Add CanLoad for biomes (#33050)

CPUJob to come later.

Content.Server/Parallax/BiomeSystem.cs

@@ -10,6 +10,7 @@ using Content.Server.Shuttles.Events;
 using Content.Server.Shuttles.Systems;
 using Content.Shared.Atmos;
 using Content.Shared.Decals;
+using Content.Shared.Ghost;
 using Content.Shared.Gravity;
 using Content.Shared.Parallax.Biomes;
 using Content.Shared.Parallax.Biomes.Layers;
@@ -51,6 +52,7 @@ public sealed partial class BiomeSystem : SharedBiomeSystem
 
     private EntityQuery<BiomeComponent> _biomeQuery;
     private EntityQuery<FixturesComponent> _fixturesQuery;
+    private EntityQuery<GhostComponent> _ghostQuery;
     private EntityQuery<TransformComponent> _xformQuery;
 
     private readonly HashSet<EntityUid> _handledEntities = new();
@@ -81,6 +83,7 @@ public sealed partial class BiomeSystem : SharedBiomeSystem
         Log.Level = LogLevel.Debug;
         _biomeQuery = GetEntityQuery<BiomeComponent>();
         _fixturesQuery = GetEntityQuery<FixturesComponent>();
+        _ghostQuery = GetEntityQuery<GhostComponent>();
         _xformQuery = GetEntityQuery<TransformComponent>();
         SubscribeLocalEvent<BiomeComponent, MapInitEvent>(OnBiomeMapInit);
         SubscribeLocalEvent<FTLStartedEvent>(OnFTLStarted);
@@ -315,6 +318,11 @@ public sealed partial class BiomeSystem : SharedBiomeSystem
         }
     }
 
+    private bool CanLoad(EntityUid uid)
+    {
+        return !_ghostQuery.HasComp(uid);
+    }
+
     public override void Update(float frameTime)
     {
         base.Update(frameTime);
@@ -332,7 +340,8 @@ public sealed partial class BiomeSystem : SharedBiomeSystem
             if (_xformQuery.TryGetComponent(pSession.AttachedEntity, out var xform) &&
                 _handledEntities.Add(pSession.AttachedEntity.Value) &&
                  _biomeQuery.TryGetComponent(xform.MapUid, out var biome) &&
-                biome.Enabled)
+                biome.Enabled &&
+                CanLoad(pSession.AttachedEntity.Value))
             {
                 var worldPos = _transform.GetWorldPosition(xform);
                 AddChunksInRange(biome, worldPos);
@@ -349,7 +358,8 @@ public sealed partial class BiomeSystem : SharedBiomeSystem
                 if (!_handledEntities.Add(viewer) ||
                     !_xformQuery.TryGetComponent(viewer, out xform) ||
                     !_biomeQuery.TryGetComponent(xform.MapUid, out biome) ||
-                    !biome.Enabled)
+                    !biome.Enabled ||
+                    !CanLoad(viewer))
                 {
                     continue;
                 }