Revert 'Revert 'Solution Entities'' (#23168)

Content.Shared/Chemistry/Components/SolutionComponent.cs

@@ -0,0 +1,22 @@
+using Content.Shared.Chemistry.Components.SolutionManager;
+using Content.Shared.Materials;
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Chemistry.Components;
+
+/// <summary>
+/// <para>Holds the composition of an entity made from reagents and its reagent temperature.</para>
+/// <para>If the entity is used to represent a collection of reagents inside of a container such as a beaker, syringe, bloodstream, food, or similar the entity is tracked by a <see cref="SolutionContainerManagerComponent"/> on the container and has a <see cref="ContainedSolutionComponent"/> tracking which container it's in.</para>
+/// </summary>
+/// <remarks>
+/// <para>Once reagents and materials have been merged this component should be depricated in favor of using a combination of <see cref="PhysicalCompositionComponent"/> and <see cref="Content.Server.Temperature.Components.TemperatureComponent"/>. May require minor reworks to both.</para>
+/// </remarks>
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
+public sealed partial class SolutionComponent : Component
+{
+    /// <summary>
+    /// <para>The reagents the entity is composed of and their temperature.</para>
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public Solution Solution = new();
+}