add wool sound

nodes.lua

@@ -392,3 +392,22 @@ minetest.register_entity("illuna:rulehint", {
     physical = false,
     textures = {"illuna_rulehint.png"},
 })
+
+function illuna.node_sound_wool(table)
+    table = table or {}
+    table.footstep = table.footstep or
+    {name = "wool", gain = 1.0}
+    table.dug = table.dug or
+    {name = "default_dug_node", gain = 0.25}
+    table.place = table.place or
+    {name = "default_place_node_hard", gain = 1.0}
+    return table
+end
+local name = {"red", "green", "white", "black", "blue", "brown", "cyan",
+		"grey", "dark_green", "dark_grey", "magenta", "orange", "pink",
+		"red", "violet", "yellow"}
+
+for i = 1, 16 do
+	local name = name[i]
+    minetest.override_item("wool:"..name, {sounds = illuna.node_sound_wool()})
+end