44 lines
2.2 KiB
JavaScript
44 lines
2.2 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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#config
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#operatorName
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#operatorSourceFolder
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#alphaCompositer
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constructor(config, operatorName, rootDir) {
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this.#config = config
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this.#operatorName = operatorName
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this.#operatorSourceFolder = path.join(rootDir, this.#config.folder.operator)
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this.#alphaCompositer = new AlphaComposite(config, operatorName, rootDir)
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}
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async process(publicAssetsDir, 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 = `${this.#config.operators[this.#operatorName].filename}.skel`
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const skel = await read(path.join(extractedDir, skelFilename), null)
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const atlasFilename = `${this.#config.operators[this.#operatorName].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/${atlasFilename.replace('#', '%23')}`] = BASE64_BINARY_PREFIX + Buffer.from(atlas).toString('base64')
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const fallbackFilename = `${this.#config.operators[this.#operatorName].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, this.#operatorName, fallbackFilename))
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await copy(path.join(this.#operatorSourceFolder, this.#operatorName, fallbackFilename), path.join(publicAssetsDir, 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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} |