flashlight_sync.js

let flashlightDistance = 20;
let flashlightBrightness = 5;
let flashlightRoundness = 0.1;
let flashlightRadius = 30;
let flashlightFalloff = 2;

const IS_FLASH_LIGHT_ON = '0x4B7620C47217126C';
const GET_CURRENT_PED_WEAPON_ENTITY_INDEX = '0x3B390A939AF0B5FC';

mp.events.add('render', () => {
  mp.players.forEachInStreamRange((player) => {
    if (player.weapon != 0x8BB05FD7 || (player == mp.players.local &&
      mp.game.invoke(IS_FLASH_LIGHT_ON, mp.players.local.handle) == 1)) {
      return;
    }

    const flashlightHandle = mp.game.invoke(GET_CURRENT_PED_WEAPON_ENTITY_INDEX,
        player.handle);
    if (!flashlightHandle) {
      return;
    }

    const flashlight = mp.objects.newWeak(flashlightHandle);
    if (!flashlight) {
      return;
    }

    const coords = flashlight.getCoords(false);
    const rotation = flashlight.getRotation(2);
    const fwdVector = getWeaponForwardVector(rotation.x, rotation.y,
        rotation.z);
    mp.game.graphics.drawSpotLightWithShadow(coords.x + (fwdVector.x * 0.3),
        coords.y + (fwdVector.y * 0.3), coords.z + (fwdVector.z * 0.3),
        fwdVector.x, fwdVector.y, fwdVector.z, 255, 255, 230,
        flashlightDistance, flashlightBrightness, flashlightRoundness,
        flashlightRadius, flashlightFalloff, player.remoteId + 1);
  });
});

function getWeaponForwardVector(x, y, z) {
  x *= Math.PI / 180;
  y *= Math.PI / 180;
  z *= Math.PI / 180;

  const cosx = Math.cos(x);
  const sinx = Math.sin(x);
  const cosy = Math.cos(y);
  const siny = Math.sin(y);
  const cosz = Math.cos(z);
  const sinz = Math.sin(z);

  const m20 = cosz*siny + cosy*sinz*sinx;
  const m21 = sinz*siny - cosz*cosy*sinx;
  const m22 = cosx*cosy;

  return new mp.Vector3(m20, m21, m22);
}


// Debug commands

mp.events.add('playerCommand', (command) => {
  const args = command.split(/[ ]+/);
  const commandName = args[0];

  args.shift();

  if (commandName == 'brightness') {
    flashlightBrightness = Number(args[0]);
  }
  if (commandName == 'roundness') {
    flashlightRoundness = Number(args[0]);
  }
  if (commandName == 'radius') {
    flashlightRadius = Number(args[0]);
  }
  if (commandName == 'falloff') {
    flashlightFalloff = Number(args[0]);
  }
  if (commandName == 'distance') {
    flashlightDistance = Number(args[0]);
  }
});