Support for hitConditionBonus (AccCombat is affected by different conditions), thanks nik.

L2_GameServer/java/com/l2jserver/gameserver/skills/Formulas.java

@@ -2022,12 +2022,8 @@ public final class Formulas
 	{
 		int chance = (80 + (2 * (attacker.getAccuracy() - target.getEvasionRate(attacker))))*10;
 		
-		if(attacker.isBehindTarget())
-			chance *= 1.2;
-		else if(attacker.isInFrontOfTarget())
-			chance *= 1;
-		else
-			chance *= 1.1;
+		// Get additional bonus from the conditions when you are attacking
+		chance *= hitConditionBonus.getConditionBonus(attacker, target);
 		
 		chance = Math.max(chance, 200);
 		chance = Math.min(chance, 980);

L2_GameServer/java/com/l2jserver/gameserver/skills/hitConditionBonus.java

@@ -0,0 +1,137 @@
+/*
+ * This program is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later
+ * version.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ * 
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.gameserver.skills;
+
+import java.io.File;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.xml.parsers.DocumentBuilderFactory;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+
+import com.l2jserver.Config;
+import com.l2jserver.gameserver.GameTimeController;
+import com.l2jserver.gameserver.model.actor.L2Character;
+
+/**
+ * 
+ * @author Nik
+ *
+ */
+public class hitConditionBonus
+{
+	protected static final Logger _log = Logger.getLogger(hitConditionBonus.class.getName());
+	
+	private static int frontBonus = 0;
+	private static int sideBonus = 0;
+	private static int backBonus = 0;
+	private static int highBonus = 0;
+	private static int lowBonus = 0;
+	private static int darkBonus = 0;
+	//private static int rainBonus = 0;
+	
+	protected static double getConditionBonus(L2Character attacker, L2Character target)
+	{
+		int mod = 100;
+		// Get high or low bonus
+		if (attacker.getZ() - target.getZ() > 50)
+			mod += hitConditionBonus.highBonus;
+		else if (attacker.getZ() - target.getZ() < -50)
+			mod += hitConditionBonus.lowBonus;
+		
+		// Get weather bonus
+		if (GameTimeController.getInstance().isNowNight())
+			mod += hitConditionBonus.darkBonus;
+		//else if () No rain support yet.
+			//chance += hitConditionBonus.rainBonus;
+		
+		// Get side bonus
+		if(attacker.isBehindTarget())
+			mod += hitConditionBonus.backBonus;
+		else if(attacker.isInFrontOfTarget())
+			mod += hitConditionBonus.frontBonus;
+		else
+			mod += hitConditionBonus.sideBonus;
+		
+		// If (mod / 10) is less than 0, return 0, because we cant lower more than 100%.
+		return Math.max(mod / 100, 0); 
+	}
+	
+	static
+	{
+		final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+		factory.setValidating(false);
+		factory.setIgnoringComments(true);
+		final File file = new File(Config.DATAPACK_ROOT, "data/stats/hitConditionBonus.xml");
+		Document doc = null;
+		
+		if (file.exists())
+		{
+			try
+			{
+				doc = factory.newDocumentBuilder().parse(file);
+			}
+			catch (Exception e)
+			{
+				_log.log(Level.WARNING, "[hitConditionBonus] Could not parse file: " + e.getMessage(), e);
+			}
+			
+			String name;
+			int bonus = 0;
+			for (Node list = doc.getFirstChild(); list != null; list = list.getNextSibling())
+			{
+				if ("hitConditionBonus".equalsIgnoreCase(list.getNodeName()) || "list".equalsIgnoreCase(list.getNodeName()))
+				{
+					for (Node cond = list.getFirstChild(); cond != null; cond = cond.getNextSibling())
+					{
+						name = cond.getNodeName();
+						try
+						{
+							bonus = Integer.parseInt(cond.getAttributes().getNamedItem("val").getNodeValue());							
+						}
+						catch (Exception e)
+						{
+							_log.log(Level.WARNING, "[hitConditionBonus] Could not parse condition: " + e.getMessage(), e);
+						}
+						finally
+						{
+							if ("front".equals(name))
+								frontBonus = bonus;
+							else if ("side".equals(name))
+								sideBonus = bonus;
+							else if ("back".equals(name))
+								backBonus = bonus;
+							else if ("high".equals(name))
+								highBonus = bonus;
+							else if ("low".equals(name))
+								lowBonus = bonus;
+							else if ("dark".equals(name))
+								darkBonus = bonus;
+							//else if ("rain".equals(name))
+								//rainBonus = bonus;
+						}
+						
+					}
+				}
+			}
+		}
+		else
+		{
+			throw new Error("[hitConditionBonus] File not found: "+file.getName());
+		}
+	}
+}