diff --git a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj index b4dc3ae87c..9d7c5e8589 100644 --- a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj +++ b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj @@ -147,6 +147,7 @@ + diff --git a/OpenRA.Mods.Common/Projectiles/InstantHit.cs b/OpenRA.Mods.Common/Projectiles/InstantHit.cs new file mode 100644 index 0000000000..ee4eb1ae15 --- /dev/null +++ b/OpenRA.Mods.Common/Projectiles/InstantHit.cs @@ -0,0 +1,85 @@ +#region Copyright & License Information +/* + * Copyright 2007-2017 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 OpenRA.GameRules; +using OpenRA.Graphics; +using OpenRA.Mods.Common.Traits; +using OpenRA.Traits; + +namespace OpenRA.Mods.Common.Projectiles +{ + [Desc("Simple invisible direct on target projectile.")] + public class InstantHitInfo : IProjectileInfo + { + [Desc("Maximum offset at the maximum range.")] + public readonly WDist Inaccuracy = WDist.Zero; + + [Desc("Projectile can be blocked.")] + public readonly bool Blockable = false; + + [Desc("The width of the projectile.")] + public readonly WDist Width = new WDist(1); + + [Desc("Extra search radius beyond projectile width. Required to ensure affecting actors with large health radius.")] + public readonly WDist TargetExtraSearchRadius = new WDist(1536); + + public IProjectile Create(ProjectileArgs args) { return new InstantHit(this, args); } + } + + public class InstantHit : IProjectile + { + readonly ProjectileArgs args; + readonly InstantHitInfo info; + + bool doneDamage; + WPos target; + WPos source; + + public InstantHit(InstantHitInfo info, ProjectileArgs args) + { + this.args = args; + this.info = info; + target = args.PassiveTarget; + source = args.Source; + } + + public void Tick(World world) + { + // Check for blocking actors + WPos blockedPos; + if (info.Blockable && BlocksProjectiles.AnyBlockingActorsBetween(world, source, target, + info.Width, info.TargetExtraSearchRadius, out blockedPos)) + { + target = blockedPos; + } + + if (info.Inaccuracy.Length > 0) + { + var inaccuracy = OpenRA.Mods.Common.Util.ApplyPercentageModifiers(info.Inaccuracy.Length, args.InaccuracyModifiers); + var maxOffset = inaccuracy * (target - source).Length / args.Weapon.Range.Length; + target += WVec.FromPDF(args.SourceActor.World.SharedRandom, 2) * maxOffset / 1024; + } + + if (!doneDamage) + { + args.Weapon.Impact(Target.FromPos(target), args.SourceActor, args.DamageModifiers); + doneDamage = true; + world.AddFrameEndTask(w => w.Remove(this)); + } + } + + public IEnumerable Render(WorldRenderer wr) + { + yield break; + } + } +}