65 lines
2.1 KiB
JavaScript
65 lines
2.1 KiB
JavaScript
"use strict";
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import fs from 'fs';
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import l from '../../Helpers/Log.mjs';
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import a from '../../Helpers/Ansi.mjs';
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import Terrain50 from 'terrain50';
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import Terrain50Renderer from './Terrain50Renderer.mjs';
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import { write_safe, end_safe } from '../../Helpers/StreamHelpers.mjs';
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export default async function(settings) {
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if(typeof settings.cli.input !== "string") {
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l.error("Error: No input file specified (try --filename path/to/file.asc)");
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process.exit(1);
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}
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if(typeof settings.cli.output !== "string") {
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l.error("Error: No output file specified (try --filename-output path/to/image.png)");
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process.exit(1);
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}
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if(settings.cli.input !== "-" && !fs.existsSync(settings.cli.input)) {
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l.error(`Error: The specified input file '${settings.cli.input}' does not exist (check the spelling and permissions).`);
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process.exit(1);
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}
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let renderer = new Terrain50Renderer(settings.scale_factor | 1);
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if(settings.cli.stream) {
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if(!fs.existsSync(settings.cli.output))
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await fs.promises.mkdir(settings.cli.output, { recursive: true, mode: 0o755 });
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let reader = process.stdin;
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if(settings.cli.input !== "-")
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reader = fs.createReadStream(settings.cli.input, "utf-8");
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let i = 0;
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for await(let next of Terrain50.ParseStream(reader, settings.cli.tolerant ? /\s+/ : " ")) {
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process.stderr.write(`${a.fgreen}>>>>> ${a.hicol} Item ${i} ${a.reset}${a.fgreen} <<<<<${a.reset}`);
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await fs.promises.writeFile(
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path.join(settings.cli.output, `${i}.png`),
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await renderer.render(next)
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);
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}
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l.log(`Written ${a.hicol}${i}${a.reset} items to ${a.hicol}${a.fgreen}${settings.cli.output}${a.reset}`);
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}
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else {
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let terrain50 = Terrain50.Parse(
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await fs.promises.readFile(settings.cli.input, "utf-8")
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);
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let png_buffer = await renderer.render(terrain50);
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if(!(png_buffer instanceof Buffer))
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throw new Error(`Error: Renderer did not return Buffer (found unexpected ${png_buffer} instead)`);
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await fs.promises.writeFile(
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settings.cli.output,
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png_buffer
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);
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l.log(`Written to ${a.hicol}${settings.cli.output}${a.reset}`);
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}
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}
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