83 lines
2.8 KiB
JavaScript
83 lines
2.8 KiB
JavaScript
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const fs = require('fs')
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const path = require('path')
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const util = require('util')
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function inject (bot) {
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bot.commands = {
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commands: {},
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add,
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execute,
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info,
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isCommand,
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loadFromDir,
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isValid
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}
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bot.on('message', (player, message) => {
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if (!message.startsWith(bot.prefix)) { return }
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const args = message.slice(bot.prefix.length).split(' ')
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const command = args.shift().toLowerCase()
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if (!isCommand(command)) { return bot.core.run(`/tellraw @a ${JSON.stringify({ text: `Unknown command: ${bot.prefix}${command}`, color: bot.colors.error })}`) }
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bot.commands.execute(bot, command, player, args)
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})
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function add (command) {
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if (!isValid(command)) throw new Error('Invalid command', 'invalid_command')
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command.aliases.forEach(alias => (bot.commands.commands[alias.toLowerCase()] = command))
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}
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function loadFromDir (dirpath) {
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fs.readdirSync(dirpath).forEach(filename => {
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const filepath = path.resolve(dirpath, filename)
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if (!filepath.endsWith('js') || !fs.statSync(filepath).isFile()) return
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try {
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bot.commands.add(require(filepath))
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} catch (err) {
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bot.console.error('Error loading command ' + filepath + ': ' + util.inspect(err))
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}
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})
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}
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function info (command) {
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const info = bot.commands.commands[command] ?? command
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if (isValid(info)) { return info }
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}
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function isCommand (command) { return bot.commands.info(command) != null }
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async function execute (bot, command, player, args, ...custom) {
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const info = bot.commands.info(command)
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if (info == null) {
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bot.core.run('minecraft:tellraw @a ' + JSON.stringify({ text: 'Unknown command: ' + bot.prefix + command, color: bot.colors.error }))
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return
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}
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if (!info.enabled) {
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bot.core.run('minecraft:tellraw @a ' + JSON.stringify({ text: bot.prefix + command + 'is disabled', color: bot.colors.error }))
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return
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}
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if (info.permLevel > 0) {
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bot.core.run('minecraft:tellraw @a ' + JSON.stringify({ text: 'Trusted commands are currently disabled', color: bot.colors.error }))
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return
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}
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try {
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return await info.execute(bot, command, player, args, ...custom)
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} catch (err) {
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bot.console.error('Error executing command ' + command + ': ' + util.inspect(err))
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bot.core.run('minecraft:tellraw @a ' + JSON.stringify({ text: err.message, color: bot.colors.error }))
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}
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}
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}
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function isValid (command) {
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return command != null &&
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typeof command.execute === 'function' &&
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typeof command.name === 'string' &&
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typeof command.description === 'string' &&
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Array.isArray(command.usages) &&
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Array.isArray(command.aliases) &&
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typeof command.enabled === 'boolean' &&
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command.aliases.length > 0 &&
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typeof command.permLevel === 'number'
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}
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module.exports.bot = inject
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