From c9a4efdf8f699c4f44ec3726123b5fd5077a3417 Mon Sep 17 00:00:00 2001
From: megamage <none@none.none>
Date: Mon, 19 Sep 2011 09:24:59 -0400
Subject: Fix crash caused by invalid talker in SmartScript. Solve #3082.

---
 src/server/game/AI/SmartScripts/SmartScript.cpp | 13 +++++++------
 src/server/game/AI/SmartScripts/SmartScript.h   |  2 +-
 2 files changed, 8 insertions(+), 7 deletions(-)

(limited to 'src')

diff --git a/src/server/game/AI/SmartScripts/SmartScript.cpp b/src/server/game/AI/SmartScripts/SmartScript.cpp
index 680c0815c6b..c0f844825f5 100644
--- a/src/server/game/AI/SmartScripts/SmartScript.cpp
+++ b/src/server/game/AI/SmartScripts/SmartScript.cpp
@@ -46,7 +46,7 @@ SmartScript::SmartScript()
     mLastTextID = 0;
     mTextGUID = 0;
     mUseTextTimer = false;
-    talker = NULL;
+    mTalkerEntry = 0;
     mTemplate = SMARTAI_TEMPLATE_BASIC;
     meOrigGUID = 0;
     goOrigGUID = 0;
@@ -138,7 +138,7 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
                 return;
 
             ObjectList* targets = GetTargets(e, unit);
-            talker = me;
+            Creature* talker = me;
             if (targets)
             {
                 for (ObjectList::const_iterator itr = targets->begin(); itr != targets->end(); ++itr)
@@ -153,6 +153,7 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
                 delete targets;
             }
 
+            mTalkerEntry = talker->GetEntry();
             mLastTextID = e.action.talk.textGroupID;
             mTextTimer = e.action.talk.duration;
             mTextGUID = IsPlayer(GetLastInvoker()) ? GetLastInvoker()->GetGUID() : 0;//invoker, used for $vars in texts
@@ -2705,13 +2706,13 @@ void SmartScript::OnUpdate(uint32 const diff)
     {
         if (mTextTimer < diff)
         {
-            uint32 temp = mLastTextID;
+            uint32 textID = mLastTextID;
             mLastTextID = 0;
+            uint32 entry = mTalkerEntry;
+            mTalkerEntry = 0;
             mTextTimer = 0;
             mUseTextTimer = false;
-            uint32 tempEntry = talker?talker->GetEntry():0;
-            talker = NULL;
-            ProcessEventsFor(SMART_EVENT_TEXT_OVER, NULL, temp, tempEntry);
+            ProcessEventsFor(SMART_EVENT_TEXT_OVER, NULL, textID, entry);
         } else mTextTimer -= diff;
     }
 }
diff --git a/src/server/game/AI/SmartScripts/SmartScript.h b/src/server/game/AI/SmartScripts/SmartScript.h
index 62855154c8a..aa4eeb602c0 100644
--- a/src/server/game/AI/SmartScripts/SmartScript.h
+++ b/src/server/game/AI/SmartScripts/SmartScript.h
@@ -248,7 +248,7 @@ class SmartScript
         uint32 mTextTimer;
         uint32 mLastTextID;
         uint64 mTextGUID;
-        Creature* talker;
+        uint32 mTalkerEntry;
         bool mUseTextTimer;
 
         SMARTAI_TEMPLATE mTemplate;
-- 
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