[fix] Interrupt reduction effects

[KAPATEJIb]

What bug does the patch fix? What features does the patch add?

Fixed interrupt reduction effects work, for example http://www.wowhead.com/?spell=20254

For which repository revision was the patch created?

9411

Is there a thread in the bug report section or at lighthouse? If yes, please add a link to the thread.

can't find any

Who has been writing this patch? Please include either forum user names or email addresses.

Me

diff --git a/src/game/SpellEffects.cpp b/src/game/SpellEffects.cpp
index 9346ad7..e2ff807 100644
--- a/src/game/SpellEffects.cpp
+++ b/src/game/SpellEffects.cpp
@@ -4972,7 +4972,7 @@ void Spell::EffectHealMaxHealth(SpellEffectIndex /*eff_idx*/)
    m_healing += heal;
}

-void Spell::EffectInterruptCast(SpellEffectIndex /*eff_idx*/)
+void Spell::EffectInterruptCast(SpellEffectIndex eff_idx)
{
    if(!unitTarget)
        return;
@@ -4989,7 +4989,7 @@ void Spell::EffectInterruptCast(SpellEffectIndex /*eff_idx*/)
            // check if we can interrupt spell
            if ((curSpellInfo->InterruptFlags & SPELL_INTERRUPT_FLAG_INTERRUPT) && curSpellInfo->PreventionType == SPELL_PREVENTION_TYPE_SILENCE )
            {
-                unitTarget->ProhibitSpellSchool(GetSpellSchoolMask(curSpellInfo), GetSpellDuration(m_spellInfo));
+                unitTarget->ProhibitSpellSchool(GetSpellSchoolMask(curSpellInfo), unitTarget->CalculateSpellDuration(m_spellInfo, eff_idx, unitTarget));
                unitTarget->InterruptSpell(CurrentSpellTypes(i),false);
            }
        }