eb255480a1
Reads the map JSON, optionally loads --atlas-dir paths for name resolution, and prints the inspector report to stdout. Missing file, bad JSON, and missing --atlas-dir paths all produce labelled stderr errors with exit 1.
47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
'use strict';
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const USAGE = `usage: sporel-mapper <subcommand> [args...]
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Subcommands:
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encode <atlas_idx> <tile_id> [rotation]
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Print the packed-u32 GID for the given components.
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decode <gid>
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Print the (atlas, tile, rotation) components of a GID.
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build <spec.txt> <out.json> [--atlas-dir <path> ...]
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Compile a text-DSL map spec into a v2 map JSON file.
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inspect <map.json> [--atlas-dir <path> ...]
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Print a human-readable stats report for a v2 map.
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Options:
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-h, --help Show this message.
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`;
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function run(argv, { out, err }) {
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if (argv.length === 0) {
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err.write(USAGE);
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return 1;
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}
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const [head, ...rest] = argv;
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if (head === '-h' || head === '--help') {
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out.write(USAGE);
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return 0;
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}
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const handlers = {
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encode: require('./commands/encode'),
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decode: require('./commands/decode'),
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build: require('./commands/build'),
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inspect: require('./commands/inspect'),
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};
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const handler = handlers[head];
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if (!handler) {
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err.write(`unknown subcommand: ${head}\n${USAGE}`);
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return 1;
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}
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return handler.run(rest, { out, err });
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}
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module.exports = { run };
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