Core/Conditions: Implemented conditions for spawn groups

src/server/game/Maps/Map.cpp

@@ -624,6 +624,7 @@ void Map::Update(uint32 t_diff)
     if (_respawnCheckTimer <= t_diff)
     {
         ProcessRespawns();
+        UpdateSpawnGroupConditions();
         _respawnCheckTimer = sWorld->getIntConfig(CONFIG_RESPAWN_MINCHECKINTERVALMS);
     }
     else
@@ -2191,6 +2192,28 @@ bool Map::IsSpawnGroupActive(uint32 groupId) const
     return (_toggledSpawnGroupIds.find(groupId) != _toggledSpawnGroupIds.end()) != !(data->flags & SPAWNGROUP_FLAG_MANUAL_SPAWN);
 }
 
+void Map::UpdateSpawnGroupConditions()
+{
+    std::vector<uint32> const* spawnGroups = sObjectMgr->GetSpawnGroupsForMap(GetId());
+    if (!spawnGroups)
+        return;
+
+    for (uint32 spawnGroupId : *spawnGroups)
+    {
+        bool isActive = IsSpawnGroupActive(spawnGroupId);
+        bool shouldBeActive = sConditionMgr->IsMapMeetingNotGroupedConditions(CONDITION_SOURCE_TYPE_SPAWN_GROUP, spawnGroupId, this);
+        if (isActive == shouldBeActive)
+            continue;
+
+        if (shouldBeActive)
+            SpawnGroupSpawn(spawnGroupId);
+        else if (ASSERT_NOTNULL(GetSpawnGroupData(spawnGroupId))->flags & SPAWNGROUP_FLAG_DESPAWN_ON_CONDITION_FAILURE)
+            SpawnGroupDespawn(spawnGroupId);
+        else
+            SetSpawnGroupInactive(spawnGroupId);
+    }
+}
+
 void Map::AddFarSpellCallback(FarSpellCallback&& callback)
 {
     _farSpellCallbacks.Enqueue(new FarSpellCallback(std::move(callback)));