From bc688c2a51827030f50fae84b5ca92edd272f129 Mon Sep 17 00:00:00 2001
From: avarishd <46330494+avarishd@users.noreply.github.com>
Date: Thu, 2 Nov 2023 13:53:45 +0200
Subject: [PATCH] fix(Core/Spells): Script Choking Vines  (#17615)

* fix(DB/Custom): Choking Vines should stack from different sources

* script spell

* comment
---
 .../rev_1698597123341587200.sql               |  6 ++++
 src/server/scripts/Spells/spell_generic.cpp   | 35 +++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 data/sql/updates/pending_db_world/rev_1698597123341587200.sql

diff --git a/data/sql/updates/pending_db_world/rev_1698597123341587200.sql b/data/sql/updates/pending_db_world/rev_1698597123341587200.sql
new file mode 100644
index 000000000..dcd14c6dd
--- /dev/null
+++ b/data/sql/updates/pending_db_world/rev_1698597123341587200.sql
@@ -0,0 +1,6 @@
+-- Choking Vines
+DELETE FROM `spell_custom_attr` WHERE `spell_id`=35244;
+INSERT INTO `spell_custom_attr` (`spell_id`, `attributes`) VALUES (35244, 4194304);
+
+DELETE FROM `spell_script_names` WHERE `spell_id`=35244 AND `ScriptName`='spell_gen_choking_vines';
+INSERT INTO `spell_script_names` VALUES (35244, 'spell_gen_choking_vines');
diff --git a/src/server/scripts/Spells/spell_generic.cpp b/src/server/scripts/Spells/spell_generic.cpp
index bfd937f03..2eb72152b 100644
--- a/src/server/scripts/Spells/spell_generic.cpp
+++ b/src/server/scripts/Spells/spell_generic.cpp
@@ -5102,6 +5102,40 @@ class spell_gen_yehkinya_bramble : public SpellScript
     }
 };
 
+// 35244 - Choking Vines
+enum ChokingVines
+{
+    SPELL_CHOKING_VINES = 35244,
+    SPELL_CHOKING_WOUND = 35247
+};
+
+class spell_gen_choking_vines : public AuraScript
+{
+    PrepareAuraScript(spell_gen_choking_vines);
+
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_CHOKING_VINES, SPELL_CHOKING_WOUND });
+    }
+
+    void OnApply(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
+    {
+        if (Unit* target = GetTarget())
+        {
+            if (GetStackAmount() == GetSpellInfo()->StackAmount) // 5 stacks
+            {
+                target->RemoveAurasDueToSpell(SPELL_CHOKING_VINES);
+                target->CastSpell(target, SPELL_CHOKING_WOUND, true); // Unknown if it's a self cast or casted by the source on 5th
+            }
+        }
+    }
+
+    void Register() override
+    {
+        OnEffectApply += AuraEffectApplyFn(spell_gen_choking_vines::OnApply, EFFECT_0, SPELL_AURA_MOD_DECREASE_SPEED, AURA_EFFECT_HANDLE_REAL_OR_REAPPLY_MASK);
+    }
+};
+
 void AddSC_generic_spell_scripts()
 {
     RegisterSpellScript(spell_silithyst);
@@ -5254,4 +5288,5 @@ void AddSC_generic_spell_scripts()
     RegisterSpellScript(spell_gen_planting_scourge_banner);
     RegisterSpellScript(spell_gen_jubling_cooldown);
     RegisterSpellScript(spell_gen_yehkinya_bramble);
+    RegisterSpellScript(spell_gen_choking_vines);
 }