public override void OnImportAsset(AssetImportContext ctx)
{
// Load the raw file.
var file = PAFile.Load(ctx.assetPath);
var texture = new Texture2D(64, 64, TextureFormat.RGBA32, false);
texture.filterMode = FilterMode.Point;
texture.name = "atlas";
var textures = file.frames.Select(f => file.RenderFrame(f)).ToArray();
var rects = texture.PackTextures(textures, 1).Select(r => new Rect(r.xMin * texture.width, r.yMin * texture.height, r.width * texture.width, r.height * texture.height)).ToArray();
texture.Apply();
// TODO: look for duplicates by checking imageContentsHash for all textures
var sprites = new Dictionary <string, Sprite>();
for (int frameIndex = 0; frameIndex < file.frames.Count; frameIndex++)
{
var frame = file.frames[frameIndex];
var sprite = Sprite.Create(texture, rects[frameIndex], new Vector2(0.5f, 0.5f));
sprite.name = $"{frame.animation.name}.{frame.order:D03}";
ctx.AddObjectToAsset(frame.id, sprite);
sprites[frame.id] = sprite;
}
ctx.AddObjectToAsset("_atlas", texture);
var pixelArt = PixelArt.Create(
file.animations.Select(a => new PixelArtAnimation(
a.name,
file.frames.Where(f => f.animation == a).OrderBy(f => f.order).Select(f => new PixelArtAnimationFrame {
sprite = sprites[f.id]
}).ToArray()
)).ToArray(),
defaultAnimationIndex);
var defaultFrame = file.frames.Where(f => f.animation == file.animations[defaultAnimationIndex]).OrderBy(f => f.order).First();
#if false
var go = new GameObject();
var sr = go.AddComponent <SpriteRenderer>();
sr.sprite = sprites[defaultFrame.id];;
go.name = "Prefab";
var animator = go.AddComponent <PixelArtAnimator>();
animator.PixelArt = pixelArt;
animator.layers = new SpriteRenderer[] { sr };
ctx.AddObjectToAsset("prefab", go, PAUtils.LoadImage("PixelArtIcon.psd"));
#endif
pixelArt.name = "PixelArt";
ctx.AddObjectToAsset("pixelArt", pixelArt, PAUtils.LoadImage("PixelArtIcon.psd"));
//ctx.AddObjectToAsset("main", pixelArt, file.RenderFrame(file.frames[0]));
ctx.SetMainObject(pixelArt);
}
public PASelectionTool(PACanvas canvas) : base(canvas)
{
// Must move 1 pixel before drawing begins
DrawThreshold = 1.0f;
_cursor = PAUtils.LoadCursor("Crosshair.psd");
}
public static void AddStyleSheetPath(this VisualElement visualElement, string path)
{
var sheet = PAUtils.LoadStyleSheet(path);
if (sheet != null)
{
visualElement.styleSheets.Add(sheet);
}
}
public PAImageView(PACanvas canvas)
{
AddToClassList("canvas");
pickingMode = PickingMode.Ignore;
_canvas = canvas;
_background = PAUtils.LoadImage("Grid.psd");
generateVisualContent += OnGenerateVisualContent;
}
private static void CreatePixelArt(int width, int height)
{
// Generate a unique filename for the new artwork
var filename = Path.Combine(
Application.dataPath,
AssetDatabase.GenerateUniqueAssetPath($"{PAUtils.GetSelectedPathOrFallback()}/New PixelArt.pixelart").Substring(7));
// Create an empty file
var file = new PAFile();
file.width = width;
file.height = height;
file.AddFrame(file.AddAnimation("New Animation"));
file.AddLayer();
file.Save(filename);
AssetDatabase.Refresh();
}
public PALayerItem(PACanvas canvas, PALayer layer)
{
_canvas = canvas;
Layer = layer;
Layer.Item = this;
pickingMode = PickingMode.Position;
focusable = true;
AddToClassList("layer");
Add(PAUtils.CreateIconToggle("LayerVisibilityToggle", "Toggle layer visibility", OnVisibilityChanged));
_preview = new Image()
{
name = "Preview"
};
Add(_preview);
Add(new Label(layer.name));
}
public PAEyeDropperTool(PACanvas canvas) : base(canvas)
{
_cursor = PAUtils.LoadCursor("EyeDropper.psd");
}
public PAPencilTool(PACanvas canvas) : base(canvas)
{
_cursor = PAUtils.LoadCursor("Pencil.psd");
}
public PAEraserTool(PACanvas canvas) : base(canvas)
{
_cursor = PAUtils.LoadCursor("Crosshair.psd");
}
/// <summary>
/// Set the window title with with the pixel art icon
/// </summary>
public void RefreshTitle() =>
titleContent = new GUIContent(
Workspace == null ? "PixelArt" : $"{Workspace.Target.name}{(Workspace.IsModified ? "*" : "")}",
PAUtils.LoadImage("PixelArtEditor.psd"));