Files
OpenRA/OpenRA.Mods.Common/Warheads/TargetDamageWarhead.cs
reaperrr 9dcba8710b Add turret-linking support to HitShape
Allows to link a HitShape to the
position and facing of a turret.
2020-01-25 13:38:35 +01:00

53 lines
1.8 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2020 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 System.Collections.Generic;
using System.Linq;
using OpenRA.Mods.Common.Traits;
using OpenRA.Primitives;
using OpenRA.Traits;
namespace OpenRA.Mods.Common.Warheads
{
public class TargetDamageWarhead : DamageWarhead
{
[Desc("Damage will be applied to actors in this area. A value of zero means only targeted actor will be damaged.")]
public readonly WDist Spread = WDist.Zero;
public override void DoImpact(WPos pos, Actor firedBy, IEnumerable<int> damageModifiers)
{
if (Spread == WDist.Zero)
return;
var debugVis = firedBy.World.WorldActor.TraitOrDefault<DebugVisualizations>();
if (debugVis != null && debugVis.CombatGeometry)
firedBy.World.WorldActor.Trait<WarheadDebugOverlay>().AddImpact(pos, new[] { WDist.Zero, Spread }, DebugOverlayColor);
foreach (var victim in firedBy.World.FindActorsOnCircle(pos, Spread))
{
if (!IsValidAgainst(victim, firedBy))
continue;
var closestActiveShape = victim.TraitsImplementing<HitShape>()
.Where(Exts.IsTraitEnabled)
.Select(s => Pair.New(s, s.DistanceFromEdge(victim, pos)))
.MinByOrDefault(s => s.Second);
// Cannot be damaged without an active HitShape or if HitShape is outside Spread
if (closestActiveShape.First == null || closestActiveShape.Second > Spread)
continue;
InflictDamage(victim, firedBy, closestActiveShape.First.Info, damageModifiers);
}
}
}
}