0c2666b97e
Removed some redundant parameters, some redundant overloads and made Land always consider LandAltitude relative to target.
109 lines
3.1 KiB
C#
109 lines
3.1 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;
|
|
readonly WVec offset;
|
|
|
|
bool landingInitiated;
|
|
bool soundPlayed;
|
|
|
|
public Land(Actor self, Target t, WVec offset)
|
|
{
|
|
target = t;
|
|
aircraft = self.Trait<Aircraft>();
|
|
this.offset = offset;
|
|
}
|
|
|
|
public Land(Actor self, Target t)
|
|
: this(self, t, WVec.Zero) { }
|
|
|
|
public Land(Actor self)
|
|
: this(self, Target.FromPos(Aircraft.GroundPosition(self)), WVec.Zero) { }
|
|
|
|
public override Activity Tick(Actor self)
|
|
{
|
|
if (ChildActivity != null)
|
|
{
|
|
ChildActivity = ActivityUtils.RunActivity(self, ChildActivity);
|
|
if (ChildActivity != null)
|
|
return this;
|
|
}
|
|
|
|
if (IsCanceling || target.Type == TargetType.Invalid)
|
|
{
|
|
aircraft.RemoveInfluence();
|
|
return NextActivity;
|
|
}
|
|
|
|
if (!landingInitiated)
|
|
{
|
|
var landingCell = !aircraft.Info.VTOL ? self.World.Map.CellContaining(target.CenterPosition + offset) : self.Location;
|
|
if (!aircraft.CanLand(landingCell, target.Actor))
|
|
{
|
|
// Maintain holding pattern.
|
|
if (!aircraft.Info.CanHover)
|
|
QueueChild(self, new FlyCircle(self, 25), true);
|
|
|
|
self.NotifyBlocker(landingCell);
|
|
return this;
|
|
}
|
|
|
|
aircraft.AddInfluence(landingCell);
|
|
aircraft.EnteringCell(self);
|
|
landingInitiated = true;
|
|
}
|
|
|
|
var altitude = self.World.Map.DistanceAboveTerrain(self.CenterPosition);
|
|
var landAltitude = self.World.Map.DistanceAboveTerrain(target.CenterPosition + offset) + aircraft.LandAltitude;
|
|
|
|
if (!soundPlayed && aircraft.Info.LandingSounds.Length > 0 && altitude != landAltitude)
|
|
{
|
|
Game.Sound.Play(SoundType.World, aircraft.Info.LandingSounds, self.World, aircraft.CenterPosition);
|
|
soundPlayed = true;
|
|
}
|
|
|
|
// For VTOLs we assume we've already arrived at the target location and just need to move downward
|
|
if (aircraft.Info.VTOL)
|
|
{
|
|
if (HeliFly.AdjustAltitude(self, aircraft, landAltitude))
|
|
return this;
|
|
|
|
return NextActivity;
|
|
}
|
|
|
|
var d = (target.CenterPosition + offset) - self.CenterPosition;
|
|
|
|
// The next move would overshoot, so just set the final position
|
|
var move = aircraft.FlyStep(aircraft.Facing);
|
|
if (d.HorizontalLengthSquared < move.HorizontalLengthSquared)
|
|
{
|
|
var landingAltVec = new WVec(WDist.Zero, WDist.Zero, aircraft.LandAltitude);
|
|
aircraft.SetPosition(self, target.CenterPosition + offset + landingAltVec);
|
|
return NextActivity;
|
|
}
|
|
|
|
var landingAlt = self.World.Map.DistanceAboveTerrain(target.CenterPosition + offset) + aircraft.LandAltitude;
|
|
Fly.FlyToward(self, aircraft, d.Yaw.Facing, landingAlt);
|
|
|
|
return this;
|
|
}
|
|
}
|
|
}
|