v1.198.1

node/generate-map-thumbnails.js

@@ -0,0 +1,94 @@
+import * as fs from "fs";
+import sharp from "sharp";
+import * as ut from "./util.js";
+import "../js/parser.js";
+import "../js/utils.js";
+
+const _NUM_WORKERS = 16;
+const _QUALITY = 70;
+const _SZ_THUMBNAIL_PX = 320;
+
+async function getFileInput ({pathName, ext}) {
+	// See: https://github.com/lovell/sharp/issues/806
+	if (ext === "bmp") throw new Error(`Generating thumbnails from .bmp is not supported!`);
+	return sharp(pathName, {limitInputPixels: false});
+}
+
+async function webpFile ({pathInput, pathOutput, extInput}) {
+	const x = await getFileInput({pathName: pathInput, ext: extInput});
+
+	// See: https://sharp.pixelplumbing.com/api-output#webp
+	await x
+		.resize(_SZ_THUMBNAIL_PX, _SZ_THUMBNAIL_PX, {fit: "contain", background: {r: 0, g: 0, b: 0, alpha: 0}})
+		.webp({quality: _QUALITY})
+		.toFile(pathOutput);
+}
+
+async function pMain () {
+	const tasksGenThumbnail = [];
+
+	const walker = MiscUtil.getWalker({isNoModification: true});
+
+	[
+		{index: "adventures", dir: "adventure", prop: "adventure"},
+		{index: "books", dir: "book", prop: "book"},
+	]
+		.map(meta => {
+			const indexData = ut.readJson(`data/${meta.index}.json`);
+
+			indexData[meta.prop]
+				.forEach(contents => {
+					const filePath = `data/${meta.dir}/${meta.prop}-${contents.id.toLowerCase()}.json`;
+					const data = ut.readJson(filePath);
+
+					walker.walk(
+						data.data,
+						{
+							object: (obj) => {
+								if (obj.type !== "image" || !obj.mapRegions) return;
+
+								const imgPath = obj.href.path;
+
+								const pathParts = imgPath.split("/");
+
+								const thumbPath = [...pathParts.slice(0, -1), "thumbnail", pathParts.last().replace(/\.[^.]+$/g, ".webp")].join("/");
+
+								obj.hrefThumbnail = {
+									type: "internal",
+									path: thumbPath,
+								};
+
+								tasksGenThumbnail.push({imgPath, thumbPath});
+							},
+						},
+					);
+
+					fs.writeFileSync(filePath, CleanUtil.getCleanJson(data), "utf8");
+				});
+		});
+
+	console.log(`Generating thumbnails for ${tasksGenThumbnail.length} map${tasksGenThumbnail.length === 1 ? "" : "s"}...`);
+
+	tasksGenThumbnail.map(({thumbPath}) => {
+		const thumbDir = ["img", ...thumbPath.split("/").slice(0, -1)].join("/");
+		if (!fs.existsSync(thumbDir)) fs.mkdirSync(thumbDir, {recursive: true});
+	});
+
+	let cnt = 0;
+	const workers = [...new Array(_NUM_WORKERS)]
+		.map(async () => {
+			while (tasksGenThumbnail.length) {
+				const {imgPath, thumbPath} = tasksGenThumbnail.pop();
+				const extInput = imgPath.toLowerCase().split(".").last();
+				await webpFile({pathInput: `img/${imgPath}`, pathOutput: `img/${thumbPath}`, extInput});
+				cnt++;
+				if ((cnt % 25) === 0) console.log(`Generated ${cnt}...`);
+			}
+		});
+	await Promise.all(workers);
+	console.log(`Generated ${cnt} thumbnails!`);
+}
+
+pMain()
+	.then(() => console.log("Regenerated map thumbnails."))
+	.catch(e => { throw e; });