Minor improvement of the NavigationTest scene.

HexGrid.cs

@@ -243,6 +243,7 @@ public class HexGrid : Resource
             FindPathCheckedCells++;
             HexCell currentHex = new HexCell(frontier.Dequeue());
             Vector2 currentAxial = currentHex.AxialCoords;
+            
             if (currentHex == goalHex)
             {
                 break;
@@ -282,6 +283,7 @@ public class HexGrid : Resource
         
         if (!cameFrom.ContainsKey(goalHex.AxialCoords))
         {
+            GD.Print("Failed to find path from " + startHex + " to " + goalHex);
             return new List<HexCell>();
         }
 

scenes/Game.cs

@@ -344,7 +344,6 @@ public class Game : Spatial
         _worldTextureRect.Texture = newWorldTexture;
         _tileMaterial.SetShaderParam("MapAlbedoTexture", newWorldTexture);
         _tileMaterial.SetShaderParam("TextureSize", (int)_tileWorld.ColormapImage.GetSize().x);
-        GD.Print("Texture size: " + (int)_tileWorld.ColormapImage.GetSize().x);
 
         ImageTexture newHeightTexture = new ImageTexture();
         newHeightTexture.CreateFromImage(_tileWorld.HeightmapImage,

scenes/TileWorld.cs

@@ -43,6 +43,7 @@ public class TileWorld : Spatial
     public float HeightScale = 2.0f;
     public Image HeightmapImage;
     public Image ColormapImage;
+    public Image NavigationmapImage;
     public int Seed = 0;
     public Spatial Entities;
     public HexGrid HexGrid;
@@ -124,15 +125,12 @@ public class TileWorld : Spatial
         HeightmapImage.FillRect(new Rect2(0, 0, size, size), Colors.ForestGreen);
         _heightmapOffscreenTextureRect.SetSize(sizeVector);
         _heightmapOffscreenViewport.Size = sizeVector;
+
+        NavigationmapImage = new Image();
+        NavigationmapImage.Create(size, size, false, Image.Format.Rgb8);
+        NavigationmapImage.FillRect(new Rect2(0, 0, size, size), new Color(1, 1, 1));
     }
 
-    public void PrintTextureSizes()
-    {
-        GD.Print("Color Viewport:        " + _worldOffscreenViewport.Size);
-        GD.Print("Color TextureRect:     " + _worldOffscreenTextureRect.Texture.GetSize());
-        GD.Print("Heightmap Viewport:    " + _heightmapOffscreenViewport.Size);
-        GD.Print("Heightmap TextureRect: " + _heightmapOffscreenTextureRect.Texture.GetSize());
-    }
 
     public void Generate(int size)
     {
@@ -314,6 +312,14 @@ public class TileWorld : Spatial
         return (color.r == 0 && color.g == 0 && color.b > 0.01);
     }
 
+    public void MarkCellUnwalkable(HexCell cell)
+    {
+        HexGrid.AddObstacle(cell);
+        NavigationmapImage.Lock();
+        NavigationmapImage.SetPixelv(OffsetToTextureCoord(cell.OffsetCoords), Colors.Red);
+        NavigationmapImage.Unlock();
+    }
+    
     private void PopulateEnvironment()
     {
         Random environmentRandom = new Random(Seed);
@@ -336,7 +342,7 @@ public class TileWorld : Spatial
                     if (rockAsset != null)
                     {
                         _environmentNode.AddChild(rockAsset);
-                        HexGrid.AddObstacle(cell);
+                        MarkCellUnwalkable(cell);
                     }
                 }
                 else if (IsColorEqualApprox(colorValue, GrassColor))
@@ -351,7 +357,7 @@ public class TileWorld : Spatial
                     if (treeAsset != null)
                     {
                         Entities.AddChild(treeAsset);
-                        HexGrid.AddObstacle(cell);
+                        MarkCellUnwalkable(cell);
                     }
                     else if (environmentRandom.NextDouble() < 0.01)
                     {
@@ -361,12 +367,12 @@ public class TileWorld : Spatial
                         assetTransform.origin.y += 1.2f;
                         chestAsset.Transform = assetTransform;
                         Entities.AddChild(chestAsset);
-                        HexGrid.AddObstacle(cell);
+                        MarkCellUnwalkable(cell);
                     }
                 }
                 else if (IsColorWater(colorValue))
                 {
-                    HexGrid.AddObstacle(cell);
+                    MarkCellUnwalkable(cell);
                 }
             }
         }
@@ -473,8 +479,6 @@ public class TileWorld : Spatial
         ColormapImage.Lock();
         ColormapImage.SetPixel((int)textureCoord.x, (int)textureCoord.y, color);
         ColormapImage.Unlock();
-
-        OnMapGenerationComplete();
     }
 
     public Vector2 WorldToOffsetCoords(Vector3 worldCoord)

scenes/tests/EditorUI.cs

@@ -16,27 +16,34 @@ public class EditorUI : Control
     private Button _grassButton;
     private Button _sandButton;
     private Button _waterButton;
+    private Button _obstacleButton;
+    private Button _navigateButton;
+    private ShaderMaterial _tileMaterial;
 
     private CheckBox _gameGeometryCheckBox;
     private CheckBox _physicsGeometryCheckBox;
+    private CheckBox _navigationGeometryCheckBox;
 
     private TileWorld _tileWorld;
     private StreamContainer _streamContainer;
 
-    private enum TileType
+    public enum InputMode
     {
         None,
         Grass,
         Sand,
-        Water
+        Water,
+        Obstacle,
+        Navigate
     }
-    private TileType _currentTileType = TileType.None;
+    public InputMode CurrentInputMode = InputMode.None;
     
     // Called when the node enters the scene tree for the first time.
     public override void _Ready()
     {
         _tileWorld = (TileWorld) GetNode(World);
         _streamContainer = (StreamContainer)GetNode(StreamContainer);
+        _tileMaterial = GD.Load<ShaderMaterial>("materials/HexTileTextureLookup.tres");
         
         // signals
         _resetButton = (Button) FindNode("ResetButton");
@@ -51,11 +58,20 @@ public class EditorUI : Control
         _waterButton = (Button) FindNode("WaterButton");
         _waterButton.Connect("pressed", this, nameof(OnWaterButton));
 
+        _obstacleButton = (Button) FindNode("ObstacleButton");
+        _obstacleButton.Connect("pressed", this, nameof(OnObstacleButton));
+
+        _navigateButton = (Button) FindNode("NavigateButton");
+        _navigateButton.Connect("pressed", this, nameof(OnNavigateButton));
+        
         _gameGeometryCheckBox = (CheckBox)FindNode("GameGeometryCheckBox");
         _gameGeometryCheckBox.Connect("toggled", this, nameof(OnGameGeometryCheckBoxToggled));
         
         _physicsGeometryCheckBox = (CheckBox)FindNode("PhysicsGeometryCheckBox");
         _physicsGeometryCheckBox.Connect("toggled", this, nameof(OnPhysicsGeometryCheckBoxToggled));
+        
+        _navigationGeometryCheckBox = (CheckBox)FindNode("NavigationGeometryCheckBox");
+        _navigationGeometryCheckBox.Connect("toggled", this, nameof(OnNavigationGeometryCheckBoxToggled));
     }
 
 
@@ -63,25 +79,38 @@ public class EditorUI : Control
     {
         GD.Print("Resetting Map");
         _tileWorld.Seed = _tileWorld.Seed + 1;
-        _tileWorld.Generate(12);
+        _tileWorld.Generate(24);
     }
 
     public void OnGrassButton()
     {
-        _currentTileType = TileType.Grass;
+        CurrentInputMode = InputMode.Grass;
     }
 
     public void OnSandButton()
     {
-        _currentTileType = TileType.Sand;
+        CurrentInputMode = InputMode.Sand;
 
     }
 
     public void OnWaterButton()
     {
-        _currentTileType = TileType.Water;
+        CurrentInputMode = InputMode.Water;
     }
     
+    
+    public void OnObstacleButton()
+    {
+        CurrentInputMode = InputMode.Obstacle;
+    }
+
+    
+    public void OnNavigateButton()
+    {
+        CurrentInputMode = InputMode.Navigate;
+    }
+    
+
     public void OnGameGeometryCheckBoxToggled(bool pressed)
     {
         Array gameGeometries = GetTree().GetNodesInGroup("GameGeometry");
@@ -107,16 +136,48 @@ public class EditorUI : Control
         }
     }
     
-    public void OnTileClicked(Vector2 offsetCoord)
+        
+    public void OnNavigationGeometryCheckBoxToggled(bool pressed)
     {
-        switch (_currentTileType)
+        UpdateTileMaterial();
+    }
+
+    public void UpdateTileMaterial()
+    {
+        if (_navigationGeometryCheckBox.Pressed)
         {
-            case TileType.Grass:_tileWorld.SetTileColorAtOffset(currentTileOffset, Colors.Green);
+            ImageTexture newWorldTexture = new ImageTexture();
-                break; 
+            newWorldTexture.CreateFromImage(_tileWorld.NavigationmapImage,
-            case TileType.Water:_tileWorld.SetTileColorAtOffset(currentTileOffset, Colors.Blue);
+                (uint)(Texture.FlagsEnum.Mipmaps | Texture.FlagsEnum.Repeat));
-                break; 
+            _tileMaterial.SetShaderParam("MapAlbedoTexture", newWorldTexture);
-            case TileType.Sand:_tileWorld.SetTileColorAtOffset(currentTileOffset, Colors.Yellow);
+            _tileMaterial.SetShaderParam("TextureSize", (int)_tileWorld.NavigationmapImage.GetSize().x);
-                break; 
+        }
+        else
+        {
+            ImageTexture newWorldTexture = new ImageTexture();
+            newWorldTexture.CreateFromImage(_tileWorld.ColormapImage,
+                (uint)(Texture.FlagsEnum.Mipmaps | Texture.FlagsEnum.Repeat));
+            _tileMaterial.SetShaderParam("MapAlbedoTexture", newWorldTexture);
+            _tileMaterial.SetShaderParam("TextureSize", (int)_tileWorld.ColormapImage.GetSize().x);
         }
     }
+    
+    
+    public void OnTileClicked(Vector2 offsetCoord)
+    {
+        switch (CurrentInputMode)
+        {
+            case InputMode.Grass:_tileWorld.SetTileColorAtOffset(currentTileOffset, Colors.Green);
+                break; 
+            case InputMode.Water:_tileWorld.SetTileColorAtOffset(currentTileOffset, Colors.Blue);
+                break; 
+            case InputMode.Sand:_tileWorld.SetTileColorAtOffset(currentTileOffset, Colors.Yellow);
+                break; 
+            case InputMode.Obstacle:
+                _tileWorld.MarkCellUnwalkable(HexCell.FromOffsetCoords(offsetCoord));
+                break; 
+        }
+        
+        UpdateTileMaterial();
+    }
 }

scenes/tests/NavigationTests.cs

@@ -58,8 +58,8 @@ public class NavigationTests : Spatial
         foreach (Spatial entity in entities)
         {
             Vector2 entityPlaneCoords = new Vector2(entity.GlobalTranslation.x, entity.GlobalTranslation.z);
-            HexCell entityCell = _hexGrid.GetHexAt(entityPlaneCoords);
+            HexCell entityCell = _tileWorld.HexGrid.GetHexAt(entityPlaneCoords);
-            _tileWorld.HexGrid.AddObstacle(entityCell);
+            _tileWorld.MarkCellUnwalkable(entityCell);
             Vector2 cellPlaneCoords = _hexGrid.GetHexCenterFromOffset(entityCell.OffsetCoords);
             Vector3 entityGlobalTranslation = entity.GlobalTranslation;
             entityGlobalTranslation.x = cellPlaneCoords.x;
@@ -85,6 +85,8 @@ public class NavigationTests : Spatial
             (uint)(Texture.FlagsEnum.Mipmaps | Texture.FlagsEnum.Repeat));
         _tileMaterial.SetShaderParam("MapAlbedoTexture", newWorldTexture);
         _tileMaterial.SetShaderParam("TextureSize", (int)_tileWorld.ColormapImage.GetSize().x);
+
+        CorrectEntityGridPositions();
     }
 
 
@@ -125,6 +127,11 @@ public class NavigationTests : Spatial
         if (_editorUi != null)
         {
             _editorUi.OnTileClicked(tile.OffsetCoords);
+
+            if (_editorUi.CurrentInputMode == EditorUI.InputMode.Navigate)
+            {
+                _playerNavigationComponent.FindPath(_player, _player.GlobalTranslation, tile.GlobalTranslation);
+            }
         }
     }
 

ui/EditorUI.tscn

@@ -4,7 +4,7 @@
 
 [sub_resource type="ButtonGroup" id=4]
 resource_local_to_scene = false
-resource_name = "TileTypeButtonGroup"
+resource_name = "InputTypeButtonGroup"
 
 [node name="EditorUI" type="Control"]
 anchor_right = 1.0
@@ -56,6 +56,22 @@ toggle_mode = true
 group = SubResource( 4 )
 text = "Sand"
 
+[node name="ObstacleButton" type="Button" parent="HBoxContainer"]
+margin_left = 244.0
+margin_right = 313.0
+margin_bottom = 25.0
+toggle_mode = true
+group = SubResource( 4 )
+text = "Obstacle"
+
+[node name="NavigateButton" type="Button" parent="HBoxContainer"]
+margin_left = 317.0
+margin_right = 384.0
+margin_bottom = 25.0
+toggle_mode = true
+group = SubResource( 4 )
+text = "Navigate"
+
 [node name="ViewFlagsContainer" type="HBoxContainer" parent="."]
 anchor_top = 1.0
 anchor_bottom = 1.0
@@ -79,3 +95,9 @@ margin_left = 104.0
 margin_right = 180.0
 margin_bottom = 40.0
 text = "Physics"
+
+[node name="NavigationGeometryCheckBox" type="CheckBox" parent="ViewFlagsContainer"]
+margin_left = 184.0
+margin_right = 279.0
+margin_bottom = 40.0
+text = "Navigation"