62 lines
1.6 KiB
C#
62 lines
1.6 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2019 The OpenRA Developers (see AUTHORS)
|
|
* This file is part of OpenRA, which is free software. It is made
|
|
* available to you 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. For more
|
|
* information, see COPYING.
|
|
*/
|
|
#endregion
|
|
|
|
using OpenRA.Activities;
|
|
using OpenRA.Mods.Common.Traits;
|
|
using OpenRA.Traits;
|
|
|
|
namespace OpenRA.Mods.Common.Activities
|
|
{
|
|
public class Land : Activity
|
|
{
|
|
readonly Target target;
|
|
readonly Aircraft aircraft;
|
|
|
|
bool soundPlayed;
|
|
|
|
public Land(Actor self, Target t)
|
|
{
|
|
target = t;
|
|
aircraft = self.Trait<Aircraft>();
|
|
}
|
|
|
|
public override Activity Tick(Actor self)
|
|
{
|
|
if (!target.IsValidFor(self))
|
|
Cancel(self);
|
|
|
|
if (IsCanceling)
|
|
return NextActivity;
|
|
|
|
if (!soundPlayed && aircraft.Info.LandingSounds.Length > 0 && !self.IsAtGroundLevel())
|
|
{
|
|
Game.Sound.Play(SoundType.World, aircraft.Info.LandingSounds, self.World, aircraft.CenterPosition);
|
|
soundPlayed = true;
|
|
}
|
|
|
|
var d = target.CenterPosition - self.CenterPosition;
|
|
|
|
// The next move would overshoot, so just set the final position
|
|
var move = aircraft.FlyStep(aircraft.Facing);
|
|
if (d.HorizontalLengthSquared < move.HorizontalLengthSquared)
|
|
{
|
|
aircraft.SetPosition(self, target.CenterPosition);
|
|
return NextActivity;
|
|
}
|
|
|
|
var landingAlt = self.World.Map.DistanceAboveTerrain(target.CenterPosition);
|
|
Fly.FlyToward(self, aircraft, d.Yaw.Facing, landingAlt);
|
|
|
|
return this;
|
|
}
|
|
}
|
|
}
|