Some progress in tile streaming prototype

project.godot

@@ -9,17 +9,17 @@
 config_version=4
 
 _global_script_classes=[ {
-"base": "Node",
+"base": "Reference",
 "class": "ClickableComponent",
 "language": "GDScript",
 "path": "res://components/ClickableComponent.gd"
 }, {
-"base": "KinematicBody2D",
+"base": "Reference",
 "class": "CollisionLine",
 "language": "GDScript",
 "path": "res://utils/CollisionLine.gd"
 }, {
-"base": "Node",
+"base": "Reference",
 "class": "ColorComponent",
 "language": "GDScript",
 "path": "res://components/ColorComponent.gd"
@@ -54,7 +54,7 @@ _global_script_classes=[ {
 "language": "GDScript",
 "path": "res://utils/SpringDamper.gd"
 }, {
-"base": "Sprite",
+"base": "Reference",
 "class": "TintedSpriteComponent",
 "language": "GDScript",
 "path": "res://components/TintedSpriteComponent.gd"

scenes/Game.cs

@@ -30,6 +30,8 @@ public class Game : Spatial
     private Player _player;
     private TileWorld _tileWorld;
     private Camera _camera;
+    private World _world;
+    private WorldView _worldView;
 
     // Resources
     private PackedScene _tileHighlightScene;
@@ -81,6 +83,9 @@ public class Game : Spatial
         _camera = (Camera)FindNode("Camera");
         _cameraOffset = _camera.GlobalTranslation - _player.GlobalTranslation;
 
+        _world = (World)FindNode("World");
+        _worldView = (WorldView)FindNode("WorldView");
+
         // populate UI values
         Slider generatorWorldSizeSlider = worldGeneratorContainer.GetNode<Slider>("HBoxContainer/WorldSizeSlider");
         generatorWorldSizeSlider.Value = _tileWorld.Size;
@@ -140,27 +145,20 @@ public class Game : Spatial
         _streamContainer.SetCenterTile(_currentTile);
     }
 
-    public void CreateTileGrid()
+
+    public override void _Input(InputEvent inputEvent)
     {
-        foreach (int x_index in Enumerable.Range(-3, 6))
+        if (inputEvent.IsAction("Forward"))
         {
-            foreach (int y_index in Enumerable.Range(0, 1))
+            GD.Print("Forward");
-            {
+        }
-                var tile = (Spatial)_tileHighlightScene.Instance();
+
-                HexCell cell = new HexCell();
+        if (inputEvent.IsAction("Back"))
-                Vector2 planeCoords = _hexGrid.GetHexCenterFromOffset(new Vector2(x_index, y_index));
+        {
-                Transform tileTransform = Transform.Identity;
+            GD.Print("Back");
-                tileTransform.origin.x = planeCoords.x;
-                tileTransform.origin.z = planeCoords.y;
-                tile.Transform = tileTransform;
-                AddChild(tile);
-                GD.Print("Added tile at offset coords " + new Vector2(x_index, y_index).ToString() +
-                         " and world coords " + tileTransform.origin.ToString());
-            }
         }
     }
 
-
     public void UpdateCurrentTile()
     {
         // cast a ray from the camera to center
@@ -180,6 +178,7 @@ public class Game : Spatial
             centerCoord.y = 0;
         }
 
+        _world.SetCenterPlaneCoord(new Vector2(_player.GlobalTranslation.x, _player.GlobalTranslation.z));
 
         _currentTile = _hexGrid.GetHexAt(new Vector2(centerCoord.x, centerCoord.z));
 

scenes/Game.tscn

@@ -1,12 +1,15 @@
-[gd_scene load_steps=13 format=2]
+[gd_scene load_steps=16 format=2]
 
 [ext_resource path="res://scenes/StreamContainer.tscn" type="PackedScene" id=1]
 [ext_resource path="res://entities/Player.tscn" type="PackedScene" id=2]
 [ext_resource path="res://scenes/Camera.tscn" type="PackedScene" id=3]
 [ext_resource path="res://ui/EditorUI.tscn" type="PackedScene" id=4]
 [ext_resource path="res://utils/TileHighlight.tscn" type="PackedScene" id=5]
+[ext_resource path="res://ui/DebugStatsContainer.gd" type="Script" id=6]
+[ext_resource path="res://scenes/World.cs" type="Script" id=7]
 [ext_resource path="res://scenes/TileWorld.tscn" type="PackedScene" id=8]
 [ext_resource path="res://scenes/Game.cs" type="Script" id=9]
+[ext_resource path="res://scenes/WorldView.cs" type="Script" id=10]
 [ext_resource path="res://ui/WorldGeneratorUI.gd" type="Script" id=12]
 [ext_resource path="res://entities/Axe.tscn" type="PackedScene" id=14]
 [ext_resource path="res://systems/InteractionSystem.cs" type="Script" id=15]
@@ -34,12 +37,12 @@ script = ExtResource( 9 )
 
 [node name="TileHighlight" parent="." instance=ExtResource( 5 )]
 transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.1, 0 )
+visible = false
 
 [node name="MouseTileHighlight" parent="." instance=ExtResource( 5 )]
-transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.3, 0 )
 
 [node name="TileWorld" parent="." instance=ExtResource( 8 )]
-GenerationMapType = 0
+GenerationMapType = 2
 
 [node name="GameUI" type="HBoxContainer" parent="."]
 anchor_left = 1.0
@@ -86,144 +89,179 @@ size_flags_vertical = 3
 [node name="DebugStatsContainer" type="GridContainer" parent="DebugContainer"]
 margin_left = 7.0
 margin_top = 7.0
-margin_right = 156.0
+margin_right = 134.0
-margin_bottom = 183.0
+margin_bottom = 165.0
 grow_horizontal = 0
 grow_vertical = 0
 mouse_filter = 2
 columns = 2
+script = ExtResource( 6 )
+
+[node name="DebugMenuButton" type="Button" parent="DebugContainer/DebugStatsContainer"]
+margin_right = 53.0
+margin_bottom = 20.0
+toggle_mode = true
+text = "Debug"
+
+[node name="VSeparator" type="VSeparator" parent="DebugContainer/DebugStatsContainer"]
+visible = false
+margin_left = 57.0
+margin_right = 61.0
+margin_bottom = 20.0
 
 [node name="Label9" type="Label" parent="DebugContainer/DebugStatsContainer"]
+visible = false
+margin_top = 24.0
 margin_right = 113.0
-margin_bottom = 14.0
+margin_bottom = 38.0
 rect_pivot_offset = Vector2( -335, -33 )
 text = "FPS"
 
 [node name="fps_label" type="Label" parent="DebugContainer/DebugStatsContainer"]
+visible = false
 margin_left = 117.0
+margin_top = 24.0
 margin_right = 149.0
-margin_bottom = 14.0
+margin_bottom = 38.0
 text = "0,0"
 
 [node name="Label" type="Label" parent="DebugContainer/DebugStatsContainer"]
-margin_top = 18.0
+visible = false
+margin_top = 42.0
 margin_right = 113.0
-margin_bottom = 32.0
+margin_bottom = 56.0
 rect_pivot_offset = Vector2( -335, -33 )
 text = "Center"
 
 [node name="center_label" type="Label" parent="DebugContainer/DebugStatsContainer"]
+visible = false
 margin_left = 117.0
-margin_top = 18.0
+margin_top = 42.0
 margin_right = 149.0
-margin_bottom = 32.0
+margin_bottom = 56.0
 text = "0,0"
 
 [node name="Label2" type="Label" parent="DebugContainer/DebugStatsContainer"]
-margin_top = 36.0
+visible = false
+margin_top = 60.0
 margin_right = 113.0
-margin_bottom = 50.0
+margin_bottom = 74.0
 text = "Tile Offset"
 
 [node name="tile_offset_label" type="Label" parent="DebugContainer/DebugStatsContainer"]
+visible = false
 margin_left = 117.0
-margin_top = 36.0
+margin_top = 60.0
 margin_right = 149.0
-margin_bottom = 50.0
+margin_bottom = 74.0
 text = "0,0"
 
 [node name="Label4" type="Label" parent="DebugContainer/DebugStatsContainer"]
-margin_top = 54.0
+visible = false
+margin_top = 78.0
 margin_right = 113.0
-margin_bottom = 68.0
+margin_bottom = 92.0
 rect_pivot_offset = Vector2( -335, -33 )
 text = "Mouse World"
 
 [node name="mouse_world_label" type="Label" parent="DebugContainer/DebugStatsContainer"]
+visible = false
 margin_left = 117.0
-margin_top = 54.0
+margin_top = 78.0
 margin_right = 149.0
-margin_bottom = 68.0
+margin_bottom = 92.0
 text = "0,0"
 
 [node name="Label6" type="Label" parent="DebugContainer/DebugStatsContainer"]
-margin_top = 72.0
+visible = false
+margin_top = 96.0
 margin_right = 113.0
-margin_bottom = 86.0
+margin_bottom = 110.0
 rect_pivot_offset = Vector2( -335, -33 )
 text = "Mouse Tile Offset"
 
 [node name="mouse_tile_offset_label" type="Label" parent="DebugContainer/DebugStatsContainer"]
+visible = false
 margin_left = 117.0
-margin_top = 72.0
+margin_top = 96.0
 margin_right = 149.0
-margin_bottom = 86.0
+margin_bottom = 110.0
 text = "0,0"
 
 [node name="Label10" type="Label" parent="DebugContainer/DebugStatsContainer"]
-margin_top = 90.0
+visible = false
+margin_top = 114.0
 margin_right = 113.0
-margin_bottom = 104.0
+margin_bottom = 128.0
 rect_pivot_offset = Vector2( -335, -33 )
 text = "Mouse Tile Cube"
 
 [node name="mouse_tile_cube_label" type="Label" parent="DebugContainer/DebugStatsContainer"]
+visible = false
 margin_left = 117.0
-margin_top = 90.0
+margin_top = 114.0
 margin_right = 149.0
-margin_bottom = 104.0
+margin_bottom = 128.0
 text = "0,0,0"
 
 [node name="Label3" type="Label" parent="DebugContainer/DebugStatsContainer"]
-margin_top = 108.0
+visible = false
+margin_top = 132.0
 margin_right = 113.0
-margin_bottom = 122.0
+margin_bottom = 146.0
 text = "#Tiles"
 
 [node name="num_tiles_label" type="Label" parent="DebugContainer/DebugStatsContainer"]
+visible = false
 margin_left = 117.0
-margin_top = 108.0
+margin_top = 132.0
 margin_right = 149.0
-margin_bottom = 122.0
+margin_bottom = 146.0
 text = "0"
 
 [node name="Label5" type="Label" parent="DebugContainer/DebugStatsContainer"]
-margin_top = 126.0
+visible = false
+margin_top = 150.0
 margin_right = 113.0
-margin_bottom = 140.0
+margin_bottom = 164.0
 text = "#Active"
 
 [node name="num_active_tiles_label" type="Label" parent="DebugContainer/DebugStatsContainer"]
+visible = false
 margin_left = 117.0
-margin_top = 126.0
+margin_top = 150.0
 margin_right = 149.0
-margin_bottom = 140.0
+margin_bottom = 164.0
 text = "0"
 
 [node name="Label7" type="Label" parent="DebugContainer/DebugStatsContainer"]
-margin_top = 144.0
+visible = false
+margin_top = 168.0
 margin_right = 113.0
-margin_bottom = 158.0
+margin_bottom = 182.0
 text = "#Tiles Added"
 
 [node name="num_coords_added_label" type="Label" parent="DebugContainer/DebugStatsContainer"]
+visible = false
 margin_left = 117.0
-margin_top = 144.0
+margin_top = 168.0
 margin_right = 149.0
-margin_bottom = 158.0
+margin_bottom = 182.0
 text = "0"
 
 [node name="Label8" type="Label" parent="DebugContainer/DebugStatsContainer"]
-margin_top = 162.0
+visible = false
+margin_top = 186.0
 margin_right = 113.0
-margin_bottom = 176.0
+margin_bottom = 200.0
 text = "#Tiles Removed"
 
 [node name="num_coords_removed_label" type="Label" parent="DebugContainer/DebugStatsContainer"]
+visible = false
 margin_left = 117.0
-margin_top = 162.0
+margin_top = 186.0
 margin_right = 149.0
-margin_bottom = 176.0
+margin_bottom = 200.0
 text = "0"
 
 [node name="Generator Container" type="Control" parent="."]
@@ -313,9 +351,20 @@ parameters/playback = SubResource( 26 )
 transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 1.79762, 0, 0 )
 input_ray_pickable = false
 
+[node name="WorldView" type="Spatial" parent="."]
+script = ExtResource( 10 )
+World = NodePath("../World")
+
+[node name="World" type="Spatial" parent="."]
+script = ExtResource( 7 )
+
+[node name="Chunks" type="Spatial" parent="World"]
+
+[connection signal="toggled" from="DebugContainer/DebugStatsContainer/DebugMenuButton" to="DebugContainer/DebugStatsContainer" method="_on_DebugMenuButton_toggled"]
 [connection signal="value_changed" from="Generator Container/WorldGeneratorContainer/HBoxContainer/WorldSizeSlider" to="Generator Container/WorldGeneratorContainer" method="_on_HSlider_value_changed"]
 [connection signal="toggled" from="Generator Container/WorldGeneratorContainer/ShowTexturesCheckButton" to="Generator Container/WorldGeneratorContainer" method="_on_ShowTexturesCheckButton_toggled"]
 
 [editable path="TileWorld"]
+[editable path="StreamContainer"]
 [editable path="Player"]
 [editable path="Player/Geometry"]

scenes/TileWorld.cs

@@ -219,7 +219,7 @@ public class TileWorld : Spatial
             foreach (int coordY in Enumerable.Range(0, Size))
             {
                 HeightmapImage.SetPixel(coordX, coordY,
-                    new Color(0, 0, 0));
+                    new Color(0.5f, 0.5f, 0.5f));
             }
         }
 

scenes/World.cs

@@ -0,0 +1,115 @@
+using Godot;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+
+public class World : Spatial
+{
+    // referenced scenes
+    private PackedScene _worldChunkScene = GD.Load<PackedScene>("res://scenes/WorldChunk.tscn");
+
+    // constants
+    public const int ChunkSize = 4;
+    public HexGrid HexGrid = new HexGrid();
+    public Spatial Chunks;
+    public Color DebugColor;
+
+    // ui elements
+
+    // scene nodes
+
+    // resources
+
+    // exports
+    // [Export] public Vector2 Size = new Vector2(1, 1);
+
+    // signals
+    // delegate void OnCoordClicked(Vector2 world_pos);
+
+    // other members
+    private Vector2 _centerPlaneCoord;
+    private int[] _centerChunkCoord = { 0, 0 };
+    private int[] _previousCenterChunkCoord = { 0, 0 };
+    private Rect2 _centerChunkRect2 = new Rect2();
+    private Random _debugColorRandom = new Random();
+    private Dictionary<Tuple<int, int>, WorldChunk> _worldChunks;
+
+    public World()
+    {
+        Debug.Assert(ChunkSize % 2 == 0);
+
+        _worldChunks = new Dictionary<Tuple<int, int>, WorldChunk>();
+    }
+
+    // Called when the node enters the scene tree for the first time.
+    public override void _Ready()
+    {
+        Chunks = (Spatial)FindNode("Chunks");
+        Debug.Assert(Chunks != null);
+        
+        SetCenterPlaneCoord(Vector2.Zero);
+    }
+
+    public WorldChunk GetOrCreateWorldChunk(int xIndex, int yIndex, Color debugColor)
+    {
+        if (_worldChunks.ContainsKey(new Tuple<int, int>(xIndex, yIndex)))
+        {
+            WorldChunk cachedChunk = _worldChunks[new Tuple<int, int>(xIndex, yIndex)];
+            return cachedChunk;
+        }
+
+        return CreateWorldChunk(xIndex, yIndex, debugColor);
+    }
+
+    private WorldChunk CreateWorldChunk(int xIndex, int yIndex, Color debugColor)
+    {
+        WorldChunk result = (WorldChunk)_worldChunkScene.Instance();
+
+        Vector2 offsetCoordSouthWest = new Vector2(xIndex, yIndex) * ChunkSize;
+        Vector2 offsetCoordNorthEast = offsetCoordSouthWest + new Vector2(1, 1) * (ChunkSize - 1);
+
+        Vector2 planeCoordSouthWest = HexGrid.GetHexCenterFromOffset(offsetCoordSouthWest) +
+                                      new Vector2(-HexGrid.HexSize.x, HexGrid.HexSize.y) * 0.5f;
+        Vector2 planeCoordNorthEast = HexGrid.GetHexCenterFromOffset(offsetCoordNorthEast) +
+                                      new Vector2(HexGrid.HexSize.x, -HexGrid.HexSize.y) * 0.5f;
+
+        result.PlaneRect = new Rect2(
+            new Vector2(planeCoordSouthWest.x, planeCoordNorthEast.y),
+            new Vector2(planeCoordNorthEast.x - planeCoordSouthWest.x, planeCoordSouthWest.y - planeCoordNorthEast.y));
+
+        result.DebugColor = debugColor;
+        result.DebugColor.a = 0.6f;
+
+        Chunks.AddChild(result);
+        Tuple<int, int> chunkIndex = new Tuple<int, int>(xIndex, yIndex);
+        _worldChunks.Add(chunkIndex, result);
+
+        return result;
+    }
+
+    public void UpdateCenterChunkFromPlaneCoord(Vector2 planeCoord)
+    {
+        HexCell centerOffsetCoord = HexGrid.GetHexAt(planeCoord);
+        Vector2 chunkIndexFloatUnrounded = (centerOffsetCoord.OffsetCoords / (float)ChunkSize);
+        Vector2 chunkIndexFloat = (centerOffsetCoord.OffsetCoords / (float)ChunkSize).Floor();
+        Tuple<int, int> chunkIndex = new Tuple<int, int>((int)chunkIndexFloat.x, (int)chunkIndexFloat.y);
+
+        WorldChunk currentChunk = GetOrCreateWorldChunk(chunkIndex.Item1, chunkIndex.Item2,
+            new Color(GD.Randf(), GD.Randf(), GD.Randf()));
+        _centerChunkRect2 = currentChunk.PlaneRect;
+    }
+
+    public void SetCenterPlaneCoord(Vector2 centerPlaneCoord)
+    {
+        if (!_centerChunkRect2.HasPoint(centerPlaneCoord))
+        {
+            UpdateCenterChunkFromPlaneCoord(centerPlaneCoord);
+        }
+    }
+
+//  // Called every frame. 'delta' is the elapsed time since the previous frame.
+//  public override void _Process(float delta)
+//  {
+//      
+//  }
+}

scenes/WorldChunk.cs

@@ -0,0 +1,85 @@
+using Godot;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+
+public class WorldChunk : Spatial
+{
+    // ui elements
+    
+    // scene nodes
+    private MeshInstance PlaneRectMesh;
+
+    // resources
+    
+    // exports
+    [Export] public Texture TileTypeMap;
+    [Export] public Texture NavigationMap;
+    [Export] public Texture HeightMap;
+    [Export] public readonly int size = 32;
+
+    [Export] public Vector2 ChunkAddress;
+    // [Export] public Vector2 Size = new Vector2(1, 1);
+
+    // signals
+    // delegate void OnCoordClicked(Vector2 world_pos);
+
+    // other members
+    public Rect2 PlaneRect;
+    public Color DebugColor = Colors.White;
+
+    public WorldChunk()
+    {
+        
+    }
+    
+    public WorldChunk(int size)
+    {
+        
+    }
+    
+    // other members
+    public void SaveToFile(String chunkName)
+    {
+        Image image = new Image();
+        
+        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.SavePng(chunkName + "_navigationMap.png");
+
+        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");
+        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.origin.x = PlaneRect.GetCenter().x;
+        planeRectTransform.origin.z = PlaneRect.GetCenter().y;
+        
+        PlaneRectMesh.Transform = planeRectTransform;
+
+        PlaneRectMesh.MaterialOverride = new SpatialMaterial();
+        ((SpatialMaterial)PlaneRectMesh.MaterialOverride).AlbedoColor = DebugColor;
+        ((SpatialMaterial)PlaneRectMesh.MaterialOverride).FlagsTransparent = true;
+    }
+    
+//  // Called every frame. 'delta' is the elapsed time since the previous frame.
+//  public override void _Process(float delta)
+//  {
+//      
+//  }
+}

scenes/WorldChunk.tscn

@@ -0,0 +1,17 @@
+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://scenes/WorldChunk.cs" type="Script" id=1]
+
+[sub_resource type="CubeMesh" id=27]
+size = Vector3( 2, 0.5, 2 )
+
+[sub_resource type="SpatialMaterial" id=28]
+
+[node name="WorldChunk" type="Spatial"]
+script = ExtResource( 1 )
+
+[node name="Entities" type="Spatial" parent="."]
+
+[node name="PlaneRectMesh" type="MeshInstance" parent="."]
+mesh = SubResource( 27 )
+material/0 = SubResource( 28 )

scenes/WorldView.cs

@@ -0,0 +1,31 @@
+using Godot;
+using System;
+
+public class WorldView : Spatial
+{
+    // ui elements
+
+    // scene nodes
+
+    // resources
+
+    // exports
+    [Export] public NodePath World;
+    [Export] public Vector2 ViewCenterPlaneCoord;
+
+    // signals
+    // delegate void OnCoordClicked(Vector2 world_pos);
+
+    // other members
+    private World _world;
+
+    // Called when the node enters the scene tree for the first time.
+    public override void _Ready()
+    {
+        _world = GetNode<World>(World);
+    }
+
+    public override void _Process(float delta)
+    {
+    }
+}

ui/DebugStatsContainer.gd

@@ -0,0 +1,24 @@
+extends GridContainer
+
+
+# Declare member variables here. Examples:
+# var a = 2
+# var b = "text"
+onready var DebugMenuButton = $DebugMenuButton
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+#func _process(delta):
+#	pass
+
+
+func _on_DebugMenuButton_toggled(button_pressed):
+	for child in self.get_children():
+		if child == DebugMenuButton:
+			continue
+			
+		child.visible = button_pressed