fix(Core/SpellMgr): Add cooldown to some vehicle spells (#4300)

* fix(Core/SpellMgr): Add cooldown to some spells

* author and spellscript

Co-Authored-By: Wyrserth <43747507+Wyrserth@users.noreply.github.com>

data/sql/updates/pending_db_world/rev_1610824463901751500.sql

@@ -0,0 +1,18 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1610824463901751500');
+
+DELETE FROM `spell_script_names` WHERE `ScriptName`="spell_gen_charmed_unit_spell_cooldown";
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(37727, "spell_gen_charmed_unit_spell_cooldown"),
+(37851, "spell_gen_charmed_unit_spell_cooldown"),
+(37917, "spell_gen_charmed_unit_spell_cooldown"),
+(37918, "spell_gen_charmed_unit_spell_cooldown"),
+(37919, "spell_gen_charmed_unit_spell_cooldown"),
+(47911, "spell_gen_charmed_unit_spell_cooldown"),
+(48620, "spell_gen_charmed_unit_spell_cooldown"),
+(51748, "spell_gen_charmed_unit_spell_cooldown"),
+(51752, "spell_gen_charmed_unit_spell_cooldown"),
+(51756, "spell_gen_charmed_unit_spell_cooldown"),
+(54996, "spell_gen_charmed_unit_spell_cooldown"),
+(54997, "spell_gen_charmed_unit_spell_cooldown"),
+(56513, "spell_gen_charmed_unit_spell_cooldown"),
+(56524, "spell_gen_charmed_unit_spell_cooldown");

src/server/game/Spells/SpellMgr.cpp

@@ -6766,10 +6766,58 @@ void SpellMgr::LoadDbcDataCorrections()
         spellInfo->EffectBasePoints[0] = 1; // corrects seat id (points - 1 = seatId)
     });
 
-    // The Iron Colossus
+    // Jormungar Strike
-    ApplySpellFix({ 56513, 56524 }, [](SpellEntry* spellInfo)
+    ApplySpellFix({ 56513 }, [](SpellEntry* spellInfo)
     {
-        spellInfo->RecoveryTime = (spellInfo->Id == 56524 ? 6000 : 2000);
+        spellInfo->RecoveryTime = 2000;
+    });
+
+    ApplySpellFix({
+    37851, // Tag Greater Felfire Diemetradon
+    37918  // Arcano-pince
+        }, [](SpellEntry* spellInfo)
+    {
+        spellInfo->RecoveryTime = 3000;
+    });
+
+    ApplySpellFix({
+        54997, // Cast Net (tooltip says 10s but sniffs say 6s)
+        56524  // Acid Breath
+        }, [](SpellEntry* spellInfo)
+    {
+        spellInfo->RecoveryTime = 6000;
+    });
+
+    ApplySpellFix({
+        47911, // EMP
+        48620, // Wing Buffet
+        51752  // Stampy's Stompy-Stomp
+        }, [](SpellEntry* spellInfo)
+    {
+        spellInfo->RecoveryTime = 10000;
+    });
+
+    ApplySpellFix({
+        37727, // Touch of Darkness
+        54996  // Ice Slick (tooltip says 20s but sniffs say 12s)
+        }, [](SpellEntry* spellInfo)
+    {
+        spellInfo->RecoveryTime = 12000;
+    });
+
+    // Signal Helmet to Attack
+    ApplySpellFix({ 51748 }, [](SpellEntry* spellInfo)
+    {
+        spellInfo->RecoveryTime = 15000;
+    });
+
+    ApplySpellFix({
+        51756, // Charge
+        37919, //Arcano-dismantle
+        37917  //Arcano-Cloak
+        }, [](SpellEntry* spellInfo)
+    {
+        spellInfo->RecoveryTime = 20000;
     });
 
     // Kaw the Mammoth Destroyer

src/server/scripts/Spells/spell_generic.cpp

@@ -5043,6 +5043,39 @@ public:
     }
 };
 
+// Used for some spells cast by vehicles or charmed creatures that do not send a cooldown event on their own
+class spell_gen_charmed_unit_spell_cooldown : public SpellScriptLoader
+{
+public:
+    spell_gen_charmed_unit_spell_cooldown() : SpellScriptLoader("spell_gen_charmed_unit_spell_cooldown") { }
+
+    class spell_gen_charmed_unit_spell_cooldown_SpellScript : public SpellScript
+    {
+        PrepareSpellScript(spell_gen_charmed_unit_spell_cooldown_SpellScript);
+
+        void HandleCast()
+        {
+            Unit* caster = GetCaster();
+            if (Player* owner = caster->GetCharmerOrOwnerPlayerOrPlayerItself())
+            {
+                WorldPacket data;
+                caster->BuildCooldownPacket(data, SPELL_COOLDOWN_FLAG_NONE, GetSpellInfo()->Id, GetSpellInfo()->RecoveryTime);
+                owner->SendDirectMessage(&data);
+            }
+        }
+
+        void Register() override
+        {
+            OnCast += SpellCastFn(spell_gen_charmed_unit_spell_cooldown_SpellScript::HandleCast);
+        }
+    };
+
+    SpellScript* GetSpellScript() const override
+    {
+        return new spell_gen_charmed_unit_spell_cooldown_SpellScript();
+    }
+};
+
 void AddSC_generic_spell_scripts()
 {
     // ours:
@@ -5171,4 +5204,5 @@ void AddSC_generic_spell_scripts()
     new spell_gen_whisper_gulch_yogg_saron_whisper();
     new spell_gen_eject_all_passengers();
     new spell_gen_eject_passenger();
+    new spell_gen_charmed_unit_spell_cooldown();
 }