Fix redstone torch state with block above

GROUPS.md

@@ -154,6 +154,8 @@ These groups are used mostly for informational purposes
 * `pressure_plate=2`: Wooden pressure (on)
 * `button=1`: Button (off)
 * `button=2`: Button (on)
+* `redstone_torch=1`: Redstone Torch (lit)
+* `redstone_torch=2`: Redstone Torch (unlit)
 
 * `plant=1`: Plant or part of a plant
 * `double_plant`: Part of a double-sized plant. 1 = lower part, 2 = upper part

mods/ITEMS/REDSTONE/mesecons/services.lua

@@ -60,7 +60,8 @@ mesecon.on_placenode = function(pos, node)
 				local nnode = minetest.get_node(npos)
 				if mesecon.is_conductor_off(nnode) then
 					mesecon.receptor_on(npos, mesecon.conductor_get_rules(nnode))
-				elseif mesecon.is_effector_off(nnode.name) then
+				-- Redstone torch is a special case and must be ignored
+				elseif mesecon.is_effector_on(nnode.name) and minetest.get_item_group(nnode.name, "redstone_torch") == 0 then
 					mesecon.changesignal(npos, nnode, neighbors[n].link, mesecon.state.on, 1)
 					mesecon.activate(npos, nnode, neighbors[n].link, 1)
 				end
@@ -84,7 +85,8 @@ mesecon.on_dignode = function(pos, node)
 			local nnode = minetest.get_node(npos)
 			if mesecon.is_conductor_on(nnode) then
 				mesecon.receptor_off(npos, mesecon.conductor_get_rules(nnode))
-			elseif mesecon.is_effector_on(nnode.name) and mesecon.is_powered(npos) == false then
+			-- Redstone torch is a special case and must be ignored
+			elseif mesecon.is_effector_on(nnode.name) and mesecon.is_powered(npos) == false and minetest.get_item_group(nnode.name, "redstone_torch") == 0 then
 				mesecon.changesignal(npos, nnode, nlink, mesecon.state.off, 1)
 				mesecon.deactivate(npos, nnode, nlink, 1)
 			end

mods/ITEMS/REDSTONE/mesecons_torch/init.lua

@@ -79,7 +79,7 @@ mcl_torches.register_torch("mesecon_torch_off", "Redstone Torch (off)",
 	"mcl_torches_torch_floor.obj", "mcl_torches_torch_wall.obj",
 	{"jeija_torches_off.png"},
 	0,
-	{dig_immediate=3, dig_by_water=1, not_in_creative_inventory=1},
+	{dig_immediate=3, dig_by_water=1, redstone_torch=2, not_in_creative_inventory=1},
 	mcl_sounds.node_sound_wood_defaults(),
 	{
 		mesecons = {
@@ -109,7 +109,7 @@ mcl_torches.register_torch("mesecon_torch_on", "Redstone Torch",
 	"mcl_torches_torch_floor.obj", "mcl_torches_torch_wall.obj",
 	{"jeija_torches_on.png"},
 	7,
-	{dig_immediate=3, dig_by_water=1,},
+	{dig_immediate=3, dig_by_water=1, redstone_torch=1},
 	mcl_sounds.node_sound_wood_defaults(),
 	{
 		mesecons = {