// Dump sacred.exe's combat-art definition tables (see docs/skill-slots.md).
//   node tools/arttable.mjs <exe> [id...]   (ids hex, e.g. 3f7; none: all)
import { readFileSync } from "node:fs";

const [exePath, ...ids] = process.argv.slice(2);
const file = readFileSync(exePath);
const pe = file.readUInt32LE(0x3c);
const sections = file.readUInt16LE(pe + 6);
const optional = file.readUInt16LE(pe + 20);
const imageBase = file.readUInt32LE(pe + 52);
const table = pe + 24 + optional;
function offset(va) {
  for (let i = 0; i < sections; i++) {
    const s = table + i * 40;
    const vsize = file.readUInt32LE(s + 8), vaddr = file.readUInt32LE(s + 12);
    const raw = file.readUInt32LE(s + 20), rawSize = file.readUInt32LE(s + 16);
    const rva = va - imageBase;
    if (rva >= vaddr && rva < vaddr + vsize) return rva - vaddr < rawSize ? rva - vaddr + raw : -1;
  }
  return -1;
}
const tables = [
  { name: "A", base: 0x94ddb0, stride: 0x78, end: 0x950a38 },
  { name: "B", base: 0x950a38, stride: 0x94, end: 0x953344 },
];
const wanted = new Set(ids.map((t) => parseInt(t, 16)));
for (const t of tables) {
  for (let va = t.base; va < t.end; va += t.stride) {
    const o = offset(va);
    if (o < 0) { console.log(t.name, va.toString(16), "(no file data: filled at runtime)"); break; }
    const id = file.readUInt16LE(o);
    if (wanted.size && !wanted.has(id)) continue;
    const words = [];
    for (let k = 0; k < t.stride; k += 4) words.push(file.readUInt32LE(o + k).toString(16).padStart(8, "0"));
    console.log(`${t.name} ${va.toString(16)} id ${id.toString(16)}: ${words.join(" ")}`);
  }
}