Player checks for event registrations.

L2J_Mobius_1.0_Ertheia/dist/game/data/scripts/ai/others/LaVieEnRose/LaVieEnRose.java

@@ -134,6 +134,12 @@ public final class LaVieEnRose extends AbstractNpcAI
 			return false;
 		}
 		
+		if (player.isOnEvent()) // custom event message
+		{
+			player.sendMessage("You cannot use the Beauty Shop while registered in an event.");
+			return false;
+		}
+		
 		// player.sendPacket(SystemMessageId.YOU_CANNOT_USE_THE_BEAUTY_SHOP_AS_THE_NPC_SERVER_IS_CURRENTLY_NOT_IN_FUNCTION);
 		// player.sendPacket(SystemMessageId.YOU_CANNOT_USE_THE_BEAUTY_SHOP_WHILE_USING_THE_AUTOMATIC_REPLACEMENT);
 		

L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/instancemanager/SellBuffsManager.java

@@ -405,6 +405,11 @@ public final class SellBuffsManager implements IGameXmlReader
 			player.sendMessage("You can't sell buffs with Ceremony of Chaos status!");
 			return false;
 		}
+		else if (player.isOnEvent()) // custom event message
+		{
+			player.sendMessage("You can't sell buffs while registered in an event!");
+			return false;
+		}
 		else if (player.isCursedWeaponEquipped() || (player.getReputation() < 0))
 		{
 			player.sendMessage("You can't sell buffs in Chaotic state!");

L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java

@@ -9285,6 +9285,11 @@ public final class L2PcInstance extends L2Playable
 			_noDuelReason = SystemMessageId.C1_CANNOT_DUEL_BECAUSE_C1_IS_PARTICIPATING_IN_THE_OLYMPIAD_OR_THE_CEREMONY_OF_CHAOS;
 			return false;
 		}
+		if (isOnEvent()) // custom event message
+		{
+			_noDuelReason = SystemMessageId.C1_CANNOT_DUEL_BECAUSE_C1_IS_CURRENTLY_ENGAGED_IN_BATTLE;
+			return false;
+		}
 		if (isCursedWeaponEquipped())
 		{
 			_noDuelReason = SystemMessageId.C1_CANNOT_DUEL_BECAUSE_C1_IS_IN_A_CHAOTIC_OR_PURPLE_STATE;

L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/conditions/ConditionPlayerCanSwitchSubclass.java

@@ -66,6 +66,11 @@ public class ConditionPlayerCanSwitchSubclass extends Condition
 			player.sendPacket(SystemMessageId.YOU_CANNOT_CHANGE_YOUR_SUBCLASS_WHILE_REGISTERED_IN_THE_CEREMONY_OF_CHAOS);
 			canSwitchSub = false;
 		}
+		else if (player.isOnEvent())
+		{
+			player.sendMessage("You cannot change your subclass while registered in an event.");
+			canSwitchSub = false;
+		}
 		else if (player.isAllSkillsDisabled())
 		{
 			canSwitchSub = false;

L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/network/clientpackets/RequestFriendInvite.java

@@ -74,6 +74,13 @@ public final class RequestFriendInvite implements IClientIncomingPacket
 			return;
 		}
 		
+		// Cannot request friendship in any custom event.
+		if (activeChar.isOnEvent()) // custom event message
+		{
+			activeChar.sendMessage("You cannot invite a friend while participating in an event.");
+			return;
+		}
+		
 		// Target blocked active player.
 		if (BlockList.isBlocked(friend, activeChar))
 		{

L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/network/clientpackets/RequestJoinParty.java

@@ -92,6 +92,12 @@ public final class RequestJoinParty implements IClientIncomingPacket
 			return;
 		}
 		
+		if (requestor.isOnEvent()) // custom event message
+		{
+			requestor.sendMessage("You cannot invite to a party while participating in an event.");
+			return;
+		}
+		
 		SystemMessage sm;
 		if (target.isInParty())
 		{

L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/network/clientpackets/RequestPrivateStoreBuy.java

@@ -97,6 +97,12 @@ public final class RequestPrivateStoreBuy implements IClientIncomingPacket
 			return;
 		}
 		
+		if (player.isOnEvent()) // custom event message
+		{
+			player.sendMessage("You cannot open a private store while participating in an event.");
+			return;
+		}
+		
 		if (!client.getFloodProtectors().getTransaction().tryPerformAction("privatestorebuy"))
 		{
 			player.sendMessage("You are buying items too fast.");

L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/network/clientpackets/RequestPrivateStoreSell.java

@@ -94,6 +94,12 @@ public final class RequestPrivateStoreSell implements IClientIncomingPacket
 			return;
 		}
 		
+		if (player.isOnEvent()) // custom event message
+		{
+			player.sendMessage("You cannot open a private store while participating in an event.");
+			return;
+		}
+		
 		if (!client.getFloodProtectors().getTransaction().tryPerformAction("privatestoresell"))
 		{
 			player.sendMessage("You are selling items too fast.");

L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/network/clientpackets/ability/RequestAcquireAbilityList.java

@@ -100,6 +100,11 @@ public class RequestAcquireAbilityList implements IClientIncomingPacket
 			activeChar.sendPacket(SystemMessageId.YOU_CANNOT_USE_OR_RESET_ABILITY_POINTS_WHILE_PARTICIPATING_IN_THE_OLYMPIAD_OR_CEREMONY_OF_CHAOS);
 			return;
 		}
+		else if (activeChar.isOnEvent()) // custom event message
+		{
+			activeChar.sendMessage("You cannot use or reset Ability Points while participating in an event.");
+			return;
+		}
 		
 		final int[] pointsSpent = new int[TREE_SIZE];
 		Arrays.fill(pointsSpent, 0);

L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/network/clientpackets/ability/RequestChangeAbilityPoint.java

@@ -71,6 +71,11 @@ public class RequestChangeAbilityPoint implements IClientIncomingPacket
 			activeChar.sendPacket(SystemMessageId.YOU_CANNOT_USE_OR_RESET_ABILITY_POINTS_WHILE_PARTICIPATING_IN_THE_OLYMPIAD_OR_CEREMONY_OF_CHAOS);
 			return;
 		}
+		else if (activeChar.isOnEvent()) // custom event message
+		{
+			activeChar.sendMessage("You cannot use or reset Ability Points while participating in an event.");
+			return;
+		}
 		
 		final long spRequired = AbilityPointsData.getInstance().getPrice(activeChar.getAbilityPoints());
 		if (spRequired > activeChar.getSp())

L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/network/clientpackets/ability/RequestResetAbilityPoint.java

@@ -68,6 +68,11 @@ public class RequestResetAbilityPoint implements IClientIncomingPacket
 			client.sendPacket(SystemMessageId.YOU_CANNOT_USE_OR_RESET_ABILITY_POINTS_WHILE_PARTICIPATING_IN_THE_OLYMPIAD_OR_CEREMONY_OF_CHAOS);
 			return;
 		}
+		else if (activeChar.isOnEvent()) // custom event message
+		{
+			activeChar.sendMessage("You cannot use or reset Ability Points while participating in an event.");
+			return;
+		}
 		else if (activeChar.getAbilityPoints() == 0)
 		{
 			activeChar.sendMessage("You don't have ability points to reset!");

L2J_Mobius_2.5_Underground/dist/game/data/scripts/ai/others/LaVieEnRose/LaVieEnRose.java

@@ -134,6 +134,12 @@ public final class LaVieEnRose extends AbstractNpcAI
 			return false;
 		}
 		
+		if (player.isOnEvent()) // custom event message
+		{
+			player.sendMessage("You cannot use the Beauty Shop while registered in an event.");
+			return false;
+		}
+		
 		// player.sendPacket(SystemMessageId.YOU_CANNOT_USE_THE_BEAUTY_SHOP_AS_THE_NPC_SERVER_IS_CURRENTLY_NOT_IN_FUNCTION);
 		// player.sendPacket(SystemMessageId.YOU_CANNOT_USE_THE_BEAUTY_SHOP_WHILE_USING_THE_AUTOMATIC_REPLACEMENT);
 		

L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/instancemanager/SellBuffsManager.java

@@ -405,6 +405,11 @@ public final class SellBuffsManager implements IGameXmlReader
 			player.sendMessage("You can't sell buffs with Ceremony of Chaos status!");
 			return false;
 		}
+		else if (player.isOnEvent()) // custom event message
+		{
+			player.sendMessage("You can't sell buffs while registered in an event!");
+			return false;
+		}
 		else if (player.isCursedWeaponEquipped() || (player.getReputation() < 0))
 		{
 			player.sendMessage("You can't sell buffs in Chaotic state!");

L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java

@@ -9285,6 +9285,11 @@ public final class L2PcInstance extends L2Playable
 			_noDuelReason = SystemMessageId.C1_CANNOT_DUEL_BECAUSE_C1_IS_PARTICIPATING_IN_THE_OLYMPIAD_OR_THE_CEREMONY_OF_CHAOS;
 			return false;
 		}
+		if (isOnEvent()) // custom event message
+		{
+			_noDuelReason = SystemMessageId.C1_CANNOT_DUEL_BECAUSE_C1_IS_CURRENTLY_ENGAGED_IN_BATTLE;
+			return false;
+		}
 		if (isCursedWeaponEquipped())
 		{
 			_noDuelReason = SystemMessageId.C1_CANNOT_DUEL_BECAUSE_C1_IS_IN_A_CHAOTIC_OR_PURPLE_STATE;

L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/conditions/ConditionPlayerCanSwitchSubclass.java

@@ -66,6 +66,11 @@ public class ConditionPlayerCanSwitchSubclass extends Condition
 			player.sendPacket(SystemMessageId.YOU_CANNOT_CHANGE_YOUR_SUBCLASS_WHILE_REGISTERED_IN_THE_CEREMONY_OF_CHAOS);
 			canSwitchSub = false;
 		}
+		else if (player.isOnEvent())
+		{
+			player.sendMessage("You cannot change your subclass while registered in an event.");
+			canSwitchSub = false;
+		}
 		else if (player.isAllSkillsDisabled())
 		{
 			canSwitchSub = false;

L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/network/clientpackets/RequestFriendInvite.java

@@ -74,6 +74,13 @@ public final class RequestFriendInvite implements IClientIncomingPacket
 			return;
 		}
 		
+		// Cannot request friendship in any custom event.
+		if (activeChar.isOnEvent()) // custom event message
+		{
+			activeChar.sendMessage("You cannot invite a friend while participating in an event.");
+			return;
+		}
+		
 		// Target blocked active player.
 		if (BlockList.isBlocked(friend, activeChar))
 		{

L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/network/clientpackets/RequestJoinParty.java

@@ -92,6 +92,12 @@ public final class RequestJoinParty implements IClientIncomingPacket
 			return;
 		}
 		
+		if (requestor.isOnEvent()) // custom event message
+		{
+			requestor.sendMessage("You cannot invite to a party while participating in an event.");
+			return;
+		}
+		
 		SystemMessage sm;
 		if (target.isInParty())
 		{

L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/network/clientpackets/RequestPrivateStoreBuy.java

@@ -97,6 +97,12 @@ public final class RequestPrivateStoreBuy implements IClientIncomingPacket
 			return;
 		}
 		
+		if (player.isOnEvent()) // custom event message
+		{
+			player.sendMessage("You cannot open a private store while participating in an event.");
+			return;
+		}
+		
 		if (!client.getFloodProtectors().getTransaction().tryPerformAction("privatestorebuy"))
 		{
 			player.sendMessage("You are buying items too fast.");

L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/network/clientpackets/RequestPrivateStoreSell.java

@@ -94,6 +94,12 @@ public final class RequestPrivateStoreSell implements IClientIncomingPacket
 			return;
 		}
 		
+		if (player.isOnEvent()) // custom event message
+		{
+			player.sendMessage("You cannot open a private store while participating in an event.");
+			return;
+		}
+		
 		if (!client.getFloodProtectors().getTransaction().tryPerformAction("privatestoresell"))
 		{
 			player.sendMessage("You are selling items too fast.");

L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/network/clientpackets/ability/RequestAcquireAbilityList.java

@@ -100,6 +100,11 @@ public class RequestAcquireAbilityList implements IClientIncomingPacket
 			activeChar.sendPacket(SystemMessageId.YOU_CANNOT_USE_OR_RESET_ABILITY_POINTS_WHILE_PARTICIPATING_IN_THE_OLYMPIAD_OR_CEREMONY_OF_CHAOS);
 			return;
 		}
+		else if (activeChar.isOnEvent()) // custom event message
+		{
+			activeChar.sendMessage("You cannot use or reset Ability Points while participating in an event.");
+			return;
+		}
 		
 		final int[] pointsSpent = new int[TREE_SIZE];
 		Arrays.fill(pointsSpent, 0);

L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/network/clientpackets/ability/RequestChangeAbilityPoint.java

@@ -71,6 +71,11 @@ public class RequestChangeAbilityPoint implements IClientIncomingPacket
 			activeChar.sendPacket(SystemMessageId.YOU_CANNOT_USE_OR_RESET_ABILITY_POINTS_WHILE_PARTICIPATING_IN_THE_OLYMPIAD_OR_CEREMONY_OF_CHAOS);
 			return;
 		}
+		else if (activeChar.isOnEvent()) // custom event message
+		{
+			activeChar.sendMessage("You cannot use or reset Ability Points while participating in an event.");
+			return;
+		}
 		
 		final long spRequired = AbilityPointsData.getInstance().getPrice(activeChar.getAbilityPoints());
 		if (spRequired > activeChar.getSp())

L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/network/clientpackets/ability/RequestResetAbilityPoint.java

@@ -68,6 +68,11 @@ public class RequestResetAbilityPoint implements IClientIncomingPacket
 			client.sendPacket(SystemMessageId.YOU_CANNOT_USE_OR_RESET_ABILITY_POINTS_WHILE_PARTICIPATING_IN_THE_OLYMPIAD_OR_CEREMONY_OF_CHAOS);
 			return;
 		}
+		else if (activeChar.isOnEvent()) // custom event message
+		{
+			activeChar.sendMessage("You cannot use or reset Ability Points while participating in an event.");
+			return;
+		}
 		else if (activeChar.getAbilityPoints() == 0)
 		{
 			activeChar.sendMessage("You don't have ability points to reset!");

L2J_Mobius_3.0_Helios/dist/game/data/scripts/ai/others/LaVieEnRose/LaVieEnRose.java

@@ -134,6 +134,12 @@ public final class LaVieEnRose extends AbstractNpcAI
 			return false;
 		}
 		
+		if (player.isOnEvent()) // custom event message
+		{
+			player.sendMessage("You cannot use the Beauty Shop while registered in an event.");
+			return false;
+		}
+		
 		// player.sendPacket(SystemMessageId.YOU_CANNOT_USE_THE_BEAUTY_SHOP_AS_THE_NPC_SERVER_IS_CURRENTLY_NOT_IN_FUNCTION);
 		// player.sendPacket(SystemMessageId.YOU_CANNOT_USE_THE_BEAUTY_SHOP_WHILE_USING_THE_AUTOMATIC_REPLACEMENT);
 		

L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/instancemanager/SellBuffsManager.java

@@ -405,6 +405,11 @@ public final class SellBuffsManager implements IGameXmlReader
 			player.sendMessage("You can't sell buffs with Ceremony of Chaos status!");
 			return false;
 		}
+		else if (player.isOnEvent()) // custom event message
+		{
+			player.sendMessage("You can't sell buffs while registered in an event!");
+			return false;
+		}
 		else if (player.isCursedWeaponEquipped() || (player.getReputation() < 0))
 		{
 			player.sendMessage("You can't sell buffs in Chaotic state!");

L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java

@@ -9296,6 +9296,11 @@ public final class L2PcInstance extends L2Playable
 			_noDuelReason = SystemMessageId.C1_CANNOT_DUEL_BECAUSE_C1_IS_PARTICIPATING_IN_THE_OLYMPIAD_OR_THE_CEREMONY_OF_CHAOS;
 			return false;
 		}
+		if (isOnEvent()) // custom event message
+		{
+			_noDuelReason = SystemMessageId.C1_CANNOT_DUEL_BECAUSE_C1_IS_CURRENTLY_ENGAGED_IN_BATTLE;
+			return false;
+		}
 		if (isCursedWeaponEquipped())
 		{
 			_noDuelReason = SystemMessageId.C1_CANNOT_DUEL_BECAUSE_C1_IS_IN_A_CHAOTIC_OR_PURPLE_STATE;

L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/conditions/ConditionPlayerCanSwitchSubclass.java

@@ -66,6 +66,11 @@ public class ConditionPlayerCanSwitchSubclass extends Condition
 			player.sendPacket(SystemMessageId.YOU_CANNOT_CHANGE_YOUR_SUBCLASS_WHILE_REGISTERED_IN_THE_CEREMONY_OF_CHAOS);
 			canSwitchSub = false;
 		}
+		else if (player.isOnEvent())
+		{
+			player.sendMessage("You cannot change your subclass while registered in an event.");
+			canSwitchSub = false;
+		}
 		else if (player.isAllSkillsDisabled())
 		{
 			canSwitchSub = false;

L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/network/clientpackets/RequestFriendInvite.java

@@ -74,6 +74,13 @@ public final class RequestFriendInvite implements IClientIncomingPacket
 			return;
 		}
 		
+		// Cannot request friendship in any custom event.
+		if (activeChar.isOnEvent()) // custom event message
+		{
+			activeChar.sendMessage("You cannot invite a friend while participating in an event.");
+			return;
+		}
+		
 		// Target blocked active player.
 		if (BlockList.isBlocked(friend, activeChar))
 		{

L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/network/clientpackets/RequestJoinParty.java

@@ -92,6 +92,12 @@ public final class RequestJoinParty implements IClientIncomingPacket
 			return;
 		}
 		
+		if (requestor.isOnEvent()) // custom event message
+		{
+			requestor.sendMessage("You cannot invite to a party while participating in an event.");
+			return;
+		}
+		
 		SystemMessage sm;
 		if (target.isInParty())
 		{

L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/network/clientpackets/RequestPrivateStoreBuy.java

@@ -97,6 +97,12 @@ public final class RequestPrivateStoreBuy implements IClientIncomingPacket
 			return;
 		}
 		
+		if (player.isOnEvent()) // custom event message
+		{
+			player.sendMessage("You cannot open a private store while participating in an event.");
+			return;
+		}
+		
 		if (!client.getFloodProtectors().getTransaction().tryPerformAction("privatestorebuy"))
 		{
 			player.sendMessage("You are buying items too fast.");

L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/network/clientpackets/RequestPrivateStoreSell.java

@@ -105,6 +105,12 @@ public final class RequestPrivateStoreSell implements IClientIncomingPacket
 			return;
 		}
 		
+		if (player.isOnEvent()) // custom event message
+		{
+			player.sendMessage("You cannot open a private store while participating in an event.");
+			return;
+		}
+		
 		if (!client.getFloodProtectors().getTransaction().tryPerformAction("privatestoresell"))
 		{
 			player.sendMessage("You are selling items too fast.");

L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/network/clientpackets/ability/RequestAcquireAbilityList.java

@@ -100,6 +100,11 @@ public class RequestAcquireAbilityList implements IClientIncomingPacket
 			activeChar.sendPacket(SystemMessageId.YOU_CANNOT_USE_OR_RESET_ABILITY_POINTS_WHILE_PARTICIPATING_IN_THE_OLYMPIAD_OR_CEREMONY_OF_CHAOS);
 			return;
 		}
+		else if (activeChar.isOnEvent()) // custom event message
+		{
+			activeChar.sendMessage("You cannot use or reset Ability Points while participating in an event.");
+			return;
+		}
 		
 		final int[] pointsSpent = new int[TREE_SIZE];
 		Arrays.fill(pointsSpent, 0);

L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/network/clientpackets/ability/RequestChangeAbilityPoint.java

@@ -71,6 +71,11 @@ public class RequestChangeAbilityPoint implements IClientIncomingPacket
 			activeChar.sendPacket(SystemMessageId.YOU_CANNOT_USE_OR_RESET_ABILITY_POINTS_WHILE_PARTICIPATING_IN_THE_OLYMPIAD_OR_CEREMONY_OF_CHAOS);
 			return;
 		}
+		else if (activeChar.isOnEvent()) // custom event message
+		{
+			activeChar.sendMessage("You cannot use or reset Ability Points while participating in an event.");
+			return;
+		}
 		
 		final long spRequired = AbilityPointsData.getInstance().getPrice(activeChar.getAbilityPoints());
 		if (spRequired > activeChar.getSp())

L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/network/clientpackets/ability/RequestResetAbilityPoint.java

@@ -68,6 +68,11 @@ public class RequestResetAbilityPoint implements IClientIncomingPacket
 			client.sendPacket(SystemMessageId.YOU_CANNOT_USE_OR_RESET_ABILITY_POINTS_WHILE_PARTICIPATING_IN_THE_OLYMPIAD_OR_CEREMONY_OF_CHAOS);
 			return;
 		}
+		else if (activeChar.isOnEvent()) // custom event message
+		{
+			activeChar.sendMessage("You cannot use or reset Ability Points while participating in an event.");
+			return;
+		}
 		else if (activeChar.getAbilityPoints() == 0)
 		{
 			activeChar.sendMessage("You don't have ability points to reset!");

L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/instancemanager/SellBuffsManager.java

@@ -405,6 +405,11 @@ public final class SellBuffsManager implements IGameXmlReader
 			player.sendMessage("You can't sell buffs with Ceremony of Chaos status!");
 			return false;
 		}
+		else if (player.isOnEvent()) // custom event message
+		{
+			player.sendMessage("You can't sell buffs while registered in an event!");
+			return false;
+		}
 		else if (player.isCursedWeaponEquipped() || (player.getReputation() < 0))
 		{
 			player.sendMessage("You can't sell buffs in Chaotic state!");

L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java

@@ -9258,6 +9258,11 @@ public final class L2PcInstance extends L2Playable
 			_noDuelReason = SystemMessageId.C1_CANNOT_DUEL_BECAUSE_C1_IS_PARTICIPATING_IN_THE_OLYMPIAD_OR_THE_CEREMONY_OF_CHAOS;
 			return false;
 		}
+		if (isOnEvent()) // custom event message
+		{
+			_noDuelReason = SystemMessageId.C1_CANNOT_DUEL_BECAUSE_C1_IS_CURRENTLY_ENGAGED_IN_BATTLE;
+			return false;
+		}
 		if (isCursedWeaponEquipped())
 		{
 			_noDuelReason = SystemMessageId.C1_CANNOT_DUEL_BECAUSE_C1_IS_IN_A_CHAOTIC_OR_PURPLE_STATE;

L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/conditions/ConditionPlayerCanSwitchSubclass.java

@@ -66,6 +66,11 @@ public class ConditionPlayerCanSwitchSubclass extends Condition
 			player.sendPacket(SystemMessageId.YOU_CANNOT_CHANGE_YOUR_SUBCLASS_WHILE_REGISTERED_IN_THE_CEREMONY_OF_CHAOS);
 			canSwitchSub = false;
 		}
+		else if (player.isOnEvent())
+		{
+			player.sendMessage("You cannot change your subclass while registered in an event.");
+			canSwitchSub = false;
+		}
 		else if (player.isAllSkillsDisabled())
 		{
 			canSwitchSub = false;

L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/network/clientpackets/RequestFriendInvite.java

@@ -74,6 +74,13 @@ public final class RequestFriendInvite implements IClientIncomingPacket
 			return;
 		}
 		
+		// Cannot request friendship in any custom event.
+		if (activeChar.isOnEvent()) // custom event message
+		{
+			activeChar.sendMessage("You cannot invite a friend while participating in an event.");
+			return;
+		}
+		
 		// Target blocked active player.
 		if (BlockList.isBlocked(friend, activeChar))
 		{

L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/network/clientpackets/RequestJoinParty.java

@@ -92,6 +92,12 @@ public final class RequestJoinParty implements IClientIncomingPacket
 			return;
 		}
 		
+		if (requestor.isOnEvent()) // custom event message
+		{
+			requestor.sendMessage("You cannot invite to a party while participating in an event.");
+			return;
+		}
+		
 		SystemMessage sm;
 		if (target.isInParty())
 		{

L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/network/clientpackets/RequestPrivateStoreBuy.java

@@ -97,6 +97,12 @@ public final class RequestPrivateStoreBuy implements IClientIncomingPacket
 			return;
 		}
 		
+		if (player.isOnEvent()) // custom event message
+		{
+			player.sendMessage("You cannot open a private store while participating in an event.");
+			return;
+		}
+		
 		if (!client.getFloodProtectors().getTransaction().tryPerformAction("privatestorebuy"))
 		{
 			player.sendMessage("You are buying items too fast.");

L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/network/clientpackets/RequestPrivateStoreSell.java

@@ -105,6 +105,12 @@ public final class RequestPrivateStoreSell implements IClientIncomingPacket
 			return;
 		}
 		
+		if (player.isOnEvent()) // custom event message
+		{
+			player.sendMessage("You cannot open a private store while participating in an event.");
+			return;
+		}
+		
 		if (!client.getFloodProtectors().getTransaction().tryPerformAction("privatestoresell"))
 		{
 			player.sendMessage("You are selling items too fast.");

L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/network/clientpackets/ability/RequestAcquireAbilityList.java

@@ -100,6 +100,11 @@ public class RequestAcquireAbilityList implements IClientIncomingPacket
 			activeChar.sendPacket(SystemMessageId.YOU_CANNOT_USE_OR_RESET_ABILITY_POINTS_WHILE_PARTICIPATING_IN_THE_OLYMPIAD_OR_CEREMONY_OF_CHAOS);
 			return;
 		}
+		else if (activeChar.isOnEvent()) // custom event message
+		{
+			activeChar.sendMessage("You cannot use or reset Ability Points while participating in an event.");
+			return;
+		}
 		
 		final int[] pointsSpent = new int[TREE_SIZE];
 		Arrays.fill(pointsSpent, 0);

L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/network/clientpackets/ability/RequestChangeAbilityPoint.java

@@ -71,6 +71,11 @@ public class RequestChangeAbilityPoint implements IClientIncomingPacket
 			activeChar.sendPacket(SystemMessageId.YOU_CANNOT_USE_OR_RESET_ABILITY_POINTS_WHILE_PARTICIPATING_IN_THE_OLYMPIAD_OR_CEREMONY_OF_CHAOS);
 			return;
 		}
+		else if (activeChar.isOnEvent()) // custom event message
+		{
+			activeChar.sendMessage("You cannot use or reset Ability Points while participating in an event.");
+			return;
+		}
 		
 		final long spRequired = AbilityPointsData.getInstance().getPrice(activeChar.getAbilityPoints());
 		if (spRequired > activeChar.getSp())

L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/network/clientpackets/ability/RequestResetAbilityPoint.java

@@ -68,6 +68,11 @@ public class RequestResetAbilityPoint implements IClientIncomingPacket
 			client.sendPacket(SystemMessageId.YOU_CANNOT_USE_OR_RESET_ABILITY_POINTS_WHILE_PARTICIPATING_IN_THE_OLYMPIAD_OR_CEREMONY_OF_CHAOS);
 			return;
 		}
+		else if (activeChar.isOnEvent()) // custom event message
+		{
+			activeChar.sendMessage("You cannot use or reset Ability Points while participating in an event.");
+			return;
+		}
 		else if (activeChar.getAbilityPoints() == 0)
 		{
 			activeChar.sendMessage("You don't have ability points to reset!");