Add an Unload voice for when a unit is unloading.

OpenRA.Game/Selection.cs

@@ -42,7 +42,7 @@ namespace OpenRA
 			else
 				actors = (isCombine ? oldSelection.Union(newSelection) : newSelection).ToList();
 
-			var voicedUnit = actors.FirstOrDefault(a => a.Owner == world.LocalPlayer && a.IsInWorld && a.HasVoice());
+			var voicedUnit = actors.FirstOrDefault(a => a.Owner == world.LocalPlayer && a.IsInWorld && a.HasVoices());
 			if (voicedUnit != null)
 				Sound.PlayVoice("Select", voicedUnit, voicedUnit.Owner.Country.Race);
 

OpenRA.Game/WorldUtils.cs

@@ -151,18 +151,24 @@ namespace OpenRA
 			return new float2(Gauss1D(r, samples), Gauss1D(r, samples));
 		}
 
-		public static bool HasVoice(this Actor a)
+		public static bool HasVoices(this Actor a)
 		{
 			var selectable = a.Info.Traits.GetOrDefault<SelectableInfo>();
 			return selectable != null && selectable.Voice != null;
 		}
 
-		public static SoundInfo GetVoice(this Actor a)
+		public static bool HasVoice(this Actor a, string voice)
+		{
+			var v = GetVoices(a);
+			return v != null && v.Voices.ContainsKey(voice);
+		}
+
+		public static SoundInfo GetVoices(this Actor a)
 		{
 			var selectable = a.Info.Traits.GetOrDefault<SelectableInfo>();
 			if (selectable == null) return null;
 			var v = selectable.Voice;
-			return (v == null) ? null : Rules.Voices[v];
+			return (v == null) ? null : Rules.Voices[v.ToLowerInvariant()];
 		}
 
 		public static void PlayVoiceForOrders(this World w, Order[] orders)

OpenRA.Mods.RA/Cargo.cs

@@ -118,7 +118,7 @@ namespace OpenRA.Mods.RA
 		public string VoicePhraseForOrder(Actor self, Order order)
 		{
 			if (order.OrderString != "Unload" || IsEmpty(self)) return null;
-			return "Move";
+			return self.HasVoice("Unload") ? "Unload" : "Move";
 		}
 
 		public bool HasSpace(int weight) { return totalWeight + weight <= info.MaxWeight; }