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Packages/com.firstgeargames.fishnet/Runtime/Observing/Conditions/GridCondition/GridCondition.cs

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+using FishNet.Connection;
+using FishNet.Object;
+using FishNet.Observing;
+using System.Collections.Generic;
+using System.Runtime.CompilerServices;
+using UnityEngine;
+
+namespace FishNet.Component.Observing
+{
+    /// <summary>
+    /// When this observer condition is placed on an object, a client must be within the specified grid accuracy to view the object.
+    /// </summary>
+    [CreateAssetMenu(menuName = "FishNet/Observers/Grid Condition", fileName = "New Grid Condition")]
+    public class GridCondition : ObserverCondition
+    {        
+        /// <summary>
+        /// Returns if the object which this condition resides should be visible to connection.
+        /// </summary>
+        /// <param name="connection">Connection which the condition is being checked for.</param>
+        /// <param name="currentlyAdded">True if the connection currently has visibility of this object.</param>
+        /// <param name="notProcessed">True if the condition was not processed. This can be used to skip processing for performance. While output as true this condition result assumes the previous ConditionMet value.</param>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public override bool ConditionMet(NetworkConnection connection, bool currentlyAdded, out bool notProcessed)
+        {
+            //If here then checks are being processed.
+            notProcessed = false;
+
+            return connection.HashGridEntry.NearbyEntries.Contains(base.NetworkObject.HashGridEntry);
+        }
+
+        /// <summary>
+        /// How a condition is handled.
+        /// </summary>
+        /// <returns></returns>
+        public override ObserverConditionType GetConditionType() => ObserverConditionType.Timed;
+
+
+        /// <summary>
+        /// Clones referenced ObserverCondition. This must be populated with your conditions settings.
+        /// </summary>
+        /// <returns></returns>
+        public override ObserverCondition Clone()
+        {
+            GridCondition copy = ScriptableObject.CreateInstance<GridCondition>();
+            return copy;
+        }
+    }
+}