Re-organize all projects (#4166)

Content.Server/Chemistry/Components/RehydratableComponent.cs

@@ -0,0 +1,57 @@
+#nullable enable
+using Content.Server.Notification;
+using Content.Shared.Chemistry;
+using Content.Shared.Chemistry.Reagent;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Localization;
+using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.ViewVariables;
+
+namespace Content.Server.Chemistry.Components
+{
+    /// <summary>
+    /// Basically, monkey cubes.
+    /// But specifically, this component deletes the entity and spawns in a new entity when the entity is exposed to a given reagent.
+    /// </summary>
+    [RegisterComponent]
+    [ComponentReference(typeof(ISolutionChange))]
+    public class RehydratableComponent : Component, ISolutionChange
+    {
+        public override string Name => "Rehydratable";
+
+        [ViewVariables]
+        [DataField("catalyst")]
+        private string _catalystPrototype = "Water";
+        [ViewVariables]
+        [DataField("target")]
+        private string? _targetPrototype = default!;
+
+        private bool _expanding;
+
+        void ISolutionChange.SolutionChanged(SolutionChangeEventArgs eventArgs)
+        {
+            var solution = eventArgs.Owner.GetComponent<SolutionContainerComponent>();
+            if (solution.Solution.GetReagentQuantity(_catalystPrototype) > ReagentUnit.Zero)
+            {
+                Expand();
+            }
+        }
+
+        // Try not to make this public if you can help it.
+        private void Expand()
+        {
+            if (_expanding)
+            {
+                return;
+            }
+            _expanding = true;
+            Owner.PopupMessageEveryone(Loc.GetString("{0:TheName} expands!", Owner));
+            if (!string.IsNullOrEmpty(_targetPrototype))
+            {
+                var ent = Owner.EntityManager.SpawnEntity(_targetPrototype, Owner.Transform.Coordinates);
+                ent.Transform.AttachToGridOrMap();
+            }
+            Owner.Delete();
+        }
+    }
+}