From c63ee90cb284e96f580f405f5fd63785606dcf20 Mon Sep 17 00:00:00 2001
From: Yunfan Li <lyf_liyunfan@sina.com>
Date: Fri, 5 Jul 2024 14:17:39 +0800
Subject: [PATCH] [Crash fix] Duplicate bots login

---
 src/PlayerbotMgr.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/PlayerbotMgr.cpp b/src/PlayerbotMgr.cpp
index 4c8f984f..bd004267 100644
--- a/src/PlayerbotMgr.cpp
+++ b/src/PlayerbotMgr.cpp
@@ -363,6 +363,11 @@ Player* PlayerbotHolder::GetPlayerBot(ObjectGuid::LowType lowGuid) const
 
 void PlayerbotHolder::OnBotLogin(Player* const bot)
 {
+    // Prevent duplicate login
+    if (playerBots.find(bot->GetGUID()) != playerBots.end()) {
+        return;
+    }
+
     sPlayerbotsMgr->AddPlayerbotData(bot, true);
     playerBots[bot->GetGUID()] = bot;
     OnBotLoginInternal(bot);