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new heli movement

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This commit is contained in:
Chris Forbes
2009-12-29 20:47:06 +13:00
parent cea2091504
commit 8fc8d0d9c7
5 changed files with 92 additions and 65 deletions
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70
OpenRa.Game/Traits/Helicopter.cs
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@@ -1,19 +1,13 @@
using System;
using System.Linq;
using OpenRa.Game.GameRules;
using OpenRa.Game.Traits.Activities;
namespace OpenRa.Game.Traits
{
class Helicopter : ITick, IOrder, IMovement
class Helicopter : IOrder, IMovement
{
public int2 targetLocation;
const int CruiseAltitude = 20;
public Helicopter(Actor self)
{
targetLocation = self.Location;
}
public Helicopter(Actor self) {}
public Order IssueOrder(Actor self, int2 xy, MouseInput mi, Actor underCursor)
{
@@ -27,61 +21,15 @@ namespace OpenRa.Game.Traits
public void ResolveOrder( Actor self, Order order )
{
if( order.OrderString == "Move" )
if (order.OrderString == "Move")
{
targetLocation = order.TargetLocation;
var attackBase = self.traits.WithInterface<AttackBase>().FirstOrDefault();
if( attackBase != null )
attackBase.target = null; /* move cancels attack order */
self.CancelActivity();
self.QueueActivity(new HeliFly(Util.CenterOfCell(order.TargetLocation)));
self.QueueActivity(new HeliLand(true));
}
}
public void Tick(Actor self)
{
var unit = self.traits.Get<Unit>();
if (self.Location != targetLocation)
{
var dist = Util.CenterOfCell(targetLocation) - self.CenterLocation;
var desiredFacing = Util.GetFacing(dist, unit.Facing);
Util.TickFacing(ref unit.Facing, desiredFacing,
self.Info.ROT);
var rawSpeed = .2f * Util.GetEffectiveSpeed(self);
var angle = (unit.Facing - desiredFacing) / 128f * Math.PI;
var scale = .4f + .6f * (float)Math.Cos(angle);
if (unit.Altitude > CruiseAltitude / 2) // do some movement.
{
self.CenterLocation += (rawSpeed * scale / dist.Length) * dist;
self.CenterLocation += (1f - scale) * rawSpeed
* float2.FromAngle((float)angle);
self.Location = ((1 / 24f) * self.CenterLocation).ToInt2();
}
if (unit.Altitude < CruiseAltitude)
{
++unit.Altitude;
return;
}
}
else if (unit.Altitude > 0 &&
Game.IsCellBuildable( self.Location, UnitMovementType.Foot ))
{
--unit.Altitude;
}
/* todo: bob slightly when hovering */
}
public UnitMovementType GetMovementType()
{
return UnitMovementType.Fly;
}
public bool CanEnterCell(int2 location)
{
return true; // Planes can go anywhere (?)
}
public UnitMovementType GetMovementType() { return UnitMovementType.Fly; }
public bool CanEnterCell(int2 location) { return true; }
}
}