large_items/init.lua

minetest.registered_entities["__builtin:item"].set_item = function(self, item)
		local stack = ItemStack(item or self.itemstring)
		self.itemstring = stack:to_string()
		if self.itemstring == "" then
			-- item not yet known
			return
		end

		-- Backwards compatibility: old clients use the texture
		-- to get the type of the item
		local itemname = stack:is_known() and stack:get_name() or "unknown"

		local max_count = stack:get_stack_max()
		local count = math.min(stack:get_count(), max_count)
		local size = .5 + 0.1 * (count / max_count) ^ (1 / 3)
		local def = core.registered_items[itemname]
		local glow = def and def.light_source and
			math.floor(def.light_source / 2 + 0.5)

		local size_bias = 1e-3 * math.random() -- small random bias to counter Z-fighting
		local c = {-size, -size, -size, size, size, size}
		self.object:set_properties({
            collide_with_objects = true,
			is_visible = true,
			visual = "wielditem",
			textures = {itemname},
			visual_size = {x = size + size_bias, y = size + size_bias},
			collisionbox = c,
			wield_item = self.itemstring,
			glow = glow,
		})
        self.object:set_yaw(math.random(1,6.2))
		-- cache for usage in on_step
		self._collisionbox = c
	end