Core/Players

* Add liquid special aura only if player is in it (not when above)
* Use CastSpell instead of AddAura - checks all dbc conditions on spell

src/server/game/DataStores/DBCStores.cpp

@@ -864,6 +864,14 @@ uint32 const* GetTalentTabPages(uint8 cls)
     return sTalentTabPages[cls];
 }
 
+uint32 GetLiquidFlags(uint32 liquidType)
+{
+    if (LiquidTypeEntry const* liq = sLiquidTypeStore.LookupEntry(liquidType))
+        return 1 << liq->Type;
+
+    return 0;
+}
+
 // script support functions
  DBCStorage <SoundEntriesEntry>  const* GetSoundEntriesStore()   { return &sSoundEntriesStore;   }
  DBCStorage <SpellRangeEntry>    const* GetSpellRangeStore()     { return &sSpellRangeStore;     }

src/server/game/DataStores/DBCStores.h

@@ -60,6 +60,8 @@ MapDifficulty const* GetDownscaledMapDifficultyData(uint32 mapId, Difficulty &di
 
 uint32 const* /*[MAX_TALENT_TABS]*/ GetTalentTabPages(uint8 cls);
 
+uint32 GetLiquidFlags(uint32 liquidType);
+
 PvPDifficultyEntry const* GetBattlegroundBracketByLevel(uint32 mapid, uint32 level);
 PvPDifficultyEntry const* GetBattlegroundBracketById(uint32 mapid, BattlegroundBracketId id);
 

src/server/game/Entities/Player/Player.cpp

@@ -23075,7 +23075,12 @@ void Player::UpdateUnderwaterState(Map* m, float x, float y, float z)
             RemoveAurasDueToSpell(_lastLiquid->SpellId);
 
         if (liquid && liquid->SpellId)
-            AddAura(liquid->SpellId, this);
+        {
+            if (res & (LIQUID_MAP_UNDER_WATER | LIQUID_MAP_IN_WATER | LIQUID_MAP_WATER_WALK))
+                CastSpell(this, liquid->SpellId, this);
+            else
+                RemoveAurasDueToSpell(liquid->SpellId);
+        }
 
         _lastLiquid = liquid;
     }