil end
+		mesecon.register_node("mesecons:wire_"..nodeid, {
+			description = "Mesecon",
+			drawtype = "nodebox",
+			inventory_image = "mesecons_wire_inv.png",
+			wield_image = "mesecons_wire_inv.png",
+			paramtype = "light",
+			paramtype2 = "facedir",
+			sunlight_propagates = true,
+			selection_box = selectionbox,
+			node_box = nodebox,
+			walkable = false,
+			drop = "mesecons:wire_00000000_off",
+			mesecon_wire = true
+		}, {tiles = tiles_off, mesecons = meseconspec_off, groups = groups_off},
+		{tiles = tiles_on, mesecons = meseconspec_on, groups = groups_on})
 
-	if mesecon:rules_link_anydir(pos, xppos) then xp = 1 else xp = 0 end
-	if mesecon:rules_link_anydir(pos, xmpos) then xm = 1 else xm = 0 end
-	if mesecon:rules_link_anydir(pos, zppos) then zp = 1 else zp = 0 end
-	if mesecon:rules_link_anydir(pos, zmpos) then zm = 1 else zm = 0 end
-
-	if mesecon:rules_link_anydir(pos, xpympos) then xp = 1 end
-	if mesecon:rules_link_anydir(pos, xmympos) then xm = 1 end
-	if mesecon:rules_link_anydir(pos, zpympos) then zp = 1 end
-	if mesecon:rules_link_anydir(pos, zmympos) then zm = 1 end
-
-	if mesecon:rules_link_anydir(pos, xpypos) then xpy = 1 else xpy = 0 end
-	if mesecon:rules_link_anydir(pos, zpypos) then zpy = 1 else zpy = 0 end
-	if mesecon:rules_link_anydir(pos, xmypos) then xmy = 1 else xmy = 0 end
-	if mesecon:rules_link_anydir(pos, zmypos) then zmy = 1 else zmy = 0 end
-
-	if xpy == 1 then xp = 1 end
-	if zpy == 1 then zp = 1 end
-	if xmy == 1 then xm = 1 end
-	if zmy == 1 then zm = 1 end
-
-	local nodeid = 	tostring(xp )..tostring(zp )..tostring(xm )..tostring(zm )..
-			tostring(xpy)..tostring(zpy)..tostring(xmy)..tostring(zmy)
-
-	
-	if string.find(nodename, "_off") ~= nil then
-		minetest.set_node(pos, {name = "mesecons:wire_"..nodeid.."_off"})
-	else
-		minetest.set_node(pos, {name = "mesecons:wire_"..nodeid.."_on" })
+		if (nid_inc(nid) == false) then return end
 	end
 end
+register_wires()
 
-if not minetest.registered_nodes["default:stone_with_mese"] then --before MESE update, use old recipes
-	minetest.register_craft({
-		output = "mesecons:wire_00000000_off 18",
-		recipe = {
-			{"default:mese"},
-		}
-	})
-else
-
-	minetest.register_craft({
+-- ##############
+-- ## Crafting ##
+-- ##############
+minetest.register_craft({
 	type = "cooking",
 	output = "mesecons:wire_00000000_off 2",
 	recipe = "default:mese_crystal_fragment",
 	cooktime = 3,
-	})
+})
 
-	minetest.register_craft({
+minetest.register_craft({
 	type = "cooking",
 	output = "mesecons:wire_00000000_off 18",
 	recipe = "default:mese_crystal",
 	cooktime = 15,
-	})
+})
 
-	minetest.register_craft({
+minetest.register_craft({
 	type = "cooking",
 	output = "mesecons:wire_00000000_off 162",
 	recipe = "default:mese",
 	cooktime = 30,
-	})
-
-end
-
-minetest.register_craft({
-	type = "cooking",
-	output = "mesecons:wire_00000000_off 16",
-	recipe = "default:mese_crystal",
 })

mesecons_blinkyplant/init.lua

@@ -1,102 +1,51 @@
 -- The BLINKY_PLANT
-minetest.register_node("mesecons_blinkyplant:blinky_plant", {
-	drawtype = "plantlike",
-	visual_scale = 1,
-	tiles = {"jeija_blinky_plant_off.png"},
-	inventory_image = "jeija_blinky_plant_off.png",
-	walkable = false,
-	groups = {dig_immediate=3, not_in_creative_inventory=1},
-	drop="mesecons_blinkyplant:blinky_plant_off 1",
-    description="Deactivated Blinky Plant",
-	sounds = default.node_sound_leaves_defaults(),
-	selection_box = {
-		type = "fixed",
-		fixed = {-0.3, -0.5, -0.3, 0.3, -0.5+0.7, 0.3},
-	},
-	mesecons = {receptor = {
-		state = mesecon.state.off
-	}},
-	on_rightclick = function(pos, node, clicker)
-        minetest.set_node(pos, {name="mesecons_blinkyplant:blinky_plant_off"})
-    end	
-})
 
-minetest.register_node("mesecons_blinkyplant:blinky_plant_off", {
-	drawtype = "plantlike",
-	visual_scale = 1,
-	tiles = {"jeija_blinky_plant_off.png"},
-	inventory_image = "jeija_blinky_plant_off.png",
-	paramtype = "light",
-	walkable = false,
-	groups = {dig_immediate=3, mesecon=2},
+local toggle_timer = function (pos)
+	local timer = minetest.get_node_timer(pos)
+	if timer:is_started() then
+		timer:stop()
+	else
+		timer:start(mesecon.setting("blinky_plant_interval", 3))
+	end
+end
+
+local on_timer = function (pos)
+	local node = minetest.get_node(pos)
+	if(mesecon.flipstate(pos, node) == "on") then
+		mesecon.receptor_on(pos)
+	else
+		mesecon.receptor_off(pos)
+	end
+	toggle_timer(pos)
+end
+
+mesecon.register_node("mesecons_blinkyplant:blinky_plant", {
 	description="Blinky Plant",
-	sounds = default.node_sound_leaves_defaults(),
-	selection_box = {
-		type = "fixed",
-		fixed = {-0.3, -0.5, -0.3, 0.3, -0.5+0.7, 0.3},
-	},
-	mesecons = {receptor = {
-		state = mesecon.state.off
-	}},
-	on_rightclick = function(pos, node, clicker)
-        minetest.set_node(pos, {name="mesecons_blinkyplant:blinky_plant"})
-    end
-})
-
-minetest.register_node("mesecons_blinkyplant:blinky_plant_on", {
 	drawtype = "plantlike",
-	visual_scale = 1,
-	tiles = {"jeija_blinky_plant_on.png"},
 	inventory_image = "jeija_blinky_plant_off.png",
 	paramtype = "light",
 	walkable = false,
-	groups = {dig_immediate=3, not_in_creative_inventory=1, mesecon=2},
-	drop="mesecons_blinkyplant:blinky_plant_off 1",
-	light_source = LIGHT_MAX-7,
-	description = "Blinky Plant",
 	sounds = default.node_sound_leaves_defaults(),
 	selection_box = {
 		type = "fixed",
 		fixed = {-0.3, -0.5, -0.3, 0.3, -0.5+0.7, 0.3},
 	},
-	mesecons = {receptor = {
-		state = mesecon.state.on
-	}},
-	on_rightclick = function(pos, node, clicker)
-		minetest.set_node(pos, {name = "mesecons_blinkyplant:blinky_plant"})
-		mesecon:receptor_off(pos)
-	end
+	on_timer = on_timer,
+	on_rightclick = toggle_timer,
+	on_construct = toggle_timer
+},{
+	tiles = {"jeija_blinky_plant_off.png"},
+	groups = {dig_immediate=3},
+	mesecons = {receptor = { state = mesecon.state.off }}
+},{
+	tiles = {"jeija_blinky_plant_on.png"},
+	groups = {dig_immediate=3, not_in_creative_inventory=1},
+	mesecons = {receptor = { state = mesecon.state.on }}
 })
 
 minetest.register_craft({
 	output = "mesecons_blinkyplant:blinky_plant_off 1",
-	recipe = {
+	recipe = {	{"","group:mesecon_conductor_craftable",""},
 			{"","group:mesecon_conductor_craftable",""},
-	{"","group:mesecon_conductor_craftable",""},
-	{"default:sapling","default:sapling","default:sapling"},
-	}
-})
-
-minetest.register_abm(
-	{nodenames = {"mesecons_blinkyplant:blinky_plant_off"},
-	interval = BLINKY_PLANT_INTERVAL,
-	chance = 1,
-	action = function(pos, node, active_object_count, active_object_count_wider)
-		--minetest.remove_node(pos)
-		minetest.add_node(pos, {name="mesecons_blinkyplant:blinky_plant_on"})
-		nodeupdate(pos)	
-		mesecon:receptor_on(pos)
-	end,
-})
-
-minetest.register_abm({
-	nodenames = {"mesecons_blinkyplant:blinky_plant_on"},
-	interval = BLINKY_PLANT_INTERVAL,
-	chance = 1,
-	action = function(pos, node, active_object_count, active_object_count_wider)
-		--minetest.remove_node(pos)
-		minetest.add_node(pos, {name="mesecons_blinkyplant:blinky_plant_off"})
-		nodeupdate(pos)	
-		mesecon:receptor_off(pos)
-	end,
+			{"group:sapling","group:sapling","group:sapling"}}
 })

mesecons_button/init.lua

@@ -8,7 +8,7 @@ mesecon.button_turnoff = function (pos)
 		minetest.swap_node(pos, {name = "mesecons_button:button_off", param2=node.param2})
 		minetest.sound_play("mesecons_button_pop", {pos=pos})
 		local rules = mesecon.rules.buttonlike_get(node)
-		mesecon:receptor_off(pos, rules)
+		mesecon.receptor_off(pos, rules)
 	end
 end
 
@@ -42,7 +42,7 @@ minetest.register_node("mesecons_button:button_off", {
 	description = "Button",
 	on_punch = function (pos, node)
 		minetest.swap_node(pos, {name = "mesecons_button:button_on", param2=node.param2})
-		mesecon:receptor_on(pos, mesecon.rules.buttonlike_get(node))
+		mesecon.receptor_on(pos, mesecon.rules.buttonlike_get(node))
 		minetest.sound_play("mesecons_button_push", {pos=pos})
 		minetest.after(1, mesecon.button_turnoff, pos)
 	end,

mesecons_commandblock/init.lua

@@ -23,14 +23,6 @@ minetest.register_chatcommand("tell", {
 	end
 })
 
-minetest.register_chatcommand("tellme", {
-	params = "<text>",
-	description = "Say <text> to yourself",
-	func = function(name, param)
-		minetest.chat_send_player(name, param, false)
-	end
-})
-
 minetest.register_chatcommand("hp", {
 	params = "<name> <value>",
 	description = "Set health of <name> to <value> hitpoints",
@@ -50,16 +42,13 @@ minetest.register_chatcommand("hp", {
 	end
 })
 
-local initialize_data = function(meta, player, command, param)
+local function initialize_data(meta)
+	local commands = meta:get_string("commands")
 	meta:set_string("formspec",
-		"invsize[9,6;]" ..
-		"field[1,1;7.5,1;player;Player;" .. player .. "]" ..
-		"button[1.3,2;2,1;nearest;Nearest]" ..
-		"button[3.3,2;2,1;farthest;Farthest]" ..
-		"button[5.3,2;2,1;random;Random]" ..
-		"field[1,4;2,1;command;Command;" .. command .. "]" ..
-		"field[3,4;5.5,1;param;Parameter;" .. param .. "]" ..
-		"button_exit[3.3,5;2,1;submit;Submit]")
+		"invsize[9,5;]" ..
+		"textarea[0.5,0.5;8.5,4;commands;Commands;"..commands.."]" ..
+		"label[1,3.8;@nearest, @farthest, and @random are replaced by the respective player names]" ..
+		"button_exit[3.3,4.5;2,1;submit;Submit]")
 	local owner = meta:get_string("owner")
 	if owner == "" then
 		owner = "not owned"
@@ -68,81 +57,64 @@ local initialize_data = function(meta, player, command, param)
 	end
 	meta:set_string("infotext", "Command Block\n" ..
 		"(" .. owner .. ")\n" ..
-		"Command: /" .. command .. " " .. param)
+		"Commands: "..commands)
 end
 
-local construct = function(pos)
+local function construct(pos)
 	local meta = minetest.get_meta(pos)
 
-	meta:set_string("player", "@nearest")
-	meta:set_string("command", "time")
-	meta:set_string("param", "7000")
+	meta:set_string("commands", "tell @nearest Commandblock unconfigured")
 
 	meta:set_string("owner", "")
 
-	initialize_data(meta, "@nearest", "time", "7000")
+	initialize_data(meta)
 end
 
-local after_place = function(pos, placer)
+local function after_place(pos, placer)
 	if placer then
 		local meta = minetest.get_meta(pos)
 		meta:set_string("owner", placer:get_player_name())
-		initialize_data(meta, "@nearest", "time", "7000")
+		initialize_data(meta)
 	end
 end
 
-local receive_fields = function(pos, formname, fields, sender)
-	if fields.quit then
+local function receive_fields(pos, formname, fields, sender)
+	if not fields.submit then
 		return
 	end
 	local meta = minetest.get_meta(pos)
-	if fields.nearest then
-		initialize_data(meta, "@nearest", fields.command, fields.param)
-	elseif fields.farthest then
-		initialize_data(meta, "@farthest", fields.command, fields.param)
-	elseif fields.random then
-		initialize_data(meta, "@random", fields.command, fields.param)
-	else --fields.submit or pressed enter
-		meta:set_string("player", fields.player)
-		meta:set_string("command", fields.command)
-		meta:set_string("param", fields.param)
-
-		initialize_data(meta, fields.player, fields.command, fields.param)
+	local owner = meta:get_string("owner")
+	if owner ~= "" and sender:get_player_name() ~= owner then
+		return
 	end
+	meta:set_string("commands", fields.commands)
+
+	initialize_data(meta)
 end
 
-local resolve_player = function(name, pos)
-	local get_distance = function(pos1, pos2)
-		return math.sqrt((pos1.x - pos2.x) ^ 2 + (pos1.y - pos2.y) ^ 2 + (pos1.z - pos2.z) ^ 2)
-	end
-
-	if name == "@nearest" then
-		local min_distance = math.huge
-		for index, player in ipairs(minetest.get_connected_players()) do
-			local distance = get_distance(pos, player:getpos())
+local function resolve_commands(commands, pos)
+	local nearest, farthest = nil, nil
+	local min_distance, max_distance = math.huge, -1
+	local players = minetest.get_connected_players()
+	for index, player in pairs(players) do
+		local distance = vector.distance(pos, player:getpos())
 		if distance < min_distance then
 			min_distance = distance
-				name = player:get_player_name()
+			nearest = player:get_player_name()
 		end
-		end
-	elseif name == "@farthest" then
-		local max_distance = -1
-		for index, player in ipairs(minetest.get_connected_players()) do
-			local distance = get_distance(pos, player:getpos())
 		if distance > max_distance then
 			max_distance = distance
-				name = player:get_player_name()
+			farthest = player:get_player_name()
 		end
 	end
-	elseif name == "@random" then
-		local players = minetest.get_connected_players()
-		local player = players[math.random(#players)]
-		name = player:get_player_name()
-	end
-	return name
+	local random = players[math.random(#players)]:get_player_name()
+	commands = commands:gsub("@nearest", nearest)
+	commands = commands:gsub("@farthest", farthest)
+	commands = commands:gsub("@random", random)
+	return commands
 end
 
-local commandblock_action_on = function(pos, node)
+local function commandblock_action_on(pos, node)
 	if node.name ~= "mesecons_commandblock:commandblock_off" then
 		return
 	end
@@ -150,29 +122,48 @@ local commandblock_action_on = function(pos, node)
 	minetest.swap_node(pos, {name = "mesecons_commandblock:commandblock_on"})
 
 	local meta = minetest.get_meta(pos)
-	local command = minetest.chatcommands[meta:get_string("command")]
-	if command == nil then
-		return
-	end
 	local owner = meta:get_string("owner")
 	if owner == "" then
 		return
 	end
-	local has_privs, missing_privs = minetest.check_player_privs(owner, command.privs)
-	if not has_privs then
-		minetest.chat_send_player(owner, "You don't have permission to run this command (missing privileges: "..table.concat(missing_privs, ", ")..")")
+
+	local commands = resolve_commands(meta:get_string("commands"), pos)
+	for _, command in pairs(commands:split("\n")) do
+		local pos = command:find(" ")
+		local cmd, param = command, ""
+		if pos then
+			cmd = command:sub(1, pos - 1)
+			param = command:sub(pos + 1)
+		end
+		local cmddef = minetest.chatcommands[cmd]
+		if not cmddef then
+			minetest.chat_send_player(owner, "The command "..cmd.." does not exist")
 			return
 		end
-	local player = resolve_player(meta:get_string("player"), pos)
-	command.func(player, meta:get_string("param"))
+		local has_privs, missing_privs = minetest.check_player_privs(owner, cmddef.privs)
+		if not has_privs then
+			minetest.chat_send_player(owner, "You don't have permission "
+					.."to run "..cmd
+					.." (missing privileges: "
+					..table.concat(missing_privs, ", ")..")")
+			return
+		end
+		cmddef.func(owner, param)
+	end
 end
 
-local commandblock_action_off = function(pos, node)
+local function commandblock_action_off(pos, node)
 	if node.name == "mesecons_commandblock:commandblock_on" then
 		minetest.swap_node(pos, {name = "mesecons_commandblock:commandblock_off"})
 	end
 end
 
+local function can_dig(pos, player)
+	local meta = minetest.get_meta(pos)
+	local owner = meta:get_string("owner")
+	return owner == "" or owner == player:get_player_name()
+end
+
 minetest.register_node("mesecons_commandblock:commandblock_off", {
 	description = "Command Block",
 	tiles = {"jeija_commandblock_off.png"},
@@ -181,10 +172,7 @@ minetest.register_node("mesecons_commandblock:commandblock_off", {
 	on_construct = construct,
 	after_place_node = after_place,
 	on_receive_fields = receive_fields,
-	can_dig = function(pos,player)
-		local owner = minetest.get_meta(pos):get_string("owner")
-		return owner == "" or owner == player:get_player_name()
-	end,
+	can_dig = can_dig,
 	sounds = default.node_sound_stone_defaults(),
 	mesecons = {effector = {
 		action_on = commandblock_action_on
@@ -199,10 +187,7 @@ minetest.register_node("mesecons_commandblock:commandblock_on", {
 	on_construct = construct,
 	after_place_node = after_place,
 	on_receive_fields = receive_fields,
-	can_dig = function(pos,player)
-		local owner = minetest.get_meta(pos):get_string("owner")
-		return owner == "" or owner == player:get_player_name()
-	end,
+	can_dig = can_dig,
 	sounds = default.node_sound_stone_defaults(),
 	mesecons = {effector = {
 		action_off = commandblock_action_off

mesecons_compatibility/init.lua

@@ -1,167 +0,0 @@
-doors = {}
-
--- Registers a door - REDEFINITION ONLY | DOORS MOD MUST HAVE BEEN LOADED BEFORE
---  name: The name of the door
---  def: a table with the folowing fields:
---    description
---    inventory_image
---    groups
---    tiles_bottom: the tiles of the bottom part of the door {front, side}
---    tiles_top: the tiles of the bottom part of the door {front, side}
---    If the following fields are not defined the default values are used
---    node_box_bottom
---    node_box_top
---    selection_box_bottom
---    selection_box_top
---    only_placer_can_open: if true only the player who placed the door can
---                          open it
-
-function doors:register_door(name, def)
-	def.groups.not_in_creative_inventory = 1
-	
-	local box = {{-0.5, -0.5, -0.5,   0.5, 0.5, -0.5+1.5/16}}
-	
-	if not def.node_box_bottom then
-		def.node_box_bottom = box
-	end
-	if not def.node_box_top then
-		def.node_box_top = box
-	end
-	if not def.selection_box_bottom then
-		def.selection_box_bottom= box
-	end
-	if not def.selection_box_top then
-		def.selection_box_top = box
-	end
-	
-	local tt = def.tiles_top
-	local tb = def.tiles_bottom
-	
-	local function after_dig_node(pos, name)
-		if minetest.get_node(pos).name == name then
-			minetest.remove_node(pos)
-		end
-	end
-
-	local function on_rightclick(pos, dir, check_name, replace, replace_dir, params)
-		pos.y = pos.y+dir
-		if not minetest.get_node(pos).name == check_name then
-			return
-		end
-		local p2 = minetest.get_node(pos).param2
-		p2 = params[p2+1]
-		
-		local meta = minetest.get_meta(pos):to_table()
-		minetest.set_node(pos, {name=replace_dir, param2=p2})
-		minetest.get_meta(pos):from_table(meta)
-		
-		pos.y = pos.y-dir
-		meta = minetest.get_meta(pos):to_table()
-		minetest.set_node(pos, {name=replace, param2=p2})
-		minetest.get_meta(pos):from_table(meta)
-	end
-
-	local function on_mesecons_signal_open (pos, node)
-		on_rightclick(pos, 1, name.."_t_1", name.."_b_2", name.."_t_2", {1,2,3,0})
-	end
-
-	local function on_mesecons_signal_close (pos, node)
-		on_rightclick(pos, 1, name.."_t_2", name.."_b_1", name.."_t_1", {3,0,1,2})
-	end
-	
-	local function check_player_priv(pos, player)
-		if not def.only_placer_can_open then
-			return true
-		end
-		local meta = minetest.get_meta(pos)
-		local pn = player:get_player_name()
-		return meta:get_string("doors_owner") == pn
-	end
-	
-	minetest.register_node(":"..name.."_b_1", {
-		tiles = {tb[2], tb[2], tb[2], tb[2], tb[1], tb[1].."^[transformfx"},
-		paramtype = "light",
-		paramtype2 = "facedir",
-		drop = name,
-		drawtype = "nodebox",
-		node_box = {
-			type = "fixed",
-			fixed = def.node_box_bottom
-		},
-		selection_box = {
-			type = "fixed",
-			fixed = def.selection_box_bottom
-		},
-		groups = def.groups,
-		
-		after_dig_node = function(pos, oldnode, oldmetadata, digger)
-			pos.y = pos.y+1
-			after_dig_node(pos, name.."_t_1")
-		end,
-		
-		on_rightclick = function(pos, node, puncher)
-			if check_player_priv(pos, puncher) then
-				on_rightclick(pos, 1, name.."_t_1", name.."_b_2", name.."_t_2", {1,2,3,0})
-			end
-		end,
-
-		mesecons = {effector = {
-			action_on  = on_mesecons_signal_open
-		}},
-		
-		can_dig = check_player_priv,
-	})
-	
-	minetest.register_node(":"..name.."_b_2", {
-		tiles = {tb[2], tb[2], tb[2], tb[2], tb[1].."^[transformfx", tb[1]},
-		paramtype = "light",
-		paramtype2 = "facedir",
-		drop = name,
-		drawtype = "nodebox",
-		node_box = {
-			type = "fixed",
-			fixed = def.node_box_bottom
-		},
-		selection_box = {
-			type = "fixed",
-			fixed = def.selection_box_bottom
-		},
-		groups = def.groups,
-		
-		after_dig_node = function(pos, oldnode, oldmetadata, digger)
-			pos.y = pos.y+1
-			after_dig_node(pos, name.."_t_2")
-		end,
-		
-		on_rightclick = function(pos, node, puncher)
-			if check_player_priv(pos, puncher) then
-				on_rightclick(pos, 1, name.."_t_2", name.."_b_1", name.."_t_1", {3,0,1,2})
-			end
-		end,
-
-		mesecons = {effector = {
-			action_off = on_mesecons_signal_close
-		}},
-		
-		can_dig = check_player_priv,
-	})
-end
-
-doors:register_door("doors:door_wood", {
-	description = "Wooden Door",
-	inventory_image = "door_wood.png",
-	groups = {snappy=1,choppy=2,oddly_breakable_by_hand=2,flammable=2,door=1},
-	tiles_bottom = {"door_wood_b.png", "door_brown.png"},
-	tiles_top = {"door_wood_a.png", "door_brown.png"},
-	sounds = default.node_sound_wood_defaults(),
-})
-
-doors:register_door("doors:door_steel", {
-	description = "Steel Door",
-	inventory_image = "door_steel.png",
-	groups = {snappy=1,bendy=2,cracky=1,melty=2,level=2,door=1},
-	tiles_bottom = {"door_steel_b.png", "door_grey.png"},
-	tiles_top = {"door_steel_a.png", "door_grey.png"},
-	only_placer_can_open = true,
-	sounds = default.node_sound_stone_defaults(),
-})

mesecons_delayer/init.lua

@@ -2,7 +2,7 @@
 local delayer_get_output_rules = function(node)
 	local rules = {{x = 0, y = 0, z = 1}}
 	for i = 0, node.param2 do
-		rules = mesecon:rotate_rules_left(rules)
+		rules = mesecon.rotate_rules_left(rules)
 	end
 	return rules
 end
@@ -10,35 +10,25 @@ end
 local delayer_get_input_rules = function(node)
 	local rules = {{x = 0, y = 0, z = -1}}
 	for i = 0, node.param2 do
-		rules = mesecon:rotate_rules_left(rules)
+		rules = mesecon.rotate_rules_left(rules)
 	end
 	return rules
 end
 
 -- Functions that are called after the delay time
 
-local delayer_turnon = function(params)
-	local rules = delayer_get_output_rules(params.node)
-	mesecon:receptor_on(params.pos, rules)
-end
-
-local delayer_turnoff = function(params)
-	local rules = delayer_get_output_rules(params.node)
-	mesecon:receptor_off(params.pos, rules)
-end
-
 local delayer_activate = function(pos, node)
 	local def = minetest.registered_nodes[node.name]
 	local time = def.delayer_time
 	minetest.swap_node(pos, {name = def.delayer_onstate, param2=node.param2})
-	minetest.after(time, delayer_turnon , {pos = pos, node = node})
+	mesecon.queue:add_action(pos, "receptor_on", {delayer_get_output_rules(node)}, time, nil)
 end
 
 local delayer_deactivate = function(pos, node)
 	local def = minetest.registered_nodes[node.name]
 	local time = def.delayer_time
 	minetest.swap_node(pos, {name = def.delayer_offstate, param2=node.param2})
-	minetest.after(time, delayer_turnoff, {pos = pos, node = node})
+	mesecon.queue:add_action(pos, "receptor_off", {delayer_get_output_rules(node)}, time, nil)
 end
 
 -- Register the 2 (states) x 4 (delay times) delayers

mesecons_detector/init.lua

@@ -1,3 +1,5 @@
+local GET_COMMAND = "GET"
+
 -- Object detector
 -- Detects players in a certain radius
 -- The radius can be specified in mesecons/settings.lua
@@ -6,13 +8,13 @@ local object_detector_make_formspec = function (pos)
 	local meta = minetest.get_meta(pos)
 	meta:set_string("formspec", "size[9,2.5]" ..
 		"field[0.3,  0;9,2;scanname;Name of player to scan for (empty for any):;${scanname}]"..
-		"field[0.3,1.5;4,2;digiline_channel;Digiline Channel (optional):;${digiline_channel}]")
+		"field[0.3,1.5;4,2;digiline_channel;Digiline Channel (optional):;${digiline_channel}]"..
+		"button_exit[7,0.75;2,3;;Save]")
 end
 
 local object_detector_on_receive_fields = function(pos, formname, fields)
-	if fields.quit then
-		return
-	end
+	if not fields.scanname or not fields.digiline_channel then return end;
+
 	local meta = minetest.get_meta(pos)
 	meta:set_string("scanname", fields.scanname)
 	meta:set_string("digiline_channel", fields.digiline_channel)
@@ -21,7 +23,7 @@ end
 
 -- returns true if player was found, false if not
 local object_detector_scan = function (pos)
-	local objs = minetest.get_objects_inside_radius(pos, OBJECT_DETECTOR_RADIUS)
+	local objs = minetest.get_objects_inside_radius(pos, mesecon.setting("detector_radius", 6))
 	for k, obj in pairs(objs) do
 		local isname = obj:get_player_name() -- "" is returned if it is not a player; "" ~= nil!
 		local scanname = minetest.get_meta(pos):get_string("scanname")
@@ -33,7 +35,7 @@ local object_detector_scan = function (pos)
 end
 
 -- set player name when receiving a digiline signal on a specific channel
-object_detector_digiline = {
+local object_detector_digiline = {
 	effector = {
 		action = function (pos, node, channel, msg)
 			local meta = minetest.get_meta(pos)
@@ -53,7 +55,8 @@ minetest.register_node("mesecons_detector:object_detector_off", {
 	groups = {cracky=3},
 	description="Player Detector",
 	mesecons = {receptor = {
-		state = mesecon.state.off
+		state = mesecon.state.off,
+		rules = mesecon.rules.pplate
 	}},
 	on_construct = object_detector_make_formspec,
 	on_receive_fields = object_detector_on_receive_fields,
@@ -68,7 +71,8 @@ minetest.register_node("mesecons_detector:object_detector_on", {
 	groups = {cracky=3,not_in_creative_inventory=1},
 	drop = 'mesecons_detector:object_detector_off',
 	mesecons = {receptor = {
-		state = mesecon.state.on
+		state = mesecon.state.on,
+		rules = mesecon.rules.pplate
 	}},
 	on_construct = object_detector_make_formspec,
 	on_receive_fields = object_detector_on_receive_fields,
@@ -92,7 +96,7 @@ minetest.register_abm(
 	action = function(pos)
 		if object_detector_scan(pos) then
 			minetest.swap_node(pos, {name = "mesecons_detector:object_detector_on"})
-			mesecon:receptor_on(pos)
+			mesecon.receptor_on(pos, mesecon.rules.pplate)
 		end
 	end,
 })
@@ -104,7 +108,161 @@ minetest.register_abm(
 	action = function(pos)
 		if not object_detector_scan(pos) then
 			minetest.swap_node(pos, {name = "mesecons_detector:object_detector_off"})
-			mesecon:receptor_off(pos)
+			mesecon.receptor_off(pos, mesecon.rules.pplate)
+		end
+	end,
+})
+
+-- Node detector
+-- Detects the node in front of it
+
+local node_detector_make_formspec = function (pos)
+	local meta = minetest.get_meta(pos)
+	meta:set_string("formspec", "size[9,2.5]" ..
+		"field[0.3,  0;9,2;scanname;Name of node to scan for (empty for any):;${scanname}]"..
+		"field[0.3,1.5;4,2;digiline_channel;Digiline Channel (optional):;${digiline_channel}]"..
+		"button_exit[7,0.75;2,3;;Save]")
+end
+
+local node_detector_on_receive_fields = function(pos, formname, fields)
+	if not fields.scanname or not fields.digiline_channel then return end;
+
+	local meta = minetest.get_meta(pos)
+	meta:set_string("scanname", fields.scanname)
+	meta:set_string("digiline_channel", fields.digiline_channel)
+	node_detector_make_formspec(pos)
+end
+
+-- returns true if player was found, false if not
+local node_detector_scan = function (pos)
+	local node = minetest.get_node(pos)
+	local frontpos = vector.subtract(pos, minetest.facedir_to_dir(node.param2))
+	local frontnode = minetest.get_node(frontpos)
+	local meta = minetest.get_meta(pos)
+	return (frontnode.name == meta:get_string("scanname")) or
+		(frontnode.name ~= "air" and frontnode.name ~= "ignore" and meta:get_string("scanname") == "")
+end
+
+-- set player name when receiving a digiline signal on a specific channel
+local node_detector_digiline = {
+	effector = {
+		action = function (pos, node, channel, msg)
+			local meta = minetest.get_meta(pos)
+			local active_channel = meta:get_string("digiline_channel")
+			if channel == active_channel then
+				if msg == GET_COMMAND then
+					local frontpos = vector.subtract(pos, minetest.facedir_to_dir(node.param2))
+					local name = minetest.get_node(frontpos).name
+					digiline:receptor_send(pos, digiline.rules.default, channel, name)
+				else
+					meta:set_string("scanname", msg)
+					node_detector_make_formspec(pos)
+				end
+			end
+		end,
+	},
+	receptor = {}
+}
+
+minetest.register_node("mesecons_detector:node_detector_off", {
+	tiles = {"default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "jeija_node_detector_off.png"},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	walkable = true,
+	groups = {cracky=3},
+	description="Node Detector",
+	mesecons = {receptor = {
+		state = mesecon.state.off
+	}},
+	on_construct = node_detector_make_formspec,
+	on_receive_fields = node_detector_on_receive_fields,
+	after_place_node = function (pos, placer)
+		local placer_pos = placer:getpos()
+		
+		--correct for the player's height
+		if placer:is_player() then placer_pos.y = placer_pos.y + 1.5 end
+		
+		--correct for 6d facedir
+		if placer_pos then
+			local dir = {
+				x = pos.x - placer_pos.x,
+				y = pos.y - placer_pos.y,
+				z = pos.z - placer_pos.z
+			}
+			local node = minetest.get_node(pos)
+			node.param2 = minetest.dir_to_facedir(dir, true)
+			minetest.set_node(pos, node)
+			minetest.log("action", "real (6d) facedir: " .. node.param2)
+		end
+	end,
+	sounds = default.node_sound_stone_defaults(),
+	digiline = node_detector_digiline
+})
+
+minetest.register_node("mesecons_detector:node_detector_on", {
+	tiles = {"default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "jeija_node_detector_on.png"},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	walkable = true,
+	groups = {cracky=3,not_in_creative_inventory=1},
+	drop = 'mesecons_detector:node_detector_off',
+	mesecons = {receptor = {
+		state = mesecon.state.on
+	}},
+	on_construct = node_detector_make_formspec,
+	on_receive_fields = node_detector_on_receive_fields,
+	after_place_node = function (pos, placer)
+		local placer_pos = placer:getpos()
+		
+		--correct for the player's height
+		if placer:is_player() then placer_pos.y = placer_pos.y + 1.5 end
+		
+		--correct for 6d facedir
+		if placer_pos then
+			local dir = {
+				x = pos.x - placer_pos.x,
+				y = pos.y - placer_pos.y,
+				z = pos.z - placer_pos.z
+			}
+			local node = minetest.get_node(pos)
+			node.param2 = minetest.dir_to_facedir(dir, true)
+			minetest.set_node(pos, node)
+			minetest.log("action", "real (6d) facedir: " .. node.param2)
+		end
+	end,
+	sounds = default.node_sound_stone_defaults(),
+	digiline = node_detector_digiline
+})
+
+minetest.register_craft({
+	output = 'mesecons_detector:node_detector_off',
+	recipe = {
+		{"default:steel_ingot", "group:mesecon_conductor_craftable", "default:steel_ingot"},
+		{"default:steel_ingot", "mesecons_luacontroller:luacontroller0000", "default:steel_ingot"},
+		{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
+	}
+})
+
+minetest.register_abm(
+	{nodenames = {"mesecons_detector:node_detector_off"},
+	interval = 1.0,
+	chance = 1,
+	action = function(pos, node)
+		if node_detector_scan(pos) then
+			minetest.swap_node(pos, {name = "mesecons_detector:node_detector_on", param2 = node.param2})
+			mesecon.receptor_on(pos)
+		end
+	end,
+})
+
+minetest.register_abm(
+	{nodenames = {"mesecons_detector:node_detector_on"},
+	interval = 1.0,
+	chance = 1,
+	action = function(pos, node)
+		if not node_detector_scan(pos) then
+			minetest.swap_node(pos, {name = "mesecons_detector:node_detector_off", param2 = node.param2})
+			mesecon.receptor_off(pos)
 		end
 	end,
 })

mesecons_doors/init.lua

@@ -0,0 +1,80 @@
+-- Modified, from minetest_game/mods/doors/init.lua
+local function on_rightclick(pos, dir, check_name, replace, replace_dir, params)
+	pos.y = pos.y + dir
+	if not minetest.get_node(pos).name == check_name then
+		return
+	end
+	local p2 = minetest.get_node(pos).param2
+	p2 = params[p2 + 1]
+
+	minetest.swap_node(pos, {name = replace_dir, param2 = p2})
+
+	pos.y = pos.y - dir
+	minetest.swap_node(pos, {name = replace, param2 = p2})
+
+	if (minetest.get_meta(pos):get_int("right") ~= 0) == (params[1] ~= 3) then
+		minetest.sound_play("door_close", {pos = pos, gain = 0.3, max_hear_distance = 10})
+	else
+		minetest.sound_play("door_open", {pos = pos, gain = 0.3, max_hear_distance = 10})
+	end
+end
+
+local function meseconify_door(name)
+	local function toggle_state1 (pos, node)
+		on_rightclick(pos, 1, name.."_t_1", name.."_b_2", name.."_t_2", {1,2,3,0})
+	end
+
+	local function toggle_state2 (pos, node)
+		on_rightclick(pos, 1, name.."_t_2", name.."_b_1", name.."_t_1", {3,0,1,2})
+	end
+
+	minetest.override_item(name.."_b_1", {
+		mesecons = {effector = {
+			action_on = toggle_state1,
+			action_off = toggle_state1,
+			rules = mesecon.rules.pplate
+		}},
+	})
+
+	minetest.override_item(name.."_b_2", {
+		mesecons = {effector = {
+			action_on = toggle_state2,
+			action_off = toggle_state2,
+			rules = mesecon.rules.pplate
+		}},
+	})
+end
+
+meseconify_door("doors:door_wood")
+meseconify_door("doors:door_steel")
+meseconify_door("doors:door_glass")
+meseconify_door("doors:door_obsidian_glass")
+
+-- Trapdoor
+local function trapdoor_switch(pos, node)
+	local state = minetest.get_meta(pos):get_int("state")
+
+	if state == 1 then
+		minetest.sound_play("doors_door_close", {pos = pos, gain = 0.3, max_hear_distance = 10})
+		minetest.set_node(pos, {name="doors:trapdoor", param2 = node.param2})
+	else
+		minetest.sound_play("doors_door_open", {pos = pos, gain = 0.3, max_hear_distance = 10})
+		minetest.set_node(pos, {name="doors:trapdoor_open", param2 = node.param2})
+	end
+
+	minetest.get_meta(pos):set_int("state", state == 1 and 0 or 1)
+end
+
+minetest.override_item("doors:trapdoor", {
+	mesecons = {effector = {
+		action_on = trapdoor_switch,
+		action_off = trapdoor_switch
+	}},
+})
+
+minetest.override_item("doors:trapdoor_open", {
+	mesecons = {effector = {
+		action_on = trapdoor_switch,
+		action_off = trapdoor_switch
+	}},
+})

mesecons_extrawires/corner.lua

@@ -15,7 +15,7 @@ local corner_get_rules = function (node)
 	 {x = 0,  y = 0,  z = -1}}
 
 	for i = 0, node.param2 do
-		rules = mesecon:rotate_rules_left(rules)
+		rules = mesecon.rotate_rules_left(rules)
 	end
 
 	return rules

mesecons_extrawires/crossover.lua

@@ -77,7 +77,7 @@ minetest.register_node("mesecons_extrawires:crossover_01", {
 			{ -3/32, -17/32, 6/32, 3/32, -13/32, 16/32+0.001 },
 		},
 	},
-	groups = {dig_immediate=3, mesecon=3, mesecon_conductor_craftable=1, not_in_creative_inventory=1},
+	groups = {dig_immediate=3, mesecon=3, not_in_creative_inventory=1},
 	mesecons = {
 		conductor = {
 			states = crossover_states,
@@ -113,7 +113,7 @@ minetest.register_node("mesecons_extrawires:crossover_10", {
 			{ -3/32, -17/32, 6/32, 3/32, -13/32, 16/32+0.001 },
 		},
 	},
-	groups = {dig_immediate=3, mesecon=3, mesecon_conductor_craftable=1, not_in_creative_inventory=1},
+	groups = {dig_immediate=3, mesecon=3, not_in_creative_inventory=1},
 	mesecons = {
 		conductor = {
 			states = crossover_states,
@@ -149,7 +149,7 @@ minetest.register_node("mesecons_extrawires:crossover_on", {
 			{ -3/32, -17/32, 6/32, 3/32, -13/32, 16/32+0.001 },
 		},
 	},
-	groups = {dig_immediate=3, mesecon=3, mesecon_conductor_craftable=1, not_in_creative_inventory=1},
+	groups = {dig_immediate=3, mesecon=3, not_in_creative_inventory=1},
 	mesecons = {
 		conductor = {
 			states = crossover_states,

mesecons_extrawires/mesewire.lua

@@ -8,12 +8,7 @@ local mesewire_rules =
 	{x = 0, y = 0, z =-1},
 }
 
-minetest.register_node(":default:mese", {
-	description = "Mese Block",
-	tiles = {minetest.registered_nodes["default:mese"].tiles[1]},
-	is_ground_content = true,
-	groups = {cracky=1},
-	sounds = default.node_sound_stone_defaults(),
+minetest.override_item("default:mese", {
 	mesecons = {conductor = {
 		state = mesecon.state.off,
 		onstate = "mesecons_extrawires:mese_powered",

mesecons_extrawires/tjunction.lua

@@ -16,7 +16,7 @@ local tjunction_get_rules = function (node)
 	 {x = 0,  y = 0,  z = -1}}
 
 	for i = 0, node.param2 do
-		rules = mesecon:rotate_rules_left(rules)
+		rules = mesecon.rotate_rules_left(rules)
 	end
 
 	return rules
@@ -38,7 +38,7 @@ minetest.register_node("mesecons_extrawires:tjunction_on", {
 	sunlight_propagates = true,
 	selection_box = tjunction_selectionbox,
 	node_box = tjunction_nodebox,
-	groups = {dig_immediate = 3, mesecon_conductor_craftable=1, not_in_creative_inventory = 1},
+	groups = {dig_immediate = 3, not_in_creative_inventory = 1},
 	drop = "mesecons_extrawires:tjunction_off",
 	mesecons = {conductor = 
 	{

mesecons_extrawires/vertical.lua

@@ -18,7 +18,7 @@ local bottom_box = {
 
 local vertical_rules = {
 	{x=0, y=1, z=0},
-	{x=0, y=-1, z=0},
+	{x=0, y=-1, z=0}
 }
 
 local top_rules = {
@@ -26,7 +26,7 @@ local top_rules = {
 	{x=-1,y=0, z=0},
 	{x=0,y=0, z=1},
 	{x=0,y=0, z=-1},
-	{x=0,y=-1, z=0},
+	{x=0,y=-1, z=0}
 }
 
 local bottom_rules = {
@@ -35,107 +35,79 @@ local bottom_rules = {
 	{x=0, y=0, z=1},
 	{x=0, y=0, z=-1},
 	{x=0, y=1, z=0},
+	{x=0, y=2, z=0} -- receive power from pressure plate / detector / ... 2 nodes above
 }
 
 local vertical_updatepos = function (pos)
 	local node = minetest.get_node(pos)
-	if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].is_vertical_conductor then
-		local node_above = minetest.get_node(mesecon:addPosRule(pos, vertical_rules[1]))
-		local node_below = minetest.get_node(mesecon:addPosRule(pos, vertical_rules[2]))
+	if minetest.registered_nodes[node.name]
+	and minetest.registered_nodes[node.name].is_vertical_conductor then
+		local node_above = minetest.get_node(mesecon.addPosRule(pos, vertical_rules[1]))
+		local node_below = minetest.get_node(mesecon.addPosRule(pos, vertical_rules[2]))
 		local namestate = minetest.registered_nodes[node.name].vertical_conductor_state
 
-		local above = minetest.registered_nodes[node_above.name] and minetest.registered_nodes[node_above.name].is_vertical_conductor
-		local below = minetest.registered_nodes[node_below.name] and minetest.registered_nodes[node_below.name].is_vertical_conductor
+		local above = minetest.registered_nodes[node_above.name]
+			and minetest.registered_nodes[node_above.name].is_vertical_conductor
+		local below = minetest.registered_nodes[node_below.name]
+			and minetest.registered_nodes[node_below.name].is_vertical_conductor
 
+		local basename = "mesecons_extrawires:vertical_"
 		if above and below then -- above and below: vertical mesecon
-			minetest.add_node(pos, {name = "mesecons_extrawires:vertical_" .. namestate})
+			minetest.add_node(pos, {name = basename .. namestate})
 		elseif above and not below then -- above only: bottom
-			minetest.add_node(pos, {name = "mesecons_extrawires:vertical_bottom_" .. namestate})
+			minetest.add_node(pos, {name = basename .. "bottom_" .. namestate})
 		elseif not above and below then -- below only: top
-			minetest.add_node(pos, {name = "mesecons_extrawires:vertical_top_" .. namestate})
-		else -- no vertical wire above, no vertical wire below: use default wire
-			minetest.add_node(pos, {name = "mesecons_extrawires:vertical_" .. namestate})
+			minetest.add_node(pos, {name = basename .. "top_" .. namestate})
+		else -- no vertical wire above, no vertical wire below: use bottom
+			minetest.add_node(pos, {name = basename .. "bottom_" .. namestate})
 		end
+		mesecon.update_autoconnect(pos)
 	end
 end
 
 local vertical_update = function (pos, node)
 	vertical_updatepos(pos) -- this one
-	vertical_updatepos(mesecon:addPosRule(pos, vertical_rules[1])) -- above
-	vertical_updatepos(mesecon:addPosRule(pos, vertical_rules[2])) -- below
+	vertical_updatepos(mesecon.addPosRule(pos, vertical_rules[1])) -- above
+	vertical_updatepos(mesecon.addPosRule(pos, vertical_rules[2])) -- below
 end
 
 -- Vertical wire
-minetest.register_node("mesecons_extrawires:vertical_on", {
+mesecon.register_node("mesecons_extrawires:vertical", {
 	description = "Vertical mesecon",
 	drawtype = "nodebox",
-	tiles = {"wires_vertical_on.png"},
 	walkable = false,
 	paramtype = "light",
 	sunlight_propagates = true,
-	groups = {dig_immediate=3, not_in_creative_inventory=1},
 	selection_box = vertical_box,
 	node_box = vertical_box,
 	is_vertical_conductor = true,
-	vertical_conductor_state = "on",
-	mesecons = {conductor = {
-		state = mesecon.state.on,
-		offstate = "mesecons_extrawires:vertical_off",
-		rules = vertical_rules,
-	}},
 	drop = "mesecons_extrawires:vertical_off",
 	after_place_node = vertical_update,
-	after_dig_node = vertical_update,
-})
-
-minetest.register_node("mesecons_extrawires:vertical_off", {
-	description = "Vertical mesecon",
-	drawtype = "nodebox",
-	tiles = {"wires_vertical_off.png"},
-	walkable = false,
-	paramtype = "light",
-	sunlight_propagates = true,
+	after_dig_node = vertical_update
+},{
+	tiles = {"mesecons_wire_off.png"},
 	groups = {dig_immediate=3},
-	selection_box = vertical_box,
-	node_box = vertical_box,
-	is_vertical_conductor = true,
 	vertical_conductor_state = "off",
 	mesecons = {conductor = {
 		state = mesecon.state.off,
 		onstate = "mesecons_extrawires:vertical_on",
 		rules = vertical_rules,
-	}},
-	after_place_node = vertical_update,
-	after_dig_node = vertical_update,
-})
-
--- Vertical wire top
-minetest.register_node("mesecons_extrawires:vertical_top_on", {
-	description = "Vertical mesecon",
-	drawtype = "nodebox",
-	tiles = {"wires_full_on.png","wires_full_on.png","wires_vertical_on.png"},
-	walkable = false,
-	paramtype = "light",
-	sunlight_propagates = true,
+	}}
+},{
+	tiles = {"mesecons_wire_on.png"},
 	groups = {dig_immediate=3, not_in_creative_inventory=1},
-	selection_box = top_box,
-	node_box = top_box,
-	is_vertical_conductor = true,
 	vertical_conductor_state = "on",
 	mesecons = {conductor = {
 		state = mesecon.state.on,
-		offstate = "mesecons_extrawires:vertical_top_off",
-		rules = top_rules,
-	}},
-	drop = "mesecons_extrawires:vertical_off",
-	after_place_node = vertical_update,
-	after_dig_node = vertical_update,
+		offstate = "mesecons_extrawires:vertical_off",
+		rules = vertical_rules,
+	}}
 })
 
-minetest.register_node("mesecons_extrawires:vertical_top_off", {
+-- Vertical wire top
+mesecon.register_node("mesecons_extrawires:vertical_top", {
 	description = "Vertical mesecon",
 	drawtype = "nodebox",
-	tiles = {"wires_full_off.png","wires_full_off.png","wires_vertical_off.png"},
 	walkable = false,
 	paramtype = "light",
 	sunlight_propagates = true,
@@ -143,43 +115,31 @@ minetest.register_node("mesecons_extrawires:vertical_top_off", {
 	selection_box = top_box,
 	node_box = top_box,
 	is_vertical_conductor = true,
+	drop = "mesecons_extrawires:vertical_off",
+	after_place_node = vertical_update,
+	after_dig_node = vertical_update
+},{
+	tiles = {"mesecons_wire_off.png"},
 	vertical_conductor_state = "off",
 	mesecons = {conductor = {
 		state = mesecon.state.off,
 		onstate = "mesecons_extrawires:vertical_top_on",
 		rules = top_rules,
-	}},
-	drop = "mesecons_extrawires:vertical_off",
-	after_place_node = vertical_update,
-	after_dig_node = vertical_update,
+	}}
+},{
+	tiles = {"mesecons_wire_on.png"},
+	vertical_conductor_state = "on",
+	mesecons = {conductor = {
+		state = mesecon.state.on,
+		offstate = "mesecons_extrawires:vertical_top_off",
+		rules = top_rules,
+	}}
 })
 
 -- Vertical wire bottom
-minetest.register_node("mesecons_extrawires:vertical_bottom_on", {
+mesecon.register_node("mesecons_extrawires:vertical_bottom", {
 	description = "Vertical mesecon",
 	drawtype = "nodebox",
-	tiles = {"wires_full_on.png","wires_full_on.png","wires_vertical_on.png"},
-	walkable = false,
-	paramtype = "light",
-	sunlight_propagates = true,
-	vertical_conductor_state = "on",
-	groups = {dig_immediate = 3, not_in_creative_inventory = 1},
-	selection_box = bottom_box,
-	node_box = bottom_box,
-	mesecons = {conductor = {
-		state = mesecon.state.on,
-		offstate = "mesecons_extrawires:vertical_bottom_off",
-		rules = bottom_rules,
-	}},
-	drop = "mesecons_extrawires:vertical_off",
-	after_place_node = vertical_update,
-	after_dig_node = vertical_update,
-})
-
-minetest.register_node("mesecons_extrawires:vertical_bottom_off", {
-	description = "Vertical mesecon",
-	drawtype = "nodebox",
-	tiles = {"wires_full_off.png","wires_full_off.png","wires_vertical_off.png"},
 	walkable = false,
 	paramtype = "light",
 	sunlight_propagates = true,
@@ -187,15 +147,25 @@ minetest.register_node("mesecons_extrawires:vertical_bottom_off", {
 	selection_box = bottom_box,
 	node_box = bottom_box,
 	is_vertical_conductor = true,
+	drop = "mesecons_extrawires:vertical_off",
+	after_place_node = vertical_update,
+	after_dig_node = vertical_update
+},{
+	tiles = {"mesecons_wire_off.png"},
 	vertical_conductor_state = "off",
 	mesecons = {conductor = {
 		state = mesecon.state.off,
 		onstate = "mesecons_extrawires:vertical_bottom_on",
 		rules = bottom_rules,
-	}},
-	drop = "mesecons_extrawires:vertical_off",
-	after_place_node = vertical_update,
-	after_dig_node = vertical_update,
+	}}
+},{
+	tiles = {"mesecons_wire_on.png"},
+	vertical_conductor_state = "on",
+	mesecons = {conductor = {
+		state = mesecon.state.on,
+		offstate = "mesecons_extrawires:vertical_bottom_off",
+		rules = bottom_rules,
+	}}
 })
 
 minetest.register_craft({

mesecons_gates/init.lua

@@ -1,223 +1,124 @@
-function gate_rotate_rules(node)
+local nodebox = {
+	type = "fixed",
+	fixed = {{-8/16, -8/16, -8/16, 8/16, -7/16, 8/16 }},
+}
+
+local function gate_rotate_rules(node, rules)
 	for rotations = 0, node.param2 - 1 do
-		rules = mesecon:rotate_rules_left(rules)
+		rules = mesecon.rotate_rules_left(rules)
 	end
 	return rules
 end
 
-function gate_get_output_rules(node)
-	rules = {{x=1, y=0, z=0}}
-	return gate_rotate_rules(node)
+local function gate_get_output_rules(node)
+	return gate_rotate_rules(node, {{x=1, y=0, z=0}})
 end
 
-function gate_get_input_rules_oneinput(node)
-	rules = {{x=-1, y=0, z=0}, {x=1, y=0, z=0}}
-	return gate_rotate_rules(node)
+local function gate_get_input_rules_oneinput(node)
+	return gate_rotate_rules(node, {{x=-1, y=0, z=0}})
 end
 
-function gate_get_input_rules_twoinputs(node)
-	rules = {
-	{x=0, y=0, z=1},
-	{x=0, y=0, z=-1},
-	{x=1, y=0, z=0}}
-	return gate_rotate_rules(node)
+local function gate_get_input_rules_twoinputs(node)
+	return gate_rotate_rules(node, {{x=0, y=0, z=1, name="input1"},
+		{x=0, y=0, z=-1, name="input2"}})
 end
 
-function update_gate(pos)
-	gate = get_gate(pos)
-	L = rotate_ports(
-		yc_get_real_portstates(pos),
-		minetest.get_node(pos).param2
-	)
-	if gate == "diode" then
-		set_gate(pos, L.a)
-	elseif gate == "not" then
-		set_gate(pos, not L.a)
-	elseif gate == "nand" then
-		set_gate(pos, not(L.b and L.d))
-	elseif gate == "and" then
-		set_gate(pos, L.b and L.d)
-	elseif gate == "xor" then
-		set_gate(pos, (L.b and not L.d) or (not L.b and L.d))
-	end
-end
+local function set_gate(pos, node, state)
+	local gate = minetest.registered_nodes[node.name]
 
-function set_gate(pos, on)
-	gate = get_gate(pos)
-	local meta = minetest.get_meta(pos)
-	if on ~= gate_state(pos) then
-		yc_heat(meta)
-		--minetest.after(0.5, yc_cool, meta)
-		if yc_overheat(meta) then
-			pop_gate(pos)
-		else
-			local node = minetest.get_node(pos)
-			if on then
-				minetest.swap_node(pos, {name = "mesecons_gates:"..gate.."_on", param2=node.param2})
-				mesecon:receptor_on(pos,
-				gate_get_output_rules(node))
-			else
-				minetest.swap_node(pos, {name = "mesecons_gates:"..gate.."_off", param2=node.param2})
-				mesecon:receptor_off(pos,
-				gate_get_output_rules(node))
-			end
-		end
-	end
-end
-
-function get_gate(pos)
-	return minetest.registered_nodes[minetest.get_node(pos).name].mesecons_gate
-end
-
-function gate_state(pos)
-	name = minetest.get_node(pos).name
-	return string.find(name, "_on") ~= nil
-end
-
-function pop_gate(pos)
-	gate = get_gate(pos)
+	if mesecon.do_overheat(pos) then
 		minetest.remove_node(pos)
-	minetest.after(0.2, yc_overheat_off, pos)
-	minetest.add_item(pos, "mesecons_gates:"..gate.."_off")
-end
-
-function rotate_ports(L, param2)
-	for rotations=0, param2-1 do
-		port = L.a
-		L.a = L.b
-		L.b = L.c
-		L.c = L.d
-		L.d = port
+		mesecon.receptor_off(pos, gate_get_output_rules(node))
+		minetest.add_item(pos, gate.drop)
+	elseif state then
+		minetest.swap_node(pos, {name = gate.onstate, param2=node.param2})
+		mesecon.receptor_on(pos, gate_get_output_rules(node))
+	else
+		minetest.swap_node(pos, {name = gate.offstate, param2=node.param2})
+		mesecon.receptor_off(pos, gate_get_output_rules(node))
 	end
-	return L
 end
 
-gates = {
-{name = "diode", inputnumber = 1}, 
-{name = "not"  , inputnumber = 1}, 
-{name = "nand" , inputnumber = 2},
-{name = "and"  , inputnumber = 2},
-{name = "xor"  , inputnumber = 2}}
+local function update_gate(pos, node, link, newstate)
+	local gate = minetest.registered_nodes[node.name]
 
-local onoff, drop, nodename, description, groups
-for _, gate in ipairs(gates) do
 	if gate.inputnumber == 1 then
-		get_rules = gate_get_input_rules_oneinput
+		set_gate(pos, node, gate.assess(newstate == "on"))
 	elseif gate.inputnumber == 2 then
-		get_rules = gate_get_input_rules_twoinputs
-	end
-	for on = 0, 1 do
-		nodename = "mesecons_gates:"..gate.name
-		if on == 1 then
-			onoff = "on"
-			drop = nodename.."_off"
-			nodename = nodename.."_"..onoff
-			description = "You hacker you!"
-			groups = {dig_immediate=2, not_in_creative_inventory=1, overheat = 1}
-		else
-			onoff = "off"
-			drop = nil
-			nodename = nodename.."_"..onoff
-			description = gate.name.." Gate"
-			groups = {dig_immediate=2, overheat = 1}
+		local meta = minetest.get_meta(pos)
+		meta:set_int(link.name, newstate == "on" and 1 or 0)
+
+		local val1 = meta:get_int("input1") == 1
+		local val2 = meta:get_int("input2") == 1
+		set_gate(pos, node, gate.assess(val1, val2))
 	end
+end
 
-		tiles = "jeija_microcontroller_bottom.png^"..
-			"jeija_gate_"..onoff..".png^"..
-			"jeija_gate_"..gate.name..".png"
+function register_gate(name, inputnumber, assess, recipe)
+	local get_inputrules = inputnumber == 2 and gate_get_input_rules_twoinputs or
+		gate_get_input_rules_oneinput
+	local description = "Mesecons Logic Gate: "..name
 
-		node_box = {
-			type = "fixed",
-			fixed = {
-				{-8/16, -8/16, -8/16, 8/16, -7/16, 8/16 },
-			},
-		}
-
-		local mesecon_state
-		if on == 1 then
-			mesecon_state = mesecon.state.on
-		else
-			mesecon_state = mesecon.state.off
-		end
-
-		minetest.register_node(nodename, {
+	local basename = "mesecons_gates:"..name
+	mesecon.register_node(basename, {
 		description = description,
+		inventory_image = "jeija_gate_off.png^jeija_gate_"..name..".png",
 		paramtype = "light",
 		paramtype2 = "facedir",
 		drawtype = "nodebox",
-			tiles = {tiles},
-			inventory_image = tiles,
-			selection_box = node_box,
-			node_box = node_box,
+		drop = basename.."_off",
+		selection_box = nodebox,
+		node_box = nodebox,
 		walkable = true,
-			on_construct = function(pos)
-				local meta = minetest.get_meta(pos)
-				meta:set_int("heat", 0)
-				update_gate(pos)
-			end,
-			groups = groups,
-			drop = drop,
 		sounds = default.node_sound_stone_defaults(),
-			mesecons_gate = gate.name,
-			mesecons =
-			{
-				receptor =
-				{
-					state = mesecon_state,
+		assess = assess,
+		onstate = basename.."_on",
+		offstate = basename.."_off",
+		inputnumber = inputnumber
+	},{
+		tiles = {"jeija_microcontroller_bottom.png^".."jeija_gate_off.png^"..
+			"jeija_gate_"..name..".png"},
+		groups = {dig_immediate = 2, overheat = 1},
+		mesecons = { receptor = {
+			state = "off",
 			rules = gate_get_output_rules
-				},
-				effector =
-				{
-					rules = get_rules,
+		}, effector = {
+			rules = get_inputrules,
 			action_change = update_gate
-				}
-			}
+		}}
+	},{
+		tiles = {"jeija_microcontroller_bottom.png^".."jeija_gate_on.png^"..
+			"jeija_gate_"..name..".png"},
+		groups = {dig_immediate = 2, not_in_creative_inventory = 1, overheat = 1},
+		mesecons = { receptor = {
+			state = "on",
+			rules = gate_get_output_rules
+		}, effector = {
+			rules = get_inputrules,
+			action_change = update_gate
+		}}
 	})
-	end
+
+	minetest.register_craft({output = basename.."_off", recipe = recipe})
 end
 
-minetest.register_craft({
-	output = 'mesecons_gates:diode_off',
-	recipe = {
-		{'', '', ''},
-		{'mesecons:mesecon', 'mesecons_torch:mesecon_torch_on', 'mesecons_torch:mesecon_torch_on'},
-		{'', '', ''},
-	},
-})
+register_gate("diode", 1, function (input) return input end,
+	{{"mesecons:mesecon", "mesecons_torch:mesecon_torch_on", "mesecons_torch:mesecon_torch_on"}})
 
-minetest.register_craft({
-	output = 'mesecons_gates:not_off',
-	recipe = {
-		{'', '', ''},
-		{'mesecons:mesecon', 'mesecons_torch:mesecon_torch_on', 'mesecons:mesecon'},
-		{'', '', ''},
-	},
-})
+register_gate("not", 1, function (input) return not input end,
+	{{"mesecons:mesecon", "mesecons_torch:mesecon_torch_on", "mesecons:mesecon"}})
 
-minetest.register_craft({
-	output = 'mesecons_gates:and_off',
-	recipe = {
-		{'mesecons:mesecon', '', ''},
-		{'', 'mesecons_materials:silicon', 'mesecons:mesecon'},
-		{'mesecons:mesecon', '', ''},
-	},
-})
+register_gate("and", 2, function (val1, val2) return val1 and val2 end,
+	{{"mesecons:mesecon", "", ""},
+	 {"", "mesecons_materials:silicon", "mesecons:mesecon"},
+	 {"mesecons:mesecon", "", ""}})
 
-minetest.register_craft({
-	output = 'mesecons_gates:nand_off',
-	recipe = {
-		{'mesecons:mesecon', '', ''},
-		{'', 'mesecons_materials:silicon', 'mesecons_torch:mesecon_torch_on'},
-		{'mesecons:mesecon', '', ''},
-	},
-})
-
-minetest.register_craft({
-	output = 'mesecons_gates:xor_off',
-	recipe = {
-		{'mesecons:mesecon', '', ''},
-		{'', 'mesecons_materials:silicon', 'mesecons_materials:silicon'},
-		{'mesecons:mesecon', '', ''},
-	},
-})
+register_gate("nand", 2, function (val1, val2) return not (val1 and val2) end,
+	{{"mesecons:mesecon", "", ""},
+	 {"", "mesecons_materials:silicon", "mesecons_torch:mesecon_torch_on"},
+	 {"mesecons:mesecon", "", ""}})
 
+register_gate("xor", 2, function (val1, val2) return (val1 or val2) and not (val1 and val2) end,
+	{{"mesecons:mesecon", "", ""},
+	 {"", "mesecons_materials:silicon", "mesecons_materials:silicon"},
+	 {"mesecons:mesecon", "", ""}})

mesecons_hydroturbine/init.lua

@@ -4,24 +4,17 @@
 -- (does not work with other liquids)
 
 minetest.register_node("mesecons_hydroturbine:hydro_turbine_off", {
-	drawtype = "nodebox",
+	drawtype = "mesh",
+	mesh = "jeija_hydro_turbine.obj",
 	tiles = {"jeija_hydro_turbine_off.png"},
+	inventory_image = "jeija_hydro_turbine_inv.png",
+	wield_scale = {x=0.75, y=0.75, z=0.75},
 	groups = {dig_immediate=2},
     	description="Water Turbine",
 	paramtype = "light",
 	selection_box = {
 		type = "fixed",
-		fixed = {{-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
-			{-0.15, 0.5, -0.15, 0.15, 1.45, 0.15},
-			{-0.45, 1.15, -0.1, 0.45, 1.45, 0.1},
-			{-0.1, 1.15, -0.45, 0.1, 1.45, 0.45}},
-	},
-	node_box = {
-		type = "fixed",
-		fixed = {{-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
-			{-0.15, 0.5, -0.15, 0.15, 1.45, 0.15},
-			{-0.45, 1.15, -0.1, 0.45, 1.45, 0.1},
-			{-0.1, 1.15, -0.45, 0.1, 1.45, 0.45}},
+		fixed = { -0.5, -0.5, -0.5, 0.5, 1.5, 0.5 },
 	},
 	sounds = default.node_sound_stone_defaults(),
 	mesecons = {receptor = {
@@ -30,25 +23,18 @@ minetest.register_node("mesecons_hydroturbine:hydro_turbine_off", {
 })
 
 minetest.register_node("mesecons_hydroturbine:hydro_turbine_on", {
-	drawtype = "nodebox",
+	drawtype = "mesh",
+	mesh = "jeija_hydro_turbine.obj",
+	wield_scale = {x=0.75, y=0.75, z=0.75},
 	tiles = {"jeija_hydro_turbine_on.png"},
+	inventory_image = "jeija_hydro_turbine_inv.png",
 	drop = "mesecons_hydroturbine:hydro_turbine_off 1",
 	groups = {dig_immediate=2,not_in_creative_inventory=1},
 	description="Water Turbine",
 	paramtype = "light",
 	selection_box = {
 		type = "fixed",
-		fixed = {{-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
-			{-0.15, 0.5, -0.15, 0.15, 1.45, 0.15},
-			{-0.5, 1.15, -0.1, 0.5, 1.45, 0.1},
-			{-0.1, 1.15, -0.5, 0.1, 1.45, 0.5}},
-	},
-	node_box = {
-		type = "fixed",
-		fixed = {{-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
-			{-0.15, 0.5, -0.15, 0.15, 1.45, 0.15},
-			{-0.5, 1.15, -0.1, 0.5, 1.45, 0.1},
-			{-0.1, 1.15, -0.5, 0.1, 1.45, 0.5}},
+		fixed = { -0.5, -0.5, -0.5, 0.5, 1.5, 0.5 },
 	},
 	sounds = default.node_sound_stone_defaults(),
 	mesecons = {receptor = {
@@ -66,7 +52,7 @@ nodenames = {"mesecons_hydroturbine:hydro_turbine_off"},
 		if minetest.get_node(waterpos).name=="default:water_flowing" then
 			minetest.add_node(pos, {name="mesecons_hydroturbine:hydro_turbine_on"})
 			nodeupdate(pos)
-			mesecon:receptor_on(pos)
+			mesecon.receptor_on(pos)
 		end
 	end,
 })
@@ -80,7 +66,7 @@ nodenames = {"mesecons_hydroturbine:hydro_turbine_on"},
 		if minetest.get_node(waterpos).name~="default:water_flowing" then
 			minetest.add_node(pos, {name="mesecons_hydroturbine:hydro_turbine_off"})
 			nodeupdate(pos)
-			mesecon:receptor_off(pos)
+			mesecon.receptor_off(pos)
 		end
 	end,
 })

mesecons_hydroturbine/models/jeija_hydro_turbine.obj

@@ -0,0 +1,416 @@
+# Blender v2.69 (sub 0) OBJ File: 'mesecons-water-turbine.blend'
+# www.blender.org
+o Cylinder.002_Cylinder.003
+v 0.000000 0.500000 -0.150000
+v 0.000000 0.562500 -0.150000
+v 0.106066 0.500000 -0.106066
+v 0.106066 0.562500 -0.106066
+v 0.150000 0.500000 0.000000
+v 0.150000 0.562500 0.000000
+v 0.106066 0.500000 0.106066
+v 0.106066 0.562500 0.106066
+v -0.000000 0.500000 0.150000
+v -0.000000 0.562500 0.150000
+v -0.106066 0.500000 0.106066
+v -0.106066 0.562500 0.106066
+v -0.150000 0.500000 -0.000000
+v -0.150000 0.562500 -0.000000
+v -0.106066 0.500000 -0.106066
+v -0.106066 0.562500 -0.106066
+v 0.097545 0.625000 -0.490393
+v -0.097545 0.625000 -0.490393
+v -0.277785 0.625000 -0.415735
+v -0.415735 0.625000 -0.277785
+v -0.490393 0.625000 -0.097545
+v -0.490393 0.625000 0.097545
+v -0.415735 0.625000 0.277785
+v -0.277785 0.625000 0.415735
+v -0.097545 0.625000 0.490393
+v 0.097545 0.625000 0.490393
+v 0.277785 0.625000 0.415735
+v 0.415735 0.625000 0.277785
+v 0.490393 0.625000 0.097545
+v 0.490393 0.625000 -0.097545
+v 0.415735 0.625000 -0.277785
+v 0.277785 0.625000 -0.415735
+v 0.097545 0.656250 -0.490393
+v -0.097545 0.656250 -0.490393
+v -0.277785 0.656250 -0.415735
+v -0.415735 0.656250 -0.277785
+v -0.490393 0.656250 -0.097545
+v -0.490393 0.656250 0.097545
+v -0.415735 0.656250 0.277785
+v -0.277785 0.656250 0.415735
+v -0.097545 0.656250 0.490393
+v 0.097545 0.656250 0.490393
+v 0.277785 0.656250 0.415735
+v 0.415735 0.656250 0.277785
+v 0.490393 0.656250 0.097545
+v 0.490393 0.656250 -0.097545
+v 0.415735 0.656250 -0.277785
+v 0.277785 0.656250 -0.415735
+v 0.116233 0.634645 -0.436100
+v 0.116233 1.482640 -0.436100
+v 0.299524 0.634645 -0.186124
+v 0.299524 1.482640 -0.186124
+v 0.343405 0.634645 0.080186
+v 0.343405 1.482640 0.080186
+v 0.186124 0.634645 0.299524
+v 0.186124 1.482640 0.299524
+v -0.080186 0.634645 0.343405
+v -0.080186 1.482640 0.343405
+v -0.299524 0.634645 0.186124
+v -0.299524 1.482640 0.186124
+v -0.343405 0.634645 -0.080186
+v -0.343405 1.482640 -0.080186
+v -0.186124 0.634645 -0.299524
+v -0.186124 1.482640 -0.299524
+v 0.080186 0.634645 -0.343405
+v 0.080186 1.482640 -0.343405
+v 0.390559 1.482640 -0.226180
+v 0.390559 0.634645 -0.226180
+v 0.436100 1.482640 0.116233
+v 0.436100 0.634645 0.116233
+v 0.226180 1.482640 0.390559
+v 0.226180 0.634645 0.390559
+v -0.116233 1.482640 0.436100
+v -0.116233 0.634645 0.436100
+v -0.390559 1.482640 0.226180
+v -0.390559 0.634645 0.226180
+v -0.436100 1.482640 -0.116233
+v -0.436100 0.634645 -0.116233
+v -0.226180 1.482640 -0.390559
+v -0.226180 0.634645 -0.390559
+v 0.108975 0.634645 -0.430778
+v 0.292266 0.634645 -0.180802
+v 0.292266 1.482640 -0.180802
+v 0.108975 1.482640 -0.430778
+v 0.381664 0.634645 -0.227549
+v 0.334509 0.634645 0.078817
+v 0.334509 1.482640 0.078817
+v 0.381664 1.482640 -0.227549
+v 0.430778 0.634645 0.108975
+v 0.180802 0.634645 0.292266
+v 0.180802 1.482640 0.292266
+v 0.430778 1.482640 0.108975
+v 0.227549 0.634645 0.381664
+v -0.078817 0.634645 0.334509
+v -0.078817 1.482640 0.334509
+v 0.227549 1.482640 0.381664
+v -0.108975 0.634645 0.430778
+v -0.292266 0.634645 0.180802
+v -0.292266 1.482640 0.180802
+v -0.108975 1.482640 0.430778
+v -0.381664 0.634645 0.227549
+v -0.334509 0.634645 -0.078817
+v -0.334509 1.482640 -0.078817
+v -0.381664 1.482640 0.227549
+v -0.227549 0.634645 -0.381663
+v 0.078817 0.634645 -0.334509
+v 0.078817 1.482640 -0.334509
+v -0.227549 1.482640 -0.381663
+v -0.430779 0.634645 -0.108975
+v -0.180802 0.634645 -0.292266
+v -0.180802 1.482640 -0.292266
+v -0.430779 1.482640 -0.108975
+v 0.097545 1.500000 -0.490393
+v -0.097545 1.500000 -0.490393
+v -0.277785 1.500000 -0.415735
+v -0.415735 1.500000 -0.277785
+v -0.490393 1.500000 -0.097545
+v -0.490393 1.500000 0.097545
+v -0.415735 1.500000 0.277785
+v -0.277785 1.500000 0.415735
+v -0.097545 1.500000 0.490393
+v 0.097545 1.500000 0.490393
+v 0.277785 1.500000 0.415735
+v 0.415735 1.500000 0.277785
+v 0.490393 1.500000 0.097545
+v 0.490393 1.500000 -0.097545
+v 0.415735 1.500000 -0.277785
+v 0.277785 1.500000 -0.415735
+v 0.097545 1.468750 -0.490393
+v -0.097545 1.468750 -0.490393
+v -0.277785 1.468750 -0.415735
+v -0.415735 1.468750 -0.277785
+v -0.490393 1.468750 -0.097545
+v -0.490393 1.468750 0.097545
+v -0.415735 1.468750 0.277785
+v -0.277785 1.468750 0.415735
+v -0.097545 1.468750 0.490393
+v 0.097545 1.468750 0.490393
+v 0.277785 1.468750 0.415735
+v 0.415735 1.468750 0.277785
+v 0.490393 1.468750 0.097545
+v 0.490393 1.468750 -0.097545
+v 0.415735 1.468750 -0.277785
+v 0.277785 1.468750 -0.415735
+v 0.025624 0.559630 -0.061863
+v 0.025624 1.481372 -0.061863
+v 0.061863 0.559630 -0.025624
+v 0.061863 1.481372 -0.025624
+v 0.061863 0.559630 0.025624
+v 0.061863 1.481372 0.025624
+v 0.025624 0.559630 0.061863
+v 0.025624 1.481372 0.061863
+v -0.025624 0.559630 0.061863
+v -0.025624 1.481372 0.061863
+v -0.061863 0.559630 0.025624
+v -0.061863 1.481372 0.025624
+v -0.061863 0.559630 -0.025624
+v -0.061863 1.481372 -0.025624
+v -0.025624 0.559630 -0.061863
+v -0.025624 1.481372 -0.061863
+v 0.500000 -0.500000 -0.500000
+v 0.500000 -0.500000 0.500000
+v -0.500000 -0.500000 0.500000
+v -0.500000 -0.500000 -0.500000
+v 0.500000 0.500000 -0.500000
+v 0.500000 0.500000 0.500000
+v -0.500000 0.500000 0.500000
+v -0.500000 0.500000 -0.500000
+vt 0.416667 0.625000
+vt 0.416667 0.645833
+vt 0.395833 0.645833
+vt 0.395833 0.625000
+vt 0.375000 0.645833
+vt 0.375000 0.625000
+vt 0.291667 0.625000
+vt 0.291667 0.645833
+vt 0.312500 0.645833
+vt 0.312500 0.625000
+vt 0.333333 0.645833
+vt 0.333333 0.625000
+vt 0.354167 0.645833
+vt 0.354167 0.625000
+vt 0.708333 0.645833
+vt 0.729167 0.625000
+vt 0.750000 0.625000
+vt 0.770833 0.645833
+vt 0.770833 0.666667
+vt 0.750000 0.687500
+vt 0.729167 0.687500
+vt 0.708333 0.666667
+vt 0.437500 0.625000
+vt 0.437500 0.645833
+vt 0.458333 0.625000
+vt 0.458333 0.645833
+vt 0.656250 0.953125
+vt 0.593750 0.980469
+vt 0.531250 0.980469
+vt 0.468750 0.953125
+vt 0.421875 0.906250
+vt 0.394531 0.843750
+vt 0.394531 0.781250
+vt 0.421875 0.718750
+vt 0.468750 0.671875
+vt 0.531250 0.644531
+vt 0.593750 0.644531
+vt 0.656250 0.671875
+vt 0.703125 0.718750
+vt 0.730469 0.781250
+vt 0.730469 0.843750
+vt 0.703125 0.906250
+vt 0.019531 0.843750
+vt 0.019531 0.781250
+vt 0.046875 0.718750
+vt 0.093750 0.671875
+vt 0.156250 0.644531
+vt 0.218750 0.644531
+vt 0.281250 0.671875
+vt 0.328125 0.718750
+vt 0.355469 0.781250
+vt 0.355469 0.843750
+vt 0.328125 0.906250
+vt 0.281250 0.953125
+vt 0.218750 0.980469
+vt 0.156250 0.980469
+vt 0.093750 0.953125
+vt 0.046875 0.906250
+vt 0.187500 0.041667
+vt 0.104167 0.041667
+vt 0.104167 0.020833
+vt 0.187500 0.020833
+vt 0.270833 0.041667
+vt 0.270833 0.020833
+vt 0.354167 0.041667
+vt 0.354167 0.020833
+vt 0.437500 0.041667
+vt 0.437500 0.020833
+vt 0.520833 0.041667
+vt 0.520833 0.020833
+vt 0.354167 0.104167
+vt 0.270833 0.104167
+vt 0.270833 0.083333
+vt 0.354167 0.083333
+vt 0.604167 0.041667
+vt 0.604167 0.020833
+vt 0.687500 0.041667
+vt 0.687500 0.020833
+vt 0.437500 0.104167
+vt 0.437500 0.083333
+vt 0.104167 0.104167
+vt 0.020833 0.104167
+vt 0.020833 0.083333
+vt 0.104167 0.083333
+vt 0.520833 0.104167
+vt 0.520833 0.083333
+vt 0.187500 0.104167
+vt 0.187500 0.083333
+vt 0.604167 0.104167
+vt 0.604167 0.083333
+vt 0.687500 0.104167
+vt 0.687500 0.083333
+vt 0.020833 0.041667
+vt 0.020833 0.020833
+vt 0.979167 0.020833
+vt 0.979167 0.270833
+vt 0.895833 0.270833
+vt 0.895833 0.020833
+vt 0.875000 0.020833
+vt 0.875000 0.270833
+vt 0.791667 0.270833
+vt 0.791667 0.020833
+vt 0.687500 0.208333
+vt 0.687500 0.229167
+vt 0.604167 0.229167
+vt 0.604167 0.208333
+vt 0.104167 0.145833
+vt 0.104167 0.166667
+vt 0.020833 0.166667
+vt 0.020833 0.145833
+vt 0.187500 0.145833
+vt 0.187500 0.166667
+vt 0.270833 0.145833
+vt 0.270833 0.166667
+vt 0.354167 0.145833
+vt 0.354167 0.166667
+vt 0.187500 0.208333
+vt 0.187500 0.229167
+vt 0.104167 0.229167
+vt 0.104167 0.208333
+vt 0.437500 0.145833
+vt 0.437500 0.166667
+vt 0.520833 0.145833
+vt 0.520833 0.166667
+vt 0.270833 0.208333
+vt 0.270833 0.229167
+vt 0.604167 0.145833
+vt 0.604167 0.166667
+vt 0.354167 0.208333
+vt 0.354167 0.229167
+vt 0.687500 0.145833
+vt 0.687500 0.166667
+vt 0.437500 0.208333
+vt 0.437500 0.229167
+vt 0.020833 0.229167
+vt 0.020833 0.208333
+vt 0.520833 0.208333
+vt 0.520833 0.229167
+vt 0.854167 0.645833
+vt 0.854167 0.979167
+vt 0.812500 0.979167
+vt 0.812500 0.645833
+vt 0.979167 0.312500
+vt 0.979167 0.645833
+vt 0.937500 0.645833
+vt 0.937500 0.312500
+vt 0.895833 0.645833
+vt 0.895833 0.312500
+vt 0.854167 0.312500
+vt 0.812500 0.312500
+vt 0.979167 0.979167
+vt 0.937500 0.979167
+vt 0.895833 0.979167
+vt 0.020833 0.604167
+vt 0.020833 0.270833
+vt 0.354167 0.270833
+vt 0.354167 0.604167
+vt 0.729167 0.270833
+vt 0.729167 0.604167
+vt 0.395833 0.604167
+vt 0.395833 0.270833
+s off
+f 1/1 2/2 4/3 3/4
+f 3/4 4/3 6/5 5/6
+f 5/7 6/8 8/9 7/10
+f 7/10 8/9 10/11 9/12
+f 9/12 10/11 12/13 11/14
+f 11/14 12/13 14/5 13/6
+f 4/15 2/16 16/17 14/18 12/19 10/20 8/21 6/22
+f 15/23 16/24 2/2 1/1
+f 13/25 14/26 16/24 15/23
+f 130/27 129/28 144/29 143/30 142/31 141/32 140/33 139/34 138/35 137/36 136/37 135/38 134/39 133/40 132/41 131/42
+f 18/43 17/44 32/45 31/46 30/47 29/48 28/49 27/50 26/51 25/52 24/53 23/54 22/55 21/56 20/57 19/58
+f 27/59 28/60 44/61 43/62
+f 26/63 27/59 43/62 42/64
+f 25/65 26/63 42/64 41/66
+f 24/67 25/65 41/66 40/68
+f 23/69 24/67 40/68 39/70
+f 17/71 18/72 34/73 33/74
+f 22/75 23/69 39/70 38/76
+f 21/77 22/75 38/76 37/78
+f 32/79 17/71 33/74 48/80
+f 20/81 21/82 37/83 36/84
+f 31/85 32/79 48/80 47/86
+f 19/87 20/81 36/84 35/88
+f 30/89 31/85 47/86 46/90
+f 18/72 19/87 35/88 34/73
+f 29/91 30/89 46/90 45/92
+f 28/60 29/93 45/94 44/61
+f 49/95 50/96 52/97 51/98
+f 68/98 67/95 54/96 53/97
+f 70/95 69/96 56/97 55/98
+f 72/96 71/97 58/98 57/95
+f 74/95 73/96 60/97 59/98
+f 76/95 75/96 62/97 61/98
+f 80/96 79/97 66/98 65/95
+f 78/95 77/96 64/97 63/98
+f 81/99 82/100 83/101 84/102
+f 85/100 86/101 87/102 88/99
+f 89/101 90/102 91/99 92/100
+f 93/102 94/99 95/100 96/101
+f 97/102 98/99 99/100 100/101
+f 101/99 102/100 103/101 104/102
+f 105/102 106/99 107/100 108/101
+f 109/101 110/102 111/99 112/100
+f 75/100 76/99 101/98 104/97
+f 71/100 72/99 93/98 96/97
+f 67/98 68/97 85/100 88/99
+f 79/98 80/97 105/100 108/99
+f 77/100 78/99 109/98 112/97
+f 73/100 74/99 97/98 100/97
+f 69/98 70/97 89/100 92/99
+f 50/98 49/97 81/100 84/99
+f 33/51 34/52 35/53 36/54 37/55 38/56 39/57 40/58 41/43 42/44 43/45 44/46 45/47 46/48 47/49 48/50
+f 123/103 139/104 140/105 124/106
+f 122/107 138/108 139/109 123/110
+f 121/111 137/112 138/108 122/107
+f 120/113 136/114 137/112 121/111
+f 119/115 135/116 136/114 120/113
+f 113/117 129/118 130/119 114/120
+f 118/121 134/122 135/116 119/115
+f 117/123 133/124 134/122 118/121
+f 128/125 144/126 129/118 113/117
+f 116/127 132/128 133/124 117/123
+f 127/129 143/130 144/126 128/125
+f 115/131 131/132 132/128 116/127
+f 126/133 142/134 143/130 127/129
+f 114/120 130/119 131/135 115/136
+f 125/137 141/138 142/134 126/133
+f 124/106 140/105 141/138 125/137
+f 145/139 146/140 148/141 147/142
+f 147/143 148/144 150/145 149/146
+f 149/146 150/145 152/147 151/148
+f 151/148 152/147 154/139 153/149
+f 153/149 154/139 156/142 155/150
+f 155/144 156/151 158/152 157/145
+f 159/147 160/153 146/140 145/139
+f 157/145 158/152 160/153 159/147
+f 161/154 162/155 163/156 164/157
+f 165/155 168/156 167/157 166/154
+f 161/158 165/159 166/160 162/161
+f 162/158 166/159 167/160 163/161
+f 163/158 167/159 168/160 164/161
+f 165/160 161/161 164/158 168/159
+f 113/40 114/41 115/42 116/27 117/28 118/29 119/30 120/31 121/32 122/33 123/34 124/35 125/36 126/37 127/38 128/39

mesecons_insulated/init.lua

@@ -2,7 +2,7 @@ function insulated_wire_get_rules(node)
 	local rules = 	{{x = 1,  y = 0,  z = 0},
 			 {x =-1,  y = 0,  z = 0}}
 	if node.param2 == 1 or node.param2 == 3 then
-		return mesecon:rotate_rules_right(rules)
+		return mesecon.rotate_rules_right(rules)
 	end
 	return rules
 end
@@ -41,7 +41,7 @@ minetest.register_node("mesecons_insulated:insulated_on", {
 
 minetest.register_node("mesecons_insulated:insulated_off", {
 	drawtype = "nodebox",
-	description = "insulated mesecons",
+	description = "Insulated Mesecon",
 	tiles = {
 		"jeija_insulated_wire_sides_off.png",
 		"jeija_insulated_wire_sides_off.png",
@@ -78,7 +78,3 @@ minetest.register_craft({
 		{"mesecons_materials:fiber", "mesecons_materials:fiber", "mesecons_materials:fiber"},
 	}
 })
-
-mesecon:add_rules("insulated", {
-{x = 1,  y = 0,  z = 0},
-{x =-1,  y = 0,  z = 0}})

mesecons_lightstone/depends.txt

@@ -1 +1,2 @@
 mesecons
+dye

mesecons_lightstone/init.lua

@@ -14,7 +14,7 @@ local lightstone_rules = {
 	{x=0,  y=-1, z=0},
 }
 
-function mesecon:lightstone_add(name, base_item, texture_off, texture_on)
+function mesecon.lightstone_add(name, base_item, texture_off, texture_on)
 	minetest.register_node("mesecons_lightstone:lightstone_" .. name .. "_off", {
 		tiles = {texture_off},
 		groups = {cracky=2, mesecon_effector_off = 1, mesecon = 2},
@@ -52,9 +52,9 @@ function mesecon:lightstone_add(name, base_item, texture_off, texture_on)
 end
 
 
-mesecon:lightstone_add("red", "default:clay_brick", "jeija_lightstone_red_off.png", "jeija_lightstone_red_on.png")
-mesecon:lightstone_add("green", "default:cactus", "jeija_lightstone_green_off.png", "jeija_lightstone_green_on.png")
-mesecon:lightstone_add("blue", "mesecons_materials:fiber", "jeija_lightstone_blue_off.png", "jeija_lightstone_blue_on.png")
-mesecon:lightstone_add("gray", "default:cobble", "jeija_lightstone_gray_off.png", "jeija_lightstone_gray_on.png")
-mesecon:lightstone_add("darkgray", "default:gravel", "jeija_lightstone_darkgray_off.png", "jeija_lightstone_darkgray_on.png")
-mesecon:lightstone_add("yellow", "default:mese_crystal_fragment", "jeija_lightstone_yellow_off.png", "jeija_lightstone_yellow_on.png")
+mesecon.lightstone_add("red", "dye:red", "jeija_lightstone_red_off.png", "jeija_lightstone_red_on.png")
+mesecon.lightstone_add("green", "dye:green", "jeija_lightstone_green_off.png", "jeija_lightstone_green_on.png")
+mesecon.lightstone_add("blue", "dye:blue", "jeija_lightstone_blue_off.png", "jeija_lightstone_blue_on.png")
+mesecon.lightstone_add("gray", "dye:grey", "jeija_lightstone_gray_off.png", "jeija_lightstone_gray_on.png")
+mesecon.lightstone_add("darkgray", "dye:dark_grey", "jeija_lightstone_darkgray_off.png", "jeija_lightstone_darkgray_on.png")
+mesecon.lightstone_add("yellow", "dye:yellow", "jeija_lightstone_yellow_off.png", "jeija_lightstone_yellow_on.png")

mesecons_luacontroller/init.lua

@@ -1,11 +1,21 @@
+--        ______
+--       |
+--       |
+--       |        __       ___  _   __         _  _
+-- |   | |       |  | |\ |  |  |_| |  | |  |  |_ |_|
+-- |___| |______ |__| | \|  |  | \ |__| |_ |_ |_ |\
+-- |
+-- |
+--
+
 -- Reference
--- ports = get_real_portstates(pos): gets if inputs are powered from outside
--- newport = merge_portstates(state1, state2): just does result = state1 or state2 for every port
--- action_setports(pos, rule, state): activates/deactivates the mesecons according to the portstates (helper for action)
--- action(pos, ports): Applies new portstates to a luacontroller at pos
--- lc_update(pos): updates the controller at pos by executing the code
--- reset_meta (pos, code, errmsg): performs a software-reset, installs new code and prints error messages
--- reset (pos): performs a hardware reset, turns off all ports
+-- ports = get_real_port_states(pos): gets if inputs are powered from outside
+-- newport = merge_port_states(state1, state2): just does result = state1 or state2 for every port
+-- set_port(pos, rule, state): activates/deactivates the mesecons according to the port states
+-- set_port_states(pos, ports): Applies new port states to a LuaController at pos
+-- run(pos): runs the code in the controller at pos
+-- reset_meta(pos, code, errmsg): performs a software-reset, installs new code and prints error messages
+-- resetn(pos): performs a hardware reset, turns off all ports
 --
 -- The Sandbox
 -- The whole code of the controller runs in a sandbox,
@@ -20,42 +30,76 @@
 
 local BASENAME = "mesecons_luacontroller:luacontroller"
 
-local rules = {}
-rules.a = {x = -1, y = 0, z =  0, name="A"}
-rules.b = {x =  0, y = 0, z =  1, name="B"}
-rules.c = {x =  1, y = 0, z =  0, name="C"}
-rules.d = {x =  0, y = 0, z = -1, name="D"}
+local rules = {
+	a = {x = -1, y = 0, z =  0, name="A"},
+	b = {x =  0, y = 0, z =  1, name="B"},
+	c = {x =  1, y = 0, z =  0, name="C"},
+	d = {x =  0, y = 0, z = -1, name="D"},
+}
+
 
 ------------------
 -- Action stuff --
 ------------------
--- These helpers are required to set the portstates of the luacontroller
+-- These helpers are required to set the port states of the luacontroller
 
-local get_real_portstates = function(pos) -- determine if ports are powered (by itself or from outside)
-	ports = {
-		a = mesecon:is_power_on(mesecon:addPosRule(pos, rules.a), mesecon:invertRule(rules.a))
-			and mesecon:rules_link(mesecon:addPosRule(pos, rules.a), pos),
-		b = mesecon:is_power_on(mesecon:addPosRule(pos, rules.b), mesecon:invertRule(rules.b))
-			and mesecon:rules_link(mesecon:addPosRule(pos, rules.b), pos),
-		c = mesecon:is_power_on(mesecon:addPosRule(pos, rules.c), mesecon:invertRule(rules.c))
-			and mesecon:rules_link(mesecon:addPosRule(pos, rules.c), pos),
-		d = mesecon:is_power_on(mesecon:addPosRule(pos, rules.d), mesecon:invertRule(rules.d))
-			and mesecon:rules_link(mesecon:addPosRule(pos, rules.d), pos),
+local function update_real_port_states(pos, rule_name, new_state)
+	local meta = minetest.get_meta(pos)
+	if rule_name == nil then
+		meta:set_int("real_portstates", 1)
+		return
+	end
+	local n = meta:get_int("real_portstates") - 1
+	local L = {}
+	for i = 1, 4 do
+		L[i] = n % 2
+		n = math.floor(n / 2)
+	end
+	--                   (0,-1) (-1,0)      (1,0) (0,1)
+	local pos_to_side = {  4,     1,   nil,   3,    2 }
+	if rule_name.x == nil then
+		for _, rname in ipairs(rule_name) do
+			local port = pos_to_side[rname.x + (2 * rname.z) + 3]
+			L[port] = (newstate == "on") and 1 or 0
+		end
+	else
+		local port = pos_to_side[rule_name.x + (2 * rule_name.z) + 3]
+		L[port] = (new_state == "on") and 1 or 0
+	end
+	meta:set_int("real_portstates",
+		1 +
+		1 * L[1] +
+		2 * L[2] +
+		4 * L[3] +
+		8 * L[4])
+end
+
+
+local port_names = {"a", "b", "c", "d"}
+
+local function get_real_port_states(pos)
+	-- Determine if ports are powered (by itself or from outside)
+	local meta = minetest.get_meta(pos)
+	local L = {}
+	local n = meta:get_int("real_portstates") - 1
+	for _, name in ipairs(port_names) do
+		L[name] = ((n % 2) == 1)
+		n = math.floor(n / 2)
+	end
+	return L
+end
+
+
+local function merge_port_states(ports, vports)
+	return {
+		a = ports.a or vports.a,
+		b = ports.b or vports.b,
+		c = ports.c or vports.c,
+		d = ports.d or vports.d,
 	}
-	return ports
 end
 
-local merge_portstates = function (ports, vports)
-	local npo = {a=false, b=false, c=false, d=false}
-	npo.a = vports.a or ports.a
-	npo.b = vports.b or ports.b
-	npo.c = vports.c or ports.c
-	npo.d = vports.d or ports.d
-	return npo
-end
-
-local generate_name = function (ports)
-	local overwrite = overwrite or {}
+local function generate_name(ports)
 	local d = ports.d and 1 or 0
 	local c = ports.c and 1 or 0
 	local b = ports.b and 1 or 0
@@ -63,168 +107,175 @@ local generate_name = function (ports)
 	return BASENAME..d..c..b..a
 end
 
-local setport = function (pos, rule, state)
+
+local function set_port(pos, rule, state)
 	if state then
-		mesecon:receptor_on(pos, {rule})
+		mesecon.receptor_on(pos, {rule})
 	else
-		mesecon:receptor_off(pos, {rule})
+		mesecon.receptor_off(pos, {rule})
 	end
 end
 
-local action = function (pos, ports)
+
+local function clean_port_states(ports)
+	ports.a = ports.a and true or false
+	ports.b = ports.b and true or false
+	ports.c = ports.c and true or false
+	ports.d = ports.d and true or false
+end
+
+
+local function set_port_states(pos, ports)
 	local node = minetest.get_node(pos)
 	local name = node.name
+	clean_port_states(ports)
 	local vports = minetest.registered_nodes[name].virtual_portstates
-	local newname = generate_name(ports)
+	local new_name = generate_name(ports)
 
-	if name ~= newname and vports then
-		local rules_on  = {}
-		local rules_off = {}
+	if name ~= new_name and vports then
+		-- Problem:
+		-- We need to place the new node first so that when turning
+		-- off some port, it won't stay on because the rules indicate
+		-- there is an onstate output port there.
+		-- When turning the output off then, it will however cause feedback
+		-- so that the luacontroller will receive an "off" event by turning
+		-- 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")) or {}
+		if ports.a and not vports.a and not mesecon.is_powered(pos, rules.a) then ign.A = true end
+		if ports.b and not vports.b and not mesecon.is_powered(pos, rules.b) then ign.B = true end
+		if ports.c and not vports.c and not mesecon.is_powered(pos, rules.c) then ign.C = true end
+		if ports.d and not vports.d and not mesecon.is_powered(pos, rules.d) then ign.D = true end
+		meta:set_string("ignore_offevents", minetest.serialize(ign))
 
-		minetest.swap_node(pos, {name = newname, param2 = node.param2})
+		minetest.swap_node(pos, {name = new_name, param2 = node.param2})
 
-		if ports.a ~= vports.a then setport(pos, rules.a, ports.a) end
-		if ports.b ~= vports.b then setport(pos, rules.b, ports.b) end
-		if ports.c ~= vports.c then setport(pos, rules.c, ports.c) end
-		if ports.d ~= vports.d then setport(pos, rules.d, ports.d) end
+		if ports.a ~= vports.a then set_port(pos, rules.a, ports.a) end
+		if ports.b ~= vports.b then set_port(pos, rules.b, ports.b) end
+		if ports.c ~= vports.c then set_port(pos, rules.c, ports.c) end
+		if ports.d ~= vports.d then set_port(pos, rules.d, ports.d) end
 	end
 end
 
---------------------
--- Overheat stuff --
---------------------
 
-local heat = function (meta) -- warm up
-	h = meta:get_int("heat")
-	if h ~= nil then
-		meta:set_int("heat", h + 1)
-	end
+-----------------
+-- Overheating --
+-----------------
+
+local function overheat_off(pos)
+	mesecon.receptor_off(pos, mesecon.rules.flat)
 end
 
---local cool = function (meta) -- cool down after a while
---	h = meta:get_int("heat")
---	if h ~= nil then
---		meta:set_int("heat", h - 1)
---	end
---end
 
-local overheat = function (meta) -- determine if too hot
-	h = meta:get_int("heat")
-	if h == nil then return true end -- if nil then overheat
-	if h > 40 then 
+local function overheat(pos, meta)
+	if mesecon.do_overheat(pos) then -- If too hot
+		local node = minetest.get_node(pos)
+		node.name = BASENAME.."_burnt"
+		minetest.swap_node(pos, node)
+		-- Wait for pending operations
+		minetest.after(0.2, overheat_off, pos)
 		return true
-	else 
-		return false 
 	end
 end
 
-local overheat_off = function(pos)
-	mesecon:receptor_off(pos, mesecon.rules.flat)
-end
+------------------------
+-- Ignored off events --
+------------------------
 
--------------------
--- Parsing stuff --
--------------------
-
-local code_prohibited = function(code)
-	-- Clean code
-	local prohibited = {"while", "for", "repeat", "until", "function", "goto"}
-	for _, p in ipairs(prohibited) do
-		if string.find(code, p) then
-			return "Prohibited command: "..p
-		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")) or {}
+	if ignore_offevents[event.pin.name] then
+		ignore_offevents[event.pin.name] = nil
+		meta:set_string("ignore_offevents", minetest.serialize(ignore_offevents))
+		return true
 	end
 end
 
-local safe_print = function(param)
+-------------------------
+-- Parsing and running --
+-------------------------
+
+local function safe_print(param)
 	print(dump(param))
 end
 
-deep_copy = function(original, visited) --deep copy that removes functions
-	visited = visited or {}
-	if visited[original] ~= nil then --already visited this node
-		return visited[original]
+local function remove_functions(x)
+	local tp = type(x)
+	if tp == "table" then
+		for key, value in pairs(x) do
+			local key_t, val_t = type(key), type(value)
+			if key_t == "function" or val_t == "function" then
+				x[key] = nil
+			else
+				if key_t == "table" then
+					remove_functions(key)
 				end
-	if type(original) == 'table' then --nested table
-		local copy = {}
-		visited[original] = copy
-		for key, value in next, original, nil do
-			copy[deep_copy(key, visited)] = deep_copy(value, visited)
+				if val_t == "table" then
+					remove_functions(value)
 				end
-		setmetatable(copy, deep_copy(getmetatable(original), visited))
-		return copy
-	elseif type(original) == 'function' then --ignore functions
+			end
+		end
+	elseif tp == "function" then
 		return nil
-	else --by-value type
-		return original
 	end
+	return x
 end
 
-local safe_serialize = function(value)
-	return minetest.serialize(deep_copy(value))
-end
-
-local interrupt = function(params)
-	lc_update(params.pos, {type="interrupt", iid = params.iid})
-end
-
-local getinterrupt = function(pos)
-	local interrupt = function (time, iid) -- iid = interrupt id
+local function get_interrupt(pos)
+	-- iid = interrupt id
+	local function interrupt(time, iid)
 		if type(time) ~= "number" then return end
-		local iid = iid or math.random()
-		local meta = minetest.get_meta(pos)
-		local interrupts = minetest.deserialize(meta:get_string("lc_interrupts")) or {}
-		local found = false
-		local search = safe_serialize(iid)
-		for _, i in ipairs(interrupts) do
-			if safe_serialize(i) == search then
-				found = true
-				break
-			end
-		end
-		if not found then
-			table.insert(interrupts, iid)
-			meta:set_string("lc_interrupts", safe_serialize(interrupts))
-		end
-		minetest.after(time, interrupt, {pos=pos, iid = iid})
+		local luac_id = minetest.get_meta(pos):get_int("luac_id")
+		mesecon.queue:add_action(pos, "lc_interrupt", {luac_id, iid}, time, iid, 1)
 	end
 	return interrupt
 end
 
-local getdigiline_send = function (pos)
-	local digiline_send = function (channel, msg)
-		if digiline then
+
+local function get_digiline_send(pos)
+	if not digiline then return end
+	return function(channel, msg)
+		minetest.after(0, function()
 			digiline:receptor_send(pos, digiline.rules.default, channel, msg)
+		end)
 	end
-	end
-	return digiline_send
 end
 
-local create_environment = function(pos, mem, event)
+
+local safe_globals = {
+	"assert", "error", "ipairs", "next", "pairs", "pcall", "select",
+	"tonumber", "tostring", "type", "unpack", "_VERSION", "xpcall", 
+}
+local function create_environment(pos, mem, event)
 	-- Gather variables for the environment
 	local vports = minetest.registered_nodes[minetest.get_node(pos).name].virtual_portstates
-	vports = {a = vports.a, b = vports.b, c = vports.c, d = vports.d}
-	local rports = get_real_portstates(pos)
+	local vports_copy = {}
+	for k, v in pairs(vports) do vports_copy[k] = v end
+	local rports = get_real_port_states(pos)
 
-	return {
-			print = safe_print,
-			pin = merge_portstates(vports, rports),
-			port = vports,
-			interrupt = getinterrupt(pos),
-			digiline_send = getdigiline_send(pos),
+	-- Create new library tables on each call to prevent one LuaController
+	-- from breaking a library and messing up other LuaControllers.
+	local env = {
+		pin = merge_port_states(vports, rports),
+		port = vports_copy,
+		event = event,
 		mem = mem,
-			tostring = tostring,
-			tonumber = tonumber,
+		heat = minetest.get_meta(pos):get_int("heat"),
+		heat_max = mesecon.setting("overheat_max", 20),
+		print = safe_print,
+		interrupt = get_interrupt(pos),
+		digiline_send = get_digiline_send(pos),
 		string = {
 			byte = string.byte,
 			char = string.char,
-				find = string.find,
 			format = string.format,
-				gmatch = string.gmatch,
 			gsub = string.gsub,
 			len = string.len,
 			lower = string.lower,
-				match = string.match,
+			upper = string.upper,
 			rep = string.rep,
 			reverse = string.reverse,
 			sub = string.sub,
@@ -261,100 +312,119 @@ local create_environment = function(pos, mem, event)
 			tanh = math.tanh,
 		},
 		table = {
+			concat = table.concat,
 			insert = table.insert,
 			maxn = table.maxn,
 			remove = table.remove,
-				sort = table.sort
+			sort = table.sort,
+		},
+		os = {
+			clock = os.clock,
+			difftime = os.difftime,
+			time = os.time,
 		},
-			event = event,
 	}
+	env._G = env
+
+	for _, name in pairs(safe_globals) do
+		env[name] = _G[name]
+	end
+
+	return env
 end
 
-local create_sandbox = function (code, env)
-	-- Create Sandbox
+
+local function timeout()
+	debug.sethook()  -- Clear hook
+	error("Code timed out!")
+end
+
+
+local function code_prohibited(code)
+	-- LuaJIT doesn't increment the instruction counter when running
+	-- loops, so we have to sanitize inputs if we're using LuaJIT.
+	if not jit then
+		return false
+	end
+	local prohibited = {"while", "for", "do", "repeat", "until", "goto"}
+	code = " "..code.." "
+	for _, p in ipairs(prohibited) do
+		if string.find(code, "[^%w_]"..p.."[^%w_]") then
+			return "Prohibited command: "..p
+		end
+	end
+end
+
+
+local function create_sandbox(code, env)
 	if code:byte(1) == 27 then
-		return _, "You Hacker You! Don't use binary code!"
+		return nil, "Binary code prohibited."
 	end
-	f, msg = loadstring(code)
-	if not f then return _, msg end
+	local f, msg = loadstring(code)
+	if not f then return nil, msg end
 	setfenv(f, env)
-	return f
-end
 
-local do_overheat = function (pos, meta)
-	-- Overheat protection
-	heat(meta)
-	--minetest.after(0.5, cool, meta)
-	if overheat(meta) then
-		local node = minetest.get_node(pos)
-		minetest.swap_node(pos, {name = BASENAME.."_burnt", param2 = node.param2})
-		minetest.get_meta(pos):set_string("lc_interrupts", "")
-		minetest.after(0.2, overheat_off, pos) -- wait for pending operations
-		return true
+	return function(...)
+		debug.sethook(timeout, "", 10000)
+		local ok, ret = pcall(f, ...)
+		debug.sethook()  -- Clear hook
+		if not ok then error(ret) end
+		return ret
 	end
 end
 
-local load_memory = function(meta)
+
+local function load_memory(meta)
 	return minetest.deserialize(meta:get_string("lc_memory")) or {}
 end
 
-local save_memory = function(meta, mem)
-	meta:set_string("lc_memory", safe_serialize(mem))
+
+local function save_memory(meta, mem)
+	meta:set_string("lc_memory",
+		minetest.serialize(
+			remove_functions(mem)
+		)
+	)
 end
 
-local interrupt_allow = function (meta, event)
-	if event.type ~= "interrupt" then return true end
 
-	local interrupts = minetest.deserialize(meta:get_string("lc_interrupts")) or {}
-	local search = safe_serialize(event.iid)
-	for _, i in ipairs(interrupts) do
-		if safe_serialize(i) == search then
-			return true
-		end
-	end
-
-	return false
-end
-
-local ports_invalid = function (var)
-	if type(var) == "table" then
-		return false
-	end
-	return "The ports you set are invalid"
-end
-
-----------------------
--- Parsing function --
-----------------------
-
-lc_update = function (pos, event)
+local function run(pos, event)
 	local meta = minetest.get_meta(pos)
-	if not interrupt_allow(meta, event) then return end
-	if do_overheat(pos, meta) then return end
+	if overheat(pos) then return end
+	if ignore_event(event, meta) then return end
 
-	-- load code & mem from memory
+	-- Load code & mem from meta
 	local mem  = load_memory(meta)
 	local code = meta:get_string("code")
 
-	-- make sure code is ok and create environment
-	local prohibited = code_prohibited(code)
-	if 	prohibited then return prohibited end
+	local err = code_prohibited(code)
+	if err then return err end
+
+	-- Create environment
 	local env = create_environment(pos, mem, event)
 
-	-- create the sandbox and execute code
-	local chunk, msg = create_sandbox (code, env)
-	if not chunk then return msg end
+	-- Create the sandbox and execute code
+	local f, msg = create_sandbox(code, env)
+	if not f then return msg end
 	local success, msg = pcall(f)
 	if not success then return msg end
-	if ports_invalid(env.port) then return ports_invalid(env.port) end
+	if type(env.port) ~= "table" then
+		return "Ports set are invalid."
+	end
 
-	save_memory(meta, mem)
+	save_memory(meta, env.mem)
 
 	-- Actually set the ports
-	minetest.after(0, action, pos, env.port)
+	set_port_states(pos, env.port)
 end
 
-local reset_meta = function(pos, code, errmsg)
+mesecon.queue:add_function("lc_interrupt", function (pos, luac_id, iid)
+	-- There is no luacontroller anymore / it has been reprogrammed / replaced
+	if (minetest.get_meta(pos):get_int("luac_id") ~= luac_id) then return end
+	run(pos, {type="interrupt", iid = iid})
+end)
+
+local function reset_meta(pos, code, errmsg)
 	local meta = minetest.get_meta(pos)
 	meta:set_string("code", code)
 	code = minetest.formspec_escape(code or "")
@@ -366,109 +436,111 @@ local reset_meta = function(pos, code, errmsg)
 		"image_button_exit[9.72,-0.25;0.425,0.4;jeija_close_window.png;exit;]"..
 		"label[0.1,5;"..errmsg.."]")
 	meta:set_int("heat", 0)
+	meta:set_int("luac_id", math.random(1, 65535))
 end
 
-local reset = function (pos)
-	minetest.get_meta(pos):set_string("lc_interrupts", "")
-	action(pos, {a=false, b=false, c=false, d=false}, true)
+local function reset(pos)
+	set_port_states(pos, {a=false, b=false, c=false, d=false})
 end
 
---        ______
---       |
---       |
---       |        __       ___  _   __         _  _
--- |   | |       |  | |\ |  |  |_| |  | |  |  |_ |_|
--- |___| |______ |__| | \|  |  | \ |__| |_ |_ |_ |\
--- |
--- |
---
 
 -----------------------
 -- Node Registration --
 -----------------------
 
-local output_rules={}
-local input_rules={}
+local output_rules = {}
+local input_rules = {}
 
-local nodebox = {
+local node_box = {
 	type = "fixed",
 	fixed = {
-			{ -8/16, -8/16, -8/16, 8/16, -7/16, 8/16 }, -- bottom slab
-			{ -5/16, -7/16, -5/16, 5/16, -6/16, 5/16 }, -- circuit board
-			{ -3/16, -6/16, -3/16, 3/16, -5/16, 3/16 }, -- IC
-		}
+		{-8/16, -8/16, -8/16, 8/16, -7/16, 8/16}, -- Bottom slab
+		{-5/16, -7/16, -5/16, 5/16, -6/16, 5/16}, -- Circuit board
+		{-3/16, -6/16, -3/16, 3/16, -5/16, 3/16}, -- IC
 	}
+}
 
-local selectionbox = {
+local selection_box = {
 	type = "fixed",
 	fixed = { -8/16, -8/16, -8/16, 8/16, -5/16, 8/16 },
-	}
+}
 
 local digiline = {
 	receptor = {},
 	effector = {
-		action = function (pos, node, channel, msg)
-			lc_update (pos, {type = "digiline", channel = channel, msg = msg})
+		action = function(pos, node, channel, msg)
+			run(pos, {type = "digiline", channel = channel, msg = msg})
 		end
 	}
 }
+local function on_receive_fields(pos, form_name, fields)
+	if not fields.program then
+		return
+	end
+	reset(pos)
+	reset_meta(pos, fields.code)
+	local err = run(pos, {type="program"})
+	if err then
+		print(err)
+		reset_meta(pos, fields.code, err)
+	end
+end
 
-for a = 0, 1 do -- 0 = off; 1 = on
+for a = 0, 1 do -- 0 = off  1 = on
 for b = 0, 1 do
 for c = 0, 1 do
 for d = 0, 1 do
-
-local cid = tostring(d)..tostring(c)..tostring(b)..tostring(a)
-local nodename = BASENAME..cid
-local top = "jeija_luacontroller_top.png"
-if a == 1 then
+	local cid = tostring(d)..tostring(c)..tostring(b)..tostring(a)
+	local node_name = BASENAME..cid
+	local top = "jeija_luacontroller_top.png"
+	if a == 1 then
 		top = top.."^jeija_luacontroller_LED_A.png"
-end
-if b == 1 then
+	end
+	if b == 1 then
 		top = top.."^jeija_luacontroller_LED_B.png"
-end
-if c == 1 then
+	end
+	if c == 1 then
 		top = top.."^jeija_luacontroller_LED_C.png"
-end
-if d == 1 then
+	end
+	if d == 1 then
 		top = top.."^jeija_luacontroller_LED_D.png"
-end
+	end
 
-if a + b + c + d ~= 0 then
+	local groups
+	if a + b + c + d ~= 0 then
 		groups = {dig_immediate=2, not_in_creative_inventory=1, overheat = 1}
-else
+	else
 		groups = {dig_immediate=2, overheat = 1}
-end
+	end
 
-output_rules[cid] = {}
-input_rules[cid] = {}
-if (a == 1) then table.insert(output_rules[cid], rules.a) end
-if (b == 1) then table.insert(output_rules[cid], rules.b) end
-if (c == 1) then table.insert(output_rules[cid], rules.c) end
-if (d == 1) then table.insert(output_rules[cid], rules.d) end
+	output_rules[cid] = {}
+	input_rules[cid] = {}
+	if a == 1 then table.insert(output_rules[cid], rules.a) end
+	if b == 1 then table.insert(output_rules[cid], rules.b) end
+	if c == 1 then table.insert(output_rules[cid], rules.c) end
+	if d == 1 then table.insert(output_rules[cid], rules.d) end
 
-if (a == 0) then table.insert(input_rules[cid], rules.a) end
-if (b == 0) then table.insert(input_rules[cid], rules.b) end
-if (c == 0) then table.insert(input_rules[cid], rules.c) end
-if (d == 0) then table.insert(input_rules[cid], rules.d) end
+	if a == 0 then table.insert( input_rules[cid], rules.a) end
+	if b == 0 then table.insert( input_rules[cid], rules.b) end
+	if c == 0 then table.insert( input_rules[cid], rules.c) end
+	if d == 0 then table.insert( input_rules[cid], rules.d) end
 
-local mesecons = {
-	effector =
-	{
+	local mesecons = {
+		effector = {
 			rules = input_rules[cid],
-		action_change = function (pos, _, rulename, newstate)
-			lc_update(pos, {type=newstate,  pin=rulename})
+			action_change = function (pos, _, rule_name, new_state)
+				update_real_port_states(pos, rule_name, new_state)
+				run(pos, {type=new_state, pin=rule_name})
 			end,
 		},
-	receptor =
-	{
+		receptor = {
 			state = mesecon.state.on,
 			rules = output_rules[cid]
 		}
-}
+	}
 
-minetest.register_node(nodename, {
-	description = "Luacontroller",
+	minetest.register_node(node_name, {
+		description = "LuaController",
 		drawtype = "nodebox",
 		tiles = {
 			top,
@@ -478,43 +550,40 @@ minetest.register_node(nodename, {
 			"jeija_microcontroller_sides.png",
 			"jeija_microcontroller_sides.png"
 		},
-
 		inventory_image = top,
 		paramtype = "light",
 		groups = groups,
 		drop = BASENAME.."0000",
 		sunlight_propagates = true,
-	selection_box = selectionbox,
-	node_box = nodebox,
+		selection_box = selection_box,
+		node_box = node_box,
 		on_construct = reset_meta,
-	on_receive_fields = function(pos, formname, fields)
-		if fields.quit then
-			return
-		end
-		reset(pos)
-		reset_meta(pos, fields.code)
-		local err = lc_update(pos, {type="program"})
-		if err then print(err) end
-		reset_meta(pos, fields.code, err)
-	end,
+		on_receive_fields = on_receive_fields,
 		sounds = default.node_sound_stone_defaults(),
 		mesecons = mesecons,
 		digiline = digiline,
-	is_luacontroller = true,
-	virtual_portstates = {	a = a == 1, -- virtual portstates are
-					b = b == 1, -- the ports the the
-					c = c == 1, -- controller powers itself
-					d = d == 1},-- so those that light up
+		-- Virtual portstates are the ports that
+		-- the node shows as powered up (light up).
+		virtual_portstates = {
+			a = a == 1,
+			b = b == 1,
+			c = c == 1,
+			d = d == 1,
+		},
 		after_dig_node = function (pos, node)
-		mesecon:receptor_off(pos, output_rules)
+			mesecon.receptor_off(pos, output_rules)
 		end,
-})
+		is_luacontroller = true,
+	})
 end
 end
 end
 end
 
---overheated luacontroller
+------------------------------
+-- Overheated LuaController --
+------------------------------
+
 minetest.register_node(BASENAME .. "_burnt", {
 	drawtype = "nodebox",
 	tiles = {
@@ -530,22 +599,20 @@ minetest.register_node(BASENAME .. "_burnt", {
 	groups = {dig_immediate=2, not_in_creative_inventory=1},
 	drop = BASENAME.."0000",
 	sunlight_propagates = true,
-	selection_box = selectionbox,
-	node_box = nodebox,
+	selection_box = selection_box,
+	node_box = node_box,
 	on_construct = reset_meta,
-	on_receive_fields = function(pos, formname, fields)
-		if fields.quit then
-			return
-		end
-		reset(pos)
-		reset_meta(pos, fields.code)
-		local err = lc_update(pos, {type="program"})
-		if err then print(err) end
-		reset_meta(pos, fields.code, err)
-	end,
+	on_receive_fields = on_receive_fields,
 	sounds = default.node_sound_stone_defaults(),
-	is_luacontroller = true,
 	virtual_portstates = {a = false, b = false, c = false, d = false},
+	mesecons = {
+		effector = {
+			rules = mesecon.rules.flat,
+			action_change = function(pos, _, rule_name, new_state)
+				update_real_port_states(pos, rule_name, new_state)
+			end,
+		},
+	},
 })
 
 ------------------------

mesecons_materials/init.lua

@@ -14,7 +14,7 @@ minetest.register_craftitem("mesecons_materials:fiber", {
 minetest.register_craft({
 	output = "mesecons_materials:glue 2",
 	type = "cooking",
-	recipe = "default:sapling",
+	recipe = "group:sapling",
 	cooktime = 2
 })
 
@@ -35,7 +35,7 @@ minetest.register_craftitem("mesecons_materials:silicon", {
 minetest.register_craft({
 	output = "mesecons_materials:silicon 4",
 	recipe = {
-		{"default:sand", "default:sand"},
-		{"default:sand", "default:steel_ingot"},
+		{"group:sand", "group:sand"},
+		{"group:sand", "default:steel_ingot"},
 	}
 })