72 lines
2.2 KiB
C#
72 lines
2.2 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
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* This file is part of OpenRA.
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*
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* OpenRA is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* OpenRA is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
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*/
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#endregion
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using System;
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using OpenRA.GameRules;
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using OpenRA.Traits;
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namespace OpenRA.Mods.RA.Activities
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{
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public class Land : IActivity
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{
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readonly float2 Pos;
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bool isCanceled;
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Actor Structure;
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public Land(float2 pos) { Pos = pos; }
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public Land(Actor structure) { Structure = structure; Pos = Structure.CenterLocation; }
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public IActivity NextActivity { get; set; }
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public IActivity Tick(Actor self)
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{
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if (Structure != null && Structure.IsDead)
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{
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Structure = null;
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isCanceled = true;
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}
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if (isCanceled) return NextActivity;
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var d = Pos - self.CenterLocation;
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if (d.LengthSquared < 50) /* close enough */
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return NextActivity;
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var unit = self.traits.Get<Unit>();
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var aircraft = self.traits.Get<Aircraft>();
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if (unit.Altitude > 0)
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--unit.Altitude;
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var desiredFacing = Util.GetFacing(d, unit.Facing);
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Util.TickFacing(ref unit.Facing, desiredFacing, self.Info.Traits.Get<UnitInfo>().ROT);
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var speed = .2f * Util.GetEffectiveSpeed(self, UnitMovementType.Fly);
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var angle = unit.Facing / 128f * Math.PI;
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self.CenterLocation += speed * -float2.FromAngle((float)angle);
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aircraft.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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