Basic conversion of Tiled files to bitmaps.

lichnak · Oct 22, 2018 · 9327c97 · 9327c97
1 parent bbcb505
commit 9327c97
Show file tree

Hide file tree

Showing 3 changed files with 48 additions and 1 deletion.
diff --git a/DeBroglie.Console/BitmapUtils.cs b/DeBroglie.Console/BitmapUtils.cs
@@ -48,5 +48,21 @@ public static Color ColorAverage(IEnumerable<Color> colors)
             }
             return Color.FromArgb(alpha / n, red / n, green / n, blue / n);
         }
+
+        public static Bitmap Slice(Bitmap b, int x, int y, int width, int height)
+        {
+            var newImage = new Bitmap(width, height);
+            Blit(newImage, b, 0, 0, x, y, width, height);
+            return newImage;
+        }
+
+        public static void Blit(Bitmap dest, Bitmap src, int destX, int destY, int srcX, int srcY, int width, int height)
+        {
+            var graphics = Graphics.FromImage(dest);
+            var size = new SizeF(width, height);
+            var dstRect = new RectangleF(new PointF(destX, destY), size);
+            var srcRect = new RectangleF(new PointF(srcX, srcY), size);
+            graphics.DrawImage(src, dstRect, srcRect, GraphicsUnit.Pixel);
+        }
     }
 }
diff --git a/DeBroglie.Console/Export/Exporter.cs b/DeBroglie.Console/Export/Exporter.cs
@@ -2,6 +2,7 @@
 using DeBroglie.Models;
 using System;
 using System.Collections.Generic;
+using System.Drawing;
 using System.IO;
 using System.Linq;
 using System.Text;
@@ -14,6 +15,15 @@ public static class Exporter
         public static void Export(TileModel model, TilePropagator tilePropagator, string filename, DeBroglieConfig config, ExportOptions exportOptions)
         {
             var exporter = GetExporter(filename);
+            // Handle conversions
+            if(exporter is BitmapExporter && exportOptions is TiledExportOptions)
+            {
+                if (tilePropagator.Topology.Directions.Type != Topo.DirectionsType.Cartesian2d)
+                    throw new NotSupportedException("Converting from Tiled format to bitmaps only supported for square grids.");
+
+                exportOptions = ConvertToBitmaps(exportOptions as TiledExportOptions);
+            }
+
             exporter.Export(model, tilePropagator, filename, config, exportOptions);
         }
 
@@ -49,5 +59,26 @@ private static IExporter GetExporter(string filename)
             }
         }
 
+        private static BitmapSetExportOptions ConvertToBitmaps(TiledExportOptions teo)
+        {
+            var bseo = new BitmapSetExportOptions();
+            bseo.TileWidth = teo.Template.CellWidth;
+            bseo.TileHeight = teo.Template.CellHeight;
+            bseo.Bitmaps = new Dictionary<Tile, Bitmap>();
+            var basePath = Path.GetDirectoryName(teo.SrcFileName);
+            foreach (var tileset in teo.Template.Tilesets)
+            {
+                var tilesetBitmap = new Bitmap(Path.Combine(basePath, tileset.ImagePath));
+                for(var i=0;i<tileset.TileCount;i++)
+                {
+                    var gid = i + tileset.FirstGid;
+                    var tile = tileset[gid];
+                    var tileBitmap = BitmapUtils.Slice(tilesetBitmap, tile.Left, tile.Top, tile.Width, tile.Height);
+                    bseo.Bitmaps[new Tile(gid)] = tileBitmap;
+                }
+            }
+            return bseo;
+        }
+
     }
 }
diff --git a/docs/articles/config_files.md b/docs/articles/config_files.md
@@ -174,7 +174,7 @@ Not all formats can be converted between. You must pick file extensions for
 <tr><td></td><td>Bitmap (.png)</td><td>Tiled Map(.tmx)</td><td>Tiled Tileset (.tsx)</td><td>MagicaVoxel (.vox)</td><td>File set of Bitmap (.png)</td><td>File set of MagicaVoxel (.vox)</td></tr>
 <tr><td>Outputs</td><td></td><td></td><td></td><td></td><td></td><td></td></tr>
 <tr><td>.csv</td><td>&#x2713;</td><td>&#x2713;</td><td>&#x2713;</td><td>&#x2713;</td><td>&#x2713;</td><td>&#x2713;</td></tr>
-<tr><td>.png</td><td>&#x2713;</td><td></td><td></td><td></td><td>&#x2713;</td><td></td></tr>
+<tr><td>.png</td><td>&#x2713;</td><td>&#x2713;</td><td>&#x2713;</td><td></td><td>&#x2713;</td><td></td></tr>
 <tr><td>.tmx</td><td></td><td>&#x2713;</td><td>&#x2713;</td><td></td><td></td><td></td></tr>
 <tr><td>.vox</td><td></td><td></td><td></td><td>&#x2713;</td><td></td><td>&#x2713;</td></tr>
 </table>