Learning structure of inventory. Start work.

inventory/init.lua

@@ -1 +1,16 @@
+minetest.register_chatcommand("inv_test", {
+    func = function()
+        -- Called when command is run.
+        -- Returns boolean success and text output.
+        local inv = minetest.get_inventory({type = "player", name = "singleplayer"})
+        print(dump(inv:get_lists()))
+    end
+})
 
+minetest.register_on_joinplayer(function(player)
+    local invref = player:get_inventory()
+    -- Something wrong
+    -- invref:set_lists({wear, main})
+    --
+    -- TODO: Set size and formspec
+end)