From 0b599de6bdeb1a8e4598c2e76831a5ccff94fad6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=83=91=E4=BD=A9=E8=8C=B9?= <zhengpeiru21@protonmail.com>
Date: Tue, 27 Sep 2022 18:39:30 -0600
Subject: [PATCH] Fix crash when bot unable to find valid reply.

---
 src/PlayerbotTextMgr.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/PlayerbotTextMgr.cpp b/src/PlayerbotTextMgr.cpp
index f4f57927..acfaada8 100644
--- a/src/PlayerbotTextMgr.cpp
+++ b/src/PlayerbotTextMgr.cpp
@@ -118,6 +118,9 @@ std::string PlayerbotTextMgr::GetBotText(ChatReplyType replyType, std::map<std::
             proper_list.push_back(text);
     }
 
+    if (proper_list.empty())
+        return "";
+
     BotTextEntry textEntry = proper_list[urand(0, proper_list.size() - 1)];
     std::string botText = !textEntry.m_text[GetLocalePriority()].empty() ? textEntry.m_text[GetLocalePriority()] : textEntry.m_text[0];
     for (auto & placeholder : placeholders)