Liquid anomaly (#20626)

Co-authored-by: Kara <lunarautomaton6@gmail.com>

Content.Server/Anomaly/Effects/PuddleCreateAnomalySystem.cs

@@ -0,0 +1,39 @@
+using Content.Server.Anomaly.Components;
+using Content.Server.Chemistry.EntitySystems;
+using Content.Shared.Anomaly.Components;
+using Content.Server.Fluids.EntitySystems;
+
+namespace Content.Server.Anomaly.Effects;
+
+/// <summary>
+/// This component allows the anomaly to create puddles from SolutionContainer.
+/// </summary>
+public sealed class PuddleCreateAnomalySystem : EntitySystem
+{
+    [Dependency] private readonly PuddleSystem _puddle = default!;
+    [Dependency] private readonly SolutionContainerSystem _solutionContainer = default!;
+
+    public override void Initialize()
+    {
+        SubscribeLocalEvent<PuddleCreateAnomalyComponent, AnomalyPulseEvent>(OnPulse);
+        SubscribeLocalEvent<PuddleCreateAnomalyComponent, AnomalySupercriticalEvent>(OnSupercritical, before: new[] { typeof(InjectionAnomalySystem) });
+    }
+
+    private void OnPulse(EntityUid uid, PuddleCreateAnomalyComponent component, ref AnomalyPulseEvent args)
+    {
+        if (!_solutionContainer.TryGetSolution(uid, component.Solution, out var sol))
+            return;
+
+        var xform = Transform(uid);
+        var puddleSol = _solutionContainer.SplitSolution(uid, sol, component.MaxPuddleSize * args.Severity);
+        _puddle.TrySplashSpillAt(uid, xform.Coordinates, puddleSol, out _);
+    }
+    private void OnSupercritical(EntityUid uid, PuddleCreateAnomalyComponent component, ref AnomalySupercriticalEvent args)
+    {
+        if (!_solutionContainer.TryGetSolution(uid, component.Solution, out var sol))
+            return;
+        var buffer = sol;
+        var xform = Transform(uid);
+        _puddle.TrySpillAt(xform.Coordinates, buffer, out _);
+    }
+}