Scripts/Spells: Implement demon hunter talent "Inner Demon" (#30562)

3 files changed, 85 insertions, 0 deletions

diff --git a/sql/updates/world/master/2025_01_14_05_world.sql b/sql/updates/world/master/2025_01_14_05_world.sql
new file mode 100644
index 00000000000..24963a01bfb
--- /dev/null
+++ b/sql/updates/world/master/2025_01_14_05_world.sql
@@ -0,0 +1,15 @@
+DELETE FROM `spell_script_names` WHERE `ScriptName`='spell_dh_inner_demon';
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(162264, 'spell_dh_inner_demon');
+
+DELETE FROM `spell_proc` WHERE `SpellId` IN (390145);
+INSERT INTO `spell_proc` (`SpellId`,`SchoolMask`,`SpellFamilyName`,`SpellFamilyMask0`,`SpellFamilyMask1`,`SpellFamilyMask2`,`SpellFamilyMask3`,`ProcFlags`,`ProcFlags2`,`SpellTypeMask`,`SpellPhaseMask`,`HitMask`,`AttributesMask`,`DisableEffectsMask`,`ProcsPerMinute`,`Chance`,`Cooldown`,`Charges`) VALUES
+(390145,0x00,107,0x00000000,0x00300000,0x00000000,0x00000000,0x0,0x0,0x4,0x2,0x0,0x0,0x0,0,0,0,0); -- Inner Demon
+
+DELETE FROM `areatrigger_create_properties` WHERE (`IsCustom`=0 AND `Id` = 26749);
+INSERT INTO `areatrigger_create_properties` (`Id`, `IsCustom`, `AreaTriggerId`, `IsAreatriggerCustom`, `Flags`, `MoveCurveId`, `ScaleCurveId`, `MorphCurveId`, `FacingCurveId`, `AnimId`, `AnimKitId`, `DecalPropertiesId`, `SpellForVisuals`, `TimeToTargetScale`, `Speed`, `Shape`, `ShapeData0`, `ShapeData1`, `ShapeData2`, `ShapeData3`, `ShapeData4`, `ShapeData5`, `ShapeData6`, `ShapeData7`, `ScriptName`, `VerifiedBuild`) VALUES
+(26749, 0, 30886, 0, 0, 0, 0, 0, 0, -1, 0, 0, NULL, 1250, 10.4, 0, 3, 3, 0, 0, 0, 0, 0, 0, 'at_dh_inner_demon', 58187); -- Spell: 390139 (Inner Demon)
+
+DELETE FROM `areatrigger_template` WHERE (`IsCustom`=0 AND `Id` = 30886);
+INSERT INTO `areatrigger_template` (`Id`, `IsCustom`, `Flags`, `VerifiedBuild`) VALUES
+(30886, 0, 0, 58187);
diff --git a/src/server/game/Spells/SpellMgr.cpp b/src/server/game/Spells/SpellMgr.cpp
index d41b0b75476..e4dbe8a4c2e 100644
--- a/src/server/game/Spells/SpellMgr.cpp
+++ b/src/server/game/Spells/SpellMgr.cpp
@@ -5262,6 +5262,12 @@ void SpellMgr::LoadSpellInfoTargetCaps()
         spellInfo->_LoadSqrtTargetLimit(8, 0, 453034, EFFECT_1, {}, {});
     });
 
+    // Inner Demon
+    ApplySpellFix({ 390137 }, [](SpellInfo* spellInfo)
+    {
+        spellInfo->_LoadSqrtTargetLimit(5, 0, 389693, EFFECT_1, {}, {});
+    });
+
     TC_LOG_INFO("server.loading", ">> Loaded SpellInfo target caps in {} ms", GetMSTimeDiffToNow(oldMSTime));
 }
 
diff --git a/src/server/scripts/Spells/spell_dh.cpp b/src/server/scripts/Spells/spell_dh.cpp
index 7de1e0f161d..7d41bb4488f 100644
--- a/src/server/scripts/Spells/spell_dh.cpp
+++ b/src/server/scripts/Spells/spell_dh.cpp
@@ -24,6 +24,7 @@
 #include "AreaTrigger.h"
 #include "AreaTriggerAI.h"
 #include "DB2Stores.h"
+#include "PathGenerator.h"
 #include "Player.h"
 #include "ScriptMgr.h"
 #include "Spell.h"
@@ -127,6 +128,9 @@ enum DemonHunterSpells
     SPELL_DH_ILLIDANS_GRASP                        = 205630,
     SPELL_DH_ILLIDANS_GRASP_DAMAGE                 = 208618,
     SPELL_DH_ILLIDANS_GRASP_JUMP_DEST              = 208175,
+    SPELL_DH_INNER_DEMON_BUFF                      = 390145,
+    SPELL_DH_INNER_DEMON_DAMAGE                    = 390137,
+    SPELL_DH_INNER_DEMON_TALENT                    = 389693,
     SPELL_DH_INFERNAL_STRIKE_CAST                  = 189110,
     SPELL_DH_INFERNAL_STRIKE_IMPACT_DAMAGE         = 189112,
     SPELL_DH_INFERNAL_STRIKE_JUMP                  = 189111,
@@ -806,6 +810,64 @@ class spell_dh_furious_gaze : public AuraScript
     }
 };
 
+// Called by 162264 - Metamorphosis
+class spell_dh_inner_demon : public AuraScript
+{
+    bool Validate(SpellInfo const* /*spell*/) override
+    {
+        return ValidateSpellInfo({ SPELL_DH_INNER_DEMON_TALENT, SPELL_DH_INNER_DEMON_BUFF });
+    }
+
+    bool Load() override
+    {
+        return GetUnitOwner()->HasAura(SPELL_DH_INNER_DEMON_TALENT); // This spell has a proc, but is just a copypaste from spell 390145 (also don't have a 5s cooldown)
+    }
+
+    void OnApply(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/) const
+    {
+        Unit* target = GetTarget();
+        target->CastSpell(target, SPELL_DH_INNER_DEMON_BUFF, CastSpellExtraArgsInit{
+            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
+        });
+    }
+
+    void Register() override
+    {
+        AfterEffectApply += AuraEffectApplyFn(spell_dh_inner_demon::OnApply, EFFECT_0, SPELL_AURA_TRANSFORM, AURA_EFFECT_HANDLE_REAL_OR_REAPPLY_MASK);
+    }
+};
+
+// 390139 - Inner Demon
+// ID - 26749
+struct at_dh_inner_demon : AreaTriggerAI
+{
+    using AreaTriggerAI::AreaTriggerAI;
+
+    void OnInitialize() override
+    {
+        SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(at->GetSpellId(), DIFFICULTY_NONE);
+        if (!spellInfo)
+            return;
+
+        Unit* caster = at->GetCaster();
+        if (!caster)
+            return;
+
+        Position destPos = at->GetFirstCollisionPosition(spellInfo->GetEffect(EFFECT_0).CalcValue(caster) + at->GetMaxSearchRadius(), at->GetRelativeAngle(caster));
+        PathGenerator path(at);
+
+        path.CalculatePath(destPos.GetPositionX(), destPos.GetPositionY(), destPos.GetPositionZ(), false);
+
+        at->InitSplines(path.GetPath());
+    }
+
+    void OnRemove() override
+    {
+        if (Unit* caster = at->GetCaster())
+            caster->CastSpell(caster->GetPosition(), SPELL_DH_INNER_DEMON_DAMAGE, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
+    }
+};
+
 // 209258 - Last Resort
 class spell_dh_last_resort : public AuraScript
 {
@@ -1253,6 +1315,8 @@ void AddSC_demon_hunter_spell_scripts()
     RegisterSpellScript(spell_dh_felblade_cooldown_reset_proc);
     RegisterSpellScript(spell_dh_fiery_brand);
     RegisterSpellScript(spell_dh_furious_gaze);
+    RegisterSpellScript(spell_dh_inner_demon);
+    RegisterAreaTriggerAI(at_dh_inner_demon);
     RegisterSpellScript(spell_dh_last_resort);
     RegisterSpellScript(spell_dh_restless_hunter);
     RegisterSpellScript(spell_dh_shattered_destiny);