support for hot-changing radius

.timetracker

@@ -1,5 +1,5 @@
 {
- "total": 658541,
+ "total": 665981,
  "sessions": [
   {
    "begin": "2026-01-09T17:26:02+01:00",
@@ -1510,6 +1510,26 @@
    "begin": "2026-05-24T10:45:43+02:00",
    "end": "2026-05-24T11:14:02+02:00",
    "duration": 1698
+  },
+  {
+   "begin": "2026-05-24T12:55:01+02:00",
+   "end": "2026-05-24T13:15:18+02:00",
+   "duration": 1217
+  },
+  {
+   "begin": "2026-05-24T13:16:44+02:00",
+   "end": "2026-05-24T13:38:36+02:00",
+   "duration": 1312
+  },
+  {
+   "begin": "2026-05-25T02:37:48+02:00",
+   "end": "2026-05-25T02:57:49+02:00",
+   "duration": 1201
+  },
+  {
+   "begin": "2026-05-25T04:46:47+02:00",
+   "end": "2026-05-25T05:48:38+02:00",
+   "duration": 3710
   }
  ]
 }

OrekiWoofsBeehives/BlockEntities/BlockEntityReusableBeehive.cs

@@ -32,6 +32,7 @@ public class BlockEntityReusableBeehive : BlockEntityContainer, IModEntity
     private bool isInGreenhouse;
     private BlockPos? activeSwarmPos;
     private BlockPos? incomingSwarmPos;
+    private int? registeredRadius;
 
     public override InventoryBase Inventory => inventory;
     public override string InventoryClassName => "beehive";
@@ -82,6 +83,7 @@ public class BlockEntityReusableBeehive : BlockEntityContainer, IModEntity
         }
 
         plantPositionRegistry.RegisterBeehive(Pos, Config.Instance.BeehiveRadius);
+        registeredRadius = Config.Instance.BeehiveRadius;
 
         var beehivesModSystem = Api.GetOrekiWoofsBeehives();
         if (beehivesModSystem is null)
@@ -152,10 +154,29 @@ public class BlockEntityReusableBeehive : BlockEntityContainer, IModEntity
         stopwatch.LogTime(this, 0.05, "after flowers and crops");
         UpdateBeePopulationAndHoney();
         stopwatch.LogTime(this, 0.05, "after population and honey");
+        UpdateRadius();
 
         stopwatch.StopAndLogTime(this, 0.05);
     }
 
+    private void UpdateRadius()
+    {
+        if (registeredRadius == Config.Instance.BeehiveRadius)
+            return;
+            
+        var plantPositionRegistry = Api.GetPlantPositionRegistry();
+        try
+        {
+            plantPositionRegistry?.UpdateBeehiveRadius(Pos, Config.Instance.BeehiveRadius);
+        }
+        catch (Exception e)
+        {
+            Mod?.Logger.Warning("Couldn't update radius");
+            Mod?.Logger.Warning(e);
+        }
+        registeredRadius = Config.Instance.BeehiveRadius;
+    }
+
     private void ClearStaleIncomingSwarmReservation()
     {
         if (incomingSwarmPos == null)

OrekiWoofsBees.Common/IPlantPositionRegistry.cs

@@ -28,6 +28,8 @@ public interface IPlantPositionRegistry
 
     void RegisterBeehive(BlockPos pos, int radius);
 
+    void UpdateBeehiveRadius(BlockPos pos, int radius);
+
     void RemovePlantPosition(BlockPos pos, Block block);
 
     void UnregisterBeehive(BlockPos pos);

OrekiWoofsBees.Common/PlantPositionRegistryModSystem2.cs

@@ -77,6 +77,15 @@ public class PlantPositionRegistryModSystem2 : ModSystem, IPlantPositionRegistry
         beehives[key] = new BeehiveScanCursor(pos, radius);
     }
 
+    public void UpdateBeehiveRadius(BlockPos pos, int radius)
+    {
+        if (!offsetTables.ContainsKey(radius))
+            offsetTables[radius] = new ScanOffsetTable(radius);
+
+        var key = StructVec3i.FromBlockPos(pos);
+        beehives[key] = new BeehiveScanCursor(pos, radius);
+    }
+
     public void UnregisterBeehive(BlockPos pos)
     {
         var key = StructVec3i.FromBlockPos(pos);

RoamingBees/RoamingBees/Behaviors/BlockEntityBehaviorRoamingBees.cs

@@ -39,6 +39,7 @@ public class BlockEntityBehaviorRoamingBees(BlockEntity blockEntity) : BlockEnti
 
     private ClimateCondition? climate;
     private Vec3d? windVec;
+    private int? registeredRadius;
     private int onParticleTickStopwatchTriggerCount;
     private int spawnStopwatchTriggerCount;
     private readonly Stopwatch plantInfoStopwatch = new();
@@ -87,6 +88,7 @@ public class BlockEntityBehaviorRoamingBees(BlockEntity blockEntity) : BlockEnti
         plantPositionRegistry = api.GetPlantPositionRegistry();
         var radius = GetRadiusFromBlockEntity();
         plantPositionRegistry?.RegisterBeehive(Blockentity.Pos, radius);
+        registeredRadius = radius;
 
         var updateFrequency = 20;
         Blockentity.RegisterGameTickListener(OnParticleTick, updateFrequency);
@@ -116,13 +118,13 @@ public class BlockEntityBehaviorRoamingBees(BlockEntity blockEntity) : BlockEnti
         climate = Api.World.BlockAccessor.GetClimateAt(Blockentity.Pos, EnumGetClimateMode.NowValues);
     }
 
+    private readonly TreeAttribute _tempTreeAttribute = new();
     private int GetRadiusFromBlockEntity()
     {
         var radius = properties[RADIUS_ATTRIBUTE].AsInt(10);
-
+        _tempTreeAttribute.Clear();
-        var tree = new TreeAttribute();
+        Blockentity.ToTreeAttributes(_tempTreeAttribute);
-        Blockentity.ToTreeAttributes(tree);
+        radius = _tempTreeAttribute.GetAsInt(RADIUS_ATTRIBUTE, radius);
-        radius = tree.GetAsInt(RADIUS_ATTRIBUTE, radius);
         return radius;
     }
 
@@ -230,10 +232,31 @@ public class BlockEntityBehaviorRoamingBees(BlockEntity blockEntity) : BlockEnti
 
         plantInfoStopwatch.Restart();
         UpdatePlantInfo();
+        UpdateRadius();
+
         var note = $"global bees: {modSystem?.GlobalActiveBees}, registered hives: {modSystem?.BeeSpawnPacketDistributor?.SpawnHandlersCount}, radius: {Config.Instance.BeeRoamingRadius}";
         plantInfoStopwatch.StopAndLogTime(this, 0.1, note);
     }
 
+    private void UpdateRadius()
+    {
+        var radius = GetRadiusFromBlockEntity();
+        if (registeredRadius == radius)
+            return;
+            
+        var plantPositionRegistry = Api.GetPlantPositionRegistry();
+        try
+        {
+            plantPositionRegistry?.UpdateBeehiveRadius(Pos, radius);
+        }
+        catch (Exception e)
+        {
+            Mod?.Logger.Warning("Couldn't update radius");
+            Mod?.Logger.Warning(e);
+        }
+        registeredRadius = radius;
+    }
+
     private bool ShouldTick()
     {
         if (Block is BlockSkep && !Config.Instance.EnableOnVanillaSkeps)