Core support for Mana potions. Since this is looked forward by Community, commited as L2JMod. Read l2jmods.properties for further information

Every server admin should fill DataPack side at his/her will.
Typical example for DataPack side can be found here: http://www.l2jserver.com/forum/thread.php?threadid=28542

L2_GameServer/java/config/l2jmods.properties

@@ -161,4 +161,13 @@ BankingAdenaCount = 500000000
 #----------------------------------
 EnableWarehouseSortingClan = False
 EnableWarehouseSortingPrivate = False
-EnableWarehouseSortingFreight = False
+EnableWarehouseSortingFreight = False
+
+#--------------------------
+# Mana Potions            -
+#--------------------------
+# This option will enable core support for:
+# - mana potion (item id 728), using skill id 2005
+# Please, notice this is just core support, server administrator is requested to
+# edit skill 2005 on DataPack to get them working
+EnableManaPotionSupport = False

L2_GameServer/java/net/sf/l2j/Config.java

@@ -560,6 +560,7 @@ public final class Config
     public static boolean	L2JMOD_ENABLE_WAREHOUSESORTING_CLAN;
     public static boolean	L2JMOD_ENABLE_WAREHOUSESORTING_PRIVATE;
     public static boolean	L2JMOD_ENABLE_WAREHOUSESORTING_FREIGHT;
+    public static boolean 	L2JMOD_ENABLE_MANA_POTIONS_SUPPORT;
     
     /** ************************************************** **/
 	/** L2JMods Settings -End                              **/
@@ -1892,6 +1893,8 @@ public final class Config
 	                BANKING_SYSTEM_ENABLED	= Boolean.parseBoolean(L2JModSettings.getProperty("BankingEnabled", "false"));
 	                BANKING_SYSTEM_GOLDBARS	= Integer.parseInt(L2JModSettings.getProperty("BankingGoldbarCount", "1"));
 	                BANKING_SYSTEM_ADENA	= Integer.parseInt(L2JModSettings.getProperty("BankingAdenaCount", "500000000"));
+	                
+	                L2JMOD_ENABLE_MANA_POTIONS_SUPPORT = Boolean.parseBoolean(L2JModSettings.getProperty("EnableManaPotionSupport", "false"));
 	            }
 	            catch (Exception e)
 	            {
@@ -2303,6 +2306,9 @@ public final class Config
         else if (pName.equalsIgnoreCase("EnableWarehouseSortingClan")) L2JMOD_ENABLE_WAREHOUSESORTING_CLAN = Boolean.parseBoolean(pValue);
         else if (pName.equalsIgnoreCase("EnableWarehouseSortingPrivate")) L2JMOD_ENABLE_WAREHOUSESORTING_PRIVATE = Boolean.parseBoolean(pValue);
         else if (pName.equalsIgnoreCase("EnableWarehouseSortingFreight")) L2JMOD_ENABLE_WAREHOUSESORTING_FREIGHT = Boolean.parseBoolean(pValue);
+        
+        // L2JMod Mana potion
+        else if (pName.equalsIgnoreCase("EnableManaPotionSupport")) L2JMOD_ENABLE_MANA_POTIONS_SUPPORT = Boolean.parseBoolean(pValue);
 
         // PvP settings
         else if (pName.equalsIgnoreCase("MinKarma")) KARMA_MIN_KARMA = Integer.parseInt(pValue);

L2_GameServer/java/net/sf/l2j/gameserver/handler/itemhandlers/Potions.java

@@ -16,6 +16,7 @@ package net.sf.l2j.gameserver.handler.itemhandlers;
 
 import java.util.logging.Logger;
 
+import net.sf.l2j.Config;
 import net.sf.l2j.gameserver.datatables.SkillTable;
 import net.sf.l2j.gameserver.handler.IItemHandler;
 import net.sf.l2j.gameserver.model.L2Effect;
@@ -117,6 +118,10 @@ public class Potions implements IItemHandler
 					return;
 				res = usePotion(activeChar, 2032, 1);
 				break;
+			case 728: // custom mana potion, xml: 2005
+				if (Config.L2JMOD_ENABLE_MANA_POTIONS_SUPPORT)
+					res = usePotion(activeChar, 2005, 1);
+				break;
 			case 733: // Endeavor Potion, xml: 2010
 				res = usePotion(activeChar, 2010, 1);
 				break;