Bypass diagonal vectors and avoid determinating face by fine_pointed

technic/machines/register/cables.lua

@@ -96,32 +96,20 @@ function technic.register_cable_plate(nodename, data)
 		def.node_box["connect_"..notconnects[i]] = nil
 		if i == 1 then
 			def.on_place = function(itemstack, placer, pointed_thing)
-				local pointed_thing_diff = vector.direction(pointed_thing.under, pointed_thing.above)
-				local index = pointed_thing_diff.x + (pointed_thing_diff.y*2) + (pointed_thing_diff.z*3)
-				local num = index < 0 and -index + 3 or index
-				local crtl = placer:get_player_control()
-				if (crtl.aux1 or crtl.sneak) and not (crtl.aux1 and crtl.sneak) and index ~= 0 then
-					local fine_pointed = minetest.pointed_thing_to_face_pos(placer, pointed_thing)
-					fine_pointed = vector.direction(pointed_thing.above,fine_pointed)
-					fine_pointed[xyz[index < 0 and -index or index]] = nil
-					local key_a, a = next(fine_pointed)
-					local key_b, b = next(fine_pointed, key_a)
-					local far_key = math.abs(a) > math.abs(b) and key_a or key_b
-					local far = fine_pointed[far_key]
-					-- Plate facing
-					-- X pair floor +X 4 -X 1 -> Z pair, Y pair
-					-- Y pair floor +Y 5 -Y 2 -> X pair, Z pair
-					-- Z pair floor +Z 6 -Z 3 -> X pair, Y pair
-					if math.abs(far) < 0.3 then
-						num = num < 4 and num + 3 or num - 3
-					elseif far_key == "x" then
-						num = far < 0 and 1 or 4
-					elseif far_key == "y" then
-						num = far < 0 and 2 or 5
-					else
-						num = far < 0 and 3 or 6
+				-- temporary bypass for "diagonal" above/under vectors (caused by oversized nodes)
+				-- see github.com/mt-mods/technic/pull/358
+				local axis_count = 0
+				for axis in pairs(xyz) do
+					axis_count = axis_count + (pointed_thing.under[axis] == pointed_thing.above[axis] and 0 or 1)
+					if axis_count > 1 then
+						return itemstack
 					end
 				end
+
+				local pointed_thing_diff = vector.direction(pointed_thing.above, pointed_thing.under)
+				local dir = math.abs(pointed_thing_diff.x + 2*pointed_thing_diff.y + 3*pointed_thing_diff.z) -- 1, 2 or 3
+				local num = dir + 3/2*(1+pointed_thing_diff[dir]) -- dir + additional offset
+
 				local node = {name = nodename.."_"..(num ~= 0 and num or 1)}
 				return item_place_override_node(itemstack, placer, pointed_thing, node)
 			end