Init

Assets/Scripts/HotUpdate/Main/MirrorRoomTest/MyRoomManager.cs

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+using Mirror;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine;
+
+public class MyRoomManager : NetworkRoomManager
+{
+
+    public static new MyRoomManager singleton => NetworkManager.singleton as MyRoomManager;
+    public override void OnRoomClientSceneChanged()
+    {
+        base.OnRoomClientSceneChanged();
+        if (networkSceneName == GameplayScene)
+        {
+            foreach (MyRoomPlayer player in roomSlots.ToList())
+            {
+                player.model.SetActive(false);
+            }
+        }
+        else if (networkSceneName == RoomScene)
+        {
+                foreach (MyRoomPlayer player in roomSlots.ToList())
+                {
+                    player.model.SetActive(true);
+                }
+            }
+    }
+    public override void OnRoomStopClient()
+    {
+        base.OnRoomStopClient();
+    }
+
+    public override void OnRoomStopServer()
+    {
+        base.OnRoomStopServer();
+    }
+
+    /*
+        This code below is to demonstrate how to do a Start button that only appears for the Host player
+        showStartButton is a local bool that's needed because OnRoomServerPlayersReady is only fired when
+        all players are ready, but if a player cancels their ready state there's no callback to set it back to false
+        Therefore, allPlayersReady is used in combination with showStartButton to show/hide the Start button correctly.
+        Setting showStartButton false when the button is pressed hides it in the game scene since NetworkRoomManager
+        is set as DontDestroyOnLoad = true.
+    */
+
+#if !UNITY_SERVER
+    bool showStartButton;
+#endif
+
+    public override void OnRoomServerPlayersReady()
+    {
+        // calling the base method calls ServerChangeScene as soon as all players are in Ready state.
+        if (Utils.IsHeadless())
+            base.OnRoomServerPlayersReady();
+#if !UNITY_SERVER
+        else
+            showStartButton = true;
+#endif
+    }
+
+#if !UNITY_SERVER
+    public override void OnGUI()
+    {
+        base.OnGUI();
+
+        if (allPlayersReady && showStartButton && GUI.Button(new Rect(150, 300, 120, 20), "START GAME"))
+        {
+            // set to false to hide it in the game scene
+            showStartButton = false;
+
+            ServerChangeScene(GameplayScene);
+        }
+    }
+#endif
+}