Spawn system rework.

Thanks Sdw.
Author: UnAfraid, ?

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

@@ -159,41 +159,24 @@ public class DBSpawnManager
 		}
 	}
 	
-	private class SpawnSchedule implements Runnable
+	private void scheduleSpawn(int npcId)
 	{
-		private final Logger LOGGER = Logger.getLogger(SpawnSchedule.class.getName());
+		final L2Npc npc = _spawns.get(npcId).doSpawn();
-		
+		if (npc != null)
-		private final int _npcId;
-		
-		/**
-		 * Instantiates a new spawn schedule.
-		 * @param npcId the npc id
-		 */
-		public SpawnSchedule(int npcId)
 		{
-			_npcId = npcId;
+			npc.setDBStatus(DBStatusType.ALIVE);
-		}
-		
-		@Override
-		public void run()
-		{
-			final L2Npc npc = _spawns.get(_npcId).doSpawn();
-			if (npc != null)
-			{
-				npc.setDBStatus(DBStatusType.ALIVE);
-				
-				final StatsSet info = new StatsSet();
-				info.set("currentHP", npc.getCurrentHp());
-				info.set("currentMP", npc.getCurrentMp());
-				info.set("respawnTime", 0L);
-				
-				_storedInfo.put(_npcId, info);
-				_npcs.put(_npcId, npc);
-				LOGGER.info(getClass().getSimpleName() + ": Spawning NPC " + npc.getName());
-			}
 			
-			_schedules.remove(_npcId);
+			final StatsSet info = new StatsSet();
+			info.set("currentHP", npc.getCurrentHp());
+			info.set("currentMP", npc.getCurrentMp());
+			info.set("respawnTime", 0L);
+			
+			_storedInfo.put(npcId, info);
+			_npcs.put(npcId, npc);
+			LOGGER.info(getClass().getSimpleName() + ": Spawning NPC " + npc.getName());
 		}
+		
+		_schedules.remove(npcId);
 	}
 	
 	/**
@@ -226,7 +209,7 @@ public class DBSpawnManager
 			{
 				LOGGER.info(getClass().getSimpleName() + ": Updated " + npc.getName() + " respawn time to " + Util.formatDate(new Date(respawnTime), "dd.MM.yyyy HH:mm"));
 				
-				_schedules.put(npc.getId(), ThreadPoolManager.schedule(new SpawnSchedule(npc.getId()), respawnDelay));
+				_schedules.put(npc.getId(), ThreadPoolManager.schedule(() -> scheduleSpawn(npc.getId()), respawnDelay));
 				updateDb();
 			}
 		}
@@ -287,7 +270,7 @@ public class DBSpawnManager
 		else
 		{
 			final long spawnTime = respawnTime - System.currentTimeMillis();
-			_schedules.put(npcId, ThreadPoolManager.schedule(new SpawnSchedule(npcId), spawnTime));
+			_schedules.put(npcId, ThreadPoolManager.schedule(() -> scheduleSpawn(npcId), spawnTime));
 		}
 		
 		_spawns.put(npcId, spawn);
@@ -315,17 +298,18 @@ public class DBSpawnManager
 		}
 	}
 	
-	public void addNewSpawn(L2Spawn spawn, boolean storeInDb)
+	public L2Npc addNewSpawn(L2Spawn spawn, boolean storeInDb)
 	{
 		if (spawn == null)
 		{
-			return;
+			return null;
 		}
 		
 		final int npcId = spawn.getId();
-		if (_spawns.containsKey(npcId))
+		final L2Spawn existingSpawn = _spawns.get(npcId);
+		if (existingSpawn != null)
 		{
-			return;
+			return existingSpawn.getLastSpawn();
 		}
 		
 		SpawnTable.getInstance().addNewSpawn(spawn, false);
@@ -368,6 +352,8 @@ public class DBSpawnManager
 				LOGGER.log(Level.WARNING, getClass().getSimpleName() + ": Could not store npc #" + npcId + " in the DB: ", e);
 			}
 		}
+		
+		return npc;
 	}
 	
 	/**

L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/spawns/NpcSpawnTemplate.java

@@ -93,6 +93,7 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 		_spawnAnimation = set.getBoolean("spawnAnimation", false);
 		_saveInDB = set.getBoolean("dbSave", false);
 		_dbName = set.getString("dbName", null);
+		_parameters = mergeParameters(spawnTemplate, group);
 		
 		final int x = set.getInt("x", Integer.MAX_VALUE);
 		final int y = set.getInt("y", Integer.MAX_VALUE);
@@ -123,6 +124,31 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 				_zone = zone;
 			}
 		}
+		
+		mergeParameters(spawnTemplate, group);
+	}
+	
+	private StatsSet mergeParameters(SpawnTemplate spawnTemplate, SpawnGroup group)
+	{
+		if ((_parameters == null) && (spawnTemplate.getParameters() == null) && (group.getParameters() == null))
+		{
+			return null;
+		}
+		
+		final StatsSet set = new StatsSet();
+		if (spawnTemplate.getParameters() != null)
+		{
+			set.merge(spawnTemplate.getParameters());
+		}
+		if (group.getParameters() != null)
+		{
+			set.merge(group.getParameters());
+		}
+		if (_parameters != null)
+		{
+			set.merge(_parameters);
+		}
+		return set;
 	}
 	
 	public void addSpawnLocation(ChanceLocation loc)
@@ -188,7 +214,14 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 	@Override
 	public void setParameters(StatsSet parameters)
 	{
-		_parameters = parameters;
+		if (_parameters == null)
+		{
+			_parameters = parameters;
+		}
+		else
+		{
+			_parameters.merge(parameters);
+		}
 	}
 	
 	public boolean hasSpawnAnimation()
@@ -233,8 +266,7 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 			float cumulativeChance = 0;
 			for (ChanceLocation loc : _locations)
 			{
-				cumulativeChance += loc.getChance();
+				if (locRandom <= (cumulativeChance += loc.getChance()))
-				if (locRandom <= cumulativeChance)
 				{
 					return loc;
 				}
@@ -285,70 +317,21 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 		try
 		{
 			final L2NpcTemplate npcTemplate = NpcData.getInstance().getTemplate(_id);
-			if (npcTemplate != null)
+			if (npcTemplate == null)
 			{
-				if (npcTemplate.isType("L2Defender"))
+				LOGGER.warning("Attempting to spawn unexisting npc id: " + _id + " file: " + _spawnTemplate.getFile().getName() + " spawn: " + _spawnTemplate.getName() + " group: " + _group.getName());
-				{
+				return;
-					LOGGER.warning("Attempting to spawn npc id: " + _id + " type: " + npcTemplate.getType() + " file: " + _spawnTemplate.getFile().getName() + " spawn: " + _spawnTemplate.getName() + " group: " + _group.getName());
+			}
-					return;
+			
-				}
+			if (npcTemplate.isType("L2Defender"))
-				
+			{
-				final L2Spawn spawn = new L2Spawn(npcTemplate);
+				LOGGER.warning("Attempting to spawn npc id: " + _id + " type: " + npcTemplate.getType() + " file: " + _spawnTemplate.getFile().getName() + " spawn: " + _spawnTemplate.getName() + " group: " + _group.getName());
-				final Location loc = getSpawnLocation();
+				return;
-				if (loc == null)
+			}
-				{
+			
-					LOGGER.warning("Couldn't initialize new spawn, no location found!");
+			for (int i = 0; i < _count; i++)
-					return;
+			{
-				}
+				spawnNpc(npcTemplate, instance);
-				
-				spawn.setInstanceId(instance != null ? instance.getId() : 0);
-				spawn.setXYZ(loc);
-				spawn.setHeading(loc.getHeading());
-				spawn.setAmount(_count);
-				spawn.setLocation(loc);
-				int respawn = 0, respawnRandom = 0;
-				if (_respawnTime != null)
-				{
-					respawn = (int) _respawnTime.getSeconds();
-				}
-				if (_respawnTimeRandom != null)
-				{
-					respawnRandom = (int) _respawnTimeRandom.getSeconds();
-				}
-				
-				if (respawn > 0)
-				{
-					spawn.setRespawnDelay(respawn, respawnRandom);
-					spawn.startRespawn();
-				}
-				else
-				{
-					spawn.stopRespawn();
-				}
-				
-				spawn.setSpawnTemplate(this);
-				
-				if (_saveInDB)
-				{
-					if (!DBSpawnManager.getInstance().isDefined(_id))
-					{
-						DBSpawnManager.getInstance().addNewSpawn(spawn, true);
-					}
-				}
-				else
-				{
-					for (int i = 0; i < spawn.getAmount(); i++)
-					{
-						final L2Npc npc = spawn.doSpawn(_spawnAnimation);
-						if (npc.isMonster() && (_minions != null))
-						{
-							((L2MonsterInstance) npc).getMinionList().spawnMinions(_minions);
-						}
-						_spawnedNpcs.add(npc);
-					}
-					
-					SpawnTable.getInstance().addNewSpawn(spawn, false);
-				}
 			}
 		}
 		catch (Exception e)
@@ -357,6 +340,77 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 		}
 	}
 	
+	/**
+	 * @param npcTemplate
+	 * @param instance
+	 * @throws ClassCastException
+	 * @throws NoSuchMethodException
+	 * @throws ClassNotFoundException
+	 * @throws SecurityException
+	 */
+	private void spawnNpc(L2NpcTemplate npcTemplate, Instance instance) throws SecurityException, ClassNotFoundException, NoSuchMethodException, ClassCastException
+	{
+		final L2Spawn spawn = new L2Spawn(npcTemplate);
+		final Location loc = getSpawnLocation();
+		if (loc == null)
+		{
+			LOGGER.warning("Couldn't initialize new spawn, no location found!");
+			return;
+		}
+		
+		spawn.setInstanceId(instance != null ? instance.getId() : 0);
+		spawn.setAmount(1);
+		spawn.setXYZ(loc);
+		spawn.setHeading(loc.getHeading());
+		spawn.setLocation(loc);
+		int respawn = 0, respawnRandom = 0;
+		if (_respawnTime != null)
+		{
+			respawn = (int) _respawnTime.getSeconds();
+		}
+		if (_respawnTimeRandom != null)
+		{
+			respawnRandom = (int) _respawnTimeRandom.getSeconds();
+		}
+		
+		if (respawn > 0)
+		{
+			spawn.setRespawnDelay(respawn, respawnRandom);
+			spawn.startRespawn();
+		}
+		else
+		{
+			spawn.stopRespawn();
+		}
+		
+		spawn.setSpawnTemplate(this);
+		
+		if (_saveInDB)
+		{
+			if (!DBSpawnManager.getInstance().isDefined(_id))
+			{
+				final L2Npc spawnedNpc = DBSpawnManager.getInstance().addNewSpawn(spawn, true);
+				if ((spawnedNpc != null) && spawnedNpc.isMonster() && (_minions != null))
+				{
+					((L2MonsterInstance) spawnedNpc).getMinionList().spawnMinions(_minions);
+				}
+				
+				_spawnedNpcs.add(spawnedNpc);
+			}
+		}
+		else
+		{
+			final L2Npc npc = spawn.doSpawn(_spawnAnimation);
+			if (npc.isMonster() && (_minions != null))
+			{
+				((L2MonsterInstance) npc).getMinionList().spawnMinions(_minions);
+			}
+			_spawnedNpcs.add(npc);
+			
+			SpawnTable.getInstance().addNewSpawn(spawn, false);
+		}
+	}
+	
 	public void despawn()
 	{
 		_spawnedNpcs.forEach(npc ->

L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/spawns/SpawnGroup.java

@@ -23,6 +23,7 @@ import java.util.stream.Collectors;
 
 import com.l2jmobius.gameserver.model.StatsSet;
 import com.l2jmobius.gameserver.model.instancezone.Instance;
+import com.l2jmobius.gameserver.model.interfaces.IParameterized;
 import com.l2jmobius.gameserver.model.interfaces.ITerritorized;
 import com.l2jmobius.gameserver.model.zone.type.L2BannedSpawnTerritory;
 import com.l2jmobius.gameserver.model.zone.type.L2SpawnTerritory;
@@ -30,13 +31,14 @@ import com.l2jmobius.gameserver.model.zone.type.L2SpawnTerritory;
 /**
  * @author UnAfraid
  */
-public class SpawnGroup implements Cloneable, ITerritorized
+public class SpawnGroup implements Cloneable, ITerritorized, IParameterized<StatsSet>
 {
 	private final String _name;
 	private final boolean _spawnByDefault;
 	private List<L2SpawnTerritory> _territories;
 	private List<L2BannedSpawnTerritory> _bannedTerritories;
 	private final List<NpcSpawnTemplate> _spawns = new ArrayList<>();
+	private StatsSet _parameters;
 	
 	public SpawnGroup(StatsSet set)
 	{
@@ -101,6 +103,18 @@ public class SpawnGroup implements Cloneable, ITerritorized
 		return _bannedTerritories != null ? _bannedTerritories : Collections.emptyList();
 	}
 	
+	@Override
+	public StatsSet getParameters()
+	{
+		return _parameters;
+	}
+	
+	@Override
+	public void setParameters(StatsSet parameters)
+	{
+		_parameters = parameters;
+	}
+	
 	public List<NpcSpawnTemplate> getSpawnsById(int id)
 	{
 		return _spawns.stream().filter(spawn -> spawn.getId() == id).collect(Collectors.toList());

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

@@ -159,41 +159,24 @@ public class DBSpawnManager
 		}
 	}
 	
-	private class SpawnSchedule implements Runnable
+	private void scheduleSpawn(int npcId)
 	{
-		private final Logger LOGGER = Logger.getLogger(SpawnSchedule.class.getName());
+		final L2Npc npc = _spawns.get(npcId).doSpawn();
-		
+		if (npc != null)
-		private final int _npcId;
-		
-		/**
-		 * Instantiates a new spawn schedule.
-		 * @param npcId the npc id
-		 */
-		public SpawnSchedule(int npcId)
 		{
-			_npcId = npcId;
+			npc.setDBStatus(DBStatusType.ALIVE);
-		}
-		
-		@Override
-		public void run()
-		{
-			final L2Npc npc = _spawns.get(_npcId).doSpawn();
-			if (npc != null)
-			{
-				npc.setDBStatus(DBStatusType.ALIVE);
-				
-				final StatsSet info = new StatsSet();
-				info.set("currentHP", npc.getCurrentHp());
-				info.set("currentMP", npc.getCurrentMp());
-				info.set("respawnTime", 0L);
-				
-				_storedInfo.put(_npcId, info);
-				_npcs.put(_npcId, npc);
-				LOGGER.info(getClass().getSimpleName() + ": Spawning NPC " + npc.getName());
-			}
 			
-			_schedules.remove(_npcId);
+			final StatsSet info = new StatsSet();
+			info.set("currentHP", npc.getCurrentHp());
+			info.set("currentMP", npc.getCurrentMp());
+			info.set("respawnTime", 0L);
+			
+			_storedInfo.put(npcId, info);
+			_npcs.put(npcId, npc);
+			LOGGER.info(getClass().getSimpleName() + ": Spawning NPC " + npc.getName());
 		}
+		
+		_schedules.remove(npcId);
 	}
 	
 	/**
@@ -226,7 +209,7 @@ public class DBSpawnManager
 			{
 				LOGGER.info(getClass().getSimpleName() + ": Updated " + npc.getName() + " respawn time to " + Util.formatDate(new Date(respawnTime), "dd.MM.yyyy HH:mm"));
 				
-				_schedules.put(npc.getId(), ThreadPoolManager.schedule(new SpawnSchedule(npc.getId()), respawnDelay));
+				_schedules.put(npc.getId(), ThreadPoolManager.schedule(() -> scheduleSpawn(npc.getId()), respawnDelay));
 				updateDb();
 			}
 		}
@@ -287,7 +270,7 @@ public class DBSpawnManager
 		else
 		{
 			final long spawnTime = respawnTime - System.currentTimeMillis();
-			_schedules.put(npcId, ThreadPoolManager.schedule(new SpawnSchedule(npcId), spawnTime));
+			_schedules.put(npcId, ThreadPoolManager.schedule(() -> scheduleSpawn(npcId), spawnTime));
 		}
 		
 		_spawns.put(npcId, spawn);
@@ -315,17 +298,18 @@ public class DBSpawnManager
 		}
 	}
 	
-	public void addNewSpawn(L2Spawn spawn, boolean storeInDb)
+	public L2Npc addNewSpawn(L2Spawn spawn, boolean storeInDb)
 	{
 		if (spawn == null)
 		{
-			return;
+			return null;
 		}
 		
 		final int npcId = spawn.getId();
-		if (_spawns.containsKey(npcId))
+		final L2Spawn existingSpawn = _spawns.get(npcId);
+		if (existingSpawn != null)
 		{
-			return;
+			return existingSpawn.getLastSpawn();
 		}
 		
 		SpawnTable.getInstance().addNewSpawn(spawn, false);
@@ -368,6 +352,8 @@ public class DBSpawnManager
 				LOGGER.log(Level.WARNING, getClass().getSimpleName() + ": Could not store npc #" + npcId + " in the DB: ", e);
 			}
 		}
+		
+		return npc;
 	}
 	
 	/**

L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/spawns/NpcSpawnTemplate.java

@@ -93,6 +93,7 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 		_spawnAnimation = set.getBoolean("spawnAnimation", false);
 		_saveInDB = set.getBoolean("dbSave", false);
 		_dbName = set.getString("dbName", null);
+		_parameters = mergeParameters(spawnTemplate, group);
 		
 		final int x = set.getInt("x", Integer.MAX_VALUE);
 		final int y = set.getInt("y", Integer.MAX_VALUE);
@@ -123,6 +124,31 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 				_zone = zone;
 			}
 		}
+		
+		mergeParameters(spawnTemplate, group);
+	}
+	
+	private StatsSet mergeParameters(SpawnTemplate spawnTemplate, SpawnGroup group)
+	{
+		if ((_parameters == null) && (spawnTemplate.getParameters() == null) && (group.getParameters() == null))
+		{
+			return null;
+		}
+		
+		final StatsSet set = new StatsSet();
+		if (spawnTemplate.getParameters() != null)
+		{
+			set.merge(spawnTemplate.getParameters());
+		}
+		if (group.getParameters() != null)
+		{
+			set.merge(group.getParameters());
+		}
+		if (_parameters != null)
+		{
+			set.merge(_parameters);
+		}
+		return set;
 	}
 	
 	public void addSpawnLocation(ChanceLocation loc)
@@ -188,7 +214,14 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 	@Override
 	public void setParameters(StatsSet parameters)
 	{
-		_parameters = parameters;
+		if (_parameters == null)
+		{
+			_parameters = parameters;
+		}
+		else
+		{
+			_parameters.merge(parameters);
+		}
 	}
 	
 	public boolean hasSpawnAnimation()
@@ -233,8 +266,7 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 			float cumulativeChance = 0;
 			for (ChanceLocation loc : _locations)
 			{
-				cumulativeChance += loc.getChance();
+				if (locRandom <= (cumulativeChance += loc.getChance()))
-				if (locRandom <= cumulativeChance)
 				{
 					return loc;
 				}
@@ -285,70 +317,21 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 		try
 		{
 			final L2NpcTemplate npcTemplate = NpcData.getInstance().getTemplate(_id);
-			if (npcTemplate != null)
+			if (npcTemplate == null)
 			{
-				if (npcTemplate.isType("L2Defender"))
+				LOGGER.warning("Attempting to spawn unexisting npc id: " + _id + " file: " + _spawnTemplate.getFile().getName() + " spawn: " + _spawnTemplate.getName() + " group: " + _group.getName());
-				{
+				return;
-					LOGGER.warning("Attempting to spawn npc id: " + _id + " type: " + npcTemplate.getType() + " file: " + _spawnTemplate.getFile().getName() + " spawn: " + _spawnTemplate.getName() + " group: " + _group.getName());
+			}
-					return;
+			
-				}
+			if (npcTemplate.isType("L2Defender"))
-				
+			{
-				final L2Spawn spawn = new L2Spawn(npcTemplate);
+				LOGGER.warning("Attempting to spawn npc id: " + _id + " type: " + npcTemplate.getType() + " file: " + _spawnTemplate.getFile().getName() + " spawn: " + _spawnTemplate.getName() + " group: " + _group.getName());
-				final Location loc = getSpawnLocation();
+				return;
-				if (loc == null)
+			}
-				{
+			
-					LOGGER.warning("Couldn't initialize new spawn, no location found!");
+			for (int i = 0; i < _count; i++)
-					return;
+			{
-				}
+				spawnNpc(npcTemplate, instance);
-				
-				spawn.setInstanceId(instance != null ? instance.getId() : 0);
-				spawn.setXYZ(loc);
-				spawn.setHeading(loc.getHeading());
-				spawn.setAmount(_count);
-				spawn.setLocation(loc);
-				int respawn = 0, respawnRandom = 0;
-				if (_respawnTime != null)
-				{
-					respawn = (int) _respawnTime.getSeconds();
-				}
-				if (_respawnTimeRandom != null)
-				{
-					respawnRandom = (int) _respawnTimeRandom.getSeconds();
-				}
-				
-				if (respawn > 0)
-				{
-					spawn.setRespawnDelay(respawn, respawnRandom);
-					spawn.startRespawn();
-				}
-				else
-				{
-					spawn.stopRespawn();
-				}
-				
-				spawn.setSpawnTemplate(this);
-				
-				if (_saveInDB)
-				{
-					if (!DBSpawnManager.getInstance().isDefined(_id))
-					{
-						DBSpawnManager.getInstance().addNewSpawn(spawn, true);
-					}
-				}
-				else
-				{
-					for (int i = 0; i < spawn.getAmount(); i++)
-					{
-						final L2Npc npc = spawn.doSpawn(_spawnAnimation);
-						if (npc.isMonster() && (_minions != null))
-						{
-							((L2MonsterInstance) npc).getMinionList().spawnMinions(_minions);
-						}
-						_spawnedNpcs.add(npc);
-					}
-					
-					SpawnTable.getInstance().addNewSpawn(spawn, false);
-				}
 			}
 		}
 		catch (Exception e)
@@ -357,6 +340,77 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 		}
 	}
 	
+	/**
+	 * @param npcTemplate
+	 * @param instance
+	 * @throws ClassCastException
+	 * @throws NoSuchMethodException
+	 * @throws ClassNotFoundException
+	 * @throws SecurityException
+	 */
+	private void spawnNpc(L2NpcTemplate npcTemplate, Instance instance) throws SecurityException, ClassNotFoundException, NoSuchMethodException, ClassCastException
+	{
+		final L2Spawn spawn = new L2Spawn(npcTemplate);
+		final Location loc = getSpawnLocation();
+		if (loc == null)
+		{
+			LOGGER.warning("Couldn't initialize new spawn, no location found!");
+			return;
+		}
+		
+		spawn.setInstanceId(instance != null ? instance.getId() : 0);
+		spawn.setAmount(1);
+		spawn.setXYZ(loc);
+		spawn.setHeading(loc.getHeading());
+		spawn.setLocation(loc);
+		int respawn = 0, respawnRandom = 0;
+		if (_respawnTime != null)
+		{
+			respawn = (int) _respawnTime.getSeconds();
+		}
+		if (_respawnTimeRandom != null)
+		{
+			respawnRandom = (int) _respawnTimeRandom.getSeconds();
+		}
+		
+		if (respawn > 0)
+		{
+			spawn.setRespawnDelay(respawn, respawnRandom);
+			spawn.startRespawn();
+		}
+		else
+		{
+			spawn.stopRespawn();
+		}
+		
+		spawn.setSpawnTemplate(this);
+		
+		if (_saveInDB)
+		{
+			if (!DBSpawnManager.getInstance().isDefined(_id))
+			{
+				final L2Npc spawnedNpc = DBSpawnManager.getInstance().addNewSpawn(spawn, true);
+				if ((spawnedNpc != null) && spawnedNpc.isMonster() && (_minions != null))
+				{
+					((L2MonsterInstance) spawnedNpc).getMinionList().spawnMinions(_minions);
+				}
+				
+				_spawnedNpcs.add(spawnedNpc);
+			}
+		}
+		else
+		{
+			final L2Npc npc = spawn.doSpawn(_spawnAnimation);
+			if (npc.isMonster() && (_minions != null))
+			{
+				((L2MonsterInstance) npc).getMinionList().spawnMinions(_minions);
+			}
+			_spawnedNpcs.add(npc);
+			
+			SpawnTable.getInstance().addNewSpawn(spawn, false);
+		}
+	}
+	
 	public void despawn()
 	{
 		_spawnedNpcs.forEach(npc ->

L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/spawns/SpawnGroup.java

@@ -23,6 +23,7 @@ import java.util.stream.Collectors;
 
 import com.l2jmobius.gameserver.model.StatsSet;
 import com.l2jmobius.gameserver.model.instancezone.Instance;
+import com.l2jmobius.gameserver.model.interfaces.IParameterized;
 import com.l2jmobius.gameserver.model.interfaces.ITerritorized;
 import com.l2jmobius.gameserver.model.zone.type.L2BannedSpawnTerritory;
 import com.l2jmobius.gameserver.model.zone.type.L2SpawnTerritory;
@@ -30,13 +31,14 @@ import com.l2jmobius.gameserver.model.zone.type.L2SpawnTerritory;
 /**
  * @author UnAfraid
  */
-public class SpawnGroup implements Cloneable, ITerritorized
+public class SpawnGroup implements Cloneable, ITerritorized, IParameterized<StatsSet>
 {
 	private final String _name;
 	private final boolean _spawnByDefault;
 	private List<L2SpawnTerritory> _territories;
 	private List<L2BannedSpawnTerritory> _bannedTerritories;
 	private final List<NpcSpawnTemplate> _spawns = new ArrayList<>();
+	private StatsSet _parameters;
 	
 	public SpawnGroup(StatsSet set)
 	{
@@ -101,6 +103,18 @@ public class SpawnGroup implements Cloneable, ITerritorized
 		return _bannedTerritories != null ? _bannedTerritories : Collections.emptyList();
 	}
 	
+	@Override
+	public StatsSet getParameters()
+	{
+		return _parameters;
+	}
+	
+	@Override
+	public void setParameters(StatsSet parameters)
+	{
+		_parameters = parameters;
+	}
+	
 	public List<NpcSpawnTemplate> getSpawnsById(int id)
 	{
 		return _spawns.stream().filter(spawn -> spawn.getId() == id).collect(Collectors.toList());

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

@@ -159,41 +159,24 @@ public class DBSpawnManager
 		}
 	}
 	
-	private class SpawnSchedule implements Runnable
+	private void scheduleSpawn(int npcId)
 	{
-		private final Logger LOGGER = Logger.getLogger(SpawnSchedule.class.getName());
+		final L2Npc npc = _spawns.get(npcId).doSpawn();
-		
+		if (npc != null)
-		private final int _npcId;
-		
-		/**
-		 * Instantiates a new spawn schedule.
-		 * @param npcId the npc id
-		 */
-		public SpawnSchedule(int npcId)
 		{
-			_npcId = npcId;
+			npc.setDBStatus(DBStatusType.ALIVE);
-		}
-		
-		@Override
-		public void run()
-		{
-			final L2Npc npc = _spawns.get(_npcId).doSpawn();
-			if (npc != null)
-			{
-				npc.setDBStatus(DBStatusType.ALIVE);
-				
-				final StatsSet info = new StatsSet();
-				info.set("currentHP", npc.getCurrentHp());
-				info.set("currentMP", npc.getCurrentMp());
-				info.set("respawnTime", 0L);
-				
-				_storedInfo.put(_npcId, info);
-				_npcs.put(_npcId, npc);
-				LOGGER.info(getClass().getSimpleName() + ": Spawning NPC " + npc.getName());
-			}
 			
-			_schedules.remove(_npcId);
+			final StatsSet info = new StatsSet();
+			info.set("currentHP", npc.getCurrentHp());
+			info.set("currentMP", npc.getCurrentMp());
+			info.set("respawnTime", 0L);
+			
+			_storedInfo.put(npcId, info);
+			_npcs.put(npcId, npc);
+			LOGGER.info(getClass().getSimpleName() + ": Spawning NPC " + npc.getName());
 		}
+		
+		_schedules.remove(npcId);
 	}
 	
 	/**
@@ -226,7 +209,7 @@ public class DBSpawnManager
 			{
 				LOGGER.info(getClass().getSimpleName() + ": Updated " + npc.getName() + " respawn time to " + Util.formatDate(new Date(respawnTime), "dd.MM.yyyy HH:mm"));
 				
-				_schedules.put(npc.getId(), ThreadPoolManager.schedule(new SpawnSchedule(npc.getId()), respawnDelay));
+				_schedules.put(npc.getId(), ThreadPoolManager.schedule(() -> scheduleSpawn(npc.getId()), respawnDelay));
 				updateDb();
 			}
 		}
@@ -287,7 +270,7 @@ public class DBSpawnManager
 		else
 		{
 			final long spawnTime = respawnTime - System.currentTimeMillis();
-			_schedules.put(npcId, ThreadPoolManager.schedule(new SpawnSchedule(npcId), spawnTime));
+			_schedules.put(npcId, ThreadPoolManager.schedule(() -> scheduleSpawn(npcId), spawnTime));
 		}
 		
 		_spawns.put(npcId, spawn);
@@ -315,17 +298,18 @@ public class DBSpawnManager
 		}
 	}
 	
-	public void addNewSpawn(L2Spawn spawn, boolean storeInDb)
+	public L2Npc addNewSpawn(L2Spawn spawn, boolean storeInDb)
 	{
 		if (spawn == null)
 		{
-			return;
+			return null;
 		}
 		
 		final int npcId = spawn.getId();
-		if (_spawns.containsKey(npcId))
+		final L2Spawn existingSpawn = _spawns.get(npcId);
+		if (existingSpawn != null)
 		{
-			return;
+			return existingSpawn.getLastSpawn();
 		}
 		
 		SpawnTable.getInstance().addNewSpawn(spawn, false);
@@ -368,6 +352,8 @@ public class DBSpawnManager
 				LOGGER.log(Level.WARNING, getClass().getSimpleName() + ": Could not store npc #" + npcId + " in the DB: ", e);
 			}
 		}
+		
+		return npc;
 	}
 	
 	/**

L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/spawns/NpcSpawnTemplate.java

@@ -93,6 +93,7 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 		_spawnAnimation = set.getBoolean("spawnAnimation", false);
 		_saveInDB = set.getBoolean("dbSave", false);
 		_dbName = set.getString("dbName", null);
+		_parameters = mergeParameters(spawnTemplate, group);
 		
 		final int x = set.getInt("x", Integer.MAX_VALUE);
 		final int y = set.getInt("y", Integer.MAX_VALUE);
@@ -123,6 +124,31 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 				_zone = zone;
 			}
 		}
+		
+		mergeParameters(spawnTemplate, group);
+	}
+	
+	private StatsSet mergeParameters(SpawnTemplate spawnTemplate, SpawnGroup group)
+	{
+		if ((_parameters == null) && (spawnTemplate.getParameters() == null) && (group.getParameters() == null))
+		{
+			return null;
+		}
+		
+		final StatsSet set = new StatsSet();
+		if (spawnTemplate.getParameters() != null)
+		{
+			set.merge(spawnTemplate.getParameters());
+		}
+		if (group.getParameters() != null)
+		{
+			set.merge(group.getParameters());
+		}
+		if (_parameters != null)
+		{
+			set.merge(_parameters);
+		}
+		return set;
 	}
 	
 	public void addSpawnLocation(ChanceLocation loc)
@@ -188,7 +214,14 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 	@Override
 	public void setParameters(StatsSet parameters)
 	{
-		_parameters = parameters;
+		if (_parameters == null)
+		{
+			_parameters = parameters;
+		}
+		else
+		{
+			_parameters.merge(parameters);
+		}
 	}
 	
 	public boolean hasSpawnAnimation()
@@ -233,8 +266,7 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 			float cumulativeChance = 0;
 			for (ChanceLocation loc : _locations)
 			{
-				cumulativeChance += loc.getChance();
+				if (locRandom <= (cumulativeChance += loc.getChance()))
-				if (locRandom <= cumulativeChance)
 				{
 					return loc;
 				}
@@ -285,70 +317,21 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 		try
 		{
 			final L2NpcTemplate npcTemplate = NpcData.getInstance().getTemplate(_id);
-			if (npcTemplate != null)
+			if (npcTemplate == null)
 			{
-				if (npcTemplate.isType("L2Defender"))
+				LOGGER.warning("Attempting to spawn unexisting npc id: " + _id + " file: " + _spawnTemplate.getFile().getName() + " spawn: " + _spawnTemplate.getName() + " group: " + _group.getName());
-				{
+				return;
-					LOGGER.warning("Attempting to spawn npc id: " + _id + " type: " + npcTemplate.getType() + " file: " + _spawnTemplate.getFile().getName() + " spawn: " + _spawnTemplate.getName() + " group: " + _group.getName());
+			}
-					return;
+			
-				}
+			if (npcTemplate.isType("L2Defender"))
-				
+			{
-				final L2Spawn spawn = new L2Spawn(npcTemplate);
+				LOGGER.warning("Attempting to spawn npc id: " + _id + " type: " + npcTemplate.getType() + " file: " + _spawnTemplate.getFile().getName() + " spawn: " + _spawnTemplate.getName() + " group: " + _group.getName());
-				final Location loc = getSpawnLocation();
+				return;
-				if (loc == null)
+			}
-				{
+			
-					LOGGER.warning("Couldn't initialize new spawn, no location found!");
+			for (int i = 0; i < _count; i++)
-					return;
+			{
-				}
+				spawnNpc(npcTemplate, instance);
-				
-				spawn.setInstanceId(instance != null ? instance.getId() : 0);
-				spawn.setXYZ(loc);
-				spawn.setHeading(loc.getHeading());
-				spawn.setAmount(_count);
-				spawn.setLocation(loc);
-				int respawn = 0, respawnRandom = 0;
-				if (_respawnTime != null)
-				{
-					respawn = (int) _respawnTime.getSeconds();
-				}
-				if (_respawnTimeRandom != null)
-				{
-					respawnRandom = (int) _respawnTimeRandom.getSeconds();
-				}
-				
-				if (respawn > 0)
-				{
-					spawn.setRespawnDelay(respawn, respawnRandom);
-					spawn.startRespawn();
-				}
-				else
-				{
-					spawn.stopRespawn();
-				}
-				
-				spawn.setSpawnTemplate(this);
-				
-				if (_saveInDB)
-				{
-					if (!DBSpawnManager.getInstance().isDefined(_id))
-					{
-						DBSpawnManager.getInstance().addNewSpawn(spawn, true);
-					}
-				}
-				else
-				{
-					for (int i = 0; i < spawn.getAmount(); i++)
-					{
-						final L2Npc npc = spawn.doSpawn(_spawnAnimation);
-						if (npc.isMonster() && (_minions != null))
-						{
-							((L2MonsterInstance) npc).getMinionList().spawnMinions(_minions);
-						}
-						_spawnedNpcs.add(npc);
-					}
-					
-					SpawnTable.getInstance().addNewSpawn(spawn, false);
-				}
 			}
 		}
 		catch (Exception e)
@@ -357,6 +340,77 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 		}
 	}
 	
+	/**
+	 * @param npcTemplate
+	 * @param instance
+	 * @throws ClassCastException
+	 * @throws NoSuchMethodException
+	 * @throws ClassNotFoundException
+	 * @throws SecurityException
+	 */
+	private void spawnNpc(L2NpcTemplate npcTemplate, Instance instance) throws SecurityException, ClassNotFoundException, NoSuchMethodException, ClassCastException
+	{
+		final L2Spawn spawn = new L2Spawn(npcTemplate);
+		final Location loc = getSpawnLocation();
+		if (loc == null)
+		{
+			LOGGER.warning("Couldn't initialize new spawn, no location found!");
+			return;
+		}
+		
+		spawn.setInstanceId(instance != null ? instance.getId() : 0);
+		spawn.setAmount(1);
+		spawn.setXYZ(loc);
+		spawn.setHeading(loc.getHeading());
+		spawn.setLocation(loc);
+		int respawn = 0, respawnRandom = 0;
+		if (_respawnTime != null)
+		{
+			respawn = (int) _respawnTime.getSeconds();
+		}
+		if (_respawnTimeRandom != null)
+		{
+			respawnRandom = (int) _respawnTimeRandom.getSeconds();
+		}
+		
+		if (respawn > 0)
+		{
+			spawn.setRespawnDelay(respawn, respawnRandom);
+			spawn.startRespawn();
+		}
+		else
+		{
+			spawn.stopRespawn();
+		}
+		
+		spawn.setSpawnTemplate(this);
+		
+		if (_saveInDB)
+		{
+			if (!DBSpawnManager.getInstance().isDefined(_id))
+			{
+				final L2Npc spawnedNpc = DBSpawnManager.getInstance().addNewSpawn(spawn, true);
+				if ((spawnedNpc != null) && spawnedNpc.isMonster() && (_minions != null))
+				{
+					((L2MonsterInstance) spawnedNpc).getMinionList().spawnMinions(_minions);
+				}
+				
+				_spawnedNpcs.add(spawnedNpc);
+			}
+		}
+		else
+		{
+			final L2Npc npc = spawn.doSpawn(_spawnAnimation);
+			if (npc.isMonster() && (_minions != null))
+			{
+				((L2MonsterInstance) npc).getMinionList().spawnMinions(_minions);
+			}
+			_spawnedNpcs.add(npc);
+			
+			SpawnTable.getInstance().addNewSpawn(spawn, false);
+		}
+	}
+	
 	public void despawn()
 	{
 		_spawnedNpcs.forEach(npc ->

L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/spawns/SpawnGroup.java

@@ -23,6 +23,7 @@ import java.util.stream.Collectors;
 
 import com.l2jmobius.gameserver.model.StatsSet;
 import com.l2jmobius.gameserver.model.instancezone.Instance;
+import com.l2jmobius.gameserver.model.interfaces.IParameterized;
 import com.l2jmobius.gameserver.model.interfaces.ITerritorized;
 import com.l2jmobius.gameserver.model.zone.type.L2BannedSpawnTerritory;
 import com.l2jmobius.gameserver.model.zone.type.L2SpawnTerritory;
@@ -30,13 +31,14 @@ import com.l2jmobius.gameserver.model.zone.type.L2SpawnTerritory;
 /**
  * @author UnAfraid
  */
-public class SpawnGroup implements Cloneable, ITerritorized
+public class SpawnGroup implements Cloneable, ITerritorized, IParameterized<StatsSet>
 {
 	private final String _name;
 	private final boolean _spawnByDefault;
 	private List<L2SpawnTerritory> _territories;
 	private List<L2BannedSpawnTerritory> _bannedTerritories;
 	private final List<NpcSpawnTemplate> _spawns = new ArrayList<>();
+	private StatsSet _parameters;
 	
 	public SpawnGroup(StatsSet set)
 	{
@@ -101,6 +103,18 @@ public class SpawnGroup implements Cloneable, ITerritorized
 		return _bannedTerritories != null ? _bannedTerritories : Collections.emptyList();
 	}
 	
+	@Override
+	public StatsSet getParameters()
+	{
+		return _parameters;
+	}
+	
+	@Override
+	public void setParameters(StatsSet parameters)
+	{
+		_parameters = parameters;
+	}
+	
 	public List<NpcSpawnTemplate> getSpawnsById(int id)
 	{
 		return _spawns.stream().filter(spawn -> spawn.getId() == id).collect(Collectors.toList());

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

@@ -159,41 +159,24 @@ public class DBSpawnManager
 		}
 	}
 	
-	private class SpawnSchedule implements Runnable
+	private void scheduleSpawn(int npcId)
 	{
-		private final Logger LOGGER = Logger.getLogger(SpawnSchedule.class.getName());
+		final L2Npc npc = _spawns.get(npcId).doSpawn();
-		
+		if (npc != null)
-		private final int _npcId;
-		
-		/**
-		 * Instantiates a new spawn schedule.
-		 * @param npcId the npc id
-		 */
-		public SpawnSchedule(int npcId)
 		{
-			_npcId = npcId;
+			npc.setDBStatus(DBStatusType.ALIVE);
-		}
-		
-		@Override
-		public void run()
-		{
-			final L2Npc npc = _spawns.get(_npcId).doSpawn();
-			if (npc != null)
-			{
-				npc.setDBStatus(DBStatusType.ALIVE);
-				
-				final StatsSet info = new StatsSet();
-				info.set("currentHP", npc.getCurrentHp());
-				info.set("currentMP", npc.getCurrentMp());
-				info.set("respawnTime", 0L);
-				
-				_storedInfo.put(_npcId, info);
-				_npcs.put(_npcId, npc);
-				LOGGER.info(getClass().getSimpleName() + ": Spawning NPC " + npc.getName());
-			}
 			
-			_schedules.remove(_npcId);
+			final StatsSet info = new StatsSet();
+			info.set("currentHP", npc.getCurrentHp());
+			info.set("currentMP", npc.getCurrentMp());
+			info.set("respawnTime", 0L);
+			
+			_storedInfo.put(npcId, info);
+			_npcs.put(npcId, npc);
+			LOGGER.info(getClass().getSimpleName() + ": Spawning NPC " + npc.getName());
 		}
+		
+		_schedules.remove(npcId);
 	}
 	
 	/**
@@ -226,7 +209,7 @@ public class DBSpawnManager
 			{
 				LOGGER.info(getClass().getSimpleName() + ": Updated " + npc.getName() + " respawn time to " + Util.formatDate(new Date(respawnTime), "dd.MM.yyyy HH:mm"));
 				
-				_schedules.put(npc.getId(), ThreadPoolManager.schedule(new SpawnSchedule(npc.getId()), respawnDelay));
+				_schedules.put(npc.getId(), ThreadPoolManager.schedule(() -> scheduleSpawn(npc.getId()), respawnDelay));
 				updateDb();
 			}
 		}
@@ -287,7 +270,7 @@ public class DBSpawnManager
 		else
 		{
 			final long spawnTime = respawnTime - System.currentTimeMillis();
-			_schedules.put(npcId, ThreadPoolManager.schedule(new SpawnSchedule(npcId), spawnTime));
+			_schedules.put(npcId, ThreadPoolManager.schedule(() -> scheduleSpawn(npcId), spawnTime));
 		}
 		
 		_spawns.put(npcId, spawn);
@@ -315,17 +298,18 @@ public class DBSpawnManager
 		}
 	}
 	
-	public void addNewSpawn(L2Spawn spawn, boolean storeInDb)
+	public L2Npc addNewSpawn(L2Spawn spawn, boolean storeInDb)
 	{
 		if (spawn == null)
 		{
-			return;
+			return null;
 		}
 		
 		final int npcId = spawn.getId();
-		if (_spawns.containsKey(npcId))
+		final L2Spawn existingSpawn = _spawns.get(npcId);
+		if (existingSpawn != null)
 		{
-			return;
+			return existingSpawn.getLastSpawn();
 		}
 		
 		SpawnTable.getInstance().addNewSpawn(spawn, false);
@@ -368,6 +352,8 @@ public class DBSpawnManager
 				LOGGER.log(Level.WARNING, getClass().getSimpleName() + ": Could not store npc #" + npcId + " in the DB: ", e);
 			}
 		}
+		
+		return npc;
 	}
 	
 	/**

L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/spawns/NpcSpawnTemplate.java

@@ -93,6 +93,7 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 		_spawnAnimation = set.getBoolean("spawnAnimation", false);
 		_saveInDB = set.getBoolean("dbSave", false);
 		_dbName = set.getString("dbName", null);
+		_parameters = mergeParameters(spawnTemplate, group);
 		
 		final int x = set.getInt("x", Integer.MAX_VALUE);
 		final int y = set.getInt("y", Integer.MAX_VALUE);
@@ -123,6 +124,31 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 				_zone = zone;
 			}
 		}
+		
+		mergeParameters(spawnTemplate, group);
+	}
+	
+	private StatsSet mergeParameters(SpawnTemplate spawnTemplate, SpawnGroup group)
+	{
+		if ((_parameters == null) && (spawnTemplate.getParameters() == null) && (group.getParameters() == null))
+		{
+			return null;
+		}
+		
+		final StatsSet set = new StatsSet();
+		if (spawnTemplate.getParameters() != null)
+		{
+			set.merge(spawnTemplate.getParameters());
+		}
+		if (group.getParameters() != null)
+		{
+			set.merge(group.getParameters());
+		}
+		if (_parameters != null)
+		{
+			set.merge(_parameters);
+		}
+		return set;
 	}
 	
 	public void addSpawnLocation(ChanceLocation loc)
@@ -188,7 +214,14 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 	@Override
 	public void setParameters(StatsSet parameters)
 	{
-		_parameters = parameters;
+		if (_parameters == null)
+		{
+			_parameters = parameters;
+		}
+		else
+		{
+			_parameters.merge(parameters);
+		}
 	}
 	
 	public boolean hasSpawnAnimation()
@@ -233,8 +266,7 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 			float cumulativeChance = 0;
 			for (ChanceLocation loc : _locations)
 			{
-				cumulativeChance += loc.getChance();
+				if (locRandom <= (cumulativeChance += loc.getChance()))
-				if (locRandom <= cumulativeChance)
 				{
 					return loc;
 				}
@@ -285,70 +317,21 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 		try
 		{
 			final L2NpcTemplate npcTemplate = NpcData.getInstance().getTemplate(_id);
-			if (npcTemplate != null)
+			if (npcTemplate == null)
 			{
-				if (npcTemplate.isType("L2Defender"))
+				LOGGER.warning("Attempting to spawn unexisting npc id: " + _id + " file: " + _spawnTemplate.getFile().getName() + " spawn: " + _spawnTemplate.getName() + " group: " + _group.getName());
-				{
+				return;
-					LOGGER.warning("Attempting to spawn npc id: " + _id + " type: " + npcTemplate.getType() + " file: " + _spawnTemplate.getFile().getName() + " spawn: " + _spawnTemplate.getName() + " group: " + _group.getName());
+			}
-					return;
+			
-				}
+			if (npcTemplate.isType("L2Defender"))
-				
+			{
-				final L2Spawn spawn = new L2Spawn(npcTemplate);
+				LOGGER.warning("Attempting to spawn npc id: " + _id + " type: " + npcTemplate.getType() + " file: " + _spawnTemplate.getFile().getName() + " spawn: " + _spawnTemplate.getName() + " group: " + _group.getName());
-				final Location loc = getSpawnLocation();
+				return;
-				if (loc == null)
+			}
-				{
+			
-					LOGGER.warning("Couldn't initialize new spawn, no location found!");
+			for (int i = 0; i < _count; i++)
-					return;
+			{
-				}
+				spawnNpc(npcTemplate, instance);
-				
-				spawn.setInstanceId(instance != null ? instance.getId() : 0);
-				spawn.setXYZ(loc);
-				spawn.setHeading(loc.getHeading());
-				spawn.setAmount(_count);
-				spawn.setLocation(loc);
-				int respawn = 0, respawnRandom = 0;
-				if (_respawnTime != null)
-				{
-					respawn = (int) _respawnTime.getSeconds();
-				}
-				if (_respawnTimeRandom != null)
-				{
-					respawnRandom = (int) _respawnTimeRandom.getSeconds();
-				}
-				
-				if (respawn > 0)
-				{
-					spawn.setRespawnDelay(respawn, respawnRandom);
-					spawn.startRespawn();
-				}
-				else
-				{
-					spawn.stopRespawn();
-				}
-				
-				spawn.setSpawnTemplate(this);
-				
-				if (_saveInDB)
-				{
-					if (!DBSpawnManager.getInstance().isDefined(_id))
-					{
-						DBSpawnManager.getInstance().addNewSpawn(spawn, true);
-					}
-				}
-				else
-				{
-					for (int i = 0; i < spawn.getAmount(); i++)
-					{
-						final L2Npc npc = spawn.doSpawn(_spawnAnimation);
-						if (npc.isMonster() && (_minions != null))
-						{
-							((L2MonsterInstance) npc).getMinionList().spawnMinions(_minions);
-						}
-						_spawnedNpcs.add(npc);
-					}
-					
-					SpawnTable.getInstance().addNewSpawn(spawn, false);
-				}
 			}
 		}
 		catch (Exception e)
@@ -357,6 +340,77 @@ public class NpcSpawnTemplate implements Cloneable, IParameterized<StatsSet>
 		}
 	}
 	
+	/**
+	 * @param npcTemplate
+	 * @param instance
+	 * @throws ClassCastException
+	 * @throws NoSuchMethodException
+	 * @throws ClassNotFoundException
+	 * @throws SecurityException
+	 */
+	private void spawnNpc(L2NpcTemplate npcTemplate, Instance instance) throws SecurityException, ClassNotFoundException, NoSuchMethodException, ClassCastException
+	{
+		final L2Spawn spawn = new L2Spawn(npcTemplate);
+		final Location loc = getSpawnLocation();
+		if (loc == null)
+		{
+			LOGGER.warning("Couldn't initialize new spawn, no location found!");
+			return;
+		}
+		
+		spawn.setInstanceId(instance != null ? instance.getId() : 0);
+		spawn.setAmount(1);
+		spawn.setXYZ(loc);
+		spawn.setHeading(loc.getHeading());
+		spawn.setLocation(loc);
+		int respawn = 0, respawnRandom = 0;
+		if (_respawnTime != null)
+		{
+			respawn = (int) _respawnTime.getSeconds();
+		}
+		if (_respawnTimeRandom != null)
+		{
+			respawnRandom = (int) _respawnTimeRandom.getSeconds();
+		}
+		
+		if (respawn > 0)
+		{
+			spawn.setRespawnDelay(respawn, respawnRandom);
+			spawn.startRespawn();
+		}
+		else
+		{
+			spawn.stopRespawn();
+		}
+		
+		spawn.setSpawnTemplate(this);
+		
+		if (_saveInDB)
+		{
+			if (!DBSpawnManager.getInstance().isDefined(_id))
+			{
+				final L2Npc spawnedNpc = DBSpawnManager.getInstance().addNewSpawn(spawn, true);
+				if ((spawnedNpc != null) && spawnedNpc.isMonster() && (_minions != null))
+				{
+					((L2MonsterInstance) spawnedNpc).getMinionList().spawnMinions(_minions);
+				}
+				
+				_spawnedNpcs.add(spawnedNpc);
+			}
+		}
+		else
+		{
+			final L2Npc npc = spawn.doSpawn(_spawnAnimation);
+			if (npc.isMonster() && (_minions != null))
+			{
+				((L2MonsterInstance) npc).getMinionList().spawnMinions(_minions);
+			}
+			_spawnedNpcs.add(npc);
+			
+			SpawnTable.getInstance().addNewSpawn(spawn, false);
+		}
+	}
+	
 	public void despawn()
 	{
 		_spawnedNpcs.forEach(npc ->

L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/spawns/SpawnGroup.java

@@ -23,6 +23,7 @@ import java.util.stream.Collectors;
 
 import com.l2jmobius.gameserver.model.StatsSet;
 import com.l2jmobius.gameserver.model.instancezone.Instance;
+import com.l2jmobius.gameserver.model.interfaces.IParameterized;
 import com.l2jmobius.gameserver.model.interfaces.ITerritorized;
 import com.l2jmobius.gameserver.model.zone.type.L2BannedSpawnTerritory;
 import com.l2jmobius.gameserver.model.zone.type.L2SpawnTerritory;
@@ -30,13 +31,14 @@ import com.l2jmobius.gameserver.model.zone.type.L2SpawnTerritory;
 /**
  * @author UnAfraid
  */
-public class SpawnGroup implements Cloneable, ITerritorized
+public class SpawnGroup implements Cloneable, ITerritorized, IParameterized<StatsSet>
 {
 	private final String _name;
 	private final boolean _spawnByDefault;
 	private List<L2SpawnTerritory> _territories;
 	private List<L2BannedSpawnTerritory> _bannedTerritories;
 	private final List<NpcSpawnTemplate> _spawns = new ArrayList<>();
+	private StatsSet _parameters;
 	
 	public SpawnGroup(StatsSet set)
 	{
@@ -101,6 +103,18 @@ public class SpawnGroup implements Cloneable, ITerritorized
 		return _bannedTerritories != null ? _bannedTerritories : Collections.emptyList();
 	}
 	
+	@Override
+	public StatsSet getParameters()
+	{
+		return _parameters;
+	}
+	
+	@Override
+	public void setParameters(StatsSet parameters)
+	{
+		_parameters = parameters;
+	}
+	
 	public List<NpcSpawnTemplate> getSpawnsById(int id)
 	{
 		return _spawns.stream().filter(spawn -> spawn.getId() == id).collect(Collectors.toList());