public override void OnInspectorGUI()
{
var obj = (TextureToGameObjectImporter)target;
base.OnInspectorGUI();
EditorGUILayout.Space();
if (GUILayout.Button("Generate"))
{
if (!obj.texture)
{
EditorUtils.userInfo(
"Texture not set!", "Please set the texture before generating.", Log.Level.ERROR
);
return;
}
var width = obj.texture.width;
var height = obj.texture.height;
var unknownColorsFound = new HashSet <Color32>();
const byte maxAlpha = byte.MaxValue;
var ignoredColors = obj.ignoredColors.Select(_ => _.with32Alpha(maxAlpha)).toHashSet();
var dictV = obj.pallete
.GroupBy(_ => _.color.with32Alpha(maxAlpha))
.Select(group => {
var count = group.Count();
return((
count == 1
? Either <string, KeyValuePair <Color32, GameObject[]> > .Right(F.kv(
group.Key, group.SelectMany(_ => _.gameObjects).ToArray()
))
: Either <string, KeyValuePair <Color32, GameObject[]> > .Left(
$"#{group.Key.toHex()} should have 1 entry: {count} entries found."
)
).asValidation());
})
.sequenceValidations();
if (dictV.isLeft)
{
EditorUtils.userInfo(
"Invalid pallete!",
dictV.__unsafeGetLeft.mkString("\n"),
Log.Level.ERROR
);
return;
}
var dict = dictV.__unsafeGetRight.toDict();
using (var progress = new EditorProgress("Generating objects")) {
var pixels = progress.execute("Getting pixels", obj.texture.GetPixels32);
var parent = new GameObject(obj.holderGameObjectName).transform;
progress.execute("Reading pixels", () => {
var rng = new Rng(new Rng.Seed(obj.randomSeed));
for (var y = 0; y < height; y++)
{
for (var x = 0; x < width; x++)
{
var idx = y * width + x;
// ReSharper disable once AccessToDisposedClosure
progress.progress(idx, pixels.Length);
var pixel = pixels[idx].with32Alpha(maxAlpha);
if (dict.TryGetValue(pixel, out var gameObjects))
{
var position = obj.startPoint + new Vector3(x * obj.spacing.x, y * obj.spacing.y);
var go = gameObjects.random(ref rng).getOrThrow($"No objects for #{pixel.toHex()} found!");
var instantiated = ((GameObject)PrefabUtility.InstantiatePrefab(go)).transform;
instantiated.parent = parent;
instantiated.position = position;
}
else if (!ignoredColors.Contains(pixel))
{
unknownColorsFound.Add(pixel);
}
}
}
});
}
if (unknownColorsFound.nonEmpty())
{
EditorUtils.userInfo(
"Found unknown colors!", level: Log.Level.ERROR,
body:
"These colors were not defined:\n" +
unknownColorsFound.Select(_ => $"#{_.toHex()}").OrderBySafe(_ => _).mkString("\n")
);
}
}
}
