Pinpointer (#5131)

* Add pinpointer sprites

* Start working on pinpointer

* Updated pinpointer

* Working on visuals

* Working on a pinpointer and eye rotation

* Add client/server pinpointers systems

* Minor cleanup

* Add distance support

* Add nuke tag

* Remove redundant flag and add pinpointer to caps locker

* Disable rotation of pinpointer

* Fixed distance

Co-authored-by: Alexander Evgrashin <evgrashin.adl@gmail.com>

Content.Shared/Pinpointer/PinpointerComponent.cs

@@ -0,0 +1,54 @@
+using System;
+using Content.Shared.Whitelist;
+using Robust.Shared.Analyzers;
+using Robust.Shared.GameObjects;
+using Robust.Shared.GameStates;
+using Robust.Shared.Maths;
+using Robust.Shared.Serialization;
+using Robust.Shared.Serialization.Manager.Attributes;
+
+namespace Content.Shared.Pinpointer
+{
+    [RegisterComponent]
+    [NetworkedComponent]
+    [Friend(typeof(SharedPinpointerSystem))]
+    public class PinpointerComponent : Component
+    {
+        public override string Name => "Pinpointer";
+
+        [DataField("whitelist")]
+        public EntityWhitelist? Whitelist;
+
+        [DataField("mediumDistance")]
+        public float MediumDistance = 16f;
+
+        [DataField("closeDistance")]
+        public float CloseDistance = 8f;
+
+        [DataField("reachedDistance")]
+        public float ReachedDistance = 1f;
+
+        public EntityUid? Target = null;
+        public bool IsActive = false;
+        public Direction DirectionToTarget = Direction.Invalid;
+        public Distance DistanceToTarget = Distance.UNKNOWN;
+    }
+
+    [Serializable, NetSerializable]
+    public sealed class PinpointerComponentState : ComponentState
+    {
+        public bool IsActive;
+        public Direction DirectionToTarget;
+        public Distance DistanceToTarget;
+    }
+
+    [Serializable, NetSerializable]
+    public enum Distance : byte
+    {
+        UNKNOWN,
+        REACHED,
+        CLOSE,
+        MEDIUM,
+        FAR
+    }
+}