6 files changed, 36 insertions, 9 deletions

diff --git a/mesecons/init.lua b/mesecons/init.lua
index 3ab4f4a..6b36e69 100644
--- a/mesecons/init.lua
+++ b/mesecons/init.lua
@@ -132,8 +132,5 @@ print("[OK] Mesecons")
 -- To be removed in future releases
 dofile(minetest.get_modpath("mesecons").."/legacy.lua");
 
---The actual wires
-dofile(minetest.get_modpath("mesecons").."/wires.lua");
-
 --Services like turnoff receptor on dignode and so on
 dofile(minetest.get_modpath("mesecons").."/services.lua");
diff --git a/mesecons/services.lua b/mesecons/services.lua
index 343410a..1abbc0c 100644
--- a/mesecons/services.lua
+++ b/mesecons/services.lua
@@ -1,7 +1,7 @@
 -- Dig and place services
 
-mesecon.on_placenode = function (pos, node)
-	mesecon.update_autoconnect(pos, node)
+mesecon.on_placenode = function(pos, node)
+	mesecon.execute_autoconnect_hooks_now(pos, node)
 
 	-- Receptors: Send on signal when active
 	if mesecon.is_receptor_on(node.name) then
@@ -52,16 +52,15 @@ mesecon.on_placenode = function (pos, node)
 	end
 end
 
-mesecon.on_dignode = function (pos, node)
+mesecon.on_dignode = function(pos, node)
 	if mesecon.is_conductor_on(node) then
 		mesecon.receptor_off(pos, mesecon.conductor_get_rules(node))
 	elseif mesecon.is_receptor_on(node.name) then
 		mesecon.receptor_off(pos, mesecon.receptor_get_rules(node))
 	end
-	mesecon.queue:add_action(pos, "update_autoconnect", {node})
-end
 
-mesecon.queue:add_function("update_autoconnect", mesecon.update_autoconnect)
+	mesecon.execute_autoconnect_hooks_queue(pos, node)
+end
 
 minetest.register_on_placenode(mesecon.on_placenode)
 minetest.register_on_dignode(mesecon.on_dignode)
diff --git a/mesecons/textures/jeija_close_window.png b/mesecons/textures/jeija_close_window.png
new file mode 100644
index 0000000..5c27c6c
--- /dev/null
+++ b/mesecons/textures/jeija_close_window.png
diff --git a/mesecons/textures/jeija_microcontroller_bottom.png b/mesecons/textures/jeija_microcontroller_bottom.png
new file mode 100644
index 0000000..3a9161e
--- /dev/null
+++ b/mesecons/textures/jeija_microcontroller_bottom.png
diff --git a/mesecons/textures/jeija_microcontroller_sides.png b/mesecons/textures/jeija_microcontroller_sides.png
new file mode 100644
index 0000000..b367644
--- /dev/null
+++ b/mesecons/textures/jeija_microcontroller_sides.png
diff --git a/mesecons/util.lua b/mesecons/util.lua
index 3827dce..d95f216 100644
--- a/mesecons/util.lua
+++ b/mesecons/util.lua
@@ -273,3 +273,34 @@ mesecon.forceloaded_blocks = mesecon.file2table("mesecon_forceloaded")
 minetest.register_on_shutdown(function()
 	mesecon.table2file("mesecon_forceloaded", mesecon.forceloaded_blocks)
 end)
+
+-- Autoconnect Hooks
+-- Nodes like conductors may change their appearance and their connection rules
+-- right after being placed or after being dug, e.g. the default wires use this
+-- to automatically connect to linking nodes after placement.
+-- After placement, the update function will be executed immediately so that the
+-- possibly changed rules can be taken into account when recalculating the circuit.
+-- After digging, the update function will be queued and executed after
+-- recalculating the circuit. The update function must take care of updating the
+-- node at the given position itself, but also all of the other nodes the given
+-- position may have (had) a linking connection to.
+mesecon.autoconnect_hooks = {}
+
+-- name: A unique name for the hook, e.g. "foowire". Used to name the actionqueue function.
+-- fct: The update function with parameters function(pos, node)
+function mesecon.register_autoconnect_hook(name, fct)
+	mesecon.autoconnect_hooks[name] = fct
+	mesecon.queue:add_function("autoconnect_hook_"..name, fct)
+end
+
+function mesecon.execute_autoconnect_hooks_now(pos, node)
+	for _, fct in pairs(mesecon.autoconnect_hooks) do
+		fct(pos, node)
+	end
+end
+
+function mesecon.execute_autoconnect_hooks_queue(pos, node)
+	for name in pairs(mesecon.autoconnect_hooks) do
+		mesecon.queue:add_action(pos, "autoconnect_hook_"..name, {node})
+	end
+end