grenadethrowers.ts

const log = console.log;

import demofile = require("demofile");
import * as fs from "fs";

if (process.argv.length < 3) {
  log("Specify the full path to a demo");
  log("e.g.: ./index.js ~/test.dem");

  process.exit(1);
}

const demoPath: string = process.argv[2];
let grenades: { [userid: number]: any[] } = {};

const demo = new demofile.DemoFile();
demo.on("end", () => {
  console.timeEnd("parseDemo");
});

demo.gameEvents.on("round_officially_ended", () => {
  grenades = {};
});

demo.gameEvents.on("weapon_fire", (e: any) => {
  if (e.weapon === "hegrenade") {
    if (!grenades[e.userid]) {
      grenades[e.userid] = [];
    }

    const player = demo.entities.getByUserId(e.userid);
    const p = {
      x: player.position.x,
      y: player.position.y,
      z: player.position.z,
    };

    // log(`New throw at ${p.x},${p.y},${p.z}`);
    grenades[e.userid].push(p);
  }
});

demo.gameEvents.on("hegrenade_detonate", (e: any) => {
  if (grenades[e.userid]) {
    const et = grenades[e.userid].shift();
    log(`Position at throw ${et.x},${et.y},${et.z} position detonate ${e.x},${e.y},${e.z}`);
  } else {
    log("Detonate with no matching throw :(");
  }
});

fs.readFile(demoPath, (err: NodeJS.ErrnoException, buffer: Buffer) => {
  if (err) {
    throw err;
  }

  log(`Processing ${demoPath}`);
  demo.parse(buffer);
});

console.time("parseDemo");