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

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

@@ -0,0 +1,91 @@
+#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.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[Desc("Makes the unit automatically run around when taking damage.")]
+	class ScaredyCatInfo : ITraitInfo
+	{
+		[Desc("How long (in ticks) the actor should panic for.")]
+		public readonly int PanicLength = 25 * 10;
+
+		[Desc("Panic movement speed as a precentage of the normal speed.")]
+		public readonly int PanicSpeedModifier = 200;
+
+		[Desc("Chance (out of 100) the unit has to enter panic mode when attacked.")]
+		public readonly int AttackPanicChance = 20;
+
+		public object Create(ActorInitializer init) { return new ScaredyCat(init.Self, this); }
+	}
+
+	class ScaredyCat : ITick, INotifyIdle, INotifyDamage, INotifyAttack, ISpeedModifier, ISync, IRenderInfantrySequenceModifier
+	{
+		readonly ScaredyCatInfo info;
+		[Sync] readonly Actor self;
+		[Sync] int panicStartedTick;
+		bool Panicking { get { return panicStartedTick > 0; } }
+
+		public bool IsModifyingSequence { get { return Panicking; } }
+		public string SequencePrefix { get { return "panic-"; } }
+
+		public ScaredyCat(Actor self, ScaredyCatInfo info)
+		{
+			this.self = self;
+			this.info = info;
+		}
+
+		public void Panic()
+		{
+			if (!Panicking)
+				self.CancelActivity();
+
+			panicStartedTick = self.World.WorldTick;
+		}
+
+		public void Tick(Actor self)
+		{
+			if (!Panicking)
+				return;
+
+			if (self.World.WorldTick >= panicStartedTick + info.PanicLength)
+			{
+				self.CancelActivity();
+				panicStartedTick = 0;
+			}
+		}
+
+		public void TickIdle(Actor self)
+		{
+			if (!Panicking)
+				return;
+
+			self.Trait<Mobile>().Nudge(self, self, true);
+		}
+
+		public void Damaged(Actor self, AttackInfo e)
+		{
+			if (e.Damage > 0)
+				Panic();
+		}
+
+		public void Attacking(Actor self, Target target, Armament a, Barrel barrel)
+		{
+			if (self.World.SharedRandom.Next(100 / info.AttackPanicChance) == 0)
+				Panic();
+		}
+
+		public int GetSpeedModifier()
+		{
+			return Panicking ? info.PanicSpeedModifier : 100;
+		}
+	}
+}