add hrp ++++ aspect (#587)

Content.Shared/_White/Telescope/SharedTelescopeSystem.cs

@@ -2,6 +2,7 @@ using System.Numerics;
 using Content.Shared.Camera;
 using Content.Shared.Hands;
 using Content.Shared.Hands.Components;
+using Content.Shared.Item;
 using Robust.Shared.Serialization;
 
 namespace Content.Shared._White.Telescope;
@@ -41,19 +42,45 @@ public abstract class SharedTelescopeSystem : EntitySystem
         if (!TryComp(args.User, out EyeComponent? eye))
             return;
 
+        if (!HasComp<ItemComponent>(ent.Owner))
+            return;
+
         SetOffset((args.User, eye), Vector2.Zero, ent);
     }
 
+    public EntityUid GetRightEntity(EntityUid? ent)
+    {
+        var entity = EntityUid.Invalid;
+
+        if (TryComp<HandsComponent>(ent, out var hands) &&
+            HasComp<TelescopeComponent>(hands.ActiveHandEntity) &&
+            hands.ActiveHandEntity.HasValue)
+        {
+            entity = hands.ActiveHandEntity.Value;
+        }
+        else if (HasComp<TelescopeComponent>(ent))
+        {
+            entity = ent.Value;
+        }
+
+        return entity;
+    }
+
     private void OnEyeOffsetChanged(EyeOffsetChangedEvent msg, EntitySessionEventArgs args)
     {
         if (args.SenderSession.AttachedEntity is not { } ent)
             return;
 
-        if (!TryComp<HandsComponent>(ent, out var hands) ||
-            !TryComp<TelescopeComponent>(hands.ActiveHandEntity, out var telescope) ||
-            !TryComp(ent, out EyeComponent? eye))
+        if (!TryComp(ent, out EyeComponent? eye))
             return;
 
+        var entity = GetRightEntity(ent);
+
+        if (entity == EntityUid.Invalid)
+            return;
+
+        var telescope = Comp<TelescopeComponent>(entity);
+
         var offset = Vector2.Lerp(eye.Offset, msg.Offset, telescope.LerpAmount);
 
         SetOffset((ent, eye), offset, telescope);
@@ -71,6 +98,19 @@ public abstract class SharedTelescopeSystem : EntitySystem
         else
             _eye.SetOffset(ent, offset, ent);
     }
+
+    public void SetParameters(Entity<TelescopeComponent> ent, float? divisor = null, float? lerpAmount = null)
+    {
+        var telescope = ent.Comp;
+
+        divisor ??= telescope.Divisor;
+        lerpAmount ??= telescope.LerpAmount;
+
+        telescope.Divisor = divisor.Value;
+        telescope.LerpAmount = lerpAmount.Value;
+
+        Dirty(ent.Owner, telescope);
+    }
 }
 
 [Serializable, NetSerializable]