ObjToSchematic/tools/misc.ts
2022-09-12 01:07:42 +01:00

86 lines
2.6 KiB
TypeScript

import fs from 'fs';
import path from 'path';
import { PNG } from 'pngjs';
import prompt from 'prompt';
import { RGBA } from '../src/colour';
import { AppPaths } from '../src/util/path_util';
import { log, LogStyle } from './logging';
export const ASSERT = (condition: boolean, onFailMessage: string) => {
if (!condition) {
log(LogStyle.Failure, onFailMessage);
process.exit(0);
}
};
export function isDirSetup(relativePath: string, jarAssetDir: string) {
const dir = path.join(AppPaths.Get.tools, relativePath);
if (fs.existsSync(dir)) {
if (fs.readdirSync(dir).length > 0) {
return true;
}
} else {
fs.mkdirSync(dir);
}
log(LogStyle.Warning, `Copy the contents of .minecraft/versions/<version>/<version>.jar/${jarAssetDir} from a Minecraft game files into ${relativePath} or fetch them automatically`);
return false;
}
export function getAverageColour(image: PNG): RGBA {
let r = 0;
let g = 0;
let b = 0;
let a = 0;
let weight = 0;
for (let x = 0; x < image.width; ++x) {
for (let y = 0; y < image.height; ++y) {
const index = 4 * (image.width * y + x);
const rgba = image.data.slice(index, index + 4);
const alpha = rgba[3] / 255;
r += (rgba[0] / 255) * alpha;
g += (rgba[1] / 255) * alpha;
b += (rgba[2] / 255) * alpha;
a += alpha;
weight += alpha;
}
}
const numPixels = image.width * image.height;
return {
r: r / weight,
g: g / weight,
b: b / weight,
a: a / numPixels,
};
}
export async function getPermission() {
const directory = getMinecraftDir();
log(LogStyle.Info, `This script requires files inside of ${directory}`);
const { permission } = await prompt.get({
properties: {
permission: {
pattern: /^[YyNn]$/,
description: 'Do you give permission to access these files? (Y/n)',
message: 'Response must be Y or N',
required: true,
},
},
});
const responseYes = ['Y', 'y'].includes(permission as string);
if (!responseYes) {
process.exit(0);
}
}
export function getMinecraftDir(): string {
switch (process.platform) {
case 'darwin': // MacOS
return path.join(process.env.HOME!, './Library/Application Support/minecraft');
case 'win32': // Windows
return path.join(process.env.APPDATA!, './.minecraft');
default:
return path.join(require('os').homedir(), '/.minecraft');
}
}