chipmunkbot3/util/player_data.js

100 lines
2.9 KiB
JavaScript

const PersistentData = require('./persistent_data')
const nbt = require('prismarine-nbt')
class PlayerData extends PersistentData {
_bots = new Set()
parse (data) {
const parsed = {}
data = data.value // * Convenient since I don't need to write data.value a bunch of times
if (data.username) parsed.username = data.username?.value
if (data.seen?.value) {
parsed.seen = {}
if (data.seen.value.first?.value) parsed.seen.first = this.#parseSeenValue(data.seen.value.first)
if (data.seen.value.last?.value) parsed.seen.last = this.#parseSeenValue(data.seen.value.last)
}
if (data.mail?.value?.value && Array.isArray(data.mail.value.value)) {
parsed.mail = data.mail.value.value.map(this.#parseMail)
}
parsed.mailUnread = !!data.mailUnread?.value
return parsed
}
#parseMail (mail) {
return {
sender: String(mail?.sender?.value),
message: String(mail?.message?.value),
host: String(mail?.host?.value),
port: this.#int16ToUint16(Number(mail?.port?.value ?? 25565))
}
}
#parseSeenValue (value) {
if (typeof value.value === 'number' || typeof value.value === 'bigint' || value.type === 'long' /* BigIntExtended moment */) {
return { date: new Date(Number(value.value)) }
}
const result = {}
if (value.value?.date?.value) result.date = new Date(Number(value?.value?.date?.value))
if (value.value?.host?.value) result.host = String(value?.value?.host?.value)
if (value.value?.port?.value) result.port = this.#int16ToUint16(Number(value?.value?.port?.value ?? 25565))
return result
}
#int16ToUint16 (value) {
const uint16Array = new Uint16Array(1)
uint16Array[0] = value
return uint16Array[0]
}
unparse (parsed) {
const data = {}
if (parsed.username) data.username = nbt.string(parsed.username)
if (parsed.seen) {
data.seen = nbt.comp({ first: this.#unparseSeenValue(parsed.seen.first), last: this.#unparseSeenValue(parsed.seen.last) })
}
if (parsed.mail) {
data.mail = nbt.list(nbt.comp(parsed.mail.map(this.#unparseMail)))
}
if (parsed.mailUnread) data.mailUnread = nbt.byte(+parsed.mailUnread)
return nbt.comp(data)
}
#unparseMail (mail) {
const result = {
sender: nbt.string(mail.sender),
message: nbt.string(mail.message),
host: nbt.string(mail.host)
}
if (mail.port !== 25565) result.port = nbt.short(this.#uint16ToInt16(mail.port))
return result
}
#unparseSeenValue (value) {
if (value.host == null && value.port == null) return nbt.long(BigInt(value.date.getTime()))
return nbt.comp({
date: nbt.long(BigInt(value.date.getTime())),
host: nbt.string(value.host),
port: nbt.short(this.#uint16ToInt16(value.port))
})
}
#uint16ToInt16 (value) {
const int16Array = new Int16Array(1)
int16Array[0] = value
return int16Array[0]
}
}
module.exports = PlayerData