Puddles & spreader refactor (#15191)

Content.Server/Chemistry/Components/SmokeDissipateSpawnComponent.cs

@@ -0,0 +1,16 @@
+using Content.Server.Fluids.EntitySystems;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+
+namespace Content.Server.Chemistry.Components;
+
+
+/// <summary>
+/// When a <see cref="SmokeComponent"/> despawns this will spawn another entity in its place.
+/// </summary>
+[RegisterComponent, Access(typeof(SmokeSystem))]
+public sealed class SmokeDissipateSpawnComponent : Component
+{
+    [DataField("prototype", required: true, customTypeSerializer:typeof(PrototypeIdSerializer<EntityPrototype>))]
+    public string Prototype = string.Empty;
+}