Dont drop items in creative mode when player already has it

init.lua

@@ -61,6 +61,10 @@ minetest.register_globalstep(function(dtime)
 end)
 
 function minetest.handle_node_drops(pos, drops, digger)
+	local inv
+	if minetest.setting_getbool("creative_mode") and digger and digger:is_player() then
+		inv = digger:get_inventory()
+	end
 	for _,item in ipairs(drops) do
 		local count, name
 		if type(item) == "string" then
@@ -70,6 +74,7 @@ function minetest.handle_node_drops(pos, drops, digger)
 			count = item:get_count()
 			name = item:get_name()
 		end
+		if not inv or not inv:contains_item("main", ItemStack(name)) then
 			for i=1,count do
 				local obj = minetest.env:add_item(pos, name)
 				if obj ~= nil then
@@ -94,6 +99,7 @@ function minetest.handle_node_drops(pos, drops, digger)
 			end
 		end
 	end
+end
 
 if minetest.setting_get("log_mods") then
 	minetest.log("action", "item_drop loaded")