39 lines
1.9 KiB
JavaScript
39 lines
1.9 KiB
JavaScript
import path from 'path'
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import { copy, read, write } from './file.js'
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import AlphaComposite from './alpha_composite.js'
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export default class AssetsProcessor {
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#operatorSourceFolder
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#alphaCompositer
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constructor() {
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this.#operatorSourceFolder = path.join(__dirname, __config.folder.operator)
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this.#alphaCompositer = new AlphaComposite()
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}
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async process(extractedDir) {
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const BASE64_BINARY_PREFIX = 'data:application/octet-stream;base64,'
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const BASE64_PNG_PREFIX = 'data:image/png;base64,'
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const assetsJson = {}
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const skelFilename = `${__config.operators[__operator_name].filename}.skel`
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const skel = await read(path.join(extractedDir, skelFilename), null)
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const atlasFilename = `${__config.operators[__operator_name].filename}.atlas`
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const atlas = await read(path.join(extractedDir, atlasFilename))
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const dimensions = atlas.match(new RegExp(/^size:(.*),(.*)/gm))[0].replace('size: ', '').split(',')
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const matches = atlas.match(new RegExp(/(.*).png/g))
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for (const item of matches) {
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const buffer = await this.#alphaCompositer.process(item, extractedDir)
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assetsJson[`./assets/${item}`] = BASE64_PNG_PREFIX + buffer.toString('base64')
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}
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assetsJson[`./assets/${skelFilename.replace('#', '%23')}`] = BASE64_BINARY_PREFIX + skel.toString('base64')
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assetsJson[`./assets/${atlasFilename.replace('#', '%23')}`] = BASE64_BINARY_PREFIX + Buffer.from(atlas).toString('base64')
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const fallbackFilename = `${__config.operators[__operator_name].fallback_name}.png`
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const fallbackBuffer = await this.#alphaCompositer.process(fallbackFilename, extractedDir)
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await write(fallbackBuffer, path.join(this.#operatorSourceFolder, __operator_name, fallbackFilename))
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return {
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dimensions,
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assetsJson
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}
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}
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} |