97 lines
2.7 KiB
C#
97 lines
2.7 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2019 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 System.Collections.Generic;
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using OpenRA.Activities;
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using OpenRA.Mods.Common.Traits;
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using OpenRA.Primitives;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Activities
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{
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public class TakeOff : Activity
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{
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readonly Aircraft aircraft;
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readonly IMove move;
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Target fallbackTarget;
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bool movedToTarget = false;
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public TakeOff(Actor self, Target fallbackTarget)
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{
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aircraft = self.Trait<Aircraft>();
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move = self.Trait<IMove>();
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this.fallbackTarget = fallbackTarget;
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}
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public TakeOff(Actor self)
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: this(self, Target.Invalid) { }
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protected override void OnFirstRun(Actor self)
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{
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if (aircraft.ForceLanding)
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return;
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if (self.World.Map.DistanceAboveTerrain(aircraft.CenterPosition).Length >= aircraft.Info.MinAirborneAltitude)
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return;
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// We are taking off, so remove reservation and influence in ground cells.
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aircraft.UnReserve();
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aircraft.RemoveInfluence();
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if (aircraft.Info.TakeoffSounds.Length > 0)
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Game.Sound.Play(SoundType.World, aircraft.Info.TakeoffSounds, self.World, aircraft.CenterPosition);
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}
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public override bool Tick(Actor self)
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{
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// Refuse to take off if it would land immediately again.
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if (aircraft.ForceLanding)
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{
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Cancel(self);
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return true;
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}
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var dat = self.World.Map.DistanceAboveTerrain(aircraft.CenterPosition);
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if (dat < aircraft.Info.CruiseAltitude)
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{
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// If we're a VTOL, rise before flying forward
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if (aircraft.Info.VTOL)
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{
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Fly.VerticalTakeOffOrLandTick(self, aircraft, aircraft.Facing, aircraft.Info.CruiseAltitude);
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return false;
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}
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Fly.FlyTick(self, aircraft, aircraft.Facing, aircraft.Info.CruiseAltitude);
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return false;
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}
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// Only move to the fallback target if we don't have anything better to do
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if (NextActivity == null && fallbackTarget.IsValidFor(self) && !movedToTarget)
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{
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QueueChild(new AttackMoveActivity(self, () => move.MoveToTarget(self, fallbackTarget, targetLineColor: Color.OrangeRed)));
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movedToTarget = true;
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return false;
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}
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return true;
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}
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public override IEnumerable<TargetLineNode> TargetLineNodes(Actor self)
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{
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if (ChildActivity != null)
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foreach (var n in ChildActivity.TargetLineNodes(self))
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yield return n;
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else
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yield return new TargetLineNode(fallbackTarget, Color.OrangeRed);
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}
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}
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}
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