// ==UserScript==
// @name         MooMoo.io Auto Triple Mill
// @namespace    https://greasyfork.org/users/1064285-vcrazy-gaming
// @version      0.2
// @description  Automatically place Triple Mill in MooMoo.io when the [M] key is pressed.
// @match        *://moomoo.io/*
// @match        *://*.moomoo.io/*
// @author       _VcrazY_
// @require      https://cdn.jsdelivr.net/npm/msgpack-lite@0.1.26/dist/msgpack.min.js
// @grant        none
// @icon         https://moomoo.io/img/favicon.png?v=1
// @license      MIT
// @downloadURL https://update.greasyfork.icu/scripts/473948/MooMooio%20Auto%20Triple%20Mill.user.js
// @updateURL https://update.greasyfork.icu/scripts/473948/MooMooio%20Auto%20Triple%20Mill.meta.js
// ==/UserScript==
(() => {
  // Constants and Variables
  let ws = null;
  let x = 0;
  let y = 0;
  let msgpack5 = window.msgpack;
  let scale = 45;
  let placeOffset = 5;
  let autoMill = false;
  const inventory = {
    primary: null,
    secondary: null,
    food: null,
    wall: null,
    spike: null,
    mill: null,
    mine: null,
    boostPad: null,
    trap: null,
    turret: null,
    spawnpad: null
  };
  const vars = {
    camX: 0,
    camY: 0
  };
  const myPlayer = {
    sid: null,
    x: null,
    y: null,
    dir: null,
    buildIndex: null,
    weaponIndex: null,
    weaponVariant: null,
    team: null,
    isLeader: null,
    skinIndex: null,
    tailIndex: null,
    iconIndex: null
  };

  // Helper Functions

  /**
   * Utility function to join arrays
   * @param {Array} message - The array to join
   * @returns {Array} - Joined array
   */
  const join = message => Array.isArray(message) ? [...message] : [...message];

  /**
   * Hook function for WebSocket
   * @param {object} ms - WebSocket message
   */
  const hookWS = ms => {
    let tmpData = msgpack5.decode(new Uint8Array(ms.data));
    if ((ms = undefined) || (tmpData = (ms = tmpData.length > 1 ? [tmpData[0], ...join(tmpData[1])] : tmpData)[0]) || ms) {
      if ("C" == tmpData && null === myPlayer.sid && (myPlayer.sid = ms[1]) || "a" == tmpData) {
        for (tmpData = 0; tmpData < ms[1].length / 13; tmpData++) {
          let data = ms[1].slice(13 * tmpData, 13 * (tmpData + 1));
          if (data[0] == myPlayer.sid) {
            Object.assign(myPlayer, {
              x: data[1],
              y: data[2],
              dir: data[3],
              buildIndex: data[4],
              weaponIndex: data[5],
              weaponVariant: data[6],
              team: data[7],
              isLeader: data[8],
              skinIndex: data[9],
              tailIndex: data[10],
              iconIndex: data[11]
            });
          }
        }
      }
      vars.camX || (vars.camX = myPlayer.x);
      vars.camY || (vars.camY = myPlayer.y);
      if (y !== myPlayer.y || x !== myPlayer.x) {
        // AUTO MILL CODE:
        if (Math.atan2(y - myPlayer.y, x - myPlayer.x) < (scale + placeOffset) * 2) {
          if (autoMill) {
            let angle = Math.atan2(y - myPlayer.y, x - myPlayer.x);
            place(inventory.mill, angle + Math.PI / 2.5);
            place(inventory.mill, angle);
            place(inventory.mill, angle - Math.PI / 2.5);
          }
          x = myPlayer.x;
          y = myPlayer.y;
        }
      }
      cacheItems();
    }
  };
  /**
   * Function to emit a packet
   * @param {string} event - Event type
   * @param {*} a - Parameter a
   * @param {*} b - Parameter b
   * @param {*} c - Parameter c
   * @param {*} m - Parameter m
   * @param {*} r - Parameter r
   */
  const emit = (event, a, b, c, m, r) => ws.send(Uint8Array.from([...msgpack5.encode([event, [a, b, c, m, r]])]));

  /**
   * Function to place an item
   * @param {number} event - Event type
   * @param {number} l - Angle
   */
  const place = (event, l) => {
    emit("G", event, false);
    emit("d", 1, l);
    emit("d", 0, l);
    emit("G", myPlayer.weaponIndex, true);
  };

  /**
   * Function to send a chat message
   * @param {string} event - The chat message
   */
  const chat = event => emit("6", event);

  /**
   * Cache the player's items
   */
  const cacheItems = () => {
    for (let c = 0; c < 9; c++) {
      var _document$getElementB;
      if (((_document$getElementB = document.getElementById(`actionBarItem${c}`)) === null || _document$getElementB === void 0 ? void 0 : _document$getElementB.offsetParent) !== null) {
        inventory.primary = c;
      }
    }
    for (let s = 9; s < 16; s++) {
      var _document$getElementB2;
      if (((_document$getElementB2 = document.getElementById(`actionBarItem${s}`)) === null || _document$getElementB2 === void 0 ? void 0 : _document$getElementB2.offsetParent) !== null) {
        inventory.secondary = s;
      }
    }
    for (let P = 16; P < 19; P++) {
      var _document$getElementB3;
      if (((_document$getElementB3 = document.getElementById(`actionBarItem${P}`)) === null || _document$getElementB3 === void 0 ? void 0 : _document$getElementB3.offsetParent) !== null) {
        inventory.food = P - 16;
      }
    }
    for (let f = 19; f < 22; f++) {
      var _document$getElementB4;
      if (((_document$getElementB4 = document.getElementById(`actionBarItem${f}`)) === null || _document$getElementB4 === void 0 ? void 0 : _document$getElementB4.offsetParent) !== null) {
        inventory.wall = f - 16;
      }
    }
    for (let _ = 22; _ < 26; _++) {
      var _document$getElementB5;
      if (((_document$getElementB5 = document.getElementById(`actionBarItem${_}`)) === null || _document$getElementB5 === void 0 ? void 0 : _document$getElementB5.offsetParent) !== null) {
        inventory.spike = _ - 16;
      }
    }
    for (let u = 26; u < 29; u++) {
      var _document$getElementB6;
      if (((_document$getElementB6 = document.getElementById(`actionBarItem${u}`)) === null || _document$getElementB6 === void 0 ? void 0 : _document$getElementB6.offsetParent) !== null) {
        inventory.mill = u - 16;
      }
    }
    for (let I = 29; I < 31; I++) {
      var _document$getElementB7;
      if (((_document$getElementB7 = document.getElementById(`actionBarItem${I}`)) === null || _document$getElementB7 === void 0 ? void 0 : _document$getElementB7.offsetParent) !== null) {
        inventory.mine = I - 16;
      }
    }
    for (let p = 31; p < 33; p++) {
      var _document$getElementB8;
      if (((_document$getElementB8 = document.getElementById(`actionBarItem${p}`)) === null || _document$getElementB8 === void 0 ? void 0 : _document$getElementB8.offsetParent) !== null) {
        inventory.boostPad = p - 16;
      }
    }
    for (let x = 31; x < 33; x++) {
      var _document$getElementB9;
      if (((_document$getElementB9 = document.getElementById(`actionBarItem${x}`)) === null || _document$getElementB9 === void 0 ? void 0 : _document$getElementB9.offsetParent) !== null) {
        inventory.trap = x - 16;
      }
    }
    for (let g = 29; g < 31; g++) {
      var _document$getElementB10;
      if (((_document$getElementB10 = document.getElementById(`actionBarItem${g}`)) === null || _document$getElementB10 === void 0 ? void 0 : _document$getElementB10.offsetParent) !== null && g !== 36) {
        inventory.turret = g - 16;
      }
    }
    inventory.spawnpad = 36;
  };

  // Override WebSocket's send method
  document.msgpack = window.msgpack;
  WebSocket.prototype.oldSend = WebSocket.prototype.send;
  WebSocket.prototype.send = function (event) {
    ws || (document.ws = this, ws = this, document.ws.addEventListener("message", hookWS));
    this.oldSend(event);
  };

  // Event listener for [M] key to toggle autoMill
  document.addEventListener("keydown", event => {
    if (event.keyCode === 77 && document.activeElement.id.toLowerCase() !== 'chatbox') {
      autoMill = !autoMill;
      chat(`Auto Triple Mill : ${autoMill ? 'enabled' : 'disabled'}`);
    }
  });
})();