Tweak cnc wall sounds.

OpenRA.Mods.RA/Buildings/Wall.cs

@@ -16,7 +16,7 @@ namespace OpenRA.Mods.RA.Buildings
 	public class WallInfo : ITraitInfo, ITraitPrerequisite<BuildingInfo>
 	{
 		public readonly string[] CrushClasses = { };
-
+		public readonly string CrushSound;
 		public object Create(ActorInitializer init) { return new Wall(init.self, this); }
 	}
 
@@ -32,6 +32,10 @@ namespace OpenRA.Mods.RA.Buildings
 		}
 		
 		public IEnumerable<string> CrushClasses { get { return info.CrushClasses; } }
-		public void OnCrush(Actor crusher) { self.Kill(crusher); }
+		public void OnCrush(Actor crusher)
+		{
+			self.Kill(crusher);
+			Sound.Play(info.CrushSound, self.CenterLocation);
+		}
 	}
 }

mods/cnc/rules/defaults.yaml

@@ -243,13 +243,14 @@
 		BuildSounds: hvydoor1.aud
 		Capturable: false
 		BaseNormal: no
-		DamagedSound: xplos.aud
-		DestroyedSound: xplobig4.aud
+		DamagedSound:
+		DestroyedSound:
 		Adjacent: 7
 	TargetableBuilding:
 		TargetTypes: Ground
 	Wall:
 		CrushClasses: wall
+		CrushSound: sandbag2.aud
 	LineBuild:
 		Range: 8
 	Selectable:

mods/cnc/rules/structures.yaml

@@ -569,7 +569,10 @@ BRIK:
 		Type: Heavy
 	Wall:
 		CrushClasses: heavywall
-		
+		CrushSound:
+	Building:
+		DestroyedSound: crumble.aud
+
 GUN:
 	Inherits: ^Building
 	Valued: