Move GrantConditionOnPrerequisite into the Conditions folder

2016-10-15 18:14:24 +02:00
parent ceab7a222e
commit b2b3390bc0
2 changed files with 1 additions and 1 deletions
--- a/OpenRA.Mods.Common/Traits/Conditions/GrantConditionOnPrerequisite.cs
+++ b/OpenRA.Mods.Common/Traits/Conditions/GrantConditionOnPrerequisite.cs
@@ -0,0 +1,78 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2017 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, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System.Linq;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[Desc("Grants a condition to the actor this is attached to when prerequisites are available.")]
+	public class GrantConditionOnPrerequisiteInfo : ITraitInfo
+	{
+		[FieldLoader.Require]
+		[GrantedConditionReference]
+		[Desc("The condition to grant.")]
+		public readonly string Condition = null;
+
+		[FieldLoader.Require]
+		[Desc("List of required prerequisites.")]
+		public readonly string[] Prerequisites = { };
+
+		public object Create(ActorInitializer init) { return new GrantConditionOnPrerequisite(init.Self, this); }
+	}
+
+	public class GrantConditionOnPrerequisite : INotifyCreated, INotifyAddedToWorld, INotifyRemovedFromWorld
+	{
+		readonly GrantConditionOnPrerequisiteInfo info;
+		readonly GrantConditionOnPrerequisiteManager globalManager;
+
+		ConditionManager conditionManager;
+		int conditionToken = ConditionManager.InvalidConditionToken;
+
+		bool wasAvailable;
+
+		public GrantConditionOnPrerequisite(Actor self, GrantConditionOnPrerequisiteInfo info)
+		{
+			this.info = info;
+			globalManager = self.Owner.PlayerActor.Trait<GrantConditionOnPrerequisiteManager>();
+		}
+
+		void INotifyCreated.Created(Actor self)
+		{
+			conditionManager = self.TraitOrDefault<ConditionManager>();
+		}
+
+		void INotifyAddedToWorld.AddedToWorld(Actor self)
+		{
+			if (info.Prerequisites.Any())
+				globalManager.Register(self, this, info.Prerequisites);
+		}
+
+		void INotifyRemovedFromWorld.RemovedFromWorld(Actor self)
+		{
+			if (info.Prerequisites.Any())
+				globalManager.Unregister(self, this, info.Prerequisites);
+		}
+
+		public void PrerequisitesUpdated(Actor self, bool available)
+		{
+			if (available == wasAvailable || conditionManager == null)
+				return;
+
+			if (available && conditionToken == ConditionManager.InvalidConditionToken)
+				conditionToken = conditionManager.GrantCondition(self, info.Condition);
+			else if (!available && conditionToken != ConditionManager.InvalidConditionToken)
+				conditionToken = conditionManager.RevokeCondition(self, conditionToken);
+
+			wasAvailable = available;
+		}
+	}
+}