Anomalies (#13371)

Content.Shared/Anomaly/Effects/SharedGravityAnomalySystem.cs

@@ -0,0 +1,65 @@
+using System.Linq;
+using Content.Shared.Anomaly.Components;
+using Content.Shared.Anomaly.Effects.Components;
+using Content.Shared.Construction.Components;
+using Content.Shared.Construction.EntitySystems;
+using Content.Shared.Throwing;
+using Robust.Shared.Map;
+
+namespace Content.Shared.Anomaly.Effects;
+
+public abstract class SharedGravityAnomalySystem : EntitySystem
+{
+    [Dependency] private readonly IMapManager _map = default!;
+    [Dependency] private readonly EntityLookupSystem _lookup = default!;
+    [Dependency] private readonly SharedAnchorableSystem _anchorable = default!;
+    [Dependency] private readonly ThrowingSystem _throwing = default!;
+    [Dependency] private readonly SharedTransformSystem _xform = default!;
+
+    /// <inheritdoc/>
+    public override void Initialize()
+    {
+        SubscribeLocalEvent<GravityAnomalyComponent, AnomalyPulseEvent>(OnAnomalyPulse);
+        SubscribeLocalEvent<GravityAnomalyComponent, AnomalySupercriticalEvent>(OnSupercritical);
+    }
+
+    private void OnAnomalyPulse(EntityUid uid, GravityAnomalyComponent component, ref AnomalyPulseEvent args)
+    {
+        var xform = Transform(uid);
+        var range = component.MaxThrowRange * args.Severity;
+        var strength = component.MaxThrowStrength * args.Severity;
+        var lookup = _lookup.GetEntitiesInRange(uid, range, LookupFlags.Dynamic | LookupFlags.Sundries);
+        foreach (var ent in lookup)
+        {
+            var tempXform = Transform(ent);
+
+            var foo = tempXform.MapPosition.Position - xform.MapPosition.Position;
+            _throwing.TryThrow(ent, foo.Normalized * 10, strength, uid, 0);
+        }
+    }
+
+    private void OnSupercritical(EntityUid uid, GravityAnomalyComponent component, ref AnomalySupercriticalEvent args)
+    {
+        var xform = Transform(uid);
+        if (!_map.TryGetGrid(xform.GridUid, out var grid))
+            return;
+
+        var worldPos = _xform.GetWorldPosition(xform);
+        var tileref = grid.GetTilesIntersecting(new Circle(worldPos, component.SpaceRange)).ToArray();
+        var tiles = tileref.Select(t => (t.GridIndices, Tile.Empty)).ToList();
+        grid.SetTiles(tiles);
+
+        var range = component.MaxThrowRange * 2;
+        var strength = component.MaxThrowStrength * 2;
+        var lookup = _lookup.GetEntitiesInRange(uid, range, LookupFlags.Dynamic | LookupFlags.Sundries);
+        foreach (var ent in lookup)
+        {
+            var tempXform = Transform(ent);
+
+            var foo = tempXform.MapPosition.Position - xform.MapPosition.Position;
+            Logger.Debug($"{ToPrettyString(ent)}: {foo}: {foo.Normalized}: {foo.Normalized * 10}");
+            _throwing.TryThrow(ent, foo * 5, strength, uid, 0);
+        }
+    }
+}
+