Addition of RequestSkillCoolTime.

Thanks to Fakee.

L2J_Mobius_C6_Interlude/java/org/l2jmobius/gameserver/model/Timestamp.java

@@ -98,11 +98,13 @@ public class Timestamp
 		{
 			return 0;
 		}
+		
 		final long remainingTime = Math.max(_stamp - System.currentTimeMillis(), 0);
 		if (remainingTime == 0)
 		{
 			_stamp = 0;
 		}
+		
 		return remainingTime;
 	}
 	
@@ -116,11 +118,13 @@ public class Timestamp
 		{
 			return false;
 		}
+		
 		final boolean hasNotPassed = System.currentTimeMillis() < _stamp;
 		if (!hasNotPassed)
 		{
 			_stamp = 0;
 		}
+		
 		return hasNotPassed;
 	}
 }

L2J_Mobius_C6_Interlude/java/org/l2jmobius/gameserver/network/clientpackets/RequestSkillCoolTime.java

@@ -26,9 +26,11 @@ public class RequestSkillCoolTime implements ClientPacket
 	public void run(GameClient client)
 	{
 		final Player player = client.getPlayer();
-		if (player != null)
+		if (player == null)
 		{
-			player.sendPacket(new SkillCoolTime(player));
+			return;
 		}
+		
+		player.sendPacket(new SkillCoolTime(player));
 	}
 }

L2J_Mobius_C6_Interlude/java/org/l2jmobius/gameserver/network/serverpackets/SkillCoolTime.java

@@ -28,18 +28,17 @@ import org.l2jmobius.gameserver.network.ServerPackets;
  */
 public class SkillCoolTime extends ServerPacket
 {
-	private final long _currentTime;
 	public Collection<Timestamp> _reuseTimestamps;
 	
 	public SkillCoolTime(Player player)
 	{
-		_currentTime = System.currentTimeMillis();
 		_reuseTimestamps = player.getReuseTimeStamps();
 	}
 	
 	@Override
 	public void write()
 	{
+		final long currentTime = System.currentTimeMillis();
 		ServerPackets.SKILL_COOL_TIME.writeId(this);
 		writeInt(_reuseTimestamps.size());
 		for (Timestamp ts : _reuseTimestamps)
@@ -47,7 +46,7 @@ public class SkillCoolTime extends ServerPacket
 			writeInt(ts.getSkillId());
 			writeInt(ts.getSkillLevel());
 			writeInt((int) ts.getReuse() / 1000);
-			writeInt((int) Math.max(ts.getStamp() - _currentTime, 0) / 1000);
+			writeInt((int) Math.max(ts.getStamp() - currentTime, 0) / 1000);
 		}
 	}
 }