Sell price checks.

L2J_Mobius_1.0_Ertheia/dist/game/config/General.ini

@@ -280,6 +280,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_1.0_Ertheia/java/org/l2jmobius/Config.java

@@ -473,6 +473,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -1992,6 +1993,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");
 			DEFAULT_TRADE_CHAT = General.getString("TradeChat", "ON");

L2J_Mobius_1.0_Ertheia/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final int sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_1.0_Ertheia/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -167,7 +167,7 @@ public class MultisellData implements IXmlReader
 									final Item item = ItemTable.getInstance().getTemplate(id);
 									if (item != null)
 									{
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 								}
 								else
@@ -186,7 +186,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_1.0_Ertheia/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_2.5_Underground/dist/game/config/General.ini

@@ -288,6 +288,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_2.5_Underground/java/org/l2jmobius/Config.java

@@ -483,6 +483,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -2015,6 +2016,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");
 			DEFAULT_TRADE_CHAT = General.getString("TradeChat", "ON");

L2J_Mobius_2.5_Underground/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final int sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_2.5_Underground/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -167,7 +167,7 @@ public class MultisellData implements IXmlReader
 									final Item item = ItemTable.getInstance().getTemplate(id);
 									if (item != null)
 									{
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 								}
 								else
@@ -186,7 +186,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_2.5_Underground/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_3.0_Helios/dist/game/config/General.ini

@@ -288,6 +288,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_3.0_Helios/java/org/l2jmobius/Config.java

@@ -483,6 +483,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -2028,6 +2029,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");
 			DEFAULT_TRADE_CHAT = General.getString("TradeChat", "ON");

L2J_Mobius_3.0_Helios/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final int sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_3.0_Helios/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -167,7 +167,7 @@ public class MultisellData implements IXmlReader
 									final Item item = ItemTable.getInstance().getTemplate(id);
 									if (item != null)
 									{
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 								}
 								else
@@ -186,7 +186,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_3.0_Helios/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_4.0_GrandCrusade/dist/game/config/General.ini

@@ -288,6 +288,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_4.0_GrandCrusade/java/org/l2jmobius/Config.java

@@ -477,6 +477,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -2008,6 +2009,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");
 			DEFAULT_TRADE_CHAT = General.getString("TradeChat", "ON");

L2J_Mobius_4.0_GrandCrusade/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final long sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_4.0_GrandCrusade/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -167,7 +167,7 @@ public class MultisellData implements IXmlReader
 									final Item item = ItemTable.getInstance().getTemplate(id);
 									if (item != null)
 									{
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 								}
 								else
@@ -186,7 +186,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_4.0_GrandCrusade/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_5.0_Salvation/dist/game/config/General.ini

@@ -288,6 +288,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_5.0_Salvation/java/org/l2jmobius/Config.java

@@ -472,6 +472,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -2009,6 +2010,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");
 			DEFAULT_TRADE_CHAT = General.getString("TradeChat", "ON");

L2J_Mobius_5.0_Salvation/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final long sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_5.0_Salvation/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -167,7 +167,7 @@ public class MultisellData implements IXmlReader
 									final Item item = ItemTable.getInstance().getTemplate(id);
 									if (item != null)
 									{
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 								}
 								else
@@ -186,7 +186,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_5.0_Salvation/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_5.5_EtinasFate/dist/game/config/General.ini

@@ -288,6 +288,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_5.5_EtinasFate/java/org/l2jmobius/Config.java

@@ -472,6 +472,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -2016,6 +2017,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");
 			DEFAULT_TRADE_CHAT = General.getString("TradeChat", "ON");

L2J_Mobius_5.5_EtinasFate/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final long sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_5.5_EtinasFate/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -167,7 +167,7 @@ public class MultisellData implements IXmlReader
 									final Item item = ItemTable.getInstance().getTemplate(id);
 									if (item != null)
 									{
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 								}
 								else
@@ -186,7 +186,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_5.5_EtinasFate/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_6.0_Fafurion/dist/game/config/General.ini

@@ -288,6 +288,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_6.0_Fafurion/java/org/l2jmobius/Config.java

@@ -473,6 +473,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -2055,6 +2056,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");
 			DEFAULT_TRADE_CHAT = General.getString("TradeChat", "ON");

L2J_Mobius_6.0_Fafurion/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final long sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_6.0_Fafurion/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -167,7 +167,7 @@ public class MultisellData implements IXmlReader
 									final Item item = ItemTable.getInstance().getTemplate(id);
 									if (item != null)
 									{
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 								}
 								else
@@ -186,7 +186,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_6.0_Fafurion/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_7.0_PreludeOfWar/dist/game/config/General.ini

@@ -289,6 +289,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_7.0_PreludeOfWar/java/org/l2jmobius/Config.java

@@ -474,6 +474,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -2075,6 +2076,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			ENABLE_FALLING_DAMAGE = General.getBoolean("EnableFallingDamage", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");

L2J_Mobius_7.0_PreludeOfWar/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final long sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_7.0_PreludeOfWar/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -167,7 +167,7 @@ public class MultisellData implements IXmlReader
 									final Item item = ItemTable.getInstance().getTemplate(id);
 									if (item != null)
 									{
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 								}
 								else
@@ -186,7 +186,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_7.0_PreludeOfWar/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_8.0_Homunculus/dist/game/config/General.ini

@@ -284,6 +284,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_8.0_Homunculus/java/org/l2jmobius/Config.java

@@ -471,6 +471,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -2075,6 +2076,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			ENABLE_FALLING_DAMAGE = General.getBoolean("EnableFallingDamage", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");

L2J_Mobius_8.0_Homunculus/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final long sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_8.0_Homunculus/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -167,7 +167,7 @@ public class MultisellData implements IXmlReader
 									final Item item = ItemTable.getInstance().getTemplate(id);
 									if (item != null)
 									{
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 								}
 								else
@@ -186,7 +186,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_8.0_Homunculus/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_9.0_ReturnOfTheQueenAnt/dist/game/config/General.ini

@@ -284,6 +284,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_9.0_ReturnOfTheQueenAnt/java/org/l2jmobius/Config.java

@@ -471,6 +471,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -2075,6 +2076,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			ENABLE_FALLING_DAMAGE = General.getBoolean("EnableFallingDamage", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");

L2J_Mobius_9.0_ReturnOfTheQueenAnt/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final long sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_9.0_ReturnOfTheQueenAnt/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -167,7 +167,7 @@ public class MultisellData implements IXmlReader
 									final Item item = ItemTable.getInstance().getTemplate(id);
 									if (item != null)
 									{
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 								}
 								else
@@ -186,7 +186,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_9.0_ReturnOfTheQueenAnt/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_C4_ScionsOfDestiny/dist/game/config/main/General.ini

@@ -278,6 +278,10 @@ RaidMinionRespawnTime = 300000
 # Default: 50
 ClickTaskDelay = 50
 
+# Correct buylist prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Pets

L2J_Mobius_C4_ScionsOfDestiny/java/org/l2jmobius/Config.java

@@ -216,6 +216,7 @@ public class Config
 	public static int WYVERN_SPEED;
 	public static int STRIDER_SPEED;
 	public static boolean ALLOW_WYVERN_UPGRADER;
+	public static boolean CORRECT_PRICES;
 	public static String NONDROPPABLE_ITEMS;
 	public static List<Integer> LIST_NONDROPPABLE_ITEMS = new ArrayList<>();
 	public static String PET_RENT_NPC;
@@ -1404,6 +1405,7 @@ public class Config
 		WYVERN_SPEED = generalConfig.getInt("WyvernSpeed", 100);
 		STRIDER_SPEED = generalConfig.getInt("StriderSpeed", 80);
 		ALLOW_WYVERN_UPGRADER = generalConfig.getBoolean("AllowWyvernUpgrader", false);
+		CORRECT_PRICES = generalConfig.getBoolean("CorrectPrices", true);
 		ENABLE_AIO_SYSTEM = generalConfig.getBoolean("EnableAioSystem", true);
 		ALLOW_AIO_NCOLOR = generalConfig.getBoolean("AllowAioNameColor", true);
 		AIO_NCOLOR = Integer.decode("0x" + generalConfig.getString("AioNameColor", "88AA88"));

L2J_Mobius_C4_ScionsOfDestiny/java/org/l2jmobius/gameserver/TradeController.java

@@ -84,10 +84,11 @@ public class TradeController
 						limitedItem = true;
 					}
 					
-					if (!rset1.getString("npc_id").equals("gm") && (price < (item.getReferencePrice() / 2)))
+					final int sellPrice = item.getReferencePrice() / 2;
+					if (Config.CORRECT_PRICES && (price < sellPrice) && !rset1.getString("npc_id").equals("gm"))
 					{
-						LOGGER.warning("TradeList " + buy1.getListId() + " itemId  " + itemId + " has an ADENA sell price lower then reference price.. Automatically Updating it..");
+						LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buy1.getListId() + ".");
-						price = item.getReferencePrice();
+						price = sellPrice;
 					}
 					
 					item.setPriceToSell(price);

L2J_Mobius_C6_Interlude/dist/game/config/main/General.ini

@@ -302,6 +302,10 @@ RaidMinionRespawnTime = 300000
 # Default: 50
 ClickTaskDelay = 50
 
+# Correct buylist prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Pets

L2J_Mobius_C6_Interlude/java/org/l2jmobius/Config.java

@@ -222,6 +222,7 @@ public class Config
 	public static int WYVERN_SPEED;
 	public static int STRIDER_SPEED;
 	public static boolean ALLOW_WYVERN_UPGRADER;
+	public static boolean CORRECT_PRICES;
 	public static String NONDROPPABLE_ITEMS;
 	public static List<Integer> LIST_NONDROPPABLE_ITEMS = new ArrayList<>();
 	public static String PET_RENT_NPC;
@@ -1452,6 +1453,7 @@ public class Config
 		WYVERN_SPEED = generalConfig.getInt("WyvernSpeed", 100);
 		STRIDER_SPEED = generalConfig.getInt("StriderSpeed", 80);
 		ALLOW_WYVERN_UPGRADER = generalConfig.getBoolean("AllowWyvernUpgrader", false);
+		CORRECT_PRICES = generalConfig.getBoolean("CorrectPrices", true);
 		ENABLE_AIO_SYSTEM = generalConfig.getBoolean("EnableAioSystem", true);
 		ALLOW_AIO_NCOLOR = generalConfig.getBoolean("AllowAioNameColor", true);
 		AIO_NCOLOR = Integer.decode("0x" + generalConfig.getString("AioNameColor", "88AA88"));

L2J_Mobius_C6_Interlude/java/org/l2jmobius/gameserver/TradeController.java

@@ -84,10 +84,11 @@ public class TradeController
 						limitedItem = true;
 					}
 					
-					if (!rset1.getString("npc_id").equals("gm") && (price < (item.getReferencePrice() / 2)))
+					final int sellPrice = item.getReferencePrice() / 2;
+					if (Config.CORRECT_PRICES && (price < sellPrice) && !rset1.getString("npc_id").equals("gm"))
 					{
-						LOGGER.warning("TradeList " + buy1.getListId() + " itemId  " + itemId + " has an ADENA sell price lower then reference price.. Automatically Updating it..");
+						LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buy1.getListId() + ".");
-						price = item.getReferencePrice();
+						price = sellPrice;
 					}
 					
 					item.setPriceToSell(price);

L2J_Mobius_CT_2.4_Epilogue/dist/game/config/General.ini

@@ -273,6 +273,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/Config.java

@@ -533,6 +533,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -2207,6 +2208,7 @@ public class Config
 			BOTREPORT_ALLOW_REPORTS_FROM_SAME_CLAN_MEMBERS = General.getBoolean("AllowReportsFromSameClanMembers", false);
 			ENABLE_PRIME_SHOP = General.getBoolean("EnablePrimeShop", false);
 			PRIME_SHOP_ITEM_ID = General.getInt("PrimeShopItemId", -1);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			ENABLE_FALLING_DAMAGE = General.getBoolean("EnableFallingDamage", true);
 			
 			// Load FloodProtector config file

L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -142,11 +142,11 @@ public class BuyListData implements IXmlReader
 							final Item item = ItemTable.getInstance().getTemplate(itemId);
 							if (item != null)
 							{
-								if ((price > -1) && (item.getReferencePrice() > price) && (buyList.getNpcsAllowed() != null))
+								final int sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
 								{
-									LOGGER.warning("Item price is too low. BuyList:" + buyList.getListId() + " ItemID:" + itemId + " File:" + f.getName());
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
-									LOGGER.warning("Setting price to reference price " + item.getReferencePrice() + " instead of " + price + ".");
+									buyList.addProduct(new Product(buyList.getListId(), item, sellPrice, restockDelay, count));
-									buyList.addProduct(new Product(buyList.getListId(), item, item.getReferencePrice(), restockDelay, count));
 								}
 								else
 								{

L2J_Mobius_CT_2.6_HighFive/dist/game/config/General.ini

@@ -273,6 +273,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_CT_2.6_HighFive/java/org/l2jmobius/Config.java

@@ -538,6 +538,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -2212,6 +2213,7 @@ public class Config
 			BOTREPORT_ALLOW_REPORTS_FROM_SAME_CLAN_MEMBERS = General.getBoolean("AllowReportsFromSameClanMembers", false);
 			ENABLE_PRIME_SHOP = General.getBoolean("EnablePrimeShop", false);
 			PRIME_SHOP_ITEM_ID = General.getInt("PrimeShopItemId", -1);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			ENABLE_FALLING_DAMAGE = General.getBoolean("EnableFallingDamage", true);
 			
 			// Load FloodProtector config file

L2J_Mobius_CT_2.6_HighFive/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -142,11 +142,11 @@ public class BuyListData implements IXmlReader
 							final Item item = ItemTable.getInstance().getTemplate(itemId);
 							if (item != null)
 							{
-								if ((price > -1) && (item.getReferencePrice() > price) && (buyList.getNpcsAllowed() != null))
+								final int sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
 								{
-									LOGGER.warning("Item price is too low. BuyList:" + buyList.getListId() + " ItemID:" + itemId + " File:" + f.getName());
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
-									LOGGER.warning("Setting price to reference price " + item.getReferencePrice() + " instead of " + price + ".");
+									buyList.addProduct(new Product(buyList.getListId(), item, sellPrice, restockDelay, count));
-									buyList.addProduct(new Product(buyList.getListId(), item, item.getReferencePrice(), restockDelay, count));
 								}
 								else
 								{

L2J_Mobius_Classic_2.0_Saviors/dist/game/config/General.ini

@@ -284,6 +284,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_Classic_2.0_Saviors/java/org/l2jmobius/Config.java

@@ -494,6 +494,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -1949,6 +1950,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");
 			DEFAULT_TRADE_CHAT = General.getString("TradeChat", "ON");

L2J_Mobius_Classic_2.0_Saviors/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final int sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_Classic_2.0_Saviors/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -167,7 +167,7 @@ public class MultisellData implements IXmlReader
 									final Item item = ItemTable.getInstance().getTemplate(id);
 									if (item != null)
 									{
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 								}
 								else
@@ -186,7 +186,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_Classic_2.0_Saviors/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_Classic_2.1_Zaken/dist/game/config/General.ini

@@ -284,6 +284,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_Classic_2.1_Zaken/java/org/l2jmobius/Config.java

@@ -494,6 +494,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -1953,6 +1954,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");
 			DEFAULT_TRADE_CHAT = General.getString("TradeChat", "ON");

L2J_Mobius_Classic_2.1_Zaken/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final int sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_Classic_2.1_Zaken/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -167,7 +167,7 @@ public class MultisellData implements IXmlReader
 									final Item item = ItemTable.getInstance().getTemplate(id);
 									if (item != null)
 									{
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 								}
 								else
@@ -186,7 +186,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_Classic_2.1_Zaken/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_Classic_2.2_Antharas/dist/game/config/General.ini

@@ -284,6 +284,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_Classic_2.2_Antharas/java/org/l2jmobius/Config.java

@@ -494,6 +494,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -1953,6 +1954,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");
 			DEFAULT_TRADE_CHAT = General.getString("TradeChat", "ON");

L2J_Mobius_Classic_2.2_Antharas/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final int sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_Classic_2.2_Antharas/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -167,7 +167,7 @@ public class MultisellData implements IXmlReader
 									final Item item = ItemTable.getInstance().getTemplate(id);
 									if (item != null)
 									{
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 								}
 								else
@@ -186,7 +186,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_Classic_2.2_Antharas/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_Classic_2.3_SevenSigns/dist/game/config/General.ini

@@ -284,6 +284,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_Classic_2.3_SevenSigns/java/org/l2jmobius/Config.java

@@ -494,6 +494,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -1954,6 +1955,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");
 			DEFAULT_TRADE_CHAT = General.getString("TradeChat", "ON");

L2J_Mobius_Classic_2.3_SevenSigns/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final int sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_Classic_2.3_SevenSigns/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -167,7 +167,7 @@ public class MultisellData implements IXmlReader
 									final Item item = ItemTable.getInstance().getTemplate(id);
 									if (item != null)
 									{
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 								}
 								else
@@ -186,7 +186,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_Classic_2.3_SevenSigns/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_Classic_2.4_SecretOfEmpire/dist/game/config/General.ini

@@ -284,6 +284,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_Classic_2.4_SecretOfEmpire/java/org/l2jmobius/Config.java

@@ -494,6 +494,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -1963,6 +1964,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");
 			DEFAULT_TRADE_CHAT = General.getString("TradeChat", "ON");

L2J_Mobius_Classic_2.4_SecretOfEmpire/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final int sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_Classic_2.4_SecretOfEmpire/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -167,7 +167,7 @@ public class MultisellData implements IXmlReader
 									final Item item = ItemTable.getInstance().getTemplate(id);
 									if (item != null)
 									{
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 								}
 								else
@@ -186,7 +186,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_Classic_2.4_SecretOfEmpire/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_Classic_3.0_TheKamael/dist/game/config/General.ini

@@ -284,6 +284,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_Classic_3.0_TheKamael/java/org/l2jmobius/Config.java

@@ -494,6 +494,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -1976,6 +1977,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			ENABLE_FALLING_DAMAGE = General.getBoolean("EnableFallingDamage", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");

L2J_Mobius_Classic_3.0_TheKamael/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final int sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_Classic_3.0_TheKamael/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -167,7 +167,7 @@ public class MultisellData implements IXmlReader
 									final Item item = ItemTable.getInstance().getTemplate(id);
 									if (item != null)
 									{
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 								}
 								else
@@ -186,7 +186,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_Classic_3.0_TheKamael/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_Classic_Interlude/dist/game/config/General.ini

@@ -284,6 +284,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_Classic_Interlude/java/org/l2jmobius/Config.java

@@ -496,6 +496,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -1968,6 +1969,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");
 			DEFAULT_TRADE_CHAT = General.getString("TradeChat", "ON");

L2J_Mobius_Classic_Interlude/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -135,7 +135,16 @@ public class BuyListData implements IXmlReader
 									break;
 								}
 								
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final int sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{

L2J_Mobius_Classic_Interlude/java/org/l2jmobius/gameserver/data/xml/MultisellData.java

@@ -173,7 +173,7 @@ public class MultisellData implements IXmlReader
 											continue;
 										}
 										
-										totalPrice += (item.getReferencePrice() * count);
+										totalPrice += ((item.getReferencePrice() / 2) * count);
 									}
 									
 									products.add(product);
@@ -194,7 +194,7 @@ public class MultisellData implements IXmlReader
 						
 						// Check if buy price is lower than sell price.
 						// Only applies when there is only one ingredient and it is adena.
-						if ((ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
+						if (Config.CORRECT_PRICES && (ingredients.size() == 1) && (lastIngredientId == 57) && (lastIngredientCount < totalPrice))
 						{
 							LOGGER.warning("Buy price " + lastIngredientCount + " is less than sell price " + totalPrice + " at entry " + entryCounter.intValue() + " of multisell " + listId + ".");
 							// Adjust price.

L2J_Mobius_Classic_Interlude/java/org/l2jmobius/gameserver/model/buylist/ProductList.java

@@ -70,8 +70,8 @@ public class ProductList
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
 	
-	// public Set<Integer> getNpcsAllowed()
+	public Set<Integer> getNpcsAllowed()
-	// {
+	{
-	// return _allowedNpcs;
+		return _allowedNpcs;
-	// }
+	}
 }

L2J_Mobius_Essence_4.0_DwellingOfSpirits/dist/game/config/General.ini

@@ -284,6 +284,10 @@ GridNeighborTurnOnTime = 1
 # Default: 90
 GridNeighborTurnOffTime = 90
 
+# Correct buylist and multisell prices when lower than sell price.
+# Default: True
+CorrectPrices = True
+
 
 # ---------------------------------------------------------------------------
 # Falling Damage

L2J_Mobius_Essence_4.0_DwellingOfSpirits/java/org/l2jmobius/Config.java

@@ -496,6 +496,7 @@ public class Config
 	public static int MAX_NPC_ANIMATION;
 	public static int MIN_MONSTER_ANIMATION;
 	public static int MAX_MONSTER_ANIMATION;
+	public static boolean CORRECT_PRICES;
 	public static boolean ENABLE_FALLING_DAMAGE;
 	public static boolean GRIDS_ALWAYS_ON;
 	public static int GRID_NEIGHBOR_TURNON_TIME;
@@ -2019,6 +2020,7 @@ public class Config
 			GRIDS_ALWAYS_ON = General.getBoolean("GridsAlwaysOn", false);
 			GRID_NEIGHBOR_TURNON_TIME = General.getInt("GridNeighborTurnOnTime", 1);
 			GRID_NEIGHBOR_TURNOFF_TIME = General.getInt("GridNeighborTurnOffTime", 90);
+			CORRECT_PRICES = General.getBoolean("CorrectPrices", true);
 			ENABLE_FALLING_DAMAGE = General.getBoolean("EnableFallingDamage", true);
 			PEACE_ZONE_MODE = General.getInt("PeaceZoneMode", 0);
 			DEFAULT_GLOBAL_CHAT = General.getString("GlobalChat", "ON");

L2J_Mobius_Essence_4.0_DwellingOfSpirits/java/org/l2jmobius/gameserver/data/xml/BuyListData.java

@@ -126,7 +126,16 @@ public class BuyListData implements IXmlReader
 								final long restockDelay = parseLong(attrs, "restock_delay", -1L);
 								final long count = parseLong(attrs, "count", -1L);
 								final int baseTax = parseInteger(attrs, "baseTax", defaultBaseTax);
-								buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								final int sellPrice = item.getReferencePrice() / 2;
+								if (Config.CORRECT_PRICES && (price > -1) && (sellPrice > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Buy price " + price + " is less than sell price " + sellPrice + " for ItemID:" + itemId + " of buylist " + buyList.getListId() + ".");
+									buyList.addProduct(new Product(buyListId, item, sellPrice, restockDelay, count, baseTax));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyListId, item, price, restockDelay, count, baseTax));
+								}
 							}
 							else
 							{