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Assets/Mirror/Examples/BenchmarkIdle/Npc.cs

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+// idle object that rarely gets dirty
+using UnityEngine;
+
+namespace Mirror.Examples.BenchmarkIdle
+{
+    public class Npc : NetworkBehaviour
+    {
+        // component to assign in inspector
+        public Renderer rend;
+
+        // the value to set dirty
+        [SyncVar] ulong value;
+
+        [Tooltip("Probability that this object just sleeps the whole time without ever getting dirty. (Npcs, Item drops, etc.)")]
+        [Range(0, 1)] public float sleepingProbability = 0.80f; // 80% of the objects are sleeping
+        bool sleeping;
+
+        [Header("Colors")]
+        public Color activeColor = Color.white;
+        public Color sleepingColor = Color.red;
+
+        public override void OnStartServer()
+        {
+            sleeping = Random.value < sleepingProbability;
+
+            // color coding
+            // can't do this in update, it's too expensive
+            rend.material.color = sleeping ? sleepingColor : activeColor;
+        }
+
+        [ServerCallback]
+        void Update()
+        {
+            // set dirty if not sleeping.
+            // only counts as dirty every 'syncInterval'.
+            if (!sleeping) ++value;
+        }
+    }
+}