Adds new sounds to buckling, helmet and closets (#8188)

Also tweaks the coffee machine vending sound.

code/game/objects/structures/crates_lockers/closets.dm

@@ -16,8 +16,8 @@
 	var/storage_capacity = 40 //Tying this to mob sizes was dumb
 	//This is so that someone can't pack hundreds of items in a locker/crate
 							  //then open it in a populated area to crash clients.
-	var/open_sound = 'sound/effects/locker_open.ogg'
-	var/close_sound = 'sound/effects/locker_close.ogg'
+	var/open_sound = 'sound/effects/closet_open.ogg'
+	var/close_sound = 'sound/effects/closet_close.ogg'
 
 	var/store_misc = 1
 	var/store_items = 1
@@ -114,7 +114,7 @@
 
 	icon_state = icon_opened
 	opened = 1
-	playsound(loc, open_sound, 15, 1, -3)
+	playsound(loc, open_sound, 25, 0, -3)
 	density = 0
 	return 1
 

code/game/objects/structures/stool_bed_chair_nest/bed.dm

@@ -22,6 +22,7 @@
 	var/can_dismantle = 1
 	gfi_layer_rotation = GFI_ROTATION_DEFDIR
 	var/apply_material_color = TRUE
+	var/buckle_sound = 'sound/effects/buckle.ogg'
 
 /obj/structure/bed/Initialize(mapload, var/new_material, var/new_padding_material)
 	. = ..()
@@ -39,6 +40,11 @@
 /obj/structure/bed/get_material()
 	return material
 
+/obj/structure/bed/buckle_mob(mob/living/M)
+	. = ..()
+	if(. && buckle_sound)
+		playsound(src, buckle_sound, 20)
+
 // Reuse the cache/code from stools, todo maybe unify.
 /obj/structure/bed/update_icon()
 	// Prep icon.