Files
OpenRA/OpenRa.Game/Traits/Activities/HeliReturn.cs
2010-01-31 01:27:50 +13:00

49 lines
1.3 KiB
C#

using System.Linq;
namespace OpenRa.Traits.Activities
{
class HeliReturn : IActivity
{
public IActivity NextActivity { get; set; }
bool isCanceled;
static Actor ChooseHelipad(Actor self)
{
return self.World.Queries.OwnedBy[self.Owner].FirstOrDefault(
a => a.Info.Name == "hpad" &&
!Reservable.IsReserved(a));
}
public IActivity Tick(Actor self)
{
if (isCanceled) return NextActivity;
var dest = ChooseHelipad(self);
var initialFacing = self.Info.Traits.Get<UnitInfo>().InitialFacing;
if (dest == null)
return Util.SequenceActivities(
new Turn(initialFacing),
new HeliLand(true),
NextActivity);
var res = dest.traits.GetOrDefault<Reservable>();
if (res != null)
self.traits.Get<Helicopter>().reservation = res.Reserve(self);
var pi = dest.Info.Traits.GetOrDefault<ProductionInfo>();
var offset = pi != null ? pi.SpawnOffset : null;
var offsetVec = offset != null ? new float2(offset[0], offset[1]) : float2.Zero;
return Util.SequenceActivities(
new HeliFly(dest.CenterLocation + offsetVec),
new Turn(initialFacing),
new HeliLand(false),
new Rearm(),
NextActivity);
}
public void Cancel(Actor self) { isCanceled = true; NextActivity = null; }
}
}