Update of Mesecon mod (http://github.com/Jeija/minetest-mod-mesecons)

Signed-off-by: LeMagnesium <mg.minetest@gmail.com>

mods/mesecons/mesecons/actionqueue.lua

@@ -12,19 +12,19 @@ function mesecon.queue:add_action(pos, func, params, time, overwritecheck, prior
 	-- 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),
+	local action = {	pos=mesecon.tablecopy(pos),
 				func=func,
-				params=mesecon:tablecopy(params),
+				params=mesecon.tablecopy(params or {}),
 				time=time,
-				owcheck=(overwritecheck and mesecon:tablecopy(overwritecheck)) or nil,
+				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
+			if(mesecon.cmpPos(pos, ac.pos)
+			and mesecon.cmpAny(overwritecheck, ac.owcheck)) then
 				toremove = i
 				break
 			end
@@ -44,7 +44,8 @@ end
 -- 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, highesti
+	local highestp = -1
+	local highesti
 	for i, ac in ipairs(actions) do
 		if ac.priority > highestp then
 			highestp = ac.priority
@@ -56,10 +57,13 @@ local get_highest_priority = function (actions)
 end
 
 local m_time = 0
+local resumetime = mesecon.setting("resumetime", 4)
 minetest.register_globalstep(function (dtime)
 	m_time = m_time + dtime
-	if (m_time < MESECONS_RESUMETIME) then return end -- don't even try if server has not been running for XY seconds
-	local actions = mesecon:tablecopy(mesecon.queue.actions)
+	-- 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 = {}

mods/mesecons/mesecons/init.lua

@@ -47,15 +47,14 @@ 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");
@@ -67,11 +66,6 @@ dofile(minetest.get_modpath("mesecons").."/actionqueue.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
 
@@ -79,8 +73,8 @@ mesecon.queue:add_function("receptor_on", function (pos, rules)
 	rules = rules or mesecon.rules.default
 
 	-- 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)
+	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)
@@ -89,16 +83,16 @@ mesecon.queue:add_function("receptor_on", function (pos, rules)
 	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 _, 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)
+function mesecon.receptor_on(pos, rules)
 	mesecon.queue:add_action(pos, "receptor_on", {rules}, nil, rules)
 end
 
@@ -106,34 +100,38 @@ mesecon.queue:add_function("receptor_off", function (pos, rules)
 	rules = rules or mesecon.rules.default
 
 	-- 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)
+	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 _, 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, 2)
+				mesecon.changesignal(np, minetest.get_node(np), rulename, mesecon.state.off, 2)
 			end
 		end
 	end
 end)
 
-function mesecon:receptor_off(pos, rules)
+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");
 

mods/mesecons/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, recdepth)		--> Activates   the effector node at the specific pos (calls nodedef.mesecons.effector.action_on), higher recdepths are executed later
--- mesecon:deactivate(pos, node, recdepth)		--> 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; Uses third parameter recdepth internally to determine how far away the current node is from the initial pos as it uses recursion
--- 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; Uses third parameter recdepth internally to determine how far away the current node is from the initial pos as it uses recursion
--- 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
@@ -183,159 +182,150 @@ end
 
 -- Activation:
 mesecon.queue:add_function("activate", function (pos, rulename)
-	node = minetest.get_node(pos)
-	effector = mesecon:get_effector(node.name)
+	local node = minetest.get_node(pos)
+	local effector = mesecon.get_effector(node.name)
 
 	if effector and effector.action_on then
 		effector.action_on(pos, node, rulename)
 	end
 end)
 
-function mesecon:activate(pos, node, rulename, recdepth)
+function mesecon.activate(pos, node, rulename, depth)
 	if rulename == nil then
-		for _,rule in ipairs(mesecon:effector_get_rules(node)) do
-			mesecon:activate(pos, node, rule, recdepth + 1)
+		for _,rule in ipairs(mesecon.effector_get_rules(node)) do
+			mesecon.activate(pos, node, rule, depth + 1)
 		end
 		return
 	end
-	mesecon.queue:add_action(pos, "activate", {rulename}, nil, rulename, 1 / recdepth)
+	mesecon.queue:add_action(pos, "activate", {rulename}, nil, rulename, 1 / depth)
 end
 
 
 -- Deactivation
 mesecon.queue:add_function("deactivate", function (pos, rulename)
-	node = minetest.get_node(pos)
-	effector = mesecon:get_effector(node.name)
+	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, recdepth)
+function mesecon.deactivate(pos, node, rulename, depth)
 	if rulename == nil then
-		for _,rule in ipairs(mesecon:effector_get_rules(node)) do
-			mesecon:deactivate(pos, node, rule, recdepth + 1)
+		for _,rule in ipairs(mesecon.effector_get_rules(node)) do
+			mesecon.deactivate(pos, node, rule, depth + 1)
 		end
 		return
 	end
-	mesecon.queue:add_action(pos, "deactivate", {rulename}, nil, rulename, 1 / recdepth)
+	mesecon.queue:add_action(pos, "deactivate", {rulename}, nil, rulename, 1 / depth)
 end
 
 
 -- Change
 mesecon.queue:add_function("change", function (pos, rulename, changetype)
-	node = minetest.get_node(pos)
-	effector = mesecon:get_effector(node.name)
+	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, changetype)
 	end
 end)
 
-function mesecon:changesignal(pos, node, rulename, newstate, recdepth)
+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, recdepth + 1)
+		for _,rule in ipairs(mesecon.effector_get_rules(node)) do
+			mesecon.changesignal(pos, node, rule, newstate, depth + 1)
 		end
 		return
 	end
 
-	mesecon.queue:add_action(pos, "change", {rulename, newstate}, nil, rulename, 1 / recdepth)
-end
-
--- #########
--- # Rules # "Database" for rulenames
--- #########
-
-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
@@ -349,128 +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, recdepth)
-	recdepth = recdepth or 2
-	if (recdepth > STACK_SIZE) then return end
-	local node = minetest.get_node(pos)
+function mesecon.turnon(pos, link)
+	local frontiers = {{pos = pos, link = link}}
 
-	if(node.name == "ignore") then
-		-- try turning on later again
-		mesecon.queue:add_action(
-			pos, "turnon", {rulename, recdepth + 1}, nil, true)
-	end
-	
-	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, recdepth + 1)
+		-- 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(f.pos, {name = mesecon.get_conductor_on(node, f.link),
+				param2 = node.param2})
+
+			-- call turnon 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, "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
 			end
-			return
-		end
-
-		minetest.swap_node(pos, {name = mesecon:get_conductor_on(node, rulename), param2 = node.param2})
-
-		for _, rule in ipairs(mesecon:rule2meta(rulename, rules)) do
-			local np = mesecon:addPosRule(pos, rule)
-			if(minetest.get_node(np).name == "ignore") then
-				-- try turning on later again
-				mesecon.queue:add_action(
-					np, "turnon", {rulename, recdepth + 1}, nil, true)
-			else
-				local rulenames = mesecon:rules_link_rule_all(pos, rule)
-
-				for _, rulename in ipairs(rulenames) do
-					mesecon:turnon(np, rulename, recdepth + 1)
-				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
-	elseif mesecon:is_effector(node.name) then
-		mesecon:changesignal(pos, node, rulename, mesecon.state.on, recdepth)
-		if mesecon:is_effector_off(node.name) then
-			mesecon:activate(pos, node, rulename, recdepth)
-		end
+		depth = depth + 1
 	end
 end
 
 mesecon.queue:add_function("turnon", function (pos, rulename, recdepth)
-	mesecon:turnon(pos, rulename, recdepth)
+	mesecon.turnon(pos, rulename, recdepth)
 end)
 
-function mesecon:turnoff(pos, rulename, recdepth)
-	recdepth = recdepth or 2
-	if (recdepth > STACK_SIZE) then return end
-	local node = minetest.get_node(pos)
+function mesecon.turnoff(pos, link)
+	local frontiers = {{pos = pos, link = link}}
 
-	if(node.name == "ignore") then
-		-- try turning on later again
-		mesecon.queue:add_action(
-			pos, "turnoff", {rulename, recdepth + 1}, nil, true)
-	end
+	local depth = 1
+	while frontiers[depth] do
+		local f = frontiers[depth]
+		local node = minetest.get_node_or_nil(f.pos)
 
-	if mesecon:is_conductor_on(node, rulename) then
-		local rules = mesecon:conductor_get_rules(node)
-		minetest.swap_node(pos, {name = mesecon:get_conductor_off(node, rulename), param2 = node.param2})
+		-- 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)
 
-		for _, rule in ipairs(mesecon:rule2meta(rulename, rules)) do
-			local np = mesecon:addPosRule(pos, rule)
-			if(minetest.get_node(np).name == "ignore") then
-				-- try turning on later again
-				mesecon.queue:add_action(
-					np, "turnoff", {rulename, recdepth + 1}, nil, true)
-			else
-				local rulenames = mesecon:rules_link_rule_all(pos, rule)
+			minetest.swap_node(f.pos, {name = mesecon.get_conductor_off(node, f.link),
+				param2 = node.param2})
 
-				for _, rulename in ipairs(rulenames) do
-					mesecon:turnoff(np, rulename, recdepth + 1)
+			-- 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
 			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
-	elseif mesecon:is_effector(node.name) then
-		mesecon:changesignal(pos, node, rulename, mesecon.state.off, recdepth)
-		if mesecon:is_effector_on(node.name)
-		and not mesecon:is_powered(pos) then
-			mesecon:deactivate(pos, node, rulename, recdepth + 1)
-		end
+		depth = depth + 1
 	end
 end
 
 mesecon.queue:add_function("turnoff", function (pos, rulename, recdepth)
-	mesecon:turnoff(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 rulenames = mesecon:rules_link_rule_all_inverted(pos, rule)
-		for _, rname in ipairs(rulenames) do
-			local np = mesecon:addPosRule(pos, rname)
-			if mesecon:find_receptor_on(np, {}, mesecon:invertRule(rname)) 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
@@ -479,68 +468,56 @@ function mesecon:connected_to_receptor(pos, rulename)
 	return false
 end
 
-function mesecon:find_receptor_on(pos, checked, rulename, recdepth)
-	recdepth = recdepth or 2
-	if (recdepth > STACK_SIZE) then return true end -- ignore request
-	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
-	end
+	-- 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 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
-		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 rulenames = mesecon:rules_link_rule_all_inverted(pos, rule)
-			for _, rname in ipairs(rulenames) do
-				local np = mesecon:addPosRule(pos, rname)
-				if mesecon:find_receptor_on(np, checked, mesecon:invertRule(rname), recdepth + 1) then
-					return true
+		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
+			
 		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})
+		depth = depth + 1
 	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
-						return true, inputrule
-					end
+				if  mesecon.cmpPos(mesecon.addPosRule(input, inputrule), output) then
+					return true, inputrule
 				end
 			end
 		end
@@ -548,161 +525,128 @@ function mesecon:rules_link(output, input, dug_outputrules) --output/input are p
 	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_rule_all_inverted(input, rule)
-	--local irule = mesecon:invertRule(rule)
-	local output = mesecon:addPosRule(input, rule)
+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)
+	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
-			if outputrule.sx == nil or rule.sx == nil or mesecon:cmpSpecial(outputrule, rule) then
-				rules[#rules+1] = mesecon:invertRule(outputrule)
-			end
+	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:rules_link_anydir(pos1, pos2)
-	return mesecon:rules_link(pos1, pos2) or mesecon:rules_link(pos2, pos1)
+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)
+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
 
+	-- List of nodes that send out power to pos
+	local sourcepos = {}
+
 	if not rule then
-		for _, rule in ipairs(mesecon:flattenrules(rules)) do
-			local rulenames = mesecon:rules_link_rule_all_inverted(pos, rule)
+		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 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
-					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
 	else
-		local rulenames = mesecon:rules_link_rule_all_inverted(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 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
-				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
+		table.insert(nr, {
+			x = -rule.z, 
+			y =  rule.y, 
+			z =  rule.x,
+			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
+		table.insert(nr, {
+			x =  rule.z, 
+			y =  rule.y, 
+			z = -rule.x,
+			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
+		table.insert(nr, {
+			x = -rule.y, 
+			y =  rule.x, 
+			z =  rule.z,
+			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
+		table.insert(nr, {
+			x =  rule.y, 
+			y = -rule.x, 
+			z =  rule.z,
+			name = rule.name})
 	end
 	return nr
 end

mods/mesecons/mesecons/legacy.lua

@@ -1,32 +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
 
-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"}
-
-function legacy_update_ports(pos)
-	local meta = minetest.get_meta(pos)
-	L = {
-		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 n = (L.a and 1 or 0) + (L.b and 2 or 0) + (L.c and 4 or 0) + (L.d and 8 or 0) + 1
-	meta:set_int("real_portstates", n)
-	return L
+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
+

mods/mesecons/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

mods/mesecons/mesecons/services.lua

@@ -1,44 +1,68 @@
 -- Dig and place services
 
 mesecon.on_placenode = function (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))
+	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
-		if mesecon:is_powered(pos) then
+	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)
-			mesecon:turnon (pos)
-			mesecon:receptor_on (pos, mesecon:conductor_get_rules(node))
-		elseif mesecon:is_conductor_off(node.name) then
-			minetest.swap_node(pos, {name = mesecon:get_conductor_off(node)})
+			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
-		if mesecon:is_powered(pos) then
-			mesecon:changesignal(pos, node, mesecon:effector_get_rules(node), "on", 1)
-			mesecon:activate(pos, node, nil, 1)
+	if mesecon.is_effector(node.name) then
+		local powered_rules = {}
+		local unpowered_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)
+			else table.insert(unpowered_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
 		else
-			mesecon:changesignal(pos, node, mesecon:effector_get_rules(node), "off", 1)
-			mesecon:deactivate(pos, node, nil, 1)
+			for _, r in ipairs(unpowered_rules) do
+				mesecon.deactivate(pos, node, r, 1)
+			end
 		end
 	end
 end
 
 mesecon.on_dignode = function (pos, 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))
+	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
 
+mesecon.queue:add_function("update_autoconnect", mesecon.update_autoconnect)
+
 minetest.register_on_placenode(mesecon.on_placenode)
 minetest.register_on_dignode(mesecon.on_dignode)
 
@@ -52,7 +76,7 @@ mesecon.do_overheat = function(pos)
 	heat = heat + 1
 	meta:set_int("heat", heat)
 
-	if heat < OVERHEAT_MAX then
+	if heat < mesecon.setting("overheat_max", 20) then
 		mesecon.queue:add_action(pos, "cooldown", {}, 1, nil, 0)
 	else
 		return true

mods/mesecons/mesecons/settings.lua

@@ -1,14 +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_RESUMETIME = 4		-- time to wait when starting the server before
-				-- processing the ActionQueue, don't set this too low
-OVERHEAT_MAX = 20		-- maximum heat of any component that directly sends an output
-				-- signal when the input changes (e.g. luacontroller, gates)
-				-- Unit: actions per second, checks are every 1 second
-STACK_SIZE = 3000		-- Recursive functions will abort when this is reached. Therefore,
-				-- this is also limits the maximum circuit size.
+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

mods/mesecons/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)
@@ -7,18 +7,18 @@ function mesecon:move_node(pos, newpos)
 end
 
 --[[ new functions:
-mesecon:flattenrules(allrules)
-mesecon:rule2bit(findrule, allrules)
-mesecon:rule2meta(findrule, allrules)
+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)
+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 +53,7 @@ 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
@@ -62,14 +62,14 @@ 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
@@ -77,20 +77,20 @@ function mesecon:rule2metaindex(findrule, allrules)
 	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)
+	local index = mesecon.rule2metaindex(findrule, allrules)
 	if index == nil then
 		if allrules[1].x then
 			return allrules
@@ -119,7 +119,7 @@ else
 	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
@@ -128,23 +128,23 @@ 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 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
+		if not mesecon.get_bit(binary,bit) then
 			return dec2bin(tonumber(binary,2)+math.pow(2,bit-1))
 		end
 	elseif value == "0" then
-		if mesecon:get_bit(binary,bit) then
+		if mesecon.get_bit(binary,bit) then
 			return dec2bin(tonumber(binary,2)-math.pow(2,bit-1))
 		end
 	end
@@ -152,29 +152,25 @@ function mesecon:set_bit(binary,bit,value)
 	
 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
@@ -183,13 +179,53 @@ function mesecon:tablecopy(table) -- deep table copy
 	return newtable
 end
 
-function mesecon:cmpAny(t1, t2)
+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
+		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

mods/mesecons/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}
+-- 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
+			rules = mesecon.get_any_rules(node)
+		end
 
-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}
+		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
 
--- Registering the wires
+-- Update this node
+local wire_updateconnect = function (pos)
+	local connections = {}
 
-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
+	for _, r in ipairs(mesecon.rules.default) do
+		if wire_getconnect(pos, mesecon.addPosRule(pos, r)) then
+			table.insert(connections, r)
+		end
+	end
 
-	local groups
-	local nodeid = 	tostring(xp )..tostring(zp )..tostring(xm )..tostring(zm )..
-			tostring(xpy)..tostring(zpy)..tostring(xmy)..tostring(zmy)
+	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
 
-	if nodeid == "00000000" then
-		groups = {dig_immediate = 3, mesecon_conductor_craftable=1}
-		wiredesc = "Mesecon"
+		-- 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
-		groups = {dig_immediate = 3, not_in_creative_inventory = 1}
-		wiredesc = "Mesecons Wire (ID: "..nodeid..")"
+		rules = mesecon.get_any_rules(node)
+	end
+	if (not rules) then return end
+
+	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
+
+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}
+}
+
+-- 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
 
-	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
-
-	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"
-		}
-	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"
-		}
+	-- 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
 
-	if nodeid == "00000000" then
-		nodebox = {-8/16, -.5, -1/16, 8/16, -.5+1/16, 1/16}
-	end
+	return i <= 8
+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 = {
-              		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={
+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 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
 
-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)
+		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 (nid_inc(nid) == false) then return end
 	end
 end
+register_wires()
 
-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)
-	end
-
-	nodename = minetest.get_node(pos).name
-	if string.find(nodename, "mesecons:wire_") == nil and not replace_old then return nil end
-
-	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" })
-	end
-end
-
-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({
-		type = "cooking",
-		output = "mesecons:wire_00000000_off 2",
-		recipe = "default:mese_crystal_fragment",
-		cooktime = 3,
-	})
-
-	minetest.register_craft({
-		type = "cooking",
-		output = "mesecons:wire_00000000_off 18",
-		recipe = "default:mese_crystal",
-		cooktime = 15,
-	})
-
-	minetest.register_craft({
-		type = "cooking",
-		output = "mesecons:wire_00000000_off 162",
-		recipe = "default:mese",
-		cooktime = 30,
-	})
-
-end
+-- ##############
+-- ## Crafting ##
+-- ##############
+minetest.register_craft({
+	type = "cooking",
+	output = "mesecons:wire_00000000_off 2",
+	recipe = "default:mese_crystal_fragment",
+	cooktime = 3,
+})
 
 minetest.register_craft({
 	type = "cooking",
-	output = "mesecons:wire_00000000_off 16",
+	output = "mesecons:wire_00000000_off 18",
 	recipe = "default:mese_crystal",
+	cooktime = 15,
+})
+
+minetest.register_craft({
+	type = "cooking",
+	output = "mesecons:wire_00000000_off 162",
+	recipe = "default:mese",
+	cooktime = 30,
 })

mods/mesecons/mesecons_blinkyplant/init.lua

@@ -1,98 +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},
-    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)
+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",
+	drawtype = "plantlike",
+	inventory_image = "jeija_blinky_plant_off.png",
+	paramtype = "light",
+	walkable = false,
+	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},
+	},
+	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 = {
-	{"","group:mesecon_conductor_craftable",""},
-	{"","group:mesecon_conductor_craftable",""},
-	{"default:sapling","default:sapling","default:sapling"},
-	}
+	recipe = {	{"","group:mesecon_conductor_craftable",""},
+			{"","group:mesecon_conductor_craftable",""},
+			{"default:sapling","default:sapling","default:sapling"}}
 })
-
-minetest.register_abm({
-	nodenames = {
-		"mesecons_blinkyplant:blinky_plant_off",
-		"mesecons_blinkyplant:blinky_plant_on"
-	},
-	interval = BLINKY_PLANT_INTERVAL,
-	chance = 1,
-	action = function(pos, node, active_object_count, active_object_count_wider)
-		if node.name == "mesecons_blinkyplant:blinky_plant_off" then
-			minetest.add_node(pos, {name="mesecons_blinkyplant:blinky_plant_on"})
-			mesecon:receptor_on(pos)
-		else
-			minetest.add_node(pos, {name="mesecons_blinkyplant:blinky_plant_off"})
-			mesecon:receptor_off(pos)
-		end
-		nodeupdate(pos)	
-	end,
-})
-

mods/mesecons/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,

mods/mesecons/mesecons_compatibility/init.lua

@@ -15,6 +15,17 @@ doors = {}
 --    selection_box_top
 --    only_placer_can_open: if true only the player who placed the door can
 --                          open it
+local function is_right(pos)
+	local r1 = minetest.get_node({x=pos.x-1, y=pos.y, z=pos.z})
+	local r2 = minetest.get_node({x=pos.x, y=pos.y, z=pos.z-1})
+	if string.find(r1.name, "door_") or string.find(r2.name, "door_") then
+		if string.find(r1.name, "_1") or string.find(r2.name, "_1") then
+			return true
+		else
+			return false
+		end
+	end
+end
 
 function doors:register_door(name, def)
 	def.groups.not_in_creative_inventory = 1
@@ -59,6 +70,19 @@ function doors:register_door(name, def)
 		meta = minetest.get_meta(pos):to_table()
 		minetest.set_node(pos, {name=replace, param2=p2})
 		minetest.get_meta(pos):from_table(meta)
+
+		local snd_1 = "_close"
+		local snd_2 = "_open"
+		if params[1] == 3 then
+			snd_1 = "_open"
+			snd_2 = "_close"
+		end
+
+		if is_right(pos) then
+			minetest.sound_play("door"..snd_1, {pos = pos, gain = 0.3, max_hear_distance = 10})
+		else
+			minetest.sound_play("door"..snd_2, {pos = pos, gain = 0.3, max_hear_distance = 10})
+		end
 	end
 
 	local function on_mesecons_signal_open (pos, node)

mods/mesecons/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
@@ -10,7 +10,7 @@ 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

mods/mesecons/mesecons_detector/init.lua

@@ -23,7 +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")
@@ -55,7 +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,
@@ -70,7 +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,
@@ -94,7 +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,
 })
@@ -106,7 +108,7 @@ 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,
 })
@@ -248,7 +250,7 @@ minetest.register_abm(
 	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)
+			mesecon.receptor_on(pos)
 		end
 	end,
 })
@@ -260,7 +262,7 @@ minetest.register_abm(
 	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)
+			mesecon.receptor_off(pos)
 		end
 	end,
 })

mods/mesecons/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

mods/mesecons/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",

mods/mesecons/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

mods/mesecons/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({

mods/mesecons/mesecons_gates/init.lua

@@ -1,222 +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, node, rulename, newstate)
-	yc_update_real_portstates(pos, node, rulename, newstate)
-	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))
+local function set_gate(pos, node, state)
+	local gate = minetest.registered_nodes[node.name]
+
+	if mesecon.do_overheat(pos) then
+		minetest.remove_node(pos)
+		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
 end
 
-function set_gate(pos, on)
-	gate = get_gate(pos)
-	local meta = minetest.get_meta(pos)
-	if on ~= gate_state(pos) then
-		if mesecon.do_overheat(pos) 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
+local function update_gate(pos, node, link, newstate)
+	local gate = minetest.registered_nodes[node.name]
 
-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)
-	minetest.remove_node(pos)
-	minetest.after(0.2, function (pos)
-		mesecon:receptor_off(pos, mesecon.rules.flat)
-	end , pos) -- wait for pending parsings
-	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
-	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 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}
-		end
+		local meta = minetest.get_meta(pos)
+		meta:set_int(link.name, newstate == "on" and 1 or 0)
 
-		tiles = "jeija_microcontroller_bottom.png^"..
-			"jeija_gate_"..onoff..".png^"..
-			"jeija_gate_"..gate.name..".png"
-
-		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, {
-			description = description,
-			paramtype = "light",
-			paramtype2 = "facedir",
-			drawtype = "nodebox",
-			tiles = {tiles},
-			inventory_image = tiles,
-			selection_box = node_box,
-			node_box = node_box,
-			walkable = true,
-			on_construct = function(pos)
-				local meta = minetest.get_meta(pos)
-				update_gate(pos)
-			end,
-			groups = groups,
-			drop = drop,
-			sounds = default.node_sound_stone_defaults(),
-			mesecons_gate = gate.name,
-			mesecons =
-			{
-				receptor =
-				{
-					state = mesecon_state,
-					rules = gate_get_output_rules
-				},
-				effector =
-				{
-					rules = get_rules,
-					action_change = update_gate
-				}
-			}
-		})
+		local val1 = meta:get_int("input1") == 1
+		local val2 = meta:get_int("input2") == 1
+		set_gate(pos, node, gate.assess(val1, val2))
 	end
 end
 
-minetest.register_craft({
-	output = 'mesecons_gates:diode_off',
-	recipe = {
-		{'', '', ''},
-		{'mesecons:mesecon', 'mesecons_torch:mesecon_torch_on', 'mesecons_torch:mesecon_torch_on'},
-		{'', '', ''},
-	},
-})
+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
 
-minetest.register_craft({
-	output = 'mesecons_gates:not_off',
-	recipe = {
-		{'', '', ''},
-		{'mesecons:mesecon', 'mesecons_torch:mesecon_torch_on', 'mesecons:mesecon'},
-		{'', '', ''},
-	},
-})
+	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",
+		drop = basename.."_off",
+		selection_box = nodebox,
+		node_box = nodebox,
+		walkable = true,
+		sounds = default.node_sound_stone_defaults(),
+		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},
+		mesecons = { receptor = {
+			state = "off",
+			rules = gate_get_output_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},
+		mesecons = { receptor = {
+			state = "on",
+			rules = gate_get_output_rules
+		}, effector = {
+			rules = get_inputrules,
+			action_change = update_gate
+		}}
+	})
 
-minetest.register_craft({
-	output = 'mesecons_gates:and_off',
-	recipe = {
-		{'mesecons:mesecon', '', ''},
-		{'', 'mesecons_materials:silicon', 'mesecons:mesecon'},
-		{'mesecons:mesecon', '', ''},
-	},
-})
+	minetest.register_craft({output = basename.."_off", recipe = recipe})
+end
 
-minetest.register_craft({
-	output = 'mesecons_gates:nand_off',
-	recipe = {
-		{'mesecons:mesecon', '', ''},
-		{'', 'mesecons_materials:silicon', 'mesecons_torch:mesecon_torch_on'},
-		{'mesecons:mesecon', '', ''},
-	},
-})
+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:xor_off',
-	recipe = {
-		{'mesecons:mesecon', '', ''},
-		{'', 'mesecons_materials:silicon', 'mesecons_materials:silicon'},
-		{'mesecons:mesecon', '', ''},
-	},
-})
+register_gate("not", 1, function (input) return not input end,
+	{{"mesecons:mesecon", "mesecons_torch:mesecon_torch_on", "mesecons:mesecon"}})
+
+register_gate("and", 2, function (val1, val2) return val1 and val2 end,
+	{{"mesecons:mesecon", "", ""},
+	 {"", "mesecons_materials:silicon", "mesecons:mesecon"},
+	 {"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", "", ""}})

mods/mesecons/mesecons_hydroturbine/init.lua

@@ -66,7 +66,7 @@ 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 +80,7 @@ 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,
 })

mods/mesecons/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}})

mods/mesecons/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", "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")

mods/mesecons/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,
@@ -20,70 +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
 
-function lc_update_real_portstates(pos, rulename, newstate)
+local function update_real_port_states(pos, rule_name, new_state)
 	local meta = minetest.get_meta(pos)
-	if rulename == nil then
+	if rule_name == nil then
 		meta:set_int("real_portstates", 1)
 		return
 	end
 	local n = meta:get_int("real_portstates") - 1
-	if n < 0 then
-		legacy_update_ports(pos)
-		n = meta:get_int("real_portstates") - 1
-	end
 	local L = {}
 	for i = 1, 4 do
-		L[i] = n%2
-		n = math.floor(n/2)
+		L[i] = n % 2
+		n = math.floor(n / 2)
 	end
-	if rulename.x == nil then
-		for _, rname in ipairs(rulename) do
-			local port = ({4, 1, nil, 3, 2})[rname.x+2*rname.z+3]
+	--                   (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 = ({4, 1, nil, 3, 2})[rulename.x+2*rulename.z+3]
-		L[port] = (newstate == "on") and 1 or 0
+		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 + L[1] + 2*L[2] + 4*L[3] + 8*L[4])
+	meta:set_int("real_portstates",
+		1 +
+		1 * L[1] +
+		2 * L[2] +
+		4 * L[3] +
+		8 * L[4])
 end
 
-local get_real_portstates = function(pos) -- determine if ports are powered (by itself or from outside)
+
+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
-	if n < 0 then
-		return legacy_update_ports(pos)
-	end
-	for _, index in ipairs({"a", "b", "c", "d"}) do
-		L[index] = ((n%2) == 1)
-		n = math.floor(n/2)
+	for _, name in ipairs(port_names) do
+		L[name] = ((n % 2) == 1)
+		n = math.floor(n / 2)
 	end
 	return L
 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
+
+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,
+	}
 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
@@ -91,101 +107,136 @@ 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 overheat_off = function(pos)
-	mesecon:receptor_off(pos, mesecon.rules.flat)
+-----------------
+-- Overheating --
+-----------------
+
+local function overheat_off(pos)
+	mesecon.receptor_off(pos, mesecon.rules.flat)
 end
 
--------------------
--- 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 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
 	end
 end
 
-local safe_print = function(param)
+------------------------
+-- Ignored off events --
+------------------------
+
+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
+
+-------------------------
+-- 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]
-	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)
+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 val_t == "table" then
+					remove_functions(value)
+				end
+			end
 		end
-		setmetatable(copy, deep_copy(getmetatable(original), visited))
-		return copy
-	elseif type(original) == 'function' then --ignore functions
+	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
-
-mesecon.queue:add_function("lc_interrupt", function (pos, iid, luac_id)
-	-- There is no luacontroller anymore / it has been reprogrammed / replaced
-	if (minetest.get_meta(pos):get_int("luac_id") ~= luac_id) then return end
-	lc_update(pos, {type="interrupt", iid = 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
-		luac_id = minetest.get_meta(pos):get_int("luac_id")
-		mesecon.queue:add_action(pos, "lc_interrupt", {iid, luac_id}, time, iid, 1)
+		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 function get_digiline_send(pos)
 	if not digiline then return end
-	-- Send messages on next serverstep
 	return function(channel, msg)
 		minetest.after(0, function()
 			digiline:receptor_send(pos, digiline.rules.default, channel, msg)
@@ -193,145 +244,187 @@ local getdigiline_send = function(pos)
 	end
 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),
-			mem = mem,
-			tostring = tostring,
-			tonumber = tonumber,
-			heat = minetest.get_meta(pos):get_int("heat"),
-			heat_max = OVERHEAT_MAX,
-			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,
-				upper = string.upper,
-				match = string.match,
-				rep = string.rep,
-				reverse = string.reverse,
-				sub = string.sub,
-			},
-			math = {
-				abs = math.abs,
-				acos = math.acos,
-				asin = math.asin,
-				atan = math.atan,
-				atan2 = math.atan2,
-				ceil = math.ceil,
-				cos = math.cos,
-				cosh = math.cosh,
-				deg = math.deg,
-				exp = math.exp,
-				floor = math.floor,
-				fmod = math.fmod,
-				frexp = math.frexp,
-				huge = math.huge,
-				ldexp = math.ldexp,
-				log = math.log,
-				log10 = math.log10,
-				max = math.max,
-				min = math.min,
-				modf = math.modf,
-				pi = math.pi,
-				pow = math.pow,
-				rad = math.rad,
-				random = math.random,
-				sin = math.sin,
-				sinh = math.sinh,
-				sqrt = math.sqrt,
-				tan = math.tan,
-				tanh = math.tanh,
-			},
-			table = {
-				insert = table.insert,
-				maxn = table.maxn,
-				remove = table.remove,
-				sort = table.sort
-			},
-			event = event,
+	-- 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,
+		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,
+			format = string.format,
+			gsub = string.gsub,
+			len = string.len,
+			lower = string.lower,
+			upper = string.upper,
+			rep = string.rep,
+			reverse = string.reverse,
+			sub = string.sub,
+		},
+		math = {
+			abs = math.abs,
+			acos = math.acos,
+			asin = math.asin,
+			atan = math.atan,
+			atan2 = math.atan2,
+			ceil = math.ceil,
+			cos = math.cos,
+			cosh = math.cosh,
+			deg = math.deg,
+			exp = math.exp,
+			floor = math.floor,
+			fmod = math.fmod,
+			frexp = math.frexp,
+			huge = math.huge,
+			ldexp = math.ldexp,
+			log = math.log,
+			log10 = math.log10,
+			max = math.max,
+			min = math.min,
+			modf = math.modf,
+			pi = math.pi,
+			pow = math.pow,
+			rad = math.rad,
+			random = math.random,
+			sin = math.sin,
+			sinh = math.sinh,
+			sqrt = math.sqrt,
+			tan = math.tan,
+			tanh = math.tanh,
+		},
+		table = {
+			concat = table.concat,
+			insert = table.insert,
+			maxn = table.maxn,
+			remove = table.remove,
+			sort = table.sort,
+		},
+		os = {
+			clock = os.clock,
+			difftime = os.difftime,
+			time = os.time,
+		},
 	}
+	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 lc_overheat = function (pos, meta)
-	if mesecon.do_overheat(pos) then -- if too hot
-		local node = minetest.get_node(pos)
-		minetest.swap_node(pos, {name = BASENAME.."_burnt", param2 = node.param2})
-		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 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 lc_overheat(pos) 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
-	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 "")
@@ -343,172 +436,154 @@ 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, 1000000))
+	meta:set_int("luac_id", math.random(1, 65535))
 end
 
-local reset = function (pos)
-	action(pos, {a=false, b=false, c=false, d=false})
+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 = {
-		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
-		}
+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
 	}
+}
 
-local selectionbox = {
-		type = "fixed",
-		fixed = { -8/16, -8/16, -8/16, 8/16, -5/16, 8/16 },
-	}
+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 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
+		top = top.."^jeija_luacontroller_LED_B.png"
+	end
+	if c == 1 then
+		top = top.."^jeija_luacontroller_LED_C.png"
+	end
+	if d == 1 then
+		top = top.."^jeija_luacontroller_LED_D.png"
+	end
 
-local cid = tostring(d)..tostring(c)..tostring(b)..tostring(a)
-local nodename = BASENAME..cid
-local top = "jeija_luacontroller_top.png"
-if a == 1 then
-	top = top.."^jeija_luacontroller_LED_A.png"
-end
-if b == 1 then
-	top = top.."^jeija_luacontroller_LED_B.png"
-end
-if c == 1 then
-	top = top.."^jeija_luacontroller_LED_C.png"
-end
-if d == 1 then
-	top = top.."^jeija_luacontroller_LED_D.png"
-end
+	local groups
+	if a + b + c + d ~= 0 then
+		groups = {dig_immediate=2, not_in_creative_inventory=1, overheat = 1}
+	else
+		groups = {dig_immediate=2, overheat = 1}
+	end
 
-if a + b + c + d ~= 0 then
-	groups = {dig_immediate=2, not_in_creative_inventory=1, overheat = 1}
-else
-	groups = {dig_immediate=2, overheat = 1}
-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 =
-	{
-		rules = input_rules[cid],
-		action_change = function (pos, _, rulename, newstate)
-			lc_update_real_portstates(pos, rulename, newstate)
-			lc_update(pos, {type=newstate,  pin=rulename})
-		end,
-	},
-	receptor =
-	{
-		state = mesecon.state.on,
-		rules = output_rules[cid]
-	}
-}
-
-minetest.register_node(nodename, {
-	description = "Luacontroller",
-	drawtype = "nodebox",
-	tiles = {
-		top,
-		"jeija_microcontroller_bottom.png",
-		"jeija_microcontroller_sides.png",
-		"jeija_microcontroller_sides.png",
-		"jeija_microcontroller_sides.png",
-		"jeija_microcontroller_sides.png"
+	local mesecons = {
+		effector = {
+			rules = input_rules[cid],
+			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,
 		},
-
-	inventory_image = top,
-	paramtype = "light",
-	groups = groups,
-	drop = BASENAME.."0000",
-	sunlight_propagates = true,
-	selection_box = selectionbox,
-	node_box = nodebox,
-	on_construct = reset_meta,
-	on_receive_fields = function(pos, formname, fields)
-		if not fields.program then
-			return
-		end
-		reset(pos)
-		reset_meta(pos, fields.code)
-		local err = lc_update(pos, {type="program"})
-		if err then
-			print(err)
-			reset_meta(pos, fields.code, err)
-		end
-	end,
-	on_timer = handle_timer,
-	sounds = default.node_sound_stone_defaults(),
-	mesecons = mesecons,
-	digiline = digiline,
-	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
-	after_dig_node = function (pos, node)
-		mesecon:receptor_off(pos, output_rules)
-	end,
-	is_luacontroller = true,
-})
-end
-end
-end
-end
-
-------------------------------
--- overheated luacontroller --
-------------------------------
-
-local mesecons_burnt = {
-	effector =
-	{
-		rules = mesecon.rules.flat,
-		action_change = function (pos, _, rulename, newstate)
-			-- only update portstates when changes are triggered
-			lc_update_real_portstates(pos, rulename, newstate)
-		end
+		receptor = {
+			state = mesecon.state.on,
+			rules = output_rules[cid]
+		}
 	}
-}
+
+	minetest.register_node(node_name, {
+		description = "LuaController",
+		drawtype = "nodebox",
+		tiles = {
+			top,
+			"jeija_microcontroller_bottom.png",
+			"jeija_microcontroller_sides.png",
+			"jeija_microcontroller_sides.png",
+			"jeija_microcontroller_sides.png",
+			"jeija_microcontroller_sides.png"
+		},
+		inventory_image = top,
+		paramtype = "light",
+		groups = groups,
+		drop = BASENAME.."0000",
+		sunlight_propagates = true,
+		selection_box = selection_box,
+		node_box = node_box,
+		on_construct = reset_meta,
+		on_receive_fields = on_receive_fields,
+		on_timer = handle_timer,
+		sounds = default.node_sound_stone_defaults(),
+		mesecons = mesecons,
+		digiline = digiline,
+		-- 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)
+		end,
+		is_luacontroller = true,
+	})
+end
+end
+end
+end
+
+------------------------------
+-- Overheated LuaController --
+------------------------------
 
 minetest.register_node(BASENAME .. "_burnt", {
 	drawtype = "nodebox",
@@ -526,23 +601,19 @@ minetest.register_node(BASENAME .. "_burnt", {
 	drop = BASENAME.."0000",
 	sunlight_propagates = true,
 	selection_box = selectionbox,
-	node_box = nodebox,
+	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)
-			reset_meta(pos, fields.code, err)
-		end
-	end,
+	on_receive_fields = on_receive_fields,
 	sounds = default.node_sound_stone_defaults(),
 	virtual_portstates = {a = false, b = false, c = false, d = false},
-	mesecons = mesecons_burnt,
+	mesecons = {
+		effector = {
+			rules = mesecon.rules.flat,
+			action_change = function(pos, _, rule_name, new_state)
+				update_real_port_states(pos, rule_name, new_state)
+			end,
+		},
+	},
 })
 
 ------------------------

mods/mesecons/mesecons_microcontroller/init.lua

@@ -1,5 +1,7 @@
 EEPROM_SIZE = 255
 
+local microc_rules = {}
+
 for a = 0, 1 do
 for b = 0, 1 do
 for c = 0, 1 do
@@ -34,7 +36,7 @@ if (a == 0) then table.insert(input_rules, {x = -1, y = 0, z =  0, name = "A"})
 if (b == 0) then table.insert(input_rules, {x =  0, y = 0, z =  1, name = "B"}) end
 if (c == 0) then table.insert(input_rules, {x =  1, y = 0, z =  0, name = "C"}) end
 if (d == 0) then table.insert(input_rules, {x =  0, y = 0, z = -1, name = "D"}) end
-mesecon:add_rules(nodename, rules)
+microc_rules[nodename] = rules
 
 local mesecons = {effector =
 {
@@ -131,8 +133,8 @@ minetest.register_node(nodename, {
 	sounds = default.node_sound_stone_defaults(),
 	mesecons = mesecons,
 	after_dig_node = function (pos, node)
-		rules = mesecon:get_rules(node.name)
-		mesecon:receptor_off(pos, rules)
+		rules = microc_rules[node.name]
+		mesecon.receptor_off(pos, rules)
 	end,
 })
 end
@@ -164,7 +166,7 @@ function update_yc(pos)
 	if (mesecon.do_overheat(pos)) then
 		minetest.remove_node(pos)
 		minetest.after(0.2, function (pos)
-			mesecon:receptor_off(pos, mesecon.rules.flat)
+			mesecon.receptor_off(pos, mesecon.rules.flat)
 		end , pos) -- wait for pending parsings
 		minetest.add_item(pos, "mesecons_microcontroller:microcontroller0000")
 	end
@@ -183,7 +185,7 @@ end
 
 --Code Parsing
 function yc_code_remove_commentary(code)
-	is_string = false
+	local is_string = false
 	for i = 1, #code do
 		if code:sub(i, i) == '"' then
 			is_string = not is_string --toggle is_string
@@ -203,15 +205,17 @@ function yc_parsecode(code, pos)
 	local c
 	local eeprom = meta:get_string("eeprom")
 	while true do
+		local command, params
 		command, endi = parse_get_command(code, endi)
 		if command == nil then return nil end
 		if command == true then break end --end of code
 		if command == "if" then
+			local r
 			r, endi = yc_command_if(code, endi, yc_merge_portstates(Lreal, Lvirtual), eeprom)
 			if r == nil then return nil end
 			if r == true then  -- nothing
 			elseif r == false then
-				endi_new = yc_skip_to_else (code, endi)
+				local endi_new = yc_skip_to_else (code, endi)
 				if endi_new == nil then --else > not found
 					endi = yc_skip_to_endif(code, endi)
 				else
@@ -221,7 +225,7 @@ function yc_parsecode(code, pos)
 			end
 		else
 			params, endi = parse_get_params(code, endi)
-			if params  == nil then return nil end
+			if not params then return nil end
 		end
 		if command == "on" then
 			L = yc_command_on (params, Lvirtual)
@@ -234,6 +238,7 @@ function yc_parsecode(code, pos)
 			local su = yc_command_after(params, pos)
 			if su == nil then return nil end
 		elseif command == "sbi" then
+			local new_eeprom
 			new_eeprom, Lvirtual = yc_command_sbi (params, eeprom, yc_merge_portstates(Lreal, Lvirtual), Lvirtual)
 			if new_eeprom == nil then return nil
 			else eeprom = new_eeprom end
@@ -251,7 +256,7 @@ end
 
 function parse_get_command(code, starti)
 	i = starti
-	s = nil
+	local s
 	while s ~= "" do
 		s = string.sub(code, i, i)
 		if s == "(" then
@@ -277,7 +282,7 @@ end
 
 function parse_get_params(code, starti)
 	i = starti
-	s = nil
+	local s
 	local params = {}
 	local is_string = false
 	while s ~= "" do
@@ -300,7 +305,7 @@ end
 
 function yc_parse_get_eeprom_param(cond, starti)
 	i = starti
-	s = nil
+	local s
 	local addr
 	while s ~= "" do
 		s = string.sub(cond, i, i)
@@ -403,7 +408,7 @@ function yc_command_sbi(params, eeprom, L, Lv)
 	end
 
 	--is an eeprom address
-	new_eeprom = "";
+	local new_eeprom = "";
 	for i=1, #eeprom do
 		if tonumber(params[1])==i then 
 			new_eeprom = new_eeprom..status
@@ -457,17 +462,17 @@ function yc_command_if(code, starti, L, eeprom)
 
 	cond = yc_command_parsecondition(cond, L, eeprom)
 
+	local result
 	if cond == "0" then result = false
-	elseif cond == "1" then result = true
-	else result = nil end
-	if result == nil then end
+	elseif cond == "1" then result = true end
+	if not result then end
 	return result, endi --endi from local cond, endi = yc_command_if_getcondition(code, starti)
 end
 
 --Condition parsing
 function yc_command_if_getcondition(code, starti)
 	i = starti
-	s = nil
+	local s
 	local brackets = 1 --1 Bracket to close
 	while s ~= "" do
 		s = string.sub(code, i, i)
@@ -501,8 +506,8 @@ function yc_command_parsecondition(cond, L, eeprom)
 	while i<=l do
 		local s = cond:sub(i,i)
 		if s == "#" then
-			addr, endi = yc_parse_get_eeprom_param(cond, i+1)
-			buf = yc_eeprom_read(tonumber(addr), eeprom)
+			local addr, endi = yc_parse_get_eeprom_param(cond, i+1)
+			local buf = yc_eeprom_read(tonumber(addr), eeprom)
 			if buf == nil then return nil end
 			local call = cond:sub(i, endi-1)
 			cond = string.gsub(cond, call, buf)
@@ -576,10 +581,8 @@ end
 
 --Virtual-Hardware functions
 function yc_eeprom_read(number, eeprom)
-	if number == nil then return nil, nil end
-	value = eeprom:sub(number, number)
-	if value  == nil then return nil, nil end
-	return value, endi
+	if not number then return end
+	return eeprom:sub(number, number)
 end
 
 --Real I/O functions
@@ -600,24 +603,24 @@ function yc_action_setports(pos, L, Lv)
 	local name = "mesecons_microcontroller:microcontroller"
 	local rules
 	if Lv.a ~= L.a then
-		rules = mesecon:get_rules(name.."0001")
-		if L.a == true then mesecon:receptor_on(pos, rules)
-		else mesecon:receptor_off(pos, rules) end
+		rules = microc_rules[name.."0001"]
+		if L.a == true then mesecon.receptor_on(pos, rules)
+		else mesecon.receptor_off(pos, rules) end
 	end
 	if Lv.b ~= L.b then
-		rules = mesecon:get_rules(name.."0010")
-		if L.b == true then mesecon:receptor_on(pos, rules)
-		else mesecon:receptor_off(pos, rules) end
+		rules = microc_rules[name.."0010"]
+		if L.b == true then mesecon.receptor_on(pos, rules)
+		else mesecon.receptor_off(pos, rules) end
 	end
 	if Lv.c ~= L.c then 
-		rules = mesecon:get_rules(name.."0100")
-		if L.c == true then mesecon:receptor_on(pos, rules)
-		else mesecon:receptor_off(pos, rules) end
+		rules = microc_rules[name.."0100"]
+		if L.c == true then mesecon.receptor_on(pos, rules)
+		else mesecon.receptor_off(pos, rules) end
 	end
 	if Lv.d ~= L.d then 
-		rules = mesecon:get_rules(name.."1000")
-		if L.d == true then mesecon:receptor_on(pos, rules)
-		else mesecon:receptor_off(pos, rules) end
+		rules = microc_rules[name.."1000"]
+		if L.d == true then mesecon.receptor_on(pos, rules)
+		else mesecon.receptor_off(pos, rules) end
 	end
 end
 
@@ -637,10 +640,6 @@ function yc_update_real_portstates(pos, node, rulename, newstate)
 		return
 	end
 	local n = meta:get_int("real_portstates") - 1
-	if n < 0 then
-		legacy_update_ports(pos)
-		n = meta:get_int("real_portstates") - 1
-	end
 	local L = {}
 	for i = 1, 4 do
 		L[i] = n%2
@@ -662,9 +661,6 @@ function yc_get_real_portstates(pos) -- determine if ports are powered (by itsel
 	local meta = minetest.get_meta(pos)
 	local L = {}
 	local n = meta:get_int("real_portstates") - 1
-	if n < 0 then
-		return legacy_update_ports(pos)
-	end
 	for _, index in ipairs({"a", "b", "c", "d"}) do
 		L[index] = ((n%2) == 1)
 		n = math.floor(n/2)
@@ -673,12 +669,12 @@ function yc_get_real_portstates(pos) -- determine if ports are powered (by itsel
 end
 
 function yc_get_virtual_portstates(pos) -- portstates according to the name
-	name = minetest.get_node(pos).name
-	b, a = string.find(name, ":microcontroller")
+	local name = minetest.get_node(pos).name
+	local b, a = string.find(name, ":microcontroller")
 	if a == nil then return nil end
 	a = a + 1
 
-	Lvirtual = {a=false, b=false, c=false, d=false}
+	local Lvirtual = {a=false, b=false, c=false, d=false}
 	if name:sub(a  , a  ) == "1" then Lvirtual.d = true end
 	if name:sub(a+1, a+1) == "1" then Lvirtual.c = true end
 	if name:sub(a+2, a+2) == "1" then Lvirtual.b = true end

mods/mesecons/mesecons_movestones/init.lua

@@ -8,7 +8,7 @@
 -- Pushes all block in front of it
 -- Pull all blocks in its back
 
-function mesecon:get_movestone_direction(pos)
+function mesecon.get_movestone_direction(pos)
 	getactivated = 0
 	local lpos
 	local getactivated = 0
@@ -28,28 +28,28 @@ function mesecon:get_movestone_direction(pos)
 
 	lpos = {x=pos.x+1, y=pos.y, z=pos.z}
 	for n = 1, 3 do
-		if mesecon:is_power_on(lpos, rules[n].x, rules[n].y, rules[n].z) then
+		if mesecon.is_power_on(lpos, rules[n].x, rules[n].y, rules[n].z) then
 			return {x=0, y=0, z=-1}
 		end
 	end
 
 	lpos = {x = pos.x-1, y = pos.y, z = pos.z}
 	for n=4, 6 do
-		if mesecon:is_power_on(lpos, rules[n].x, rules[n].y, rules[n].z) then
+		if mesecon.is_power_on(lpos, rules[n].x, rules[n].y, rules[n].z) then
 			return {x=0, y=0, z=1}
 		end
 	end
 
 	lpos = {x = pos.x, y = pos.y, z = pos.z+1}
 	for n=7, 9 do
-		if mesecon:is_power_on(lpos, rules[n].x, rules[n].y, rules[n].z) then
+		if mesecon.is_power_on(lpos, rules[n].x, rules[n].y, rules[n].z) then
 			return {x=-1, y=0, z=0}
 		end
 	end
 
 	lpos = {x = pos.x, y = pos.y, z = pos.z-1}
 	for n=10, 12 do
-		if mesecon:is_power_on(lpos, rules[n].x, rules[n].y, rules[n].z) then
+		if mesecon.is_power_on(lpos, rules[n].x, rules[n].y, rules[n].z) then
 			return {x=1, y=0, z=0}
 		end
 	end
@@ -64,10 +64,10 @@ minetest.register_node("mesecons_movestones:movestone", {
 	sounds = default.node_sound_stone_defaults(),
 	mesecons = {effector = {
 		action_on = function (pos, node)
-			local direction=mesecon:get_movestone_direction(pos)
+			local direction=mesecon.get_movestone_direction(pos)
 			if not direction then return end
 			minetest.remove_node(pos)
-			mesecon:update_autoconnect(pos)
+			mesecon.on_dignode(pos, node)
 			minetest.add_entity(pos, "mesecons_movestones:movestone_entity")
 		end
 	}}
@@ -89,30 +89,35 @@ minetest.register_entity("mesecons_movestones:movestone_entity", {
 	on_step = function(self, dtime)
 		local pos = self.object:getpos()
 		pos.x, pos.y, pos.z = math.floor(pos.x+0.5), math.floor(pos.y+0.5), math.floor(pos.z+0.5)
-		local direction = mesecon:get_movestone_direction(pos)
+		local direction = mesecon.get_movestone_direction(pos)
 
+		local maxpush = mesecon.setting("movestone_max_push", 50)
 		if not direction then -- no mesecon power
 			--push only solid nodes
 			local name = minetest.get_node(pos).name
 			if  name ~= "air" and name ~= "ignore"
 			and ((not minetest.registered_nodes[name])
 			or minetest.registered_nodes[name].liquidtype == "none") then
-				mesecon:mvps_push(pos, self.lastdir, MOVESTONE_MAXIMUM_PUSH)
+				mesecon.mvps_push(pos, self.lastdir, maxpush)
 			end
-			minetest.add_node(pos, {name="mesecons_movestones:movestone"})
+			local nn = {name="mesecons_movestones:movestone"}
+			minetest.add_node(pos, nn)
 			self.object:remove()
+			mesecon.on_placenode(pos, nn)
 			return
 		end
 
 		local success, stack, oldstack =
-			mesecon:mvps_push(pos, direction, MOVESTONE_MAXIMUM_PUSH)
+			mesecon.mvps_push(pos, direction, maxpush)
 		if not success then -- Too large stack/stopper in the way
-			minetest.add_node(pos, {name="mesecons_movestones:movestone"})
+			local nn = {name="mesecons_movestones:movestone"}
+			minetest.add_node(pos, nn)
 			self.object:remove()
+			mesecon.on_placenode(pos, nn)
 			return
 		else
-			mesecon:mvps_process_stack (stack)
-			mesecon:mvps_move_objects  (pos, direction, oldstack)
+			mesecon.mvps_process_stack (stack)
+			mesecon.mvps_move_objects  (pos, direction, oldstack)
 			self.lastdir = direction
 		end
 
@@ -143,10 +148,10 @@ minetest.register_node("mesecons_movestones:sticky_movestone", {
 	sounds = default.node_sound_stone_defaults(),
 	mesecons = {effector = {
 		action_on = function (pos, node)
-			local direction=mesecon:get_movestone_direction(pos)
+			local direction=mesecon.get_movestone_direction(pos)
 			if not direction then return end
 			minetest.remove_node(pos)
-			mesecon:update_autoconnect(pos)
+			mesecon.on_dignode(pos, node)
 			minetest.add_entity(pos, "mesecons_movestones:sticky_movestone_entity")
 		end
 	}}
@@ -175,7 +180,7 @@ minetest.register_entity("mesecons_movestones:sticky_movestone_entity", {
 	on_step = function(self, dtime)
 		local pos = self.object:getpos()
 		pos.x, pos.y, pos.z = math.floor(pos.x+0.5), math.floor(pos.y+0.5), math.floor(pos.z+0.5)
-		local direction = mesecon:get_movestone_direction(pos)
+		local direction = mesecon.get_movestone_direction(pos)
 
 		if not direction then -- no mesecon power
 			--push only solid nodes
@@ -183,34 +188,39 @@ minetest.register_entity("mesecons_movestones:sticky_movestone_entity", {
 			if  name ~= "air" and name ~= "ignore"
 			and ((not minetest.registered_nodes[name])
 			or minetest.registered_nodes[name].liquidtype == "none") then
-				mesecon:mvps_push(pos, self.lastdir, MOVESTONE_MAXIMUM_PUSH)
+				mesecon.mvps_push(pos, self.lastdir,
+					mesecon.setting("movestone_max_push", 50))
 				--STICKY
-				mesecon:mvps_pull_all(pos, self.lastdir)
+				mesecon.mvps_pull_all(pos, self.lastdir)
 			end
-			minetest.add_node(pos, {name="mesecons_movestones:sticky_movestone"})
+			local nn = {name="mesecons_movestones:sticky_movestone"}
+			minetest.add_node(pos, nn)
 			self.object:remove()
+			mesecon.on_placenode(pos, nn)
 			return
 		end
 
 		local success, stack, oldstack =
-			mesecon:mvps_push(pos, direction, MOVESTONE_MAXIMUM_PUSH)
+			mesecon.mvps_push(pos, direction, mesecon.setting("movestone_max_push", 50))
 		if not success then -- Too large stack/stopper in the way
-			minetest.add_node(pos, {name="mesecons_movestones:sticky_movestone"})
+			local nn = {name="mesecons_movestones:sticky_movestone"}
+			minetest.add_node(pos, nn)
 			self.object:remove()
+			mesecon.on_placenode(pos, nn)
 			return
 		else
-			mesecon:mvps_process_stack (stack)
-			mesecon:mvps_move_objects  (pos, direction, oldstack)
+			mesecon.mvps_process_stack (stack)
+			mesecon.mvps_move_objects  (pos, direction, oldstack)
 			self.lastdir = direction
 		end
 
 		self.object:setvelocity({x=direction.x*2, y=direction.y*2, z=direction.z*2})
 
 		--STICKY
-		mesecon:mvps_pull_all(pos, direction)
+		mesecon.mvps_pull_all(pos, direction)
 	end,
 })
 
 
-mesecon:register_mvps_unmov("mesecons_movestones:movestone_entity")
-mesecon:register_mvps_unmov("mesecons_movestones:sticky_movestone_entity")
+mesecon.register_mvps_unmov("mesecons_movestones:movestone_entity")
+mesecon.register_mvps_unmov("mesecons_movestones:sticky_movestone_entity")

mods/mesecons/mesecons_mvps/init.lua

@@ -4,7 +4,7 @@ mesecon.mvps_stoppers = {}
 mesecon.mvps_unmov = {}
 mesecon.on_mvps_move = {}
 
-function mesecon:is_mvps_stopper(node, pushdir, stack, stackid)
+function mesecon.is_mvps_stopper(node, pushdir, stack, stackid)
 	local get_stopper = mesecon.mvps_stoppers[node.name]
 	if type (get_stopper) == "function" then
 		get_stopper = get_stopper(node, pushdir, stack, stackid)
@@ -12,7 +12,7 @@ function mesecon:is_mvps_stopper(node, pushdir, stack, stackid)
 	return get_stopper
 end
 
-function mesecon:register_mvps_stopper(nodename, get_stopper)
+function mesecon.register_mvps_stopper(nodename, get_stopper)
 	if get_stopper == nil then
 			get_stopper = true
 	end
@@ -20,16 +20,16 @@ function mesecon:register_mvps_stopper(nodename, get_stopper)
 end
 
 -- Objects that cannot be moved (e.g. movestones)
-function mesecon:register_mvps_unmov(objectname)
+function mesecon.register_mvps_unmov(objectname)
 	mesecon.mvps_unmov[objectname] = true;
 end
 
-function mesecon:is_mvps_unmov(objectname)
+function mesecon.is_mvps_unmov(objectname)
 	return mesecon.mvps_unmov[objectname]
 end
 
 -- Functions to be called on mvps movement
-function mesecon:register_on_mvps_move(callback)
+function mesecon.register_on_mvps_move(callback)
 	mesecon.on_mvps_move[#mesecon.on_mvps_move+1] = callback
 end
 
@@ -39,16 +39,14 @@ local function on_mvps_move(moved_nodes)
 	end
 end
 
-function mesecon:mvps_process_stack(stack)
+function mesecon.mvps_process_stack(stack)
 	-- update mesecons for placed nodes ( has to be done after all nodes have been added )
 	for _, n in ipairs(stack) do
-		nodeupdate(n.pos)
 		mesecon.on_placenode(n.pos, minetest.get_node(n.pos))
-		mesecon:update_autoconnect(n.pos)
 	end
 end
 
-function mesecon:mvps_get_stack(pos, dir, maximum)
+function mesecon.mvps_get_stack(pos, dir, maximum)
 	-- determine the number of nodes to be pushed
 	local np = {x = pos.x, y = pos.y, z = pos.z}
 	local nodes = {}
@@ -67,18 +65,18 @@ function mesecon:mvps_get_stack(pos, dir, maximum)
 
 		table.insert (nodes, {node = nn, pos = np})
 
-		np = mesecon:addPosRule(np, dir)
+		np = mesecon.addPosRule(np, dir)
 	end
 	return nodes
 end
 
-function mesecon:mvps_push(pos, dir, maximum) -- pos: pos of mvps; dir: direction of push; maximum: maximum nodes to be pushed
-	local nodes = mesecon:mvps_get_stack(pos, dir, maximum)
+function mesecon.mvps_push(pos, dir, maximum) -- pos: pos of mvps; dir: direction of push; maximum: maximum nodes to be pushed
+	local nodes = mesecon.mvps_get_stack(pos, dir, maximum)
 
 	if not nodes then return end
 	-- determine if one of the nodes blocks the push
 	for id, n in ipairs(nodes) do
-		if mesecon:is_mvps_stopper(n.node, dir, nodes, id) then
+		if mesecon.is_mvps_stopper(n.node, dir, nodes, id) then
 			return
 		end
 	end
@@ -92,22 +90,21 @@ function mesecon:mvps_push(pos, dir, maximum) -- pos: pos of mvps; dir: directio
 	-- update mesecons for removed nodes ( has to be done after all nodes have been removed )
 	for _, n in ipairs(nodes) do
 		mesecon.on_dignode(n.pos, n.node)
-		mesecon:update_autoconnect(n.pos)
 	end
 
 	-- add nodes
 	for _, n in ipairs(nodes) do
-		np = mesecon:addPosRule(n.pos, dir)
+		local np = mesecon.addPosRule(n.pos, dir)
 		minetest.add_node(np, n.node)
 		minetest.get_meta(np):from_table(n.meta)
 	end
 	
 	local moved_nodes = {}
-	local oldstack = mesecon:tablecopy(nodes)
+	local oldstack = mesecon.tablecopy(nodes)
 	for i in ipairs(nodes) do
 		moved_nodes[i] = {}
 		moved_nodes[i].oldpos = nodes[i].pos
-		nodes[i].pos = mesecon:addPosRule(nodes[i].pos, dir)
+		nodes[i].pos = mesecon.addPosRule(nodes[i].pos, dir)
 		moved_nodes[i].pos = nodes[i].pos
 		moved_nodes[i].node = nodes[i].node
 		moved_nodes[i].meta = nodes[i].meta
@@ -118,20 +115,20 @@ function mesecon:mvps_push(pos, dir, maximum) -- pos: pos of mvps; dir: directio
 	return true, nodes, oldstack
 end
 
-mesecon:register_on_mvps_move(function(moved_nodes)
+mesecon.register_on_mvps_move(function(moved_nodes)
 	for _, n in ipairs(moved_nodes) do
 		mesecon.on_placenode(n.pos, n.node)
-		mesecon:update_autoconnect(n.pos)
+		mesecon.update_autoconnect(n.pos)
 	end
 end)
 
-function mesecon:mvps_pull_single(pos, dir) -- pos: pos of mvps; direction: direction of pull (matches push direction for sticky pistons)
-	np = mesecon:addPosRule(pos, dir)
-	nn = minetest.get_node(np)
+function mesecon.mvps_pull_single(pos, dir) -- pos: pos of mvps; direction: direction of pull (matches push direction for sticky pistons)
+	local np = mesecon.addPosRule(pos, dir)
+	local nn = minetest.get_node(np)
 
 	if ((not minetest.registered_nodes[nn.name]) --unregistered node
 	or minetest.registered_nodes[nn.name].liquidtype == "none") --non-liquid node
-	and not mesecon:is_mvps_stopper(nn, {x = -dir.x, y = -dir.y, z = -dir.z}, {{pos = np, node = nn}}, 1) then --non-stopper node
+	and not mesecon.is_mvps_stopper(nn, {x = -dir.x, y = -dir.y, z = -dir.z}, {{pos = np, node = nn}}, 1) then --non-stopper node
 		local meta = minetest.get_meta(np):to_table()
 		minetest.remove_node(np)
 		minetest.add_node(pos, nn)
@@ -140,13 +137,13 @@ function mesecon:mvps_pull_single(pos, dir) -- pos: pos of mvps; direction: dire
 		nodeupdate(np)
 		nodeupdate(pos)
 		mesecon.on_dignode(np, nn)
-		mesecon:update_autoconnect(np)
+		mesecon.update_autoconnect(np)
 		on_mvps_move({{pos = pos, oldpos = np, node = nn, meta = meta}})
 	end
 	return {{pos = np, node = {param2 = 0, name = "air"}}, {pos = pos, node = nn}}
 end
 
-function mesecon:mvps_pull_all(pos, direction) -- pos: pos of mvps; direction: direction of pull
+function mesecon.mvps_pull_all(pos, direction) -- pos: pos of mvps; direction: direction of pull
 	local lpos = {x=pos.x-direction.x, y=pos.y-direction.y, z=pos.z-direction.z} -- 1 away
 	local lnode = minetest.get_node(lpos)
 	local lpos2 = {x=pos.x-direction.x*2, y=pos.y-direction.y*2, z=pos.z-direction.z*2} -- 2 away
@@ -188,15 +185,15 @@ function mesecon:mvps_pull_all(pos, direction) -- pos: pos of mvps; direction: d
 	and minetest.registered_nodes[lnode.name].liquidtype ~= "none")
 	minetest.remove_node(oldpos)
 	mesecon.on_dignode(oldpos, lnode2)
-	mesecon:update_autoconnect(oldpos)
+	mesecon.update_autoconnect(oldpos)
 	on_mvps_move(moved_nodes)
 end
 
-function mesecon:mvps_move_objects(pos, dir, nodestack)
+function mesecon.mvps_move_objects(pos, dir, nodestack)
 	local objects_to_move = {}
 
 	-- Move object at tip of stack
-	local pushpos = mesecon:addPosRule(pos, -- get pos at tip of stack
+	local pushpos = mesecon.addPosRule(pos, -- get pos at tip of stack
 		{x = dir.x * #nodestack,
 		 y = dir.y * #nodestack,
 		 z = dir.z * #nodestack})
@@ -211,7 +208,7 @@ function mesecon:mvps_move_objects(pos, dir, nodestack)
 	if tonumber(minetest.setting_get("movement_gravity")) > 0 and dir.y == 0 then
 		-- If gravity positive and dir horizontal, push players standing on the stack
 		for _, n in ipairs(nodestack) do
-			local p_above = mesecon:addPosRule(n.pos, {x=0, y=1, z=0})
+			local p_above = mesecon.addPosRule(n.pos, {x=0, y=1, z=0})
 			local objects = minetest.get_objects_inside_radius(p_above, 1)
 			for _, obj in ipairs(objects) do
 				table.insert(objects_to_move, obj)
@@ -221,8 +218,8 @@ function mesecon:mvps_move_objects(pos, dir, nodestack)
 
 	for _, obj in ipairs(objects_to_move) do
 		local entity = obj:get_luaentity()
-		if not entity or not mesecon:is_mvps_unmov(entity.name) then
-			local np = mesecon:addPosRule(obj:getpos(), dir)
+		if not entity or not mesecon.is_mvps_unmov(entity.name) then
+			local np = mesecon.addPosRule(obj:getpos(), dir)
 
 			--move only if destination is not solid
 			local nn = minetest.get_node(np)
@@ -234,5 +231,5 @@ function mesecon:mvps_move_objects(pos, dir, nodestack)
 	end
 end
 
-mesecon:register_mvps_stopper("default:chest_locked")
-mesecon:register_mvps_stopper("default:furnace")
+mesecon.register_mvps_stopper("default:chest_locked")
+mesecon.register_mvps_stopper("default:furnace")

mods/mesecons/mesecons_noteblock/init.lua

@@ -2,7 +2,6 @@ minetest.register_node("mesecons_noteblock:noteblock", {
 	description = "Noteblock",
 	tiles = {"mesecons_noteblock.png"},
 	groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
-	drawtype = "allfaces_optional",
 	visual_scale = 1.3,
 	paramtype="light",
 	after_place_node = function(pos)

mods/mesecons/mesecons_pistons/init.lua

@@ -33,7 +33,7 @@ local piston_down_rules =
 local piston_get_rules = function (node)
 	local rules = piston_rules
 	for i = 1, node.param2 do
-		rules = mesecon:rotate_rules_left(rules)
+		rules = mesecon.rotate_rules_left(rules)
 	end
 	return rules
 end
@@ -41,7 +41,7 @@ end
 piston_facedir_direction = function (node)
 	local rules = {{x = 0, y = 0, z = -1}}
 	for i = 1, node.param2 do
-		rules = mesecon:rotate_rules_left(rules)
+		rules = mesecon.rotate_rules_left(rules)
 	end
 	return rules[1]
 end
@@ -55,15 +55,16 @@ piston_get_direction = function(dir, node)
 end
 
 local piston_remove_pusher = function(pos, node)
-	pistonspec = minetest.registered_nodes[node.name].mesecons_piston
-	if pushername == pistonspec.pusher then --make sure there actually is a pusher (for compatibility reasons mainly)
+	local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
+	local dir = piston_get_direction(pistonspec.dir, node)
+	local pusherpos = mesecon.addPosRule(pos, dir)
+	local pushername = minetest.get_node(pusherpos).name
+
+	-- make sure there actually is a pusher (for compatibility reasons mainly)
+	if pushername ~= pistonspec.pusher then
 		return
 	end
 
-	dir = piston_get_direction(pistonspec.dir, node)
-	local pusherpos = mesecon:addPosRule(pos, dir)
-	local pushername = minetest.get_node(pusherpos).name
-
 	minetest.remove_node(pusherpos)
 	minetest.sound_play("piston_retract", {
 		pos = pos,
@@ -77,8 +78,9 @@ local piston_on = function(pos, node)
 	local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
 
 	local dir = piston_get_direction(pistonspec.dir, node)
-	local np = mesecon:addPosRule(pos, dir)
-	local success, stack, oldstack = mesecon:mvps_push(np, dir, PISTON_MAXIMUM_PUSH)
+	local np = mesecon.addPosRule(pos, dir)
+	local maxpush = mesecon.setting("piston_max_push", 15)
+	local success, stack, oldstack = mesecon.mvps_push(np, dir, maxpush)
 	if success then
 		minetest.add_node(pos, {param2 = node.param2, name = pistonspec.onname})
 		minetest.add_node(np,  {param2 = node.param2, name = pistonspec.pusher})
@@ -87,8 +89,8 @@ local piston_on = function(pos, node)
 			max_hear_distance = 20,
 			gain = 0.3,
 		})
-		mesecon:mvps_process_stack (stack)
-		mesecon:mvps_move_objects  (np, dir, oldstack)
+		mesecon.mvps_process_stack (stack)
+		mesecon.mvps_move_objects  (np, dir, oldstack)
 	end
 end
 
@@ -98,10 +100,10 @@ local piston_off = function(pos, node)
 	piston_remove_pusher(pos, node)
 
 	if pistonspec.sticky then
-		dir = piston_get_direction(pistonspec.dir, node)
-		pullpos = mesecon:addPosRule(pos, dir)
-		stack = mesecon:mvps_pull_single(pullpos, dir)
-		mesecon:mvps_process_stack(pos, dir, stack)
+		local dir = piston_get_direction(pistonspec.dir, node)
+		local pullpos = mesecon.addPosRule(pos, dir)
+		local stack = mesecon.mvps_pull_single(pullpos, dir)
+		mesecon.mvps_process_stack(pos, dir, stack)
 	end
 end
 
@@ -692,14 +694,14 @@ local piston_pusher_up_down_get_stopper = function (node, dir, stack, stackid)
 	return true
 end
 
-mesecon:register_mvps_stopper("mesecons_pistons:piston_pusher_normal", piston_pusher_get_stopper)
-mesecon:register_mvps_stopper("mesecons_pistons:piston_pusher_sticky", piston_pusher_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_pusher_normal", piston_pusher_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_pusher_sticky", piston_pusher_get_stopper)
 
-mesecon:register_mvps_stopper("mesecons_pistons:piston_up_pusher_normal", piston_pusher_up_down_get_stopper)
-mesecon:register_mvps_stopper("mesecons_pistons:piston_up_pusher_sticky", piston_pusher_up_down_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_up_pusher_normal", piston_pusher_up_down_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_up_pusher_sticky", piston_pusher_up_down_get_stopper)
 
-mesecon:register_mvps_stopper("mesecons_pistons:piston_down_pusher_normal", piston_pusher_up_down_get_stopper)
-mesecon:register_mvps_stopper("mesecons_pistons:piston_down_pusher_sticky", piston_pusher_up_down_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_down_pusher_normal", piston_pusher_up_down_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_down_pusher_sticky", piston_pusher_up_down_get_stopper)
 
 
 -- Register pistons as stoppers if they would be seperated from the stopper
@@ -716,12 +718,12 @@ end
 local piston_get_stopper = function (node, dir, stack, stackid)
 	pistonspec = minetest.registered_nodes[node.name].mesecons_piston
 	dir = piston_get_direction(pistonspec.dir, node)
-	local pusherpos  = mesecon:addPosRule(stack[stackid].pos, dir)
+	local pusherpos  = mesecon.addPosRule(stack[stackid].pos, dir)
 	local pushernode = minetest.get_node(pusherpos)
 
 	if minetest.registered_nodes[node.name].mesecons_piston.pusher == pushernode.name then
 		for _, s in ipairs(stack) do
-			if  mesecon:cmpPos(s.pos, pusherpos) -- pusher is also to be pushed
+			if  mesecon.cmpPos(s.pos, pusherpos) -- pusher is also to be pushed
 			and s.node.param2 == node.param2 then
 				return false
 			end
@@ -730,14 +732,14 @@ local piston_get_stopper = function (node, dir, stack, stackid)
 	return true
 end
 
-mesecon:register_mvps_stopper("mesecons_pistons:piston_normal_on", piston_get_stopper)
-mesecon:register_mvps_stopper("mesecons_pistons:piston_sticky_on", piston_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_normal_on", piston_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_sticky_on", piston_get_stopper)
 
-mesecon:register_mvps_stopper("mesecons_pistons:piston_up_normal_on", piston_up_down_get_stopper)
-mesecon:register_mvps_stopper("mesecons_pistons:piston_up_sticky_on", piston_up_down_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_up_normal_on", piston_up_down_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_up_sticky_on", piston_up_down_get_stopper)
 
-mesecon:register_mvps_stopper("mesecons_pistons:piston_down_normal_on", piston_up_down_get_stopper)
-mesecon:register_mvps_stopper("mesecons_pistons:piston_down_sticky_on", piston_up_down_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_down_normal_on", piston_up_down_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_down_sticky_on", piston_up_down_get_stopper)
 
 --craft recipes
 minetest.register_craft({

mods/mesecons/mesecons_pressureplates/init.lua

@@ -9,31 +9,31 @@ local pp_box_on = {
 }
 
 pp_on_timer = function (pos, elapsed)
-	local node   = minetest.get_node(pos)
-	local ppspec = minetest.registered_nodes[node.name].pressureplate
+	local node = minetest.get_node(pos)
+	local basename = minetest.registered_nodes[node.name].pressureplate_basename
 
 	-- This is a workaround for a strange bug that occurs when the server is started
 	-- For some reason the first time on_timer is called, the pos is wrong
-	if not ppspec then return end
+	if not basename then return end
 
 	local objs   = minetest.get_objects_inside_radius(pos, 1)
-	local two_below = mesecon:addPosRule(pos, {x = 0, y = -2, z = 0})
+	local two_below = mesecon.addPosRule(pos, {x = 0, y = -2, z = 0})
 
-	if objs[1] == nil and node.name == ppspec.onstate then
-		minetest.add_node(pos, {name = ppspec.offstate})
-		mesecon:receptor_off(pos)
+	if objs[1] == nil and node.name == basename .. "_on" then
+		minetest.add_node(pos, {name = basename .. "_off"})
+		mesecon.receptor_off(pos, mesecon.rules.pplate)
 		-- force deactivation of mesecon two blocks below (hacky)
-		if not mesecon:connected_to_receptor(two_below) then
-			mesecon:turnoff(two_below)
+		if not mesecon.connected_to_receptor(two_below) then
+			mesecon.turnoff(two_below)
 		end
 	else
 		for k, obj in pairs(objs) do
 			local objpos = obj:getpos()
 			if objpos.y > pos.y-1 and objpos.y < pos.y then
-				minetest.add_node(pos, {name=ppspec.onstate})
-				mesecon:receptor_on(pos)
+				minetest.add_node(pos, {name = basename .. "_on"})
+				mesecon.receptor_on(pos, mesecon.rules.pplate )
 				-- force activation of mesecon two blocks below (hacky)
-				mesecon:turnon(two_below)
+				mesecon.turnon(two_below)
 			end
 		end
 	end
@@ -49,66 +49,40 @@ end
 -- image:	inventory and wield image of the pressure plate
 -- recipe:	crafting recipe of the pressure plate
 
-function mesecon:register_pressure_plate(offstate, onstate, description, textures_off, textures_on, image_w, image_i, recipe)
-	local ppspec = {
-		offstate = offstate,
-		onstate  = onstate
-	}
-
-	minetest.register_node(offstate, {
+function mesecon.register_pressure_plate(basename, description, textures_off, textures_on, image_w, image_i, recipe)
+	mesecon.register_node(basename, {
 		drawtype = "nodebox",
-		tiles = textures_off,
 		inventory_image = image_i,
 		wield_image = image_w,
 		paramtype = "light",
-		selection_box = pp_box_off,
-		node_box = pp_box_off,
-		groups = {snappy = 2, oddly_breakable_by_hand = 3},
 	    	description = description,
-		pressureplate = ppspec,
+		pressureplate_basename = basename,
 		on_timer = pp_on_timer,
-		mesecons = {receptor = {
-			state = mesecon.state.off
-		}},
 		on_construct = function(pos)
-			minetest.get_node_timer(pos):start(PRESSURE_PLATE_INTERVAL)
+			minetest.get_node_timer(pos):start(mesecon.setting("pplate_interval", 0.1))
 		end,
-	})
-
-	minetest.register_node(onstate, {
-		drawtype = "nodebox",
-		tiles = textures_on,
-		paramtype = "light",
-		selection_box = pp_box_on,
+	},{
+		mesecons = {receptor = { state = mesecon.state.off, rules = mesecon.rules.pplate }},
+		node_box = pp_box_off,
+		selection_box = pp_box_off,
+		groups = {snappy = 2, oddly_breakable_by_hand = 3},
+		tiles = textures_off
+	},{
+		mesecons = {receptor = { state = mesecon.state.on, rules = mesecon.rules.pplate }},
 		node_box = pp_box_on,
+		selection_box = pp_box_on,
 		groups = {snappy = 2, oddly_breakable_by_hand = 3, not_in_creative_inventory = 1},
-		drop = offstate,
-		pressureplate = ppspec,
-		on_timer = pp_on_timer,
-		sounds = default.node_sound_wood_defaults(),
-		mesecons = {receptor = {
-			state = mesecon.state.on
-		}},
-		on_construct = function(pos)
-			minetest.get_node_timer(pos):start(PRESSURE_PLATE_INTERVAL)
-		end,
-		after_dig_node = function(pos)
-			local two_below = mesecon:addPosRule(pos, {x = 0, y = -2, z = 0})
-			if not mesecon:connected_to_receptor(two_below) then
-				mesecon:turnoff(two_below)
-			end
-		end
+		tiles = textures_on
 	})
 
 	minetest.register_craft({
-		output = offstate,
+		output = basename .. "_off",
 		recipe = recipe,
 	})
 end
 
-mesecon:register_pressure_plate(
-	"mesecons_pressureplates:pressure_plate_wood_off",
-	"mesecons_pressureplates:pressure_plate_wood_on",
+mesecon.register_pressure_plate(
+	"mesecons_pressureplates:pressure_plate_wood",
 	"Wooden Pressure Plate",
 	{"jeija_pressure_plate_wood_off.png","jeija_pressure_plate_wood_off.png","jeija_pressure_plate_wood_off_edges.png"},
 	{"jeija_pressure_plate_wood_on.png","jeija_pressure_plate_wood_on.png","jeija_pressure_plate_wood_on_edges.png"},
@@ -116,9 +90,8 @@ mesecon:register_pressure_plate(
 	"jeija_pressure_plate_wood_inv.png",
 	{{"group:wood", "group:wood"}})
 
-mesecon:register_pressure_plate(
-	"mesecons_pressureplates:pressure_plate_stone_off",
-	"mesecons_pressureplates:pressure_plate_stone_on",
+mesecon.register_pressure_plate(
+	"mesecons_pressureplates:pressure_plate_stone",
 	"Stone Pressure Plate",
 	{"jeija_pressure_plate_stone_off.png","jeija_pressure_plate_stone_off.png","jeija_pressure_plate_stone_off_edges.png"},
 	{"jeija_pressure_plate_stone_on.png","jeija_pressure_plate_stone_on.png","jeija_pressure_plate_stone_on_edges.png"},

mods/mesecons/mesecons_random/init.lua

@@ -9,7 +9,7 @@ minetest.register_node("mesecons_random:removestone", {
 	mesecons = {effector = {
 		action_on = function (pos, node)
 			minetest.remove_node(pos)
-			mesecon:update_autoconnect(pos)
+			mesecon.update_autoconnect(pos)
 		end
 	}}
 })

mods/mesecons/mesecons_receiver/init.lua

@@ -9,11 +9,11 @@ local receiver_get_rules = function (node)
 	local rules = {	{x =  1, y = 0, z = 0},
 			{x = -2, y = 0, z = 0}}
 	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
@@ -81,83 +81,76 @@ minetest.register_node("mesecons_receiver:receiver_off", {
 	}}
 })
 
-mesecon:add_rules("receiver_pos", {{x = 2,  y = 0, z = 0}})
-
-mesecon:add_rules("receiver_pos_all", {
-{x = 2,  y = 0, z = 0},
-{x =-2,  y = 0, z = 0},
-{x = 0,  y = 0, z = 2},
-{x = 0,  y = 0, z =-2}})
-
-function mesecon:receiver_get_pos_from_rcpt(pos, param2)
-	local rules = mesecon:get_rules("receiver_pos")
+function mesecon.receiver_get_pos_from_rcpt(pos, param2)
+	local rules = {{x = 2,  y = 0, z = 0}}
 	if param2 == nil then param2 = minetest.get_node(pos).param2 end
 	if param2 == 2 then
-		rules = mesecon:rotate_rules_left(rules)
+		rules = mesecon.rotate_rules_left(rules)
 	elseif param2 == 3 then
-		rules = mesecon:rotate_rules_right(mesecon:rotate_rules_right(rules))
+		rules = mesecon.rotate_rules_right(mesecon.rotate_rules_right(rules))
 	elseif param2 == 0 then
-		rules = mesecon:rotate_rules_right(rules)
+		rules = mesecon.rotate_rules_right(rules)
 	end
-	np = {
-	x = pos.x + rules[1].x,
-	y = pos.y + rules[1].y,
-	z = pos.z + rules[1].z}
+	local np = {	x = pos.x + rules[1].x,
+			y = pos.y + rules[1].y,
+			z = pos.z + rules[1].z}
 	return np
 end
 
-function mesecon:receiver_place(rcpt_pos)
+function mesecon.receiver_place(rcpt_pos)
 	local node = minetest.get_node(rcpt_pos)
-	local pos = mesecon:receiver_get_pos_from_rcpt(rcpt_pos, node.param2)
+	local pos = mesecon.receiver_get_pos_from_rcpt(rcpt_pos, node.param2)
 	local nn = minetest.get_node(pos)
 
 	if string.find(nn.name, "mesecons:wire_") ~= nil then
 		minetest.dig_node(pos)
-		if mesecon:is_power_on(rcpt_pos) then
+		if mesecon.is_power_on(rcpt_pos) then
 			minetest.add_node(pos, {name = "mesecons_receiver:receiver_on", param2 = node.param2})
-			mesecon:receptor_on(pos, receiver_get_rules(node))
+			mesecon.receptor_on(pos, receiver_get_rules(node))
 		else
 			minetest.add_node(pos, {name = "mesecons_receiver:receiver_off", param2 = node.param2})
 		end
-		mesecon:update_autoconnect(pos)
+		mesecon.update_autoconnect(pos)
 	end
 end
 
-function mesecon:receiver_remove(rcpt_pos, dugnode)
-	local pos = mesecon:receiver_get_pos_from_rcpt(rcpt_pos, dugnode.param2)
+function mesecon.receiver_remove(rcpt_pos, dugnode)
+	local pos = mesecon.receiver_get_pos_from_rcpt(rcpt_pos, dugnode.param2)
 	local nn = minetest.get_node(pos)
 	if string.find(nn.name, "mesecons_receiver:receiver_") ~=nil then
 		minetest.dig_node(pos)
 		local node = {name = "mesecons:wire_00000000_off"}
 		minetest.add_node(pos, node)
-		mesecon:update_autoconnect(pos)
+		mesecon.update_autoconnect(pos)
 		mesecon.on_placenode(pos, node)
 	end
 end
 
 minetest.register_on_placenode(function (pos, node)
 	if minetest.get_item_group(node.name, "mesecon_needs_receiver") == 1 then
-		mesecon:receiver_place(pos)
+		mesecon.receiver_place(pos)
 	end
 end)
 
 minetest.register_on_dignode(function(pos, node)
 	if minetest.get_item_group(node.name, "mesecon_needs_receiver") == 1 then
-		mesecon:receiver_remove(pos, node)
+		mesecon.receiver_remove(pos, node)
 	end
 end)
 
 minetest.register_on_placenode(function (pos, node)
 	if string.find(node.name, "mesecons:wire_") ~=nil then
-		rules = mesecon:get_rules("receiver_pos_all")
+		local rules = {	{x = 2,  y = 0, z = 0},
+				{x =-2,  y = 0, z = 0},
+				{x = 0,  y = 0, z = 2},
+				{x = 0,  y = 0, z =-2}}
 		local i = 1
 		while rules[i] ~= nil do
-			np = {
-			x = pos.x + rules[i].x,
-			y = pos.y + rules[i].y,
-			z = pos.z + rules[i].z}
+			local np = {	x = pos.x + rules[i].x,
+					y = pos.y + rules[i].y,
+					z = pos.z + rules[i].z}
 			if minetest.get_item_group(minetest.get_node(np).name, "mesecon_needs_receiver") == 1 then
-				mesecon:receiver_place(np)
+				mesecon.receiver_place(np)
 			end
 			i = i + 1
 		end

mods/mesecons/mesecons_solarpanel/init.lua

@@ -75,7 +75,7 @@ minetest.register_abm(
 
 		if light >= 12 then
 			minetest.set_node(pos, {name="mesecons_solarpanel:solar_panel_on", param2=node.param2})
-			mesecon:receptor_on(pos)
+			mesecon.receptor_on(pos)
 		end
 	end,
 })
@@ -89,7 +89,7 @@ minetest.register_abm(
 
 		if light < 12 then
 			minetest.set_node(pos, {name="mesecons_solarpanel:solar_panel_off", param2=node.param2})
-			mesecon:receptor_off(pos)
+			mesecon.receptor_off(pos)
 		end
 	end,
 })

mods/mesecons/mesecons_switch/init.lua

@@ -1,35 +1,29 @@
 -- MESECON_SWITCH
 
-minetest.register_node("mesecons_switch:mesecon_switch_off", {
-	tiles = {"jeija_mesecon_switch_side.png", "jeija_mesecon_switch_side.png", "jeija_mesecon_switch_side.png", "jeija_mesecon_switch_side.png", "jeija_mesecon_switch_side.png", "jeija_mesecon_switch_off.png"},
+mesecon.register_node("mesecons_switch:mesecon_switch", {
 	paramtype2="facedir",
-	groups = {dig_immediate=2},
 	description="Switch",
 	sounds = default.node_sound_stone_defaults(),
-	mesecons = {receptor = {
-		state = mesecon.state.off
-	}},
-	on_punch = function(pos, node)
-		minetest.swap_node(pos, {name = "mesecons_switch:mesecon_switch_on", param2 = node.param2})
-		mesecon:receptor_on(pos)
-		minetest.sound_play("mesecons_switch", {pos=pos})
-	end
-})
-
-minetest.register_node("mesecons_switch:mesecon_switch_on", {
-	tiles = {"jeija_mesecon_switch_side.png", "jeija_mesecon_switch_side.png", "jeija_mesecon_switch_side.png", "jeija_mesecon_switch_side.png", "jeija_mesecon_switch_side.png", "jeija_mesecon_switch_on.png"},
-	paramtype2="facedir",
-	groups = {dig_immediate=2,not_in_creative_inventory=1},
-	drop="mesecons_switch:mesecon_switch_off 1",
-	sounds = default.node_sound_stone_defaults(),
-	mesecons = {receptor = {
-		state = mesecon.state.on
-	}},
-	on_punch = function(pos, node)
-		minetest.swap_node(pos, {name = "mesecons_switch:mesecon_switch_off", param2 = node.param2})
-		mesecon:receptor_off(pos)
+	on_punch = function (pos, node)
+		if(mesecon.flipstate(pos, node) == "on") then
+			mesecon.receptor_on(pos)
+		else
+			mesecon.receptor_off(pos)
+		end
 		minetest.sound_play("mesecons_switch", {pos=pos})
 	end
+},{
+	groups = {dig_immediate=2},
+	tiles = {	"jeija_mesecon_switch_side.png", "jeija_mesecon_switch_side.png",
+			"jeija_mesecon_switch_side.png", "jeija_mesecon_switch_side.png",
+			"jeija_mesecon_switch_side.png", "jeija_mesecon_switch_off.png"},
+	mesecons = {receptor = { state = mesecon.state.off }}
+},{
+	groups = {dig_immediate=2, not_in_creative_inventory=1},
+	tiles = {	"jeija_mesecon_switch_side.png", "jeija_mesecon_switch_side.png",
+			"jeija_mesecon_switch_side.png", "jeija_mesecon_switch_side.png",
+			"jeija_mesecon_switch_side.png", "jeija_mesecon_switch_on.png"},
+	mesecons = {receptor = { state = mesecon.state.on }}
 })
 
 minetest.register_craft({

mods/mesecons/mesecons_torch/init.lua

@@ -2,15 +2,15 @@
 
 local rotate_torch_rules = function (rules, param2)
 	if param2 == 5 then
-		return mesecon:rotate_rules_right(rules)
+		return mesecon.rotate_rules_right(rules)
 	elseif param2 == 2 then
-		return mesecon:rotate_rules_right(mesecon:rotate_rules_right(rules)) --180 degrees
+		return mesecon.rotate_rules_right(mesecon.rotate_rules_right(rules)) --180 degrees
 	elseif param2 == 4 then
-		return mesecon:rotate_rules_left(rules)
+		return mesecon.rotate_rules_left(rules)
 	elseif param2 == 1 then
-		return mesecon:rotate_rules_down(rules)
+		return mesecon.rotate_rules_down(rules)
 	elseif param2 == 0 then
-		return mesecon:rotate_rules_up(rules)
+		return mesecon.rotate_rules_up(rules)
 	else
 		return rules
 	end
@@ -91,8 +91,8 @@ minetest.register_abm({
 	action = function(pos, node)
 		local is_powered = false
 		for _, rule in ipairs(torch_get_input_rules(node)) do
-			local src = mesecon:addPosRule(pos, rule)
-			if mesecon:is_power_on(src) then
+			local src = mesecon.addPosRule(pos, rule)
+			if mesecon.is_power_on(src) then
 				is_powered = true
 			end
 		end
@@ -100,11 +100,11 @@ minetest.register_abm({
 		if is_powered then
 			if node.name == "mesecons_torch:mesecon_torch_on" then
 				minetest.swap_node(pos, {name = "mesecons_torch:mesecon_torch_off", param2 = node.param2})
-				mesecon:receptor_off(pos, torch_get_output_rules(node))
+				mesecon.receptor_off(pos, torch_get_output_rules(node))
 			end
 		elseif node.name == "mesecons_torch:mesecon_torch_off" then
 			minetest.swap_node(pos, {name = "mesecons_torch:mesecon_torch_on", param2 = node.param2})
-			mesecon:receptor_on(pos, torch_get_output_rules(node))
+			mesecon.receptor_on(pos, torch_get_output_rules(node))
 		end
 	end
 })

mods/mesecons/mesecons_walllever/init.lua

@@ -1,16 +1,9 @@
 -- WALL LEVER
 -- Basically a switch that can be attached to a wall
 -- Powers the block 2 nodes behind (using a receiver)
-minetest.register_node("mesecons_walllever:wall_lever_off", {
+mesecon.register_node("mesecons_walllever:wall_lever", {
+	description="Lever",
 	drawtype = "nodebox",
-	tiles = {
-		"jeija_wall_lever_tb.png",
-		"jeija_wall_lever_bottom.png",
-		"jeija_wall_lever_sides.png",
-		"jeija_wall_lever_sides.png",
-		"jeija_wall_lever_back.png",
-		"jeija_wall_lever_off.png",
-	},
 	inventory_image = "jeija_wall_lever_off.png",
 	wield_image = "jeija_wall_lever_off.png",
 	paramtype = "light",
@@ -21,29 +14,34 @@ minetest.register_node("mesecons_walllever:wall_lever_off", {
 		type = "fixed",
 		fixed = { -8/16, -8/16, 3/16, 8/16, 8/16, 8/16 },
 	},
+	sounds = default.node_sound_wood_defaults(),
+	on_punch = function (pos, node)
+		if(mesecon.flipstate(pos, node) == "on") then
+			mesecon.receptor_on(pos, mesecon.rules.buttonlike_get(node))
+		else
+			mesecon.receptor_off(pos, mesecon.rules.buttonlike_get(node))
+		end
+		minetest.sound_play("mesecons_lever", {pos=pos})
+	end
+},{
+	tiles = { "jeija_wall_lever_tb.png", "jeija_wall_lever_bottom.png",
+		"jeija_wall_lever_sides.png", "jeija_wall_lever_sides.png",
+		"jeija_wall_lever_back.png", "jeija_wall_lever_off.png",
+	},
 	node_box = {
 		type = "fixed",
 		fixed = {{ -6/16, -6/16, 6/16, 6/16,  6/16, 8/16 },	-- the base "slab"
 			 { -5/16, -3/16, 5/16, 5/16,  3/16, 6/16 },	-- the lighted ring area
-			 { -4/16, -2/16, 4/16, 4/16,  2/16, 5/16 },	-- the raised bit that the lever "sits" on
+			 { -4/16, -2/16, 4/16, 4/16,  2/16, 5/16 },	-- the raised bit
 			 { -2/16, -1/16, 3/16, 2/16,  1/16, 4/16 },	-- the lever "hinge"
 			 { -1/16, -8/16, 4/16, 1/16,  0,    6/16 }}	-- the lever itself.
 	},
-	groups = {dig_immediate=2, mesecon_needs_receiver = 1},
-	description="Lever",
-	on_punch = function (pos, node)
-		minetest.swap_node(pos, {name = "mesecons_walllever:wall_lever_on", param2 = node.param2})
-		mesecon:receptor_on(pos, mesecon.rules.buttonlike_get(node))
-		minetest.sound_play("mesecons_lever", {pos=pos})
-	end,
-	sounds = default.node_sound_wood_defaults(),
 	mesecons = {receptor = {
 		rules = mesecon.rules.buttonlike_get,
 		state = mesecon.state.off
-	}}
-})
-minetest.register_node("mesecons_walllever:wall_lever_on", {
-	drawtype = "nodebox",
+	}},
+	groups = {dig_immediate = 2, mesecon_needs_receiver = 1}
+},{
 	tiles = {
 		"jeija_wall_lever_top.png",
 		"jeija_wall_lever_tb.png",
@@ -52,37 +50,19 @@ minetest.register_node("mesecons_walllever:wall_lever_on", {
 		"jeija_wall_lever_back.png",
 		"jeija_wall_lever_on.png",
 	},
-	inventory_image = "jeija_wall_lever_on.png",
-	paramtype = "light",
-	paramtype2 = "facedir",
-	sunlight_propagates = true,
-	walkable = false,
-	light_source = LIGHT_MAX-7,
-	selection_box = {
-		type = "fixed",
-		fixed = { -8/16, -8/16, 3/16, 8/16, 8/16, 8/16 },
-	},
 	node_box = {
 		type = "fixed",
 		fixed = {{ -6/16, -6/16,  6/16, 6/16, 6/16,  8/16 },	-- the base "slab"
 			 { -5/16, -3/16,  5/16, 5/16, 3/16,  6/16 },	-- the lighted ring area
-			 { -4/16, -2/16,  4/16, 4/16, 2/16,  5/16 },	-- the raised bit that the lever "sits" on
+			 { -4/16, -2/16,  4/16, 4/16, 2/16,  5/16 },	-- the raised bit
 			 { -2/16, -1/16,  3/16, 2/16, 1/16,  4/16 },	-- the lever "hinge"
 			 { -1/16,  0,     4/16, 1/16, 8/16,  6/16 }}	-- the lever itself.
 	},
-	groups = {dig_immediate = 2, not_in_creative_inventory = 1, mesecon_needs_receiver = 1},
-	drop = "mesecons_walllever:wall_lever_off 1",
-	description="Lever",
-	on_punch = function (pos, node)
-		minetest.swap_node(pos, {name = "mesecons_walllever:wall_lever_off", param2 = node.param2})
-		mesecon:receptor_off(pos, mesecon.rules.buttonlike_get(node))
-		minetest.sound_play("mesecons_lever", {pos=pos})
-	end,
-	sounds = default.node_sound_wood_defaults(),
 	mesecons = {receptor = {
 		rules = mesecon.rules.buttonlike_get,
 		state = mesecon.state.on
-	}}
+	}},
+	groups = {dig_immediate = 2, mesecon_needs_receiver = 1, not_in_creative_inventory = 1}
 })
 
 minetest.register_craft({