Added SceneTileChunk that is used in WorldView to manage state needed for the visible part of a chunk.

assets/TestHeightmap.png.import

@@ -0,0 +1,37 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path.s3tc="res://.import/TestHeightmap.png-6cbcc94e211273dff5857931034e368e.s3tc.stex"
+path.etc2="res://.import/TestHeightmap.png-6cbcc94e211273dff5857931034e368e.etc2.stex"
+metadata={
+"imported_formats": [ "s3tc", "etc2" ],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://assets/TestHeightmap.png"
+dest_files=[ "res://.import/TestHeightmap.png-6cbcc94e211273dff5857931034e368e.s3tc.stex", "res://.import/TestHeightmap.png-6cbcc94e211273dff5857931034e368e.etc2.stex" ]
+
+[params]
+
+compress/mode=2
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=true
+flags/filter=true
+flags/mipmaps=true
+flags/anisotropic=false
+flags/srgb=1
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+process/normal_map_invert_y=false
+stream=false
+size_limit=0
+detect_3d=false
+svg/scale=1.0

assets/TestHeightmap.tres

@@ -0,0 +1,5 @@
+[gd_resource type="StreamTexture" format=2]
+
+[resource]
+flags = 20
+load_path = "res://.import/TestHeightmap.png-6cbcc94e211273dff5857931034e368e.stex"

icon.png.import

@@ -25,7 +25,7 @@ flags/repeat=true
 flags/filter=true
 flags/mipmaps=true
 flags/anisotropic=false
-flags/srgb=2
+flags/srgb=1
 process/fix_alpha_border=true
 process/premult_alpha=false
 process/HDR_as_SRGB=false

scenes/Game.cs

@@ -122,6 +122,8 @@ public class Game : Spatial
         _player.TaskQueueComponent.Connect("StartInteraction", _interactionSystem,
             nameof(_interactionSystem.OnStartInteraction));
         _player.Connect("GoldCountChanged", this, nameof(OnGoldCountChanged));
+        _worldView.Connect("TileClicked", this, nameof(OnTileClicked));
+        _worldView.Connect("TileHovered", this, nameof(OnTileHovered));
 
         // register entity events
         foreach (Node node in GetNode("Entities").GetChildren())

scenes/Game.tscn

@@ -329,6 +329,7 @@ flip_v = true
 visible = false
 
 [node name="StreamContainer" parent="." instance=ExtResource( 1 )]
+visible = false
 ShowHexTiles = true
 
 [node name="Camera" parent="." instance=ExtResource( 3 )]
@@ -339,6 +340,9 @@ script = ExtResource( 15 )
 [node name="Player" parent="." instance=ExtResource( 2 )]
 TileWorldNode = NodePath("../TileWorld")
 
+[node name="Skeleton" parent="Player/Geometry/Armature" index="0"]
+bones/4/bound_children = [  ]
+
 [node name="ToolAttachement" parent="Player/Geometry/Armature/Skeleton" index="5"]
 transform = Transform( 1, 8.68458e-08, -1.04308e-07, 1.74623e-07, -1, -1.30385e-07, 1.41561e-07, 1.50874e-07, -1, -0.72, 0.45, 3.28113e-08 )
 

scenes/HexTile3D.tscn

@@ -23,7 +23,6 @@ script = ExtResource( 1 )
 
 [node name="Mesh" type="MeshInstance" parent="." groups=["GameGeometry"]]
 transform = Transform( -4.37114e-08, 0, 1, 0, 1, 0, -1, 0, -4.37114e-08, 0, -2.5, 0 )
-visible = false
 mesh = ExtResource( 3 )
 material/0 = ExtResource( 2 )
 

scenes/HexTile3DPatch.tscn

@@ -5,7 +5,6 @@
 [node name="Spatial" type="Spatial"]
 
 [node name="HexTile3D1" parent="." instance=ExtResource( 1 )]
-transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0 )
 
 [node name="HexTile3D2" parent="." instance=ExtResource( 1 )]
 transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0.866 )

scenes/World.cs

@@ -2,15 +2,27 @@ using Godot;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Linq;
 using Godot.Collections;
 
 public class World : Spatial
 {
+    public enum GenerationState
+    {
+        Undefined,
+        Heightmap,
+        TileType,
+        Objects,
+        Done
+    }
+    public GenerationState State = GenerationState.Done;
+    
     // referenced scenes
     private PackedScene _worldChunkScene = GD.Load<PackedScene>("res://scenes/WorldChunk.tscn");
 
     // constants
     public const int ChunkSize = 16;
+    public int Seed = 0;
     public HexGrid HexGrid = new HexGrid();
     public Spatial Chunks;
     public Color DebugColor;
@@ -34,13 +46,15 @@ public class World : Spatial
     private Vector2 _centerPlaneCoord;
     private int[] _centerChunkCoord = { 0, 0 };
     private int[] _previousCenterChunkCoord = { 0, 0 };
-    private Rect2 _centerChunkRect2 = new Rect2();
+    private Rect2 _centerChunkRect = new Rect2();
     private Random _debugColorRandom = new Random();
     private Godot.Collections.Dictionary<Vector2, WorldChunk> _cachedWorldChunks;
     private List<Vector2> _activeChunkIndices = new();
     private List<Vector2> _addedChunkIndices = new();
     private List<Vector2> _removedChunkIndices = new();
 
+    private OpenSimplexNoise noiseGenerator = new();
+    
     public World()
     {
         Debug.Assert(ChunkSize % 2 == 0);
@@ -54,9 +68,22 @@ public class World : Spatial
         Chunks = (Spatial)FindNode("Chunks");
         Debug.Assert(Chunks != null);
 
+        InitNoiseGenerator();
+        
         SetCenterPlaneCoord(Vector2.Zero);
     }
 
+    public void InitNoiseGenerator()
+    {
+        noiseGenerator = new OpenSimplexNoise();
+
+        noiseGenerator.Seed = Seed;
+        noiseGenerator.Octaves = 1;
+        noiseGenerator.Period = 10;
+        noiseGenerator.Persistence = 0.5f;
+        noiseGenerator.Lacunarity = 2;
+    }
+
     public WorldChunk GetOrCreateWorldChunk(int xIndex, int yIndex, Color debugColor)
     {
         if (IsTileCached(xIndex, yIndex))
@@ -76,6 +103,7 @@ public class World : Spatial
     private WorldChunk CreateWorldChunk(int xIndex, int yIndex, Color debugColor)
     {
         WorldChunk result = (WorldChunk)_worldChunkScene.Instance();
+        result.SetSize(ChunkSize);
 
         Vector2 offsetCoordSouthWest = new Vector2(xIndex, yIndex) * ChunkSize;
         Vector2 offsetCoordNorthEast = offsetCoordSouthWest + new Vector2(1, 1) * (ChunkSize - 1);
@@ -102,6 +130,12 @@ public class World : Spatial
 
     public void UpdateCenterChunkFromPlaneCoord(Vector2 planeCoord)
     {
+        if (State != GenerationState.Done)
+        {
+            GD.PrintErr("Cannot update chunk to new planeCoord " + planeCoord + ": Chunk generation not yet finished!");
+            return;
+        }
+        
         // mark all chunks as retired
         Godot.Collections.Dictionary<Vector2, WorldChunk> oldCachedChunks = new(_cachedWorldChunks);
         
@@ -109,7 +143,7 @@ public class World : Spatial
         var chunkIndex = GetChunkTupleFromPlaneCoord(planeCoord);
         WorldChunk currentChunk = GetOrCreateWorldChunk(chunkIndex.Item1, chunkIndex.Item2,
             new Color(GD.Randf(), GD.Randf(), GD.Randf()));
-        _centerChunkRect2 = currentChunk.PlaneRect;
+        _centerChunkRect = currentChunk.PlaneRect;
         
         // load or create adjacent chunks
         _activeChunkIndices = new List<Vector2>();
@@ -150,7 +184,10 @@ public class World : Spatial
             }
         }
 
-        EmitSignal("OnTilesChanged", _removedChunkIndices.ToArray(), _addedChunkIndices.ToArray());
+        if (_addedChunkIndices.Count > 0)
+        {
+            State = GenerationState.Heightmap;
+        }
     }
 
     private void RemoveChunk(Vector2 cachedChunkKey)
@@ -178,15 +215,72 @@ public class World : Spatial
 
     public void SetCenterPlaneCoord(Vector2 centerPlaneCoord)
     {
-        if (!_centerChunkRect2.HasPoint(centerPlaneCoord))
+        if (!_centerChunkRect.HasPoint(centerPlaneCoord))
         {
             UpdateCenterChunkFromPlaneCoord(centerPlaneCoord);
         }
     }
 
-//  // Called every frame. 'delta' is the elapsed time since the previous frame.
+  public override void _Process(float delta)
-//  public override void _Process(float delta)
+  {
-//  {
+      GenerationState oldState = State;
-//      
+      
-//  }
+      if (State == GenerationState.Heightmap)
+      {
+          // generate heightmap for all new chunks
+          foreach (Vector2 chunkIndex in _addedChunkIndices)
+          {
+              WorldChunk chunk = _cachedWorldChunks[chunkIndex];
+              Color debugChunkColor = new Color(Mathf.Abs(chunkIndex.x) / 5, Mathf.Abs(chunkIndex.y) / 5, Mathf.RoundToInt(Mathf.Abs(chunkIndex.x + chunkIndex.y)) % 2);
+              
+              GD.Print("Generating for offset " + chunkIndex + " chunk: " + chunk + " debugChunkColor: " + debugChunkColor);
+             
+              ImageTexture noiseImageTexture = new ImageTexture();
+              noiseImageTexture.CreateFromImage(noiseGenerator.GetImage(ChunkSize, ChunkSize, chunkIndex * ChunkSize), (uint) 0);
+              
+              // Debug Texture
+              Image simpleImage = new Image();
+              simpleImage.Create(ChunkSize, ChunkSize, false, Image.Format.Rgb8);
+              simpleImage.Lock();
+
+              foreach (int i in Enumerable.Range(0, ChunkSize))
+              {
+                  foreach (int j in Enumerable.Range(0, ChunkSize))
+                  {
+                      if ((i + j) % 2 == 0)
+                      {
+                          simpleImage.SetPixelv(new Vector2(i, j), Colors.Aqua);
+                      }
+                      else
+                      {
+                          simpleImage.SetPixelv(new Vector2(i, j), debugChunkColor);                          
+                      }
+                  }
+              }
+
+              simpleImage.Unlock();
+              // noiseImageTexture.CreateFromImage(simpleImage, 0);
+              chunk.SetHeightmap(noiseImageTexture);
+          }
+          
+          // assign height map images
+          
+          State = GenerationState.TileType;
+      } else if (State == GenerationState.TileType)
+      {
+          // assign tile type images
+
+          State = GenerationState.Objects;
+      } else if (State == GenerationState.Objects)
+      {
+          // generate objects
+
+          State = GenerationState.Done;
+      }
+
+      if (oldState != GenerationState.Done && State == GenerationState.Done)
+      {
+          EmitSignal("OnTilesChanged", _removedChunkIndices.ToArray(), _addedChunkIndices.ToArray());
+      }
+  }
 }

scenes/WorldChunk.cs

@@ -3,6 +3,7 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
+using System.Linq;
 
 public class WorldChunk : Spatial
 {
@@ -17,7 +18,7 @@ public class WorldChunk : Spatial
     [Export] public Texture TileTypeMap;
     [Export] public Texture NavigationMap;
     [Export] public Texture HeightMap;
-    [Export] public readonly int size = 32;
+    [Export] public int Size = 32;
 
     [Export] public Vector2 ChunkAddress;
     // [Export] public Vector2 Size = new Vector2(1, 1);
@@ -28,15 +29,29 @@ public class WorldChunk : Spatial
     // other members
     public Rect2 PlaneRect;
     public Color DebugColor = Colors.White;
+    public Viewport TileTypeOffscreenViewport;
+    public bool NoiseTextureCheckerboardOverlay = true;
+
+    private TextureRect _heightmapRect;
+    private SpatialMaterial _rectMaterial = new SpatialMaterial();
     
     public WorldChunk()
     {
-        
     }
 
     public WorldChunk(int size)
     {
+        SetSize(size);
+    }
 
+    public void SetSize(int size)
+    {
+        Size = size;
+
+        if (TileTypeOffscreenViewport != null)
+        {
+            TileTypeOffscreenViewport.Size = Vector2.One * size;            
+        }
     }
 
     // other members
@@ -44,42 +59,97 @@ public class WorldChunk : Spatial
     {
         Image image = new Image();
 
-        image.CreateFromData(size, size, false, Image.Format.Rgba8, TileTypeMap.GetData().GetData());
+        image.CreateFromData(Size, Size, false, Image.Format.Rgba8, TileTypeMap.GetData().GetData());
         image.SavePng(chunkName + "_tileType.png");
 
-        image.CreateFromData(size, size, false, Image.Format.Rgba8, NavigationMap.GetData().GetData());
+        image.CreateFromData(Size, Size, false, Image.Format.Rgba8, NavigationMap.GetData().GetData());
         image.SavePng(chunkName + "_navigationMap.png");
 
-        image.CreateFromData(size, size, false, Image.Format.Rgba8, HeightMap.GetData().GetData());
+        image.CreateFromData(Size, Size, false, Image.Format.Rgba8, HeightMap.GetData().GetData());
         image.SavePng(chunkName + "_heightMap.png");
     }
 
     public void LoadFromFile(String chunkName)
     {
-        
     }
 
     // Called when the node enters the scene tree for the first time.
     public override void _Ready()
     {
-        PlaneRectMesh = (MeshInstance) FindNode("PlaneRectMesh");
+        PlaneRectMesh = (MeshInstance)FindNode("PlaneRectMesh");
         Debug.Assert(PlaneRectMesh != null);
 
         Transform planeRectTransform = Transform.Identity;
-        planeRectTransform = planeRectTransform.Scaled(new Vector3(PlaneRect.Size.x * 0.5f, 1, PlaneRect.Size.y * 0.5f));
+        planeRectTransform =
+            planeRectTransform.Scaled(new Vector3(PlaneRect.Size.x, 0.125f, PlaneRect.Size.y));
         planeRectTransform.origin.x = PlaneRect.GetCenter().x;
+        
         planeRectTransform.origin.z = PlaneRect.GetCenter().y;
 
         PlaneRectMesh.Transform = planeRectTransform;
 
-        PlaneRectMesh.MaterialOverride = new SpatialMaterial();
+//        PlaneRectMesh.MaterialOverride = new SpatialMaterial();
-        ((SpatialMaterial)PlaneRectMesh.MaterialOverride).AlbedoColor = DebugColor;
+//        ((SpatialMaterial)PlaneRectMesh.MaterialOverride).AlbedoColor = DebugColor;
-        ((SpatialMaterial)PlaneRectMesh.MaterialOverride).FlagsTransparent = true;
+//        ((SpatialMaterial)PlaneRectMesh.MaterialOverride).FlagsTransparent = true;
+
+        TileTypeOffscreenViewport = (Viewport)FindNode("TileTypeOffscreenViewport");
+        TileTypeOffscreenViewport.Size = Vector2.One * Size;
+        Debug.Assert(TileTypeOffscreenViewport != null);
+
+        _heightmapRect = (TextureRect)FindNode("HeightmapTexture");
     }
 
-//  // Called every frame. 'delta' is the elapsed time since the previous frame.
+    public void SetHeightmap(Texture texture)
-//  public override void _Process(float delta)
+    {
-//  {
+        GD.Print("Setting HeightmapRect Texture: " + _heightmapRect + " with size " + _heightmapRect.GetSize());
-//      
+        _heightmapRect.Texture = texture;
-//  }
+    }
+    
+// Called every frame. 'delta' is the elapsed time since the previous frame.
+    public override void _Process(float delta)
+    {
+        Texture tileTypeTexture = TileTypeOffscreenViewport.GetTexture();
+ 
+        if (NoiseTextureCheckerboardOverlay)
+        {
+            Image tileTypeImage = tileTypeTexture.GetData();
+            tileTypeImage.Lock();
+                  
+            foreach (int i in Enumerable.Range(0, Size))
+            {
+                foreach (int j in Enumerable.Range(0, Size))
+                {
+                    Vector2 textureCoord = new Vector2(i, j);
+                    Color baseColor = tileTypeImage.GetPixelv(textureCoord);
+                          
+                    if ((i + j) % 2 == 0)
+                    {
+                        tileTypeImage.SetPixelv(textureCoord, baseColor);
+                    }
+                    else
+                    {
+                        tileTypeImage.SetPixelv(textureCoord, baseColor * 0.6f);                          
+                    }
+                }
+            }
+                  
+            tileTypeImage.Unlock();
+            ImageTexture imageTexture = new ImageTexture();
+            imageTexture.CreateFromImage(tileTypeImage, (uint) 0);
+            tileTypeTexture = imageTexture;
+        }
+
+        _rectMaterial.AlbedoTexture = tileTypeTexture;
+        
+        _rectMaterial.FlagsTransparent = true;
+//        _rectMaterial.AlbedoTexture = _heightmapRect.Texture;
+        _rectMaterial.Uv1Scale = new Vector3(-3, -2, 1);
+        _rectMaterial.Uv1Offset = Vector3.One * 2;
+        
+        //RectMaterial.Uv1Triplanar = true;
+        PlaneRectMesh.SetSurfaceMaterial(0, _rectMaterial);
+        
+        TileTypeOffscreenViewport.RenderTargetUpdateMode = Viewport.UpdateMode.Once;
+        PlaneRectMesh.MaterialOverride = null;
+    }
 }

scenes/WorldChunk.tscn

@@ -1,11 +1,29 @@
-[gd_scene load_steps=4 format=2]
+[gd_scene load_steps=9 format=2]
 
 [ext_resource path="res://scenes/WorldChunk.cs" type="Script" id=1]
+[ext_resource path="res://materials/IslandColorRampShader.tres" type="Material" id=2]
+[ext_resource path="res://assets/TestHeightmap.tres" type="Texture" id=3]
+[ext_resource path="res://assets/4x4checkerColor.png" type="Texture" id=4]
 
 [sub_resource type="CubeMesh" id=27]
-size = Vector3( 2, 0.5, 2 )
+size = Vector3( 1, 1, 1 )
 
 [sub_resource type="SpatialMaterial" id=28]
+flags_transparent = true
+albedo_color = Color( 1, 1, 1, 0.501961 )
+albedo_texture = ExtResource( 4 )
+uv1_scale = Vector3( -3, -2, 0 )
+uv1_offset = Vector3( 2, 2, 0 )
+
+[sub_resource type="OpenSimplexNoise" id=29]
+octaves = 1
+period = 9.0
+persistence = 0.0
+
+[sub_resource type="NoiseTexture" id=30]
+width = 8
+height = 8
+noise = SubResource( 29 )
 
 [node name="WorldChunk" type="Spatial"]
 script = ExtResource( 1 )
@@ -13,5 +31,37 @@ script = ExtResource( 1 )
 [node name="Entities" type="Spatial" parent="."]
 
 [node name="PlaneRectMesh" type="MeshInstance" parent="."]
+transform = Transform( 2, 0, 0, 0, 0.125, 0, 0, 0, 2, 0, -0.1, 0 )
 mesh = SubResource( 27 )
 material/0 = SubResource( 28 )
+
+[node name="TileTypeOffscreenViewport" type="Viewport" parent="."]
+size = Vector2( 8, 8 )
+transparent_bg = true
+handle_input_locally = false
+hdr = false
+disable_3d = true
+usage = 0
+render_target_v_flip = true
+render_target_update_mode = 3
+shadow_atlas_quad_0 = 0
+shadow_atlas_quad_1 = 0
+shadow_atlas_quad_2 = 0
+shadow_atlas_quad_3 = 0
+
+[node name="NoiseTexture" type="TextureRect" parent="TileTypeOffscreenViewport"]
+visible = false
+margin_right = 40.0
+margin_bottom = 40.0
+texture = SubResource( 30 )
+
+[node name="IslandShader" type="TextureRect" parent="TileTypeOffscreenViewport"]
+material = ExtResource( 2 )
+margin_right = 100.0
+margin_bottom = 100.0
+
+[node name="HeightmapTexture" type="TextureRect" parent="TileTypeOffscreenViewport/IslandShader"]
+use_parent_material = true
+margin_right = 100.0
+margin_bottom = 100.0
+texture = ExtResource( 3 )

scenes/WorldView.cs

@@ -1,3 +1,4 @@
+using System.Linq;
 using Godot;
 using Godot.Collections;
 
@@ -14,11 +15,63 @@ public class WorldView : Spatial
     [Export] public Vector2 ViewCenterPlaneCoord;
 
     // signals
-    // delegate void OnCoordClicked(Vector2 world_pos);
+    [Signal]
+    delegate void TileClicked(HexTile3D tile3d);
+    [Signal]
+    delegate void TileHovered(HexTile3D tile3d);
 
     // other members
     private World _world;
     
+    private class SceneTileChunk : Spatial
+    {
+        private Vector2 _chunkIndex = Vector2.Inf;
+        public Vector2 ChunkIndex
+        {
+            get
+            {
+                return _chunkIndex;
+            }
+
+            set
+            {
+                Transform chunkTransform = Transform.Identity;
+                Vector2 chunkOriginPlaneCoord = HexGrid.GetHexCenterFromOffset(value * global::World.ChunkSize);
+                chunkTransform.origin = new Vector3(chunkOriginPlaneCoord.x, 0, chunkOriginPlaneCoord.y);
+                Transform = chunkTransform;
+                _chunkIndex = value;
+            }
+        }
+        
+        public Array<HexTile3D> TileNodes = new();
+
+        private PackedScene _hexTile3DScene = GD.Load<PackedScene>("res://scenes/HexTile3D.tscn");
+        private HexGrid HexGrid = new();
+        
+        public SceneTileChunk(Vector2 chunkIndex, int size)
+        {
+            foreach (int i in Enumerable.Range(0, size))
+            {
+                foreach (int j in Enumerable.Range(0, size))
+                {
+                    HexTile3D tile3D = (HexTile3D)_hexTile3DScene.Instance();
+
+                    Transform tileTransform = Transform.Identity;
+                    Vector2 centerPlaneCoord = HexGrid.GetHexCenterFromOffset(new Vector2(i, j));
+                    tileTransform.origin = new Vector3(centerPlaneCoord.x, 0, centerPlaneCoord.y);
+                    tile3D.Transform = tileTransform;
+
+                    TileNodes.Add(tile3D);
+                    AddChild(tile3D);
+                }
+            }
+
+            ChunkIndex = chunkIndex;
+        }
+    }
+
+    private Array<SceneTileChunk> _sceneTileChunks = new Array<SceneTileChunk>();
+
     // Called when the node enters the scene tree for the first time.
     public override void _Ready()
     {
@@ -27,14 +80,88 @@ public class WorldView : Spatial
         _world.Connect("OnTilesChanged", this, nameof(HandleWorldTileChange));
     }
 
+
     public override void _Process(float delta)
     {
     }
 
+    SceneTileChunk CreateSceneTileChunk(Vector2 chunkIndex)
+    {
+        SceneTileChunk sceneTileChunk = new SceneTileChunk(chunkIndex, global::World.ChunkSize);
+
+        foreach (HexTile3D hexTile3D in sceneTileChunk.TileNodes)
+        {
+            hexTile3D.Connect("TileClicked", this, nameof(OnTileClicked));
+            hexTile3D.Connect("TileHovered", this, nameof(OnTileHovered));
+        }
+        
+        return sceneTileChunk;
+    }
+
+    SceneTileChunk RemoveChunkFromScene(Vector2 chunkIndex)
+    {
+        foreach (Spatial child in GetChildren())
+        {
+            SceneTileChunk sceneTileChunk = child as SceneTileChunk;
+            if (sceneTileChunk == null)
+            {
+                RemoveChild(child);
+                continue;
+            }
+
+            if (sceneTileChunk.ChunkIndex == chunkIndex)
+            {
+                return sceneTileChunk;
+            }
+        }
+
+        return null;
+    }
+
     private void HandleWorldTileChange(Array<Vector2> removedChunkIndices, Array<Vector2> addedChunkIndices)
     {
+        Array<SceneTileChunk> removedChunks = new();
+        foreach (Vector2 chunkIndex in removedChunkIndices)
+        {
+            SceneTileChunk chunk = RemoveChunkFromScene(chunkIndex);
+            if (chunk != null)
+            {
+                removedChunks.Add(chunk);
+            }
+        }
+
+        foreach (Vector2 chunkIndex in addedChunkIndices)
+        {
+            SceneTileChunk sceneTileChunk = null;
+            if (removedChunks.Count > 0)
+            {
+                sceneTileChunk = removedChunks[^1];
+                removedChunks.RemoveAt(removedChunks.Count - 1);
+                GD.Print("Reused SceneTileChunk");
+            }
+            else
+            {
+                sceneTileChunk = CreateSceneTileChunk(chunkIndex);
+                AddChild(sceneTileChunk);
+                GD.Print("Created SceneTileChunk");
+            }
+
+            sceneTileChunk.ChunkIndex = chunkIndex;
+            _sceneTileChunks.Add(sceneTileChunk);
+        }
         
         GD.Print("Removed Chunks " + removedChunkIndices.Count);
         GD.Print("Added Chunks   " + addedChunkIndices.Count);
+        GD.Print("Removed chunk count: " + removedChunks.Count);
+    }
+    
+    public void OnTileClicked(HexTile3D tile)
+    {
+        EmitSignal("TileClicked", tile);
+    }
+    
+    public void OnTileHovered(HexTile3D tile)
+    {
+        EmitSignal("TileHovered", tile);
     }
 }