feat(Core/Wintergrasp): toggle for VoA pre-battle kick (#25942)

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/server/apps/worldserver/worldserver.conf.dist

@@ -3675,6 +3675,19 @@ Wintergrasp.CrashRestartTimer = 10
 
 Wintergrasp.SkipBattleSessionCount = 3500
 
+#
+#     Wintergrasp.KickVoAPlayers
+#         Description: Kick players from Vault of Archavon and freeze its bosses
+#                      in the minutes leading up to a Wintergrasp battle, and
+#                      block new entries during wartime / the 10-minute warmup.
+#                      Requires a server restart to take effect (not reloadable).
+#         Default:     1 - (Enabled, players are warned then teleported to their
+#                           homebind before the battle starts)
+#                      0 - (Disabled, players stay inside and bosses behave
+#                           normally during Wintergrasp)
+
+Wintergrasp.KickVoAPlayers = 1
+
 #
 ###################################################################################################
 

src/server/game/World/WorldConfig.cpp

@@ -595,6 +595,7 @@ void WorldConfig::BuildConfigCache()
     SetConfigValue<uint32>(CONFIG_WINTERGRASP_RESTART_AFTER_CRASH, "Wintergrasp.CrashRestartTimer", 10);
 
     SetConfigValue<uint32>(CONFIG_WINTERGRASP_SKIP_BATTLE_SESSION_COUNT, "Wintergrasp.SkipBattleSessionCount", 3500);
+    SetConfigValue<bool>(CONFIG_WINTERGRASP_KICK_VOA_PLAYERS, "Wintergrasp.KickVoAPlayers", true, ConfigValueCache::Reloadable::No);
 
     SetConfigValue<uint32>(CONFIG_BIRTHDAY_TIME, "BirthdayTime", 1222964635);
     SetConfigValue<bool>(CONFIG_MINIGOB_MANABONK, "Minigob.Manabonk.Enable", true);

src/server/game/World/WorldConfig.h

@@ -326,6 +326,7 @@ enum ServerConfigs
     CONFIG_WINTERGRASP_NOBATTLETIME,
     CONFIG_WINTERGRASP_RESTART_AFTER_CRASH,
     CONFIG_WINTERGRASP_SKIP_BATTLE_SESSION_COUNT,
+    CONFIG_WINTERGRASP_KICK_VOA_PLAYERS,
     CONFIG_PACKET_SPOOF_BANMODE,
     CONFIG_PACKET_SPOOF_BANDURATION,
     CONFIG_WARDEN_CLIENT_RESPONSE_DELAY,

src/server/scripts/Northrend/VaultOfArchavon/instance_vault_of_archavon.cpp

@@ -22,6 +22,7 @@
 #include "Player.h"
 #include "ScriptedCreature.h"
 #include "SpellAuras.h"
+#include "World.h"
 #include "vault_of_archavon.h"
 
 /* Vault of Archavon encounters:
@@ -73,6 +74,8 @@ public:
             if (checkTimer >= 60000)
             {
                 checkTimer -= 60000; // one minute
+                if (!sWorld->getBoolConfig(CONFIG_WINTERGRASP_KICK_VOA_PLAYERS))
+                    return;
                 if (Battlefield* bf = sBattlefieldMgr->GetBattlefieldByBattleId(BATTLEFIELD_BATTLEID_WG))
                 {
                     if (!bf->IsWarTime())
@@ -133,6 +136,9 @@ public:
                 if (m_auiEncounter[i] == IN_PROGRESS)
                     return true;
 
+            if (!sWorld->getBoolConfig(CONFIG_WINTERGRASP_KICK_VOA_PLAYERS))
+                return false;
+
             Battlefield* bf = sBattlefieldMgr->GetBattlefieldByBattleId(BATTLEFIELD_BATTLEID_WG);
             if (!bf || bf->IsWarTime() || bf->GetTimer() <= 10 * MINUTE * IN_MILLISECONDS)
                 return true;