/// <summary>
/// Checks whether the given spell can be casted by the casting Unit.
/// Does not do range checks.
/// </summary>
public SpellFailedReason CheckCasterConstraints(Unit caster)
{
// check for combat
if (caster.IsInCombat && RequiresCasterOutOfCombat)
{
return(SpellFailedReason.AffectingCombat);
}
if (!caster.CanDoHarm && HasHarmfulEffects)
{
return(SpellFailedReason.Pacified);
}
// Not while silenced
if (InterruptFlags.HasFlag(InterruptFlags.OnSilence) && caster.IsUnderInfluenceOf(SpellMechanic.Silenced) && caster.Class == ClassId.AtackMage && caster.Class == ClassId.SupportMage && caster.Class == ClassId.HealMage)
{
return(SpellFailedReason.Silenced);
}
// Check if castable while stunned
if (!AttributesExD.HasFlag(SpellAttributesExD.UsableWhileStunned) && !caster.CanInteract)
{
return(SpellFailedReason.CantDoThatRightNow);
}
// Not while silenced
else if (!caster.CanCastSpells &&
(!IsPhysicalAbility ||
(InterruptFlags.HasFlag(InterruptFlags.OnSilence) &&
caster.IsUnderInfluenceOf(SpellMechanic.Silenced))) && caster.Class == ClassId.AtackMage && caster.Class == ClassId.SupportMage && caster.Class == ClassId.HealMage)
{
return(SpellFailedReason.Silenced);
}
// cannot use physical ability or not do harm at all
else if ((!caster.CanDoPhysicalActivity && IsPhysicalAbility) ||
(!caster.CanDoHarm && HasHarmfulEffects))
{
return(SpellFailedReason.Pacified);
}
else if (!AttributesExD.HasFlag(SpellAttributesExD.UsableWhileStunned) && !caster.CanInteract)
{
return(SpellFailedReason.Stunned);
}
// Combo points
else if (IsFinishingMove && caster.ComboPoints == 0)
{
return(SpellFailedReason.NoComboPoints);
}
// AuraStates
if (RequiredCasterAuraState != 0 || ExcludeCasterAuraState != 0)
{
// check AuraStates
var state = caster.AuraState;
if ((RequiredCasterAuraState != 0 && !state.HasAnyFlag(RequiredCasterAuraState)) ||
(ExcludeCasterAuraState != 0 && state.HasAnyFlag(ExcludeCasterAuraState)))
{
return(SpellFailedReason.CasterAurastate);
}
}
// Required Auras
if ((ExcludeCasterAuraId != 0 && caster.Auras.Contains(ExcludeCasterAuraId)) ||
(RequiredCasterAuraId != 0 && !caster.Auras.Contains(RequiredCasterAuraId)))
{
return(SpellFailedReason.CasterAurastate);
}
var spells = caster.Spells;
// check cooldown and power cost
if (spells != null && caster.CastingTill > System.DateTime.Now && !spells.IsReady(this))
{
return(SpellFailedReason.NotReady);
}
if (caster is NPC && caster.Target != null && Range.MaxDist < caster.GetDistance(caster.Target))
{
return(SpellFailedReason.OutOfRange);
}
if (!IsPassive)
{
if (!caster.HasEnoughPowerToCast(this, null))
{
return(SpellFailedReason.NoPower);
}
}
return(SpellFailedReason.Ok);
}
/// <summary>
/// Checks whether the given spell can be casted by the casting Unit.
/// Does not do range checks.
/// </summary>
public SpellFailedReason CheckCasterConstraints(Unit caster)
{
// check for combat
if (caster.IsInCombat && RequiresCasterOutOfCombat)
{
return(SpellFailedReason.AffectingCombat);
}
// Power Type
if (CostsPower &&
PowerType != caster.PowerType &&
PowerType != PowerType.Health &&
!AttributesExB.HasFlag(SpellAttributesExB.DoesNotNeedShapeshift))
{
return(SpellFailedReason.OnlyShapeshift);
}
if (!caster.CanDoHarm && HasHarmfulEffects)
{
return(SpellFailedReason.Pacified);
}
// Not while silenced
if (InterruptFlags.HasFlag(InterruptFlags.OnSilence) && caster.IsUnderInfluenceOf(SpellMechanic.Silenced))
{
return(SpellFailedReason.Silenced);
}
// Check if castable while stunned
if (!AttributesExD.HasFlag(SpellAttributesExD.UsableWhileStunned) && !caster.CanInteract)
{
return(SpellFailedReason.CantDoThatRightNow);
}
// Combo points
if (IsFinishingMove && caster.ComboPoints == 0)
{
return(SpellFailedReason.NoComboPoints);
}
// spell focus
if (!CheckSpellFocus(caster))
{
return(SpellFailedReason.RequiresSpellFocus);
}
// Not while silenced
else if (!caster.CanCastSpells &&
(!IsPhysicalAbility ||
(InterruptFlags.HasFlag(InterruptFlags.OnSilence) &&
caster.IsUnderInfluenceOf(SpellMechanic.Silenced))))
{
return(SpellFailedReason.Silenced);
}
// cannot use physical ability or not do harm at all
else if ((!caster.CanDoPhysicalActivity && IsPhysicalAbility) ||
(!caster.CanDoHarm && HasHarmfulEffects))
{
return(SpellFailedReason.Pacified);
}
else if (!AttributesExD.HasFlag(SpellAttributesExD.UsableWhileStunned) && !caster.CanInteract)
{
return(SpellFailedReason.Stunned);
}
// Combo points
else if (IsFinishingMove && caster.ComboPoints == 0)
{
return(SpellFailedReason.NoComboPoints);
}
// AuraStates
if (RequiredCasterAuraState != 0 || ExcludeCasterAuraState != 0)
{
// check AuraStates
var state = caster.AuraState;
if ((RequiredCasterAuraState != 0 && !state.HasAnyFlag(RequiredCasterAuraState)) ||
(ExcludeCasterAuraState != 0 && state.HasAnyFlag(ExcludeCasterAuraState)))
{
return(SpellFailedReason.CasterAurastate);
}
}
// Required Auras
if ((ExcludeCasterAuraId != 0 && caster.Auras.Contains(ExcludeCasterAuraId)) ||
(RequiredCasterAuraId != 0 && !caster.Auras.Contains(RequiredCasterAuraId)))
{
return(SpellFailedReason.CasterAurastate);
}
// Shapeshift
var shapeshiftMask = caster.ShapeshiftMask;
bool ignoreShapeshiftRequirement = false; // use this to allow for lazy requirement lookup
if (ExcludeShapeshiftMask.HasAnyFlag(shapeshiftMask))
{
if (!(ignoreShapeshiftRequirement = caster.Auras.IsShapeshiftRequirementIgnored(this)))
{
return(SpellFailedReason.NotShapeshift);
}
}
else if (!RequiredShapeshiftMask.HasAnyFlag(shapeshiftMask))
{
// our mask did not pass -> do the default checks
var shapeshiftEntry = caster.ShapeshiftEntry;
var shapeshifted = shapeshiftEntry != null && (shapeshiftEntry.Flags & ShapeshiftInfoFlags.NotActualShapeshift) == 0;
if (shapeshifted)
{
if (RequiredShapeshiftMask != 0)
{
// When shapeshifted, can only use spells that allow this form
if (!(ignoreShapeshiftRequirement = caster.Auras.IsShapeshiftRequirementIgnored(this)))
{
return(SpellFailedReason.OnlyShapeshift);
}
}
else if (Attributes.HasAnyFlag(SpellAttributes.NotWhileShapeshifted))
{
if (!(ignoreShapeshiftRequirement = caster.Auras.IsShapeshiftRequirementIgnored(this)))
{
// cannot cast this spell when shapeshifted
return(SpellFailedReason.NotShapeshift);
}
}
}
if (Attributes.HasFlag(SpellAttributes.RequiresStealth) && caster.Stealthed < 1)
{
if (!caster.Auras.IsShapeshiftRequirementIgnored(this))
{
// Stealth Required, but not stealthed and not ignored by a SPELL_AURA_MOD_IGNORE_SHAPESHIFT aura
return(SpellFailedReason.OnlyStealthed);
}
}
}
var spells = caster.Spells as PlayerSpellCollection;
// check cooldown and power cost
if (spells != null && !spells.IsReady(this))
{
return(SpellFailedReason.NotReady);
}
if (!IsPassive)
{
if (!caster.HasEnoughPowerToCast(this, null))
{
return(SpellFailedReason.NoPower);
}
}
return(SpellFailedReason.Ok);
}
