139 lines
3.5 KiB
C#
Executable File
139 lines
3.5 KiB
C#
Executable File
#region Copyright & License Information
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/*
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* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System.Drawing;
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using System.Linq;
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using OpenRA.Mods.RA.Activities;
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using OpenRA.Traits;
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namespace OpenRA.Mods.RA.Air
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{
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class HelicopterInfo : AircraftInfo
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{
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public readonly int IdealSeparation = 40;
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public readonly bool LandWhenIdle = true;
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public override object Create( ActorInitializer init ) { return new Helicopter( init, this); }
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}
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class Helicopter : Aircraft, ITick, IResolveOrder
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{
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HelicopterInfo Info;
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bool firstTick = true;
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public Helicopter( ActorInitializer init, HelicopterInfo info) : base( init, info )
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{
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Info = info;
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}
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public void ResolveOrder(Actor self, Order order)
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{
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if (reservation != null)
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{
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reservation.Dispose();
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reservation = null;
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}
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if (order.OrderString == "Move")
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{
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var target = self.World.ClampToWorld(order.TargetLocation);
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self.SetTargetLine(Target.FromCell(target), Color.Green);
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self.CancelActivity();
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self.QueueActivity(new HeliFly(Util.CenterOfCell(target)));
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if (Info.LandWhenIdle)
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{
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self.QueueActivity(new Turn(Info.InitialFacing));
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self.QueueActivity(new HeliLand(true));
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}
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}
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if (order.OrderString == "Enter")
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{
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if (Reservable.IsReserved(order.TargetActor)) return;
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var res = order.TargetActor.TraitOrDefault<Reservable>();
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if (res != null)
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reservation = res.Reserve(order.TargetActor, self, this);
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var exit = order.TargetActor.Info.Traits.WithInterface<ExitInfo>().FirstOrDefault();
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var offset = exit != null ? exit.SpawnOffset : int2.Zero;
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self.SetTargetLine(Target.FromActor(order.TargetActor), Color.Green);
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self.CancelActivity();
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self.QueueActivity(new HeliFly(order.TargetActor.Trait<IHasLocation>().PxPosition + offset));
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self.QueueActivity(new Turn(Info.InitialFacing));
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self.QueueActivity(new HeliLand(false));
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QueueResupplyActivities(order.TargetActor);
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}
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if (order.OrderString == "ReturnToBase")
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{
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self.CancelActivity();
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self.QueueActivity( new HeliReturn() );
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}
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if (order.OrderString == "Stop")
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{
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self.CancelActivity();
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if (Info.LandWhenIdle)
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{
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self.QueueActivity(new Turn(Info.InitialFacing));
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self.QueueActivity(new HeliLand(true));
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}
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}
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}
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public void Tick(Actor self)
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{
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if (firstTick)
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{
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firstTick = false;
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ReserveSpawnBuilding();
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}
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var aircraft = self.Trait<Aircraft>();
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if (aircraft.Altitude <= 0)
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return;
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var otherHelis = self.World.FindUnitsInCircle(self.CenterLocation, Info.IdealSeparation)
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.Where(a => a.HasTrait<Helicopter>());
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var f = otherHelis
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.Select(h => GetRepulseForce(self, h))
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.Aggregate(int2.Zero, (a, b) => a + b);
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int RepulsionFacing = Util.GetFacing( f, -1 );
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if( RepulsionFacing != -1 )
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aircraft.TickMove( 1024 * aircraft.MovementSpeed, RepulsionFacing );
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}
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// Returns an int2 in subPx units
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public int2 GetRepulseForce(Actor self, Actor h)
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{
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if (self == h)
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return int2.Zero;
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if( h.Trait<Helicopter>().Altitude < Altitude )
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return int2.Zero;
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var d = self.CenterLocation - h.CenterLocation;
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if (d.Length > Info.IdealSeparation)
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return int2.Zero;
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if (d.LengthSquared < 1)
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return Util.SubPxVector[self.World.SharedRandom.Next(255)];
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return (5120 / d.LengthSquared) * d;
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}
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}
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}
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