Add partial rotation of levers

mods/ITEMS/REDSTONE/mesecons_walllever/init.lua

@@ -2,6 +2,30 @@ local S = minetest.get_translator("mesecons_wallever")
 
 local lever_get_output_rules = mesecon.rules.buttonlike_get
 
+local on_rotate = function(pos, node, user, mode)
+	if mode == screwdriver.ROTATE_FACE then
+		if node.param2 == 10 then
+			node.param2 = 13
+			minetest.swap_node(pos, node)
+			return true
+		elseif node.param2 == 13 then
+			node.param2 = 10
+			minetest.swap_node(pos, node)
+			return true
+		elseif node.param2 == 8 then
+			node.param2 = 15
+			minetest.swap_node(pos, node)
+			return true
+		elseif node.param2 == 15 then
+			node.param2 = 8
+			minetest.swap_node(pos, node)
+			return true
+		end
+	end
+	-- TODO: Rotate axis
+	return false
+end
+
 -- LEVER
 minetest.register_node("mesecons_walllever:wall_lever_off", {
 	drawtype = "mesh",
@@ -102,7 +126,7 @@ minetest.register_node("mesecons_walllever:wall_lever_off", {
 		rules = lever_get_output_rules,
 		state = mesecon.state.off
 	}},
-	on_rotate = false,
+	on_rotate = on_rotate,
 	_mcl_blast_resistance = 2.5,
 	_mcl_hardness = 0.5,
 })
@@ -136,7 +160,7 @@ minetest.register_node("mesecons_walllever:wall_lever_on", {
 		rules = lever_get_output_rules,
 		state = mesecon.state.on
 	}},
-	on_rotate = false,
+	on_rotate = on_rotate,
 	_mcl_blast_resistance = 2.5,
 	_mcl_hardness = 0.5,
 })