Add websockets

Assets/Scripts/Other/Endpoints.cs

@@ -1,8 +1,10 @@
 public class Endpoints
 {
     private static readonly string HOST = "games.lncvrt.xyz";
+    private static readonly int WS_PORT = 3342;
     public static readonly string BASE_URL = $"https://{HOST}/api";
     public static readonly string BERRYDASH_ENDPOINT = BASE_URL + "/berrydash";
+    public static readonly string WS_ENDPOINT = $"ws://{HOST}:{WS_PORT}/api/ws";
     public static readonly string LATEST_VERSION_ENDPOINT = BERRYDASH_ENDPOINT + "/latest-version";
     public static readonly string LEADERBOARDS_ENDPOINT = BERRYDASH_ENDPOINT + "/leaderboards";
     public static readonly string LEADERBOARDS_SCORE_ENDPOINT = LEADERBOARDS_ENDPOINT + "/score";

Assets/Scripts/WSMessages.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 651269be0f6324e8aa495c48fc501516
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/WSMessages/ConnectedWithCurrentSceneMessage.cs

@@ -0,0 +1,9 @@
+using System;
+
+[Serializable]
+public class ConnectedWithCurrentSceneMessage
+{
+    public string type = "connected_with_current_scene";
+    public string sceneName;
+    public long timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
+}

Assets/Scripts/WSMessages/ConnectedWithCurrentSceneMessage.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: bc9d79fcdc1a24dcd988203a8fa66d84

Assets/Scripts/WSMessages/RequestInfoMessage.cs

@@ -0,0 +1,9 @@
+using System;
+
+[Serializable]
+public class RequestInfoMessage
+{
+    public string type = "info_request";
+    public string kind;
+    public long timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
+}

Assets/Scripts/WSMessages/RequestInfoMessage.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: c41428221da68496c8489cc51d5a32b4

Assets/Scripts/WSMessages/SceneChangeMessage.cs

@@ -0,0 +1,10 @@
+using System;
+
+[Serializable]
+public class SceneChangeMessage
+{
+    public string type = "scene_change";
+    public string to;
+    public string from;
+    public long timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
+}

Assets/Scripts/WSMessages/SceneChangeMessage.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 3facbfc80cf794283a44832185785aca

Assets/Scripts/WebsocketHandler.cs

@@ -0,0 +1,124 @@
+using MikeSchweitzer.WebSocket;
+using UnityEngine;
+using System.Collections;
+using UnityEngine.SceneManagement;
+
+public class WebsocketHandler : MonoBehaviour
+{
+    public static WebsocketHandler Instance;
+    public WebSocketConnection _Connection;
+
+    private bool isReconnecting = false;
+    private bool intentionalDisconnect = false;
+
+    private static readonly WaitForSeconds _waitForSeconds2 = new(2f);
+    public string lastSceneName = null;
+
+    private void Awake()
+    {
+        if (Instance != null)
+        {
+            Destroy(gameObject);
+            return;
+        }
+
+        Instance = this;
+        DontDestroyOnLoad(gameObject);
+
+        _Connection = gameObject.AddComponent<WebSocketConnection>();
+        _Connection.StateChanged += OnStateChanged;
+        _Connection.ErrorMessageReceived += OnErrorMessageReceived;
+
+        SceneManager.sceneLoaded += OnSceneLoaded;
+
+        Connect();
+    }
+
+    private void OnDestroy()
+    {
+        if (_Connection != null)
+        {
+            _Connection.StateChanged -= OnStateChanged;
+            _Connection.ErrorMessageReceived -= OnErrorMessageReceived;
+        }
+    }
+
+    public void Connect()
+    {
+        intentionalDisconnect = false;
+
+        if (_Connection.State == WebSocketState.Connected || _Connection.State == WebSocketState.Connecting) return;
+
+        _Connection.Connect(Endpoints.WS_ENDPOINT);
+    }
+
+    public void Disconnect()
+    {
+        intentionalDisconnect = true;
+        _Connection.Disconnect();
+    }
+
+    private void OnStateChanged(WebSocketConnection connection, WebSocketState oldState, WebSocketState newState)
+    {
+        Debug.Log($"WS state changed from \"{oldState}\" to \"{newState}\"");
+        if (newState == WebSocketState.Disconnected && !intentionalDisconnect && !isReconnecting)
+        {
+            StartCoroutine(ReconnectWithDelay());
+        }
+        if (newState == WebSocketState.Connected)
+        {
+            var currentSceneName = SceneManager.GetActiveScene().name;
+            ConnectedWithCurrentSceneMessage msg = new()
+            {
+                sceneName = currentSceneName
+            };
+            _Connection.AddOutgoingMessage(JsonUtility.ToJson(msg));
+
+            if (currentSceneName == "ChatroomMenu")
+            {
+                RequestInfoMessage msg2 = new()
+                {
+                    kind = "chatroom_messages"
+                };
+                _Connection.AddOutgoingMessage(JsonUtility.ToJson(msg2));
+            }
+        }
+    }
+
+    private void OnErrorMessageReceived(WebSocketConnection connection, string errorMessage)
+    {
+        Debug.LogError($"WS error {errorMessage}");
+    }
+
+    private IEnumerator ReconnectWithDelay()
+    {
+        isReconnecting = true;
+        yield return _waitForSeconds2;
+        isReconnecting = false;
+        Debug.Log("Trying to connect again");
+        Connect();
+    }
+
+    private void OnSceneLoaded(Scene scene, LoadSceneMode mode)
+    {
+        if (_Connection.State == WebSocketState.Connected)
+        {
+            SceneChangeMessage msg = new()
+            {
+                to = scene.name,
+                from = lastSceneName
+            };
+            _Connection.AddOutgoingMessage(JsonUtility.ToJson(msg));
+
+            if (scene.name == "ChatroomMenu")
+            {
+                RequestInfoMessage msg2 = new()
+                {
+                    kind = "chatroom_messages"
+                };
+                _Connection.AddOutgoingMessage(JsonUtility.ToJson(msg2));
+            }
+        }
+        lastSceneName = scene.name;
+    }
+}

Assets/Scripts/WebsocketHandler.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 25ed18bf58d6948d095504532c27683b