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code/modules/surgery/surgery_step.dm

@@ -9,6 +9,9 @@
 	var/list/chems_needed = list()  //list of chems needed to complete the step. Even on success, the step will have no effect if there aren't the chems required in the mob.
 	var/require_all_chems = TRUE    //any on the list or all on the list?
 	var/silicons_obey_prob = FALSE
+	var/preop_sound //Sound played when the step is started
+	var/success_sound //Sound played if the step succeeded
+	var/failure_sound //Sound played if the step fails
 
 /datum/surgery_step/proc/try_op(mob/user, mob/living/target, target_zone, obj/item/tool, datum/surgery/surgery, try_to_fail = FALSE)
 	var/success = FALSE
@@ -56,6 +59,9 @@
 	if(preop(user, target, target_zone, tool, surgery) == -1)
 		surgery.step_in_progress = FALSE
 		return FALSE
+
+	play_preop_sound(user, target, target_zone, tool, surgery) // Here because most steps overwrite preop
+
 	if(tool)
 		speed_mod = tool.toolspeed //faster tools mean faster surgeries, but also less experience.
 	if(user.mind)
@@ -69,6 +75,7 @@
 
 		if((prob(prob_chance) || (iscyborg(user) && !silicons_obey_prob)) && chem_check(target) && !try_to_fail)
 			if(success(user, target, target_zone, tool, surgery))
+				play_success_sound(user, target, target_zone, tool, surgery)
 				var/multi = (delay/SKILL_GAIN_DELAY_DIVISOR)
 				if(repeatable)
 					multi *= 0.5 //Spammable surgeries award less experience.
@@ -76,6 +83,7 @@
 				advance = TRUE
 		else
 			if(failure(user, target, target_zone, tool, surgery))
+				play_failure_sound(user, target, target_zone, tool, surgery)
 				advance = TRUE
 		if(advance && !repeatable)
 			surgery.status++
@@ -98,18 +106,33 @@
 		"[user] begins to perform surgery on [target].",
 		"[user] begins to perform surgery on [target].")
 
+/datum/surgery_step/proc/play_preop_sound(mob/user, mob/living/carbon/target, target_zone, obj/item/tool, datum/surgery/surgery)
+	if(!preop_sound)
+		return
+	playsound(get_turf(target), preop_sound, 75, TRUE, falloff_exponent = 12, falloff_distance = 1)
+
 /datum/surgery_step/proc/success(mob/user, mob/living/target, target_zone, obj/item/tool, datum/surgery/surgery)
 	display_results(user, target, "<span class='notice'>You succeed.</span>",
 		"[user] succeeds!",
 		"[user] finishes.")
 	return TRUE
 
+/datum/surgery_step/proc/play_success_sound(mob/user, mob/living/carbon/target, target_zone, obj/item/tool, datum/surgery/surgery)
+	if(!success_sound)
+		return
+	playsound(get_turf(target), success_sound, 75, TRUE, falloff_exponent = 12, falloff_distance = 1)
+
 /datum/surgery_step/proc/failure(mob/user, mob/living/target, target_zone, obj/item/tool, datum/surgery/surgery)
 	display_results(user, target, "<span class='warning'>You screw up!</span>",
 		"<span class='warning'>[user] screws up!</span>",
 		"[user] finishes.", TRUE) //By default the patient will notice if the wrong thing has been cut
 	return FALSE
 
+/datum/surgery_step/proc/play_failure_sound(mob/user, mob/living/carbon/target, target_zone, obj/item/tool, datum/surgery/surgery)
+	if(!failure_sound)
+		return
+	playsound(get_turf(target), failure_sound, 75, TRUE, falloff_exponent = 12, falloff_distance = 1)
+
 /datum/surgery_step/proc/tool_check(mob/user, obj/item/tool)
 	return TRUE