add a new Lint check for map players

OpenRA.Mods.RA/Lint/CheckPlayers.cs

@@ -0,0 +1,39 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System;
+using System.Linq;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA
+{
+	public class CheckPlayers : ILintPass
+	{
+		public void Run(Action<string> emitError, Action<string> emitWarning, Map map)
+		{
+			var playerNames = map.Players.Values.Select(p => p.Name);
+			foreach (var player in map.Players)
+				foreach (var ally in player.Value.Allies)
+					if (!playerNames.Contains(ally))
+						emitError("Allies contains player {0} that is not in list.".F(ally));
+
+			foreach (var player in map.Players)
+				foreach (var enemy in player.Value.Enemies)
+					if (!playerNames.Contains(enemy))
+						emitError("Enemies contains player {0} that is not in list.".F(enemy));
+
+			var races = map.Rules.Actors["world"].Traits.WithInterface<CountryInfo>().Select(c => c.Race);
+			foreach (var player in map.Players)
+				if (!string.IsNullOrWhiteSpace(player.Value.Race) && player.Value.Race != "Random" && !races.Contains(player.Value.Race))
+					emitError("Invalid race {0} chosen for player {1}.".F(player.Value.Race, player.Value.Name));
+		}
+	}
+}
+

OpenRA.Mods.RA/OpenRA.Mods.RA.csproj

@@ -516,6 +516,7 @@
     <Compile Include="Render\WithRepairAnimation.cs" />
     <Compile Include="Render\WithRepairOverlay.cs" />
     <Compile Include="Activities\MoveWithinRange.cs" />
+    <Compile Include="Lint\CheckPlayers.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\OpenRA.Game\OpenRA.Game.csproj">