/// <summary>
/// Selects a random body part at current attack height
/// </summary>
public BodyPart GetBodyPart()
{
if (AttackHeight == null)
{
GetAttackHeight();
}
return(BodyParts.GetBodyPart(AttackHeight.Value));
}
public float CalculateDamage(WorldObject target, WorldObject damageSource, ref bool criticalHit)
{
var creature = target as Creature;
// evasion chance
var evadeChance = GetEvadeChance(target);
if (Physics.Common.Random.RollDice(0.0f, 1.0f) < evadeChance)
{
return(0.0f);
}
// get weapon base damage
var baseDamageRange = GetBaseDamage();
var baseDamage = Physics.Common.Random.RollDice(baseDamageRange.Min, baseDamageRange.Max);
// get damage mods
var powerAccuracyMod = GetPowerAccuracyMod();
var attributeMod = GetAttributeMod();
var damage = baseDamage * attributeMod * powerAccuracyMod;
// critical hit
var critical = 0.1f;
if (Physics.Common.Random.RollDice(0.0f, 1.0f) < critical)
{
damage = baseDamageRange.Max * attributeMod * powerAccuracyMod * 2.0f;
criticalHit = true;
}
// get random body part @ attack height
var bodyPart = BodyParts.GetBodyPart(AttackHeight);
// get target armor
var armor = GetArmor(target, bodyPart);
// get target resistance
DamageType damageType;
if (damageSource?.ItemType == ItemType.MissileWeapon)
{
damageType = (DamageType)damageSource.GetProperty(PropertyInt.DamageType);
}
else
{
damageType = GetDamageType();
}
var resistance = GetResistance(target, bodyPart, damageType);
// scale damage for armor and shield
var armorMod = SkillFormula.CalcArmorMod(resistance);
var shieldMod = creature.GetShieldMod(this, damageType);
return(damage * armorMod * shieldMod);
}
/// <summary>
/// Performs a melee attack for the monster
/// </summary>
/// <returns>The length in seconds for the attack animation</returns>
public float MeleeAttack()
{
var player = AttackTarget as Player;
if (player.Health.Current <= 0)
{
return(0.0f);
}
// choose a random combat maneuver
var maneuver = GetCombatManeuver();
if (maneuver == null)
{
return(0.0f);
}
AttackHeight = maneuver.AttackHeight;
// select random body part @ current attack height
var bodyPart = BodyParts.GetBodyPart(AttackHeight.Value);
DoSwingMotion(AttackTarget, maneuver, out float animLength);
PhysicsObj.stick_to_object(AttackTarget.PhysicsObj.ID);
var actionChain = new ActionChain();
actionChain.AddDelaySeconds(animLength / 2.0f);
actionChain.AddAction(this, () =>
{
if (AttackTarget == null)
{
return;
}
var critical = false;
var damageType = DamageType.Undef;
var damage = CalculateDamage(ref damageType, maneuver, bodyPart, ref critical);
if (damage > 0.0f)
{
player.TakeDamage(this, damageType, damage, bodyPart, critical);
}
else
{
player.OnEvade(this, AttackType.Melee);
}
});
actionChain.EnqueueChain();
// TODO: figure out exact speed / delay formula
NextAttackTime = Timer.CurrentTime + animLength + MeleeDelay;
return(animLength);
}
public float CalculateDamage(WorldObject target, ref bool criticalHit)
{
// evasion chance
var evadeChance = GetEvadeChance(target);
if (Physics.Common.Random.RollDice(0.0f, 1.0f) < evadeChance)
{
return(0.0f);
}
// get weapon base damage
var baseDamageRange = GetBaseDamage();
var baseDamage = Physics.Common.Random.RollDice(baseDamageRange.Min, baseDamageRange.Max);
// get damage mods
var powerAccuracyMod = GetPowerAccuracyMod();
var attributeMod = GetAttributeMod();
var damage = baseDamage * attributeMod * powerAccuracyMod;
// critical hit
var critical = 0.1f;
if (Physics.Common.Random.RollDice(0.0f, 1.0f) < critical)
{
damage = baseDamageRange.Max * attributeMod * powerAccuracyMod * 2.0f;
criticalHit = true;
}
// get random body part @ attack height
var bodyPart = BodyParts.GetBodyPart(AttackHeight);
// get target armor
var armor = GetArmor(target, bodyPart);
// get target resistance
var damageType = GetDamageType();
var resistance = GetResistance(target, bodyPart, damageType);
// scale damage for armor
damage *= SkillFormula.CalcArmorMod(resistance);
return(damage);
}
/// <summary>
/// Performs a melee attack for the monster
/// </summary>
/// <returns>The length in seconds for the attack animation</returns>
public float MeleeAttack()
{
var target = AttackTarget as Creature;
var targetPlayer = AttackTarget as Player;
var targetPet = AttackTarget as CombatPet;
var combatPet = this as CombatPet;
if (target == null || !target.IsAlive)
{
Sleep();
return(0.0f);
}
// choose a random combat maneuver
var maneuver = GetCombatManeuver();
if (maneuver == null)
{
Console.WriteLine($"Combat maneuver null! Stance {CurrentMotionState.Stance}, MotionTable {MotionTableId:X8}");
return(0.0f);
}
AttackHeight = maneuver.AttackHeight;
// select random body part @ current attack height
var bodyPart = BodyParts.GetBodyPart(AttackHeight.Value);
DoSwingMotion(AttackTarget, maneuver, out float animLength, out var attackFrames);
PhysicsObj.stick_to_object(AttackTarget.PhysicsObj.ID);
var numStrikes = attackFrames.Count;
var actionChain = new ActionChain();
var prevTime = 0.0f;
for (var i = 0; i < numStrikes; i++)
{
actionChain.AddDelaySeconds(attackFrames[i] * animLength - prevTime);
prevTime = attackFrames[i] * animLength;
actionChain.AddAction(this, () =>
{
if (AttackTarget == null)
{
return;
}
var critical = false;
var damageType = DamageType.Undef;
var shieldMod = 1.0f;
var damage = CalculateDamage(ref damageType, maneuver, bodyPart, ref critical, ref shieldMod);
if (damage != null)
{
if (combatPet != null || targetPet != null)
{
// combat pet inflicting or receiving damage
//Console.WriteLine($"{target.Name} taking {Math.Round(damage)} {damageType} damage from {Name}");
target.TakeDamage(this, damageType, damage.Value);
EmitSplatter(target, damage.Value);
}
else
{
// this is a player taking damage
targetPlayer.TakeDamage(this, damageType, damage.Value, bodyPart, critical);
if (shieldMod != 1.0f)
{
var shieldSkill = targetPlayer.GetCreatureSkill(Skill.Shield);
Proficiency.OnSuccessUse(targetPlayer, shieldSkill, shieldSkill.Current); // ?
}
}
}
else
{
target.OnEvade(this, CombatType.Melee);
}
});
}
actionChain.EnqueueChain();
// TODO: figure out exact speed / delay formula
var meleeDelay = ThreadSafeRandom.Next(MeleeDelayMin, MeleeDelayMax);
NextAttackTime = Timers.RunningTime + animLength + meleeDelay;
return(animLength);
}
/// <summary>
/// Performs a melee attack for the monster
/// </summary>
/// <returns>The length in seconds for the attack animation</returns>
public float MeleeAttack()
{
var target = AttackTarget as Creature;
if (target == null || !target.IsAlive)
{
Sleep();
return(0.0f);
}
// choose a random combat maneuver
var maneuver = GetCombatManeuver();
if (maneuver == null)
{
Console.WriteLine($"Combat maneuver null! Stance {CurrentMotionState.Stance}, MotionTable {MotionTableId:X8}");
return(0.0f);
}
AttackHeight = maneuver.AttackHeight;
// select random body part @ current attack height
var bodyPart = BodyParts.GetBodyPart(AttackHeight.Value);
DoSwingMotion(AttackTarget, maneuver, out float animLength);
PhysicsObj.stick_to_object(AttackTarget.PhysicsObj.ID);
var actionChain = new ActionChain();
actionChain.AddDelaySeconds(animLength / 3.0f); // TODO: get attack frame?
actionChain.AddAction(this, () =>
{
if (AttackTarget == null)
{
return;
}
var critical = false;
var damageType = DamageType.Undef;
var shieldMod = 1.0f;
var damage = CalculateDamage(ref damageType, maneuver, bodyPart, ref critical, ref shieldMod);
var player = AttackTarget as Player;
if (damage > 0.0f)
{
player.TakeDamage(this, damageType, damage, bodyPart, critical);
if (shieldMod != 1.0f)
{
var shieldSkill = player.GetCreatureSkill(Skill.Shield);
Proficiency.OnSuccessUse(player, shieldSkill, shieldSkill.Current); // ?
}
}
else
{
player.OnEvade(this, AttackType.Melee);
}
});
actionChain.EnqueueChain();
// TODO: figure out exact speed / delay formula
var meleeDelay = Physics.Common.Random.RollDice(MeleeDelayMin, MeleeDelayMax);
NextAttackTime = Timers.RunningTime + animLength + meleeDelay;;
return(animLength);
}
public float CalculateDamage(WorldObject target, WorldObject damageSource, ref bool criticalHit, ref bool sneakAttack)
{
var creature = target as Creature;
// evasion chance
var evadeChance = GetEvadeChance(target);
if (Physics.Common.Random.RollDice(0.0f, 1.0f) < evadeChance)
{
return(0.0f);
}
// get weapon base damage
var baseDamageRange = GetBaseDamage();
var baseDamage = Physics.Common.Random.RollDice(baseDamageRange.Min, baseDamageRange.Max);
// get damage mods
var attackType = GetAttackType();
var attributeMod = GetAttributeMod(attackType);
var powerAccuracyMod = GetPowerAccuracyMod();
var recklessnessMod = GetRecklessnessMod(this, creature);
var sneakAttackMod = GetSneakAttackMod(target);
sneakAttack = sneakAttackMod > 1.0f;
var damageRatingMod = AdditiveCombine(recklessnessMod, sneakAttackMod, GetRatingMod(EnchantmentManager.GetDamageRating()));
//Console.WriteLine("Damage rating: " + ModToRating(damageRatingMod));
var damage = baseDamage * attributeMod * powerAccuracyMod * damageRatingMod;
// critical hit
var critical = GetWeaponPhysicalCritFrequencyModifier(this);
if (Physics.Common.Random.RollDice(0.0f, 1.0f) < critical)
{
damage = baseDamageRange.Max * attributeMod * powerAccuracyMod * sneakAttackMod * (2.0f + GetWeaponCritMultiplierModifier(this));
criticalHit = true;
}
// get random body part @ attack height
var bodyPart = BodyParts.GetBodyPart(target, AttackHeight.Value);
if (bodyPart == null)
{
return(0.0f);
}
var creaturePart = new Creature_BodyPart(creature, bodyPart);
// get target armor
var armor = creaturePart.BaseArmorMod;
// get target resistance
DamageType damageType;
if (damageSource?.ItemType == ItemType.MissileWeapon)
{
damageType = (DamageType)damageSource.GetProperty(PropertyInt.DamageType);
}
else
{
damageType = GetDamageType();
}
creaturePart.WeaponResistanceMod = GetWeaponResistanceModifier(this, damageType);
var resistance = GetResistance(creaturePart, damageType);
// ratings
var damageResistRatingMod = GetNegativeRatingMod(creature.EnchantmentManager.GetDamageResistRating());
//Console.WriteLine("Damage resistance rating: " + NegativeModToRating(damageResistRatingMod));
// scale damage for armor and shield
var armorMod = SkillFormula.CalcArmorMod(resistance);
var shieldMod = creature.GetShieldMod(this, damageType);
var slayerMod = GetWeaponCreatureSlayerModifier(this, target as Creature);
var elementalDamageMod = GetMissileElementalDamageModifier(this, target as Creature, damageType);
return((damage + elementalDamageMod) * armorMod * shieldMod * slayerMod * damageResistRatingMod);
}
/// <summary>
/// Calculates the creature damage for a physical monster attack
/// </summary>
public float?CalculateDamagePVP(WorldObject target, WorldObject damageSource, DamageType damageType, ref bool criticalHit, ref bool sneakAttack, ref BodyPart bodyPart)
{
// verify target player killer
var targetPlayer = target as Player;
if (targetPlayer == null)
{
return(null);
}
// check lifestone protection
if (targetPlayer.UnderLifestoneProtection)
{
targetPlayer.HandleLifestoneProtection();
return(null);
}
// evasion chance
var evadeChance = GetEvadeChance(target);
if (ThreadSafeRandom.Next(0.0f, 1.0f) < evadeChance)
{
return(null);
}
// get base damage
var baseDamageRange = GetBaseDamage();
var baseDamage = ThreadSafeRandom.Next(baseDamageRange.Min, baseDamageRange.Max);
// get damage mods
var attackType = GetAttackType();
var attributeMod = GetAttributeMod(attackType);
var powerAccuracyMod = GetPowerAccuracyMod();
var recklessnessMod = GetRecklessnessMod(this, targetPlayer);
var sneakAttackMod = GetSneakAttackMod(target);
sneakAttack = sneakAttackMod > 1.0f;
var damageRatingMod = AdditiveCombine(recklessnessMod, sneakAttackMod, GetRatingMod(EnchantmentManager.GetDamageRating()));
//Console.WriteLine("Damage rating: " + ModToRating(damageRatingMod));
var damage = baseDamage * attributeMod * powerAccuracyMod * damageRatingMod;
// critical hit
var attackSkill = GetCreatureSkill(GetCurrentWeaponSkill());
var critical = GetWeaponPhysicalCritFrequencyModifier(this, attackSkill);
if (ThreadSafeRandom.Next(0.0f, 1.0f) < critical)
{
damage = baseDamageRange.Max * attributeMod * powerAccuracyMod * sneakAttackMod * (1.0f + GetWeaponCritMultiplierModifier(this, attackSkill));
criticalHit = true;
}
// select random body part @ current attack height
bodyPart = BodyParts.GetBodyPart(AttackHeight.Value);
// get armor piece
var armor = GetArmor(bodyPart);
// get armor modifiers
var armorMod = GetArmorMod(armor, damageSource, damageType, attackSkill);
// get resistance modifiers (protect/vuln)
var resistanceMod = damageSource != null && damageSource.IgnoreMagicResist ? 1.0f : AttackTarget.EnchantmentManager.GetResistanceMod(damageType);
// weapon resistance mod?
var damageResistRatingMod = GetNegativeRatingMod(AttackTarget.EnchantmentManager.GetDamageResistRating());
// get shield modifier
var attackTarget = AttackTarget as Creature;
var shieldMod = attackTarget.GetShieldMod(this, damageType);
var slayerMod = GetWeaponCreatureSlayerModifier(this, target as Creature);
var elementalDamageMod = GetMissileElementalDamageModifier(this, target as Creature, damageType);
// scale damage by modifiers
var outDamage = (damage + elementalDamageMod) * armorMod * shieldMod * slayerMod * resistanceMod * damageResistRatingMod;
return(outDamage);
}
public float?CalculateDamage(WorldObject target, WorldObject damageSource, ref bool criticalHit, ref bool sneakAttack)
{
var creature = target as Creature;
// evasion chance
var evadeChance = GetEvadeChance(target);
if (ThreadSafeRandom.Next(0.0f, 1.0f) < evadeChance)
{
return(null);
}
// get weapon base damage
var weapon = GetEquippedWeapon();
var baseDamageRange = GetBaseDamage();
var baseDamage = ThreadSafeRandom.Next(baseDamageRange.Min, baseDamageRange.Max);
// get damage mods
var attackType = GetCombatType();
var attributeMod = GetAttributeMod(weapon);
var powerAccuracyMod = GetPowerMod(weapon);
var recklessnessMod = GetRecklessnessMod(this, creature);
var sneakAttackMod = GetSneakAttackMod(target);
sneakAttack = sneakAttackMod > 1.0f;
// heritage damge mod
var heritageMod = GetHeritageBonus(weapon) ? 1.05f : 1.0f;
var damageRatingMod = AdditiveCombine(recklessnessMod, sneakAttackMod, heritageMod, GetRatingMod(EnchantmentManager.GetDamageRating()));
//Console.WriteLine("Damage rating: " + ModToRating(damageRatingMod));
var damage = baseDamage * attributeMod * powerAccuracyMod * damageRatingMod;
// critical hit
var attackSkill = GetCreatureSkill(GetCurrentWeaponSkill());
var critical = GetWeaponCritChanceModifier(this, attackSkill);
if (ThreadSafeRandom.Next(0.0f, 1.0f) < critical)
{
var criticalDamageMod = 1.0f + GetWeaponCritDamageMod(this, attackSkill);
damage = baseDamageRange.Max * attributeMod * powerAccuracyMod * sneakAttackMod * criticalDamageMod;
criticalHit = true;
}
// get random body part @ attack height
var bodyPart = BodyParts.GetBodyPart(target, AttackHeight.Value);
if (bodyPart == null)
{
return(null);
}
var creaturePart = new Creature_BodyPart(creature, bodyPart, damageSource != null ? damageSource.IgnoreMagicArmor : false, damageSource != null ? damageSource.IgnoreMagicResist : false);
if (weapon != null && weapon.HasImbuedEffect(ImbuedEffectType.ArmorRending))
{
creaturePart.WeaponArmorMod = GetArmorRendingMod(attackSkill);
}
// get target armor
var armor = creaturePart.BaseArmorMod;
// get target resistance
DamageType damageType;
if (damageSource?.ItemType == ItemType.MissileWeapon)
{
damageType = (DamageType)damageSource.GetProperty(PropertyInt.DamageType);
}
else
{
damageType = GetDamageType();
}
creaturePart.WeaponResistanceMod = GetWeaponResistanceModifier(this, attackSkill, damageType);
var resistance = GetResistance(creaturePart, damageType);
// ratings
var damageResistRatingMod = GetNegativeRatingMod(creature.EnchantmentManager.GetDamageResistRating());
//Console.WriteLine("Damage resistance rating: " + NegativeModToRating(damageResistRatingMod));
// scale damage for armor and shield
var armorMod = SkillFormula.CalcArmorMod(resistance);
var shieldMod = creature.GetShieldMod(this, damageType);
var slayerMod = GetWeaponCreatureSlayerModifier(this, target as Creature);
var elementalDamageMod = GetMissileElementalDamageModifier(this, target as Creature, damageType);
return((damage + elementalDamageMod) * armorMod * shieldMod * slayerMod * damageResistRatingMod);
}
/// <summary>
/// Calculates the creature damage for a physical monster attack
/// </summary>
public float?CalculateDamagePVP(WorldObject target, WorldObject damageSource, DamageType damageType, ref bool criticalHit, ref bool sneakAttack, ref BodyPart bodyPart)
{
// verify target player killer
var targetPlayer = target as Player;
if (targetPlayer == null)
{
return(null);
}
// check lifestone protection
if (targetPlayer.UnderLifestoneProtection)
{
targetPlayer.HandleLifestoneProtection();
return(null);
}
// evasion chance
var evadeChance = GetEvadeChance(target);
if (ThreadSafeRandom.Next(0.0f, 1.0f) < evadeChance)
{
return(null);
}
// get base damage
var weapon = GetEquippedWeapon();
var baseDamageRange = GetBaseDamage();
var baseDamage = ThreadSafeRandom.Next(baseDamageRange.Min, baseDamageRange.Max);
// get damage mods
var attackType = GetCombatType();
var attributeMod = GetAttributeMod(weapon);
var powerMod = GetPowerMod(weapon);
var recklessnessMod = GetRecklessnessMod(this, targetPlayer);
var sneakAttackMod = GetSneakAttackMod(target);
sneakAttack = sneakAttackMod > 1.0f;
// heritage damge mod
var heritageMod = GetHeritageBonus(weapon) ? 1.05f : 1.0f;
var damageRatingMod = AdditiveCombine(heritageMod, recklessnessMod, sneakAttackMod, GetRatingMod(EnchantmentManager.GetDamageRating()), GetNegativeRatingMod(target.EnchantmentManager.GetDamageResistRating()));
//Console.WriteLine("Damage rating: " + ModToRating(damageRatingMod));
var damage = baseDamage * attributeMod * powerMod * damageRatingMod;
// critical hit
var attackSkill = GetCreatureSkill(GetCurrentWeaponSkill());
var critical = GetWeaponCritChanceModifier(this, attackSkill);
if (ThreadSafeRandom.Next(0.0f, 1.0f) < critical)
{
if (targetPlayer != null && targetPlayer.AugmentationCriticalDefense > 0)
{
var protChance = targetPlayer.AugmentationCriticalDefense * 0.05f;
if (ThreadSafeRandom.Next(0.0f, 1.0f) > protChance)
{
criticalHit = true;
}
}
else
{
criticalHit = true;
}
}
if (criticalHit)
{
// not effective for criticals: recklessness
damageRatingMod = AdditiveCombine(heritageMod, sneakAttackMod, GetRatingMod(EnchantmentManager.GetDamageRating()), GetNegativeRatingMod(target.EnchantmentManager.GetDamageResistRating()));
damage = baseDamageRange.Max * attributeMod * powerMod * damageRatingMod * (1.0f + GetWeaponCritDamageMod(this, attackSkill));
}
// get armor rending mod here?
var armorRendingMod = 1.0f;
if (weapon != null && weapon.HasImbuedEffect(ImbuedEffectType.ArmorRending))
{
armorRendingMod = GetArmorRendingMod(attackSkill);
}
// select random body part @ current attack height
bodyPart = BodyParts.GetBodyPart(AttackHeight.Value);
// get armor piece
var armor = GetArmorLayers(bodyPart);
// get armor modifiers
var armorMod = GetArmorMod(damageType, armor, damageSource, armorRendingMod);
// get resistance modifiers (protect/vuln)
var resistanceMod = damageSource != null && damageSource.IgnoreMagicResist ? 1.0f : AttackTarget.EnchantmentManager.GetResistanceMod(damageType);
// weapon resistance mod?
var damageResistRatingMod = GetNegativeRatingMod(AttackTarget.EnchantmentManager.GetDamageResistRating());
// get shield modifier
var attackTarget = AttackTarget as Creature;
var shieldMod = attackTarget.GetShieldMod(this, damageType);
var slayerMod = GetWeaponCreatureSlayerModifier(this, target as Creature);
var elementalDamageMod = GetMissileElementalDamageModifier(this, target as Creature, damageType);
// scale damage by modifiers
var outDamage = (damage + elementalDamageMod) * armorMod * shieldMod * slayerMod * resistanceMod * damageResistRatingMod;
return(outDamage);
}