static void Init()
{
SpritePacker window = (SpritePacker)EditorWindow.GetWindow(typeof(SpritePacker));
window.Show();
window.Initialize();
}
public void TestMethod1()
{
var packer = new SpritePacker();
var result = packer.Pack(new[] { new Sprite("a", 10, 4), new Sprite("b", 4, 4), new Sprite("c", 4, 4), new Sprite("d", 3, 3) });
Console.WriteLine($"Result = {result.Width}x{result.Height}");
foreach (var sprite in result.Sprites)
{
Console.WriteLine($"{sprite.Sprite.Reference} = {sprite.X}x{sprite.Y} {sprite.Sprite.Width}x{sprite.Sprite.Height}");
}
}
private static bool GeneratePacker(List <Sprite> sprites, string path)
{
var packer = AssetDatabase.LoadAssetAtPath <SpritePacker>(path);
if (packer == null)
{
packer = SpritePacker.CreateInstance <SpritePacker>();
UnityEditor.AssetDatabase.CreateAsset(packer, path);
}
//no eidtable
packer.hideFlags = HideFlags.NotEditable;
if (packer.spriteList == null)
{
packer.spriteList = new List <Sprite>();
}
packer.spriteList.Clear();
packer.spriteList.AddRange(sprites);
return(false);
}
/// <summary>
/// Loads source sprites referenced in declaration input and packs sprites into a sprite sheet.
/// </summary>
/// <param name="declaration">Sprite sheet delcaration input.</param>
/// <param name="context">Context of the process routine.</param>
/// <returns>Sprite sheet content.</returns>
public override SpriteSheetContent Process(SpriteSheetDeclaration declaration, ContentProcessorContext context)
{
if (declaration == null)
{
throw new ArgumentNullException(nameof(declaration));
}
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
// Collect all texture file paths.
//
var texturePaths = new HashSet <string>();
foreach (string pathPattern in declaration.PathPatterns)
{
foreach (string filePath in Glob.Files(Directory.GetCurrentDirectory(), pathPattern))
{
texturePaths.Add(filePath);
}
}
// Limit the packed texture based on the target graphics profile.
//
int maximumDimension = context.TargetProfile == GraphicsProfile.HiDef ? 4096 : 2048;
PackedTexture packedTexture =
SpritePacker.Pack(
configuration: new PackConfiguration(maximumDimension, maximumDimension, this.IsPowerOfTwo, this.IsSquare, this.Padding),
spritePaths: texturePaths.ToArray());
// Ensure our output directory exists.
//
if (!Directory.Exists(context.OutputDirectory))
{
Directory.CreateDirectory(context.OutputDirectory);
}
// Write the packed texture to the output location.
//
string outputPath = Path.Combine(context.OutputDirectory, $"{declaration.Name}.png");
using (var stream = new FileStream(outputPath, FileMode.Create))
{
packedTexture.Texture.Save(stream, ImageFormat.Png);
}
context.AddOutputFile(outputPath);
// Finalize the content to serialize from this processor.
//
return(new SpriteSheetContent
{
Name = declaration.Name,
SpriteNamesToIndexMapping = packedTexture.SpriteNamesToIndexMapping,
SpriteRectangles = packedTexture.SpriteRectangles,
Texture = this.BuildTexture($"{declaration.Name}Texture", outputPath, context),
});
}
