- add: TelefragSystem. (#333)

Content.Shared/Ninja/Systems/DashAbilitySystem.cs

@@ -1,3 +1,4 @@
+using Content.Shared._White.BetrayalDagger;
 using Content.Shared.Actions;
 using Content.Shared.Charges.Components;
 using Content.Shared.Charges.Systems;
@@ -24,6 +25,7 @@ public sealed class DashAbilitySystem : EntitySystem
     [Dependency] private readonly SharedPopupSystem _popup = default!;
     [Dependency] private readonly SharedTransformSystem _transform = default!;
     [Dependency] private readonly ActionContainerSystem _actionContainer = default!;
+    [Dependency] private readonly TelefragSystem _telefrag = default!; // WD
 
     public override void Initialize()
     {
@@ -90,6 +92,7 @@ public sealed class DashAbilitySystem : EntitySystem
             return;
         }
 
+        _telefrag.Telefrag(args.Target, user);
         _transform.SetCoordinates(user, args.Target);
         _transform.AttachToGridOrMap(user);
         _audio.PlayPredicted(comp.BlinkSound, user, user);

Content.Shared/_White/BetrayalDagger/TelefragSystem.cs

@@ -0,0 +1,24 @@
+using System.Linq;
+using Content.Shared.Standing;
+using Content.Shared.Standing.Systems;
+using Content.Shared.StatusEffect;
+using Robust.Shared.Map;
+
+namespace Content.Shared._White.BetrayalDagger;
+
+public sealed class TelefragSystem : EntitySystem
+{
+    [Dependency] private readonly EntityLookupSystem _lookup = default!;
+    [Dependency] private readonly SharedStandingStateSystem _standingState = default!;
+
+    public void Telefrag(EntityCoordinates coords, EntityUid user, float range = 0.2f)
+    {
+        var ents = new HashSet<Entity<StandingStateComponent>>();
+        _lookup.GetEntitiesInRange(coords, range, ents);
+
+        foreach (var ent in ents.Where(ent => ent.Owner != user))
+        {
+            _standingState.TryLieDown(ent, ent, true);
+        }
+    }
+}