Move ScaredyCat, TakeCover, RenderInfantry, WithBuildingExplosion and SpawnMPUnits as well as Hunt activity to Mods.Common.

OpenRA.Mods.Common/Traits/Infantry/TakeCover.cs

@@ -0,0 +1,77 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 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. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using OpenRA.GameRules;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[Desc("Make the unit go prone when under attack, in an attempt to reduce damage.")]
+	public class TakeCoverInfo : TurretedInfo
+	{
+		[Desc("How long (in ticks) the actor remains prone.")]
+		public readonly int ProneTime = 100;
+
+		[Desc("Prone movement speed as a percentage of the normal speed.")]
+		public readonly int SpeedModifier = 50;
+
+		public readonly WVec ProneOffset = new WVec(85, 0, -171);
+
+		public readonly string ProneSequencePrefix = "prone-";
+
+		public override object Create(ActorInitializer init) { return new TakeCover(init, this); }
+	}
+
+	public class TakeCover : Turreted, INotifyDamage, IDamageModifier, ISpeedModifier, ISync, IRenderInfantrySequenceModifier
+	{
+		readonly TakeCoverInfo info;
+		[Sync] int remainingProneTime = 0;
+		bool IsProne { get { return remainingProneTime > 0; } }
+
+		public bool IsModifyingSequence { get { return IsProne; } }
+		public string SequencePrefix { get { return info.ProneSequencePrefix; } }
+
+		public TakeCover(ActorInitializer init, TakeCoverInfo info)
+			: base(init, info)
+		{
+			this.info = info;
+		}
+
+		public void Damaged(Actor self, AttackInfo e)
+		{
+			/* Don't go prone when healed */
+			if (e.Damage > 0 && (e.Warhead == null || !e.Warhead.PreventProne))
+			{
+				if (!IsProne)
+					localOffset = info.ProneOffset;
+
+				remainingProneTime = info.ProneTime;
+			}
+		}
+
+		public override void Tick(Actor self)
+		{
+			base.Tick(self);
+
+			if (IsProne && --remainingProneTime == 0)
+				localOffset = WVec.Zero;
+		}
+
+		public int GetDamageModifier(Actor attacker, DamageWarhead warhead)
+		{
+			return IsProne && warhead != null ? warhead.ProneModifier : 100;
+		}
+
+		public int GetSpeedModifier()
+		{
+			return IsProne ? info.SpeedModifier : 100;
+		}
+	}
+}