Core/Spells: implemented 'Weakened Spirit' mechanic in Valithria Dreamwalker

- Debuff used to prevent multiple priests chaining 40% heal buff (Guardian Spirit)

(cherry picked from commit 7d118f05baf9c9e4d7c13987e1530988c9a6a921)

1 files changed, 30 insertions, 0 deletions

diff --git a/src/server/scripts/Northrend/IcecrownCitadel/boss_valithria_dreamwalker.cpp b/src/server/scripts/Northrend/IcecrownCitadel/boss_valithria_dreamwalker.cpp
index baec83a7608..55c0487bfdd 100644
--- a/src/server/scripts/Northrend/IcecrownCitadel/boss_valithria_dreamwalker.cpp
+++ b/src/server/scripts/Northrend/IcecrownCitadel/boss_valithria_dreamwalker.cpp
@@ -60,6 +60,7 @@ enum Spells
     SPELL_CLEAR_ALL                     = 71721,
     SPELL_AWARD_REPUTATION_BOSS_KILL    = 73843,
     SPELL_CORRUPTION_VALITHRIA          = 70904,
+    SPELL_WEAKENED_SOUL                 = 72232,
 
     // The Lich King
     SPELL_TIMER_GLUTTONOUS_ABOMINATION  = 70915,
@@ -1477,6 +1478,34 @@ class spell_dreamwalker_twisted_nightmares : public SpellScriptLoader
         }
 };
 
+// 47788 - Guardian Spirit
+class spell_dreamwalker_guardian_spirit_restriction : public SpellScript
+{
+    PrepareSpellScript(spell_dreamwalker_guardian_spirit_restriction);
+
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_WEAKENED_SOUL });
+    }
+
+    bool Load() override
+    {
+        return InstanceHasScript(GetCaster(), ICCScriptName);
+    }
+
+    SpellCastResult SkipWithWeakenedSoul()
+    {
+        if (!GetExplTargetUnit() || GetExplTargetUnit()->HasAura(SPELL_WEAKENED_SOUL))
+            return SPELL_FAILED_TARGET_AURASTATE;
+        return SPELL_CAST_OK;
+    }
+
+    void Register() override
+    {
+        OnCheckCast += SpellCheckCastFn(spell_dreamwalker_guardian_spirit_restriction::SkipWithWeakenedSoul);
+    }
+};
+
 class achievement_portal_jockey : public AchievementCriteriaScript
 {
     public:
@@ -1509,5 +1538,6 @@ void AddSC_boss_valithria_dreamwalker()
     new spell_dreamwalker_summon_nightmare_portal();
     new spell_dreamwalker_nightmare_cloud();
     new spell_dreamwalker_twisted_nightmares();
+    RegisterSpellScript(spell_dreamwalker_guardian_spirit_restriction);
     new achievement_portal_jockey();
 }