54 lines
1.3 KiB
C#
54 lines
1.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace OpenRa.Game.Traits.Activities
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{
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class HeliFly : IActivity
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{
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const int CruiseAltitude = 20;
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readonly float2 Dest;
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public HeliFly(float2 dest)
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{
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Dest = dest;
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}
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public IActivity NextActivity { get; set; }
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bool isCanceled;
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public IActivity Tick(Actor self)
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{
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if (isCanceled)
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return NextActivity;
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var unit = self.traits.Get<Unit>();
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if (unit.Altitude != CruiseAltitude)
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{
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unit.Altitude += Math.Sign(CruiseAltitude - unit.Altitude);
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return this;
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}
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var dist = Dest - self.CenterLocation;
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if (float2.WithinEpsilon(float2.Zero, dist, 2))
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{
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self.CenterLocation = Dest;
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self.Location = ((1 / 24f) * self.CenterLocation).ToInt2();
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return NextActivity;
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}
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var desiredFacing = Util.GetFacing(dist, unit.Facing);
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Util.TickFacing(ref unit.Facing, desiredFacing, self.LegacyInfo.ROT);
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var rawSpeed = .2f * Util.GetEffectiveSpeed(self);
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self.CenterLocation += (rawSpeed / dist.Length) * dist;
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self.Location = ((1 / 24f) * self.CenterLocation).ToInt2();
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return this;
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}
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public void Cancel(Actor self) { isCanceled = true; NextActivity = null; }
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}
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}
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