Spell/Script: Stasis Field

Closes #23355

(cherry picked from commit 7dd87e3df44c1c5b9b8ffb9652911d46d6676c38)

1 files changed, 59 insertions, 0 deletions

diff --git a/src/server/scripts/Spells/spell_generic.cpp b/src/server/scripts/Spells/spell_generic.cpp
index c2e182a66c8..610fc24dbd4 100644
--- a/src/server/scripts/Spells/spell_generic.cpp
+++ b/src/server/scripts/Spells/spell_generic.cpp
@@ -4116,6 +4116,64 @@ class spell_corrupting_plague_aura : public AuraScript
     }
 };
 
+enum StasisFieldEntrys
+{
+    NPC_DAGGERTAIL_LIZARD    = 22255,
+    SPELL_STASIS_FIELD       = 40307
+};
+
+// 40307 - Stasis Field
+class StasisFieldSearcher
+{
+public:
+    StasisFieldSearcher(Unit* obj, float distance) : _unit(obj), _distance(distance)  { }
+
+    bool operator()(Unit* u) const
+    {
+        if (_unit->GetDistance2d(u) < _distance &&
+            (u->GetEntry() == NPC_APEXIS_FLAYER || u->GetEntry() == NPC_SHARD_HIDE_BOAR || u->GetEntry() == NPC_AETHER_RAY || u->GetEntry() == NPC_DAGGERTAIL_LIZARD) &&
+            !u->HasAura(SPELL_STASIS_FIELD))
+            return true;
+
+        return false;
+    }
+
+private:
+    Unit* _unit;
+    float _distance;
+};
+
+// 40306 - Stasis Field
+class spell_stasis_field_aura : public AuraScript
+{
+    PrepareAuraScript(spell_stasis_field_aura);
+
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_STASIS_FIELD });
+    }
+
+    void OnPeriodic(AuraEffect const* /*aurEff*/)
+    {
+        Unit* owner = GetTarget();
+
+        std::list<Creature*> targets;
+        StasisFieldSearcher creature_check(owner, 15.0f);
+        Trinity::CreatureListSearcher<StasisFieldSearcher> creature_searcher(owner, targets, creature_check);
+        Cell::VisitGridObjects(owner, creature_searcher, 15.0f);
+
+        if (!targets.empty())
+            return;
+
+        PreventDefaultAction();
+    }
+
+    void Register() override
+    {
+        OnEffectPeriodic += AuraEffectPeriodicFn(spell_stasis_field_aura::OnPeriodic, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL);
+    }
+};
+
 enum SiegeTankControl
 {
     SPELL_SIEGE_TANK_CONTROL = 47963
@@ -4574,6 +4632,7 @@ void AddSC_generic_spell_scripts()
     RegisterSpellScript(spell_gen_clear_debuffs);
     RegisterAuraScript(spell_gen_pony_mount_check);
     RegisterAuraScript(spell_corrupting_plague_aura);
+    RegisterAuraScript(spell_stasis_field_aura);
     RegisterAuraScript(spell_gen_vehicle_control_link);
     RegisterSpellScript(spell_freezing_circle);
     RegisterSpellScript(spell_gen_charmed_unit_spell_cooldown);