/// <summary>
/// Handles skill usage.
/// </summary>
/// <param name="attacker"></param>
/// <param name="skill"></param>
/// <param name="targetEntityId"></param>
/// <returns></returns>
public override CombatSkillResult Use(Creature attacker, Skill skill, long targetEntityId)
{
// Check target
var target = attacker.Region.GetCreature(targetEntityId);
if (target == null)
return CombatSkillResult.InvalidTarget;
if (target.IsNotReadyToBeHit)
return CombatSkillResult.Okay;
if ((attacker.IsStunned || attacker.IsOnAttackDelay) && attacker.InterceptingSkillId == SkillId.None)
return CombatSkillResult.Okay;
// Check range
var attackerPosition = attacker.GetPosition();
var targetPosition = target.GetPosition();
if (!attacker.IgnoreAttackRange &&
(!attackerPosition.InRange(targetPosition, attacker.AttackRangeFor(target))))
{ return CombatSkillResult.OutOfRange; }
if (!attacker.IgnoreAttackRange &&
(attacker.Region.Collisions.Any(attackerPosition, targetPosition) // Check collisions between position
|| target.Conditions.Has(ConditionsA.Invisible))) // Check visiblility (GM)
{ return CombatSkillResult.Okay; }
attacker.IgnoreAttackRange = false;
// Against Normal Attack
Skill combatMastery = target.Skills.Get(SkillId.CombatMastery);
if (combatMastery != null && (target.Skills.ActiveSkill == null || target.Skills.ActiveSkill == combatMastery || target.Skills.IsReady(SkillId.FinalHit)) && target.IsInBattleStance && target.Target == attacker && target.AttemptingAttack && (!target.IsStunned || target.IsKnockedDown))
{
target.InterceptingSkillId = SkillId.Smash;
target.IgnoreAttackRange = true;
var skillHandler = ChannelServer.Instance.SkillManager.GetHandler<ICombatSkill>(combatMastery.Info.Id);
if (skillHandler == null)
{
Log.Error("Smash.Use: Target's skill handler not found for '{0}'.", combatMastery.Info.Id);
return CombatSkillResult.Okay;
}
skillHandler.Use(target, combatMastery, attacker.EntityId);
return CombatSkillResult.Okay;
}
// Against Windmill
//TODO: Change this into the new NPC client system when it comes out if needed.
Skill windmill = target.Skills.Get(SkillId.Windmill);
if (windmill != null && target.Skills.IsReady(SkillId.Windmill) && !target.IsPlayer && target.CanAttack(attacker))
{
target.InterceptingSkillId = SkillId.Smash;
var skillHandler = ChannelServer.Instance.SkillManager.GetHandler<IUseable>(windmill.Info.Id) as Windmill;
if (skillHandler == null)
{
Log.Error("Smash.Use: Target's skill handler not found for '{0}'.", windmill.Info.Id);
return CombatSkillResult.Okay;
}
skillHandler.Use(target, windmill);
return CombatSkillResult.Okay;
}
// Against Smash
Skill smash = target.Skills.Get(SkillId.Smash);
if (smash != null && target.Skills.IsReady(SkillId.Smash) && target.IsInBattleStance && target.Target == attacker && !target.IsStunned && attacker.CanAttack(target))
{
var attackerStunTime = CombatMastery.GetAttackerStun(attacker, attacker.RightHand, false);
var targetStunTime = CombatMastery.GetAttackerStun(target, target.Inventory.RightHand, false);
if ((target.LastKnockedBackBy == attacker && target.KnockDownTime > attacker.KnockDownTime &&
target.KnockDownTime.AddMilliseconds(targetStunTime) < DateTime.Now //If last knocked down within the time it takes for you to finish attacking.
|| attackerStunTime > targetStunTime &&
!Math2.Probability(((2725 - attackerStunTime) / 2500) * 100) //Probability in percentage that you will not lose. 2725 is 2500 (Slowest stun) + 225 (Fastest stun divided by two so that the fastest stun isn't 100%)
&& !(attacker.LastKnockedBackBy == target && attacker.KnockDownTime > target.KnockDownTime && attacker.KnockDownTime.AddMilliseconds(attackerStunTime) < DateTime.Now)))
{
if (target.CanAttack(attacker))
{
target.InterceptingSkillId = SkillId.Smash;
target.IgnoreAttackRange = true;
var skillHandler = ChannelServer.Instance.SkillManager.GetHandler<ICombatSkill>(smash.Info.Id);
if (skillHandler == null)
{
Log.Error("Smash.Use: Target's skill handler not found for '{0}'.", smash.Info.Id);
return CombatSkillResult.Okay;
}
skillHandler.Use(target, smash, attacker.EntityId);
return CombatSkillResult.Okay;
}
}
else
{
attacker.InterceptingSkillId = SkillId.Smash;
}
}
// Stop movement
attacker.StopMove();
target.StopMove();
target.IgnoreAttackRange = false;
// Counter
if (Counterattack.Handle(target, attacker))
return CombatSkillResult.Okay;
var weapon = attacker.RightHand;
ICollection<Creature> targets = null;
if (skill.Info.Rank >= SkillRank.R5 && weapon != null && weapon.Data.SplashRadius != 0 && weapon.Data.SplashAngle != 0 || weapon == null)
{
targets = attacker.GetTargetableCreaturesInCone(weapon != null ? (int)weapon.Data.SplashRadius : 200, weapon != null ? (int)weapon.Data.SplashAngle : 20);
foreach (var splashTarget in targets)
{
if (splashTarget != target)
{
// Counter
if (Counterattack.Handle(target, attacker))
return CombatSkillResult.Okay;
}
}
}
// Prepare combat actions
var aAction = new AttackerAction(CombatActionType.HardHit, attacker, skill.Info.Id, targetEntityId);
aAction.Set(AttackerOptions.Result | AttackerOptions.KnockBackHit2);
TargetAction tAction;
if (attacker.InterceptingSkillId == SkillId.Smash)
{
aAction.Options |= AttackerOptions.Result;
tAction = new TargetAction(CombatActionType.CounteredHit, target, attacker, SkillId.Smash);
}
else
{
tAction = new TargetAction(CombatActionType.TakeHit, target, attacker, skill.Info.Id);
}
tAction.Set(TargetOptions.Result | TargetOptions.Smash);
attacker.InterceptingSkillId = SkillId.None;
var cap = new CombatActionPack(attacker, skill.Info.Id, tAction, aAction);
// Calculate damage
var damage = this.GetDamage(attacker, skill);
var critChance = this.GetCritChance(attacker, target, skill);
// Critical Hit
CriticalHit.Handle(attacker, critChance, ref damage, tAction);
var maxDamage = damage; //Damage without Defense and Protection
// Subtract target def/prot
SkillHelper.HandleDefenseProtection(target, ref damage);
// Mana Shield
ManaShield.Handle(target, ref damage, tAction, maxDamage);
// Apply damage
target.TakeDamage(tAction.Damage = damage, attacker);
// Aggro
target.Aggro(attacker);
if (target.IsDead)
tAction.Set(TargetOptions.FinishingHit | TargetOptions.Finished);
// Set Stun/Knockback
attacker.Stun = aAction.Stun = StunTime;
target.Stun = tAction.Stun = StunTime;
target.Stability = Creature.MinStability;
// Set knockbacked position
attacker.Shove(target, KnockbackDistance);
// Response
Send.SkillUseStun(attacker, skill.Info.Id, AfterUseStun, 1);
// Update both weapons
SkillHelper.UpdateWeapon(attacker, target, attacker.RightHand, attacker.LeftHand);
var critSkill = attacker.Skills.Get(SkillId.CriticalHit);
if (skill.Info.Rank >= SkillRank.R5 && weapon != null && weapon.Data.SplashRadius != 0 && weapon.Data.SplashAngle != 0)
{
foreach (var splashTarget in targets)
{
if (splashTarget != target)
{
if (splashTarget.IsNotReadyToBeHit)
continue;
TargetAction tSplashAction = new TargetAction(CombatActionType.TakeHit, splashTarget, attacker, skill.Info.Id);
tSplashAction.Set(TargetOptions.Result | TargetOptions.Smash);
// Base damage
float damageSplash = this.GetDamage(attacker, skill);
attacker.CalculateSplashDamage(splashTarget, ref damageSplash, skill, critSkill, aAction, tAction, tSplashAction);
// Deal with it!
if (damageSplash > 0)
splashTarget.TakeDamage(tSplashAction.Damage = damageSplash, attacker);
// Alert
splashTarget.Aggro(attacker, true);
if (splashTarget.IsDead)
tSplashAction.Set(TargetOptions.FinishingHit | TargetOptions.Finished);
splashTarget.Stun = tSplashAction.Stun = StunTime;
splashTarget.Stability = Creature.MinStability;
// Set knockbacked position
attacker.Shove(splashTarget, KnockbackDistance);
cap.Add(tSplashAction);
}
}
}
// Action!
cap.Handle();
return CombatSkillResult.Okay;
}
/// <summary>
/// Handles attack.
/// </summary>
/// <param name="attacker">The creature attacking.</param>
/// <param name="skill">The skill being used.</param>
/// <param name="targetEntityId">The entity id of the target.</param>
/// <returns></returns>
public CombatSkillResult Use(Creature attacker, Skill skill, long targetEntityId)
{
var target = attacker.Region.GetCreature(targetEntityId);
if (target == null)
return CombatSkillResult.Okay;
if (target.IsNotReadyToBeHit)
return CombatSkillResult.Okay;
if ((attacker.IsStunned || attacker.IsOnAttackDelay) && attacker.InterceptingSkillId == SkillId.None)
return CombatSkillResult.Okay;
var attackerPosition = attacker.GetPosition();
var targetPosition = target.GetPosition();
if (!attacker.IgnoreAttackRange &&
(!attackerPosition.InRange(targetPosition, attacker.AttackRangeFor(target))))
{ return CombatSkillResult.OutOfRange; }
if (!attacker.IgnoreAttackRange &&
(attacker.Region.Collisions.Any(attackerPosition, targetPosition) // Check collisions between position
|| target.Conditions.Has(ConditionsA.Invisible))) // Check visiblility (GM)
{ return CombatSkillResult.Okay; }
attacker.IgnoreAttackRange = false;
//Against Smash
Skill smash = target.Skills.Get(SkillId.Smash);
if (smash != null && target.Skills.IsReady(SkillId.Smash) && attacker.CanAttack(target))
attacker.InterceptingSkillId = SkillId.Smash;
var rightWeapon = attacker.RightHand;
var leftWeapon = attacker.Inventory.LeftHand;
var dualWield = (rightWeapon != null && leftWeapon != null && leftWeapon.Data.WeaponType != 0 && (leftWeapon.HasTag("/weapon/edged/") || leftWeapon.HasTag("/weapon/blunt/")));
var staminaUsage = (rightWeapon != null && rightWeapon.Data.StaminaUsage != 0 ? rightWeapon.Data.StaminaUsage : 0.7f) + (dualWield ? leftWeapon.Data.StaminaUsage : 0f);
var lowStamina = false;
if (attacker.Stamina < staminaUsage)
{
lowStamina = true;
Send.Notice(attacker, Localization.Get("Your stamina is too low to attack properly!"));
}
attacker.Stamina -= staminaUsage;
Send.StatUpdate(attacker, StatUpdateType.Private, Stat.Stamina);
// Against Combat Mastery
Skill combatMastery = target.Skills.Get(SkillId.CombatMastery);
var simultaneousAttackStun = 0;
if (attacker.InterceptingSkillId != SkillId.CombatMastery && target.InterceptingSkillId != SkillId.CombatMastery)
{
if (combatMastery != null && (target.Skills.ActiveSkill == null || target.Skills.ActiveSkill == combatMastery || target.Skills.IsReady(SkillId.FinalHit)) && target.IsInBattleStance && target.Target == attacker && target.AttemptingAttack && (!target.IsStunned || target.IsKnockedDown) && attacker.CanAttack(target))
{
var attackerStunTime = CombatMastery.GetAttackerStun(attacker, attacker.RightHand, false);
var targetStunTime = CombatMastery.GetAttackerStun(target, target.Inventory.RightHand, false);
if ((target.LastKnockedBackBy == attacker && target.KnockDownTime > attacker.KnockDownTime &&
target.KnockDownTime.AddMilliseconds(targetStunTime) < DateTime.Now //If last knocked down within the time it takes for you to finish attacking.
|| attackerStunTime > targetStunTime &&
!Math2.Probability(((2725 - attackerStunTime) / 2500) * 100) //Probability in percentage that you will not lose. 2725 is 2500 (Slowest stun) + 225 (Fastest stun divided by two so that the fastest stun isn't 100%)
&& !(attacker.LastKnockedBackBy == target && attacker.KnockDownTime > target.KnockDownTime && attacker.KnockDownTime.AddMilliseconds(attackerStunTime) < DateTime.Now)))
{
if (target.CanAttack(attacker))
{
target.InterceptingSkillId = SkillId.CombatMastery;
target.IgnoreAttackRange = true;
var skillHandler = ChannelServer.Instance.SkillManager.GetHandler<ICombatSkill>(combatMastery.Info.Id);
if (skillHandler == null)
{
Log.Error("CombatMastery.Use: Target's skill handler not found for '{0}'.", combatMastery.Info.Id);
return CombatSkillResult.Okay;
}
skillHandler.Use(target, combatMastery, attacker.EntityId);
return CombatSkillResult.Okay;
}
}
else
{
if (Math2.Probability(((2725 - attackerStunTime) / 2500) * 100)) //Probability in percentage that it will be an interception instead of a double hit.
{
attacker.InterceptingSkillId = SkillId.CombatMastery;
}
else
{
attacker.InterceptingSkillId = SkillId.CombatMastery;
if (target.CanAttack(attacker))
{
target.InterceptingSkillId = SkillId.CombatMastery;
target.IgnoreAttackRange = true;
var skillHandler = ChannelServer.Instance.SkillManager.GetHandler<ICombatSkill>(combatMastery.Info.Id);
if (skillHandler == null)
{
Log.Error("CombatMastery.Use: Target's skill handler not found for '{0}'.", combatMastery.Info.Id);
}
else
{
skillHandler.Use(target, combatMastery, attacker.EntityId);
simultaneousAttackStun = attacker.Stun;
attacker.Stun = 0;
}
}
}
}
}
}
attacker.StopMove();
targetPosition = target.StopMove();
// Counter
if (Counterattack.Handle(target, attacker))
return CombatSkillResult.Okay;
ICollection<Creature> targets = null;
if (rightWeapon != null && rightWeapon.Data.SplashRadius != 0 && rightWeapon.Data.SplashAngle != 0 || rightWeapon == null)
{
targets = attacker.GetTargetableCreaturesInCone(rightWeapon != null ? (int)rightWeapon.Data.SplashRadius : 204, rightWeapon != null ? (int)rightWeapon.Data.SplashAngle : 60);
foreach (var splashTarget in targets)
{
if (splashTarget != target)
{
// Counter
if (Counterattack.Handle(target, attacker))
return CombatSkillResult.Okay;
}
}
}
var magazine = attacker.Inventory.Magazine;
var maxHits = (byte)(dualWield ? 2 : 1);
int prevId = 0;
var defenseStun = 0;
for (byte i = 1; i <= maxHits; ++i)
{
var weapon = (i == 1 ? rightWeapon : leftWeapon);
var weaponIsKnuckle = (weapon != null && weapon.Data.HasTag("/knuckle/"));
AttackerAction aAction;
TargetAction tAction;
if (attacker.InterceptingSkillId == SkillId.Smash)
{
aAction = new AttackerAction(CombatActionType.SimultaneousHit, attacker, SkillId.CombatMastery, target.EntityId);
aAction.Options |= AttackerOptions.Result;
tAction = new TargetAction(CombatActionType.CounteredHit, target, attacker, SkillId.Smash);
tAction.Options |= TargetOptions.Result;
}
else if (attacker.InterceptingSkillId == SkillId.CombatMastery)
{
aAction = new AttackerAction(CombatActionType.SimultaneousHit, attacker, SkillId.CombatMastery, target.EntityId);
aAction.Options |= AttackerOptions.Result;
tAction = new TargetAction(CombatActionType.CounteredHit, target, attacker, target.Skills.IsReady(SkillId.FinalHit) ? SkillId.FinalHit : SkillId.CombatMastery);
tAction.Options |= TargetOptions.Result;
}
else
{
aAction = new AttackerAction(CombatActionType.Hit, attacker, skill.Info.Id, targetEntityId);
tAction = new TargetAction(CombatActionType.TakeHit, target, attacker, target.Skills.IsReady(SkillId.FinalHit) ? SkillId.FinalHit : SkillId.CombatMastery);
aAction.Options |= AttackerOptions.Result;
tAction.Options |= TargetOptions.Result;
}
attacker.InterceptingSkillId = SkillId.None;
var cap = new CombatActionPack(attacker, skill.Info.Id, tAction, aAction);
cap.Hit = i;
cap.MaxHits = maxHits;
cap.PrevId = prevId;
prevId = cap.Id;
// Default attacker options
aAction.Set(AttackerOptions.Result);
if (dualWield)
aAction.Set(AttackerOptions.DualWield);
// Base damage
var damage = (i == 1 ? attacker.GetRndRightHandDamage() : attacker.GetRndLeftHandDamage());
if (lowStamina)
{
damage = attacker.GetRndBareHandDamage();
}
// Critical Hit
var critShieldReduction = (target.LeftHand != null ? target.LeftHand.Data.DefenseBonusCrit : 0);
var critChance = (i == 1 ? attacker.GetRightCritChance(target.Protection + critShieldReduction) : attacker.GetLeftCritChance(target.Protection + critShieldReduction));
CriticalHit.Handle(attacker, critChance, ref damage, tAction);
var maxDamage = damage; //Damage without Defense and Protection
// Subtract target def/prot
SkillHelper.HandleDefenseProtection(target, ref damage);
// Defense
var tActionOldType = tAction.Type;
Defense.Handle(aAction, tAction, ref damage);
if (i == 1 && tAction.Type == CombatActionType.Defended)
{
defenseStun = tAction.Stun;
}
// Mana Shield
ManaShield.Handle(target, ref damage, tAction, maxDamage);
// Deal with it!
if (damage > 0)
target.TakeDamage(tAction.Damage = damage, attacker);
if (tAction.Type == CombatActionType.Defended && target.Life <= 0)
{
tAction.Type = tActionOldType;
}
// Aggro
target.Aggro(attacker);
// Evaluate caused damage
if (!target.IsDead)
{
if (tAction.Type != CombatActionType.Defended)
{
if (!target.Skills.IsReady(SkillId.FinalHit))
{
target.Stability -= this.GetStabilityReduction(attacker, weapon) / maxHits;
// React normal for CombatMastery, knock down if
// FH and not dual wield, don't knock at all if dual.
if (skill.Info.Id != SkillId.FinalHit)
{
// Originally we thought you knock enemies back, unless it's a critical
// hit, but apparently you knock *down* under normal circumstances.
// More research to be done.
if (target.IsUnstable && target.Is(RaceStands.KnockBackable))
//tAction.Set(tAction.Has(TargetOptions.Critical) ? TargetOptions.KnockDown : TargetOptions.KnockBack);
tAction.Set(TargetOptions.KnockDown);
if (target.Life < 0)
tAction.Set(TargetOptions.KnockDown);
}
else if (!dualWield && !weaponIsKnuckle)
{
target.Stability = Creature.MinStability;
tAction.Set(TargetOptions.KnockDown);
}
}
}
}
else
{
tAction.Set(TargetOptions.FinishingKnockDown);
}
// React to knock back
if (tAction.IsKnockBack && tAction.Type != CombatActionType.Defended)
{
if (!target.Skills.IsReady(SkillId.FinalHit))
{
attacker.Shove(target, KnockBackDistance);
}
aAction.Set(AttackerOptions.KnockBackHit2);
// Remove dual wield option if last hit doesn't come from
// the second weapon.
if (cap.MaxHits != cap.Hit)
aAction.Options &= ~AttackerOptions.DualWield;
}
else if (tAction.Type == CombatActionType.Defended)
{
// Remove dual wield option if last hit doesn't come from
// the second weapon.
if (cap.MaxHits != cap.Hit)
aAction.Options &= ~AttackerOptions.DualWield;
}
// Set stun time
if (tAction.Type != CombatActionType.Defended)
{
if (simultaneousAttackStun == 0)
{
aAction.Stun = GetAttackerStun(attacker, weapon, tAction.IsKnockBack && ((skill.Info.Id != SkillId.FinalHit) && !target.IsDead || AuraData.FeaturesDb.IsEnabled("CombatSystemRenewal")));
}
else
{
aAction.Stun = (short)simultaneousAttackStun;
}
if (!target.Skills.IsReady(SkillId.FinalHit))
{
tAction.Stun = GetTargetStun(attacker, weapon, tAction.IsKnockBack);
}
if (target.IsDead && skill.Info.Id != SkillId.FinalHit)
{
attacker.AttackDelayTime = DateTime.Now.AddMilliseconds(GetAttackerStun(attacker, weapon, true));
}
}
// Second hit doubles stun time for normal hits
if (cap.Hit == 2 && !tAction.IsKnockBack)
aAction.Stun *= 2;
// Update current weapon
SkillHelper.UpdateWeapon(attacker, target, weapon);
var critSkill = attacker.Skills.Get(SkillId.CriticalHit);
if (weapon != null && weapon.Data.SplashRadius != 0 && weapon.Data.SplashAngle != 0)
{
foreach (var splashTarget in targets)
{
if (splashTarget != target)
{
if (splashTarget.IsNotReadyToBeHit)
continue;
TargetAction tSplashAction = new TargetAction(CombatActionType.TakeHit, splashTarget, attacker, skill.Info.Id);
// Base damage
float damageSplash;
if (lowStamina)
{
damageSplash = attacker.GetRndBareHandDamage();
}
else
{
damageSplash = (i == 1 ? attacker.GetRndRightHandDamage() : attacker.GetRndLeftHandDamage());
}
attacker.CalculateSplashDamage(splashTarget, ref damageSplash, skill, critSkill, aAction, tAction, tSplashAction, weapon);
// Deal with it!
if (damageSplash > 0)
splashTarget.TakeDamage(tSplashAction.Damage = damageSplash, attacker);
// Alert
splashTarget.Aggro(attacker, true);
// Evaluate caused damage
if (!splashTarget.IsDead)
{
if (tSplashAction.Type != CombatActionType.Defended)
{
if (!splashTarget.Skills.IsReady(SkillId.FinalHit))
{
splashTarget.Stability -= (this.GetStabilityReduction(attacker, weapon) / maxHits) / 2; //Less stability reduction for splash damage.
// React normal for CombatMastery, knock down if
// FH and not dual wield, don't knock at all if dual.
if (skill.Info.Id != SkillId.FinalHit)
{
// Originally we thought you knock enemies back, unless it's a critical
// hit, but apparently you knock *down* under normal circumstances.
// More research to be done.
if (splashTarget.IsUnstable && splashTarget.Is(RaceStands.KnockBackable))
//tSplashAction.Set(tSplashAction.Has(TargetOptions.Critical) ? TargetOptions.KnockDown : TargetOptions.KnockBack);
tSplashAction.Set(TargetOptions.KnockDown);
if (splashTarget.Life < 0)
tSplashAction.Set(TargetOptions.KnockDown);
}
else if (!dualWield && !weaponIsKnuckle)
{
splashTarget.Stability = Creature.MinStability;
tSplashAction.Set(TargetOptions.KnockDown);
}
}
}
}
else
{
tSplashAction.Set(TargetOptions.FinishingKnockDown);
}
// React to knock back
if (tSplashAction.IsKnockBack && tSplashAction.Type != CombatActionType.Defended)
{
if (!splashTarget.Skills.IsReady(SkillId.FinalHit))
{
attacker.Shove(splashTarget, KnockBackDistance);
}
}
// Set stun time
if (tSplashAction.Type != CombatActionType.Defended)
{
if (!splashTarget.Skills.IsReady(SkillId.FinalHit))
{
if (defenseStun != 0)
tSplashAction.Stun = (short)defenseStun;
else
tSplashAction.Stun = GetTargetStun(attacker, weapon, tSplashAction.IsKnockBack);
}
}
cap.Add(tSplashAction);
}
}
}
cap.Handle();
// No second hit if target was knocked back or defended.
if (tAction.IsKnockBack || tAction.Type == CombatActionType.Defended)
break;
}
attacker.AttemptingAttack = false;
return CombatSkillResult.Okay;
}