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/CheckPlayers.cs

@@ -0,0 +1,103 @@
+#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 System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Linq;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Server;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Lint
+{
+	public class CheckPlayers : ILintMapPass, ILintServerMapPass
+	{
+		void ILintMapPass.Run(Action<string> emitError, Action<string> emitWarning, ModData modData, Map map)
+		{
+			var players = new MapPlayers(map.PlayerDefinitions);
+			var spawns = new List<CPos>();
+			foreach (var kv in map.ActorDefinitions.Where(d => d.Value.Value == "mpspawn"))
+			{
+				var s = new ActorReference(kv.Value.Value, kv.Value);
+				spawns.Add(s.Get<LocationInit>().Value);
+			}
+
+			Run(emitError, emitWarning, players, map.Visibility, map.Rules.Actors[SystemActors.World], spawns.ToImmutableArray());
+		}
+
+		void ILintServerMapPass.Run(Action<string> emitError, Action<string> emitWarning, ModData modData, MapPreview map, Ruleset mapRules)
+		{
+			Run(emitError, emitWarning, map.Players, map.Visibility, map.WorldActorInfo, map.SpawnPoints);
+		}
+
+		static void Run(Action<string> emitError, Action<string> emitWarning,
+			MapPlayers players, MapVisibility visibility, ActorInfo worldActorInfo, ImmutableArray<CPos> spawnPoints)
+		{
+			if (players.Players.Count > 64)
+				emitError("Defining more than 64 players is not allowed.");
+
+			var playablePlayerFound = false;
+			var worldOwnerFound = false;
+			var playerNames = players.Players.Values.Select(p => p.Name).ToHashSet();
+			foreach (var player in players.Players.Values)
+			{
+				foreach (var ally in player.Allies)
+					if (!playerNames.Contains(ally))
+						emitError($"The player `{player.Name}` allies list contains an invalid player `{ally}`.");
+
+				foreach (var enemy in player.Enemies)
+					if (!playerNames.Contains(enemy))
+						emitError($"The player `{player.Name}` enemy list contains an invalid player `{enemy}`.");
+
+				if (player.Playable)
+					playablePlayerFound = true;
+
+				if (player.OwnsWorld)
+				{
+					worldOwnerFound = true;
+					if (player.Enemies.Length > 0 || player.Allies.Length > 0)
+						emitWarning($"The player `{player.Name}` owning the world should not have any allies or enemies.");
+
+					if (player.Playable)
+						emitError($"The player `{player.Name}` owning the world can't be playable.");
+				}
+				else if (visibility == MapVisibility.MissionSelector && player.Playable && !player.LockFaction)
+				{
+					// Missions must lock the faction of the player to force the server to override the default Random faction
+					emitError($"The player `{player.Name}` must specify LockFaction: True.");
+				}
+			}
+
+			if (!playablePlayerFound && visibility != MapVisibility.Shellmap)
+				emitError("Found no playable player.");
+
+			if (!worldOwnerFound)
+				emitError("Found no player owning the world.");
+
+			var factions = worldActorInfo.TraitInfos<FactionInfo>().Select(f => f.InternalName).ToHashSet();
+			foreach (var player in players.Players.Values)
+				if (!string.IsNullOrWhiteSpace(player.Faction) && !factions.Contains(player.Faction))
+					emitError($"Invalid faction `{player.Faction}` chosen for player `{player.Name}`.");
+
+			if (worldActorInfo.HasTraitInfo<MapStartingLocationsInfo>())
+			{
+				var playerCount = players.Players.Count(p => p.Value.Playable);
+				if (playerCount > spawnPoints.Length)
+					emitError($"The map allows {playerCount} possible players, but defines only {spawnPoints.Length} spawn points.");
+
+				foreach (var spawn in spawnPoints.GroupBy(x => x))
+					if (spawn.Count() > 1)
+						emitError($"Duplicate spawn point location detected at `{spawn.Key}`.");
+			}
+		}
+	}
+}