Merge branch 'nextgen'

Conflicts:
	mesecons/wires.lua

mesecons/init.lua

@@ -22,14 +22,14 @@
 --	{
 --		state = mesecon.state.on/off
 --		rules = rules/get_rules
---	}
+--	},
 --	effector =
 --	{
 --		action_on = function
 --		action_off = function
 --		action_change = function
 --		rules = rules/get_rules
---	}
+--	},
 --	conductor = 
 --	{
 --		state = mesecon.state.on/off
@@ -70,6 +70,7 @@ 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
@@ -79,12 +80,10 @@ function mesecon:receptor_on(pos, rules)
 	rules = rules or mesecon.rules.default
 
 	for _, rule in ipairs(rules) do
-		local np = {
-		x = pos.x + rule.x,
-		y = pos.y + rule.y,
-		z = pos.z + rule.z}
-		if mesecon:rules_link(pos, np, rules) then
-			mesecon:turnon(np, pos)
+		local np = mesecon:addPosRule(pos, rule)
+		local link, rulename = mesecon:rules_link(pos, np, rules)
+		if link then
+			mesecon:turnon(np, rulename)
 		end
 	end
 end
@@ -93,18 +92,16 @@ function mesecon:receptor_off(pos, rules)
 	rules = rules or mesecon.rules.default
 
 	for _, rule in ipairs(rules) do
-		local np = {
-		x = pos.x + rule.x,
-		y = pos.y + rule.y,
-		z = pos.z + rule.z}
-		if mesecon:rules_link(pos, np, rules) and not mesecon:connected_to_pw_src(np) then
-			mesecon:turnoff(np, pos)
+		local np = mesecon:addPosRule(pos, rule)
+		local link, rulename = mesecon:rules_link(pos, np, rules)
+		if link and not mesecon:connected_to_receptor(np) then
+			mesecon:turnoff(np, rulename)
 		end
 	end
 end
 
 
-print("[OK] mesecons")
+print("[OK] Mesecons")
 
 --The actual wires
 dofile(minetest.get_modpath("mesecons").."/wires.lua");

mesecons/internal.lua

@@ -1,162 +1,202 @@
--- INTERNAL
+-- Internal.lua - The core of mesecons
+--
+-- For more practical developer resources see mesecons.tk
+--
+-- 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
 
--- Receptors
--- Nodes that can power mesecons
-function mesecon:is_receptor_node(nodename)
+-- 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)
+
+-- 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)
+
+-- SIGNALS
+-- mesecon:activate(pos, node)     --> Activates   the effector node at the specific pos (calls nodedef.mesecons.effector.action_on)
+-- mesecon:deactivate(pos, node)   --> Deactivates the effector node at the specific pos (calls nodedef.mesecons.effector.action_off)
+-- mesecon:changesignal(pos, node) --> 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
+
+-- CONDUCTORS
+-- mesecon:is_conductor(nodename)     --> Returns true if nodename is a conductor
+-- mesecon:is_conductor_on(nodename)  --> Returns true if nodename is a conductor with state = mesecon.state.on
+-- mesecon:is_conductor_off(nodename) --> Returns true if nodename is a conductor with state = mesecon.state.off
+-- mesecon:get_conductor_on(offstate) --> Returns the onstate  nodename of the conductor with the name offstate
+-- mesecon:get_conductor_off(onstate) --> Returns the offstate nodename of the conductor with the name onstate
+-- mesecon:conductor_get_rules(node)  --> Returns the input+output rules of a conductor (mesecon.rules.default if none specified)
+
+-- HIGH-LEVEL Internals
+-- mesecon:is_power_on(pos)             --> Returns true if pos emits power in any way
+-- mesecon:is_power_off(pos)            --> Returns true if pos does not emit power in any way
+-- mesecon:turnon(pos, rulename)        --> Returns true  whatever there is at pos. Calls itself for connected nodes (if pos is a conductor) --> recursive, the rulename is the name of the input rule that caused calling turnon
+-- mesecon:turnoff(pos, rulename)       --> Turns off whatever there is at pos. Calls itself for connected nodes (if pos is a conductor) --> recursive, the rulename is the name of the input rule that caused calling turnoff
+-- mesecon:connected_to_receptor(pos)   --> Returns true if pos is connected to a receptor directly or via conductors; calls itself if pos is a conductor --> recursive
+-- mesecon:rules_link(output, input, dug_outputrules) --> Returns true if outputposition + outputrules = inputposition and inputposition + inputrules = outputposition (if the two positions connect)
+-- mesecon:rules_link_anydir(outp., inp., d_outpr.)   --> Same as rules mesecon:rules_link but also returns true if output and input are swapped
+-- mesecon:is_powered(pos)              --> Returns true if pos is powered by a receptor or a conductor
+
+-- RULES ROTATION helpsers
+-- 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)
 	if  minetest.registered_nodes[nodename]
 	and minetest.registered_nodes[nodename].mesecons
-	and minetest.registered_nodes[nodename].mesecons.receptor
-	and minetest.registered_nodes[nodename].mesecons.receptor.state == mesecon.state.on then
-		return true
+	and minetest.registered_nodes[nodename].mesecons.effector then
+		return minetest.registered_nodes[nodename].mesecons.effector
 	end
-	for _, receptor in ipairs(mesecon.receptors) do
-		if receptor.onstate == nodename then
-			return true
-		end
+end
+
+function mesecon:get_receptor(nodename)
+	if  minetest.registered_nodes[nodename]
+	and minetest.registered_nodes[nodename].mesecons
+	and minetest.registered_nodes[nodename].mesecons.receptor then
+		return minetest.registered_nodes[nodename].mesecons.receptor
+	end
+end
+
+function mesecon:get_conductor(nodename)
+	if  minetest.registered_nodes[nodename]
+	and minetest.registered_nodes[nodename].mesecons
+	and minetest.registered_nodes[nodename].mesecons.conductor then
+		return minetest.registered_nodes[nodename].mesecons.conductor
+	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)
 	end
 	return false
 end
 
-function mesecon:is_receptor_node_off(nodename, pos, ownpos)
-	if minetest.registered_nodes[nodename]
-	and minetest.registered_nodes[nodename].mesecons
-	and minetest.registered_nodes[nodename].mesecons.receptor
-	and minetest.registered_nodes[nodename].mesecons.receptor.state == mesecon.state.off then
+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
+
+-- Receptors
+-- Nodes that can power mesecons
+function mesecon:is_receptor_on(nodename)
+	local receptor = mesecon:get_receptor(nodename)
+	if receptor and receptor.state == mesecon.state.on then
 		return true
 	end
-	for _, receptor in ipairs(mesecon.receptors) do
-		if receptor.offstate == nodename then
-			return true
-		end
+	return false
+end
+
+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)
+	if receptor then
+		return true
 	end
 	return false
 end
 
 function mesecon:receptor_get_rules(node)
-	if  minetest.registered_nodes[node.name].mesecons
-	and minetest.registered_nodes[node.name].mesecons.receptor then
-		local rules = minetest.registered_nodes[node.name].mesecons.receptor.rules
+	local receptor = mesecon:get_receptor(node.name)
+	if receptor then
+		local rules = receptor.rules
 		if type(rules) == 'function' then
 			return rules(node)
 		elseif rules then
 			return rules
 		end
 	end
-	for _, receptor in ipairs(mesecon.receptors) do --TODO
-		if receptor.onstate == node.name or receptor.offstate == node.name then
-			if receptor.get_rules ~= nil then
-				return receptor.get_rules(node.param2)
-			elseif receptor.rules ~=nil then
-				return receptor.rules
-			else
-				return mesecon:get_rules("default")
-			end
-		end
-	end
+
 	return mesecon.rules.default
 end
 
 -- Effectors
 -- Nodes that can be powered by mesecons
 function mesecon:is_effector_on(nodename)
-	if   minetest.registered_nodes[nodename]
-	and  minetest.registered_nodes[nodename].mesecons
-	and  minetest.registered_nodes[nodename].mesecons.effector
-	and minetest.registered_nodes[nodename].mesecons.effector.action_off then
+	local effector = mesecon:get_effector(nodename)
+	if effector and effector.action_off then
 		return true
 	end
-	for _, effector in ipairs(mesecon.effectors) do --TODO
-		if effector.onstate == nodename then
-			return true
-		end
-	end
 	return false
 end
 
 function mesecon:is_effector_off(nodename)
-	if   minetest.registered_nodes[nodename]
-	and  minetest.registered_nodes[nodename].mesecons
-	and  minetest.registered_nodes[nodename].mesecons.effector
-	and minetest.registered_nodes[nodename].mesecons.effector.action_on then
+	local effector = mesecon:get_effector(nodename)
+	if effector and effector.action_on then
 		return true
 	end
-	for _, effector in ipairs(mesecon.effectors) do --TODO
-		if effector.offstate == nodename then
-			return true
-		end
-	end
 	return false
 end
 
 function mesecon:is_effector(nodename)
-	if  minetest.registered_nodes[nodename]
-	and minetest.registered_nodes[nodename].mesecons
-	and minetest.registered_nodes[nodename].mesecons.effector then
+	local effector = mesecon:get_effector(nodename)
+	if effector then
 		return true
 	end
-	return mesecon:is_effector_on(nodename) or mesecon:is_effector_off(nodename) --TODO
+	return false
 end
 
-function mesecon:effector_get_input_rules(node)
-	if  minetest.registered_nodes[node.name].mesecons
-	and minetest.registered_nodes[node.name].mesecons.effector then
-		local rules = minetest.registered_nodes[node.name].mesecons.effector.rules
+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
 			return rules(node)
 		elseif rules then
 			return rules
 		end
 	end
-	for _, effector in ipairs(mesecon.effectors) do
-		if effector.onstate  == node.name 
-		or effector.offstate == node.name then
-			if effector.get_input_rules ~= nil then
-				return effector.get_input_rules(node.param2)
-			elseif effector.input_rules ~=nil then
-				return effector.input_rules
-			else
-				return mesecon:get_rules("default")
-			end
-		end
-	end
 	return mesecon.rules.default
 end
 
 --Signals
 
-function mesecon:activate(pos, node)
-	if  minetest.registered_nodes[node.name]
-	and minetest.registered_nodes[node.name].mesecons
-	and minetest.registered_nodes[node.name].mesecons.effector
-	and minetest.registered_nodes[node.name].mesecons.effector.action_on then
-		minetest.registered_nodes[node.name].mesecons.effector.action_on (pos, node)
-	end
-	for _, action in ipairs(mesecon.actions_on) do --TODO
-		action(pos, node) 
+function mesecon:activate(pos, node, rulename)
+	local effector = mesecon:get_effector(node.name)
+	if effector and effector.action_on then
+		effector.action_on (pos, node, rulename)
 	end
 end
 
-function mesecon:deactivate(pos, node) --TODO
-	if  minetest.registered_nodes[node.name]
-	and minetest.registered_nodes[node.name].mesecons
-	and minetest.registered_nodes[node.name].mesecons.effector
-	and minetest.registered_nodes[node.name].mesecons.effector.action_off then
-		minetest.registered_nodes[node.name].mesecons.effector.action_off(pos, node)
-	end
-	for _, action in ipairs(mesecon.actions_off) do
-		action(pos, node) 
+function mesecon:deactivate(pos, node, rulename)
+	local effector = mesecon:get_effector(node.name)
+	if effector and effector.action_off then
+		effector.action_off (pos, node, rulename)
 	end
 end
 
-function mesecon:changesignal(pos, node) --TODO
-	if  minetest.registered_nodes[node.name]
-	and minetest.registered_nodes[node.name].mesecons
-	and minetest.registered_nodes[node.name].mesecons.effector
-	and minetest.registered_nodes[node.name].mesecons.effector.action_change then
-		minetest.registered_nodes[node.name].mesecons.effector.action_change(pos, node)
-	end
-	for _, action in ipairs(mesecon.actions_change) do
-		action(pos, node) 
+function mesecon:changesignal(pos, node, rulename)
+	local effector = mesecon:get_effector(node.name)
+	if effector and effector.action_change then
+		effector.action_change (pos, node, rulename)
 	end
 end
 
@@ -172,97 +212,64 @@ end
 
 -- Conductors
 
-function mesecon:get_conductor_on(offstate)
-	if  minetest.registered_nodes[offstate]
-	and minetest.registered_nodes[offstate].mesecons
-	and minetest.registered_nodes[offstate].mesecons.conductor then
-		return minetest.registered_nodes[offstate].mesecons.conductor.onstate
-	end
-	for _, conductor in ipairs(mesecon.conductors) do --TODO
-		if conductor.offstate == offstate then
-			return conductor.onstate
-		end
-	end
-	return false
-end
-
-function mesecon:get_conductor_off(onstate)
-	if  minetest.registered_nodes[onstate]
-	and minetest.registered_nodes[onstate].mesecons
-	and minetest.registered_nodes[onstate].mesecons.conductor then
-		return minetest.registered_nodes[onstate].mesecons.conductor.offstate
-	end
-	for _, conductor in ipairs(mesecon.conductors) do --TODO
-		if conductor.onstate == onstate then
-			return conductor.offstate
-		end
-	end
-	return false
-end
-
 function mesecon:is_conductor_on(nodename)
-	if minetest.registered_nodes[nodename]
-	and minetest.registered_nodes[nodename].mesecons
-	and minetest.registered_nodes[nodename].mesecons.conductor
-	and minetest.registered_nodes[nodename].mesecons.conductor.state == mesecon.state.on then
+	local conductor = mesecon:get_conductor(nodename)
+	if conductor and conductor.state == mesecon.state.on then
 		return true
 	end
-	for _, conductor in ipairs(mesecon.conductors) do --TODO
-		if conductor.onstate == nodename then
-			return true
-		end
-	end
 	return false
 end
 
 function mesecon:is_conductor_off(nodename)
-	if minetest.registered_nodes[nodename]
-	and minetest.registered_nodes[nodename].mesecons
-	and minetest.registered_nodes[nodename].mesecons.conductor
-	and minetest.registered_nodes[nodename].mesecons.conductor.state == mesecon.state.off then
+	local conductor = mesecon:get_conductor(nodename)
+	if conductor and conductor.state == mesecon.state.off then
 		return true
 	end
-	for _, conductor in ipairs(mesecon.conductors) do --TODO
-		if conductor.offstate == nodename then
-			return true
-		end
-	end
 	return false
 end
 
 function mesecon:is_conductor(nodename)
-	--TODO
-	return mesecon:is_conductor_on(nodename) or mesecon:is_conductor_off(nodename)
+	local conductor = mesecon:get_conductor(nodename)
+	if conductor then
+		return true
+	end
+	return false
+end
+
+function mesecon:get_conductor_on(offstate)
+	local conductor = mesecon:get_conductor(offstate)
+	if conductor then
+		return conductor.onstate
+	end
+	return false
+end
+
+function mesecon:get_conductor_off(onstate)
+	local conductor = mesecon:get_conductor(onstate)
+	if conductor then
+		return conductor.offstate
+	end
+	return false
 end
 
 function mesecon:conductor_get_rules(node)
-	if minetest.registered_nodes[node.name]
-	and minetest.registered_nodes[node.name].mesecons
-	and minetest.registered_nodes[node.name].mesecons.conductor then
-		local rules = minetest.registered_nodes[node.name].mesecons.conductor.rules
+	local conductor = mesecon:get_conductor(node.name)
+	if conductor then
+		local rules = conductor.rules
 		if type(rules) == 'function' then
 			return rules(node)
 		elseif rules then
 			return rules
 		end
 	end
-	for _, conductor in ipairs(mesecon.conductors) do --TODO
-		if conductor.onstate  == node.name 
-		or conductor.offstate == node.name then
-			if conductor.get_rules ~= nil then
-				return conductor.get_rules(node.param2)
-			else
-				return conductor.rules
-			end
-		end
-	end
 	return mesecon.rules.default
 end
 
---
+-- some more general high-level stuff
+
 function mesecon:is_power_on(pos)
 	local node = minetest.env:get_node(pos)
-	if mesecon:is_conductor_on(node.name) or mesecon:is_receptor_node(node.name) then
+	if mesecon:is_conductor_on(node.name) or mesecon:is_receptor_on(node.name) then
 		return true
 	end
 	return false
@@ -270,13 +277,13 @@ end
 
 function mesecon:is_power_off(pos)
 	local node = minetest.env:get_node(pos)
-	if mesecon:is_conductor_off(node.name) or mesecon:is_receptor_node_off(node.name) then
+	if mesecon:is_conductor_off(node.name) or mesecon:is_receptor_off(node.name) then
 		return true
 	end
 	return false
 end
 
-function mesecon:turnon(pos)
+function mesecon:turnon(pos, rulename)
 	local node = minetest.env:get_node(pos)
 
 	if mesecon:is_conductor_off(node.name) then
@@ -285,22 +292,21 @@ function mesecon:turnon(pos)
 
 		for _, rule in ipairs(rules) do
 			local np = mesecon:addPosRule(pos, rule)
+			local link, rulename = mesecon:rules_link(pos, np)
 
-			if mesecon:rules_link(pos, np) then
-				mesecon:turnon(np)
+			if link then
+				mesecon:turnon(np, rulename)
 			end
 		end
-	end
-
-	if mesecon:is_effector(node.name) then
-		mesecon:changesignal(pos, node)
+	elseif mesecon:is_effector(node.name) then
+		mesecon:changesignal(pos, node, rulename)
 		if mesecon:is_effector_off(node.name) then
-			mesecon:activate(pos, node)
+			mesecon:activate(pos, node, rulename)
 		end
 	end
 end
 
-function mesecon:turnoff(pos)
+function mesecon:turnoff(pos, rulename)
 	local node = minetest.env:get_node(pos)
 
 	if mesecon:is_conductor_on(node.name) then
@@ -309,87 +315,88 @@ function mesecon:turnoff(pos)
 
 		for _, rule in ipairs(rules) do
 			local np = mesecon:addPosRule(pos, rule)
+			local link, rulename = mesecon:rules_link(pos, np)
 
-			if mesecon:rules_link(pos, np) then
-				mesecon:turnoff(np)
+			if link then
+				mesecon:turnoff(np, rulename)
 			end
 		end
-	end
-
-	if mesecon:is_effector(node.name) then
-		mesecon:changesignal(pos, node)
+	elseif mesecon:is_effector(node.name) then
+		mesecon:changesignal(pos, node, rulename)
 		if mesecon:is_effector_on(node.name)
 		and not mesecon:is_powered(pos) then
-			mesecon:deactivate(pos, node)
+			mesecon:deactivate(pos, node, rulename)
 		end
 	end
 end
 
 
-function mesecon:connected_to_pw_src(pos, checked)
-	local c = 1
-	checked = checked or {}
-	while checked[c] ~= nil do --find out if node has already been checked (to prevent from endless loop)
-		if mesecon:cmpPos(checked[c], pos) then
-			return false, checked
-		end
-		c = c + 1
-	end
-	checked[c] = {x=pos.x, y=pos.y, z=pos.z} --add current node to checked
+function mesecon:connected_to_receptor(pos)
+	local node = minetest.env:get_node(pos)
 
-	local node = minetest.env:get_node_or_nil(pos)
-	if node == nil then return false, checked end
-	if not mesecon:is_conductor(node.name) then return false, checked end
-	if mesecon:is_powered_by_receptor(pos) then --return if conductor is powered
-		return true, checked
-	end
-
-	--Check if conductors around are connected
-	local connected
-	local rules = mesecon:conductor_get_rules(node)
+	-- Check if conductors around are connected
+	local rules = mesecon:get_any_inputrules(node)
+	if not rules then return false end
 
 	for _, rule in ipairs(rules) do
 		local np = mesecon:addPosRule(pos, rule)
-		if mesecon:rules_link(pos, np) then
-			connected, checked = mesecon:connected_to_pw_src(np, checked)
-			if connected then 
+		if mesecon:rules_link(np, pos) then
+			if mesecon:find_receptor_on(np, {}) then
 				return true
 			end
 		end
 	end
-	return false, checked
+
+	return false
 end
 
-function mesecon:rules_link(output, input, dug_outputrules) --output/input are positions (outputrules optional, used if node has been dug)
-	local outputnode = minetest.env:get_node(output)
-	local inputnode = minetest.env:get_node(input)
-	local outputrules = dug_outputrules
-	local inputrules
-
-	if outputrules == nil then
-		if mesecon:is_conductor(outputnode.name) then
-			outputrules = mesecon:conductor_get_rules(outputnode)
-		elseif mesecon:is_receptor_node(outputnode.name) or mesecon:is_receptor_node_off(outputnode.name) then
-			outputrules = mesecon:receptor_get_rules(outputnode)
-		else
-			return false
+function mesecon:find_receptor_on(pos, checked)
+	-- 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
 
-	if mesecon:is_conductor(inputnode.name) then
-		inputrules = mesecon:conductor_get_rules(inputnode)
-	elseif mesecon:is_effector(inputnode.name) then
-		inputrules = mesecon:effector_get_input_rules(inputnode)
-	else
-		return false
+	-- add current position to checked
+	table.insert(checked, {x=pos.x, y=pos.y, z=pos.z})
+	local node = minetest.env:get_node(pos)
+
+	if mesecon:is_receptor_on(node.name) then
+		return true
 	end
 
+	if mesecon:is_conductor(node.name) then
+		local rules = mesecon:conductor_get_rules(node)
+		for _, rule in ipairs(rules) do
+			local np = mesecon:addPosRule(pos, rule)
+			if mesecon:rules_link(np, pos) then
+				if mesecon:find_receptor_on(np, checked) then
+					return true
+				end
+			end
+		end
+	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
+	local outputnode = minetest.env:get_node(output)
+	local inputnode = minetest.env:get_node(input)
+	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(outputrules) do
-		if mesecon:cmpPos(mesecon:addPosRule(output, outputrule), input) then -- Check if output sends to input
+		-- Check if output sends to input
+		if mesecon:cmpPos(mesecon:addPosRule(output, outputrule), input) then
 			for _, inputrule in ipairs(inputrules) do
-				if  mesecon:cmpPos(mesecon:addPosRule(input, inputrule), output) then --Check if input accepts from output
-					return true
+				-- Check if input accepts from output
+				if  mesecon:cmpPos(mesecon:addPosRule(input, inputrule), output) then
+					return true, inputrule.name
 				end
 			end
 		end
@@ -397,125 +404,69 @@ function mesecon:rules_link(output, input, dug_outputrules) --output/input are p
 	return false
 end
 
-function mesecon:rules_link_bothdir(pos1, pos2)
+function mesecon:rules_link_anydir(pos1, pos2)
 	return mesecon:rules_link(pos1, pos2) or mesecon:rules_link(pos2, pos1)
 end
 
-function mesecon:is_powered_by_conductor(pos)
-	local j = 1
-	local k = 1
-
-	local rules
-	local con_pos = {}
-	local con_rules = {}
-	local con_node
-
-	local node = minetest.env:get_node(pos)
-	if mesecon:is_conductor(node.name) then
-		rules = mesecon:conductor_get_rules(node)
-	elseif mesecon:is_effector(node.name) then
-		rules = mesecon:effector_get_input_rules(node)
-	else
-		return false
-	end
-
-	for _, rule in ipairs(rules) do
-		local con_pos = mesecon:addPosRule(pos, rule)
-
-		con_node = minetest.env:get_node(con_pos)
-
-		if mesecon:is_conductor_on(con_node.name) and mesecon:rules_link(con_pos, pos) then 
-			return true
-		end
-	end
-	
-	return false
-end
-
-function mesecon:is_powered_by_receptor(pos)
-	local j = 1
-	local k = 1
-
-	local rules
-	local rcpt_pos = {}
-	local rcpt_rules = {}
-	local rcpt_node
-
-	local node = minetest.env:get_node(pos)
-	if mesecon:is_conductor(node.name) then
-		rules = mesecon:conductor_get_rules(node)
-	elseif mesecon:is_effector(node.name) then
-		rules = mesecon:effector_get_input_rules(node)
-	else
-		return false
-	end
-
-	for _, rule in ipairs(rules) do
-		local rcpt_pos = mesecon:addPosRule(pos, rule)
-
-		rcpt_node = minetest.env:get_node(rcpt_pos)
-
-		if mesecon:is_receptor_node(rcpt_node.name) and mesecon:rules_link(rcpt_pos, pos) then
-			return true
-		end
-	end
-	
-	return false
-end
-
 function mesecon:is_powered(pos)
-	return mesecon:is_powered_by_conductor(pos) or mesecon:is_powered_by_receptor(pos)
-end
+	local node = minetest.env:get_node(pos)
+	local rules = mesecon:get_any_inputrules(node)
+	if not rules then return false end
 
-function mesecon:updatenode(pos)
-    if mesecon:connected_to_pw_src(pos) then
-        mesecon:turnon(pos)
-    else
-	mesecon:turnoff(pos)
-    end
+	for _, rule in ipairs(rules) do
+		local np = mesecon:addPosRule(pos, rule)
+		local nn = minetest.env:get_node(np)
+
+		if (mesecon:is_conductor_on (nn.name) or mesecon:is_receptor_on (nn.name))
+		and mesecon:rules_link(np, pos) then
+			return true
+		end
+	end
+	
+	return false
 end
 
 --Rules rotation Functions:
 function mesecon:rotate_rules_right(rules)
-	local nr={};
+	local nr = {}
 	for i, rule in ipairs(rules) do
-		nr[i]={}
-		nr[i].z=rule.x
-		nr[i].x=-rule.z
-		nr[i].y=rule.y
+		table.insert(nr, {
+			x = -rule.z, 
+			y =  rule.y, 
+			z =  rule.x})
 	end
 	return nr
 end
 
 function mesecon:rotate_rules_left(rules)
-	local nr={};
+	local nr = {}
 	for i, rule in ipairs(rules) do
-		nr[i]={}
-		nr[i].z=-rules[i].x
-		nr[i].x=rules[i].z
-		nr[i].y=rules[i].y
+		table.insert(nr, {
+			x =  rule.z, 
+			y =  rule.y, 
+			z = -rule.x})
 	end
 	return nr
 end
 
 function mesecon:rotate_rules_down(rules)
-	local nr={};
+	local nr = {}
 	for i, rule in ipairs(rules) do
-		nr[i]={}
-		nr[i].y=rule.x
-		nr[i].x=-rule.y
-		nr[i].z=rule.z
+		table.insert(nr, {
+			x = -rule.y, 
+			y =  rule.x, 
+			z =  rule.z})
 	end
 	return nr
 end
 
 function mesecon:rotate_rules_up(rules)
-	local nr={};
+	local nr = {}
 	for i, rule in ipairs(rules) do
-		nr[i]={}
-		nr[i].y=-rule.x
-		nr[i].x=rule.y
-		nr[i].z=rule.z
+		table.insert(nr, {
+			x =  rule.y, 
+			y = -rule.x, 
+			z =  rule.z})
 	end
 	return nr
 end

mesecons/legacy.lua

@@ -1,60 +0,0 @@
---very old:
-
-function mesecon:add_receptor_node(name, rules, get_rules)
-	if get_rules==nil and rules==nil then
-		rules=mesecon:get_rules("default")
-	end
-	table.insert(mesecon.receptors, {onstate = name, rules = rules, get_rules = get_rules})
-end
-
-function mesecon:add_receptor_node_off(name, rules, get_rules)
-	if get_rules==nil and rules==nil then
-		rules=mesecon:get_rules("default")
-	end
-	table.insert(mesecon.receptors, {offstate = name, rules = rules, get_rules = get_rules})
-end
-
---old:
-
-function mesecon:register_receptor(onstate, offstate, rules, get_rules)
-	if get_rules == nil and rules == nil then
-		rules=mesecon:get_rules("default")
-	end
-	table.insert(mesecon.receptors, 
-		{onstate = onstate, 
-		 offstate = offstate, 
-		 rules = input_rules, 
-		 get_rules = get_rules})
-end
-
-function mesecon:register_effector(onstate, offstate, input_rules, get_input_rules)
-	if get_input_rules==nil and input_rules==nil then
-		rules=mesecon:get_rules("default")
-	end
-	table.insert(mesecon.effectors, 
-		{onstate = onstate, 
-		 offstate = offstate, 
-		 input_rules = input_rules, 
-		 get_input_rules = get_input_rules})
-end
-
-function mesecon:register_on_signal_on(action)
-	table.insert(mesecon.actions_on, action)
-end
-
-function mesecon:register_on_signal_off(action)
-	table.insert(mesecon.actions_off, action)
-end
-
-function mesecon:register_on_signal_change(action)
-	table.insert(mesecon.actions_change, action)
-end
-
-function mesecon:register_conductor (onstate, offstate, rules, get_rules)
-	if rules == nil then
-		rules = mesecon:get_rules("default")
-	end
-	table.insert(mesecon.conductors, {onstate = onstate, offstate = offstate, rules = rules, get_rules = get_rules})
-end
-
-mesecon:add_rules("default", mesecon.rules.default)

mesecons/oldwires.lua

@@ -0,0 +1,38 @@
+minetest.register_node("mesecons:mesecon_off", {
+	drawtype = "raillike",
+	tiles = {"jeija_mesecon_off.png", "jeija_mesecon_curved_off.png", "jeija_mesecon_t_junction_off.png", "jeija_mesecon_crossing_off.png"},
+	inventory_image = "jeija_mesecon_off.png",
+	wield_image = "jeija_mesecon_off.png",
+	paramtype = "light",
+	is_ground_content = true,
+	walkable = false,
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.5, -0.5, -0.5, 0.5, -0.45, 0.5},
+	},
+	groups = {dig_immediate=3, mesecon=1, mesecon_conductor_craftable=1},
+    	description="Mesecons",
+	mesecons = {conductor={
+		state = mesecon.state.off,
+		onstate = "mesecons:mesecon_on"
+	}}
+})
+
+minetest.register_node("mesecons:mesecon_on", {
+	drawtype = "raillike",
+	tiles = {"jeija_mesecon_on.png", "jeija_mesecon_curved_on.png", "jeija_mesecon_t_junction_on.png", "jeija_mesecon_crossing_on.png"},
+	paramtype = "light",
+	is_ground_content = true,
+	walkable = false,
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.5, -0.5, -0.5, 0.5, -0.45, 0.5},
+	},
+	groups = {dig_immediate=3, not_in_creaive_inventory=1, mesecon=1},
+	drop = '"mesecons:mesecon_off" 1',
+	light_source = LIGHT_MAX-11,
+	mesecons = {conductor={
+		state = mesecon.state.on,
+		offstate = "mesecons:mesecon_off"
+	}}
+})

mesecons/services.lua

@@ -1,28 +1,28 @@
-minetest.register_on_dignode(
-	function(pos, oldnode, digger)
-		if mesecon:is_conductor_on(oldnode.name) then
-			mesecon:receptor_off(pos)
-		end
-
-		if mesecon:is_receptor_node(oldnode.name) then
-			mesecon:receptor_off(pos, mesecon:receptor_get_rules(oldnode))
+mesecon.on_placenode = function (pos, node)
+	if mesecon:is_receptor_on(node.name) then
+		mesecon:receptor_on(pos, mesecon:receptor_get_rules(node))
+	elseif mesecon:is_powered(pos) then
+		if mesecon:is_conductor(node.name) then
+			mesecon:turnon (pos)
+			mesecon:receptor_on (pos, mesecon:conductor_get_rules(node))
+		else
+			mesecon:changesignal(pos, node)
+			mesecon:activate(pos, node)
 		end
+	elseif mesecon:is_conductor_on(node.name) then
+		mesecon:swap_node(pos, mesecon:get_conductor_off(node.name))
+	elseif mesecon:is_effector_on (node.name) then
+		mesecon:deactivate(pos, node)
 	end
-)
+end
 
-minetest.register_on_placenode(
-	function (pos, node)
-		if mesecon:is_receptor_node(node.name) then
-			mesecon:receptor_on(pos, mesecon:receptor_get_rules(node))
-		end
-
-		if mesecon:is_powered(pos) then
-			if mesecon:is_conductor_off(node.name) then
-				mesecon:turnon(pos, node)
-			else
-				mesecon:changesignal(pos, node)
-				mesecon:activate(pos, node)
-			end
-		end
+mesecon.on_dignode = function (pos, node)
+	if mesecon:is_conductor_on(node.name) 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
-)
+end
+
+minetest.register_on_placenode(mesecon.on_placenode)
+minetest.register_on_dignode(mesecon.on_dignode)

mesecons/settings.lua

@@ -3,3 +3,4 @@ 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

mesecons/util.lua

@@ -6,6 +6,15 @@ function mesecon:swap_node(pos, name)
 	minetest.env:get_meta(pos):from_table(data)
 end
 
+function mesecon:move_node(pos, newpos)
+	local node = minetest.env:get_node(pos)
+	local meta = minetest.env:get_meta(pos):to_table()
+	minetest.env:remove_node(pos)
+	minetest.env:add_node(newpos, node)
+	minetest.env:get_meta(pos):from_table(meta)
+end
+
+
 function mesecon:addPosRule(p, r)
 	return {x = p.x + r.x, y = p.y + r.y, z = p.z + r.z}
 end

mesecons/wires.lua

@@ -1,39 +1,3 @@
--- Oldstyle wires:
-
-if NEW_STYLE_WIRES == false then --old wires
-minetest.register_node("mesecons:mesecon_off", {
-	drawtype = "raillike",
-	tiles = {"jeija_mesecon_off.png", "jeija_mesecon_curved_off.png", "jeija_mesecon_t_junction_off.png", "jeija_mesecon_crossing_off.png"},
-	inventory_image = "jeija_mesecon_off.png",
-	wield_image = "jeija_mesecon_off.png",
-	paramtype = "light",
-	is_ground_content = true,
-	walkable = false,
-	selection_box = {
-		type = "fixed",
-		fixed = {-0.5, -0.5, -0.5, 0.5, -0.45, 0.5},
-	},
-	groups = {dig_immediate=3, mesecon=1, mesecon_conductor_craftable=1},
-    	description="Mesecons",
-})
-
-minetest.register_node("mesecons:mesecon_on", {
-	drawtype = "raillike",
-	tiles = {"jeija_mesecon_on.png", "jeija_mesecon_curved_on.png", "jeija_mesecon_t_junction_on.png", "jeija_mesecon_crossing_on.png"},
-	paramtype = "light",
-	is_ground_content = true,
-	walkable = false,
-	selection_box = {
-		type = "fixed",
-		fixed = {-0.5, -0.5, -0.5, 0.5, -0.45, 0.5},
-	},
-	groups = {dig_immediate=3, not_in_creaive_inventory=1, mesecon=1},
-	drop = '"mesecons:mesecon_off" 1',
-	light_source = LIGHT_MAX-11,
-})
-mesecon:register_conductor("mesecons:mesecon_on", "mesecons:mesecon_off")
-else  -- NEW STYLE WIRES
-
 -- 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
@@ -52,6 +16,8 @@ box_zpy = {-1/16, -.5+1/16, .5-1/16, 1/16, .4999+1/16, .5}
 box_xmy = {-.5, -.5+1/16, -1/16, -.5+1/16, .4999+1/16, 1/16}
 box_zmy = {-1/16, -.5+1/16, -.5, 1/16, .4999+1/16, -.5+1/16}
 
+-- Registering the wires
+
 for xp=0, 1 do
 for zp=0, 1 do
 for xm=0, 1 do
@@ -191,6 +157,9 @@ end
 end
 end
 
+-- Updating the wires:
+-- Place the right connection wire
+
 local update_on_place_dig = function (pos, node)
 	if minetest.registered_nodes[node.name]
 	and minetest.registered_nodes[node.name].mesecons then
@@ -237,37 +206,20 @@ function mesecon:update_autoconnect(pos, secondcall, replace_old)
 	nodename = minetest.env:get_node(pos).name
 	if string.find(nodename, "mesecons:wire_") == nil and not replace_old then return nil end
 
-	if mesecon:rules_link_bothdir(pos, xppos) then xp = 1 else xp = 0 end
-	if mesecon:rules_link_bothdir(pos, xmpos) then xm = 1 else xm = 0 end
-	if mesecon:rules_link_bothdir(pos, zppos) then zp = 1 else zp = 0 end
-	if mesecon:rules_link_bothdir(pos, zmpos) then zm = 1 else zm = 0 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_bothdir(pos, xpympos) then xp = 1 end
-	if mesecon:rules_link_bothdir(pos, xmympos) then xm = 1 end
-	if mesecon:rules_link_bothdir(pos, zpympos) then zp = 1 end
-	if mesecon:rules_link_bothdir(pos, zmympos) then zm = 1 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(pos, xpypos) then xpy = 1 else xpy = 0 end
-	if mesecon:rules_link(pos, zpypos) then zpy = 1 else zpy = 0 end
-	if mesecon:rules_link(pos, xmypos) then xmy = 1 else xmy = 0 end
-	if mesecon:rules_link(pos, zmypos) then zmy = 1 else zmy = 0 end
-
-	-- Backward compatibility
-	if replace_old then
-		xp = 	(xp == 1 or	(string.find(minetest.env:get_node(xppos  ).name, "mesecons:mesecon_") ~= nil or
-					 string.find(minetest.env:get_node(xpympos).name, "mesecons:mesecon_") ~= nil)) and 1 or 0
-		zp = 	(zp == 1 or	(string.find(minetest.env:get_node(zppos  ).name, "mesecons:mesecon_") ~= nil or
-			 		 string.find(minetest.env:get_node(zpympos).name, "mesecons:mesecon_") ~= nil)) and 1 or 0
-		xm = 	(xm == 1 or	(string.find(minetest.env:get_node(xmpos  ).name, "mesecons:mesecon_") ~= nil or
-					 string.find(minetest.env:get_node(xmympos).name, "mesecons:mesecon_") ~= nil)) and 1 or 0
-		zm = 	(zm == 1 or 	(string.find(minetest.env:get_node(zmpos  ).name, "mesecons:mesecon_") ~= nil or
-					 string.find(minetest.env:get_node(zmympos).name, "mesecons:mesecon_") ~= nil)) and 1 or 0
-
-		xpy = (xpy == 1 or string.find(minetest.env:get_node(xpypos).name, "mesecons:mesecon_") ~=nil) and 1 or 0
-		zpy = (zpy == 1 or string.find(minetest.env:get_node(zpypos).name, "mesecons:mesecon_") ~=nil) and 1 or 0
-		xmy = (xmy == 1 or string.find(minetest.env:get_node(xmypos).name, "mesecons:mesecon_") ~=nil) and 1 or 0
-		zmy = (zmy == 1 or string.find(minetest.env:get_node(zmypos).name, "mesecons:mesecon_") ~=nil) and 1 or 0
-	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
@@ -318,13 +270,8 @@ else
 
 end
 
-
-minetest.register_abm(
-	{nodenames = {"mesecons:mesecon_off", "mesecons:mesecon_on"},
-	interval = 2,
-	chance = 1,
-	action = function(pos, node, active_object_count, active_object_count_wider)
-		mesecon:update_autoconnect(pos, false, true)
-	end,
+minetest.register_craft({
+	type = "cooking",
+	output = '"mesecons:wire_00000000_off" 16',
+	recipe = "default:mese_crystal",
 })
-end

mesecons_alias/init.lua

@@ -11,7 +11,7 @@ minetest.register_alias("mesecons:wireless_receiver", "mesecons_wireless:wireles
 minetest.register_alias("mesecons:wireless_transmitter", "mesecons_wireless:wireless_transmitter_off")
 minetest.register_alias("mesecons:switch", "mesecons_switch:mesecon_switch_off")
 minetest.register_alias("mesecons:button", "mesecons_button:button_off")
-minetest.register_alias("mesecons:piston", "mesecons_pistons:piston_normal")
+minetest.register_alias("mesecons:piston", "mesecons_pistons:piston_normal_off")
 minetest.register_alias("mesecons:blinky_plant", "mesecons_blinkyplant:blinky_plant_off")
 minetest.register_alias("mesecons:mesecon_torch", "mesecons_torch:mesecon_torch_on")
 minetest.register_alias("mesecons:torch", "mesecons_torch:mesecon_torch_on")
@@ -30,3 +30,9 @@ minetest.register_alias("mesecons:solarpanel", "mesecons_solarpanel:solar_panel_
 
 --Backwards compatibility
 minetest.register_alias("mesecons:mesecon_off", "mesecons:wire_00000000_off")
+minetest.register_alias("mesecons_pistons:piston_sticky", "mesecons_pistons:piston_sticky_on")
+minetest.register_alias("mesecons_pistons:piston_normal", "mesecons_pistons:piston_normal_on")
+minetest.register_alias("mesecons_pistons:piston_up_normal", "mesecons_pistons:piston_up_normal_on")
+minetest.register_alias("mesecons_pistons:piston_down_normal", "mesecons_pistons:piston_down_normal_on")
+minetest.register_alias("mesecons_pistons:piston_up_sticky", "mesecons_pistons:piston_up_sticky_on")
+minetest.register_alias("mesecons_pistons:piston_down_sticky", "mesecons_pistons:piston_down_sticky_on")

mesecons_delayer/init.lua

@@ -1,28 +1,16 @@
 -- Function that get the input/output rules of the delayer
 local delayer_get_output_rules = function(node)
-	local rules = {}
-	if node.param2 == 0 then
-		table.insert(rules, {x = 1, y = 0, z = 0})
-	elseif node.param2 == 2 then
-		table.insert(rules, {x =-1, y = 0, z = 0})
-	elseif node.param2 == 1 then
-		table.insert(rules, {x = 0, y = 0, z =-1})
-	elseif node.param2 == 3 then
-		table.insert(rules, {x = 0, y = 0, z = 1})
+	local rules = {{x = 0, y = 0, z = 1}}
+	for i = 0, node.param2 do
+		rules = mesecon:rotate_rules_left(rules)
 	end
 	return rules
 end
 
 local delayer_get_input_rules = function(node)
-	local rules = {}
-	if node.param2 == 0 then
-		table.insert(rules, {x =-1, y = 0, z = 0})
-	elseif node.param2 == 2 then
-		table.insert(rules, {x = 1, y = 0, z = 0})
-	elseif node.param2 == 1 then
-		table.insert(rules, {x = 0, y = 0, z = 1})
-	elseif node.param2 == 3 then
-		table.insert(rules, {x = 0, y = 0, z =-1})
+	local rules = {{x = 0, y = 0, z = -1}}
+	for i = 0, node.param2 do
+		rules = mesecon:rotate_rules_left(rules)
 	end
 	return rules
 end
@@ -30,54 +18,30 @@ end
 -- Functions that are called after the delay time
 
 local delayer_turnon = function(params)
-	local rules = delayer_get_output_rules(params)
+	local rules = delayer_get_output_rules(params.node)
 	mesecon:receptor_on(params.pos, rules)
 end
 
 local delayer_turnoff = function(params)
-	local rules = delayer_get_output_rules(params)
+	local rules = delayer_get_output_rules(params.node)
 	mesecon:receptor_off(params.pos, rules)
 end
 
-local delayer_update = function(pos, node)
-	if string.find(node.name, "mesecons_delayer:delayer_off")~=nil then
-		local time = 0
-		if node.name=="mesecons_delayer:delayer_off_1" then
-			mesecon:swap_node(pos, "mesecons_delayer:delayer_on_1")
-			time=0.1
-		elseif node.name=="mesecons_delayer:delayer_off_2" then
-			mesecon:swap_node(pos, "mesecons_delayer:delayer_on_2")
-			time=0.3
-		elseif node.name=="mesecons_delayer:delayer_off_3" then
-			mesecon:swap_node(pos, "mesecons_delayer:delayer_on_3")
-			time=0.5
-		elseif node.name=="mesecons_delayer:delayer_off_4" then
-			mesecon:swap_node(pos, "mesecons_delayer:delayer_on_4")
-			time=1
-		end
-		minetest.after(time, delayer_turnon, {pos=pos, param2=node.param2})
-	end
-
-	if string.find(node.name, "mesecons_delayer:delayer_on")~=nil then
-		local time = 0
-		if node.name=="mesecons_delayer:delayer_on_1" then
-			mesecon:swap_node(pos, "mesecons_delayer:delayer_off_1")
-			time=0.1
-		elseif node.name=="mesecons_delayer:delayer_on_2" then
-			mesecon:swap_node(pos, "mesecons_delayer:delayer_off_2")
-			time=0.3
-		elseif node.name=="mesecons_delayer:delayer_on_3" then
-			mesecon:swap_node(pos, "mesecons_delayer:delayer_off_3")
-			time=0.5
-		elseif node.name=="mesecons_delayer:delayer_on_4" then
-			mesecon:swap_node(pos, "mesecons_delayer:delayer_off_4")
-			time=1
-		end
-		minetest.after(time, delayer_turnoff, {pos=pos, param2=node.param2})
-	end
+local delayer_activate = function(pos, node)
+	local def = minetest.registered_nodes[node.name]
+	local time = def.delayer_time
+	mesecon:swap_node(pos, def.delayer_onstate)
+	minetest.after(time, delayer_turnon , {pos = pos, node = node})
 end
 
---Actually register the 2 (states) x 4 (delay times) delayers
+local delayer_deactivate = function(pos, node)
+	local def = minetest.registered_nodes[node.name]
+	local time = def.delayer_time
+	mesecon:swap_node(pos, def.delayer_offstate)
+	minetest.after(time, delayer_turnoff, {pos = pos, node = node})
+end
+
+-- Register the 2 (states) x 4 (delay times) delayers
 
 for i = 1, 4 do
 local groups = {}
@@ -87,6 +51,12 @@ else
 	groups = {bendy=2,snappy=1,dig_immediate=2, not_in_creative_inventory=1}
 end
 
+local delaytime
+if 		i == 1 then delaytime = 0.1
+elseif	i == 2 then delaytime = 0.3
+elseif	i == 3 then delaytime = 0.5
+elseif	i == 4 then delaytime = 1.0 end
+
 boxes = {{ -6/16, -8/16, -6/16, 6/16, -7/16, 6/16 },		-- the main slab
 
 	 { -2/16, -7/16, -4/16, 2/16, -26/64, -3/16 },		-- the jeweled "on" indicator
@@ -138,6 +108,8 @@ minetest.register_node("mesecons_delayer:delayer_off_"..tostring(i), {
 			mesecon:swap_node(pos,"mesecons_delayer:delayer_off_1")
 		end
 	end,
+	delayer_time = delaytime,
+	delayer_onstate = "mesecons_delayer:delayer_on_"..tostring(i),
 	mesecons = {
 		receptor =
 		{
@@ -147,7 +119,7 @@ minetest.register_node("mesecons_delayer:delayer_off_"..tostring(i), {
 		effector =
 		{
 			rules = delayer_get_input_rules,
-			action_change = delayer_update
+			action_on = delayer_activate
 		}
 	}
 })
@@ -190,6 +162,8 @@ minetest.register_node("mesecons_delayer:delayer_on_"..tostring(i), {
 			mesecon:swap_node(pos,"mesecons_delayer:delayer_on_1")
 		end
 	end,
+	delayer_time = delaytime,
+	delayer_offstate = "mesecons_delayer:delayer_off_"..tostring(i),
 	mesecons = {
 		receptor =
 		{
@@ -199,8 +173,16 @@ minetest.register_node("mesecons_delayer:delayer_on_"..tostring(i), {
 		effector =
 		{
 			rules = delayer_get_input_rules,
-			action_change = delayer_update
+			action_off = delayer_deactivate
 		}
 	}
 })
 end
+
+minetest.register_craft({
+	output = "mesecons_delayer:delayer_off_1",
+	recipe = {
+		{"mesecons_torch:mesecon_torch_on", "group:mesecon_conductor_craftable", "mesecons_torch:mesecon_torch_on"},
+		{"default:cobble","default:cobble", "default:cobble"},
+	}
+})

mesecons_extrawires/corner.lua

@@ -0,0 +1,83 @@
+local corner_nodebox = {
+	type = "fixed",
+	fixed = {{ -16/32-0.001, -17/32, -3/32, 0, -13/32, 3/32 },
+		   { -3/32, -17/32, -16/32+0.001, 3/32, -13/32, 3/32}}
+}
+
+local corner_selectionbox = {
+		type = "fixed",
+		fixed = { -16/32-0.001, -18/32, -16/32, 5/32, -12/32, 5/32 },
+}
+
+local corner_get_rules = function (node)
+	local rules = 
+	{{x = 1,  y = 0,  z =  0},
+	 {x = 0,  y = 0,  z = -1}}
+
+	for i = 0, node.param2 do
+		rules = mesecon:rotate_rules_left(rules)
+	end
+
+	return rules
+end
+
+minetest.register_node("mesecons_extrawires:corner_on", {
+	drawtype = "nodebox",
+	tiles = {
+		"jeija_insulated_wire_curved_tb_on.png",
+		"jeija_insulated_wire_curved_tb_on.png^[transformR270",
+		"jeija_insulated_wire_sides_on.png",
+		"jeija_insulated_wire_ends_on.png",
+		"jeija_insulated_wire_sides_on.png",
+		"jeija_insulated_wire_ends_on.png"
+	},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	walkable = false,
+	sunlight_propagates = true,
+	selection_box = corner_selectionbox,
+	node_box = corner_nodebox,
+	groups = {dig_immediate = 3, not_in_creative_inventory = 1},
+	drop = "mesecons_extrawires:insulated_off",
+	mesecons = {conductor = 
+	{
+		state = mesecon.state.on,
+		rules = corner_get_rules,
+		offstate = "mesecons_extrawires:corner_off"
+	}}
+})
+
+minetest.register_node("mesecons_extrawires:corner_off", {
+	drawtype = "nodebox",
+	description = "Mesecon Corner",
+	tiles = {
+		"jeija_insulated_wire_curved_tb_off.png",
+		"jeija_insulated_wire_curved_tb_off.png^[transformR270",
+		"jeija_insulated_wire_sides_off.png",
+		"jeija_insulated_wire_ends_off.png",
+		"jeija_insulated_wire_sides_off.png",
+		"jeija_insulated_wire_ends_off.png"
+	},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	walkable = false,
+	sunlight_propagates = true,
+	selection_box = corner_selectionbox,
+	node_box = corner_nodebox,
+	groups = {dig_immediate = 3},
+	mesecons = {conductor = 
+	{
+		state = mesecon.state.off,
+		rules = corner_get_rules,
+		onstate = "mesecons_extrawires:corner_on"
+	}}
+})
+
+minetest.register_craft({
+	output = '"mesecons_extrawires:corner_off" 3',
+	recipe = {
+		{"", "", ""},
+		{"mesecons_insulated:insulated_off", "mesecons_insulated:insulated_off", ""},
+		{"", "mesecons_insulated:insulated_off", ""},
+	}
+})

mesecons_extrawires/crossing.lua

@@ -6,7 +6,7 @@ end
 
 minetest.register_node("mesecons_extrawires:crossing_on", {
 	drawtype = "nodebox",
-	tiles = {"jeija_insulated_wire_sides.png"},
+	tiles = {"jeija_insulated_wire_sides_on.png"},
 	paramtype = "light",
 	walkable = false,
 	stack_max = 99,

mesecons_extrawires/init.lua

@@ -1,4 +1,5 @@
 -- dofile(minetest.get_modpath("mesecons_extrawires").."/crossing.lua");
 -- The crossing code is not active right now because it is hard to maintain
 dofile(minetest.get_modpath("mesecons_extrawires").."/tjunction.lua");
+dofile(minetest.get_modpath("mesecons_extrawires").."/corner.lua");
 dofile(minetest.get_modpath("mesecons_extrawires").."/vertical.lua");

mesecons_extrawires/tjunction.lua

@@ -11,28 +11,25 @@ local tjunction_selectionbox = {
 
 local tjunction_get_rules = function (node)
 	local rules = 
-	{{x = 1,  y = 0,  z =  0},
-	{x =-1,  y = 0,  z =  0},
-	{x = 0,  y = 0,  z = -1}}
+	{{x = 0,  y = 0,  z =  1},
+	 {x = 1,  y = 0,  z =  0},
+	 {x = 0,  y = 0,  z = -1}}
 
-	if node.param2 == 1 then
+	for i = 0, node.param2 do
 		rules = mesecon:rotate_rules_left(rules)
-	elseif node.param2 == 2 then
-		rules = mesecon:rotate_rules_right(mesecon:rotate_rules_right(rules))
-	elseif node.param2 == 3 then
-		rules = mesecon:rotate_rules_right(rules)
 	end
+
 	return rules
 end
 
 minetest.register_node("mesecons_extrawires:tjunction_on", {
 	drawtype = "nodebox",
 	tiles = {
-		"jeija_insulated_wire_sides.png",
-		"jeija_insulated_wire_sides.png",
+		"jeija_insulated_wire_tjunction_tb_on.png",
+		"jeija_insulated_wire_tjunction_tb_on.png^[transformR180",
 		"jeija_insulated_wire_ends_on.png",
 		"jeija_insulated_wire_ends_on.png",
-		"jeija_insulated_wire_sides.png",
+		"jeija_insulated_wire_sides_on.png",
 		"jeija_insulated_wire_ends_on.png"
 	},
 	paramtype = "light",
@@ -42,7 +39,7 @@ minetest.register_node("mesecons_extrawires:tjunction_on", {
 	selection_box = tjunction_selectionbox,
 	node_box = tjunction_nodebox,
 	groups = {dig_immediate = 3, mesecon_conductor_craftable=1, not_in_creative_inventory = 1},
-	drop = "mesecons_insulated:insulated_off",
+	drop = "mesecons_extrawires:tjunction_off",
 	mesecons = {conductor = 
 	{
 		state = mesecon.state.on,
@@ -55,11 +52,11 @@ minetest.register_node("mesecons_extrawires:tjunction_off", {
 	drawtype = "nodebox",
 	description = "T-junction",
 	tiles = {
-		"jeija_insulated_wire_sides.png",
-		"jeija_insulated_wire_sides.png",
+		"jeija_insulated_wire_tjunction_tb_off.png",
+		"jeija_insulated_wire_tjunction_tb_off.png^[transformR180",
 		"jeija_insulated_wire_ends_off.png",
 		"jeija_insulated_wire_ends_off.png",
-		"jeija_insulated_wire_sides.png",
+		"jeija_insulated_wire_sides_off.png",
 		"jeija_insulated_wire_ends_off.png"
 	},
 	paramtype = "light",

mesecons_extrawires/vertical.lua

@@ -77,7 +77,7 @@ minetest.register_node("mesecons_extrawires:vertical_on", {
 	walkable = false,
 	paramtype = "light",
 	sunlight_propagates = true,
-	groups = {dig_immediate = 3},
+	groups = {dig_immediate = 3, not_in_creative_inventory = 1},
 	selection_box = vbox,
 	node_box = vbox,
 	is_vertical_conductor = true,
@@ -117,11 +117,11 @@ minetest.register_node("mesecons_extrawires:vertical_off", {
 minetest.register_node("mesecons_extrawires:vertical_top_on", {
 	description = "Vertical mesecon",
 	drawtype = "nodebox",
-	tiles = {"wires_vertical_on.png"},
+	tiles = {"wires_full_on.png"},
 	walkable = false,
 	paramtype = "light",
 	sunlight_propagates = true,
-	groups = {dig_immediate = 3},
+	groups = {dig_immediate = 3, not_in_creative_inventory = 1},
 	selection_box = tbox,
 	node_box = tbox,
 	is_vertical_conductor = true,
@@ -139,11 +139,11 @@ minetest.register_node("mesecons_extrawires:vertical_top_on", {
 minetest.register_node("mesecons_extrawires:vertical_top_off", {
 	description = "Vertical mesecon",
 	drawtype = "nodebox",
-	tiles = {"wires_vertical_off.png"},
+	tiles = {"wires_full_off.png"},
 	walkable = false,
 	paramtype = "light",
 	sunlight_propagates = true,
-	groups = {dig_immediate = 3},
+	groups = {dig_immediate = 3, not_in_creative_inventory = 1},
 	selection_box = tbox,
 	node_box = tbox,
 	is_vertical_conductor = true,
@@ -162,12 +162,12 @@ minetest.register_node("mesecons_extrawires:vertical_top_off", {
 minetest.register_node("mesecons_extrawires:vertical_bottom_on", {
 	description = "Vertical mesecon",
 	drawtype = "nodebox",
-	tiles = {"wires_vertical_on.png"},
+	tiles = {"wires_full_on.png"},
 	walkable = false,
 	paramtype = "light",
 	sunlight_propagates = true,
 	vertical_conductor_state = "on",
-	groups = {dig_immediate = 3},
+	groups = {dig_immediate = 3, not_in_creative_inventory = 1},
 	selection_box = bbox,
 	node_box = bbox,
 	mesecons = {conductor = {
@@ -183,11 +183,11 @@ minetest.register_node("mesecons_extrawires:vertical_bottom_on", {
 minetest.register_node("mesecons_extrawires:vertical_bottom_off", {
 	description = "Vertical mesecon",
 	drawtype = "nodebox",
-	tiles = {"wires_vertical_off.png"},
+	tiles = {"wires_full_off.png"},
 	walkable = false,
 	paramtype = "light",
 	sunlight_propagates = true,
-	groups = {dig_immediate = 3},
+	groups = {dig_immediate = 3, not_in_creative_inventory = 1},
 	selection_box = bbox,
 	node_box = bbox,
 	is_vertical_conductor = true,

mesecons_insulated/init.lua

@@ -9,14 +9,14 @@ end
 
 minetest.register_node("mesecons_insulated:insulated_on", {
 	drawtype = "nodebox",
-	description = "insulated mesecons",
+	description = "Insulated Mesecon",
 	tiles = {
-		"jeija_insulated_wire_sides.png",
-		"jeija_insulated_wire_sides.png",
+		"jeija_insulated_wire_sides_on.png",
+		"jeija_insulated_wire_sides_on.png",
 		"jeija_insulated_wire_ends_on.png",
 		"jeija_insulated_wire_ends_on.png",
-		"jeija_insulated_wire_sides.png",
-		"jeija_insulated_wire_sides.png"
+		"jeija_insulated_wire_sides_on.png",
+		"jeija_insulated_wire_sides_on.png"
 	},
 	paramtype = "light",
 	paramtype2 = "facedir",
@@ -43,12 +43,12 @@ minetest.register_node("mesecons_insulated:insulated_off", {
 	drawtype = "nodebox",
 	description = "insulated mesecons",
 	tiles = {
-		"jeija_insulated_wire_sides.png",
-		"jeija_insulated_wire_sides.png",
+		"jeija_insulated_wire_sides_off.png",
+		"jeija_insulated_wire_sides_off.png",
 		"jeija_insulated_wire_ends_off.png",
 		"jeija_insulated_wire_ends_off.png",
-		"jeija_insulated_wire_sides.png",
-		"jeija_insulated_wire_sides.png"
+		"jeija_insulated_wire_sides_off.png",
+		"jeija_insulated_wire_sides_off.png"
 	},
 	paramtype = "light",
 	paramtype2 = "facedir",

mesecons_lamp/init.lua

@@ -2,6 +2,13 @@
 -- A lamp is "is an electrical device used to create artificial light" (wikipedia)
 -- guess what?
 
+mesecon_lamp_box = {
+	type = "wallmounted",
+	wall_top = {-0.3125,0.375,-0.3125,0.3125,0.5,0.3125},
+	wall_bottom = {-0.3125,-0.5,-0.3125,0.3125,-0.375,0.3125},
+	wall_side = {-0.375,-0.3125,-0.3125,-0.5,0.3125,0.3125},
+}
+
 minetest.register_node("mesecons_lamp:lamp_on", {
 	drawtype = "nodebox",
 	tiles = {"jeija_meselamp_on.png"},
@@ -11,18 +18,8 @@ minetest.register_node("mesecons_lamp:lamp_on", {
 	sunlight_propagates = true,
 	walkable = true,
 	light_source = LIGHT_MAX,
-	node_box = {
-		type = "wallmounted",
-		wall_top = {-0.3125,0.375,-0.3125,0.3125,0.5,0.3125},
-		wall_bottom = {-0.3125,-0.5,-0.3125,0.3125,-0.375,0.3125},
-		wall_side = {-0.375,-0.3125,-0.3125,-0.5,0.3125,0.3125},
-	},
-	selection_box = {
-		type = "wallmounted",
-		wall_top = {-0.3125,0.375,-0.3125,0.3125,0.5,0.3125},
-		wall_bottom = {-0.3125,-0.5,-0.3125,0.3125,-0.375,0.3125},
-		wall_side = {-0.375,-0.3125,-0.3125,-0.5,0.3125,0.3125},
-	},
+	node_box = mesecon_lamp_box,
+	selection_box = mesecon_lamp_box,
 	groups = {dig_immediate=3,not_in_creative_inventory=1, mesecon_effector_on = 1},
 	drop='"mesecons_lamp:lamp_off" 1',
 	mesecons = {effector = {
@@ -41,18 +38,8 @@ minetest.register_node("mesecons_lamp:lamp_off", {
 	paramtype2 = "wallmounted",
 	sunlight_propagates = true,
 	walkable = true,
-	node_box = {
-		type = "wallmounted",
-		wall_top = {-0.3125,0.375,-0.3125,0.3125,0.5,0.3125},
-		wall_bottom = {-0.3125,-0.5,-0.3125,0.3125,-0.375,0.3125},
-		wall_side = {-0.375,-0.3125,-0.3125,-0.5,0.3125,0.3125},
-	},
-	selection_box = {
-		type = "wallmounted",
-		wall_top = {-0.3125,0.375,-0.3125,0.3125,0.5,0.3125},
-		wall_bottom = {-0.3125,-0.5,-0.3125,0.3125,-0.375,0.3125},
-		wall_side = {-0.375,-0.3125,-0.3125,-0.5,0.3125,0.3125},
-	},
+	node_box = mesecon_lamp_box,
+	selection_box = mesecon_lamp_box,
 	groups = {dig_immediate=3, mesecon_receptor_off = 1, mesecon_effector_off = 1},
     	description="Meselamp",
 	mesecons = {effector = {

mesecons_microcontroller/init.lua

@@ -30,16 +30,16 @@ if (c == 1) then table.insert(rules, {x =  1, y = 0, z =  0}) end
 if (d == 1) then table.insert(rules, {x =  0, y = 0, z = -1}) end
 
 local input_rules={}
-if (a == 0) then table.insert(input_rules, {x = -1, y = 0, z =  0}) end
-if (b == 0) then table.insert(input_rules, {x =  0, y = 0, z =  1}) end
-if (c == 0) then table.insert(input_rules, {x =  1, y = 0, z =  0}) end
-if (d == 0) then table.insert(input_rules, {x =  0, y = 0, z = -1}) end
+if (a == 0) then table.insert(input_rules, {x = -1, y = 0, z =  0, name = "A"}) end
+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)
 
 local mesecons = {effector =
 {
 	rules = input_rules,
-	action_change = function (pos, node)
+	action_change = function (pos, node, rulename)
 		update_yc(pos)
 	end
 }}

mesecons_movestones/init.lua

@@ -70,7 +70,7 @@ minetest.register_node("mesecons_movestones:movestone", {
 			repeat -- Check if it collides with a stopper
 				collpos = mesecon:addPosRule(collpos, direction)
 				checknode=minetest.env:get_node(collpos)
-				if mesecon:is_mvps_stopper(checknode.name) then 
+				if mesecon:is_mvps_stopper(checknode.name, direction) then 
 					return
 				end
 			until checknode.name=="air"
@@ -97,7 +97,7 @@ minetest.register_entity("mesecons_movestones:movestone_entity", {
 
 	on_step = function(self, dtime)
 		local pos = self.object:getpos()
-		local direction=mesecon:get_movestone_direction(pos)
+		local direction = mesecon:get_movestone_direction(pos)
 
 		if not direction then
 			minetest.env:add_node(pos, {name="mesecons_movestones:movestone"})
@@ -105,9 +105,9 @@ minetest.register_entity("mesecons_movestones:movestone_entity", {
 			return
 		end
 
-		self.object:setvelocity({x=direction.x*3, y=direction.y*3, z=direction.z*3})
+		self.object:setvelocity({x=direction.x*2, y=direction.y*2, z=direction.z*2})
 
-		mesecon:mvps_push(pos, direction)
+		mesecon:mvps_push(pos, direction, 100)
 	end,
 })
 
@@ -140,7 +140,7 @@ minetest.register_node("mesecons_movestones:sticky_movestone", {
 			repeat -- Check if it collides with a stopper
 				collpos = mesecon:addPosRule(collpos, direction)
 				checknode=minetest.env:get_node(collpos)
-				if mesecon:is_mvps_stopper(checknode.name) then 
+				if mesecon:is_mvps_stopper(checknode.name, direction) then 
 					return 
 				end
 			until checknode.name=="air"
@@ -149,7 +149,7 @@ minetest.register_node("mesecons_movestones:sticky_movestone", {
 			repeat -- Check if it collides with a stopper (pull direction)
 				collpos={x=collpos.x-direction.x, y=collpos.y-direction.y, z=collpos.z-direction.z}
 				checknode=minetest.env:get_node(collpos)
-				if mesecon:is_mvps_stopper(checknode.name) then
+				if mesecon:is_mvps_stopper(checknode.name, direction) then
 					return 
 				end
 			until checknode.name=="air"
@@ -192,9 +192,9 @@ minetest.register_entity("mesecons_movestones:sticky_movestone_entity", {
 			return
 		end
 
-		self.object:setvelocity({x=direction.x*3, y=direction.y*3, z=direction.z*3})
+		self.object:setvelocity({x=direction.x*2, y=direction.y*2, z=direction.z*2})
 
-		mesecon:mvps_push(pos, direction)
+		mesecon:mvps_push(pos, direction, 100)
 
 		--STICKY
 		mesecon:mvps_pull_all(pos, direction)

mesecons_mvps/init.lua

@@ -2,42 +2,99 @@
 
 mesecon.mvps_stoppers={}
 
-function mesecon:is_mvps_stopper(nodename)
-	local i=1
-	repeat
-		i=i+1
-		if mesecon.mvps_stoppers[i]==nodename then return true end
-	until mesecon.mvps_stoppers[i]==nil
-	return false
+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)
+	end
+	return get_stopper
 end
 
-function mesecon:register_mvps_stopper(nodename)
-	local i=1
-	repeat
-		i=i+1
-		if mesecon.mvps_stoppers[i]==nil then break end
-	until false
-	mesecon.mvps_stoppers[i]=nodename
+function mesecon:register_mvps_stopper(nodename, get_stopper)
+	if get_stopper == nil then
+			get_stopper = true
+	end
+	mesecon.mvps_stoppers[nodename] = get_stopper
 end
 
-function mesecon:mvps_push(pos, direction) -- pos: pos of mvps; direction: direction of push
-		pos.x=pos.x+direction.x
-		pos.y=pos.y+direction.y
-		pos.z=pos.z+direction.z
+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
+		mesecon.on_placenode(n.pos, minetest.env:get_node(n.pos))
+		mesecon:update_autoconnect(n.pos)
+	end
+end
 
-		local lpos = {x=pos.x, y=pos.y, z=pos.z}
-		local lnode = minetest.env:get_node(lpos)
-		local newnode
-		minetest.env:remove_node(lpos)
-		while not(lnode.name == "ignore" or lnode.name == "air" or not(minetest.registered_nodes[lnode.name].liquidtype == "none")) do
-			lpos.x=lpos.x+direction.x
-			lpos.y=lpos.y+direction.y
-			lpos.z=lpos.z+direction.z
-			newnode = lnode
-			lnode = minetest.env:get_node(lpos)
-			minetest.env:add_node(lpos, newnode)
-			nodeupdate(lpos)
+function mesecon:mvps_push(pos, dir, maximum) -- pos: pos of mvps; dir: direction of push; maximum: maximum nodes to be pushed
+	np = {x = pos.x, y = pos.y, z = pos.z}
+
+	-- determine the number of nodes to be pushed
+	local nodes = {}
+	while true do
+		nn = minetest.env:get_node_or_nil(np)
+		if not nn or #nodes > maximum then
+			-- don't push at all, something is in the way (unloaded map or too many nodes)
+			return
 		end
+
+		if nn.name == "air"
+		or minetest.registered_nodes[nn.name].liquidtype ~= "none" then --is liquid
+			break
+		end
+
+		table.insert (nodes, {node = nn, pos = np})
+
+		np = mesecon:addPosRule(np, dir)
+	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
+			return
+		end
+	end
+
+	-- remove all nodes
+	for _, n in ipairs(nodes) do
+		minetest.env:remove_node(n.pos)
+		nodeupdate(n.pos)
+	end
+
+	-- 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)
+		minetest.env:add_node(np, n.node)
+		nodeupdate(np)
+	end
+
+	for i in ipairs(nodes) do
+		nodes[i].pos = mesecon:addPosRule(nodes[i].pos, dir)
+	end
+
+	return true, nodes
+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.env:get_node(np)
+
+	if minetest.registered_nodes[nn.name].liquidtype == "none"
+	and not mesecon:is_mvps_stopper(nn, {x = -dir.x, y = -dir.y, z = -dir.z}, {{pos = np, node = nn}}, 1) then
+		minetest.env:remove_node(np)
+		minetest.env:add_node(pos, nn)
+
+		nodeupdate(np)
+		nodeupdate(pos)
+		mesecon.on_dignode(np, nn)
+		mesecon:update_autoconnect(np)
+	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

mesecons_pistons/depends.txt

@@ -1,3 +1,2 @@
 mesecons
-mesecons_materials
 mesecons_mvps

mesecons_pressureplates/init.lua

@@ -1,159 +1,113 @@
--- PRESSURE PLATE WOOD
+local pp_box_off = {
+	type = "fixed",
+	fixed = { -7/16, -8/16, -7/16, 7/16, -7/16, 7/16 },
+}
 
-minetest.register_node("mesecons_pressureplates:pressure_plate_wood_off", {
-	drawtype = "nodebox",
-	tiles = {"jeija_pressure_plate_wood_off.png"},
-	inventory_image = "jeija_pressure_plate_wood_off.png",
-	wield_image = "jeija_pressure_plate_wood_off.png",
-	paramtype = "light",
-	is_ground_content = true,
-	walkable = true,
-	selection_box = {
-		type = "fixed",
-		fixed = { -7/16, -8/16, -7/16, 7/16, -7/16, 7/16 },
-	},
-	node_box = {
-		type = "fixed",
-		fixed = { -7/16, -8/16, -7/16, 7/16, -7/16, 7/16 },
-	},
-	groups = {snappy=2,choppy=2,oddly_breakable_by_hand=3, mesecon = 2},
-    	description="Wood Pressure Plate",
-	
-	on_timer = function(pos, elapsed)
-		local objs = minetest.env:get_objects_inside_radius(pos, 1)
+local pp_box_on = {
+	type = "fixed",
+	fixed = { -7/16, -8/16, -7/16, 7/16, -7/16, 7/16 },
+}
+
+pp_on_timer = function (pos, elapsed)
+	local node   = minetest.env:get_node(pos)
+	local ppspec = minetest.registered_nodes[node.name].pressureplate
+
+	-- 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
+
+	local objs   = minetest.env:get_objects_inside_radius(pos, 1)
+
+	if objs[1] == nil and node.name == ppspec.onstate then
+		minetest.env:add_node(pos, {name = ppspec.offstate})
+		mesecon:receptor_off(pos)
+		-- force deactivation of mesecon two blocks below (hacky)
+		mesecon:turnoff(mesecon:addPosRule(pos, {x = 0, y = -2, z = 0}))
+	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.env:add_node(pos, {name="mesecons_pressureplates:pressure_plate_wood_on"})
+			local objpos = obj:getpos()
+			if objpos.y > pos.y-1 and objpos.y < pos.y then
+				minetest.env:add_node(pos, {name=ppspec.onstate})
 				mesecon:receptor_on(pos)
+				-- force activation of mesecon two blocks below (hacky)
+				mesecon:turnon(mesecon:addPosRule(pos, {x = 0, y = -2, z = 0}))
 			end
 		end
-		return true
-	end,
-	
-	on_construct = function(pos)
-		minetest.env:get_node_timer(pos):start(PRESSURE_PLATE_INTERVAL)
-	end,
-})
+	end
+	return true
+end
 
-minetest.register_node("mesecons_pressureplates:pressure_plate_wood_on", {
-	drawtype = "nodebox",
-	tiles = {"jeija_pressure_plate_wood_on.png"},
-	paramtype = "light",
-	is_ground_content = true,
-	walkable = true,
-	selection_box = {
-		type = "fixed",
-		fixed = { -7/16, -8/16, -7/16, 7/16, -7/16, 7/16 },
-	},
-	node_box = {
-		type = "fixed",
-		fixed = { -7/16, -8/16, -7/16, 7/16, -31/64, 7/16 },
-	},
-	groups = {snappy=2,choppy=2,oddly_breakable_by_hand=3,not_in_creative_inventory=1, mesecon = 2},
-	drop='"mesecons_pressureplates:pressure_plate_wood_off" 1',
-	
-	on_timer = function(pos, elapsed)
-		local objs = minetest.env:get_objects_inside_radius(pos, 1)
-		if objs[1]==nil then
-			minetest.env:add_node(pos, {name="mesecons_pressureplates:pressure_plate_wood_off"})
-			mesecon:receptor_off(pos)
-		end
-		return true
-	end,
-	
-	on_construct = function(pos)
-		minetest.env:get_node_timer(pos):start(PRESSURE_PLATE_INTERVAL)
-	end,
-})
+-- Register a Pressure Plate
+-- offstate:	name of the pressure plate when inactive
+-- onstate:		name of the pressure plate when active
+-- description:	description displayed in the player's inventory
+-- tiles_off:	textures of the pressure plate when inactive
+-- tiles_on:	textures of the pressure plate when active
+-- image:		inventory and wield image of the pressure plate
+-- recipe:		crafting recipe of the pressure plate
 
-minetest.register_craft({
-	output = '"mesecons_pressureplates:pressure_plate_wood_off" 1',
-	recipe = {
-		{'"default:wood"', '"default:wood"'},
+function mesecon:register_pressure_plate(offstate, onstate, description, texture_off, texture_on, recipe)
+	local ppspec = {
+		offstate = offstate,
+		onstate  = onstate
 	}
-})
 
--- PRESSURE PLATE STONE
+	minetest.register_node(offstate, {
+		drawtype = "nodebox",
+		tiles = {texture_off},
+		inventory_image = texture_off,
+		wield_image = image,
+		paramtype = "light",
+		selection_box = pp_box_off,
+		node_box = pp_box_off,
+		groups = {snappy = 2, oddly_breakable_by_hand = 3},
+	    	description = description,
+		pressureplate = ppspec,
+		on_timer = pp_on_timer,
+		mesecons = {receptor = {
+			state = mesecon.state.off
+		}},
+		on_construct = function(pos)
+			minetest.env:get_node_timer(pos):start(PRESSURE_PLATE_INTERVAL)
+		end,
+	})
 
-minetest.register_node("mesecons_pressureplates:pressure_plate_stone_off", {
-	drawtype = "nodebox",
-	tiles = {"jeija_pressure_plate_stone_off.png"},
-	inventory_image = "jeija_pressure_plate_stone_off.png",
-	wield_image = "jeija_pressure_plate_stone_off.png",
-	paramtype = "light",
-	is_ground_content = true,
-	walkable = true,
-	selection_box = {
-		type = "fixed",
-		fixed = { -7/16, -8/16, -7/16, 7/16, -7/16, 7/16 },
-	},
-	node_box = {
-		type = "fixed",
-		fixed = { -7/16, -8/16, -7/16, 7/16, -7/16, 7/16 },
-	},
-	groups = {snappy=2,choppy=2,oddly_breakable_by_hand=3},
-    	description="Stone Pressure Plate",
-	
-	on_timer = function(pos, elapsed)
-		local objs = minetest.env:get_objects_inside_radius(pos, 1)
-		for k, obj in pairs(objs) do
-			local objpos=obj:getpos()
-			if objpos.y>pos.y-1 and objpos.y<pos.y then
-				minetest.env:add_node(pos, {name="mesecons_pressureplates:pressure_plate_stone_on"})
-				mesecon:receptor_on(pos)
-			end
-		end
-		return true
-	end,
-	
-	on_construct = function(pos)
-		minetest.env:get_node_timer(pos):start(PRESSURE_PLATE_INTERVAL)
-	end,
+	minetest.register_node(onstate, {
+		drawtype = "nodebox",
+		tiles = {texture_on},
+		paramtype = "light",
+		selection_box = pp_box_on,
+		node_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,
+		mesecons = {receptor = {
+			state = mesecon.state.on
+		}},
+		on_construct = function(pos)
+			minetest.env:get_node_timer(pos):start(PRESSURE_PLATE_INTERVAL)
+		end,
+	})
 
-	mesecons = {receptor = {
-		state = mesecon.state.off
-	}}
-})
+	minetest.register_craft({
+		output = offstate,
+		recipe = recipe,
+	})
+end
 
-minetest.register_node("mesecons_pressureplates:pressure_plate_stone_on", {
-	drawtype = "nodebox",
-	tiles = {"jeija_pressure_plate_stone_on.png"},
-	paramtype = "light",
-	is_ground_content = true,
-	walkable = true,
-	selection_box = {
-		type = "fixed",
-		fixed = { -7/16, -8/16, -7/16, 7/16, -7/16, 7/16 },
-	},
-	node_box = {
-		type = "fixed",
-		fixed = { -7/16, -8/16, -7/16, 7/16, -31/64, 7/16 },
-	},
-	groups = {snappy=2,choppy=2,oddly_breakable_by_hand=3,not_in_creative_inventory=1},
-	drop='"mesecons_pressureplates:pressure_plate_stone_off" 1',
-	
-	on_timer = function(pos, elapsed)
-		local objs = minetest.env:get_objects_inside_radius(pos, 1)
-		if objs[1]==nil then
-			minetest.env:add_node(pos, {name="mesecons_pressureplates:pressure_plate_stone_off"})
-			mesecon:receptor_off(pos)
-		end
-		return true
-	end,
-	
-	on_construct = function(pos)
-		minetest.env:get_node_timer(pos):start(PRESSURE_PLATE_INTERVAL)
-	end,
+mesecon:register_pressure_plate(
+	"mesecons_pressureplates:pressure_plate_wood_off",
+	"mesecons_pressureplates:pressure_plate_wood_on",
+	"Wooden Pressure Plate",
+	"jeija_pressure_plate_wood_off.png",
+	"jeija_pressure_plate_wood_on.png",
+	{{"default:wood", "default:wood"}})
 
-	mesecons = {receptor = {
-		state = mesecon.state.off
-	}}
-})
-
-minetest.register_craft({
-	output = '"mesecons_pressureplates:pressure_plate_stone_off" 1',
-	recipe = {
-		{'"default:cobble"', '"default:cobble"'},
-	}
-})
+mesecon:register_pressure_plate(
+	"mesecons_pressureplates:pressure_plate_stone_off",
+	"mesecons_pressureplates:pressure_plate_stone_on",
+	"Stone Pressure Plate",
+	"jeija_pressure_plate_stone_off.png",
+	"jeija_pressure_plate_stone_on.png",
+	{{"default:cobble", "default:cobble"}})

mesecons_torch/init.lua

@@ -1,53 +1,54 @@
 --MESECON TORCHES
 
-local torch_get_rules = function(node)
-	local 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}}
-	if node.param2 == 5 then
-		rules=mesecon:rotate_rules_right(rules)
-	elseif node.param2 == 2 then
-		rules=mesecon:rotate_rules_right(mesecon:rotate_rules_right(rules)) --180 degrees
-	elseif node.param2 == 4 then
-		rules=mesecon:rotate_rules_left(rules)
-	elseif node.param2 == 1 then
-		rules=mesecon:rotate_rules_down(rules)
-	elseif node.param2 == 0 then
-		rules=mesecon:rotate_rules_up(rules)
+local rotate_torch_rules = function (rules, param2)
+	if param2 == 5 then
+		return mesecon:rotate_rules_right(rules)
+	elseif param2 == 2 then
+		return mesecon:rotate_rules_right(mesecon:rotate_rules_right(rules)) --180 degrees
+	elseif param2 == 4 then
+		return mesecon:rotate_rules_left(rules)
+	elseif param2 == 1 then
+		return mesecon:rotate_rules_down(rules)
+	elseif param2 == 0 then
+		return mesecon:rotate_rules_up(rules)
+	else
+		return rules
 	end
-	return rules
+end
+
+local torch_get_output_rules = function(node)
+	local 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}}
+
+	return rotate_torch_rules(rules, node.param2)
 end
 
 local torch_get_input_rules = function(node)
-        local rules = {x=0, y=0, z=0}
+	local rules = 	{{x = -2, y = 0, z = 0},
+				 {x = -1, y = 1, z = 0}}
 
-	if node.param2 == 4 then
-		rules.z = -2
-	elseif node.param2 == 2 then
-		rules.x = -2
-	elseif node.param2 == 5 then
-		rules.z = 2
-	elseif node.param2 == 3 then
-		 rules.x = 2
-	elseif node.param2 == 1 then
-		rules.y = 2
-	elseif node.param2 == 0 then
-		rules.y = -2
-        end
-	return rules
+	return rotate_torch_rules(rules, node.param2)
 end
 
 minetest.register_craft({
 	output = '"mesecons_torch:mesecon_torch_on" 4',
 	recipe = {
-		{"group:mesecon_conductor_craftable"},
-	{"default:stick"},
-	}
+	{"group:mesecon_conductor_craftable"},
+	{"default:stick"},}
 })
 
+local torch_selectionbox =
+{
+	type = "wallmounted",
+	wall_top = {-0.1, 0.5-0.6, -0.1, 0.1, 0.5, 0.1},
+	wall_bottom = {-0.1, -0.5, -0.1, 0.1, -0.5+0.6, 0.1},
+	wall_side = {-0.5, -0.1, -0.1, -0.5+0.6, 0.1, 0.1},
+}
+
 minetest.register_node("mesecons_torch:mesecon_torch_off", {
 	drawtype = "torchlike",
 	tiles = {"jeija_torches_off.png", "jeija_torches_off_ceiling.png", "jeija_torches_off_side.png"},
@@ -55,19 +56,12 @@ minetest.register_node("mesecons_torch:mesecon_torch_off", {
 	paramtype = "light",
 	walkable = false,
 	paramtype2 = "wallmounted",
-	selection_box = {
-		type = "wallmounted",
-		wall_top = {-0.1, 0.5-0.6, -0.1, 0.1, 0.5, 0.1},
-		wall_bottom = {-0.1, -0.5, -0.1, 0.1, -0.5+0.6, 0.1},
-		wall_side = {-0.5, -0.1, -0.1, -0.5+0.6, 0.1, 0.1},
-	},
-	legacy_wallmounted = true,
-	groups = {dig_immediate=3,not_in_creative_inventory=1},
-	drop = '"mesecons_torch:mesecon_torch_on" 1',
-	description="Mesecon Torch",
+	selection_box = torch_selectionbox,
+	groups = {dig_immediate = 3, not_in_creative_inventory = 1},
+	drop = "mesecons_torch:mesecon_torch_on",
 	mesecons = {receptor = {
 		state = mesecon.state.off,
-		rules = torch_get_rules
+		rules = torch_get_output_rules
 	}}
 })
 
@@ -80,43 +74,39 @@ minetest.register_node("mesecons_torch:mesecon_torch_on", {
 	sunlight_propagates = true,
 	walkable = false,
 	paramtype2 = "wallmounted",
-	selection_box = {
-		type = "wallmounted",
-		wall_top = {-0.1, 0.5-0.6, -0.1, 0.1, 0.5, 0.1},
-		wall_bottom = {-0.1, -0.5, -0.1, 0.1, -0.5+0.6, 0.1},
-		wall_side = {-0.5, -0.1, -0.1, -0.5+0.6, 0.1, 0.1},
-	},
-	legacy_wallmounted = true,
+	selection_box = torch_selectionbox,
 	groups = {dig_immediate=3},
 	light_source = LIGHT_MAX-5,
 	description="Mesecon Torch",
 	mesecons = {receptor = {
 		state = mesecon.state.on,
-		rules = torch_get_rules
-	}}
+		rules = torch_get_output_rules
+	}},
 })
 
 minetest.register_abm({
-    nodenames = {"mesecons_torch:mesecon_torch_off","mesecons_torch:mesecon_torch_on"},
-    interval = 1,
-    chance = 1,
-    action = function(pos, node, active_object_count, active_object_count_wider)
-	local node = minetest.env:get_node(pos)
-	local pa = torch_get_input_rules(node)
+	nodenames = {"mesecons_torch:mesecon_torch_off","mesecons_torch:mesecon_torch_on"},
+	interval = 1,
+	chance = 1,
+	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
+				is_powered = true
+			end
+		end
 
-        local postc = {x=pos.x-pa.x, y=pos.y-pa.y, z=pos.z-pa.z}
-        if mesecon:is_power_on(postc) then
-            if node.name ~= "mesecons_torch:mesecon_torch_off" then
-                minetest.env:add_node(pos, {name="mesecons_torch:mesecon_torch_off",param2=node.param2})
-                mesecon:receptor_off(pos, torch_get_rules(node))
-            end
-        else
-            if node.name ~= "mesecons_torch:mesecon_torch_on" then
-                minetest.env:add_node(pos, {name="mesecons_torch:mesecon_torch_on",param2=node.param2})
-                mesecon:receptor_on(pos, torch_get_rules(node))
-            end
-        end
-    end
+		if is_powered then
+			if node.name == "mesecons_torch:mesecon_torch_on" then
+				mesecon:swap_node(pos, "mesecons_torch:mesecon_torch_off")
+				mesecon:receptor_off(pos, torch_get_output_rules(node))
+			end
+		elseif node.name == "mesecons_torch:mesecon_torch_off" then
+			mesecon:swap_node(pos, "mesecons_torch:mesecon_torch_on")
+			mesecon:receptor_on(pos, torch_get_output_rules(node))
+		end
+	end
 })
 
 -- Param2 Table (Block Attached To)