119 lines
3.4 KiB
C#
119 lines
3.4 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
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* This file is part of OpenRA.
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*
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* OpenRA is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* OpenRA is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
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*/
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#endregion
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using System.Collections.Generic;
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using System.Linq;
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using OpenRA.GameRules;
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using OpenRA.Traits;
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namespace OpenRA.Traits
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{
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public class MobileAirInfo : MobileInfo
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{
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public readonly int CruiseAltitude = 20;
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public readonly float InstabilityMagnitude = 2.0f;
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public readonly int InstabilityTicks = 5;
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public readonly bool LandWhenIdle = true;
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public override object Create(ActorInitializer init) { return new MobileAir(init, this); }
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}
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public class MobileAir : Mobile, ITick, IOccupyAir
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{
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MobileAirInfo Info;
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public MobileAir (ActorInitializer init, MobileAirInfo info)
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: base(init, info)
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{
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Info = info;
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}
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public override void AddInfluence()
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{
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self.World.WorldActor.traits.Get<AircraftInfluence>().Add( self, this );
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}
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public override void RemoveInfluence()
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{
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self.World.WorldActor.traits.Get<AircraftInfluence>().Remove( self, this );
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}
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public override bool CanEnterCell(int2 p, Actor ignoreBuilding, bool checkTransientActors)
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{
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if (!checkTransientActors)
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return true;
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return self.World.WorldActor.traits.Get<AircraftInfluence>().GetUnitsAt(p).Count() == 0;
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}
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public override float MovementCostForCell(Actor self, int2 cell)
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{
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if (!self.World.Map.IsInMap(cell.X,cell.Y))
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return float.PositiveInfinity;
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return self.World.WorldActor.traits.WithInterface<ICustomTerrain>().Aggregate(1f, (a, x) => a * x.GetCost(cell,self));
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}
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public override float MovementSpeedForCell(Actor self, int2 cell)
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{
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var unitInfo = self.Info.Traits.GetOrDefault<UnitInfo>();
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if( unitInfo == null || !self.World.Map.IsInMap(cell.X,cell.Y))
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return 0f;
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var modifier = self.traits
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.WithInterface<ISpeedModifier>()
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.Select(t => t.GetSpeedModifier())
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.Product();
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return unitInfo.Speed * modifier;
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}
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public override IEnumerable<int2> OccupiedCells()
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{
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// Todo: do the right thing when landed
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return new int2[] {};
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}
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public IEnumerable<int2> OccupiedAirCells()
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{
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return (fromCell == toCell)
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? new[] { fromCell }
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: CanEnterCell(toCell)
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? new[] { toCell }
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: new[] { fromCell, toCell };
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}
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int offsetTicks = 0;
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public void Tick(Actor self)
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{
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var unit = self.traits.Get<Unit>();
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//if (unit.Altitude <= 0)
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// return;
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if (unit.Altitude < Info.CruiseAltitude)
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unit.Altitude++;
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if (--offsetTicks <= 0)
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{
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self.CenterLocation += Info.InstabilityMagnitude * self.World.SharedRandom.Gauss2D(5);
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unit.Altitude += (int)(Info.InstabilityMagnitude * self.World.SharedRandom.Gauss1D(5));
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offsetTicks = Info.InstabilityTicks;
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}
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}
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}
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} |