Index: ps/trunk/binaries/data/mods/public/simulation/components/Attack.js
===================================================================
--- ps/trunk/binaries/data/mods/public/simulation/components/Attack.js
+++ ps/trunk/binaries/data/mods/public/simulation/components/Attack.js
@@ -496,6 +496,11 @@
 		let cmpProjectileManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_ProjectileManager);
 		let id = cmpProjectileManager.LaunchProjectileAtPoint(this.entity, realTargetPosition, horizSpeed, gravity);
 
+		let attackImpactSound = "";
+		let cmpSound = Engine.QueryInterface(this.entity, IID_Sound);
+		if (cmpSound)
+			attackImpactSound = cmpSound.GetSoundGroup("attack_impact");
+
 		let data = {
 			"type": type,
 			"attacker": this.entity,
@@ -506,7 +511,8 @@
 			"projectileId": id,
 			"bonus": this.GetBonusTemplate(type),
 			"isSplash": false,
-			"attackerOwner": attackerOwner
+			"attackerOwner": attackerOwner,
+			"attackImpactSound": attackImpactSound
 		};
 		if (this.template.Ranged.Splash)
 		{
Index: ps/trunk/binaries/data/mods/public/simulation/components/Damage.js
===================================================================
--- ps/trunk/binaries/data/mods/public/simulation/components/Damage.js
+++ ps/trunk/binaries/data/mods/public/simulation/components/Damage.js
@@ -99,6 +99,7 @@
  * @param {number}   data.projectileId - the id of the projectile.
  * @param {Vector3D} data.direction - the unit vector defining the direction.
  * @param {Object}   data.bonus - the attack bonus template from the attacker.
+ * @param {string}   data.attackImpactSound - the name of the sound emited on impact.
  * ***When splash damage***
  * @param {boolean}  data.friendlyFire - a flag indicating if allied entities are also damaged.
  * @param {number}   data.radius - the radius of the splash damage.
@@ -111,6 +112,10 @@
 	if (!data.position)
 		return;
 
+	let cmpSoundManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_SoundManager);
+	if (cmpSoundManager && data.attackImpactSound)
+		cmpSoundManager.PlaySoundGroupAtPosition(data.attackImpactSound, data.position);
+
 	// Do this first in case the direct hit kills the target
 	if (data.isSplash)
 	{
@@ -261,8 +266,6 @@
 		this.TargetKilled(data.attacker, data.target, data.attackerOwner);
 
 	Engine.PostMessage(data.target, MT_Attacked, { "attacker": data.attacker, "target": data.target, "type": data.type, "damage": -targetState.change, "attackerOwner": data.attackerOwner });
-
-	PlaySound("attack_impact", data.attacker);
 };
 
 /**
Index: ps/trunk/binaries/data/mods/public/simulation/templates/template_unit_mechanical_siege_onager.xml
===================================================================
--- ps/trunk/binaries/data/mods/public/simulation/templates/template_unit_mechanical_siege_onager.xml
+++ ps/trunk/binaries/data/mods/public/simulation/templates/template_unit_mechanical_siege_onager.xml
@@ -63,6 +63,7 @@
   <Sound>
     <SoundGroups>
       <attack>attack/siege/ballist_attack.xml</attack>
+      <attack_impact>attack/impact/siegeprojectilehit.xml</attack_impact>
     </SoundGroups>
   </Sound>
   <StatusBars>
Index: ps/trunk/source/simulation2/components/CCmpSoundManager.cpp
===================================================================
--- ps/trunk/source/simulation2/components/CCmpSoundManager.cpp
+++ ps/trunk/source/simulation2/components/CCmpSoundManager.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2014 Wildfire Games.
+/* Copyright (C) 2017 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -85,6 +85,13 @@
 		}
 	}
 
+	virtual void PlaySoundGroupAtPosition(const std::wstring& name, const CFixedVector3D& sourcePos)
+	{
+		if (!g_SoundManager)
+			return;
+		g_SoundManager->PlayAsGroup(name, CVector3D(sourcePos), INVALID_ENTITY, false);
+	}
+
 	virtual void StopMusic()
 	{
 		if (!g_SoundManager)
Index: ps/trunk/source/simulation2/components/ICmpSoundManager.h
===================================================================
--- ps/trunk/source/simulation2/components/ICmpSoundManager.h
+++ ps/trunk/source/simulation2/components/ICmpSoundManager.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2014 Wildfire Games.
+/* Copyright (C) 2017 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -20,6 +20,8 @@
 
 #include "simulation2/system/Interface.h"
 
+#include "maths/FixedVector3D.h"
+
 /**
  * Interface to the engine's sound system.
  */
@@ -33,6 +35,13 @@
 	 */
 	virtual void PlaySoundGroup(const std::wstring& name, entity_id_t source) = 0;
 
+	/**
+	 * Start playing audio defined by a sound group file.
+	 * @param name VFS path of sound group .xml, relative to audio/
+	 * @param sourcePos 3d position of the sound emitter
+	 */
+	virtual void PlaySoundGroupAtPosition(const std::wstring& name, const CFixedVector3D& sourcePos) = 0;
+
 	virtual void StopMusic() = 0;
 
 	DECLARE_INTERFACE_TYPE(SoundManager)
Index: ps/trunk/source/simulation2/components/ICmpSoundManager.cpp
===================================================================
--- ps/trunk/source/simulation2/components/ICmpSoundManager.cpp
+++ ps/trunk/source/simulation2/components/ICmpSoundManager.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2014 Wildfire Games.
+/* Copyright (C) 2017 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -23,5 +23,6 @@
 
 BEGIN_INTERFACE_WRAPPER(SoundManager)
 DEFINE_INTERFACE_METHOD_2("PlaySoundGroup", void, ICmpSoundManager, PlaySoundGroup, std::wstring, entity_id_t)
+DEFINE_INTERFACE_METHOD_2("PlaySoundGroupAtPosition", void, ICmpSoundManager, PlaySoundGroupAtPosition, std::wstring, CFixedVector3D)
 DEFINE_INTERFACE_METHOD_0("StopMusic", void, ICmpSoundManager, StopMusic)
 END_INTERFACE_WRAPPER(SoundManager)