86 lines
2.3 KiB
C#
Executable File
86 lines
2.3 KiB
C#
Executable File
#region Copyright & License Information
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/*
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* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using OpenRA.Mods.RA.Render;
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using OpenRA.Traits;
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using OpenRA.Mods.RA.Move;
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namespace OpenRA.Mods.RA.Activities
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{
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/* non-turreted attack */
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public class Attack : Activity
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{
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protected Target Target;
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ITargetable targetable;
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WRange Range;
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bool AllowMovement;
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int nextPathTime;
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const int delayBetweenPathingAttempts = 20;
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const int delaySpread = 5;
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public Attack(Target target, WRange range)
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: this(target, range, true) {}
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public Attack(Target target, WRange range, bool allowMovement)
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{
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Target = target;
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if (target.IsActor)
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targetable = target.Actor.TraitOrDefault<ITargetable>();
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Range = range;
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AllowMovement = allowMovement;
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}
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public override Activity Tick(Actor self)
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{
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var attack = self.Trait<AttackBase>();
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var ret = InnerTick(self, attack);
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attack.IsAttacking = (ret == this);
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return ret;
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}
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protected virtual Activity InnerTick(Actor self, AttackBase attack)
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{
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if (IsCanceled)
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return NextActivity;
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if (!Target.IsValid)
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return NextActivity;
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if (!self.Owner.HasFogVisibility() && Target.Actor != null && Target.Actor.HasTrait<Mobile>() && !self.Owner.Shroud.IsTargetable(Target.Actor))
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return NextActivity;
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if (targetable != null && !targetable.TargetableBy(Target.Actor, self))
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return NextActivity;
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if (!Target.IsInRange(self.CenterPosition, Range))
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{
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if (--nextPathTime > 0)
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return this;
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nextPathTime = self.World.SharedRandom.Next(delayBetweenPathingAttempts - delaySpread,
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delayBetweenPathingAttempts + delaySpread);
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return (AllowMovement) ? Util.SequenceActivities(self.Trait<Mobile>().MoveWithinRange(Target, Range.Range / 1024), this) : NextActivity;
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}
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var desiredFacing = Util.GetFacing(Target.CenterPosition - self.CenterPosition, 0);
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var facing = self.Trait<IFacing>();
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if (facing.Facing != desiredFacing)
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return Util.SequenceActivities(new Turn(desiredFacing), this);
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attack.DoAttack(self, Target);
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return this;
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}
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}
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}
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