/**
* Calculates DODGE chance
*
* @param attacker
* @param attacked
* @param accMod
* @return int
*/
public static int calculatePhysicalDodgeRate(Creature attacker, Creature attacked, int accMod) {
// check attack status = BLIND
if (attacker.getObserveController().checkAttackerStatus(AttackStatus.DODGE)) return 100;
if (attacker.getEffectController().isAbnormalSet(EffectId.BLIND)) return 100;
if (attacker.getEffectController().isAbnormalSet(EffectId.BLIND)) return 100;
int accurancy;
if (attacker instanceof Player
&& ((Player) attacker).getEquipment().getSubHandWeaponType() != null)
accurancy =
Math.round(
(attacker.getGameStats().getCurrentStat(StatEnum.MAIN_HAND_ACCURACY)
+ attacker.getGameStats().getCurrentStat(StatEnum.SUB_HAND_ACCURACY))
/ 2);
else accurancy = attacker.getGameStats().getCurrentStat(StatEnum.MAIN_HAND_ACCURACY);
// add bonus stat from effecttemplate
accurancy += accMod;
int dodgeRate = (attacked.getGameStats().getCurrentStat(StatEnum.EVASION) - accurancy) / 10;
// maximal dodge rate
if (dodgeRate > 30) dodgeRate = 30;
if (dodgeRate <= 0) return 1;
return dodgeRate;
}
/**
* Calculates PHYSICAL CRITICAL chance
*
* @param attacker
* @param attacked
* @float criticalProb
* @return double
*/
public static double calculatePhysicalCriticalRate(
Creature attacker, Creature attacked, float criticalProb) {
int critical;
// check always critical
if (attacker.getObserveController().checkAttackerStatus(AttackStatus.CRITICAL)) return 100;
if (attacker instanceof Player
&& ((Player) attacker).getEquipment().getSubHandWeaponType() != null)
critical =
Math.round(
(attacker.getGameStats().getCurrentStat(StatEnum.MAIN_HAND_CRITICAL)
+ attacker.getGameStats().getCurrentStat(StatEnum.SUB_HAND_CRITICAL))
/ 2);
else critical = attacker.getGameStats().getCurrentStat(StatEnum.MAIN_HAND_CRITICAL);
critical =
Math.round(
critical * criticalProb
- attacked.getGameStats().getCurrentStat(StatEnum.PHYSICAL_CRITICAL_RESIST));
double criticalRate;
if (critical <= 440) criticalRate = critical * 0.1f;
else if (critical <= 600) criticalRate = (440 * 0.1f) + ((critical - 440) * 0.05f);
else criticalRate = (440 * 0.1f) + (160 * 0.05f) + ((critical - 600) * 0.02f);
// minimal critical rate
if (criticalRate < 1) criticalRate = 1;
return criticalRate;
}
/**
* @param player
* @param target
* @param skillEffectTemplate
* @param dot -whether its damage over time - dot is not multiplied by knowledge
* @return HP damage to target
*/
public static int calculateMagicDamageToTarget(
Creature speller,
Creature effected,
int baseDamages,
int bonusDamages,
SkillElement element,
boolean dot) {
CreatureGameStats<?> sgs = speller.getGameStats();
int totalBoostMagicalSkill = sgs.getCurrentStat(StatEnum.BOOST_MAGICAL_SKILL);
int knowledge = 0;
if (dot) knowledge = 100;
else knowledge = sgs.getCurrentStat(StatEnum.KNOWLEDGE);
int damages = Math.round(baseDamages * ((knowledge / 100f) + (totalBoostMagicalSkill / 1000f)));
// add damage from actionmodifiers
damages += bonusDamages;
// elemental resistance
damages =
Math.round(damages * (1 - effected.getGameStats().getMagicalDefenseFor(element) / 1000f));
if (damages <= 0) {
damages = 1;
}
return damages;
}
/**
* @param attacker
* @param target
* @param skillDamages
* @return Damage made to target (-hp value)
*/
public static int calculateMagicalAttackToTarget(
Creature attacker, Creature attacked, SkillElement element) {
CreatureGameStats<?> ags = attacker.getGameStats();
int resultDamage = 0;
if (attacker instanceof Player) {
int min = ags.getCurrentStat(StatEnum.MAIN_MIN_DAMAGES);
int max = ags.getCurrentStat(StatEnum.MAIN_MAX_DAMAGES);
Equipment equipment = ((Player) attacker).getEquipment();
int base = Math.round(Rnd.get(min, max) * ags.getCurrentStat(StatEnum.KNOWLEDGE) * 0.01f);
resultDamage = base + ags.getStatBonus(StatEnum.MAGICAL_ATTACK);
if (attacker.isInState(CreatureState.POWERSHARD)) {
Item mainHandPowerShard = equipment.getMainHandPowerShard();
if (mainHandPowerShard != null) {
resultDamage += mainHandPowerShard.getItemTemplate().getWeaponBoost();
equipment.usePowerShard(mainHandPowerShard, 1);
}
}
}
// magical resistance
resultDamage =
Math.round(
resultDamage * (1 - attacked.getGameStats().getMagicalDefenseFor(element) / 1000f));
if (resultDamage <= 0) resultDamage = 1;
return resultDamage;
}
/**
* @param attacker
* @param target
* @return
*/
public static int calculateSubHandPhysicDamageToTarget(Creature attacker, Creature attacked) {
CreatureGameStats<?> ags = attacker.getGameStats();
int min = ags.getCurrentStat(StatEnum.SUB_MIN_DAMAGES);
int max = ags.getCurrentStat(StatEnum.SUB_MAX_DAMAGES);
int average = Math.round((min + max) / 2);
Equipment equipment = ((Player) attacker).getEquipment();
if (average < 1) {
average = 1;
log.warn("Weapon stat MIN_MAX_DAMAGE resulted average zero in sub-hand calculation");
log.warn(
"Weapon ID: "
+ String.valueOf(equipment.getSubHandWeapon().getItemTemplate().getTemplateId()));
log.warn("MIN_DAMAGE = " + String.valueOf(min));
log.warn("MAX_DAMAGE = " + String.valueOf(max));
}
int base = Rnd.get(min, max);
int damage = base + ags.getStatBonus(StatEnum.SUB_HAND_PHYSICAL_ATTACK);
if (attacker.isInState(CreatureState.POWERSHARD)) {
Item subHandPowerShard = equipment.getSubHandPowerShard();
if (subHandPowerShard != null) {
damage += subHandPowerShard.getItemTemplate().getWeaponBoost();
equipment.usePowerShard(subHandPowerShard, 1);
}
}
int dualEffect = ((Player) attacker).getEffectController().getDualEffect();
if (dualEffect == 0) {
log.warn(
"Missing dualeffect for player "
+ ((Player) attacker).getName()
+ " possible hack? or bug?");
dualEffect = 25;
}
if (Rnd.get(0, 100) < 25) damage *= (dualEffect * 0.007f);
// physical defense
damage -= Math.round(attacked.getGameStats().getCurrentStat(StatEnum.PHYSICAL_DEFENSE) * 0.10f);
if (damage <= 0) damage = 1;
return damage;
}
/**
* Calculates MAGICAL CRITICAL chance
*
* @param attacker
* @param attacked
* @param criticalProb
* @return double
*/
public static double calculateMagicalCriticalRate(
Creature attacker, Creature attacked, float criticalProb) {
int critical;
critical =
Math.round(
attacker.getGameStats().getCurrentStat(StatEnum.MAGICAL_CRITICAL) * criticalProb
- attacked.getGameStats().getCurrentStat(StatEnum.MAGICAL_CRITICAL_RESIST));
double criticalRate;
if (critical <= 440) criticalRate = critical * 0.1f;
else if (critical <= 600) criticalRate = (440 * 0.1f) + ((critical - 440) * 0.05f);
else criticalRate = (440 * 0.1f) + (160 * 0.05f) + ((critical - 600) * 0.02f);
// minimal critical rate
if (criticalRate < 1) criticalRate = 1;
return criticalRate;
}
/**
* Calculates BLOCK chance
*
* @param attacker
* @param attacked
* @return int
*/
public static int calculatePhysicalBlockRate(Creature attacker, Creature attacked) {
// check always block
if (attacked.getObserveController().checkAttackStatus(AttackStatus.BLOCK)) return 100;
int accuracy;
if (attacker instanceof Player
&& ((Player) attacker).getEquipment().getSubHandWeaponType() != null)
accuracy =
Math.round(
(attacker.getGameStats().getCurrentStat(StatEnum.MAIN_HAND_ACCURACY)
+ attacker.getGameStats().getCurrentStat(StatEnum.SUB_HAND_ACCURACY))
/ 2);
else accuracy = attacker.getGameStats().getCurrentStat(StatEnum.MAIN_HAND_ACCURACY);
int blockRate = (attacked.getGameStats().getCurrentStat(StatEnum.BLOCK) - accuracy) / 10;
// maximal block rate
if (blockRate > 50) blockRate = 50;
if (blockRate <= 0) return 1;
return blockRate;
}
/**
* Calculates PARRY chance
*
* @param attacker
* @param attacked
* @return int
*/
public static int calculatePhysicalParryRate(Creature attacker, Creature attacked) {
// check always parry
if (attacked.getObserveController().checkAttackStatus(AttackStatus.PARRY)) return 100;
int accuracy;
if (attacker instanceof Player
&& ((Player) attacker).getEquipment().getSubHandWeaponType() != null)
accuracy =
Math.round(
(attacker.getGameStats().getCurrentStat(StatEnum.MAIN_HAND_ACCURACY)
+ attacker.getGameStats().getCurrentStat(StatEnum.SUB_HAND_ACCURACY))
/ 2);
else accuracy = attacker.getGameStats().getCurrentStat(StatEnum.MAIN_HAND_ACCURACY);
int parryRate = (attacked.getGameStats().getCurrentStat(StatEnum.PARRY) - accuracy) / 10;
// maximal parry rate
if (parryRate > 40) parryRate = 40;
if (parryRate <= 0) return 1;
return parryRate;
}
/**
* Calculates RESIST chance
*
* @param attacker
* @param attacked
* @param accMod
* @return int
*/
public static int calculateMagicalResistRate(Creature attacker, Creature attacked, int accMod) {
if (attacked.getObserveController().checkAttackStatus(AttackStatus.RESIST)) return 100;
// if(attacker.getEffectController().isAbnormalSet(EffectId.BLIND))
// return 100;
int stat_res = attacked.getGameStats().getCurrentStat(StatEnum.MAGICAL_RESIST);
int stat_acc = attacker.getGameStats().getCurrentStat(StatEnum.MAGICAL_ACCURACY);
int attackerLevel = attacker.getLevel();
int targetLevel = attacked.getLevel();
// add bonus stat from effecttemplate
stat_acc += accMod;
int resist = (stat_res - stat_acc) / 10;
if ((targetLevel - attackerLevel) > 2) resist += (targetLevel - attackerLevel - 2) * 10;
if (resist <= 0) // cant resist
return 0;
else if (resist > 95) // hardcap 95%
return 95;
else return resist;
}
/** {@inheritDoc} */
@Override
protected void writeImpl(AionConnection con, ByteBuffer buf) {
writeF(buf, npc.getX()); // x
writeF(buf, npc.getY()); // y
writeF(buf, npc.getZ()); // z
writeD(buf, npc.getObjectId());
writeD(buf, npcId);
writeD(buf, npcId);
writeC(buf, npcTypeId);
writeH(
buf,
npc
.getState()); // unk 65=normal,0x47 (71)= [dead npc ?]no drop,0x21(33)=fight
// state,0x07=[dead monster?]
// no drop
// 3,19 - wings spread (NPCs)
// 5,6,11,21 - sitting (NPC)
// 7,23 - dead (no drop)
// 8,24 - [dead][NPC only] - looks like some orb of light (no normal mesh)
// 32,33 - fight mode
writeC(buf, npc.getHeading());
writeD(buf, npcTemplate.getNameId());
writeD(buf, npcTemplate.getTitleId()); // titleID
writeH(buf, 0x00); // unk
writeC(buf, 0x00); // unk
writeD(buf, 0x00); // unk
/*
* Master Info (Summon, Kisk, Etc)
*/
writeD(buf, masterObjId); // masterObjectId
writeS(buf, masterName); // masterName
int maxHp = npc.getLifeStats().getMaxHp();
int currHp = npc.getLifeStats().getCurrentHp();
writeC(buf, 100 * currHp / maxHp); // %hp
writeD(buf, npc.getGameStats().getCurrentStat(StatEnum.MAXHP));
writeC(buf, npc.getLevel()); // lvl
NpcEquippedGear gear = npcTemplate.getEquipment();
if (gear == null) writeH(buf, 0x00);
else {
writeH(buf, gear.getItemsMask());
for (Entry<ItemSlot, ItemTemplate> item :
gear) // getting it from template ( later if we make sure that npcs actually use items,
// we'll make Item from it )
{
writeD(buf, item.getValue().getTemplateId());
writeD(buf, 0x00);
writeD(buf, 0x00);
writeH(buf, 0x00);
}
}
writeF(buf, 1.5f); // unk
writeF(buf, npcTemplate.getHeight());
writeF(buf, npc.getMoveController().getSpeed()); // speed
writeH(buf, 2000); // 0x834 (depends on speed ? )
writeH(buf, 2000); // 0x834
if (npc instanceof Servant) writeC(buf, 0x01); // unk
else writeC(buf, 0x00);
/** Movement */
writeF(buf, npc.getX()); // x
writeF(buf, npc.getY()); // y
writeF(buf, npc.getZ()); // z
writeC(buf, 0x00); // move type
SpawnTemplate spawn = npc.getSpawn();
if (spawn == null) {
writeH(buf, 0);
} else {
int mask =
(Math.round(spawn.getStaticid() / 0xFF) < 0 ? 0 : Math.round(spawn.getStaticid() / 0xFF));
byte[] statics = new byte[] {(byte) spawn.getStaticid(), (byte) mask};
writeB(buf, statics);
}
writeC(buf, 0);
writeC(buf, 0); // all unknown
writeC(buf, 0);
writeC(buf, 0);
writeC(buf, 0);
writeC(buf, 0);
writeC(buf, 0);
writeC(buf, 0);
writeC(buf, npc.getVisualState()); // visualState
/** 1 : normal (kisk too) 2 : summon 32 : trap 1024 : holy servant, noble energy */
writeH(buf, npc.getNpcObjectType().getId());
writeC(buf, 0x00); // unk
if (npc instanceof Artifact) {
writeD(buf, 0);
} else {
writeD(buf, npc.getTarget() == null ? 0 : npc.getTarget().getObjectId());
}
}
/**
* @param player
* @param target
* @param skillDamages
* @return Damage made to target (-hp value)
*/
public static int calculatePhysicDamageToTarget(
Creature attacker, Creature attacked, int skillDamages, int bonusDamages) {
CreatureGameStats<?> ags = attacker.getGameStats();
int resultDamage = 0;
if (attacker instanceof Player) {
int min = ags.getCurrentStat(StatEnum.MAIN_MIN_DAMAGES);
int max = ags.getCurrentStat(StatEnum.MAIN_MAX_DAMAGES);
int min2 = ags.getCurrentStat(StatEnum.SUB_MIN_DAMAGES);
int max2 = ags.getCurrentStat(StatEnum.SUB_MAX_DAMAGES);
// weapon with higher average should be taken into account for skills
if (skillDamages > 0) {
if (((min + max) / 2) < ((min2 + max2) / 2)) {
min = min2;
max = max2;
}
}
int average = Math.round((min + max) / 2);
Equipment equipment = ((Player) attacker).getEquipment();
WeaponType weaponType = equipment.getMainHandWeaponType();
if (weaponType != null) {
if (average < 1) {
average = 1;
log.warn("Weapon stat MIN_MAX_DAMAGE resulted average zero in main-hand calculation");
log.warn(
"Weapon ID: "
+ String.valueOf(
equipment.getMainHandWeapon().getItemTemplate().getTemplateId()));
log.warn("MIN_DAMAGE = " + String.valueOf(min));
log.warn("MAX_DAMAGE = " + String.valueOf(max));
}
int base = Math.round(Rnd.get(min, max) * ags.getCurrentStat(StatEnum.POWER) * 0.01f);
resultDamage =
base
+ ags.getStatBonus(StatEnum.MAIN_HAND_PHYSICAL_ATTACK)
+ skillDamages
+ bonusDamages;
} else // if hand attack
{
int base = Rnd.get(16, 20);
resultDamage = Math.round(base * (ags.getCurrentStat(StatEnum.POWER) * 0.01f));
}
if (attacker.isInState(CreatureState.POWERSHARD)) {
Item mainHandPowerShard = equipment.getMainHandPowerShard();
if (mainHandPowerShard != null) {
resultDamage += mainHandPowerShard.getItemTemplate().getWeaponBoost();
equipment.usePowerShard(mainHandPowerShard, 1);
}
}
} else if (attacker instanceof Summon) {
int baseDamage = ags.getCurrentStat(StatEnum.MAIN_HAND_PHYSICAL_ATTACK);
// 10% range for summon attack
int max = ((baseDamage * attacker.getLevel()) / 10);
int min = Math.round(max * 0.9f);
resultDamage += Rnd.get(min, max);
} else {
NpcRank npcRank = ((Npc) attacker).getObjectTemplate().getRank();
double multipler = calculateRankMultipler(npcRank);
double hpGaugeMod = 1 + (((Npc) attacker).getObjectTemplate().getHpGauge() / 10);
int baseDamage = ags.getCurrentStat(StatEnum.MAIN_HAND_PHYSICAL_ATTACK);
int max =
(int) ((baseDamage * multipler * hpGaugeMod) + ((baseDamage * attacker.getLevel()) / 10));
int min = max - ags.getCurrentStat(StatEnum.MAIN_HAND_PHYSICAL_ATTACK);
resultDamage += Rnd.get(min, max);
}
// physical defense
resultDamage -=
Math.round(attacked.getGameStats().getCurrentStat(StatEnum.PHYSICAL_DEFENSE) * 0.10f);
if (resultDamage <= 0) resultDamage = 1;
return resultDamage;
}
/**
* Hate based on BOOST_HATE stat Now used only from skills, probably need to use for regular
* attack
*
* @param creature
* @param value
* @return
*/
public static int calculateHate(Creature creature, int value) {
return Math.round(value * creature.getGameStats().getCurrentStat(StatEnum.BOOST_HATE) / 100f);
}
