feat(Core/Hook): OnSendInitialPacketBeforeAddToMap (#4645)

src/server/game/Entities/Player/Player.cpp

@@ -23362,6 +23362,8 @@ void Player::SendInitialPacketsBeforeAddToMap()
     // SMSG_POWER_UPDATE
 
     SetMover(this);
+
+    sScriptMgr->OnSendInitialPacketsBeforeAddToMap(this, data);
 }
 
 void Player::SendInitialPacketsAfterAddToMap()

src/server/game/Scripting/ScriptMgr.cpp

@@ -1339,6 +1339,11 @@ void ScriptMgr::OnPlayerCompleteQuest(Player* player, Quest const* quest)
     FOREACH_SCRIPT(PlayerScript)->OnPlayerCompleteQuest(player, quest);
 }
 
+void ScriptMgr::OnSendInitialPacketsBeforeAddToMap(Player* player, WorldPacket& data)
+{
+    FOREACH_SCRIPT(PlayerScript)->OnSendInitialPacketsBeforeAddToMap(player, data);
+}
+
 void ScriptMgr::OnBattlegroundDesertion(Player* player, BattlegroundDesertionType const desertionType)
 {
     FOREACH_SCRIPT(PlayerScript)->OnBattlegroundDesertion(player, desertionType);

src/server/game/Scripting/ScriptMgr.h

@@ -745,6 +745,9 @@ protected:
 public:
     virtual void OnPlayerReleasedGhost(Player* /*player*/) { }
 
+    // Called on Send Initial Packets Before Add To Map
+    virtual void OnSendInitialPacketsBeforeAddToMap(Player* /*player*/, WorldPacket& /*data*/) {}
+
     // Called when a player does a desertion action (see BattlegroundDesertionType)
     virtual void OnBattlegroundDesertion(Player* /*player*/, BattlegroundDesertionType const /*desertionType*/) { }
 
@@ -1331,6 +1334,7 @@ public: /* AchievementCriteriaScript */
 
 public: /* PlayerScript */
     void OnBeforePlayerUpdate(Player* player, uint32 p_time);
+    void OnSendInitialPacketsBeforeAddToMap(Player* player, WorldPacket& data);
     void OnPlayerReleasedGhost(Player* player);
     void OnPVPKill(Player* killer, Player* killed);
     void OnCreatureKill(Player* killer, Creature* killed);