forked from mirror/ObjToSchematic
34 lines
1.3 KiB
TypeScript
34 lines
1.3 KiB
TypeScript
import fs from "fs";
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import path from "path";
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import { PNG, PNGWithMetadata } from "pngjs";
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import { log, LogStyle } from "./logging";
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export const assert = (condition: boolean, onFailMessage: string) => { if (!condition) { log(LogStyle.Failure, onFailMessage); process.exit(0); } }
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export function isDirSetup(relativePath: string, jarAssetDir: string) {
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const dir = path.join(__dirname, relativePath)
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if (fs.existsSync(dir)) {
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if (fs.readdirSync(dir).length > 0) {
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return true;
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}
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} else {
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fs.mkdirSync(dir);
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}
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log(LogStyle.Warning, `Copy the contents of .minecraft/versions/<version>/<version>.jar/${jarAssetDir} from a Minecraft game files into ${relativePath} or fetch them automatically`);
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return false;
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}
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export function getAverageColour(image: PNG) {
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let r = 0, g = 0, b = 0;
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for (let x = 0; x < image.width; ++x) {
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for (let y = 0; y < image.height; ++y) {
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const index = 4 * (image.width * y + x);
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const rgba = image.data.slice(index, index + 4);
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r += rgba[0];
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g += rgba[1];
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b += rgba[2];
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}
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}
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const numPixels = image.width * image.height;
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return { r: r / (255 * numPixels), g: g / (255 * numPixels), b: b / (255 * numPixels) };
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} |