Enchant bonus stats for R grade items.

trunk/java/com/l2jserver/gameserver/model/stats/functions/FuncEnchant.java

@@ -82,6 +82,11 @@ public class FuncEnchant extends AbstractFunction
 		{
 			switch (item.getItem().getCrystalTypePlus())
 			{
+				case R:
+					// M. Atk. increases by 5 for all weapons.
+					// Starting at +4, M. Atk. bonus double.
+					value += (5 * enchant) + (10 * overenchant);
+					break;
 				case S:
 					// M. Atk. increases by 4 for all weapons.
 					// Starting at +4, M. Atk. bonus double.
@@ -109,6 +114,29 @@ public class FuncEnchant extends AbstractFunction
 			final WeaponType type = (WeaponType) item.getItemType();
 			switch (item.getItem().getCrystalTypePlus())
 			{
+				case R:
+					if (item.getWeaponItem().getBodyPart() == L2Item.SLOT_LR_HAND)
+					{
+						if ((type == WeaponType.BOW) || (type == WeaponType.CROSSBOW))
+						{
+							// P. Atk. increases by 12 for bows.
+							// Starting at +4, P. Atk. bonus double.
+							value += (12 * enchant) + (24 * overenchant);
+						}
+						else
+						{
+							// P. Atk. increases by 7 for two-handed swords, two-handed blunts, dualswords, and two-handed combat weapons.
+							// Starting at +4, P. Atk. bonus double.
+							value += (7 * enchant) + (14 * overenchant);
+						}
+					}
+					else
+					{
+						// P. Atk. increases by 6 for one-handed swords, one-handed blunts, daggers, spears, and other weapons.
+						// Starting at +4, P. Atk. bonus double.
+						value += (6 * enchant) + (12 * overenchant);
+					}
+					break;
 				case S:
 					if (item.getWeaponItem().getBodyPart() == L2Item.SLOT_LR_HAND)
 					{