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class CharParser {
private char_line =
"^" +
"(?<char_id>[0-9]+)\t" +
"(?<account_id>[0-9]+),(?<char_num>[0-9]+)\t" +
"(?<name>[^\t]+)\t" +
"(?<species>[0-9]+),(?<base_level>[0-9]+),(?<job_level>[0-9]+)\t" +
"(?<base_exp>[0-9]+),(?<job_exp>[0-9]+),(?<zeny>[0-9]+)\t" +
"(?<hp>[0-9]+),(?<max_hp>[0-9]+),(?<sp>[0-9]+),(?<max_sp>[0-9]+)\t" +
"(?<str>[0-9]+),(?<agi>[0-9]+),(?<vit>[0-9]+),(?<int>[0-9]+),(?<dex>[0-9]+),(?<luk>[0-9]+)\t" +
"(?<status_point>[0-9]+),(?<skill_point>[0-9]+)\t" +
"(?<option>[0-9]+),(?<karma>[0-9]+),(?<manner>[0-9]+)\t" +
"(?<party_id>[0-9]+),[0-9]+,[0-9]+\t" +
"(?<hair>[0-9]+),(?<hair_color>[0-9]+),(?<clothes_color>[0-9]+)\t" +
"(?<weapon>[0-9]+),(?<shield>[0-9]+),(?<head_top>[0-9]+),(?<head_mid>[0-9]+),(?<head_bottom>[0-9]+)\t" +
"(?<last_map>[^,]+),(?<last_x>[0-9]+),(?<last_y>[0-9]+)\t" +
"(?<save_map>[^,]+),(?<save_x>[0-9]+),(?<save_y>[0-9]+),(?<partner_id>[0-9]+)\t" +
"(?<sex>[FMNS])\t" + // <= ignore S to ignore server accounts
"(?<items>([0-9]+,(?<nameid>[0-9]+),(?<amount>[0-9]+),(?<equip>[0-9]+),[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+ )*)\t" + // inventory
"\t" + // cart
"(?<skills>((?<skill_id>[0-9]+),(?<skill_lv>[0-9]+) )*)\t" +
"(?<variables>((?<var_name>[^,]+),(?<value>[-0-9]+) )*)\t" + // some chars have negative variables (overflows)
"$";
private char_items_line = "[0-9]+,(?<nameid>[0-9]+),(?<amount>[0-9]+),(?<equip>[0-9]+),[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+ ";
private char_regex: RegExp;
private char_regex_items: RegExp;
constructor () {
this.char_regex = new RegExp(this.char_line);
this.char_regex_items = new RegExp(this.char_items_line, "g");
}
private parseLine (line: string) {
const match = this.char_regex.exec(line);
if (!(match instanceof Object) || !Reflect.has(match, "groups")) {
console.error("line does not match the char regex:", line);
throw new SyntaxError();
}
const groups = (match as any).groups;
let items = [];
if (groups.items.length > 1) {
let match_items = this.char_regex_items.exec(groups.items);
while (match_items !== null) {
items.push((match_items as any).groups);
match_items = this.char_regex_items.exec(groups.items);
}
}
groups.items = items;
return groups;
}
public async * readDB () {
const decoder = new TextDecoder("utf-8");
console.info("\nwalking through athena.txt...");
const file = await Deno.open("world/save/athena.txt");
const buf = new Uint8Array(1024);
let accumulator = "";
while (true) {
const nread = await Deno.read(file.rid, buf);
if (nread === Deno.EOF) {
break;
}
const str = decoder.decode(buf);
for (let c of str) {
if (c === "\n") {
if (accumulator.length === 14) {
// this is the newid line
break;
}
yield this.parseLine(accumulator);
accumulator = "";
} else {
accumulator += c;
}
}
}
}
}
class CharWriter {
private file;
private highest: number = 0;
private encoder;
constructor () {
try {
Deno.removeSync("world/save/athena.txt.tmp");
} catch {
// ignore this
}
this.file = Deno.openSync("world/save/athena.txt.tmp", "a+");
this.encoder = new TextEncoder();
}
async write (char: any) {
let line =
`${char.char_id}\t` +
`${char.account_id},${char.char_num}\t` +
`${char.name}\t` +
`${char.species},${char.base_level},${char.job_level}\t` +
`${char.base_exp},${char.job_exp},${char.zeny}\t` +
`${char.hp},${char.max_hp},${char.sp},${char.max_sp}\t` +
`${char.str},${char.agi},${char.vit},${char.int},${char.dex},${char.luk}\t` +
`${char.status_point},${char.skill_point}\t` +
`${char.option},${char.karma},${char.manner}\t` +
`${char.party_id},0,0\t` +
`${char.hair},${char.hair_color},${char.clothes_color}\t` +
`${char.weapon},${char.shield},${char.head_top},${char.head_mid},${char.head_bottom}\t` +
`${char.last_map},${char.last_x},${char.last_y}\t` +
`${char.save_map},${char.save_x},${char.save_y},${char.partner_id}\t` +
`${char.sex}\t`;
for (let item of char.items) {
line += `0,${item.nameid},${item.amount},${item.equip},1,0,0,0,0,0,0,0 `;
}
line += `\t`; // end of items
line += `\t`; // cart
line += `${char.skills}\t`;
line += `${char.variables}\t`;
line += `\n`;
await Deno.write(this.file.rid, this.encoder.encode(line));
if (+char.char_id > this.highest) {
this.highest = +char.char_id;
}
}
async finalize(dry_run: boolean = false) {
console.info("appending %newid%...");
await Deno.write(this.file.rid, this.encoder.encode(`${this.highest + 1}\t%newid%\n`));
this.file.close();
if (dry_run) {
Deno.removeSync("world/save/athena.txt.tmp");
} else {
console.info("overwriting athena.txt...");
await Deno.rename("world/save/athena.txt", "world/save/athena.txt_pre-frob");
await Deno.rename("world/save/athena.txt.tmp", "world/save/athena.txt");
}
}
}
export {
CharParser,
CharWriter,
}
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