Remove IExplodeModifier interface.

OpenRA.Mods.Common/OpenRA.Mods.Common.csproj

@@ -596,6 +596,7 @@
     <Compile Include="Traits\ActorSpawner.cs" />
     <Compile Include="UpdateRules\Rules\20180923\RemovedDemolishLocking.cs" />
     <Compile Include="UpdateRules\Rules\20180923\RemoveNegativeDamageFullHealthCheck.cs" />
+    <Compile Include="UpdateRules\Rules\20180923\RemoveResourceExplodeModifier.cs" />
     <Compile Include="UpdateRules\Rules\20180923\RenameCrateActionNotification.cs" />
     <Compile Include="UpdateRules\Rules\20180923\CloakRequiresConditionToPause.cs" />
     <Compile Include="UpdateRules\Rules\20180923\MergeCaptureTraits.cs" />

OpenRA.Mods.Common/Traits/Armament.cs

@@ -101,7 +101,7 @@ namespace OpenRA.Mods.Common.Traits
 		}
 	}
 
-	public class Armament : PausableConditionalTrait<ArmamentInfo>, ITick, IExplodeModifier
+	public class Armament : PausableConditionalTrait<ArmamentInfo>, ITick
 	{
 		public readonly WeaponInfo Weapon;
 		public readonly Barrel[] Barrels;
@@ -369,8 +369,6 @@ namespace OpenRA.Mods.Common.Traits
 		}
 
 		public virtual bool IsReloading { get { return FireDelay > 0 || IsTraitDisabled; } }
-		public virtual bool AllowExplode { get { return !IsReloading; } }
-		bool IExplodeModifier.ShouldExplode(Actor self) { return AllowExplode; }
 
 		public WVec MuzzleOffset(Actor self, Barrel b)
 		{

OpenRA.Mods.Common/Traits/Explodes.cs

@@ -127,7 +127,12 @@ namespace OpenRA.Mods.Common.Traits
 
 		WeaponInfo ChooseWeaponForExplosion(Actor self)
 		{
-			var shouldExplode = self.TraitsImplementing<IExplodeModifier>().All(a => a.ShouldExplode(self));
+			var armaments = self.TraitsImplementing<Armament>();
+			if (!armaments.Any())
+				return Info.WeaponInfo;
+
+			// TODO: EmptyWeapon should be removed in favour of conditions
+			var shouldExplode = !armaments.All(a => a.IsReloading);
 			var useFullExplosion = self.World.SharedRandom.Next(100) <= Info.LoadedChance;
 			return (shouldExplode && useFullExplosion) ? Info.WeaponInfo : Info.EmptyWeaponInfo;
 		}

OpenRA.Mods.Common/Traits/Harvester.cs

@@ -80,7 +80,7 @@ namespace OpenRA.Mods.Common.Traits
 		public object Create(ActorInitializer init) { return new Harvester(init.Self, this); }
 	}
 
-	public class Harvester : IIssueOrder, IResolveOrder, IPips, IExplodeModifier, IOrderVoice,
+	public class Harvester : IIssueOrder, IResolveOrder, IPips, IOrderVoice,
 		ISpeedModifier, ISync, INotifyCreated, INotifyIdle, INotifyBlockingMove
 	{
 		public readonly HarvesterInfo Info;
@@ -470,8 +470,6 @@ namespace OpenRA.Mods.Common.Traits
 				yield return GetPipAt(i);
 		}
 
-		bool IExplodeModifier.ShouldExplode(Actor self) { return !IsEmpty; }
-
 		int ISpeedModifier.GetSpeedModifier()
 		{
 			return 100 - (100 - Info.FullyLoadedSpeed) * contents.Values.Sum() / Info.Capacity;

OpenRA.Mods.Common/Traits/StoresResources.cs

@@ -31,7 +31,7 @@ namespace OpenRA.Mods.Common.Traits
 		public object Create(ActorInitializer init) { return new StoresResources(init.Self, this); }
 	}
 
-	class StoresResources : IPips, INotifyOwnerChanged, INotifyCapture, IExplodeModifier, IStoreResources, ISync, INotifyKilled
+	class StoresResources : IPips, INotifyOwnerChanged, INotifyCapture, IStoreResources, ISync, INotifyKilled
 	{
 		readonly StoresResourcesInfo info;
 		PlayerResources player;
@@ -70,7 +70,5 @@ namespace OpenRA.Mods.Common.Traits
 				player.Resources * info.PipCount > i * player.ResourceCapacity
 				? info.PipColor : PipType.Transparent);
 		}
-
-		bool IExplodeModifier.ShouldExplode(Actor self) { return Stored > 0; }
 	}
 }

OpenRA.Mods.Common/TraitsInterfaces.cs

@@ -142,7 +142,6 @@ namespace OpenRA.Mods.Common.Traits
 	public interface IRenderActorPreviewInfo : ITraitInfo { IEnumerable<IActorPreview> RenderPreview(ActorPreviewInitializer init); }
 	public interface ICruiseAltitudeInfo : ITraitInfo { WDist GetCruiseAltitude(); }
 
-	public interface IExplodeModifier { bool ShouldExplode(Actor self); }
 	public interface IHuskModifier { string HuskActor(Actor self); }
 
 	public interface ISeedableResource { void Seed(Actor self); }

OpenRA.Mods.Common/UpdateRules/Rules/20180923/RemoveResourceExplodeModifier.cs

@@ -0,0 +1,49 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2018 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.Collections.Generic;
+using System.Linq;
+
+namespace OpenRA.Mods.Common.UpdateRules.Rules
+{
+	public class RemoveResourceExplodeModifier : UpdateRule
+	{
+		public override string Name { get { return "Harvester and StoresResources traits no longer force Explodes.EmptyWeapon"; } }
+		public override string Description
+		{
+			get
+			{
+				return "The hardcoded behaviour forcing Explodes to use EmptyWeapon when the harvester/player has no\n" +
+					"resources has been removed. Affected actors are listed so that conditions may be manually defined.";
+			}
+		}
+
+		readonly List<string> locations = new List<string>();
+
+		public override IEnumerable<string> AfterUpdate(ModData modData)
+		{
+			if (locations.Any())
+				yield return "Review the following definitions and, if the actor uses Harvester or StoresResources,\n" +
+					"define a new Explodes trait with the previous EmptyWeapon, enabled by Harvester.EmptyCondition or\n" +
+					"GrantConditionOnPlayerResources.Condition (negated):\n" + UpdateUtils.FormatMessageList(locations);
+
+			locations.Clear();
+		}
+
+		public override IEnumerable<string> UpdateActorNode(ModData modData, MiniYamlNode actorNode)
+		{
+			if (actorNode.LastChildMatching("Explodes") != null)
+				locations.Add("{0} ({1})".F(actorNode.Key, actorNode.Location.Filename));
+
+			yield break;
+		}
+	}
+}

OpenRA.Mods.Common/UpdateRules/UpdatePath.cs

@@ -108,6 +108,7 @@ namespace OpenRA.Mods.Common.UpdateRules
 				new AddBotOrderManager(),
 				new AddHarvesterBotModule(),
 				new RemoveNegativeDamageFullHealthCheck(),
+				new RemoveResourceExplodeModifier(),
 			})
 		};