Initial commit: OpenRA game engine

Fork from OpenRA/OpenRA with one-click launch script (start-ra.cmd)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

OpenRA.Mods.Common/Lint/CheckRevealFootprint.cs

@@ -0,0 +1,57 @@
+#region Copyright & License Information
+/*
+ * Copyright (c) The OpenRA Developers and Contributors
+ * 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, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Server;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Lint
+{
+	sealed class CheckRevealFootprint : ILintRulesPass, ILintServerMapPass
+	{
+		void ILintRulesPass.Run(Action<string> emitError, Action<string> emitWarning, ModData modData, Ruleset rules)
+		{
+			Run(emitError, rules);
+		}
+
+		void ILintServerMapPass.Run(Action<string> emitError, Action<string> emitWarning, ModData modData, MapPreview map, Ruleset mapRules)
+		{
+			Run(emitError, mapRules);
+		}
+
+		static void Run(Action<string> emitError, Ruleset rules)
+		{
+			foreach (var actorInfo in rules.Actors)
+			{
+				// Catch TypeDictionary errors.
+				try
+				{
+					var ios = actorInfo.Value.TraitInfoOrDefault<IOccupySpaceInfo>();
+					foreach (var rsi in actorInfo.Value.TraitInfos<RevealsShroudInfo>())
+					{
+						if (rsi.Type != VisibilityType.Footprint)
+							continue;
+
+						if (ios == null)
+							emitError($"Actor type `{actorInfo.Key}` defines VisibilityType.Footprint in `{rsi.GetType()}` but has no IOccupySpace traits.");
+						else if (ios.OccupiedCells(actorInfo.Value, CPos.Zero).Count == 0)
+							emitError($"Actor type `{actorInfo.Key}` defines VisibilityType.Footprint in `{rsi.GetType()}` but does not have any footprint cells.");
+					}
+				}
+				catch (InvalidOperationException e)
+				{
+					emitError($"{e.Message} (Actor type `{actorInfo.Key}`).");
+				}
+			}
+		}
+	}
+}