.

exp_legacy/module/config/nukeprotect.lua

@@ -27,8 +27,4 @@ return {
     },
     ignore_permisison = "bypass-nukeprotect", -- @setting ignore_permisison The permission that nukeprotect will ignore
     ignore_admins = true, -- @setting ignore_admins Ignore admins, true by default. Allows usage outside of the roles module
-    disable_nuke_research = false, -- @setting disable_nuke_research Disable the nuke research, true by default
-    disable_nuke_research_names = {
-        ["atomic-bomb"] = true,
-    }, -- @setting disable_nuke_research_names The names of the researches to disabled
 }

exp_legacy/module/config/research.lua

@@ -159,4 +159,13 @@ return {
             ["follower-robot-count-5"] = 5,
         }
     },
+    -- prevent research up to a certain level
+    limit_res = {
+        -- Artillery Range
+        ["artillery-shell-range-1"] = 7,
+        -- Artillery Speed
+        ["artillery-shell-speed-1"] = 7,
+        -- Atomic Bomb
+        -- ["atomic-bomb"] = 1
+    },
 }

exp_legacy/module/modules/addons/nukeprotect.lua

@@ -43,12 +43,3 @@ for _, inventory in ipairs(config.inventories) do
         end)
     end
 end
-
-if config.disable_nuke_research then
-    Event.add(defines.events.on_research_started, function(event)
-        local name = event.research.name
-        if config.disable_nuke_research_names[name] then
-            event.research.force.cancel_current_research()
-        end
-    end)
-end

exp_legacy/module/modules/gui/research.lua

@@ -309,6 +309,15 @@ Event.add(defines.events.on_research_finished, function(event)
     end
 end)
 
+Event.add(defines.events.on_research_started, function(event)
+    local r = event.research
+    local res_name = config.limit_res[r.name]
+
+    if res_name and r.level > res_name then
+        table.remove(r.force.research_queue)
+    end
+end)
+
 Event.on_nth_tick(60, function()
     local current_time = research_time_format(game.tick)