Rename C4Demolition to Demolition.

OpenRA.Mods.Common/Traits/Demolition.cs

@@ -0,0 +1,120 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2016 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.Drawing;
+using System.Linq;
+using OpenRA.Mods.Common.Activities;
+using OpenRA.Mods.Common.Orders;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	class DemolitionInfo : ITraitInfo
+	{
+		[Desc("Delay to demolish the target once the explosive device is planted. " +
+			"Measured in game ticks. Default is 1.8 seconds.")]
+		public readonly int DetonationDelay = 45;
+
+		[Desc("Number of times to flash the target.")]
+		public readonly int Flashes = 3;
+
+		[Desc("Delay before the flashing starts.")]
+		public readonly int FlashesDelay = 4;
+
+		[Desc("Interval between each flash.")]
+		public readonly int FlashInterval = 4;
+
+		[Desc("Duration of each flash.")]
+		public readonly int FlashDuration = 3;
+
+		[Desc("Behaviour when entering the structure.",
+			"Possible values are Exit, Suicide, Dispose.")]
+		public readonly EnterBehaviour EnterBehaviour = EnterBehaviour.Exit;
+
+		[Desc("Voice string when planting explosive charges.")]
+		[VoiceReference] public readonly string Voice = "Action";
+
+		public object Create(ActorInitializer init) { return new Demolition(this); }
+	}
+
+	class Demolition : IIssueOrder, IResolveOrder, IOrderVoice
+	{
+		readonly DemolitionInfo info;
+
+		public Demolition(DemolitionInfo info)
+		{
+			this.info = info;
+		}
+
+		public IEnumerable<IOrderTargeter> Orders
+		{
+			get { yield return new DemolitionOrderTargeter("c4"); }
+		}
+
+		public Order IssueOrder(Actor self, IOrderTargeter order, Target target, bool queued)
+		{
+			if (order.OrderID != "C4")
+				return null;
+
+			if (target.Type == TargetType.FrozenActor)
+				return new Order(order.OrderID, self, queued) { ExtraData = target.FrozenActor.ID };
+
+			return new Order(order.OrderID, self, queued) { TargetActor = target.Actor };
+		}
+
+		public void ResolveOrder(Actor self, Order order)
+		{
+			if (order.OrderString != "C4")
+				return;
+
+			var target = self.ResolveFrozenActorOrder(order, Color.Red);
+			if (target.Type != TargetType.Actor)
+				return;
+
+			var demolishable = target.Actor.TraitOrDefault<IDemolishable>();
+			if (demolishable == null || !demolishable.IsValidTarget(target.Actor, self))
+				return;
+
+			if (!order.Queued)
+				self.CancelActivity();
+
+			self.SetTargetLine(target, Color.Red);
+			self.QueueActivity(new Demolish(self, target.Actor, info.EnterBehaviour, info.DetonationDelay,
+				info.Flashes, info.FlashesDelay, info.FlashInterval, info.FlashDuration));
+		}
+
+		public string VoicePhraseForOrder(Actor self, Order order)
+		{
+			return order.OrderString == "C4" ? info.Voice : null;
+		}
+
+		class DemolitionOrderTargeter : UnitOrderTargeter
+		{
+			public DemolitionOrderTargeter(string cursor)
+				: base("C4", 6, cursor, true, false) { }
+
+			public override bool CanTargetActor(Actor self, Actor target, TargetModifiers modifiers, ref string cursor)
+			{
+				// Obey force moving onto bridges
+				if (modifiers.HasModifier(TargetModifiers.ForceMove))
+					return false;
+
+				return target.TraitsImplementing<IDemolishable>().Any(i => i.IsValidTarget(target, self));
+			}
+
+			public override bool CanTargetFrozenActor(Actor self, FrozenActor target, TargetModifiers modifiers, ref string cursor)
+			{
+				return target.Info.TraitInfos<IDemolishableInfo>().Any(i => i.IsValidTarget(target.Info, self));
+			}
+		}
+	}
+}