[Add] FishNet

Assets/FishNet/Runtime/Observing/Conditions/SceneCondition.cs

@@ -0,0 +1,37 @@
+using FishNet.Connection;
+using FishNet.Observing;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+namespace FishNet.Component.Observing
+{
+    /// <summary>
+    /// When this observer condition is placed on an object, a client must be within the same scene to view the object.
+    /// </summary>
+    [CreateAssetMenu(menuName = "FishNet/Observers/Scene Condition", fileName = "New Scene Condition")]
+    public class SceneCondition : 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>
+        public override bool ConditionMet(NetworkConnection connection, bool currentlyAdded, out bool notProcessed)
+        {
+            notProcessed = false;
+
+            if (NetworkObject == null || connection == null)
+                return false;
+            /* When there is no owner only then is the gameobject
+             * scene checked. That's the only way to know at this point. */
+            return connection.Scenes.Contains(NetworkObject.gameObject.scene);
+        }
+
+        /// <summary>
+        /// How a condition is handled.
+        /// </summary>
+        /// <returns></returns>
+        public override ObserverConditionType GetConditionType() => ObserverConditionType.Normal;
+    }
+}