add energy values for moreswords mod

energy.lua

@@ -257,14 +257,24 @@ local energy_values = {
         chest = 2,
         chest_locked = 2,
     },
+    ["moreswords"] = {
+        sword_ice = 10,
+        sword_lava = 10,
+        sword_pick = 14,
+        sword_smoke = 14,
+        sword_teleport = 20,
+        sword_water = 5,
+    },
 }
 
 -- load energy values into known items
 for modname, itemlist in pairs(energy_values) do
+    if  minetest.get_modpath(modname) then
         for itemname, energy_value in pairs(itemlist) do
             minetest.override_item(modname..":"..itemname, {
                 description = minetest.registered_items[modname..":"..itemname].description.."\nEnergy Value: "..energy_value,
                 energy_value = energy_value,
             })
         end
+    end
 end

mod.conf

@@ -2,3 +2,4 @@ name = element_exchange
 description = Exchange nodes into other nodes
 min_minetest_version = 5.4
 depends=default
+optional_depends=moreswords