Files
OpenRA/OpenRA.Mods.RA/Activities/HeliFly.cs

76 lines
2.2 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
* This file is part of OpenRA.
*
* OpenRA is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenRA is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
*/
#endregion
using System;
using OpenRA.GameRules;
using OpenRA.Traits;
using System.Linq;
namespace OpenRA.Mods.RA.Activities
{
class HeliFly : IActivity
{
readonly float2 Dest;
public HeliFly(float2 dest)
{
Dest = dest;
}
public IActivity NextActivity { get; set; }
bool isCanceled;
public IActivity Tick(Actor self)
{
if (isCanceled)
return NextActivity;
var unit = self.traits.Get<Unit>();
var info = self.Info.Traits.Get<HelicopterInfo>();
var aircraft = self.traits.Get<Aircraft>();
if (unit.Altitude != info.CruiseAltitude)
{
unit.Altitude += Math.Sign(info.CruiseAltitude - unit.Altitude);
return this;
}
var dist = Dest - self.CenterLocation;
if (float2.WithinEpsilon(float2.Zero, dist, 2))
{
self.CenterLocation = Dest;
aircraft.Location = ((1 / 24f) * self.CenterLocation).ToInt2();
return NextActivity;
}
var desiredFacing = Util.GetFacing(dist, unit.Facing);
Util.TickFacing(ref unit.Facing, desiredFacing,
self.Info.Traits.Get<UnitInfo>().ROT);
var rawSpeed = .2f * Util.GetEffectiveSpeed(self, UnitMovementType.Fly);
self.CenterLocation += (rawSpeed / dist.Length) * dist;
aircraft.Location = ((1 / 24f) * self.CenterLocation).ToInt2();
return this;
}
public void Cancel(Actor self) { isCanceled = true; NextActivity = null; }
}
}