static void setTilesetTextureIfNecessary(TmxTileset tileset, ContentProcessorContext context)
{
if (tileset.image != null)
{
return;
}
tileset.isStandardTileset = false;
var imagePaths = new List <string>();
foreach (var tile in tileset.tiles)
{
if (tile.image != null && !imagePaths.Contains(tile.image.source))
{
imagePaths.Add(tile.image.source);
}
}
context.Logger.LogMessage("\n\t --- need to pack images: {0}\n", imagePaths.Count);
var sourceSprites = new List <BitmapContent>();
// Loop over each input sprite filename
foreach (var inputFilename in imagePaths)
{
// Store the name of this sprite.
var spriteName = Path.GetFileName(inputFilename);
var absolutePath = PathHelper.getAbsolutePath(inputFilename, tileset.mapFolder);
context.Logger.LogMessage("Adding texture: {0}", spriteName);
// Load the sprite texture into memory.
var textureReference = new ExternalReference <TextureContent>(absolutePath);
var texture = context.BuildAndLoadAsset <TextureContent, TextureContent>(textureReference, "TextureProcessor");
sourceSprites.Add(texture.Faces[0][0]);
}
var spriteRectangles = new List <Rectangle>();
// pack all the sprites into a single large texture.
var packedSprites = TextureAtlasPacker.packSprites(sourceSprites, spriteRectangles, false, context);
context.Logger.LogMessage("packed: {0}", packedSprites);
// save out a PNG with our atlas
var bm = new System.Drawing.Bitmap(packedSprites.Width, packedSprites.Height);
for (var x = 0; x < packedSprites.Width; x++)
{
for (var y = 0; y < packedSprites.Height; y++)
{
var col = packedSprites.GetPixel(x, y);
var color = System.Drawing.Color.FromArgb(col.A, col.R, col.G, col.B);
bm.SetPixel(x, y, color);
}
}
var atlasFilename = tileset.name + "-atlas.png";
bm.Save(Path.Combine(tileset.mapFolder, atlasFilename), System.Drawing.Imaging.ImageFormat.Png);
context.Logger.LogImportantMessage("\n-- generated atlas {0}. Make sure you add it to the Pipeline tool!", atlasFilename);
// set the new atlas as our tileset source image
tileset.image = new TmxImage();
tileset.image.source = atlasFilename;
// last step: set the new atlas info and source rectangle for each tile
foreach (var tile in tileset.tiles)
{
if (tile.image == null)
{
continue;
}
tile.sourceRect = spriteRectangles[imagePaths.IndexOf(tile.image.source)];
}
}
public override TiledMap Process(TmxMap input, ContentProcessorContext context)
{
foreach (var tileSet in input.TileSets)
{
if (tileSet.Image == null)
{
var images = new HashSet <string>();
foreach (var tile in tileSet.Tiles)
{
if (tile.Image != null)
{
images.Add(tile.Image.Source);
}
}
context.Logger.LogMessage("Packing {0} images\n", images.Count);
var bitmaps = new Dictionary <string, Bitmap>();
foreach (var image in images)
{
bitmaps.Add(image, new Bitmap(image));
}
var packedSprites = TextureAtlasPacker.PackSprites(bitmaps.Values.ToList());
var atlasPath = input.OriginalFileName + "-atlas.png";
packedSprites.OutputBitmap.Save(atlasPath, System.Drawing.Imaging.ImageFormat.Png);
var assetFileName = context.BuildAsset <string, Texture2DContent>(
new ExternalReference <string>(atlasPath),
nameof(TextureProcessor)).Filename;
tileSet.Image = new TmxImage
{
Source = ImportPathHelper.GetAssetName(context.OutputDirectory, assetFileName)
};
File.Delete(atlasPath);
foreach (var tile in tileSet.Tiles)
{
if (tile.Image == null)
{
continue;
}
var rect = packedSprites.SpritePositions[bitmaps[tile.Image.Source]];
tile.SourceRect = new Rectangle(rect.X, rect.Y, rect.Width, rect.Height);
}
}
else
{
var assetFileName = context.BuildAsset <string, Texture2DContent>(
new ExternalReference <string>(tileSet.Image.Source),
nameof(TextureProcessor)).Filename;
tileSet.Image.Source = ImportPathHelper.GetAssetName(context.OutputDirectory, assetFileName);
}
}
foreach (var layer in input.Layers.OfType <TmxImageLayer>())
{
if (layer.Image != null)
{
var assetFileName = context.BuildAsset <string, Texture2DContent>(
new ExternalReference <string>(layer.Image.Source),
nameof(TextureProcessor)).Filename;
layer.Image.Source = ImportPathHelper.GetAssetName(context.OutputDirectory, assetFileName);
}
}
var output = new TiledMap
{
FirstGid = input.FirstGid,
Width = input.Width,
Height = input.Height,
TileWidth = input.TileWidth,
TileHeight = input.TileHeight,
Orientation = (TiledMapOrientation)input.Orientation,
BackgroundColor = HexToColor(input.BackgroundColor),
RenderOrder = (TiledRenderOrder)input.RenderOrder,
Properties = input.Properties?.ToDictionary(a => a.Name, a => a.Value),
ObjectGroups = input.ObjectGroups?.Select(
a => new TiledObjectGroup
{
Name = a.Name,
Color = HexToColor(a.Color),
Opacity = a.Opacity,
Visible = a.Visible,
Properties = a.Properties?.ToDictionary(b => b.Name, b => b.Value),
Objects = a.Objects?.Select(
b =>
{
var tiledObject = new TiledObject
{
Id = b.Id,
Name = b.Name,
Type = b.Type,
X = (int)b.X,
Y = (int)b.Y,
Width = (int)b.Width,
Height = (int)b.Height,
Rotation = b.Rotation,
Gid = b.Gid,
Visible = b.Visible,
Properties = b.Properties?.ToDictionary(c => c.Name, c => c.Value),
ObjectType = b.Type,
};
if (b.Ellipse != null)
{
tiledObject.TiledObjectType = TiledObject.TiledObjectTypes.Ellipse;
}
else if (b.Image != null)
{
tiledObject.TiledObjectType = TiledObject.TiledObjectTypes.Image;
}
else if (b.Polygon != null)
{
tiledObject.TiledObjectType = TiledObject.TiledObjectTypes.Polygon;
tiledObject.PolyPoints = GetPoints(b.Polygon.Points);
}
else if (b.PolyLine != null)
{
tiledObject.TiledObjectType = TiledObject.TiledObjectTypes.Polyline;
tiledObject.PolyPoints = GetPoints(b.PolyLine.Points);
}
else
{
tiledObject.TiledObjectType = TiledObject.TiledObjectTypes.None;
}
return(tiledObject);
}).ToList()
}).ToList(),
TileSets = input.TileSets?.Select(
a =>
{
var tileSet = TiledTileSet.Build(a.Image.Width, a.Image.Height, a.TileWidth, a.TileHeight, a.Spacing, a.Margin, a.Columns);
tileSet.FirstGid = a.FirstGid;
tileSet.Image = a.Image.Source;
tileSet.Properties = a.Properties.ToDictionary(b => b.Name, b => b.Value);
foreach (var tile in a.Tiles)
{
var tiledTile = tileSet.Tiles.FirstOrDefault(b => b.Id == tile.Id);
if (tiledTile == null)
{
tiledTile = new TiledTileSetTile
{
Id = tile.Id
};
tileSet.Tiles.Add(tiledTile);
}
tiledTile.SourceRect = tile.SourceRect != Rectangle.Empty ? tile.SourceRect : tiledTile.SourceRect;
tiledTile.AnimationFrames = tile.AnimationFrames == null || tile.AnimationFrames.Count == 0 ? null : tile.AnimationFrames.Select(b => new TiledTileSetAnimationFrame
{
TileId = b.TileId,
Duration = b.Duration
}).ToList();
tile.Properties.ForEach(b => tiledTile.Properties[b.Name] = b.Value);
}
return(tileSet);
}).ToList()
};
var existingIds = output.TileSets.SelectMany(a => a.Tiles.Select(b => (uint)(b.Id + a.FirstGid))).ToHashSet();
output.Layers = input.Layers?.Select(
a =>
{
var imageLayer = a as TmxImageLayer;
var tiledLayer = a as TmxTileLayer;
TiledLayer result;
if (imageLayer != null)
{
result = new TiledImageLayer {
AssetName = imageLayer.Image.Source
};
}
else if (tiledLayer != null)
{
result = new TiledTileLayer
{
Width = tiledLayer.Width,
Height = tiledLayer.Height,
X = tiledLayer.X,
Y = tiledLayer.Y,
Tiles = tiledLayer.Data.Tiles.Select(
b =>
{
var flippedHorizontally = (b.Gid & FlippedHorizontallyFlag) != 0;
var flippedVertically = (b.Gid & FlippedVerticallyFlag) != 0;
var flippedDiagonally = (b.Gid & FlippedDiagonallyFlag) != 0;
if (flippedHorizontally || flippedVertically || flippedDiagonally)
{
b.Gid &= ~(FlippedHorizontallyFlag | FlippedVerticallyFlag
| FlippedDiagonallyFlag);
b.FlippedHorizontally = flippedHorizontally;
b.FlippedVertically = flippedVertically;
b.FlippedDiagonally = flippedDiagonally;
}
if (!existingIds.Contains(b.Gid))
{
return(null);
}
return(new TiledTile
{
Id = (int)b.Gid,
FlippedDiagonally = b.FlippedDiagonally,
FlippedHorizonally = b.FlippedHorizontally,
FlippedVertically = b.FlippedVertically,
});
}).ToArray()
};
}
else
{
throw new Exception($"Unknown layer type {a.GetType()}");
}
result.Name = a.Name;
result.Offset = new Vector2(a.OffsetX, a.OffsetY);
result.Opacity = a.Opacity;
result.Visible = a.Visible;
result.Properties = a.Properties.ToDictionary(b => b.Name, b => b.Value);
return(result);
}).ToList();
return(output);
}