[drawers] support more info for single drawer cabinets

.luacheckrc

@@ -7,6 +7,7 @@ globals = {
 
 read_globals = {
 	"core",
+	math = { fields = { "round" } },
 	"table.copy",
 	"table.indexof",
 	"minetest",

nodes/drawers.lua

@@ -3,6 +3,21 @@
 
 local INT, STRING = wrench.META_TYPE_INT, wrench.META_TYPE_STRING
 
+local function description(pos, meta, node, player)
+	local item_name = meta:get_string("name")
+	-- Ignore cabinets with multiple drawers and empty ones.
+	if item_name == "" then
+		return wrench.description_with_items(pos, meta, node, player)
+	end
+
+	local item_desc = ItemStack(item_name):get_short_description()
+	local count = meta:get_int("count")
+	if 1000 <= count then
+		count = math.round(count * .001) .. "k"
+	end
+	return count .. " " .. item_desc
+end
+
 -- Assemble definitions for drawer type 1, 2 and 4
 for _, drawer_type in ipairs({1, 2, 4}) do
 
@@ -11,7 +26,8 @@ for _, drawer_type in ipairs({1, 2, 4}) do
 		metas = {
 			formspec = wrench.META_TYPE_IGNORE,
 		},
-		after_place = drawers.spawn_visuals
+		after_place = drawers.spawn_visuals,
+		description = description,
 	}
 
 	for i=1, drawer_type do