Godot example

src/DotTiled.Examples/DotTiled.Example.Godot/MapParser.cs

@@ -0,0 +1,68 @@
+using System;
+using System.Globalization;
+using System.Linq;
+using DotTiled.Serialization;
+using Godot;
+
+namespace DotTiled.Example.Godot;
+public partial class MapParser : Node2D
+{
+  public override void _Ready()
+  {
+    // Load map
+    var mapString = FileAccess.Open("res://tilemap.tmx", FileAccess.ModeFlags.Read).GetAsText(); //Get file from Godot filesystem
+    using var mapReader = new MapReader(mapString, ResolveTileset, ResolveTemplate, ResolveCustomType);
+    var map = mapReader.ReadMap();
+
+    TileLayer layer0 = (TileLayer)map.Layers[0];
+
+    for (int y = 0; y < layer0.Height; y++)
+    {
+      for (int x = 0; x < layer0.Width; x++)
+      {
+        uint tile = layer0.Data.Value.GlobalTileIDs.Value[(y * layer0.Width) + x];
+        if (tile == 0) continue; // If block is 0, i.e. air, then continue
+
+        // Load actual block from Godot resources
+        Node2D block = (Node2D)GD.Load<PackedScene>($"res://blocks/{tile}.tscn").Instantiate();
+
+        // Calculate where block should be
+        Vector2I scale = (Vector2I)block.GetNode<Sprite2D>(tile.ToString(CultureInfo.CurrentCulture)).Scale;
+        int blockX = (block.GetNode<Sprite2D>(tile.ToString(CultureInfo.CurrentCulture)).Texture.GetWidth() * scale.X / 2) +
+                     (x * block.GetNode<Sprite2D>(tile.ToString(CultureInfo.CurrentCulture)).Texture.GetWidth() * scale.X);
+        int blockY = (block.GetNode<Sprite2D>(tile.ToString(CultureInfo.CurrentCulture)).Texture.GetHeight() * scale.Y / 2) +
+                     (y * block.GetNode<Sprite2D>(tile.ToString(CultureInfo.CurrentCulture)).Texture.GetHeight() * scale.Y);
+        block.Position = new Vector2(blockX, blockY);
+
+        // Add block to current scene
+        AddChild(block);
+        GD.Print($"{blockX}, {blockY}: {tile}");
+      }
+    }
+  }
+
+  private Tileset ResolveTileset(string source)
+  {
+      string tilesetString = FileAccess.Open($"res://{source}", FileAccess.ModeFlags.Read).GetAsText();
+      using TilesetReader tilesetReader =
+        new TilesetReader(tilesetString, ResolveTileset, ResolveTemplate, ResolveCustomType);
+      return tilesetReader.ReadTileset();
+  }
+
+  private Template ResolveTemplate(string source)
+  {
+    string templateString = FileAccess.Open($"res://{source}", FileAccess.ModeFlags.Read).GetAsText();
+    using TemplateReader templateReader =
+      new TemplateReader(templateString, ResolveTileset, ResolveTemplate, ResolveCustomType);
+    return templateReader.ReadTemplate();
+  }
+
+  private static ICustomTypeDefinition ResolveCustomType(string name)
+  {
+    ICustomTypeDefinition[] allDefinedTypes =
+      [
+        new CustomClassDefinition() { Name = "a" },
+      ];
+    return allDefinedTypes.FirstOrDefault(type => type.Name == name) ?? throw new InvalidOperationException();
+  }
+}