Core/Scripts: Fix Blood summon position (#23088)

* Core/Scripts: Fix Blood summon position

Updates #13162

(cherry picked from commit cc3293c0023b36434747190103a1f0ffee0f8488)

2 files changed, 26 insertions, 0 deletions

diff --git a/sql/updates/world/master/2021_11_26_07_world_2019_04_04_00_world.sql b/sql/updates/world/master/2021_11_26_07_world_2019_04_04_00_world.sql
new file mode 100644
index 00000000000..6063432415b
--- /dev/null
+++ b/sql/updates/world/master/2021_11_26_07_world_2019_04_04_00_world.sql
@@ -0,0 +1,3 @@
+DELETE FROM `spell_script_names` WHERE `ScriptName`='spell_spawn_blood_pool';
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(63471, 'spell_spawn_blood_pool');
diff --git a/src/server/scripts/Spells/spell_generic.cpp b/src/server/scripts/Spells/spell_generic.cpp
index e8a8756a109..5c680852ab5 100644
--- a/src/server/scripts/Spells/spell_generic.cpp
+++ b/src/server/scripts/Spells/spell_generic.cpp
@@ -171,6 +171,7 @@ enum AnimalBloodPoolSpell
     SPELL_SPAWN_BLOOD_POOL  = 63471
 };
 
+// 46221 - Animal Blood
 class spell_gen_animal_blood : public AuraScript
 {
     PrepareAuraScript(spell_gen_animal_blood);
@@ -201,6 +202,27 @@ class spell_gen_animal_blood : public AuraScript
     }
 };
 
+// 63471 -Spawn Blood Pool
+class spell_spawn_blood_pool : public SpellScript
+{
+    PrepareSpellScript(spell_spawn_blood_pool);
+
+    void SetDest(SpellDestination& dest)
+    {
+        Unit* caster = GetCaster();
+        Position summonPos = caster->GetPosition();
+        LiquidData liquidStatus;
+        if (caster->GetMap()->GetLiquidStatus(caster->GetPhaseShift(), caster->GetPositionX(), caster->GetPositionY(), caster->GetPositionZ(), map_liquidHeaderTypeFlags::AllLiquids, &liquidStatus, caster->GetCollisionHeight()))
+            summonPos.m_positionZ = liquidStatus.level;
+        dest.Relocate(summonPos);
+    }
+
+    void Register() override
+    {
+        OnDestinationTargetSelect += SpellDestinationTargetSelectFn(spell_spawn_blood_pool::SetDest, EFFECT_0, TARGET_DEST_CASTER);
+    }
+};
+
 class spell_gen_arcane_charge : public SpellScript
 {
     PrepareSpellScript(spell_gen_arcane_charge);
@@ -4378,6 +4400,7 @@ void AddSC_generic_spell_scripts()
     RegisterAuraScript(spell_gen_adaptive_warding);
     RegisterSpellScript(spell_gen_allow_cast_from_item_only);
     RegisterAuraScript(spell_gen_animal_blood);
+    RegisterSpellScript(spell_spawn_blood_pool);
     RegisterSpellScript(spell_gen_arcane_charge);
     RegisterAuraScript(spell_gen_arena_drink);
     RegisterAuraScript(spell_gen_aura_of_anger);