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NitroxServer-Subnautica/GameLogic/Entities/Spawning/SubnauticaEntitySpawnPointFactory.cs

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+using System.Collections.Generic;
+using System.Linq;
+using NitroxModel.DataStructures.GameLogic;
+using NitroxModel.DataStructures.Unity;
+using NitroxModel_Subnautica.DataStructures;
+using NitroxServer.GameLogic.Entities.Spawning;
+using NitroxServer.UnityStubs;
+
+namespace NitroxServer_Subnautica.GameLogic.Entities.Spawning
+{
+    public class SubnauticaEntitySpawnPointFactory : EntitySpawnPointFactory
+    {
+        private readonly Dictionary<string, EntitySpawnPoint> spawnPointsByUid = new Dictionary<string, EntitySpawnPoint>();
+
+        public override List<EntitySpawnPoint> From(AbsoluteEntityCell absoluteEntityCell, NitroxTransform transform, GameObject gameObject)
+        {
+            List<EntitySpawnPoint> spawnPoints = new List<EntitySpawnPoint>();
+            EntitySlotsPlaceholder entitySlotsPlaceholder = gameObject.GetComponent<EntitySlotsPlaceholder>();
+
+            if (gameObject.CreateEmptyObject)
+            {
+                SerializedEntitySpawnPoint entitySpawnPoint = new(gameObject.SerializedComponents, gameObject.Layer, absoluteEntityCell, transform);
+
+                HandleParenting(spawnPoints, entitySpawnPoint, gameObject);
+                spawnPoints.Add(entitySpawnPoint);
+            }
+            else if (!ReferenceEquals(entitySlotsPlaceholder, null))
+            {
+                foreach (EntitySlotData entitySlotData in entitySlotsPlaceholder.slotsData)
+                {
+                    List<EntitySlot.Type> slotTypes = SlotsHelper.ConvertSlotTypes(entitySlotData.allowedTypes);
+                    List<string> stringSlotTypes = slotTypes.Select(s => s.ToString()).ToList();
+                    EntitySpawnPoint entitySpawnPoint = new(absoluteEntityCell,
+                                             entitySlotData.localPosition.ToDto(),
+                                             entitySlotData.localRotation.ToDto(),
+                                             stringSlotTypes,
+                                             entitySlotData.density,
+                                             entitySlotData.biomeType.ToString());
+
+
+                    HandleParenting(spawnPoints, entitySpawnPoint, gameObject);
+                }
+            }
+            else
+            {
+                EntitySpawnPoint entitySpawnPoint = new(absoluteEntityCell, transform.LocalPosition, transform.LocalRotation, transform.LocalScale, gameObject.ClassId);
+
+                HandleParenting(spawnPoints, entitySpawnPoint, gameObject);
+            }
+
+            return spawnPoints;
+        }
+
+        private void HandleParenting(List<EntitySpawnPoint> spawnPoints, EntitySpawnPoint entitySpawnPoint, GameObject gameObject)
+        {
+            if (gameObject.Parent != null && spawnPointsByUid.TryGetValue(gameObject.Parent, out EntitySpawnPoint parent))
+            {
+                entitySpawnPoint.Parent = parent;
+                parent.Children.Add(entitySpawnPoint);
+            }
+
+            spawnPointsByUid[gameObject.Id] = entitySpawnPoint;
+
+            if (gameObject.Parent == null)
+            {
+                spawnPoints.Add(entitySpawnPoint);
+            }
+        }
+    }
+}