Core/Spells: fixed Improved Serpent Sting

sql/updates/world/4.3.4/2017_12_08_01_world.sql

@@ -0,0 +1,4 @@
+--
+DELETE FROM `spell_script_names` WHERE `ScriptName`= 'spell_hun_serpent_sting';
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(1978, 'spell_hun_serpent_sting');

src/server/scripts/Spells/spell_hunter.cpp

@@ -38,6 +38,9 @@ enum HunterSpells
     SPELL_HUNTER_FIRE                               = 82926,
     SPELL_HUNTER_GENERIC_ENERGIZE_FOCUS             = 91954,
     SPELL_HUNTER_IMPROVED_MEND_PET                  = 24406,
+    SPELL_HUNTER_IMPROVED_SERPENT_STING_DAMAGE      = 83077,
+    SPELL_HUNTER_IMPROVED_SERPENT_STING_R1          = 19464,
+    SPELL_HUNTER_IMPROVED_SERPENT_STING_R2          = 82834,
     SPELL_HUNTER_INSANITY                           = 95809,
     SPELL_HUNTER_INVIGORATION_TRIGGERED             = 53398,
     SPELL_HUNTER_LOCK_AND_LOAD                      = 56453,
@@ -1246,6 +1249,58 @@ class spell_hun_wild_quiver : public SpellScriptLoader
         }
 };
 
+// 1978 - Serpent Sting
+class spell_hun_serpent_sting : public SpellScriptLoader
+{
+    public:
+        spell_hun_serpent_sting() : SpellScriptLoader("spell_hun_serpent_sting") { }
+
+        class spell_hun_serpent_sting_AuraScript : public AuraScript
+        {
+            PrepareAuraScript(spell_hun_serpent_sting_AuraScript);
+
+            bool Validate(SpellInfo const* /*spellInfo*/) override
+            {
+                return ValidateSpellInfo(
+                {
+                    SPELL_HUNTER_IMPROVED_SERPENT_STING_DAMAGE,
+                    SPELL_HUNTER_IMPROVED_SERPENT_STING_R1,
+                    SPELL_HUNTER_IMPROVED_SERPENT_STING_R2
+                });
+            }
+
+            void OnApply(AuraEffect const* aurEff, AuraEffectHandleModes /*mode*/)
+            {
+                if (Unit* caster = GetCaster())
+                {
+                    uint32 spellId = 0;
+
+                    if (caster->HasAura(SPELL_HUNTER_IMPROVED_SERPENT_STING_R2))
+                        spellId = SPELL_HUNTER_IMPROVED_SERPENT_STING_R2;
+                    else if (caster->HasAura(SPELL_HUNTER_IMPROVED_SERPENT_STING_R1))
+                        spellId = SPELL_HUNTER_IMPROVED_SERPENT_STING_R1;
+
+                    if (Aura* stingAura = caster->GetAura(spellId))
+                    {
+                        uint32 periodicDamage = aurEff->GetAmount() * aurEff->GetTotalTicks();
+                        uint32 damage = CalculatePct(periodicDamage * stingAura->GetSpellInfo()->Effects[EFFECT_0].BasePoints, 1);
+                        caster->CastCustomSpell(SPELL_HUNTER_IMPROVED_SERPENT_STING_DAMAGE, SPELLVALUE_BASE_POINT0, damage, GetTarget(), true);
+                    }
+                }
+            }
+
+        void Register() override
+        {
+            AfterEffectApply += AuraEffectApplyFn(spell_hun_serpent_sting_AuraScript::OnApply, EFFECT_0, SPELL_AURA_PERIODIC_DAMAGE, AURA_EFFECT_HANDLE_REAL_OR_REAPPLY_MASK);
+        }
+    };
+
+    AuraScript* GetAuraScript() const override
+    {
+        return new spell_hun_serpent_sting_AuraScript();
+    }
+};
+
 void AddSC_hunter_spell_scripts()
 {
     new spell_hun_ancient_hysteria();
@@ -1267,6 +1322,7 @@ void AddSC_hunter_spell_scripts()
     new spell_hun_readiness();
     new spell_hun_ready_set_aim();
     new spell_hun_scatter_shot();
+    new spell_hun_serpent_sting();
     new spell_hun_sniper_training();
     new spell_hun_steady_shot();
     new spell_hun_improved_steady_shot();