Adjust recipe for reservoirs to differentiate it more from fillers/emptiers

item/craft_item.lua

@@ -58,6 +58,12 @@ items[L("wireless_crystal")] = {
   stack_max = logistica.stack_max,
 }
 
+items[L("compression_tank")] = {
+  description = S("Compression Tank\nStores liquids at high pressure. Used for making Reservoirs."),
+  inventory_image = "logistica_compression_tank.png",
+  stack_max = logistica.stack_max,
+}
+
 for name, info in pairs(items) do
   minetest.register_craftitem(name, {
     description = info.description,

registration/item_recipes.lua

@@ -117,3 +117,12 @@ minetest.register_craft({
     {L("silverin_slice"),    L("silverin_circuit"), L("silverin_slice")},
   }
 })
+
+minetest.register_craft({
+  output = L("compression_tank 2"),
+  recipe = {
+    {"",                  L("silverin_plate"), ""},
+    {L("silverin_plate"), "",                  L("silverin_plate")},
+    {"",                  L("silverin_plate"), ""},
+  }
+})

registration/node_recipes.lua

@@ -152,18 +152,18 @@ minetest.register_craft({
 minetest.register_craft({
   output = L("reservoir_silverin_empty"),
   recipe = {
-    {L("silverin_plate"), "",                       L("silverin_plate")},
-    {L("optic_cable"),    itemstrings.empty_bucket, L("photonizer")},
-    {L("silverin_plate"), "",                       L("silverin_plate")},
+    {L("silverin_plate"), "",                    L("silverin_plate")},
+    {L("optic_cable"),    L("compression_tank"), L("photonizer")},
+    {L("silverin_plate"), "",                    L("silverin_plate")},
   }
 })
 
 minetest.register_craft({
   output = L("reservoir_obsidian_empty"),
   recipe = {
-    {itemstrings.obsidian, L("silverin_plate"),      itemstrings.obsidian},
-    {L("optic_cable"),     itemstrings.empty_bucket, L("photonizer")},
-    {itemstrings.obsidian, L("silverin_plate"),      itemstrings.obsidian},
+    {itemstrings.obsidian, L("silverin_plate"),   itemstrings.obsidian},
+    {L("optic_cable"),     L("compression_tank"), L("photonizer")},
+    {itemstrings.obsidian, L("silverin_plate"),   itemstrings.obsidian},
   }
 })