Implement ReloadAmmoDelay multiplier.

OpenRA.Mods.Common/Traits/Multipliers/ReloadAmmoDelayMultiplier.cs

@@ -0,0 +1,31 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2019 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
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[Desc("Modifies the reload time of ammo pools on this actor.")]
+	public class ReloadAmmoDelayMultiplierInfo : ConditionalTraitInfo
+	{
+		[FieldLoader.Require]
+		[Desc("Percentage modifier to apply.")]
+		public readonly int Modifier = 100;
+
+		public override object Create(ActorInitializer init) { return new ReloadAmmoDelayMultiplier(this); }
+	}
+
+	public class ReloadAmmoDelayMultiplier : ConditionalTrait<ReloadAmmoDelayMultiplierInfo>, IReloadAmmoModifier
+	{
+		public ReloadAmmoDelayMultiplier(ReloadAmmoDelayMultiplierInfo info)
+			: base(info) { }
+
+		int IReloadAmmoModifier.GetReloadAmmoModifier() { return IsTraitDisabled ? 100 : Info.Modifier; }
+	}
+}

OpenRA.Mods.Common/Traits/ReloadAmmoPool.cs

@@ -46,6 +46,7 @@ namespace OpenRA.Mods.Common.Traits
 	public class ReloadAmmoPool : PausableConditionalTrait<ReloadAmmoPoolInfo>, ITick, INotifyCreated, INotifyAttack, ISync
 	{
 		AmmoPool ammoPool;
+		IReloadAmmoModifier[] modifiers;
 
 		[Sync]
 		int remainingTicks;
@@ -56,6 +57,7 @@ namespace OpenRA.Mods.Common.Traits
 		void INotifyCreated.Created(Actor self)
 		{
 			ammoPool = self.TraitsImplementing<AmmoPool>().Single(ap => ap.Info.Name == Info.AmmoPool);
+			modifiers = self.TraitsImplementing<IReloadAmmoModifier>().ToArray();
 			remainingTicks = Info.Delay;
 		}
 
@@ -79,7 +81,7 @@ namespace OpenRA.Mods.Common.Traits
 		{
 			if (!ammoPool.FullAmmo() && --remainingTicks == 0)
 			{
-				remainingTicks = reloadDelay;
+				remainingTicks = Util.ApplyPercentageModifiers(reloadDelay, modifiers.Select(m => m.GetReloadAmmoModifier()));
 				if (!string.IsNullOrEmpty(sound))
 					Game.Sound.PlayToPlayer(SoundType.World, self.Owner, sound, self.CenterPosition);
 

OpenRA.Mods.Common/TraitsInterfaces.cs

@@ -361,6 +361,9 @@ namespace OpenRA.Mods.Common.Traits
 	[RequireExplicitImplementation]
 	public interface IReloadModifier { int GetReloadModifier(); }
 
+	[RequireExplicitImplementation]
+	public interface IReloadAmmoModifier { int GetReloadAmmoModifier(); }
+
 	[RequireExplicitImplementation]
 	public interface IInaccuracyModifier { int GetInaccuracyModifier(); }