Add Wither spawn sound

mods/ENTITIES/mobs_mc/LICENSE-media.md

@@ -115,6 +115,9 @@ Origin of those models:
         * Source: <https://freesound.org/people/Hitrison/sounds/251411/>
 * [NPXcoot](https://github.com/NPXcoot1) (CC BY-SA 4.0)
     * `mobs_mc_ender_dragon_*`
+* [bevibeldesign](https://freesound.org/people/bevibeldesign/)
+    * `mobs_mc_wither_spawn.ogg` (CC0)
+        * Source: <https://freesound.org/people/bevibeldesign/sounds/366095/>
 * Blender Foundation (CC BY 3.0)
     * `mobs_sheep.ogg`,
 * daufinsyd (MIT License)

mods/ENTITIES/mobs_mc/wither.lua

@@ -63,6 +63,9 @@ mobs:register_mob("mobs_mc:wither", {
 		run_start = 0,		run_end = 20,
 	},
 	harmed_by_heal = true,
+	on_spawn = function(self)
+		minetest.sound_play("mobs_mc_wither_spawn", {object=self.object, gain=1.0, max_hear_distance=64})
+	end,
 })
 
 local mobs_griefing = minetest.settings:get_bool("mobs_griefing") ~= false