Totally rework how bags work + other cool stuff

src/detached_inv.lua

@@ -0,0 +1,32 @@
+local fmt, play_sound, create_inventory = i3.get("fmt", "play_sound", "create_inventory")
+
+local trash = create_inventory("i3_trash", {
+	allow_put = function(_, _, _, stack)
+		return stack:get_count()
+	end,
+
+	on_put = function(inv, listname, _, _, player)
+		inv:set_list(listname, {})
+
+		local name = player:get_player_name()
+		play_sound(name, "i3_trash", 1.0)
+
+		if not core.is_creative_enabled(name) then
+			i3.set_fs(player)
+		end
+	end,
+})
+
+trash:set_size("main", 1)
+
+local function init_inventories(player)
+	local name = player:get_player_name()
+
+	local output_rcp = create_inventory(fmt("i3_output_rcp_%s", name), {}, name)
+	output_rcp:set_size("main", 1)
+
+	local output_usg = create_inventory(fmt("i3_output_usg_%s", name), {}, name)
+	output_usg:set_size("main", 1)
+end
+
+return init_inventories