Store sub certificate count in player variables.

L2J_Mobius_1.0_Ertheia/dist/game/data/scripts/ai/areas/TalkingIsland/Trandon/Trandon.java

@@ -23,6 +23,7 @@ import org.l2jmobius.gameserver.data.xml.impl.SkillData;
 import org.l2jmobius.gameserver.enums.Race;
 import org.l2jmobius.gameserver.model.actor.Npc;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.base.SubClass;
 import org.l2jmobius.gameserver.model.events.EventType;
 import org.l2jmobius.gameserver.model.events.ListenerRegisterType;
 import org.l2jmobius.gameserver.model.events.annotations.RegisterEvent;
@@ -51,6 +52,8 @@ public class Trandon extends AbstractNpcAI
 	private static final int[] SUB_SKILL_LEVELS = {65, 70, 75, 80};
 	private static final int[] DUAL_SKILL_LEVELS = {85, 90, 95, 99};
 	// @formatter:on
+	private static final String SUB_CERTIFICATE_COUNT_VAR = "SUB_CERTIFICATE_COUNT";
+	private static final String DUAL_CERTIFICATE_COUNT_VAR = "DUAL_CERTIFICATE_COUNT";
 	
 	private Trandon()
 	{
@@ -153,8 +156,14 @@ public class Trandon extends AbstractNpcAI
 				}
 				else
 				{
+					final int subId = player.getClassId().getId();
+					final int currentCount = player.getVariables().getInt(SUB_CERTIFICATE_COUNT_VAR + subId, 0);
+					if (currentCount < SUB_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(SUB_CERTIFICATE_COUNT_VAR + subId, currentCount + 1);
 						vars.set(getSubSkillVariableName(player, level), true);
 						giveItems(player, SUB_CERTIFICATE, 1);
+					}
 					htmltext = "33490-20.html";
 				}
 				break;
@@ -200,6 +209,10 @@ public class Trandon extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, SUB_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_SUBCLASS_SKILLS);
+					for (SubClass subclass : player.getSubClasses().values())
+					{
+						player.getVariables().remove(SUB_CERTIFICATE_COUNT_VAR + subclass.getClassId());
+					}
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int i = 1; i <= 3; i++)
@@ -234,7 +247,7 @@ public class Trandon extends AbstractNpcAI
 				}
 				
 				final int index = Integer.parseInt(substrings[1]);
-				if ((index < 0) || (index > 3))
+				if ((index < 0) || (index > (DUAL_SKILL_LEVELS.length - 1)))
 				{
 					return null;
 				}
@@ -251,8 +264,13 @@ public class Trandon extends AbstractNpcAI
 				}
 				else
 				{
+					final int currentCount = player.getVariables().getInt(DUAL_CERTIFICATE_COUNT_VAR, 0);
+					if (currentCount < DUAL_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(DUAL_CERTIFICATE_COUNT_VAR, currentCount + 1);
 						vars.set(getDualSkillVariableName(level), true);
 						giveItems(player, DUAL_CERTIFICATE, 1);
+					}
 					htmltext = getHtm(player, "33490-29.html");
 				}
 				htmltext = htmltext.replace("%level%", String.valueOf(level));
@@ -300,6 +318,7 @@ public class Trandon extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, DUAL_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_DUALCLASS_SKILLS);
+					player.getVariables().remove(DUAL_CERTIFICATE_COUNT_VAR);
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int lv : DUAL_SKILL_LEVELS)

L2J_Mobius_2.5_Underground/dist/game/data/scripts/ai/areas/TalkingIsland/Trandon/Trandon.java

@@ -23,6 +23,7 @@ import org.l2jmobius.gameserver.data.xml.impl.SkillData;
 import org.l2jmobius.gameserver.enums.Race;
 import org.l2jmobius.gameserver.model.actor.Npc;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.base.SubClass;
 import org.l2jmobius.gameserver.model.events.EventType;
 import org.l2jmobius.gameserver.model.events.ListenerRegisterType;
 import org.l2jmobius.gameserver.model.events.annotations.RegisterEvent;
@@ -51,6 +52,8 @@ public class Trandon extends AbstractNpcAI
 	private static final int[] SUB_SKILL_LEVELS = {65, 70, 75, 80};
 	private static final int[] DUAL_SKILL_LEVELS = {85, 90, 95, 99};
 	// @formatter:on
+	private static final String SUB_CERTIFICATE_COUNT_VAR = "SUB_CERTIFICATE_COUNT";
+	private static final String DUAL_CERTIFICATE_COUNT_VAR = "DUAL_CERTIFICATE_COUNT";
 	
 	private Trandon()
 	{
@@ -153,8 +156,14 @@ public class Trandon extends AbstractNpcAI
 				}
 				else
 				{
+					final int subId = player.getClassId().getId();
+					final int currentCount = player.getVariables().getInt(SUB_CERTIFICATE_COUNT_VAR + subId, 0);
+					if (currentCount < SUB_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(SUB_CERTIFICATE_COUNT_VAR + subId, currentCount + 1);
 						vars.set(getSubSkillVariableName(player, level), true);
 						giveItems(player, SUB_CERTIFICATE, 1);
+					}
 					htmltext = "33490-20.html";
 				}
 				break;
@@ -200,6 +209,10 @@ public class Trandon extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, SUB_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_SUBCLASS_SKILLS);
+					for (SubClass subclass : player.getSubClasses().values())
+					{
+						player.getVariables().remove(SUB_CERTIFICATE_COUNT_VAR + subclass.getClassId());
+					}
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int i = 1; i <= 3; i++)
@@ -234,7 +247,7 @@ public class Trandon extends AbstractNpcAI
 				}
 				
 				final int index = Integer.parseInt(substrings[1]);
-				if ((index < 0) || (index > 3))
+				if ((index < 0) || (index > (DUAL_SKILL_LEVELS.length - 1)))
 				{
 					return null;
 				}
@@ -251,8 +264,13 @@ public class Trandon extends AbstractNpcAI
 				}
 				else
 				{
+					final int currentCount = player.getVariables().getInt(DUAL_CERTIFICATE_COUNT_VAR, 0);
+					if (currentCount < DUAL_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(DUAL_CERTIFICATE_COUNT_VAR, currentCount + 1);
 						vars.set(getDualSkillVariableName(level), true);
 						giveItems(player, DUAL_CERTIFICATE, 1);
+					}
 					htmltext = getHtm(player, "33490-29.html");
 				}
 				htmltext = htmltext.replace("%level%", String.valueOf(level));
@@ -300,6 +318,7 @@ public class Trandon extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, DUAL_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_DUALCLASS_SKILLS);
+					player.getVariables().remove(DUAL_CERTIFICATE_COUNT_VAR);
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int lv : DUAL_SKILL_LEVELS)

L2J_Mobius_3.0_Helios/dist/game/data/scripts/ai/areas/TalkingIsland/Trandon/Trandon.java

@@ -23,6 +23,7 @@ import org.l2jmobius.gameserver.data.xml.impl.SkillData;
 import org.l2jmobius.gameserver.enums.Race;
 import org.l2jmobius.gameserver.model.actor.Npc;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.base.SubClass;
 import org.l2jmobius.gameserver.model.events.EventType;
 import org.l2jmobius.gameserver.model.events.ListenerRegisterType;
 import org.l2jmobius.gameserver.model.events.annotations.RegisterEvent;
@@ -51,6 +52,8 @@ public class Trandon extends AbstractNpcAI
 	private static final int[] SUB_SKILL_LEVELS = {65, 70, 75, 80};
 	private static final int[] DUAL_SKILL_LEVELS = {85, 90, 95, 99};
 	// @formatter:on
+	private static final String SUB_CERTIFICATE_COUNT_VAR = "SUB_CERTIFICATE_COUNT";
+	private static final String DUAL_CERTIFICATE_COUNT_VAR = "DUAL_CERTIFICATE_COUNT";
 	
 	private Trandon()
 	{
@@ -153,8 +156,14 @@ public class Trandon extends AbstractNpcAI
 				}
 				else
 				{
+					final int subId = player.getClassId().getId();
+					final int currentCount = player.getVariables().getInt(SUB_CERTIFICATE_COUNT_VAR + subId, 0);
+					if (currentCount < SUB_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(SUB_CERTIFICATE_COUNT_VAR + subId, currentCount + 1);
 						vars.set(getSubSkillVariableName(player, level), true);
 						giveItems(player, SUB_CERTIFICATE, 1);
+					}
 					htmltext = "33490-20.html";
 				}
 				break;
@@ -200,6 +209,10 @@ public class Trandon extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, SUB_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_SUBCLASS_SKILLS);
+					for (SubClass subclass : player.getSubClasses().values())
+					{
+						player.getVariables().remove(SUB_CERTIFICATE_COUNT_VAR + subclass.getClassId());
+					}
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int i = 1; i <= 3; i++)
@@ -234,7 +247,7 @@ public class Trandon extends AbstractNpcAI
 				}
 				
 				final int index = Integer.parseInt(substrings[1]);
-				if ((index < 0) || (index > 3))
+				if ((index < 0) || (index > (DUAL_SKILL_LEVELS.length - 1)))
 				{
 					return null;
 				}
@@ -251,8 +264,13 @@ public class Trandon extends AbstractNpcAI
 				}
 				else
 				{
+					final int currentCount = player.getVariables().getInt(DUAL_CERTIFICATE_COUNT_VAR, 0);
+					if (currentCount < DUAL_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(DUAL_CERTIFICATE_COUNT_VAR, currentCount + 1);
 						vars.set(getDualSkillVariableName(level), true);
 						giveItems(player, DUAL_CERTIFICATE, 1);
+					}
 					htmltext = getHtm(player, "33490-29.html");
 				}
 				htmltext = htmltext.replace("%level%", String.valueOf(level));
@@ -300,6 +318,7 @@ public class Trandon extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, DUAL_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_DUALCLASS_SKILLS);
+					player.getVariables().remove(DUAL_CERTIFICATE_COUNT_VAR);
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int lv : DUAL_SKILL_LEVELS)

L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/ai/areas/TalkingIsland/Trandon/Trandon.java

@@ -23,6 +23,7 @@ import org.l2jmobius.gameserver.data.xml.impl.SkillData;
 import org.l2jmobius.gameserver.enums.Race;
 import org.l2jmobius.gameserver.model.actor.Npc;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.base.SubClass;
 import org.l2jmobius.gameserver.model.events.EventType;
 import org.l2jmobius.gameserver.model.events.ListenerRegisterType;
 import org.l2jmobius.gameserver.model.events.annotations.RegisterEvent;
@@ -51,6 +52,8 @@ public class Trandon extends AbstractNpcAI
 	private static final int[] SUB_SKILL_LEVELS = {65, 70, 75, 80};
 	private static final int[] DUAL_SKILL_LEVELS = {85, 90, 95, 99, 101, 103, 105};
 	// @formatter:on
+	private static final String SUB_CERTIFICATE_COUNT_VAR = "SUB_CERTIFICATE_COUNT";
+	private static final String DUAL_CERTIFICATE_COUNT_VAR = "DUAL_CERTIFICATE_COUNT";
 	
 	private Trandon()
 	{
@@ -153,8 +156,14 @@ public class Trandon extends AbstractNpcAI
 				}
 				else
 				{
+					final int subId = player.getClassId().getId();
+					final int currentCount = player.getVariables().getInt(SUB_CERTIFICATE_COUNT_VAR + subId, 0);
+					if (currentCount < SUB_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(SUB_CERTIFICATE_COUNT_VAR + subId, currentCount + 1);
 						vars.set(getSubSkillVariableName(player, level), true);
 						giveItems(player, SUB_CERTIFICATE, 1);
+					}
 					htmltext = "33490-20.html";
 				}
 				break;
@@ -200,6 +209,10 @@ public class Trandon extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, SUB_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_SUBCLASS_SKILLS);
+					for (SubClass subclass : player.getSubClasses().values())
+					{
+						player.getVariables().remove(SUB_CERTIFICATE_COUNT_VAR + subclass.getClassId());
+					}
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int i = 1; i <= 3; i++)
@@ -251,8 +264,13 @@ public class Trandon extends AbstractNpcAI
 				}
 				else
 				{
+					final int currentCount = player.getVariables().getInt(DUAL_CERTIFICATE_COUNT_VAR, 0);
+					if (currentCount < DUAL_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(DUAL_CERTIFICATE_COUNT_VAR, currentCount + 1);
 						vars.set(getDualSkillVariableName(level), true);
 						giveItems(player, DUAL_CERTIFICATE, 1);
+					}
 					htmltext = getHtm(player, "33490-29.html");
 				}
 				htmltext = htmltext.replace("%level%", String.valueOf(level));
@@ -300,6 +318,7 @@ public class Trandon extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, DUAL_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_DUALCLASS_SKILLS);
+					player.getVariables().remove(DUAL_CERTIFICATE_COUNT_VAR);
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int lv : DUAL_SKILL_LEVELS)

L2J_Mobius_5.0_Salvation/dist/game/data/scripts/ai/areas/TalkingIsland/Trandon/Trandon.java

@@ -23,6 +23,7 @@ import org.l2jmobius.gameserver.data.xml.impl.SkillData;
 import org.l2jmobius.gameserver.enums.Race;
 import org.l2jmobius.gameserver.model.actor.Npc;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.base.SubClass;
 import org.l2jmobius.gameserver.model.events.EventType;
 import org.l2jmobius.gameserver.model.events.ListenerRegisterType;
 import org.l2jmobius.gameserver.model.events.annotations.RegisterEvent;
@@ -51,6 +52,8 @@ public class Trandon extends AbstractNpcAI
 	private static final int[] SUB_SKILL_LEVELS = {65, 70, 75, 80};
 	private static final int[] DUAL_SKILL_LEVELS = {85, 90, 95, 99, 101, 103, 105};
 	// @formatter:on
+	private static final String SUB_CERTIFICATE_COUNT_VAR = "SUB_CERTIFICATE_COUNT";
+	private static final String DUAL_CERTIFICATE_COUNT_VAR = "DUAL_CERTIFICATE_COUNT";
 	
 	private Trandon()
 	{
@@ -153,8 +156,14 @@ public class Trandon extends AbstractNpcAI
 				}
 				else
 				{
+					final int subId = player.getClassId().getId();
+					final int currentCount = player.getVariables().getInt(SUB_CERTIFICATE_COUNT_VAR + subId, 0);
+					if (currentCount < SUB_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(SUB_CERTIFICATE_COUNT_VAR + subId, currentCount + 1);
 						vars.set(getSubSkillVariableName(player, level), true);
 						giveItems(player, SUB_CERTIFICATE, 1);
+					}
 					htmltext = "33490-20.html";
 				}
 				break;
@@ -200,6 +209,10 @@ public class Trandon extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, SUB_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_SUBCLASS_SKILLS);
+					for (SubClass subclass : player.getSubClasses().values())
+					{
+						player.getVariables().remove(SUB_CERTIFICATE_COUNT_VAR + subclass.getClassId());
+					}
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int i = 1; i <= 3; i++)
@@ -251,8 +264,13 @@ public class Trandon extends AbstractNpcAI
 				}
 				else
 				{
+					final int currentCount = player.getVariables().getInt(DUAL_CERTIFICATE_COUNT_VAR, 0);
+					if (currentCount < DUAL_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(DUAL_CERTIFICATE_COUNT_VAR, currentCount + 1);
 						vars.set(getDualSkillVariableName(level), true);
 						giveItems(player, DUAL_CERTIFICATE, 1);
+					}
 					htmltext = getHtm(player, "33490-29.html");
 				}
 				htmltext = htmltext.replace("%level%", String.valueOf(level));
@@ -300,6 +318,7 @@ public class Trandon extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, DUAL_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_DUALCLASS_SKILLS);
+					player.getVariables().remove(DUAL_CERTIFICATE_COUNT_VAR);
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int lv : DUAL_SKILL_LEVELS)

L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/ai/areas/TalkingIsland/Trandon/Trandon.java

@@ -23,6 +23,7 @@ import org.l2jmobius.gameserver.data.xml.impl.SkillData;
 import org.l2jmobius.gameserver.enums.Race;
 import org.l2jmobius.gameserver.model.actor.Npc;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.base.SubClass;
 import org.l2jmobius.gameserver.model.events.EventType;
 import org.l2jmobius.gameserver.model.events.ListenerRegisterType;
 import org.l2jmobius.gameserver.model.events.annotations.RegisterEvent;
@@ -51,6 +52,8 @@ public class Trandon extends AbstractNpcAI
 	private static final int[] SUB_SKILL_LEVELS = {65, 70, 75, 80};
 	private static final int[] DUAL_SKILL_LEVELS = {85, 90, 95, 99, 101, 103, 105};
 	// @formatter:on
+	private static final String SUB_CERTIFICATE_COUNT_VAR = "SUB_CERTIFICATE_COUNT";
+	private static final String DUAL_CERTIFICATE_COUNT_VAR = "DUAL_CERTIFICATE_COUNT";
 	
 	private Trandon()
 	{
@@ -153,8 +156,14 @@ public class Trandon extends AbstractNpcAI
 				}
 				else
 				{
+					final int subId = player.getClassId().getId();
+					final int currentCount = player.getVariables().getInt(SUB_CERTIFICATE_COUNT_VAR + subId, 0);
+					if (currentCount < SUB_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(SUB_CERTIFICATE_COUNT_VAR + subId, currentCount + 1);
 						vars.set(getSubSkillVariableName(player, level), true);
 						giveItems(player, SUB_CERTIFICATE, 1);
+					}
 					htmltext = "33490-20.html";
 				}
 				break;
@@ -200,6 +209,10 @@ public class Trandon extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, SUB_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_SUBCLASS_SKILLS);
+					for (SubClass subclass : player.getSubClasses().values())
+					{
+						player.getVariables().remove(SUB_CERTIFICATE_COUNT_VAR + subclass.getClassId());
+					}
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int i = 1; i <= 3; i++)
@@ -251,8 +264,13 @@ public class Trandon extends AbstractNpcAI
 				}
 				else
 				{
+					final int currentCount = player.getVariables().getInt(DUAL_CERTIFICATE_COUNT_VAR, 0);
+					if (currentCount < DUAL_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(DUAL_CERTIFICATE_COUNT_VAR, currentCount + 1);
 						vars.set(getDualSkillVariableName(level), true);
 						giveItems(player, DUAL_CERTIFICATE, 1);
+					}
 					htmltext = getHtm(player, "33490-29.html");
 				}
 				htmltext = htmltext.replace("%level%", String.valueOf(level));
@@ -300,6 +318,7 @@ public class Trandon extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, DUAL_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_DUALCLASS_SKILLS);
+					player.getVariables().remove(DUAL_CERTIFICATE_COUNT_VAR);
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int lv : DUAL_SKILL_LEVELS)

L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/ai/areas/TalkingIsland/Trandon/Trandon.java

@@ -23,6 +23,7 @@ import org.l2jmobius.gameserver.data.xml.impl.SkillData;
 import org.l2jmobius.gameserver.enums.Race;
 import org.l2jmobius.gameserver.model.actor.Npc;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.base.SubClass;
 import org.l2jmobius.gameserver.model.events.EventType;
 import org.l2jmobius.gameserver.model.events.ListenerRegisterType;
 import org.l2jmobius.gameserver.model.events.annotations.RegisterEvent;
@@ -51,6 +52,8 @@ public class Trandon extends AbstractNpcAI
 	private static final int[] SUB_SKILL_LEVELS = {65, 70, 75, 80};
 	private static final int[] DUAL_SKILL_LEVELS = {85, 90, 95, 99, 101, 103, 105};
 	// @formatter:on
+	private static final String SUB_CERTIFICATE_COUNT_VAR = "SUB_CERTIFICATE_COUNT";
+	private static final String DUAL_CERTIFICATE_COUNT_VAR = "DUAL_CERTIFICATE_COUNT";
 	
 	private Trandon()
 	{
@@ -153,8 +156,14 @@ public class Trandon extends AbstractNpcAI
 				}
 				else
 				{
+					final int subId = player.getClassId().getId();
+					final int currentCount = player.getVariables().getInt(SUB_CERTIFICATE_COUNT_VAR + subId, 0);
+					if (currentCount < SUB_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(SUB_CERTIFICATE_COUNT_VAR + subId, currentCount + 1);
 						vars.set(getSubSkillVariableName(player, level), true);
 						giveItems(player, SUB_CERTIFICATE, 1);
+					}
 					htmltext = "33490-20.html";
 				}
 				break;
@@ -200,6 +209,10 @@ public class Trandon extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, SUB_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_SUBCLASS_SKILLS);
+					for (SubClass subclass : player.getSubClasses().values())
+					{
+						player.getVariables().remove(SUB_CERTIFICATE_COUNT_VAR + subclass.getClassId());
+					}
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int i = 1; i <= 3; i++)
@@ -251,8 +264,13 @@ public class Trandon extends AbstractNpcAI
 				}
 				else
 				{
+					final int currentCount = player.getVariables().getInt(DUAL_CERTIFICATE_COUNT_VAR, 0);
+					if (currentCount < DUAL_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(DUAL_CERTIFICATE_COUNT_VAR, currentCount + 1);
 						vars.set(getDualSkillVariableName(level), true);
 						giveItems(player, DUAL_CERTIFICATE, 1);
+					}
 					htmltext = getHtm(player, "33490-29.html");
 				}
 				htmltext = htmltext.replace("%level%", String.valueOf(level));
@@ -300,6 +318,7 @@ public class Trandon extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, DUAL_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_DUALCLASS_SKILLS);
+					player.getVariables().remove(DUAL_CERTIFICATE_COUNT_VAR);
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int lv : DUAL_SKILL_LEVELS)

L2J_Mobius_7.0_PreludeOfWar/dist/game/data/scripts/ai/areas/Aden/Gallias/Gallias.java

@@ -22,6 +22,7 @@ import org.l2jmobius.Config;
 import org.l2jmobius.gameserver.data.xml.impl.SkillData;
 import org.l2jmobius.gameserver.model.actor.Npc;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.base.SubClass;
 import org.l2jmobius.gameserver.model.events.EventType;
 import org.l2jmobius.gameserver.model.events.ListenerRegisterType;
 import org.l2jmobius.gameserver.model.events.annotations.RegisterEvent;
@@ -53,6 +54,8 @@ public class Gallias extends AbstractNpcAI
 	private static final int[] SUB_SKILL_LEVELS = {65, 70, 75, 80};
 	private static final int[] DUAL_SKILL_LEVELS = {85, 90, 95, 99, 101, 103, 105};
 	// @formatter:on
+	private static final String SUB_CERTIFICATE_COUNT_VAR = "SUB_CERTIFICATE_COUNT";
+	private static final String DUAL_CERTIFICATE_COUNT_VAR = "DUAL_CERTIFICATE_COUNT";
 	
 	private Gallias()
 	{
@@ -167,8 +170,14 @@ public class Gallias extends AbstractNpcAI
 				}
 				else
 				{
+					final int subId = player.getClassId().getId();
+					final int currentCount = player.getVariables().getInt(SUB_CERTIFICATE_COUNT_VAR + subId, 0);
+					if (currentCount < SUB_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(SUB_CERTIFICATE_COUNT_VAR + subId, currentCount + 1);
 						vars.set(getSubSkillVariableName(player, level), true);
 						giveItems(player, SUB_CERTIFICATE, 1);
+					}
 					htmltext = "34514-20.html";
 				}
 				break;
@@ -205,6 +214,10 @@ public class Gallias extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, SUB_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_SUBCLASS_SKILLS);
+					for (SubClass subclass : player.getSubClasses().values())
+					{
+						player.getVariables().remove(SUB_CERTIFICATE_COUNT_VAR + subclass.getClassId());
+					}
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int i = 1; i <= 3; i++)
@@ -256,8 +269,13 @@ public class Gallias extends AbstractNpcAI
 				}
 				else
 				{
+					final int currentCount = player.getVariables().getInt(DUAL_CERTIFICATE_COUNT_VAR, 0);
+					if (currentCount < DUAL_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(DUAL_CERTIFICATE_COUNT_VAR, currentCount + 1);
 						vars.set(getDualSkillVariableName(level), true);
 						giveItems(player, DUAL_CERTIFICATE, 1);
+					}
 					htmltext = getHtm(player, "34514-29.html");
 				}
 				htmltext = htmltext.replace("%level%", String.valueOf(level));
@@ -305,6 +323,7 @@ public class Gallias extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, DUAL_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_DUALCLASS_SKILLS);
+					player.getVariables().remove(DUAL_CERTIFICATE_COUNT_VAR);
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int lv : DUAL_SKILL_LEVELS)

L2J_Mobius_7.0_PreludeOfWar/dist/game/data/scripts/ai/areas/TalkingIsland/Trandon/Trandon.java

@@ -23,6 +23,7 @@ import org.l2jmobius.gameserver.data.xml.impl.SkillData;
 import org.l2jmobius.gameserver.enums.Race;
 import org.l2jmobius.gameserver.model.actor.Npc;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.base.SubClass;
 import org.l2jmobius.gameserver.model.events.EventType;
 import org.l2jmobius.gameserver.model.events.ListenerRegisterType;
 import org.l2jmobius.gameserver.model.events.annotations.RegisterEvent;
@@ -51,6 +52,8 @@ public class Trandon extends AbstractNpcAI
 	private static final int[] SUB_SKILL_LEVELS = {65, 70, 75, 80};
 	private static final int[] DUAL_SKILL_LEVELS = {85, 90, 95, 99, 101, 103, 105};
 	// @formatter:on
+	private static final String SUB_CERTIFICATE_COUNT_VAR = "SUB_CERTIFICATE_COUNT";
+	private static final String DUAL_CERTIFICATE_COUNT_VAR = "DUAL_CERTIFICATE_COUNT";
 	
 	private Trandon()
 	{
@@ -153,8 +156,14 @@ public class Trandon extends AbstractNpcAI
 				}
 				else
 				{
+					final int subId = player.getClassId().getId();
+					final int currentCount = player.getVariables().getInt(SUB_CERTIFICATE_COUNT_VAR + subId, 0);
+					if (currentCount < SUB_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(SUB_CERTIFICATE_COUNT_VAR + subId, currentCount + 1);
 						vars.set(getSubSkillVariableName(player, level), true);
 						giveItems(player, SUB_CERTIFICATE, 1);
+					}
 					htmltext = "33490-20.html";
 				}
 				break;
@@ -200,6 +209,10 @@ public class Trandon extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, SUB_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_SUBCLASS_SKILLS);
+					for (SubClass subclass : player.getSubClasses().values())
+					{
+						player.getVariables().remove(SUB_CERTIFICATE_COUNT_VAR + subclass.getClassId());
+					}
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int i = 1; i <= 3; i++)
@@ -251,8 +264,13 @@ public class Trandon extends AbstractNpcAI
 				}
 				else
 				{
+					final int currentCount = player.getVariables().getInt(DUAL_CERTIFICATE_COUNT_VAR, 0);
+					if (currentCount < DUAL_SKILL_LEVELS.length)
+					{
+						player.getVariables().set(DUAL_CERTIFICATE_COUNT_VAR, currentCount + 1);
 						vars.set(getDualSkillVariableName(level), true);
 						giveItems(player, DUAL_CERTIFICATE, 1);
+					}
 					htmltext = getHtm(player, "33490-29.html");
 				}
 				htmltext = htmltext.replace("%level%", String.valueOf(level));
@@ -300,6 +318,7 @@ public class Trandon extends AbstractNpcAI
 					htmltext = null; // TODO: Unknown html
 					takeItems(player, DUAL_CERTIFICATE, -1);
 					takeItems(player, Inventory.ADENA_ID, Config.FEE_DELETE_DUALCLASS_SKILLS);
+					player.getVariables().remove(DUAL_CERTIFICATE_COUNT_VAR);
 					
 					final PlayerVariables vars = player.getVariables();
 					for (int lv : DUAL_SKILL_LEVELS)