fix(DB/Creatures): Death Talon Wyrmguard should gain extra auras. (#10456)

* fix(DB/Creatures): Death Talon Wyrmguard should gain extra auras.

Fixed #10425

data/sql/updates/pending_db_world/rev_1643577681911100000.sql

@@ -0,0 +1,18 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1643577681911100000');
+
+UPDATE `creature_template_addon` SET `auras`='19818' WHERE `entry`=12460;
+UPDATE `creature_template_addon` SET `auras`='' WHERE `entry`=12461;
+
+DELETE FROM `spell_script_names` WHERE `spell_id` IN (22276,22282);
+INSERT INTO `spell_script_names` VALUES
+(22276,'spell_gen_elemental_shield'),
+(22282,'spell_gen_brood_power');
+
+DELETE FROM `smart_scripts` WHERE `entryorguid`=12460 AND `source_type`=0 AND `id` IN (1,2);
+INSERT INTO `smart_scripts` VALUES
+(12460,0,1,0,25,0,100,0,0,0,0,0,0,11,22282,0,0,0,0,0,1,0,0,0,0,0,0,0,0,'Death Talon Wyrmguard - On Reset - Cast Brood Power'),
+(12460,0,2,0,0,0,100,1,4000,4000,0,0,0,11,22276,0,0,0,0,0,1,0,0,0,0,0,0,0,0,'Death Talon Wyrmguard - In Combat (4 sec) - Cast Elemental Shield');
+
+DELETE FROM `smart_scripts` WHERE `entryorguid`=12461 AND `source_type`=0 AND `id`=2;
+INSERT INTO `smart_scripts` VALUES
+(12461,0,2,0,0,0,100,1,4000,4000,0,0,0,11,22276,0,0,0,0,0,1,0,0,0,0,0,0,0,0,'Death Talon Overseer - In Combat (4 sec) - Cast Elemental Shield');

src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingLair/boss_chromaggus.cpp

@@ -22,6 +22,7 @@
 #include "Player.h"
 #include "ScriptMgr.h"
 #include "ScriptedCreature.h"
+#include "SpellScript.h"
 #include "blackwing_lair.h"
 
 enum Emotes
@@ -32,14 +33,6 @@ enum Emotes
 
 enum Spells
 {
-    // These spells are actually called elemental shield
-    // What they do is decrease all damage by 75% then they increase
-    // One school of damage by 1100%
-    SPELL_FIRE_VULNERABILITY                               = 22277,
-    SPELL_FROST_VULNERABILITY                              = 22278,
-    SPELL_SHADOW_VULNERABILITY                             = 22279,
-    SPELL_NATURE_VULNERABILITY                             = 22280,
-    SPELL_ARCANE_VULNERABILITY                             = 22281,
     // Other spells
     SPELL_INCINERATE                                       = 23308,   //Incinerate 23308, 23309
     SPELL_TIMELAPSE                                        = 23310,   //Time lapse 23310, 23311(old threat mod that was removed in 2.01)
@@ -54,6 +47,8 @@ enum Spells
     SPELL_BROODAF_BRONZE                                   = 23170,   //Bronze Affliction  23170
     SPELL_BROODAF_GREEN                                    = 23169,   //Brood Affliction Green 23169
     SPELL_CHROMATIC_MUT_1                                  = 23174,   //Spell cast on player if they get all 5 debuffs
+
+    SPELL_ELEMENTAL_SHIELD                                 = 22276,
     SPELL_FRENZY                                           = 28371,   //The frenzy spell may be wrong
     SPELL_ENRAGE                                           = 28747
 };
@@ -191,7 +186,6 @@ public:
 
         void Initialize()
         {
-            CurrentVurln_Spell = 0;     // We use this to store our last vulnerabilty spell so we can remove it later
             Enraged = false;
         }
 
@@ -237,14 +231,8 @@ public:
                 {
                     case EVENT_SHIMMER:
                         {
-                            // Remove old vulnerabilty spell
-                            if (CurrentVurln_Spell)
-                                me->RemoveAurasDueToSpell(CurrentVurln_Spell);
-
                             // Cast new random vulnerabilty on self
-                            uint32 spell = RAND(SPELL_FIRE_VULNERABILITY, SPELL_FROST_VULNERABILITY, SPELL_SHADOW_VULNERABILITY, SPELL_NATURE_VULNERABILITY, SPELL_ARCANE_VULNERABILITY);
+                            DoCast(me, SPELL_ELEMENTAL_SHIELD);
-                            DoCast(me, spell);
-                            CurrentVurln_Spell = spell;
                             Talk(EMOTE_SHIMMER);
                             events.ScheduleEvent(EVENT_SHIMMER, 45000);
                             break;
@@ -302,7 +290,6 @@ public:
     private:
         uint32 Breath1_Spell;
         uint32 Breath2_Spell;
-        uint32 CurrentVurln_Spell;
         bool Enraged;
     };
 
@@ -356,8 +343,96 @@ class go_chromaggus_lever : public GameObjectScript
         }
 };
 
+enum ElementalShieldSpells
+{
+    SPELL_FIRE_ELEMENTAL_SHIELD     = 22277,
+    SPELL_FROST_ELEMENTAL_SHIELD    = 22278,
+    SPELL_SHADOW_ELEMENTAL_SHIELD   = 22279,
+    SPELL_NATURE_ELEMENTAL_SHIELD   = 22280,
+    SPELL_ARCANE_ELEMENTAL_SHIELD   = 22281,
+
+    SPELL_RED_BROOD_POWER           = 22283,
+    SPELL_BLUE_BROOD_POWER          = 22285,
+    SPELL_BRONZE_BROOD_POWER        = 22286,
+    SPELL_BLACK_BROOD_POWER         = 22287,
+    SPELL_GREEN_BROOD_POWER         = 22288
+
+};
+
+class spell_gen_elemental_shield : public SpellScript
+{
+    PrepareSpellScript(spell_gen_elemental_shield);
+
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo(
+            {
+                SPELL_FIRE_ELEMENTAL_SHIELD,
+                SPELL_FROST_ELEMENTAL_SHIELD,
+                SPELL_SHADOW_ELEMENTAL_SHIELD,
+                SPELL_NATURE_ELEMENTAL_SHIELD,
+                SPELL_ARCANE_ELEMENTAL_SHIELD
+            });
+    }
+
+    void HandleScript(SpellEffIndex /*effIndex*/)
+    {
+        if (Unit* caster = GetCaster())
+        {
+            for (uint32 spell = SPELL_FIRE_ELEMENTAL_SHIELD; spell <= SPELL_ARCANE_ELEMENTAL_SHIELD; ++spell)
+            {
+                caster->RemoveAurasDueToSpell(spell);
+            }
+
+            caster->CastSpell(caster, SPELL_FIRE_ELEMENTAL_SHIELD + urand(0, 4), true);
+        }
+    }
+
+    void Register() override
+    {
+        OnEffectHitTarget += SpellEffectFn(spell_gen_elemental_shield::HandleScript, EFFECT_0, SPELL_EFFECT_DUMMY);
+    }
+};
+
+class spell_gen_brood_power : public SpellScript
+{
+    PrepareSpellScript(spell_gen_brood_power);
+
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo(
+            {
+                SPELL_RED_BROOD_POWER,
+                SPELL_BLUE_BROOD_POWER,
+                SPELL_BRONZE_BROOD_POWER,
+                SPELL_BLACK_BROOD_POWER,
+                SPELL_GREEN_BROOD_POWER
+            });
+    }
+
+    void HandleScript(SpellEffIndex /*effIndex*/)
+    {
+        if (Unit* caster = GetCaster())
+        {
+            for (uint32 spell = SPELL_RED_BROOD_POWER; spell <= SPELL_GREEN_BROOD_POWER; ++spell)
+            {
+                caster->RemoveAurasDueToSpell(spell);
+            }
+
+            caster->CastSpell(caster, RAND(SPELL_RED_BROOD_POWER, SPELL_BLUE_BROOD_POWER, SPELL_BRONZE_BROOD_POWER, SPELL_BLACK_BROOD_POWER, SPELL_GREEN_BROOD_POWER), true);
+        }
+    }
+
+    void Register() override
+    {
+        OnEffectHitTarget += SpellEffectFn(spell_gen_brood_power::HandleScript, EFFECT_0, SPELL_EFFECT_DUMMY);
+    }
+};
+
 void AddSC_boss_chromaggus()
 {
     new boss_chromaggus();
     new go_chromaggus_lever();
+    RegisterSpellScript(spell_gen_elemental_shield);
+    RegisterSpellScript(spell_gen_brood_power);
 }