fix(catalog): resolve namespaced Nitro frames and empty scale declarations

src/lib/furni/nitro-scale32.ts

@@ -22,6 +22,18 @@ function halfOffsets(value: unknown): unknown {
 		]),
 	);
 }
+function emptyScaleDeclaration(viz: Record<string, unknown>): boolean {
+	return Object.entries(viz).every(([key, value]) => {
+		if (["size", "layerCount", "angle"].includes(key)) return true;
+		if (key === "directions")
+			return Object.values(object(value)).every(
+				(direction) => Object.keys(object(direction)).length === 0,
+			);
+		return (
+			value && typeof value === "object" && Object.keys(value).length === 0
+		);
+	});
+}
 export async function generateScale32(
 	input: Buffer,
 ): Promise<{ bundle: Buffer; before: string; after: string; count: number }> {
@@ -35,7 +47,9 @@ export async function generateScale32(
 	if (
 		Object.keys(assets).some((n) => isScale(n, 32)) ||
 		Object.keys(frames).some((n) => isScale(n, 32)) ||
-		visualizations.some((v) => object(v).size === 32)
+		visualizations.some(
+			(v) => object(v).size === 32 && !emptyScaleDeclaration(object(v)),
+		)
 	)
 		throw Error("Scale 32 already exists; original artwork is preserved");
 	const viz = visualizations.find((v) => object(v).size === 64);
@@ -62,13 +76,13 @@ export async function generateScale32(
 				(typeof asset[key] !== "number" || !Number.isFinite(asset[key]))
 			)
 				throw Error("Invalid sprite offset");
-		resolveNitroFrame(json, name);
+		const resolved = resolveNitroFrame(json, name);
 		if (typeof asset.source === "string" && asset.source !== name) {
 			if (!names.includes(asset.source))
 				throw Error("A sprite references artwork outside scale 64");
 			continue;
 		}
-		const frame = object(frames[name]),
+		const frame = resolved.frame,
 			rect = object(frame.frame);
 		let sprite = await sharp(png)
 			.extract({
@@ -105,7 +119,7 @@ export async function generateScale32(
 		if (!before) before = `data:image/png;base64,${sprite.toString("base64")}`;
 		images.push({
 			id: images.length,
-			name: scaleName(name),
+			name: scaleName(resolved.name),
 			width,
 			height,
 			pixels: await sharp(sprite)
@@ -152,7 +166,7 @@ export async function generateScale32(
 	}
 	json.assets = assets;
 	json.visualizations = [
-		...visualizations,
+		...visualizations.filter((v) => object(v).size !== 32),
 		{ ...object(halfOffsets(viz)), size: 32 },
 	];
 	json.spritesheet = {