Scripts/Spells: Script 'Hate To' spells (#28129)

(cherry picked from commit d06842d42a0c140e76571fa30131a950be6d5faa)

1 files changed, 81 insertions, 0 deletions

diff --git a/src/server/scripts/Spells/spell_generic.cpp b/src/server/scripts/Spells/spell_generic.cpp
index 999e3282d8d..76ae0bfe3ad 100644
--- a/src/server/scripts/Spells/spell_generic.cpp
+++ b/src/server/scripts/Spells/spell_generic.cpp
@@ -2058,6 +2058,83 @@ class spell_gen_gryphon_wyvern_mount_check : public AuraScript
     }
 };
 
+/* 9204 - Hate to Zero (Melee)
+  20538 - Hate to Zero (AoE)
+  26569 - Hate to Zero (AoE)
+  26637 - Hate to Zero (AoE, Unique)
+  37326 - Hate to Zero (AoE)
+  40410 - Hate to Zero (Should be added, AoE)
+  40467 - Hate to Zero (Should be added, AoE)
+  41582 - Hate to Zero (Should be added, Melee) */
+class spell_gen_hate_to_zero : public SpellScript
+{
+    PrepareSpellScript(spell_gen_hate_to_zero);
+
+    void HandleDummy(SpellEffIndex /*effIndex*/)
+    {
+        if (GetCaster()->CanHaveThreatList())
+            GetCaster()->GetThreatManager().ModifyThreatByPercent(GetHitUnit(), -100);
+    }
+
+    void Register() override
+    {
+        OnEffectHitTarget += SpellEffectFn(spell_gen_hate_to_zero::HandleDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
+    }
+};
+
+// This spell is used by both player and creature, but currently works only if used by player
+// 63984 - Hate to Zero
+class spell_gen_hate_to_zero_caster_target : public SpellScript
+{
+    PrepareSpellScript(spell_gen_hate_to_zero_caster_target);
+
+    void HandleDummy(SpellEffIndex /*effIndex*/)
+    {
+        if (Unit* target = GetHitUnit())
+            if (target->CanHaveThreatList())
+                target->GetThreatManager().ModifyThreatByPercent(GetCaster(), -100);
+    }
+
+    void Register() override
+    {
+        OnEffectHitTarget += SpellEffectFn(spell_gen_hate_to_zero_caster_target::HandleDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
+    }
+};
+
+// 19707 - Hate to 50%
+class spell_gen_hate_to_50 : public SpellScript
+{
+    PrepareSpellScript(spell_gen_hate_to_50);
+
+    void HandleDummy(SpellEffIndex /*effIndex*/)
+    {
+        if (GetCaster()->CanHaveThreatList())
+            GetCaster()->GetThreatManager().ModifyThreatByPercent(GetHitUnit(), -50);
+    }
+
+    void Register() override
+    {
+        OnEffectHitTarget += SpellEffectFn(spell_gen_hate_to_50::HandleDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
+    }
+};
+
+// 26886 - Hate to 75%
+class spell_gen_hate_to_75 : public SpellScript
+{
+    PrepareSpellScript(spell_gen_hate_to_75);
+
+    void HandleDummy(SpellEffIndex /*effIndex*/)
+    {
+        if (GetCaster()->CanHaveThreatList())
+            GetCaster()->GetThreatManager().ModifyThreatByPercent(GetHitUnit(), -25);
+    }
+
+    void Register() override
+    {
+        OnEffectHitTarget += SpellEffectFn(spell_gen_hate_to_75::HandleDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
+    }
+};
+
 enum Interrupt
 {
     SPELL_GEN_THROW_INTERRUPT           = 32747
@@ -5094,6 +5171,10 @@ void AddSC_generic_spell_scripts()
     RegisterSpellScript(spell_gen_gift_of_naaru);
     RegisterSpellScript(spell_gen_gnomish_transporter);
     RegisterSpellScript(spell_gen_gryphon_wyvern_mount_check);
+    RegisterSpellScript(spell_gen_hate_to_zero);
+    RegisterSpellScript(spell_gen_hate_to_zero_caster_target);
+    RegisterSpellScript(spell_gen_hate_to_50);
+    RegisterSpellScript(spell_gen_hate_to_75);
     RegisterSpellScriptWithArgs(spell_gen_increase_stats_buff, "spell_pal_blessing_of_kings");
     RegisterSpellScriptWithArgs(spell_gen_increase_stats_buff, "spell_pal_blessing_of_might");
     RegisterSpellScriptWithArgs(spell_gen_increase_stats_buff, "spell_dru_mark_of_the_wild");