feat(Core/Creatures): implement a sparring system (#19824)

src/server/game/Globals/ObjectMgr.cpp

@@ -2298,6 +2298,42 @@ void ObjectMgr::LoadCreatures()
     LOG_INFO("server.loading", " ");
 }
 
+void ObjectMgr::LoadCreatureSparring()
+{
+    uint32 oldMSTime = getMSTime();
+
+    QueryResult result = WorldDatabase.Query("SELECT GUID, SparringPCT FROM creature_sparring");
+
+    if (!result)
+    {
+        LOG_WARN("server.loading", ">> Loaded 0 sparring data. DB table `creature_sparring` is empty.");
+        LOG_INFO("server.loading", " ");
+        return;
+    }
+
+    uint32 count = 0;
+    do
+    {
+        Field* fields = result->Fetch();
+
+        ObjectGuid::LowType spawnId     = fields[0].Get<uint32>();
+        float sparringHealthPct         = fields[1].Get<float>();
+
+        if (!sObjectMgr->GetCreatureData(spawnId))
+        {
+            LOG_ERROR("sql.sql", "Entry {} has a record in `creature_sparring` but doesn't exist in `creatures` table");
+            continue;
+        }
+
+        _creatureSparringStore[spawnId].push_back(sparringHealthPct);
+
+        ++count;
+    } while (result->NextRow());
+
+    LOG_INFO("server.loading", ">> Loaded {} sparring data in {} ms", count, GetMSTimeDiffToNow(oldMSTime));
+    LOG_INFO("server.loading", " ");
+}
+
 void ObjectMgr::AddCreatureToGrid(ObjectGuid::LowType guid, CreatureData const* data)
 {
     uint8 mask = data->spawnMask;

src/server/game/Globals/ObjectMgr.h

@@ -751,6 +751,8 @@ public:
 
     typedef std::map<uint32, uint32> CharacterConversionMap;
 
+    typedef std::unordered_map<ObjectGuid::LowType, std::vector<float>> CreatureSparringContainer;
+
     GameObjectTemplate const* GetGameObjectTemplate(uint32 entry);
     bool IsGameObjectStaticTransport(uint32 entry);
     [[nodiscard]] GameObjectTemplateContainer const* GetGameObjectTemplates() const { return &_gameObjectTemplateStore; }
@@ -1028,6 +1030,7 @@ public:
     void LoadCreatureQuestItems();
     void LoadTempSummons();
     void LoadCreatures();
+    void LoadCreatureSparring();
     void LoadLinkedRespawn();
     bool SetCreatureLinkedRespawn(ObjectGuid::LowType guid, ObjectGuid::LowType linkedGuid);
     void LoadCreatureAddons();
@@ -1201,6 +1204,9 @@ public:
         if (itr == _creatureDataStore.end()) return nullptr;
         return &itr->second;
     }
+
+    [[nodiscard]] CreatureSparringContainer const& GetSparringData() const { return _creatureSparringStore; }
+
     CreatureData& NewOrExistCreatureData(ObjectGuid::LowType spawnId) { return _creatureDataStore[spawnId]; }
     void DeleteCreatureData(ObjectGuid::LowType spawnId);
     [[nodiscard]] ObjectGuid GetLinkedRespawnGuid(ObjectGuid guid) const
@@ -1526,6 +1532,8 @@ private:
     PageTextContainer _pageTextStore;
     InstanceTemplateContainer _instanceTemplateStore;
 
+    CreatureSparringContainer _creatureSparringStore;
+
 private:
     void LoadScripts(ScriptsType type);
     void LoadQuestRelationsHelper(QuestRelations& map, std::string const& table, bool starter, bool go);