Add milking sound for cow and mooshrom

mods/ENTITIES/mobs_mc/LICENSE-media.md

@@ -105,6 +105,14 @@ Origin of those models:
     * `mobs_mc_cow_hurt.ogg` (CC0)
         * Heavily modified
         * Source: <https://freesound.org/people/Bird_man/packs/16972/>
+* [Klaraschick](https://freesound.org/people/Klaraschick/)
+    * `mobs_mc_cow_milk.ogg` (CC0)
+        * shortened
+        * Source: <https://freesound.org/people/Klaraschick/sounds/415312/>
+* [Hitrison](https://freesound.org/people/Hitrison/)
+    * `mobs_mc_cow_mushroom_stew.ogg` (CC BY 3.0)
+        * sound was modified
+        * Source: <https://freesound.org/people/Hitrison/sounds/251411/>
 * [NPXcoot](https://github.com/NPXcoot1) (CC BY-SA 4.0)
     * `mobs_mc_ender_dragon_*`
 * Blender Foundation (CC BY 3.0)

mods/ENTITIES/mobs_mc/cow+mooshroom.lua

@@ -54,6 +54,7 @@ local cow_def = {
 		if item:get_name() == mobs_mc.items.bucket and clicker:get_inventory() then
 			local inv = clicker:get_inventory()
 			inv:remove_item("main", mobs_mc.items.bucket)
+			minetest.sound_play("mobs_mc_cow_milk", {pos=self.object:get_pos(), gain=0.6})
 			-- if room add bucket of milk to inventory, otherwise drop as item
 			if inv:room_for_item("main", {name=mobs_mc.items.milk}) then
 				clicker:get_inventory():add_item("main", mobs_mc.items.milk)
@@ -110,6 +111,7 @@ mooshroom_def.on_rightclick = function(self, clicker)
 	elseif item:get_name() == mobs_mc.items.bucket and clicker:get_inventory() then
 		local inv = clicker:get_inventory()
 		inv:remove_item("main", mobs_mc.items.bucket)
+		minetest.sound_play("mobs_mc_cow_milk", {pos=self.object:get_pos(), gain=0.6})
 		-- If room, add milk to inventory, otherwise drop as item
 		if inv:room_for_item("main", {name=mobs_mc.items.milk}) then
 			clicker:get_inventory():add_item("main", mobs_mc.items.milk)
@@ -122,6 +124,7 @@ mooshroom_def.on_rightclick = function(self, clicker)
 	elseif item:get_name() == mobs_mc.items.bowl and clicker:get_inventory() then
 		local inv = clicker:get_inventory()
 		inv:remove_item("main", mobs_mc.items.bowl)
+		minetest.sound_play("mobs_mc_cow_mushroom_stew", {pos=self.object:get_pos(), gain=0.6})
 		-- If room, add mushroom stew to inventory, otherwise drop as item
 		if inv:room_for_item("main", {name=mobs_mc.items.mushroom_stew}) then
 			clicker:get_inventory():add_item("main", mobs_mc.items.mushroom_stew)