Use minetest.swap_node() instead of mesecons' version, Minor code changes

here and there to facilitate this.

mesecons/services.lua

@@ -10,7 +10,7 @@ mesecon.on_placenode = function (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))
+		minetest.swap_node(pos, {name = mesecon:get_conductor_off(node.name)})
 	elseif mesecon:is_effector_on (node.name) then
 		mesecon:deactivate(pos, node)
 	end

mesecons/util.lua

-function mesecon:swap_node(pos, name)
-	local node = minetest.env:get_node(pos)
-	local data = minetest.env:get_meta(pos):to_table()
-	node.name = name
-	minetest.env:add_node(pos, node)
-	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()

mesecons_blinkyplant/init.lua

@@ -62,7 +62,7 @@ minetest.register_node("mesecons_blinkyplant:blinky_plant_on", {
 		state = mesecon.state.on
 	}},
 	on_punch = function(pos, node, puncher)
-	mesecon:swap_node(pos, "mesecons_blinkyplant:blinky_plant")
+	minetest.swap_node(pos, {name = "mesecons_blinkyplant:blinky_plant"})
 	mesecon:receptor_off(pos)
 	end
 })

mesecons_button/init.lua

@@ -5,7 +5,7 @@
 mesecon.button_turnoff = function (pos)
 	local node = minetest.env:get_node(pos)
 	if node.name=="mesecons_button:button_on" then --has not been dug
-		mesecon:swap_node(pos, "mesecons_button:button_off")
+		minetest.swap_node(pos, {name = "mesecons_button:button_off", param2=node.param2})
 		minetest.sound_play("mesecons_button_pop", {pos=pos})
 		local rules = mesecon.rules.buttonlike_get(node)
 		mesecon:receptor_off(pos, rules)
@@ -41,7 +41,7 @@ minetest.register_node("mesecons_button:button_off", {
 	groups = {dig_immediate=2, mesecon_needs_receiver = 1},
 	description = "Button",
 	on_punch = function (pos, node)
-		mesecon:swap_node(pos, "mesecons_button:button_on")
+		minetest.swap_node(pos, {name = "mesecons_button:button_on", param2=node.param2})
 		mesecon:receptor_on(pos, mesecon.rules.buttonlike_get(node))
 		minetest.sound_play("mesecons_button_push", {pos=pos})
 		minetest.after(1, mesecon.button_turnoff, pos)

mesecons_commandblock/init.lua

@@ -144,7 +144,7 @@ local commandblock_action_on = function(pos, node)
 		return
 	end
 
-	mesecon:swap_node(pos, "mesecons_commandblock:commandblock_on")
+	minetest.swap_node(pos, {name = "mesecons_commandblock:commandblock_on"})
 
 	local meta = minetest.env:get_meta(pos)
 	local command = minetest.chatcommands[meta:get_string("command")]
@@ -166,7 +166,7 @@ end
 
 local commandblock_action_off = function(pos, node)
 	if node.name == "mesecons_commandblock:commandblock_on" then
-		mesecon:swap_node(pos, "mesecons_commandblock:commandblock_off")
+		minetest.swap_node(pos, {name = "mesecons_commandblock:commandblock_off"})
 	end
 end
 

mesecons_delayer/init.lua

@@ -30,14 +30,14 @@ 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.swap_node(pos, {name = def.delayer_onstate, param2=node.param2})
 	minetest.after(time, delayer_turnon , {pos = pos, node = node})
 end
 
 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.swap_node(pos, {name = def.delayer_offstate, param2=node.param2})
 	minetest.after(time, delayer_turnoff, {pos = pos, node = node})
 end
 
@@ -99,13 +99,13 @@ minetest.register_node("mesecons_delayer:delayer_off_"..tostring(i), {
 	drop = 'mesecons_delayer:delayer_off_1',
 	on_punch = function (pos, node)
 		if node.name=="mesecons_delayer:delayer_off_1" then
-			mesecon:swap_node(pos,"mesecons_delayer:delayer_off_2")
+			minetest.swap_node(pos, {name = "mesecons_delayer:delayer_off_2", param2=node.param2})
 		elseif node.name=="mesecons_delayer:delayer_off_2" then
-			mesecon:swap_node(pos,"mesecons_delayer:delayer_off_3")
+			minetest.swap_node(pos, {name = "mesecons_delayer:delayer_off_3", param2=node.param2})
 		elseif node.name=="mesecons_delayer:delayer_off_3" then
-			mesecon:swap_node(pos,"mesecons_delayer:delayer_off_4")
+			minetest.swap_node(pos, {name = "mesecons_delayer:delayer_off_4", param2=node.param2})
 		elseif node.name=="mesecons_delayer:delayer_off_4" then
-			mesecon:swap_node(pos,"mesecons_delayer:delayer_off_1")
+			minetest.swap_node(pos, {name = "mesecons_delayer:delayer_off_1", param2=node.param2})
 		end
 	end,
 	delayer_time = delaytime,
@@ -154,13 +154,13 @@ minetest.register_node("mesecons_delayer:delayer_on_"..tostring(i), {
 	drop = 'mesecons_delayer:delayer_off_1',
 	on_punch = function (pos, node)
 		if node.name=="mesecons_delayer:delayer_on_1" then
-			mesecon:swap_node(pos,"mesecons_delayer:delayer_on_2")
+			minetest.swap_node(pos, {name = "mesecons_delayer:delayer_on_2", param2=node.param2})
 		elseif node.name=="mesecons_delayer:delayer_on_2" then
-			mesecon:swap_node(pos,"mesecons_delayer:delayer_on_3")
+			minetest.swap_node(pos, {name = "mesecons_delayer:delayer_on_3", param2=node.param2})
 		elseif node.name=="mesecons_delayer:delayer_on_3" then
-			mesecon:swap_node(pos,"mesecons_delayer:delayer_on_4")
+			minetest.swap_node(pos, {name = "mesecons_delayer:delayer_on_4", param2=node.param2})
 		elseif node.name=="mesecons_delayer:delayer_on_4" then
-			mesecon:swap_node(pos,"mesecons_delayer:delayer_on_1")
+			minetest.swap_node(pos, {name = "mesecons_delayer:delayer_on_1", param2=node.param2})
 		end
 	end,
 	delayer_time = delaytime,

mesecons_detector/init.lua

@@ -88,7 +88,7 @@ minetest.register_abm(
 	chance = 1,
 	action = function(pos)
 		if object_detector_scan(pos) then
-			mesecon:swap_node(pos, "mesecons_detector:object_detector_on")
+			minetest.swap_node(pos, {name = "mesecons_detector:object_detector_on"})
 			mesecon:receptor_on(pos)
 		end
 	end,
@@ -100,7 +100,7 @@ minetest.register_abm(
 	chance = 1,
 	action = function(pos)
 		if not object_detector_scan(pos) then
-			mesecon:swap_node(pos, "mesecons_detector:object_detector_off")
+			minetest.swap_node(pos, {name = "mesecons_detector:object_detector_off"})
 			mesecon:receptor_off(pos)
 		end
 	end,

mesecons_gates/init.lua

@@ -51,14 +51,15 @@ function set_gate(pos, on)
 		if yc_overheat(meta) then
 			pop_gate(pos)
 		else
+			local node = minetest.get_node(pos)
 			if on then
-				mesecon:swap_node(pos, "mesecons_gates:"..gate.."_on")
+				minetest.swap_node(pos, {name = "mesecons_gates:"..gate.."_on", param2=node.param2})
 				mesecon:receptor_on(pos,
-				gate_get_output_rules(minetest.env:get_node(pos)))
+				gate_get_output_rules(node))
 			else
-				mesecon:swap_node(pos, "mesecons_gates:"..gate.."_off")
+				minetest.swap_node(pos, {name = "mesecons_gates:"..gate.."_off", param2=node.param2})
 				mesecon:receptor_off(pos,
-				gate_get_output_rules(minetest.env:get_node(pos)))
+				gate_get_output_rules(node))
 			end
 		end
 	end

mesecons_lamp/init.lua

@@ -25,7 +25,7 @@ minetest.register_node("mesecons_lamp:lamp_on", {
 	sounds = default.node_sound_glass_defaults(),
 	mesecons = {effector = {
 		action_off = function (pos, node)
-			mesecon:swap_node(pos, "mesecons_lamp:lamp_off")
+			minetest.swap_node(pos, {name = "mesecons_lamp:lamp_off", param2 = node.param2})
 		end
 	}}
 })
@@ -46,7 +46,7 @@ minetest.register_node("mesecons_lamp:lamp_off", {
 	sounds = default.node_sound_glass_defaults(),
 	mesecons = {effector = {
 		action_on = function (pos, node)
-			mesecon:swap_node(pos, "mesecons_lamp:lamp_on")
+			minetest.swap_node(pos, {name = "mesecons_lamp:lamp_on", param2 = node.param2})
 		end
 	}}
 })

mesecons_lightstone/init.lua

@@ -6,7 +6,7 @@ function mesecon:lightstone_add(name, base_item, texture_off, texture_on)
 	sounds = default.node_sound_stone_defaults(),
 	mesecons = {effector = {
 		action_on = function (pos, node)
-			mesecon:swap_node(pos, "mesecons_lightstone:lightstone_" .. name .. "_on")
+			minetest.swap_node(pos, {name = "mesecons_lightstone:lightstone_" .. name .. "_on", param2 = node.param2})
 		end
 	}}
     })
@@ -18,7 +18,7 @@ function mesecon:lightstone_add(name, base_item, texture_off, texture_on)
 	sounds = default.node_sound_stone_defaults(),
 	mesecons = {effector = {
 		action_off = function (pos, node)
-			mesecon:swap_node(pos, "mesecons_lightstone:lightstone_" .. name .. "_off")
+			minetest.swap_node(pos, {name = "mesecons_lightstone:lightstone_" .. name .. "_off", param2 = node.param2})
 		end
 	}}
 	})

mesecons_luacontroller/init.lua

@@ -72,7 +72,8 @@ local setport = function (pos, rule, state)
 end
 
 local action = function (pos, ports)
-	local name = minetest.env:get_node(pos).name
+	local node = minetest.get_node(pos)
+	local name = node.name
 	local vports = minetest.registered_nodes[name].virtual_portstates
 	local newname = generate_name(ports)
 
@@ -80,7 +81,7 @@ local action = function (pos, ports)
 		local rules_on  = {}
 		local rules_off = {}
 
-		mesecon:swap_node(pos, newname)
+		minetest.swap_node(pos, {name = newname, param2 = node.param2})
 
 		if ports.a ~= vports.a then setport(pos, rules.a, ports.a) end
 		if ports.b ~= vports.b then setport(pos, rules.b, ports.b) end
@@ -285,7 +286,8 @@ local do_overheat = function (pos, meta)
 	heat(meta)
 	--minetest.after(0.5, cool, meta)
 	if overheat(meta) then
-		mesecon:swap_node(pos, BASENAME.."_burnt")
+		local node = minetest.get_node(pos)
+		minetest.swap_node(pos, {name = BASENAME.."_burnt", param2 = node.param2})
 		minetest.env:get_meta(pos):set_string("lc_interrupts", "")
 		minetest.after(0.2, overheat_off, pos) -- wait for pending operations
 		return true

mesecons_microcontroller/init.lua

@@ -590,7 +590,8 @@ function yc_action(pos, L) --L-->Lvirtual
 		..tonumber(L.c and 1 or 0)
 		..tonumber(L.b and 1 or 0)
 		..tonumber(L.a and 1 or 0)
-	mesecon:swap_node(pos, name)
+	local node = minetest.get_node(pos)
+	minetest.swap_node(pos, {name = name, param2 = node.param2})
 
 	yc_action_setports(pos, L, Lv)
 end

mesecons_switch/init.lua

@@ -10,7 +10,7 @@ minetest.register_node("mesecons_switch:mesecon_switch_off", {
 		state = mesecon.state.off
 	}},
 	on_punch = function(pos, node)
-		mesecon:swap_node(pos, "mesecons_switch:mesecon_switch_on")
+		minetest.swap_node(pos, {name = "mesecons_switch:mesecon_switch_on", param2 = node.param2})
 		mesecon:receptor_on(pos)
 		minetest.sound_play("mesecons_switch", {pos=pos})
 	end
@@ -26,7 +26,7 @@ minetest.register_node("mesecons_switch:mesecon_switch_on", {
 		state = mesecon.state.on
 	}},
 	on_punch = function(pos, node)
-		mesecon:swap_node(pos, "mesecons_switch:mesecon_switch_off")
+		minetest.swap_node(pos, {name = "mesecons_switch:mesecon_switch_off", param2 = node.param2})
 		mesecon:receptor_off(pos)
 		minetest.sound_play("mesecons_switch", {pos=pos})
 	end

mesecons_torch/init.lua

@@ -99,11 +99,11 @@ minetest.register_abm({
 
 		if is_powered then
 			if node.name == "mesecons_torch:mesecon_torch_on" then
-				mesecon:swap_node(pos, "mesecons_torch:mesecon_torch_off")
+				minetest.swap_node(pos, {name = "mesecons_torch:mesecon_torch_off", param2 = node.param2})
 				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")
+			minetest.swap_node(pos, {name = "mesecons_torch:mesecon_torch_on", param2 = node.param2})
 			mesecon:receptor_on(pos, torch_get_output_rules(node))
 		end
 	end

mesecons_walllever/init.lua

@@ -32,7 +32,7 @@ minetest.register_node("mesecons_walllever:wall_lever_off", {
 	groups = {dig_immediate=2, mesecon_needs_receiver = 1},
 	description="Lever",
 	on_punch = function (pos, node)
-		mesecon:swap_node(pos, "mesecons_walllever:wall_lever_on")
+		minetest.swap_node(pos, {name = "mesecons_walllever:wall_lever_on", param2 = node.param2})
 		mesecon:receptor_on(pos, mesecon.rules.buttonlike_get(node))
 		minetest.sound_play("mesecons_lever", {pos=pos})
 	end,
@@ -74,7 +74,7 @@ minetest.register_node("mesecons_walllever:wall_lever_on", {
 	drop = "mesecons_walllever:wall_lever_off 1",
 	description="Lever",
 	on_punch = function (pos, node)
-		mesecon:swap_node(pos, "mesecons_walllever:wall_lever_off")
+		minetest.swap_node(pos, {name = "mesecons_walllever:wall_lever_off", param2 = node.param2})
 		mesecon:receptor_off(pos, mesecon.rules.buttonlike_get(node))
 		minetest.sound_play("mesecons_lever", {pos=pos})
 	end,