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Fixed blow rate chances.

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MobiusDev
2017-12-09 18:47:45 +00:00
parent 247a5bc9f5
commit 683ae0ef52
137 changed files with 808 additions and 637 deletions
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66
L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/stats/Formulas.java
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@@ -36,6 +36,7 @@ import com.l2jmobius.gameserver.model.actor.instance.L2StaticObjectInstance;
import com.l2jmobius.gameserver.model.cubic.CubicInstance;
import com.l2jmobius.gameserver.model.effects.EffectFlag;
import com.l2jmobius.gameserver.model.effects.L2EffectType;
import com.l2jmobius.gameserver.model.interfaces.ILocational;
import com.l2jmobius.gameserver.model.items.L2Armor;
import com.l2jmobius.gameserver.model.items.L2Item;
import com.l2jmobius.gameserver.model.items.L2Weapon;
@@ -264,6 +265,37 @@ public final class Formulas
return finalRate > Rnd.get(1000);
}
/**
* Gets the default (10% for side, 30% for back) positional critical rate bonus and multiplies it by any buffs that give positional critical rate bonus.
* @param activeChar the attacker.
* @param target the target.
* @return a multiplier representing the positional critical rate bonus. Autoattacks for example get this bonus on top of the already capped critical rate of 500.
*/
public static double calcCriticalPositionBonus(L2Character activeChar, L2Character target)
{
// final Position position = activeChar.getStat().has(Stats.ATTACK_BEHIND) ? Position.BACK : Position.getPosition(activeChar, target);
switch (Position.getPosition(activeChar, target))
{
case SIDE: // 10% Critical Chance bonus when attacking from side.
{
return 1.1 * activeChar.getStat().getPositionTypeValue(Stats.CRITICAL_RATE, Position.SIDE);
}
case BACK: // 30% Critical Chance bonus when attacking from back.
{
return 1.3 * activeChar.getStat().getPositionTypeValue(Stats.CRITICAL_RATE, Position.BACK);
}
default: // No Critical Chance bonus when attacking from front.
{
return activeChar.getStat().getPositionTypeValue(Stats.CRITICAL_RATE, Position.FRONT);
}
}
}
public static double calcCriticalHeightBonus(ILocational from, ILocational target)
{
return ((((CommonUtil.constrain(from.getZ() - target.getZ(), -25, 25) * 4) / 5) + 10) / 100) + 1;
}
/**
* @param attacker
* @param target
@@ -1018,21 +1050,37 @@ public final class Formulas
return cha.getStat().getValue(Stats.FALL, (fallHeight * cha.getMaxHp()) / 1000.0);
}
public static boolean calcBlowSuccess(L2Character activeChar, L2Character target, Skill skill, double blowChance)
/**
* Basic chance formula:<br>
* <ul>
* <li>chance = weapon_critical * dex_bonus * crit_height_bonus * crit_pos_bonus * effect_bonus * fatal_blow_rate</li>
* <li>weapon_critical = (12 for daggers)</li>
* <li>dex_bonus = dex modifier bonus for current dex (Seems unused in GOD, so its not used in formula).</li>
* <li>crit_height_bonus = (z_diff * 4 / 5 + 10) / 100 + 1 or alternatively (z_diff * 0.008) + 1.1. Be aware of z_diff constraint of -25 to 25.</li>
* <li>crit_pos_bonus = crit_pos(front = 1, side = 1.1, back = 1.3) * p_critical_rate_position_bonus</li>
* <li>effect_bonus = (p2 + 100) / 100, p2 - 2nd param of effect. Blow chance of effect.</li>
* </ul>
* Chance cannot be higher than 80%.
* @param activeChar
* @param target
* @param skill
* @param chanceBoost
* @return
*/
public static boolean calcBlowSuccess(L2Character activeChar, L2Character target, Skill skill, double chanceBoost)
{
final double weaponCritical = 12; // Dagger weapon critical mod is 12... TODO: Make it work for other weapons.
final L2Weapon weapon = activeChar.getActiveWeaponItem();
final double weaponCritical = weapon != null ? weapon.getStats(Stats.CRITICAL_RATE, activeChar.getTemplate().getBaseCritRate()) : activeChar.getTemplate().getBaseCritRate();
// double dexBonus = BaseStats.DEX.calcBonus(activeChar); Not used in GOD
final double critHeightBonus = ((((CommonUtil.constrain(activeChar.getZ() - target.getZ(), -25, 25) * 4) / 5) + 10) / 100) + 1;
final Position position = Position.getPosition(activeChar, target);
final double criticalPosition = position == Position.BACK ? 1.3 : position == Position.SIDE ? 1.1 : 1; // 30% chance from back, 10% chance from side.
final double criticalPositionMod = criticalPosition * activeChar.getStat().getPositionTypeValue(Stats.CRITICAL_RATE, position);
final double critHeightBonus = calcCriticalHeightBonus(activeChar, target);
final double criticalPosition = calcCriticalPositionBonus(activeChar, target); // 30% chance from back, 10% chance from side. Include buffs that give positional crit rate.
final double chanceBoostMod = (100 + chanceBoost) / 100;
final double blowRateMod = activeChar.getStat().getValue(Stats.BLOW_RATE, 1);
blowChance = (weaponCritical + blowChance) * 10;
final double rate = blowChance * critHeightBonus * criticalPositionMod * blowRateMod;
final double rate = criticalPosition * critHeightBonus * weaponCritical * chanceBoostMod * blowRateMod;
// Blow rate is capped at 80%
return Rnd.get(1000) < Math.min(rate, 800);
return Rnd.get(100) < Math.min(rate, 80);
}
public static List<BuffInfo> calcCancelStealEffects(L2Character activeChar, L2Character target, Skill skill, DispelSlotType slot, int rate, int max)