fix(Scripts/AlteracValley): Mini bosses should evade with boss (#10544)

Fixed #10460

src/server/game/Battlegrounds/Zones/BattlegroundAV.h

@@ -662,7 +662,10 @@ enum BG_AV_CreaturePlace
     AV_CPLACE_TRIGGER18       = 319,
     AV_CPLACE_TRIGGER19       = 320,
 
-    AV_CPLACE_MAX = 321
+    AV_CPLACE_MAX             = 321,
+
+    AV_CPLACE_A_BOSS          = 381,
+    AV_CPLACE_H_BOSS          = 445
 };
 
 //x, y, z, o

src/server/scripts/EasternKingdoms/AlteracValley/alterac_valley.cpp

@@ -15,6 +15,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "BattlegroundAV.h"
 #include "ScriptMgr.h"
 #include "ScriptedCreature.h"
 
@@ -58,6 +59,11 @@ enum Events
     EVENT_CHECK_RESET          = 6
 };
 
+enum Factions
+{
+    FACTION_AV_ALLIANCE = 1534
+};
+
 struct SpellPair
 {
     uint32 npcEntry;
@@ -104,6 +110,46 @@ public:
             Reset();
         }
 
+        void AttackStart(Unit* victim) override
+        {
+            ScriptedAI::AttackStart(victim);
+
+            // Boss should attack as well
+            if (BattlegroundMap* bgMap = me->GetMap()->ToBattlegroundMap())
+            {
+                if (Battleground* bg = bgMap->GetBG())
+                {
+                    if (Creature* mainBoss = bg->GetBGCreature((me->GetFaction() == FACTION_AV_ALLIANCE ? AV_CPLACE_A_BOSS : AV_CPLACE_H_BOSS)))
+                    {
+                        if (mainBoss->IsAIEnabled && !mainBoss->IsInCombat())
+                        {
+                            mainBoss->AI()->AttackStart(victim);
+                        }
+                    }
+                }
+            }
+        }
+
+        void EnterEvadeMode() override
+        {
+            ScriptedAI::EnterEvadeMode();
+
+            // Evade boss
+            if (BattlegroundMap* bgMap = me->GetMap()->ToBattlegroundMap())
+            {
+                if (Battleground* bg = bgMap->GetBG())
+                {
+                    if (Creature* mainBoss = bg->GetBGCreature((me->GetFaction() == FACTION_AV_ALLIANCE ? AV_CPLACE_A_BOSS : AV_CPLACE_H_BOSS)))
+                    {
+                        if (mainBoss->IsAIEnabled && !mainBoss->IsInEvadeMode())
+                        {
+                            mainBoss->AI()->EnterEvadeMode();
+                        }
+                    }
+                }
+            }
+        }
+
         void UpdateAI(uint32 diff) override
         {
             // I have a feeling this isn't blizzlike, but owell, I'm only passing by and cleaning up.

src/server/scripts/EasternKingdoms/AlteracValley/boss_drekthar.cpp

@@ -15,6 +15,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "BattlegroundAV.h"
 #include "ScriptMgr.h"
 #include "ScriptedCreature.h"
 
@@ -64,7 +65,7 @@ public:
             YellTimer         = urand(20 * IN_MILLISECONDS, 30 * IN_MILLISECONDS); //20 to 30 seconds
         }
 
-        void EnterCombat(Unit* /*who*/) override
+        void EnterCombat(Unit* /*victim*/) override
         {
             Talk(YELL_AGGRO);
         }
@@ -75,6 +76,52 @@ public:
             Talk(YELL_RESPAWN);
         }
 
+        void AttackStart(Unit* victim) override
+        {
+            ScriptedAI::AttackStart(victim);
+
+            // Mini bosses should attack as well
+            if (BattlegroundMap* bgMap = me->GetMap()->ToBattlegroundMap())
+            {
+                if (Battleground* bg = bgMap->GetBG())
+                {
+                    for (uint8 i = AV_CPLACE_H_MARSHAL_ICE; i <= AV_CPLACE_H_MARSHAL_WTOWER; ++i)
+                    {
+                        if (Creature* marshall = bg->GetBGCreature(i))
+                        {
+                            if (marshall->IsAIEnabled && !marshall->IsInCombat())
+                            {
+                                marshall->AI()->AttackStart(victim);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        void EnterEvadeMode() override
+        {
+            ScriptedAI::EnterEvadeMode();
+
+            // Evade mini bosses
+            if (BattlegroundMap* bgMap = me->GetMap()->ToBattlegroundMap())
+            {
+                if (Battleground* bg = bgMap->GetBG())
+                {
+                    for (uint8 i = AV_CPLACE_H_MARSHAL_ICE; i <= AV_CPLACE_H_MARSHAL_WTOWER; ++i)
+                    {
+                        if (Creature* marshall = bg->GetBGCreature(i))
+                        {
+                            if (marshall->IsAIEnabled && !marshall->IsInEvadeMode())
+                            {
+                                marshall->AI()->EnterEvadeMode();
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
         void UpdateAI(uint32 diff) override
         {
             if (!UpdateVictim())

src/server/scripts/EasternKingdoms/AlteracValley/boss_vanndar.cpp

@@ -15,6 +15,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "BattlegroundAV.h"
 #include "ScriptMgr.h"
 #include "ScriptedCreature.h"
 
@@ -59,11 +60,57 @@ public:
             YellTimer = urand(20 * IN_MILLISECONDS, 30 * IN_MILLISECONDS);
         }
 
-        void EnterCombat(Unit* /*who*/) override
+        void EnterCombat(Unit* /*victim*/) override
         {
             Talk(YELL_AGGRO);
         }
 
+        void AttackStart(Unit* victim) override
+        {
+            ScriptedAI::AttackStart(victim);
+
+            // Mini bosses should attack as well
+            if (BattlegroundMap* bgMap = me->GetMap()->ToBattlegroundMap())
+            {
+                if (Battleground* bg = bgMap->GetBG())
+                {
+                    for (uint8 i = AV_CPLACE_A_MARSHAL_SOUTH; i <= AV_CPLACE_A_MARSHAL_STONE; ++i)
+                    {
+                        if (Creature* marshall = bg->GetBGCreature(i))
+                        {
+                            if (marshall->IsAIEnabled && !marshall->IsInCombat())
+                            {
+                                marshall->AI()->AttackStart(victim);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        void EnterEvadeMode() override
+        {
+            ScriptedAI::EnterEvadeMode();
+
+            // Evade mini bosses
+            if (BattlegroundMap* bgMap = me->GetMap()->ToBattlegroundMap())
+            {
+                if (Battleground* bg = bgMap->GetBG())
+                {
+                    for (uint8 i = AV_CPLACE_A_MARSHAL_SOUTH; i <= AV_CPLACE_A_MARSHAL_STONE; ++i)
+                    {
+                        if (Creature* marshall = bg->GetBGCreature(i))
+                        {
+                            if (marshall->IsAIEnabled && !marshall->IsInEvadeMode())
+                            {
+                                marshall->AI()->EnterEvadeMode();
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
         void UpdateAI(uint32 diff) override
         {
             if (!UpdateVictim())