Registers a Spell event handler.

enum SpellEvents
{
    SPELL_EVENT_ON_CAST                             = 1,    // (event, spell, skipCheck)
    SPELL_EVENT_BEFORE_HIT                          = 2,    // (event, spell)
    SPELL_EVENT_HIT                                 = 3,    // (event, spell)
    SPELL_EVENT_AFTER_HIT                           = 4,    // (event, spell)
    SPELL_EVENT_CHECK_CAST                          = 5,    // (event, spell, initialCast) - Can return SpellCastResult
    SPELL_EVENT_BEFORE_CAST                         = 6,    // (event, spell)
    SPELL_EVENT_AFTER_CAST                          = 7,    // (event, spell)
    SPELL_EVENT_ON_INTERRUPT                        = 7,    // (event, spell)
    SPELL_EVENT_COUNT
};

Synopsis

cancel = RegisterSpellEvent( entry, event, function )

cancel = RegisterSpellEvent( entry, event, function, shots )

Arguments

number entry

Spell entry Id (Use negative entry Id for all spell ranks).

Valid numbers: integers from -2,147,483,647 to 2,147,483,647.

number event

Spell event Id, refer to SpellEvents above.

Valid numbers: integers from 0 to 4,294,967,295.

function function

Function to register.

number shots (0)

The number of times the function will be called, 0 means "always call this function".

Valid numbers: integers from 0 to 4,294,967,295.

Returns

function cancel

A function that cancels the binding when called.