Core/Spells: Convert/Update more spells in spell script for 4.3.4

src/server/scripts/Spells/spell_dk.cpp

@@ -32,6 +32,7 @@ enum DeathKnightSpells
     SPELL_DK_BLACK_ICE_R1                       = 49140,
     SPELL_DK_BLOOD_BOIL_TRIGGERED               = 65658,
     SPELL_DK_BLOOD_GORGED_HEAL                  = 50454,
+    SPELL_DK_BLOOD_PRESENCE                     = 48266,
     SPELL_DK_CORPSE_EXPLOSION_TRIGGERED         = 43999,
     SPELL_DK_CORPSE_EXPLOSION_VISUAL            = 51270,
     SPELL_DK_DEATH_COIL_DAMAGE                  = 47632,
@@ -39,16 +40,16 @@ enum DeathKnightSpells
     SPELL_DK_DEATH_STRIKE_HEAL                  = 45470,
     SPELL_DK_GHOUL_EXPLODE                      = 47496,
     SPELL_DK_GLYPH_OF_ICEBOUND_FORTITUDE        = 58625,
+    SPELL_DK_IMPROVED_BLOOD_PRESENCE_TRIGGERED  = 63611,
+    SPELL_DK_IMPROVED_UNHOLY_PRESENCE_TRIGGERED = 63622,
+    SPELL_DK_ITEM_SIGIL_VENGEFUL_HEART          = 64962,
+    SPELL_DK_ITEM_T8_MELEE_4P_BONUS             = 64736,
     SPELL_DK_RUNIC_POWER_ENERGIZE               = 49088,
+    SPELL_DK_SCENT_OF_BLOOD                     = 50422,
     SPELL_DK_SCOURGE_STRIKE_TRIGGERED           = 70890,
     SPELL_DK_WILL_OF_THE_NECROPOLIS_TALENT_R1   = 49189,
     SPELL_DK_WILL_OF_THE_NECROPOLIS_AURA_R1     = 52284,
-    SPELL_DK_BLOOD_PRESENCE                     = 48266,
-    SPELL_DK_IMPROVED_BLOOD_PRESENCE_TRIGGERED  = 63611,
     SPELL_DK_UNHOLY_PRESENCE                    = 48265,
-    SPELL_DK_IMPROVED_UNHOLY_PRESENCE_TRIGGERED = 63622,
-    SPELL_DK_ITEM_SIGIL_VENGEFUL_HEART          = 64962,
-    SPELL_DK_ITEM_T8_MELEE_4P_BONUS             = 64736
 };
 
 enum DeathKnightSpellIcons
@@ -807,6 +808,42 @@ class spell_dk_rune_tap_party : public SpellScriptLoader
         }
 };
 
+// 50421 - Scent of Blood
+class spell_dk_scent_of_blood : public SpellScriptLoader
+{
+    public:
+        spell_dk_scent_of_blood() : SpellScriptLoader("spell_dk_scent_of_blood") { }
+
+        class spell_dk_scent_of_blood_AuraScript : public AuraScript
+        {
+            PrepareAuraScript(spell_dk_scent_of_blood_AuraScript);
+
+            bool Validate(SpellInfo const* /*spellInfo*/) OVERRIDE
+            {
+                if (!sSpellMgr->GetSpellInfo(SPELL_DK_SCENT_OF_BLOOD))
+                    return false;
+                return true;
+            }
+
+            void OnProc(AuraEffect const* aurEff, ProcEventInfo& eventInfo)
+            {
+                PreventDefaultAction();
+                GetTarget()->CastSpell(GetTarget(), SPELL_DK_SCENT_OF_BLOOD, true, NULL, aurEff);
+                GetTarget()->RemoveAuraFromStack(GetSpellInfo()->Id);
+            }
+
+            void Register() OVERRIDE
+            {
+                OnEffectProc += AuraEffectProcFn(spell_dk_scent_of_blood_AuraScript::OnProc, EFFECT_0, SPELL_AURA_PROC_TRIGGER_SPELL);
+            }
+        };
+
+        AuraScript* GetAuraScript() const OVERRIDE
+        {
+            return new spell_dk_scent_of_blood_AuraScript();
+        }
+};
+
 // 55090 - Scourge Strike (55265, 55270, 55271)
 class spell_dk_scourge_strike : public SpellScriptLoader
 {
@@ -1023,6 +1060,7 @@ void AddSC_deathknight_spell_scripts()
     new spell_dk_improved_blood_presence();
     new spell_dk_improved_unholy_presence();
     new spell_dk_rune_tap_party();
+    new spell_dk_scent_of_blood();
     new spell_dk_scourge_strike();
     new spell_dk_spell_deflection();
     new spell_dk_vampiric_blood();