Halls of Stone: Implement achievement Brann's Spankin' New

--HG--
branch : trunk

src/scripts/northrend/ulduar/halls_of_stone/halls_of_stone.cpp

@@ -101,6 +101,11 @@ enum Quests
     QUEST_HALLS_OF_STONE                = 13207
 };
 
+enum Achievements
+{
+    ACHIEV_BRANN_SPANKIN                = 2154
+};
+
 #define GOSSIP_ITEM_START               "Brann, it would be our honor!"
 #define GOSSIP_ITEM_PROGRESS            "Let's move Brann, enough of the history lessons!"
 
@@ -243,6 +248,7 @@ struct npc_brann_hosAI : public npc_escortAI
 
     bool bIsBattle;
     bool bIsLowHP;
+    bool bHasBeenDamaged;
 
     void Reset()
     {
@@ -250,6 +256,7 @@ struct npc_brann_hosAI : public npc_escortAI
         {
             bIsLowHP = false;
             bIsBattle = false;
+            bHasBeenDamaged = false;
             uiStep = 0;
             uiPhaseTimer = 0;
             uiControllerGUID = 0;
@@ -349,6 +356,12 @@ struct npc_brann_hosAI : public npc_escortAI
         Start();
     }
 
+    void DamageTaken(Unit* done_by, uint32 &damage)
+    {
+        if (!bHasBeenDamaged)
+            bHasBeenDamaged = true;
+    }
+
     void UpdateEscortAI(const uint32 uiDiff)
     {
         if (uiPhaseTimer <= uiDiff)
@@ -510,7 +523,11 @@ struct npc_brann_hosAI : public npc_escortAI
                 case 29:
                     DoScriptText(SAY_EVENT_END_02, m_creature);
                     if (pInstance)
+                    {
                         pInstance->SetData(DATA_BRANN_EVENT, DONE);
+                        if (!bHasBeenDamaged)
+                            pInstance->DoCompleteAchievement(ACHIEV_BRANN_SPANKIN_NEW);
+                    }
                     
                     JumpToNextStep(5500);
                     break;