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Core/SpellScripts: Add BeforeCast, OnCast and AfterCast hooks to SpellScripts.

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This commit is contained in:
QAston
2011-12-31 13:10:13 +01:00
parent b65722a859
commit afc18461d7
6 changed files with 138 additions and 13 deletions
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38
src/server/scripts/Examples/example_spell.cpp
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@@ -76,6 +76,38 @@ class spell_ex_5581 : public SpellScriptLoader
delete localVariable2;
}
void HandleBeforeCast()
{
// this hook is executed before anything about casting the spell is done
// after this hook is executed all the machinery starts
sLog->outString("Caster just finished preparing the spell (cast bar has expired)");
}
void HandleOnCast()
{
// cast is validated and spell targets are selected at this moment
// this is a last place when the spell can be safely interrupted
sLog->outString("Spell is about to do take reagents, power, launch missile, do visuals and instant spell effects");
}
void HandleAfterCast()
{
sLog->outString("All immediate actions for the spell are finished now");
// this is a safe for triggering additional effects for a spell without interfering
// with visuals or with other effects of the spell
//GetCaster()->CastSpell(target, SPELL_TRIGGERED, true);
}
SpellCastResult CheckRequirement()
{
// in this hook you can add additional requirements for spell caster (and throw a client error if reqs're not passed)
// in this case we're disallowing to select non-player as a target of the spell
//if (!GetTargetUnit() || GetTargetUnit()->ToPlayer())
//return SPELL_FAILED_BAD_TARGETS;
return SPELL_CAST_OK;
}
void HandleDummyLaunch(SpellEffIndex /*effIndex*/)
{
sLog->outString("Spell %u with SPELL_EFFECT_DUMMY is just launched!", GetSpellInfo()->Id);
@@ -127,7 +159,11 @@ class spell_ex_5581 : public SpellScriptLoader
// register functions used in spell script - names of these functions do not matter
void Register()
{
// we're registering our function here
// we're registering our functions here
BeforeCast += SpellCastFn(spell_ex_5581SpellScript::HandleBeforeCast);
OnCast += SpellCastFn(spell_ex_5581SpellScript::HandleOnCast);
AfterCast += SpellCastFn(spell_ex_5581SpellScript::HandleAfterCast);
OnCheckCast += SpellCheckCastFn(spell_ex_5581SpellScript::CheckRequirement);
// function HandleDummy will be called when spell is launched, independant from targets selected for spell, just before default effect 0 launch handler
OnEffectLaunch += SpellEffectFn(spell_ex_5581SpellScript::HandleDummyLaunch, EFFECT_0, SPELL_EFFECT_DUMMY);
// function HandleDummy will be called when spell is launched at target, just before default effect 0 launch at target handler