70 lines
2.5 KiB
C#
70 lines
2.5 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2021 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, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using OpenRA.Activities;
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using OpenRA.Mods.Common.Activities;
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using OpenRA.Primitives;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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// TODO: Add CurleyShuffle (TD, TS), Circle (Generals Gunship-style)
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public enum AirAttackType { Default, Hover, Strafe }
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public class AttackAircraftInfo : AttackFollowInfo, Requires<AircraftInfo>
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{
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[Desc("Attack behavior. Currently supported types are:",
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"Default: Attack while following the default movement rules.",
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"Hover: Hover, even if the Aircraft can't hover while idle.",
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"Strafe: Perform a fixed-length attack run on the target.")]
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public readonly AirAttackType AttackType = AirAttackType.Default;
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[Desc("Distance the strafing aircraft makes to a target before turning for another pass. When set to WDist.Zero this defaults to the maximum armament range.")]
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public readonly WDist StrafeRunLength = WDist.Zero;
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[Desc("Does this actor cancel its attack activity when it needs to resupply? Setting this to 'false' will make the actor resume attack after reloading.")]
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public readonly bool AbortOnResupply = true;
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public override object Create(ActorInitializer init) { return new AttackAircraft(init.Self, this); }
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}
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public class AttackAircraft : AttackFollow
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{
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public new readonly AttackAircraftInfo Info;
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readonly AircraftInfo aircraftInfo;
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public AttackAircraft(Actor self, AttackAircraftInfo info)
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: base(self, info)
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{
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Info = info;
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aircraftInfo = self.Info.TraitInfo<AircraftInfo>();
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}
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public override Activity GetAttackActivity(Actor self, AttackSource source, in Target newTarget, bool allowMove, bool forceAttack, Color? targetLineColor = null)
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{
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return new FlyAttack(self, source, newTarget, forceAttack, targetLineColor);
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}
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protected override bool CanAttack(Actor self, in Target target)
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{
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// Don't fire while landed or when outside the map.
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if (self.World.Map.DistanceAboveTerrain(self.CenterPosition).Length < aircraftInfo.MinAirborneAltitude
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|| !self.World.Map.Contains(self.Location))
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return false;
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if (!base.CanAttack(self, target))
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return false;
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return TargetInFiringArc(self, target, Info.FacingTolerance);
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}
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}
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}
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