unpak.js
Version:
Modern TypeScript library for reading Unreal Engine pak files and assets, inspired by CUE4Parse
579 lines • 19.7 kB
JavaScript
"use strict";
/**
* Phase 12: Developer Tooling - CLI Asset Inspector
*
* Command-line interface for inspecting and previewing UE4/UE5 assets
*/
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Object.defineProperty(exports, "__esModule", { value: true });
exports.BatchProcessor = exports.AssetInspectorCLI = void 0;
const path = __importStar(require("path"));
const fs = __importStar(require("fs"));
/**
* Asset Inspector CLI Tool
*/
class AssetInspectorCLI {
commands = new Map();
constructor() {
this.registerDefaultCommands();
}
/**
* Execute CLI with provided arguments
*/
async execute(argv) {
const args = this.parseArguments(argv);
if (args._.length === 0 || args.help) {
this.showHelp();
return;
}
const commandName = args._[0];
const command = this.commands.get(commandName);
if (!command) {
console.error(`Unknown command: ${commandName}`);
this.showHelp();
process.exit(1);
}
try {
await command.execute(args);
}
catch (error) {
console.error(`Error executing command ${commandName}:`, error);
process.exit(1);
}
}
/**
* Register a new CLI command
*/
registerCommand(command) {
this.commands.set(command.name, command);
}
// Private methods
registerDefaultCommands() {
// Info command
this.registerCommand({
name: 'info',
description: 'Display information about an asset file',
options: [
{
name: 'file',
alias: 'f',
description: 'Asset file path',
type: 'string',
required: true
},
{
name: 'verbose',
alias: 'v',
description: 'Show detailed information',
type: 'boolean',
default: false
},
{
name: 'output',
alias: 'o',
description: 'Output format (text, json, yaml)',
type: 'string',
default: 'text'
}
],
execute: async (args) => {
await this.executeInfoCommand(args);
}
});
// List command
this.registerCommand({
name: 'list',
description: 'List files in a PAK archive',
options: [
{
name: 'archive',
alias: 'a',
description: 'PAK archive path',
type: 'string',
required: true
},
{
name: 'filter',
alias: 'f',
description: 'File filter pattern',
type: 'string'
},
{
name: 'type',
alias: 't',
description: 'Filter by asset type',
type: 'string'
},
{
name: 'format',
description: 'Output format (table, json, csv)',
type: 'string',
default: 'table'
}
],
execute: async (args) => {
await this.executeListCommand(args);
}
});
// Extract command
this.registerCommand({
name: 'extract',
description: 'Extract files from archives',
options: [
{
name: 'archive',
alias: 'a',
description: 'Archive path',
type: 'string',
required: true
},
{
name: 'output',
alias: 'o',
description: 'Output directory',
type: 'string',
required: true
},
{
name: 'files',
alias: 'f',
description: 'Files to extract (patterns supported)',
type: 'array'
},
{
name: 'convert',
alias: 'c',
description: 'Convert assets during extraction',
type: 'boolean',
default: false
}
],
execute: async (args) => {
await this.executeExtractCommand(args);
}
});
// Preview command
this.registerCommand({
name: 'preview',
description: 'Generate previews of assets',
options: [
{
name: 'file',
alias: 'f',
description: 'Asset file path',
type: 'string',
required: true
},
{
name: 'type',
alias: 't',
description: 'Preview type (auto, image, model, text)',
type: 'string',
default: 'auto'
},
{
name: 'size',
alias: 's',
description: 'Preview size (WxH)',
type: 'string',
default: '512x512'
},
{
name: 'output',
alias: 'o',
description: 'Output file path',
type: 'string'
}
],
execute: async (args) => {
await this.executePreviewCommand(args);
}
});
// Convert command
this.registerCommand({
name: 'convert',
description: 'Convert assets to standard formats',
options: [
{
name: 'input',
alias: 'i',
description: 'Input file or directory',
type: 'string',
required: true
},
{
name: 'output',
alias: 'o',
description: 'Output directory',
type: 'string',
required: true
},
{
name: 'format',
alias: 'f',
description: 'Target format',
type: 'string'
},
{
name: 'recursive',
alias: 'r',
description: 'Process directories recursively',
type: 'boolean',
default: false
},
{
name: 'parallel',
alias: 'p',
description: 'Number of parallel workers',
type: 'number',
default: 4
}
],
execute: async (args) => {
await this.executeConvertCommand(args);
}
});
// Analyze command
this.registerCommand({
name: 'analyze',
description: 'Analyze archive structure and performance',
options: [
{
name: 'archive',
alias: 'a',
description: 'Archive path',
type: 'string',
required: true
},
{
name: 'report',
alias: 'r',
description: 'Generate detailed report',
type: 'boolean',
default: false
},
{
name: 'output',
alias: 'o',
description: 'Report output file',
type: 'string'
}
],
execute: async (args) => {
await this.executeAnalyzeCommand(args);
}
});
}
parseArguments(argv) {
const args = { _: [] };
for (let i = 0; i < argv.length; i++) {
const arg = argv[i];
if (arg.startsWith('--')) {
const key = arg.slice(2);
const nextArg = argv[i + 1];
if (nextArg && !nextArg.startsWith('-')) {
args[key] = nextArg;
i++;
}
else {
args[key] = true;
}
}
else if (arg.startsWith('-')) {
const key = arg.slice(1);
const nextArg = argv[i + 1];
if (nextArg && !nextArg.startsWith('-')) {
args[key] = nextArg;
i++;
}
else {
args[key] = true;
}
}
else {
args._.push(arg);
}
}
return args;
}
showHelp() {
console.log('unpak.js Asset Inspector CLI\n');
console.log('Usage: unpak-cli <command> [options]\n');
console.log('Commands:');
for (const command of this.commands.values()) {
console.log(` ${command.name.padEnd(12)} ${command.description}`);
}
console.log('\nUse "unpak-cli <command> --help" for more information about a command.');
}
async executeInfoCommand(args) {
const filePath = args.file || args.f;
if (!filePath) {
console.error('File path is required');
return;
}
try {
console.log(`Analyzing asset: ${filePath}`);
// Simulate asset info extraction
const info = {
path: filePath,
type: this.guessAssetType(filePath),
size: this.getFileSize(filePath),
version: '1.0',
dependencies: [],
properties: {},
metadata: {
lastModified: new Date().toISOString(),
checksum: 'abc123'
}
};
this.displayAssetInfo(info, args.verbose || args.v, args.output || args.o);
}
catch (error) {
console.error('Failed to analyze asset:', error);
}
}
async executeListCommand(args) {
const archivePath = args.archive || args.a;
if (!archivePath) {
console.error('Archive path is required');
return;
}
console.log(`Listing files in archive: ${archivePath}`);
// Simulate file listing
const files = [
{ path: 'Content/Characters/Hero.uasset', type: 'SkeletalMesh', size: 1024000 },
{ path: 'Content/Materials/Hero_Mat.uasset', type: 'Material', size: 512000 },
{ path: 'Content/Textures/Hero_Diffuse.uasset', type: 'Texture2D', size: 2048000 }
];
this.displayFileList(files, args.format);
}
async executeExtractCommand(args) {
const archivePath = args.archive || args.a;
const outputPath = args.output || args.o;
if (!archivePath || !outputPath) {
console.error('Archive and output paths are required');
return;
}
console.log(`Extracting from ${archivePath} to ${outputPath}`);
// Simulate extraction
const filesToExtract = args.files || ['*'];
console.log(`Extracting ${filesToExtract.length} file patterns...`);
console.log('Extraction completed successfully');
}
async executePreviewCommand(args) {
const filePath = args.file || args.f;
if (!filePath) {
console.error('File path is required');
return;
}
console.log(`Generating preview for: ${filePath}`);
const previewType = args.type || args.t || 'auto';
const size = args.size || args.s || '512x512';
const outputPath = args.output || args.o;
console.log(`Preview type: ${previewType}, Size: ${size}`);
if (outputPath) {
console.log(`Preview saved to: ${outputPath}`);
}
else {
console.log('Preview displayed in terminal (text representation)');
}
}
async executeConvertCommand(args) {
const inputPath = args.input || args.i;
const outputPath = args.output || args.o;
if (!inputPath || !outputPath) {
console.error('Input and output paths are required');
return;
}
console.log(`Converting from ${inputPath} to ${outputPath}`);
const format = args.format || args.f || 'auto';
const parallel = args.parallel || args.p || 4;
console.log(`Target format: ${format}, Workers: ${parallel}`);
console.log('Conversion completed successfully');
}
async executeAnalyzeCommand(args) {
const archivePath = args.archive || args.a;
if (!archivePath) {
console.error('Archive path is required');
return;
}
console.log(`Analyzing archive: ${archivePath}`);
// Simulate analysis
const analysis = {
totalFiles: 1234,
totalSize: '2.4 GB',
compressionRatio: '65%',
assetTypes: {
'Texture2D': 456,
'StaticMesh': 234,
'Material': 123,
'Sound': 89
},
largestFiles: [
{ path: 'Content/Textures/Large.uasset', size: '50 MB' },
{ path: 'Content/Audio/Music.uasset', size: '45 MB' }
]
};
this.displayAnalysis(analysis, args.report || args.r, args.output || args.o);
}
guessAssetType(filePath) {
const ext = path.extname(filePath).toLowerCase();
const typeMap = {
'.uasset': 'UAsset',
'.umap': 'Level',
'.pak': 'PAK Archive',
'.utoc': 'IoStore TOC',
'.ucas': 'IoStore CAS'
};
return typeMap[ext] || 'Unknown';
}
getFileSize(filePath) {
try {
return fs.statSync(filePath).size;
}
catch {
return 0;
}
}
displayAssetInfo(info, verbose, format) {
if (format === 'json') {
console.log(JSON.stringify(info, null, 2));
return;
}
console.log('\nAsset Information:');
console.log(` Path: ${info.path}`);
console.log(` Type: ${info.type}`);
console.log(` Size: ${(info.size / 1024).toFixed(1)} KB`);
if (verbose) {
console.log(` Version: ${info.version}`);
console.log(` Dependencies: ${info.dependencies?.length || 0}`);
if (info.metadata) {
console.log('\nMetadata:');
for (const [key, value] of Object.entries(info.metadata)) {
console.log(` ${key}: ${value}`);
}
}
}
}
displayFileList(files, format) {
if (format === 'json') {
console.log(JSON.stringify(files, null, 2));
return;
}
console.log('\nFiles:');
console.log('Path'.padEnd(50) + 'Type'.padEnd(20) + 'Size');
console.log('-'.repeat(80));
for (const file of files) {
const sizeStr = `${(file.size / 1024).toFixed(1)} KB`;
console.log(file.path.padEnd(50) +
file.type.padEnd(20) +
sizeStr);
}
}
displayAnalysis(analysis, detailed, outputFile) {
const output = detailed ? JSON.stringify(analysis, null, 2) :
`Archive contains ${analysis.totalFiles} files (${analysis.totalSize})`;
if (outputFile) {
fs.writeFileSync(outputFile, output);
console.log(`Analysis report saved to: ${outputFile}`);
}
else {
console.log('\nAnalysis Results:');
console.log(output);
}
}
}
exports.AssetInspectorCLI = AssetInspectorCLI;
/**
* Batch Processing Utility
*/
class BatchProcessor {
maxConcurrent;
processingQueue = [];
activeJobs = 0;
constructor(maxConcurrent = 4) {
this.maxConcurrent = maxConcurrent;
}
/**
* Add a job to the processing queue
*/
addJob(job) {
this.processingQueue.push(job);
}
/**
* Process all queued jobs
*/
async processAll() {
const promises = [];
while (this.processingQueue.length > 0 || this.activeJobs > 0) {
while (this.activeJobs < this.maxConcurrent && this.processingQueue.length > 0) {
const job = this.processingQueue.shift();
this.activeJobs++;
const promise = job().finally(() => {
this.activeJobs--;
});
promises.push(promise);
}
if (promises.length > 0) {
await Promise.race(promises);
// Remove completed promises
const completedIndex = promises.findIndex(p => p._settled ||
Promise.resolve(p) === p);
if (completedIndex >= 0) {
promises.splice(completedIndex, 1);
}
}
if (this.processingQueue.length === 0 && this.activeJobs === 0) {
break;
}
// Small delay to prevent busy waiting
await new Promise(resolve => setTimeout(resolve, 10));
}
// Wait for all remaining promises
await Promise.all(promises);
}
/**
* Get queue statistics
*/
getStats() {
return {
queued: this.processingQueue.length,
active: this.activeJobs,
total: this.processingQueue.length + this.activeJobs
};
}
}
exports.BatchProcessor = BatchProcessor;
//# sourceMappingURL=AssetInspectorCLI.js.map