From 75589c25aba978fc258fa78e6e01df6e1a7ad6a4 Mon Sep 17 00:00:00 2001
From: kremnev8 <kremnev8super@yandex.ru>
Date: Fri, 18 Mar 2022 11:21:44 +0300
Subject: [PATCH] Add OnPlayerJoin and OnPlayerLeft events to API

---
 NebulaAPI/NebulaModAPI.cs                           | 13 +++++++++++++
 .../Session/LobbyRequestProcessor.cs                |  1 +
 .../Session/StartGameMessageProcessor.cs            |  1 +
 NebulaNetwork/PlayerManager.cs                      |  1 +
 4 files changed, 16 insertions(+)

diff --git a/NebulaAPI/NebulaModAPI.cs b/NebulaAPI/NebulaModAPI.cs
index c025f7360..2dbc2b8e6 100644
--- a/NebulaAPI/NebulaModAPI.cs
+++ b/NebulaAPI/NebulaModAPI.cs
@@ -86,6 +86,19 @@ public static IMultiplayerSession MultiplayerSession
         /// </summary>
         public static Action<int> OnPlanetLoadFinished;
 
+        /// <summary>
+        /// Subscribe to receive even when a new player joins the game.
+        /// The event fires right after the player starts to load in the save data
+        /// <see cref="IPlayerData"/>> player - info about the player
+        /// </summary>
+        public static Action<IPlayerData> OnPlayerJoinedGame;
+        
+        /// <summary>
+        /// Subscribe to receive even when a new player leaves the game
+        /// <see cref="IPlayerData"/>> player - info about the player
+        /// </summary>
+        public static Action<IPlayerData> OnPlayerLeftGame;
+
         private void Awake()
         {
             nebulaIsInstalled = false;
diff --git a/NebulaNetwork/PacketProcessors/Session/LobbyRequestProcessor.cs b/NebulaNetwork/PacketProcessors/Session/LobbyRequestProcessor.cs
index a5f9fc024..bf5fa1016 100644
--- a/NebulaNetwork/PacketProcessors/Session/LobbyRequestProcessor.cs
+++ b/NebulaNetwork/PacketProcessors/Session/LobbyRequestProcessor.cs
@@ -164,6 +164,7 @@ public override void ProcessPacket(LobbyRequest packet, NebulaConnection conn)
                 }
 
                 Multiplayer.Session.World.OnPlayerJoining(player.Data.Username);
+                NebulaModAPI.OnPlayerJoinedGame?.Invoke(player.Data);
 
                 // Make sure that each player that is currently in the game receives that a new player as join so they can create its RemotePlayerCharacter
                 PlayerJoining pdata = new PlayerJoining((PlayerData)player.Data.CreateCopyWithoutMechaData()); // Remove inventory from mecha data
diff --git a/NebulaNetwork/PacketProcessors/Session/StartGameMessageProcessor.cs b/NebulaNetwork/PacketProcessors/Session/StartGameMessageProcessor.cs
index e227184aa..7db5be354 100644
--- a/NebulaNetwork/PacketProcessors/Session/StartGameMessageProcessor.cs
+++ b/NebulaNetwork/PacketProcessors/Session/StartGameMessageProcessor.cs
@@ -46,6 +46,7 @@ public override void ProcessPacket(StartGameMessage packet, NebulaConnection con
                     }
 
                     Multiplayer.Session.World.OnPlayerJoining(player.Data.Username);
+                    NebulaModAPI.OnPlayerJoinedGame?.Invoke(player.Data);
 
                     // Make sure that each player that is currently in the game receives that a new player as join so they can create its RemotePlayerCharacter
                     PlayerJoining pdata = new PlayerJoining((PlayerData)player.Data.CreateCopyWithoutMechaData()); // Remove inventory from mecha data
diff --git a/NebulaNetwork/PlayerManager.cs b/NebulaNetwork/PlayerManager.cs
index 7e2107772..f2d35d30c 100644
--- a/NebulaNetwork/PlayerManager.cs
+++ b/NebulaNetwork/PlayerManager.cs
@@ -288,6 +288,7 @@ public void PlayerDisconnected(INebulaConnection conn)
             if (player != null)
             {
                 SendPacketToOtherPlayers(new PlayerDisconnected(player.Id), player);
+                NebulaModAPI.OnPlayerLeftGame?.Invoke(player.Data);
                 Multiplayer.Session.World.DestroyRemotePlayerModel(player.Id);
                 using (threadSafe.availablePlayerIds.GetLocked(out Queue<ushort> availablePlayerIds))
                 {