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

(cherry picked from commit d06842d42a0c140e76571fa30131a950be6d5faa)

3 files changed, 96 insertions, 30 deletions

diff --git a/sql/updates/world/master/2022_09_05_22_world_2022_07_17_00_world.sql b/sql/updates/world/master/2022_09_05_22_world_2022_07_17_00_world.sql
new file mode 100644
index 00000000000..f40b8ec5f6e
--- /dev/null
+++ b/sql/updates/world/master/2022_09_05_22_world_2022_07_17_00_world.sql
@@ -0,0 +1,15 @@
+--
+UPDATE `spell_script_names` SET `ScriptName` = 'spell_gen_hate_to_zero_caster_target' WHERE `ScriptName` = 'spell_yogg_saron_hate_to_zero';
+
+DELETE FROM `spell_script_names` WHERE `ScriptName` IN (
+'spell_gen_hate_to_zero',
+'spell_gen_hate_to_50',
+'spell_gen_hate_to_75');
+INSERT INTO `spell_script_names` (`spell_id`,`ScriptName`) VALUES
+(9204,'spell_gen_hate_to_zero'),
+(20538,'spell_gen_hate_to_zero'),
+(26569,'spell_gen_hate_to_zero'),
+(26637,'spell_gen_hate_to_zero'),
+(37326,'spell_gen_hate_to_zero'),
+(19707,'spell_gen_hate_to_50'),
+(26886,'spell_gen_hate_to_75');
diff --git a/src/server/scripts/Northrend/Ulduar/Ulduar/boss_yogg_saron.cpp b/src/server/scripts/Northrend/Ulduar/Ulduar/boss_yogg_saron.cpp
index c2c22702231..03a61fee5ea 100644
--- a/src/server/scripts/Northrend/Ulduar/Ulduar/boss_yogg_saron.cpp
+++ b/src/server/scripts/Northrend/Ulduar/Ulduar/boss_yogg_saron.cpp
@@ -3075,35 +3075,6 @@ class spell_yogg_saron_keeper_aura : public SpellScriptLoader     // 62650, 6267
         }
 };
 
-// 63984 - Hate to Zero
-class spell_yogg_saron_hate_to_zero : public SpellScriptLoader    // 63984
-{
-    public:
-        spell_yogg_saron_hate_to_zero() : SpellScriptLoader("spell_yogg_saron_hate_to_zero") { }
-
-        class spell_yogg_saron_hate_to_zero_SpellScript : public SpellScript
-        {
-            PrepareSpellScript(spell_yogg_saron_hate_to_zero_SpellScript);
-
-            void HandleScript(SpellEffIndex /*effIndex*/)
-            {
-                if (Unit* target = GetHitUnit())
-                    if (target->CanHaveThreatList())
-                        target->GetThreatManager().ModifyThreatByPercent(GetCaster(), -100);
-            }
-
-            void Register() override
-            {
-                OnEffectHitTarget += SpellEffectFn(spell_yogg_saron_hate_to_zero_SpellScript::HandleScript, EFFECT_0, SPELL_EFFECT_DUMMY);
-            }
-        };
-
-        SpellScript* GetSpellScript() const override
-        {
-            return new spell_yogg_saron_hate_to_zero_SpellScript();
-        }
-};
-
 // 64184 - In the Maws of the Old God
 class spell_yogg_saron_in_the_maws_of_the_old_god : public SpellScriptLoader    // 64184
 {
@@ -3267,7 +3238,6 @@ void AddSC_boss_yogg_saron()
     new spell_yogg_saron_insane_periodic();
     new spell_yogg_saron_lunatic_gaze();
     new spell_yogg_saron_keeper_aura();
-    new spell_yogg_saron_hate_to_zero();
     new spell_yogg_saron_in_the_maws_of_the_old_god();
     new spell_yogg_saron_titanic_storm();
     new spell_yogg_saron_hodirs_protective_gaze();
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");