Gravity well improvements (#35027)

* Gravity well improvements

- Fixed persistence
- Removed dummy fields
- Performance

* Update Content.Server/Singularity/Components/GravityWellComponent.cs

---------

Co-authored-by: slarticodefast <161409025+slarticodefast@users.noreply.github.com>

Content.Server/Singularity/Components/GravityWellComponent.cs

@@ -7,22 +7,20 @@ namespace Content.Server.Singularity.Components;
 /// The server-side version of <see cref="SharedGravityWellComponent"/>.
 /// Primarily managed by <see cref="GravityWellSystem"/>.
 /// </summary>
-[RegisterComponent]
+[RegisterComponent, AutoGenerateComponentPause]
 public sealed partial class GravityWellComponent : Component
 {
     /// <summary>
     /// The maximum range at which the gravity well can push/pull entities.
     /// </summary>
-    [DataField("maxRange")]
-    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField]
     public float MaxRange;
 
     /// <summary>
     /// The minimum range at which the gravity well can push/pull entities.
     /// This is effectively hardfloored at <see cref="GravityWellSystem.MinGravPulseRange"/>.
     /// </summary>
-    [DataField("minRange")]
-    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField]
     public float MinRange = 0f;
 
     /// <summary>
@@ -30,8 +28,7 @@ public sealed partial class GravityWellComponent : Component
     /// Negative values accelerate entities away from the gravity well.
     /// Actual acceleration scales with the inverse of the distance to the singularity.
     /// </summary>
-    [DataField("baseRadialAcceleration")]
-    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField]
     public float BaseRadialAcceleration = 0.0f;
 
     /// <summary>
@@ -39,8 +36,7 @@ public sealed partial class GravityWellComponent : Component
     /// Positive tangential acceleration is counter-clockwise.
     /// Actual acceleration scales with the inverse of the distance to the singularity.
     /// </summary>
-    [DataField("baseTangentialAcceleration")]
-    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField]
     public float BaseTangentialAcceleration = 0.0f;
 
     #region Update Timing
@@ -56,16 +52,14 @@ public sealed partial class GravityWellComponent : Component
     /// <summary>
     /// The next time at which this gravity well should pulse.
     /// </summary>
-    [ViewVariables(VVAccess.ReadOnly)]
-    [Access(typeof(GravityWellSystem))]
+    [DataField, Access(typeof(GravityWellSystem)), AutoPausedField]
     public TimeSpan NextPulseTime { get; internal set; } = default!;
 
     /// <summary>
     /// The last time this gravity well pulsed.
     /// </summary>
     [ViewVariables(VVAccess.ReadOnly)]
-    [Access(typeof(GravityWellSystem))]
-    public TimeSpan LastPulseTime { get; internal set; } = default!;
+    public TimeSpan LastPulseTime => NextPulseTime - TargetPulsePeriod;
 
     #endregion Update Timing
 }