Guardians (Holoparasites) (#5140)

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>
Co-authored-by: Leon Friedrich <60421075+ElectroJr@users.noreply.github.com>
Co-authored-by: Metal Gear Sloth <metalgearsloth@gmail.com>

Content.Server/Guardian/GuardianCreatorComponent.cs

@@ -0,0 +1,39 @@
+using Robust.Shared.GameObjects;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+using Robust.Shared.ViewVariables;
+
+namespace Content.Server.Guardian
+{
+    /// <summary>
+    /// Creates a GuardianComponent attached to the user's GuardianHost.
+    /// </summary>
+    [RegisterComponent]
+    [ComponentProtoName("GuardianCreator")]
+    public sealed class GuardianCreatorComponent : Component
+    {
+        /// <summary>
+        /// Counts as spent upon exhausting the injection
+        /// </summary>
+        /// <remarks>
+        /// We don't mark as deleted as examine depends on this.
+        /// </remarks>
+        public bool Used = false;
+
+        /// <summary>
+        /// The prototype of the guardian entity which will be created
+        /// </summary>
+        [ViewVariables]
+        [DataField("guardianProto", customTypeSerializer:typeof(PrototypeIdSerializer<EntityPrototype>), required: true)]
+        public string GuardianProto { get; set; } = default!;
+
+        /// <summary>
+        /// How long it takes to inject someone.
+        /// </summary>
+        [DataField("delay")]
+        public float InjectionDelay = 5f;
+
+        public bool Injecting = false;
+    }
+}