*Update Naxx script. Let boss evade if they are pulled out of room.

--HG--
branch : trunk

17 files changed, 176 insertions, 101 deletions

diff --git a/src/bindings/scripts/include/sc_creature.cpp b/src/bindings/scripts/include/sc_creature.cpp
index c1edc567457..6ab54b95428 100644
--- a/src/bindings/scripts/include/sc_creature.cpp
+++ b/src/bindings/scripts/include/sc_creature.cpp
@@ -84,29 +84,13 @@ ScriptedAI::ScriptedAI(Creature* creature) : CreatureAI(creature), m_creature(cr
     HeroicMode = m_creature->GetMap()->IsHeroic();
 }
 
-void ScriptedAI::AttackStart(Unit* who, bool melee)
+void ScriptedAI::AttackStartNoMove(Unit* who)
 {
     if (!who)
         return;
 
-    if (m_creature->Attack(who, melee))
-    {
-        if(melee)
-            DoStartMovement(who);
-        else
-            DoStartNoMovement(who);
-    }
-}
-
-void ScriptedAI::AttackStart(Unit* who)
-{
-    if (!who)
-        return;
-
-    if (m_creature->Attack(who, true))
-    {
-        DoStartMovement(who);
-    }
+    if(m_creature->Attack(who, false))
+        DoStartNoMovement(who);
 }
 
 void ScriptedAI::UpdateAI(const uint32 diff)
@@ -650,6 +634,12 @@ void Scripted_NoMovementAI::AttackStart(Unit* who)
     }
 }
 
+BossAI::BossAI(Creature *c, uint32 id) : ScriptedAI(c)
+, bossId(id), summons(me), instance(c->GetInstanceData())
+, boundary(instance ? instance->GetBossBoundary(id) : NULL)
+{
+}
+
 void BossAI::_Reset()
 {
     events.Reset();
@@ -673,6 +663,53 @@ void BossAI::_EnterCombat()
         instance->SetBossState(bossId, IN_PROGRESS);
 }
 
+bool BossAI::CheckBoundary(Unit *who)
+{
+    if(!boundary || !who)
+        return true;
+
+    for(BossBoundaryMap::const_iterator itr = boundary->begin(); itr != boundary->end(); ++itr)
+    {
+        switch(itr->first)
+        {
+            case BOUNDARY_N:
+                if(me->GetPositionX() > itr->second)
+                    return false;
+                break;
+            case BOUNDARY_S:
+                if(me->GetPositionX() < itr->second)
+                    return false;
+                break;
+            case BOUNDARY_E:
+                if(me->GetPositionY() < itr->second)
+                    return false;
+                break;
+            case BOUNDARY_W:
+                if(me->GetPositionY() > itr->second)
+                    return false;
+                break;
+            case BOUNDARY_NW:
+                if(me->GetPositionX() + me->GetPositionY() > itr->second)
+                    return false;
+                break;
+            case BOUNDARY_SE:
+                if(me->GetPositionX() + me->GetPositionY() < itr->second)
+                    return false;
+                break;
+            case BOUNDARY_NE:
+                if(me->GetPositionX() - me->GetPositionY() > itr->second)
+                    return false;
+                break;
+            case BOUNDARY_SW:
+                if(me->GetPositionX() - me->GetPositionY() < itr->second)
+                    return false;
+                break;
+        }
+    }
+
+    return true;
+}
+
 void BossAI::JustSummoned(Creature *summon)
 {
     summons.Summon(summon);
diff --git a/src/bindings/scripts/include/sc_creature.h b/src/bindings/scripts/include/sc_creature.h
index 80016619e8b..dc1b8f6144f 100644
--- a/src/bindings/scripts/include/sc_creature.h
+++ b/src/bindings/scripts/include/sc_creature.h
@@ -11,6 +11,7 @@
 #include "Creature.h"
 #include "CreatureAI.h"
 #include "CreatureAIImpl.h"
+#include "InstanceData.h"
 
 class ScriptedInstance;
 
@@ -55,9 +56,7 @@ struct TRINITY_DLL_DECL ScriptedAI : public CreatureAI
     //CreatureAI Functions
     //*************
 
-    //Called at each attack of m_creature by any victim
-    void AttackStart(Unit *);
-    void AttackStart(Unit *, bool melee);
+    void AttackStartNoMove(Unit *target);
 
     // Called at any Damage from any attacker (before damage apply)
     void DamageTaken(Unit *done_by, uint32 &damage) {}
@@ -204,27 +203,36 @@ struct TRINITY_DLL_DECL Scripted_NoMovementAI : public ScriptedAI
 
 struct TRINITY_DLL_DECL BossAI : public ScriptedAI
 {
-    BossAI(Creature *c, uint32 id) : ScriptedAI(c), bossId(id)
-        , summons(me), instance(c->GetInstanceData())
-    {}
+    BossAI(Creature *c, uint32 id);
 
-    uint32 bossId;
+    const uint32 bossId;
     EventMap events;
     SummonList summons;
-    InstanceData *instance;
+    InstanceData * const instance;
+    const BossBoundaryMap * const boundary;
 
     void JustSummoned(Creature *summon);
     void SummonedCreatureDespawn(Creature *summon);
 
     void UpdateAI(const uint32 diff) = 0;
 
-    void _Reset();
-    void _EnterCombat();
-    void _JustDied();
-
     void Reset() { _Reset(); }
     void EnterCombat(Unit *who) { _EnterCombat(); }
     void JustDied(Unit *killer) { _JustDied(); }
+
+    protected:
+        void _Reset();
+        void _EnterCombat();
+        void _JustDied();
+
+        bool CheckInRoom()
+        {
+            if(CheckBoundary(me))
+                return true;
+            EnterEvadeMode();
+            return false;
+        }
+        bool CheckBoundary(Unit *who);
 };
 
 #endif
diff --git a/src/bindings/scripts/scripts/zone/black_temple/boss_illidan.cpp b/src/bindings/scripts/scripts/zone/black_temple/boss_illidan.cpp
index 68431cb81ee..855dd7f0d05 100644
--- a/src/bindings/scripts/scripts/zone/black_temple/boss_illidan.cpp
+++ b/src/bindings/scripts/scripts/zone/black_temple/boss_illidan.cpp
@@ -441,9 +441,9 @@ struct TRINITY_DLL_DECL boss_illidan_stormrageAI : public ScriptedAI
             return;
 
         if(Phase == PHASE_FLIGHT || Phase == PHASE_DEMON)
-            ScriptedAI::AttackStart(who, false);
+            AttackStartNoMove(who);
         else
-            ScriptedAI::AttackStart(who, true);
+            ScriptedAI::AttackStart(who);
     }
 
     void MoveInLineOfSight(Unit *who) {}
@@ -1415,16 +1415,16 @@ struct TRINITY_DLL_DECL boss_maievAI : public ScriptedAI
             return;
 
         if(Phase == PHASE_TALK_SEQUENCE)
-            ScriptedAI::AttackStart(who, false);
+            AttackStartNoMove(who);
         else if(Phase == PHASE_DEMON || Phase == PHASE_TRANSFORM_SEQUENCE )
         {
             GETUNIT(Illidan, IllidanGUID);
             if(Illidan && m_creature->IsWithinDistInMap(Illidan, 25))
                 BlinkToPlayer();//Do not let dread aura hurt her.
-            ScriptedAI::AttackStart(who, false);
+            AttackStartNoMove(who);
         }
         else
-            ScriptedAI::AttackStart(who, true);
+            ScriptedAI::AttackStart(who);
     }
 
     void DoAction(const int32 param)
diff --git a/src/bindings/scripts/scripts/zone/hellfire_citadel/hellfire_ramparts/boss_vazruden_the_herald.cpp b/src/bindings/scripts/scripts/zone/hellfire_citadel/hellfire_ramparts/boss_vazruden_the_herald.cpp
index bb7e1a2c29e..46e08c40432 100644
--- a/src/bindings/scripts/scripts/zone/hellfire_citadel/hellfire_ramparts/boss_vazruden_the_herald.cpp
+++ b/src/bindings/scripts/scripts/zone/hellfire_citadel/hellfire_ramparts/boss_vazruden_the_herald.cpp
@@ -339,7 +339,7 @@ struct TRINITY_DLL_DECL boss_vazruden_the_heraldAI : public ScriptedAI
             summoned->AddUnitMovementFlag(MOVEMENTFLAG_LEVITATING);
             summoned->SetSpeed(MOVE_FLIGHT, 2.5);
             if(victim)
-                ((ScriptedAI*)summoned->AI())->AttackStart(victim,false);
+                AttackStartNoMove(victim);
         }
         else if(victim)
             summoned->AI()->AttackStart(victim);
@@ -349,7 +349,7 @@ struct TRINITY_DLL_DECL boss_vazruden_the_heraldAI : public ScriptedAI
     {
         if(sentryDown)
         {
-            AttackStart(killer, false);
+            AttackStartNoMove(killer);
             sentryDown = false;
         }
         else
diff --git a/src/bindings/scripts/scripts/zone/naxxramas/boss_anubrekhan.cpp b/src/bindings/scripts/scripts/zone/naxxramas/boss_anubrekhan.cpp
index c675c8d7c27..476141dfa57 100644
--- a/src/bindings/scripts/scripts/zone/naxxramas/boss_anubrekhan.cpp
+++ b/src/bindings/scripts/scripts/zone/naxxramas/boss_anubrekhan.cpp
@@ -77,7 +77,7 @@ struct TRINITY_DLL_DECL boss_anubrekhanAI : public BossAI
 
     void UpdateAI(const uint32 diff)
     {
-        if(!UpdateVictim())
+        if(!UpdateVictim() || !CheckInRoom())
             return;
 
         events.Update(diff);
diff --git a/src/bindings/scripts/scripts/zone/naxxramas/boss_gluth.cpp b/src/bindings/scripts/scripts/zone/naxxramas/boss_gluth.cpp
index 7ac92252383..3e44b1c1f6e 100644
--- a/src/bindings/scripts/scripts/zone/naxxramas/boss_gluth.cpp
+++ b/src/bindings/scripts/scripts/zone/naxxramas/boss_gluth.cpp
@@ -99,7 +99,7 @@ struct TRINITY_DLL_DECL boss_gluthAI : public BossAI
 
     void UpdateAI(const uint32 diff)
     {
-        if(!UpdateVictimWithGaze())
+        if(!UpdateVictimWithGaze() || !CheckInRoom())
             return;
 
         events.Update(diff);
diff --git a/src/bindings/scripts/scripts/zone/naxxramas/boss_gothik.cpp b/src/bindings/scripts/scripts/zone/naxxramas/boss_gothik.cpp
index 90b82679c68..dad6fc9e0ee 100644
--- a/src/bindings/scripts/scripts/zone/naxxramas/boss_gothik.cpp
+++ b/src/bindings/scripts/scripts/zone/naxxramas/boss_gothik.cpp
@@ -202,7 +202,7 @@ struct TRINITY_DLL_DECL boss_gothikAI : public BossAI
 
     void UpdateAI(const uint32 diff)
     {
-        if(!UpdateVictimByReact())
+        if(!UpdateVictimByReact() || !CheckInRoom())
             return;
 
         events.Update(diff);
diff --git a/src/bindings/scripts/scripts/zone/naxxramas/boss_heigan.cpp b/src/bindings/scripts/scripts/zone/naxxramas/boss_heigan.cpp
index 0302a93c488..06fdec15206 100644
--- a/src/bindings/scripts/scripts/zone/naxxramas/boss_heigan.cpp
+++ b/src/bindings/scripts/scripts/zone/naxxramas/boss_heigan.cpp
@@ -95,7 +95,7 @@ struct TRINITY_DLL_DECL boss_heiganAI : public BossAI
 
     void UpdateAI(const uint32 diff)
     {
-        if(!UpdateVictim())
+        if(!UpdateVictim() || !CheckInRoom())
             return;
 
         events.Update(diff);
diff --git a/src/bindings/scripts/scripts/zone/naxxramas/boss_noth.cpp b/src/bindings/scripts/scripts/zone/naxxramas/boss_noth.cpp
index 1f7b1a55daa..3299ab85c42 100644
--- a/src/bindings/scripts/scripts/zone/naxxramas/boss_noth.cpp
+++ b/src/bindings/scripts/scripts/zone/naxxramas/boss_noth.cpp
@@ -128,19 +128,8 @@ struct TRINITY_DLL_DECL boss_nothAI : public BossAI
 
     void UpdateAI(const uint32 diff)
     {
-        if(me->HasReactState(REACT_AGGRESSIVE)) // ground
-        {
-            if(!UpdateVictim())
-                return;
-        }
-        else // balcony
-        {
-            if(me->getThreatManager().isThreatListEmpty()) // if no enemy, go back at once
-            {
-                events.Reset();
-                events.ScheduleEvent(EVENT_GROUND, 0);
-            }
-        }
+        if(!UpdateVictimByReact() || !CheckInRoom())
+            return;
 
         events.Update(diff);
 
diff --git a/src/bindings/scripts/scripts/zone/naxxramas/boss_sapphiron.cpp b/src/bindings/scripts/scripts/zone/naxxramas/boss_sapphiron.cpp
index 71259df7824..dce3c974f47 100644
--- a/src/bindings/scripts/scripts/zone/naxxramas/boss_sapphiron.cpp
+++ b/src/bindings/scripts/scripts/zone/naxxramas/boss_sapphiron.cpp
@@ -171,13 +171,13 @@ struct TRINITY_DLL_DECL boss_sapphironAI : public BossAI
         if(!phase)
             return;
 
+        if(!UpdateVictimByReact() || !CheckInRoom())
+            return;
+
         events.Update(diff);
 
         if(phase == PHASE_GROUND)
         {
-            if(!UpdateVictim())
-                return;
-
             while(uint32 eventId = events.ExecuteEvent())
             {
                 switch(eventId)
@@ -224,12 +224,6 @@ struct TRINITY_DLL_DECL boss_sapphironAI : public BossAI
         }
         else
         {
-            /*if(me->getThreatManager().isThreatListEmpty())
-            {
-                EnterEvadeMode();
-                return;
-            }*/
-
             if(uint32 eventId = events.ExecuteEvent())
             {
                 switch(eventId)
diff --git a/src/bindings/scripts/scripts/zone/naxxramas/instance_naxxramas.cpp b/src/bindings/scripts/scripts/zone/naxxramas/instance_naxxramas.cpp
index 92f6180045a..d9a2c80064d 100644
--- a/src/bindings/scripts/scripts/zone/naxxramas/instance_naxxramas.cpp
+++ b/src/bindings/scripts/scripts/zone/naxxramas/instance_naxxramas.cpp
@@ -19,29 +19,29 @@
 
 const DoorData doorData[] =
 {
-    {181126,    BOSS_ANUBREKHAN,DOOR_TYPE_ROOM},
-    {181195,    BOSS_ANUBREKHAN,DOOR_TYPE_PASSAGE},
-    {194022,    BOSS_FAERLINA,  DOOR_TYPE_PASSAGE},
-    {181209,    BOSS_FAERLINA,  DOOR_TYPE_PASSAGE},
-    {181209,    BOSS_MAEXXNA,   DOOR_TYPE_ROOM},
-    {181200,    BOSS_NOTH,      DOOR_TYPE_ROOM},
-    {181201,    BOSS_NOTH,      DOOR_TYPE_PASSAGE},
-    {181202,    BOSS_NOTH,      DOOR_TYPE_PASSAGE},
-    {181202,    BOSS_HEIGAN,    DOOR_TYPE_ROOM},
-    {181203,    BOSS_HEIGAN,    DOOR_TYPE_PASSAGE},
-    {181241,    BOSS_HEIGAN,    DOOR_TYPE_PASSAGE},
-    {181241,    BOSS_LOATHEB,   DOOR_TYPE_ROOM},
-    {181123,    BOSS_PATCHWERK, DOOR_TYPE_PASSAGE},
-    {181123,    BOSS_GROBBULUS, DOOR_TYPE_ROOM},
-    {181120,    BOSS_GLUTH,     DOOR_TYPE_PASSAGE},
-    {181121,    BOSS_GLUTH,     DOOR_TYPE_PASSAGE},
-    {181121,    BOSS_THADDIUS,  DOOR_TYPE_ROOM},
-    {181124,    BOSS_RAZUVIOUS, DOOR_TYPE_PASSAGE},
-    {181124,    BOSS_GOTHIK,    DOOR_TYPE_ROOM},
-    {181125,    BOSS_GOTHIK,    DOOR_TYPE_PASSAGE},
-    {181119,    BOSS_GOTHIK,    DOOR_TYPE_PASSAGE},
-    {181119,    BOSS_HORSEMEN,  DOOR_TYPE_ROOM},
-    {0,         0,              DOOR_TYPE_ROOM}, // EOF
+    {181126,    BOSS_ANUBREKHAN,DOOR_TYPE_ROOM,     BOUNDARY_S},
+    {181195,    BOSS_ANUBREKHAN,DOOR_TYPE_PASSAGE,  0},
+    {194022,    BOSS_FAERLINA,  DOOR_TYPE_PASSAGE,  0},
+    {181209,    BOSS_FAERLINA,  DOOR_TYPE_PASSAGE,  0},
+    {181209,    BOSS_MAEXXNA,   DOOR_TYPE_ROOM,     BOUNDARY_SW},
+    {181200,    BOSS_NOTH,      DOOR_TYPE_ROOM,     BOUNDARY_N},
+    {181201,    BOSS_NOTH,      DOOR_TYPE_PASSAGE,  BOUNDARY_E},
+    {181202,    BOSS_NOTH,      DOOR_TYPE_PASSAGE,  0},
+    {181202,    BOSS_HEIGAN,    DOOR_TYPE_ROOM,     BOUNDARY_N},
+    {181203,    BOSS_HEIGAN,    DOOR_TYPE_PASSAGE,  BOUNDARY_E},
+    {181241,    BOSS_HEIGAN,    DOOR_TYPE_PASSAGE,  0},
+    {181241,    BOSS_LOATHEB,   DOOR_TYPE_ROOM,     BOUNDARY_W},
+    {181123,    BOSS_PATCHWERK, DOOR_TYPE_PASSAGE,  0},
+    {181123,    BOSS_GROBBULUS, DOOR_TYPE_ROOM,     0},
+    {181120,    BOSS_GLUTH,     DOOR_TYPE_PASSAGE,  BOUNDARY_NW},
+    {181121,    BOSS_GLUTH,     DOOR_TYPE_PASSAGE,  0},
+    {181121,    BOSS_THADDIUS,  DOOR_TYPE_ROOM,     0},
+    {181124,    BOSS_RAZUVIOUS, DOOR_TYPE_PASSAGE,  0},
+    {181124,    BOSS_GOTHIK,    DOOR_TYPE_ROOM,     BOUNDARY_N},
+    {181125,    BOSS_GOTHIK,    DOOR_TYPE_PASSAGE,  BOUNDARY_S},
+    {181119,    BOSS_GOTHIK,    DOOR_TYPE_PASSAGE,  0},
+    {181119,    BOSS_HORSEMEN,  DOOR_TYPE_ROOM,     BOUNDARY_NE},
+    {0,         0,              DOOR_TYPE_ROOM,     0}, // EOF
 };
 
 const MinionData minionData[] =
@@ -68,10 +68,10 @@ const float HeiganEruptionSlope[3] =
     (-3637 - HeiganPos[1]) /(2771 - HeiganPos[0]),
 };
 
-// 0  H  O-->x
-//  1    |
-//   2   V
-//    3  y
+// 0  H      x
+//  1        ^
+//   2       |
+//    3  y<--o
 inline uint32 GetEruptionSection(float x, float y)
 {
     y -= HeiganPos[1];
diff --git a/src/bindings/scripts/scripts/zone/shattrath/shattrath_city.cpp b/src/bindings/scripts/scripts/zone/shattrath/shattrath_city.cpp
index e346b9c25fc..fe57e99c035 100644
--- a/src/bindings/scripts/scripts/zone/shattrath/shattrath_city.cpp
+++ b/src/bindings/scripts/scripts/zone/shattrath/shattrath_city.cpp
@@ -94,7 +94,7 @@ bool GossipSelect_npc_raliq_the_drunk(Player *player, Creature *_Creature, uint3
     {
         player->CLOSE_GOSSIP_MENU();
         _Creature->setFaction(FACTION_HOSTILE_RD);
-        ((npc_raliq_the_drunkAI*)_Creature->AI())->AttackStart(player);
+        _Creature->AI()->AttackStart(player);
     }
     return true;
 }
@@ -158,7 +158,7 @@ bool GossipHello_npc_salsalabim(Player *player, Creature *_Creature)
     if( player->GetQuestStatus(QUEST_10004) == QUEST_STATUS_INCOMPLETE )
     {
         _Creature->setFaction(FACTION_HOSTILE_SA);
-        ((npc_salsalabimAI*)_Creature->AI())->AttackStart(player);
+        _Creature->AI()->AttackStart(player);
     }
     else
     {
diff --git a/src/bindings/scripts/scripts/zone/tempest_keep/the_eye/boss_alar.cpp b/src/bindings/scripts/scripts/zone/tempest_keep/the_eye/boss_alar.cpp
index dfeb7fea3e6..5f1d92beaf1 100644
--- a/src/bindings/scripts/scripts/zone/tempest_keep/the_eye/boss_alar.cpp
+++ b/src/bindings/scripts/scripts/zone/tempest_keep/the_eye/boss_alar.cpp
@@ -150,9 +150,9 @@ struct TRINITY_DLL_DECL boss_alarAI : public ScriptedAI
     void AttackStart(Unit* who)
     {
         if(Phase1)
-            ScriptedAI::AttackStart(who, false);
+            AttackStartNoMove(who);
         else
-            ScriptedAI::AttackStart(who, true);
+            ScriptedAI::AttackStart(who);
     }
 
     void DamageTaken(Unit* pKiller, uint32 &damage)
diff --git a/src/bindings/scripts/scripts/zone/zangarmarsh/zangarmarsh.cpp b/src/bindings/scripts/scripts/zone/zangarmarsh/zangarmarsh.cpp
index df3fe6dd0fe..6fdb4421b94 100644
--- a/src/bindings/scripts/scripts/zone/zangarmarsh/zangarmarsh.cpp
+++ b/src/bindings/scripts/scripts/zone/zangarmarsh/zangarmarsh.cpp
@@ -173,7 +173,7 @@ bool GossipSelect_npc_cooshcoosh(Player *player, Creature *_Creature, uint32 sen
     {
         player->CLOSE_GOSSIP_MENU();
         _Creature->setFaction(FACTION_HOSTILE_CO);
-        ((npc_cooshcooshAI*)_Creature->AI())->AttackStart(player);
+        _Creature->AI()->AttackStart(player);
     }
     return true;
 }
diff --git a/src/bindings/scripts/scripts/zone/zulaman/boss_zuljin.cpp b/src/bindings/scripts/scripts/zone/zulaman/boss_zuljin.cpp
index c58ff08c94e..c342b8283d5 100644
--- a/src/bindings/scripts/scripts/zone/zulaman/boss_zuljin.cpp
+++ b/src/bindings/scripts/scripts/zone/zulaman/boss_zuljin.cpp
@@ -258,9 +258,9 @@ struct TRINITY_DLL_DECL boss_zuljinAI : public ScriptedAI
     void AttackStart(Unit *who)
     {
         if(Phase == 2)
-            ScriptedAI::AttackStart(who, false);
+            AttackStartNoMove(who);
         else
-            ScriptedAI::AttackStart(who, true);
+            ScriptedAI::AttackStart(who);
     }
 
     void DoMeleeAttackIfReady()
diff --git a/src/game/InstanceData.cpp b/src/game/InstanceData.cpp
index 1eff6ba3efe..fcc708e274c 100644
--- a/src/game/InstanceData.cpp
+++ b/src/game/InstanceData.cpp
@@ -76,7 +76,7 @@ void InstanceData::LoadDoorData(const DoorData *data)
     while(data->entry)
     {
         if(data->bossId < bosses.size())
-            doors.insert(std::make_pair(data->entry, DoorInfo(&bosses[data->bossId], data->type)));
+            doors.insert(std::make_pair(data->entry, DoorInfo(&bosses[data->bossId], data->type, BoundaryType(data->boundary))));
 
         ++data;
     }
@@ -143,7 +143,31 @@ void InstanceData::AddDoor(GameObject *door, bool add)
     for(DoorInfoMap::iterator itr = lower; itr != upper; ++itr)
     {
         if(add)
+        {
             itr->second.bossInfo->door[itr->second.type].insert(door);
+            switch(itr->second.boundary)
+            {
+                default:
+                case BOUNDARY_NONE:
+                    break;
+                case BOUNDARY_N:
+                case BOUNDARY_S:
+                    itr->second.bossInfo->boundary[itr->second.boundary] = door->GetPositionX();
+                    break;
+                case BOUNDARY_E:
+                case BOUNDARY_W:
+                    itr->second.bossInfo->boundary[itr->second.boundary] = door->GetPositionY();
+                    break;
+                case BOUNDARY_NW:
+                case BOUNDARY_SE:
+                    itr->second.bossInfo->boundary[itr->second.boundary] = door->GetPositionX() + door->GetPositionY();
+                    break;
+                case BOUNDARY_NE:
+                case BOUNDARY_SW:
+                    itr->second.bossInfo->boundary[itr->second.boundary] = door->GetPositionX() - door->GetPositionY();
+                    break;
+            }
+        }
         else
             itr->second.bossInfo->door[itr->second.type].erase(door);
     }
diff --git a/src/game/InstanceData.h b/src/game/InstanceData.h
index 9f7d4521fd1..43042a7f914 100644
--- a/src/game/InstanceData.h
+++ b/src/game/InstanceData.h
@@ -51,10 +51,30 @@ enum DoorType
     MAX_DOOR_TYPES,
 };
 
+enum BoundaryType
+{
+    BOUNDARY_NONE = 0,
+    BOUNDARY_N,
+    BOUNDARY_S,
+    BOUNDARY_E,
+    BOUNDARY_W,
+    BOUNDARY_NE,
+    BOUNDARY_NW,
+    BOUNDARY_SE,
+    BOUNDARY_SW,
+    BOUNDARY_MAX_X = BOUNDARY_N,
+    BOUNDARY_MIN_X = BOUNDARY_S,
+    BOUNDARY_MAX_Y = BOUNDARY_W,
+    BOUNDARY_MIN_Y = BOUNDARY_E,
+};
+
+typedef std::map<BoundaryType, float> BossBoundaryMap;
+
 struct DoorData
 {
     uint32 entry, bossId;
     DoorType type;
+    uint32 boundary;
 };
 
 struct MinionData
@@ -68,14 +88,16 @@ struct BossInfo
     EncounterState state;
     DoorSet door[MAX_DOOR_TYPES];
     MinionSet minion;
+    BossBoundaryMap boundary;
 };
 
 struct DoorInfo
 {
-    explicit DoorInfo(BossInfo *_bossInfo, DoorType _type)
-        : bossInfo(_bossInfo), type(_type) {}
+    explicit DoorInfo(BossInfo *_bossInfo, DoorType _type, BoundaryType _boundary)
+        : bossInfo(_bossInfo), type(_type), boundary(_boundary) {}
     BossInfo *bossInfo;
     DoorType type;
+    BoundaryType boundary;
 };
 
 struct MinionInfo
@@ -137,6 +159,7 @@ class TRINITY_DLL_SPEC InstanceData
         void HandleGameObject(uint64 GUID, bool open, GameObject *go = NULL);
 
         virtual void SetBossState(uint32 id, EncounterState state);
+        const BossBoundaryMap * GetBossBoundary(uint32 id) const { return id < bosses.size() ? &bosses[id].boundary : NULL; }
     protected:
         void SetBossNumber(uint32 number) { bosses.resize(number); }
         void LoadDoorData(const DoorData *data);