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Assets/Mirror/Examples/AdditiveLevels/Scripts/Portal.cs

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+using System.Collections;
+using System.IO;
+using System.Text.RegularExpressions;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+namespace Mirror.Examples.AdditiveLevels
+{
+    public class Portal : NetworkBehaviour
+    {
+        [Scene, Tooltip("Which scene to send player from here")]
+        public string destinationScene;
+
+        [Tooltip("Where to spawn player in Destination Scene")]
+        public Vector3 startPosition;
+
+        [Tooltip("Reference to child TextMesh label")]
+        public TextMesh label; // don't depend on TMPro. 2019 errors.
+
+        [SyncVar(hook = nameof(OnLabelTextChanged))]
+        public string labelText;
+
+        public void OnLabelTextChanged(string _, string newValue)
+        {
+            label.text = labelText;
+        }
+
+        public override void OnStartServer()
+        {
+            labelText = Path.GetFileNameWithoutExtension(destinationScene).Replace("MirrorAdditiveLevels", "");
+
+            // Simple Regex to insert spaces before capitals, numbers
+            labelText = Regex.Replace(labelText, @"\B[A-Z0-9]+", " $0");
+        }
+
+        public override void OnStartClient()
+        {
+            if (label.TryGetComponent(out LookAtMainCamera lookAtMainCamera))
+                lookAtMainCamera.enabled = true;
+        }
+
+        // Note that I have created layers called Player(6) and Portal(7) and set them
+        // up in the Physics collision matrix so only Player collides with Portal.
+        void OnTriggerEnter(Collider other)
+        {
+            if (!(other is CapsuleCollider)) return; // ignore CharacterController colliders
+
+            //Debug.Log($"Portal.OnTriggerEnter {other}");
+            // tag check in case you didn't set up the layers and matrix as noted above
+            if (!other.CompareTag("Player")) return;
+
+            // applies to host client on server and remote clients
+            if (other.TryGetComponent(out Common.Controllers.Player.PlayerControllerBase playerController))
+                playerController.enabled = false;
+
+            if (isServer)
+                StartCoroutine(SendPlayerToNewScene(other.gameObject));
+        }
+
+        [ServerCallback]
+        IEnumerator SendPlayerToNewScene(GameObject player)
+        {
+            if (!player.TryGetComponent(out NetworkIdentity identity)) yield break;
+
+            NetworkConnectionToClient conn = identity.connectionToClient;
+            if (conn == null) yield break;
+
+            // Tell client to unload previous subscene with custom handling (see NetworkManager::OnClientChangeScene).
+            conn.Send(new SceneMessage { sceneName = gameObject.scene.path, sceneOperation = SceneOperation.UnloadAdditive, customHandling = true });
+
+            // wait for fader to complete.
+            yield return new WaitForSeconds(AdditiveLevelsNetworkManager.singleton.fadeInOut.GetFadeInTime());
+
+            // Remove player after fader has completed
+            NetworkServer.RemovePlayerForConnection(conn, RemovePlayerOptions.Unspawn);
+
+            // yield a frame allowing interest management to update
+            // and all spawned objects to be destroyed on client
+            yield return null;
+
+            // reposition player on server and client
+            player.transform.position = startPosition;
+
+            // Rotate player to face center of scene
+            // Player is 2m tall with pivot at 0,1,0 so we need to look at
+            // 1m height to not tilt the player down to look at origin
+            player.transform.LookAt(Vector3.up);
+
+            // Move player to new subscene.
+            SceneManager.MoveGameObjectToScene(player, SceneManager.GetSceneByPath(destinationScene));
+
+            // Tell client to load the new subscene with custom handling (see NetworkManager::OnClientChangeScene).
+            conn.Send(new SceneMessage { sceneName = destinationScene, sceneOperation = SceneOperation.LoadAdditive, customHandling = true });
+
+            // Player will be spawned after destination scene is loaded
+            NetworkServer.AddPlayerForConnection(conn, player);
+
+            // host client playerController would have been disabled by OnTriggerEnter above
+            // Remote client players are respawned with playerController already enabled
+            if (NetworkClient.localPlayer != null && NetworkClient.localPlayer.TryGetComponent(out Common.Controllers.Player.PlayerControllerBase playerController))
+                playerController.enabled = true;
+        }
+    }
+}