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/Traits/Conditions/GrantConditionOnPowerState.cs

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+#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 OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[Desc("Grants condition as long as a valid power state is maintained.")]
+	public class GrantConditionOnPowerStateInfo : ConditionalTraitInfo
+	{
+		[FieldLoader.Require]
+		[GrantedConditionReference]
+		[Desc("Condition to grant.")]
+		public readonly string Condition = null;
+
+		[FieldLoader.Require]
+		[Desc("PowerStates at which the condition is granted. Options are Normal, Low and Critical.")]
+		public readonly PowerState ValidPowerStates = PowerState.Low | PowerState.Critical;
+
+		public override object Create(ActorInitializer init) { return new GrantConditionOnPowerState(this); }
+	}
+
+	public class GrantConditionOnPowerState : ConditionalTrait<GrantConditionOnPowerStateInfo>, INotifyOwnerChanged, INotifyPowerLevelChanged
+	{
+		PowerManager playerPower;
+		int conditionToken = Actor.InvalidConditionToken;
+
+		bool validPowerState;
+
+		public GrantConditionOnPowerState(GrantConditionOnPowerStateInfo info)
+			: base(info) { }
+
+		protected override void Created(Actor self)
+		{
+			playerPower = self.Owner.PlayerActor.Trait<PowerManager>();
+
+			base.Created(self);
+
+			Update(self);
+		}
+
+		protected override void TraitEnabled(Actor self)
+		{
+			Update(self);
+		}
+
+		protected override void TraitDisabled(Actor self)
+		{
+			Update(self);
+		}
+
+		void Update(Actor self)
+		{
+			validPowerState = !IsTraitDisabled && Info.ValidPowerStates.HasFlag(playerPower.PowerState);
+
+			if (validPowerState && conditionToken == Actor.InvalidConditionToken)
+				conditionToken = self.GrantCondition(Info.Condition);
+			else if (!validPowerState && conditionToken != Actor.InvalidConditionToken)
+				conditionToken = self.RevokeCondition(conditionToken);
+		}
+
+		void INotifyPowerLevelChanged.PowerLevelChanged(Actor self)
+		{
+			Update(self);
+		}
+
+		void INotifyOwnerChanged.OnOwnerChanged(Actor self, Player oldOwner, Player newOwner)
+		{
+			playerPower = newOwner.PlayerActor.Trait<PowerManager>();
+			Update(self);
+		}
+	}
+}