Crossover

mesecons/init.lua

@@ -79,7 +79,7 @@ dofile(minetest.get_modpath("mesecons").."/legacy.lua");
 function mesecon:receptor_on(pos, rules)
 	rules = rules or mesecon.rules.default
 
-	for _, rule in ipairs(rules) do
+	for _, rule in ipairs(mesecon:flattenrules(rules)) do
 		local np = mesecon:addPosRule(pos, rule)
 		local link, rulename = mesecon:rules_link(pos, np, rules)
 		if link then
@@ -91,11 +91,11 @@ end
 function mesecon:receptor_off(pos, rules)
 	rules = rules or mesecon.rules.default
 
-	for _, rule in ipairs(rules) do
+	for _, rule in ipairs(mesecon:flattenrules(rules)) do
 		local np = mesecon:addPosRule(pos, rule)
 		local link, rulename = mesecon:rules_link(pos, np, rules)
 		if link then
-			if not mesecon:connected_to_receptor(np) then
+			if not mesecon:connected_to_receptor(np, mesecon:invertRule(rule)) then
 				mesecon:turnoff(np, rulename)
 			else
 				mesecon:changesignal(np, minetest.env:get_node(np), rulename, mesecon.state.off)

mesecons/internal.lua

@@ -212,18 +212,38 @@ end
 
 -- Conductors
 
-function mesecon:is_conductor_on(nodename)
+function mesecon:is_conductor_on(nodename, rulename)
 	local conductor = mesecon:get_conductor(nodename)
-	if conductor and conductor.state == mesecon.state.on then
+	if conductor then
-		return true
+		if conductor.state then
+			return conductor.state == mesecon.state.on
+		end
+		if conductor.states then
+			if not rulename then
+				return mesecon:getstate(nodename, conductor.states) ~= 1
+			end
+			local bit = mesecon:rule2bit(rulename, mesecon:conductor_get_rules(minetest.registered_nodes[nodename]))
+			local binstate = mesecon:getbinstate(nodename, conductor.states)
+			return mesecon:get_bit(binstate, bit)
+		end
 	end
 	return false
 end
 
-function mesecon:is_conductor_off(nodename)
+function mesecon:is_conductor_off(nodename, rulename)
 	local conductor = mesecon:get_conductor(nodename)
-	if conductor and conductor.state == mesecon.state.off then
+	if conductor then
-		return true
+		if conductor.state then
+			return conductor.state == mesecon.state.off
+		end
+		if conductor.states then
+			if not rulename then
+				return mesecon:getstate(nodename, conductor.states) == 1
+			end
+			local bit = mesecon:rule2bit(rulename, mesecon:conductor_get_rules(minetest.registered_nodes[nodename]))
+			local binstate = mesecon:getbinstate(nodename, conductor.states)
+			return not mesecon:get_bit(binstate, bit)
+		end
 	end
 	return false
 end
@@ -236,20 +256,36 @@ function mesecon:is_conductor(nodename)
 	return false
 end
 
-function mesecon:get_conductor_on(offstate)
+function mesecon:get_conductor_on(offstate, rulename)
 	local conductor = mesecon:get_conductor(offstate)
 	if conductor then
+		if conductor.onstate then
 			return conductor.onstate
 		end
-	return false
+		if conductor.states then
+			local bit = mesecon:rule2bit(rulename, mesecon:conductor_get_rules(minetest.registered_nodes[offstate]))
+			local binstate = mesecon:getbinstate(offstate, 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(onstate)
+function mesecon:get_conductor_off(onstate, rulename)
 	local conductor = mesecon:get_conductor(onstate)
 	if conductor then
+		if conductor.offstate then
 			return conductor.offstate
 		end
-	return false
+		if conductor.states then
+			local bit = mesecon:rule2bit(rulename, mesecon:conductor_get_rules(minetest.registered_nodes[onstate]))
+			local binstate = mesecon:getbinstate(onstate, 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)
@@ -267,17 +303,17 @@ end
 
 -- some more general high-level stuff
 
-function mesecon:is_power_on(pos)
+function mesecon:is_power_on(pos, rulename)
 	local node = minetest.env:get_node(pos)
-	if mesecon:is_conductor_on(node.name) or mesecon:is_receptor_on(node.name) then
+	if mesecon:is_conductor_on(node.name, rulename) or mesecon:is_receptor_on(node.name) then
 		return true
 	end
 	return false
 end
 
-function mesecon:is_power_off(pos)
+function mesecon:is_power_off(pos, rulename)
 	local node = minetest.env:get_node(pos)
-	if mesecon:is_conductor_off(node.name) or mesecon:is_receptor_off(node.name) then
+	if mesecon:is_conductor_off(node.name, rulename) or mesecon:is_receptor_off(node.name) then
 		return true
 	end
 	return false
@@ -286,11 +322,21 @@ end
 function mesecon:turnon(pos, rulename)
 	local node = minetest.env:get_node(pos)
 
-	if mesecon:is_conductor_off(node.name) then
+	if mesecon:is_conductor_off(node.name, rulename) then
 		local rules = mesecon:conductor_get_rules(node)
-		minetest.env:add_node(pos, {name = mesecon:get_conductor_on(node.name), param2 = node.param2})
 
-		for _, rule in ipairs(rules) do
+		if not rulename then
+			for _, rule in ipairs(mesecon:flattenrules(rules)) do
+				if mesecon:connected_to_receptor(pos, rule) then
+					mesecon:turnon(pos, rule)
+				end
+			end
+			return
+		end
+
+		minetest.env:add_node(pos, {name = mesecon:get_conductor_on(node.name, rulename), param2 = node.param2})
+
+		for _, rule in ipairs(mesecon:rule2meta(rulename, rules)) do
 			local np = mesecon:addPosRule(pos, rule)
 			local link, rulename = mesecon:rules_link(pos, np)
 
@@ -309,11 +355,21 @@ end
 function mesecon:turnoff(pos, rulename)
 	local node = minetest.env:get_node(pos)
 
-	if mesecon:is_conductor_on(node.name) then
+	if mesecon:is_conductor_on(node.name, rulename) then
 		local rules = mesecon:conductor_get_rules(node)
-		minetest.env:add_node(pos, {name = mesecon:get_conductor_off(node.name), param2 = node.param2})
+		--[[
+		if not rulename then
+			for _, rule in ipairs(mesecon:flattenrules(rules)) do
+				if mesecon:is_powered(pos, rule) then
+					mesecon:turnoff(pos, rule)
+				end
+			end
+			return
+		end
+		--]]
+		minetest.env:add_node(pos, {name = mesecon:get_conductor_off(node.name, rulename), param2 = node.param2})
 
-		for _, rule in ipairs(rules) do
+		for _, rule in ipairs(mesecon:rule2meta(rulename, rules)) do
 			local np = mesecon:addPosRule(pos, rule)
 			local link, rulename = mesecon:rules_link(pos, np)
 
@@ -331,17 +387,17 @@ function mesecon:turnoff(pos, rulename)
 end
 
 
-function mesecon:connected_to_receptor(pos)
+function mesecon:connected_to_receptor(pos, rulename)
 	local node = minetest.env:get_node(pos)
 
 	-- 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
+	for _, rule in ipairs(mesecon:rule2meta(rulename, rules)) do
 		local np = mesecon:addPosRule(pos, rule)
 		if mesecon:rules_link(np, pos) then
-			if mesecon:find_receptor_on(np, {}) then
+			if mesecon:find_receptor_on(np, {}, mesecon:invertRule(rule)) then
 				return true
 			end
 		end
@@ -350,7 +406,7 @@ function mesecon:connected_to_receptor(pos)
 	return false
 end
 
-function mesecon:find_receptor_on(pos, checked)
+function mesecon:find_receptor_on(pos, checked, rulename)
 	-- 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
@@ -368,10 +424,10 @@ function mesecon:find_receptor_on(pos, checked)
 
 	if mesecon:is_conductor(node.name) then
 		local rules = mesecon:conductor_get_rules(node)
-		for _, rule in ipairs(rules) do
+		for _, rule in ipairs(mesecon:rule2meta(rulename, rules)) do
 			local np = mesecon:addPosRule(pos, rule)
 			if mesecon:rules_link(np, pos) then
-				if mesecon:find_receptor_on(np, checked) then
+				if mesecon:find_receptor_on(np, checked, mesecon:invertRule(rule)) then
 					return true
 				end
 			end
@@ -390,13 +446,13 @@ function mesecon:rules_link(output, input, dug_outputrules) --output/input are p
 		return
 	end
 
-	for _, outputrule in ipairs(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(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
-					return true, inputrule.name
+					return true, inputrule
 				end
 			end
 		end
@@ -408,16 +464,26 @@ 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)
+function mesecon:is_powered(pos, rule)
 	local node = minetest.env:get_node(pos)
 	local rules = mesecon:get_any_inputrules(node)
 	if not rules then return false end
 
-	for _, rule in ipairs(rules) do
+	if not rule then
+		for _, rule in ipairs(mesecon:flattenrules(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))
+			if (mesecon:is_conductor_on (nn.name, mesecon:invertRule(rule)) or mesecon:is_receptor_on (nn.name))
+			and mesecon:rules_link(np, pos) then
+				return true
+			end
+		end
+	else
+		local np = mesecon:addPosRule(pos, rule)
+		local nn = minetest.env:get_node(np)
+
+		if (mesecon:is_conductor_on (nn.name, mesecon:invertRule(rule)) or mesecon:is_receptor_on (nn.name))
 		and mesecon:rules_link(np, pos) then
 			return true
 		end

mesecons/services.lua

@@ -5,7 +5,7 @@ mesecon.on_placenode = function (pos)
 	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))
+			--mesecon:receptor_on (pos, mesecon:conductor_get_rules(node))
 		else
 			mesecon:changesignal(pos, node)
 			mesecon:activate(pos, node)

mesecons/util.lua

@@ -14,6 +14,143 @@ function mesecon:move_node(pos, newpos)
 	minetest.env:get_meta(pos):from_table(meta)
 end
 
+--[[ new functions:
+mesecon:flattenrules(allrules)
+mesecon:rule2bit(findrule, allrules)
+mesecon:rule2meta(findrule, allrules)
+dec2bin(n)
+mesecon:getstate(nodename, states)
+mesecon:getbinstate(nodename, states)
+mesecon:get_bit(binary, bit)
+mesecon:set_bit(binary, bit, value)
+mesecon:invertRule(r)
+--]]
+
+function mesecon:flattenrules(allrules)
+--[[
+	{
+		{
+			{xyz},
+			{xyz},
+		},
+		{
+			{xyz},
+			{xyz},
+		},
+	}
+--]]
+	if allrules[1] and
+	   allrules[1].x then
+		return allrules
+	end
+
+	local shallowrules = {}
+	for _, metarule in ipairs( allrules) do
+	for _,     rule in ipairs(metarule ) do
+		table.insert(shallowrules, rule)
+	end
+	end
+	return shallowrules
+--[[
+	{
+		{xyz},
+		{xyz},
+		{xyz},
+		{xyz},
+	}
+--]]
+end
+
+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
+	    not findrule then
+		return 1
+	end
+	for m,metarule in ipairs( allrules) do
+	for _,    rule in ipairs(metarule ) do
+		if mesecon:cmpPos(findrule, rule) then
+			return m
+		end
+	end
+	end
+end
+
+function mesecon:rule2meta(findrule, allrules)
+	--get the metarule the rule is in, or allrules
+
+	if allrules[1].x then
+		return allrules
+	end
+
+	if not(findrule) then
+		return mesecon:flattenrules(allrules)
+	end
+
+	for m, metarule in ipairs( allrules) do
+	for _,     rule in ipairs(metarule ) do
+		if mesecon:cmpPos(findrule, rule) then
+			return metarule
+		end
+	end
+	end
+end
+
+if convert_base then
+	print(
+		"base2dec is tonumber(num,base1)\n"..
+		"commonlib needs dec2base(num,base2)\n"..
+		"and it needs base2base(num,base1,base2),\n"..
+		"which is dec2base(tonumber(num,base1),base2)"
+	)
+else
+	function dec2bin(n)
+		local x, y = math.floor(n / 2), n % 2
+		if (n > 1) then
+			return dec2bin(x)..y
+		else
+			return ""..y
+		end
+	end
+end
+
+function mesecon:getstate(nodename, states)
+	for state, name in ipairs(states) do
+		if name == nodename then
+			return state
+		end
+	end
+	error(nodename.." doesn't mention itself in "..dump(states))
+end
+
+function mesecon:getbinstate(nodename, states)
+	return dec2bin(mesecon:getstate(nodename, states)-1)
+end
+
+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)
+	if value == "1" 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
+			return dec2bin(tonumber(binary,2)-math.pow(2,bit-1))
+		end
+	end
+	return binary
+	
+end
+
+function mesecon:invertRule(r)
+	return {x = -r.x, y = -r.y, z = -r.z}
+end
 
 function mesecon:addPosRule(p, r)
 	return {x = p.x + r.x, y = p.y + r.y, z = p.z + r.z}

mesecons_extrawires/crossing.lua

@@ -1,49 +0,0 @@
--- CODE NOT ACTIVE
-
-local crossing_get_rules = function(node)
-	--TODO: calculate the real port states and use rules to link to them only if 
-end
-
-minetest.register_node("mesecons_extrawires:crossing_on", {
-	drawtype = "nodebox",
-	tiles = {"jeija_insulated_wire_sides_on.png"},
-	paramtype = "light",
-	walkable = false,
-	stack_max = 99,
-	selection_box = {type="fixed", fixed={-16/32-0.0001, -18/32, -16/32-0.001, 16/32+0.001, -5/32, 16/32+0.001}},
-	node_box = {
-		type = "fixed",
-		fixed = {
-			{ -16/32-0.001, -17/32, -3/32, 16/32+0.001, -13/32, 3/32 },
-			{ -3/32, -17/32, -16/32-0.001, 3/32, -13/32, -6/32 },
-			{ -3/32, -13/32, -9/32, 3/32, -6/32, -6/32 },
-			{ -3/32, -9/32, -9/32, 3/32, -6/32, 9/32 },
-			{ -3/32, -13/32, 6/32, 3/32, -6/32, 9/32 },
-			{ -3/32, -17/32, 6/32, 3/32, -13/32, 16/32+0.001 },
-		},
-	},
-	groups = {dig_immediate=3, mesecon=3, mesecon_conductor_craftable=1, not_in_creative_inventory=1},
-	mesecons = {
-		receptor = {
-			state = mesecon.state.on,
-			rules = crossing_get_rules,
-		}
-	},
-})
-
-minetest.register_craft({
-	type = "shapeless",
-	output = "mesecons_extrawires:crossing",
-	recipe = {
-		"mesecons_insulated:insulated_off",
-		"mesecons_insulated:insulated_off",
-	},
-})
-
-minetest.register_craft({
-	type = "shapeless",
-	output = "mesecons_insulated:insulated_off 2",
-	recipe = {
-		"mesecons_extrawires:crossing",
-	},
-})

mesecons_extrawires/crossover.lua

@@ -0,0 +1,151 @@
+function crossover_get_rules(node)
+	return {
+		{--first wire
+			{x=-1,y=0,z=0},
+			{x=1,y=0,z=0},
+		},
+		{--second wire
+			{x=0,y=0,z=-1},
+			{x=0,y=0,z=1},
+		},
+	}
+end
+
+local crossover_states = {
+	"mesecons_extrawires:crossover_off",
+	"mesecons_extrawires:crossover_01",
+	"mesecons_extrawires:crossover_10",
+	"mesecons_extrawires:crossover_on",
+}
+
+minetest.register_node("mesecons_extrawires:crossover_off", {
+	description = "Insulated Crossover",
+	drawtype = "nodebox",
+	tiles = {"jeija_insulated_wire_sides_off.png"},
+	paramtype = "light",
+	walkable = false,
+	stack_max = 99,
+	selection_box = {type="fixed", fixed={-16/32-0.0001, -18/32, -16/32-0.001, 16/32+0.001, -5/32, 16/32+0.001}},
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -16/32-0.001, -17/32, -3/32, 16/32+0.001, -13/32, 3/32 },
+			{ -3/32, -17/32, -16/32-0.001, 3/32, -13/32, -6/32 },
+			{ -3/32, -13/32, -9/32, 3/32, -6/32, -6/32 },
+			{ -3/32, -9/32, -9/32, 3/32, -6/32, 9/32 },
+			{ -3/32, -13/32, 6/32, 3/32, -6/32, 9/32 },
+			{ -3/32, -17/32, 6/32, 3/32, -13/32, 16/32+0.001 },
+		},
+	},
+	groups = {dig_immediate=3, mesecon=3, mesecon_conductor_craftable=1},
+	mesecons = {
+		conductor = {
+			states = crossover_states,
+			rules = crossover_get_rules(),
+		}
+	},
+})
+
+minetest.register_node("mesecons_extrawires:crossover_01", {
+	description = "You hacker you!",
+	drop = "mesecons_extrawires:crossover_off",
+	drawtype = "nodebox",
+	tiles = {"default_dirt.png"},
+	paramtype = "light",
+	walkable = false,
+	stack_max = 99,
+	selection_box = {type="fixed", fixed={-16/32-0.0001, -18/32, -16/32-0.001, 16/32+0.001, -5/32, 16/32+0.001}},
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -16/32-0.001, -17/32, -3/32, 16/32+0.001, -13/32, 3/32 },
+			{ -3/32, -17/32, -16/32-0.001, 3/32, -13/32, -6/32 },
+			{ -3/32, -13/32, -9/32, 3/32, -6/32, -6/32 },
+			{ -3/32, -9/32, -9/32, 3/32, -6/32, 9/32 },
+			{ -3/32, -13/32, 6/32, 3/32, -6/32, 9/32 },
+			{ -3/32, -17/32, 6/32, 3/32, -13/32, 16/32+0.001 },
+		},
+	},
+	groups = {dig_immediate=3, mesecon=3, mesecon_conductor_craftable=1, not_in_creative_inventory=1},
+	mesecons = {
+		conductor = {
+			states = crossover_states,
+			rules = crossover_get_rules(),
+		}
+	},
+})
+
+minetest.register_node("mesecons_extrawires:crossover_10", {
+	description = "You hacker you!",
+	drop = "mesecons_extrawires:crossover_off",
+	drawtype = "nodebox",
+	tiles = {"default_stone.png"},
+	paramtype = "light",
+	walkable = false,
+	stack_max = 99,
+	selection_box = {type="fixed", fixed={-16/32-0.0001, -18/32, -16/32-0.001, 16/32+0.001, -5/32, 16/32+0.001}},
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -16/32-0.001, -17/32, -3/32, 16/32+0.001, -13/32, 3/32 },
+			{ -3/32, -17/32, -16/32-0.001, 3/32, -13/32, -6/32 },
+			{ -3/32, -13/32, -9/32, 3/32, -6/32, -6/32 },
+			{ -3/32, -9/32, -9/32, 3/32, -6/32, 9/32 },
+			{ -3/32, -13/32, 6/32, 3/32, -6/32, 9/32 },
+			{ -3/32, -17/32, 6/32, 3/32, -13/32, 16/32+0.001 },
+		},
+	},
+	groups = {dig_immediate=3, mesecon=3, mesecon_conductor_craftable=1, not_in_creative_inventory=1},
+	mesecons = {
+		conductor = {
+			states = crossover_states,
+			rules = crossover_get_rules(),
+		}
+	},
+})
+
+minetest.register_node("mesecons_extrawires:crossover_on", {
+	description = "You hacker you!",
+	drop = "mesecons_extrawires:crossover_off",
+	drawtype = "nodebox",
+	tiles = {"jeija_insulated_wire_sides_on.png"},
+	paramtype = "light",
+	walkable = false,
+	stack_max = 99,
+	selection_box = {type="fixed", fixed={-16/32-0.0001, -18/32, -16/32-0.001, 16/32+0.001, -5/32, 16/32+0.001}},
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -16/32-0.001, -17/32, -3/32, 16/32+0.001, -13/32, 3/32 },
+			{ -3/32, -17/32, -16/32-0.001, 3/32, -13/32, -6/32 },
+			{ -3/32, -13/32, -9/32, 3/32, -6/32, -6/32 },
+			{ -3/32, -9/32, -9/32, 3/32, -6/32, 9/32 },
+			{ -3/32, -13/32, 6/32, 3/32, -6/32, 9/32 },
+			{ -3/32, -17/32, 6/32, 3/32, -13/32, 16/32+0.001 },
+		},
+	},
+	groups = {dig_immediate=3, mesecon=3, mesecon_conductor_craftable=1, not_in_creative_inventory=1},
+	mesecons = {
+		conductor = {
+			states = crossover_states,
+			rules = crossover_get_rules(),
+		}
+	},
+})
+
+minetest.register_craft({
+	type = "shapeless",
+	output = "mesecons_extrawires:crossover_off",
+	recipe = {
+		"mesecons_insulated:insulated_off",
+		"mesecons_insulated:insulated_off",
+	},
+})
+
+minetest.register_craft({
+	type = "shapeless",
+	output = "mesecons_insulated:insulated_off 2",
+	recipe = {
+		"mesecons_extrawires:crossover_off",
+	},
+})

mesecons_extrawires/init.lua

@@ -1,5 +1,4 @@
--- dofile(minetest.get_modpath("mesecons_extrawires").."/crossing.lua");
+dofile(minetest.get_modpath("mesecons_extrawires").."/crossover.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_luacontroller/init.lua

@@ -33,13 +33,13 @@ rules.d = {x =  0, y = 0, z = -1, name="D"}
 
 local get_real_portstates = function(pos) -- determine if ports are powered (by itself or from outside)
 	ports = {
-		a = mesecon:is_power_on(mesecon:addPosRule(pos, rules.a))
+		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))
+		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))
+		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))
+		d = mesecon:is_power_on(mesecon:addPosRule(pos, rules.d), mesecon:invertRule(rules.d))
 			and mesecon:rules_link(mesecon:addPosRule(pos, rules.d), pos),
 	}
 	return ports

mesecons_microcontroller/init.lua

@@ -635,10 +635,18 @@ function yc_get_real_portstates(pos) -- port powered or not (by itself or from o
 	rulesC = mesecon:get_rules("mesecons_microcontroller:microcontroller0100")
 	rulesD = mesecon:get_rules("mesecons_microcontroller:microcontroller1000")
 	L = {
-		a = mesecon:is_power_on({x=pos.x+rulesA[1].x, y=pos.y+rulesA[1].y, z=pos.z+rulesA[1].z}) and mesecon:rules_link({x=pos.x+rulesA[1].x, y=pos.y+rulesA[1].y, z=pos.z+rulesA[1].z}, pos),
+		a = mesecon:is_power_on(mesecon:addPosRule(pos, rulesA[1]),
-		b = mesecon:is_power_on({x=pos.x+rulesB[1].x, y=pos.y+rulesB[1].y, z=pos.z+rulesB[1].z}) and mesecon:rules_link({x=pos.x+rulesB[1].x, y=pos.y+rulesB[1].y, z=pos.z+rulesB[1].z}, pos),
+			mesecon:invertRule(rulesA[1])) and
-		c = mesecon:is_power_on({x=pos.x+rulesC[1].x, y=pos.y+rulesC[1].y, z=pos.z+rulesC[1].z}) and mesecon:rules_link({x=pos.x+rulesC[1].x, y=pos.y+rulesC[1].y, z=pos.z+rulesC[1].z}, pos),
+			mesecon:rules_link(mesecon:addPosRule(pos, rulesA[1]), pos),
-		d = mesecon:is_power_on({x=pos.x+rulesD[1].x, y=pos.y+rulesD[1].y, z=pos.z+rulesD[1].z}) and mesecon:rules_link({x=pos.x+rulesD[1].x, y=pos.y+rulesD[1].y, z=pos.z+rulesD[1].z}, pos)
+		b = mesecon:is_power_on(mesecon:addPosRule(pos, rulesB[1]),
+			mesecon:invertRule(rulesB[1])) and
+			mesecon:rules_link(mesecon:addPosRule(pos, rulesB[1]), pos),
+		c = mesecon:is_power_on(mesecon:addPosRule(pos, rulesC[1]),
+			mesecon:invertRule(rulesC[1])) and
+			mesecon:rules_link(mesecon:addPosRule(pos, rulesC[1]), pos),
+		d = mesecon:is_power_on(mesecon:addPosRule(pos, rulesD[1]),
+			mesecon:invertRule(rulesD[1])) and
+			mesecon:rules_link(mesecon:addPosRule(pos, rulesD[1]), pos),
 	}
 	return L
 end