Hax Emotion Avatars

Tap a button to show your emotion!
当前为 2019-06-07 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         Hax Emotion Avatars
// @version      0.1
// @description  Tap a button to show your emotion!
// @author       You
// @match        https://www.haxball.com/play
// @grant        none
// @namespace https://gf.qytechs.cn/users/307752
// ==/UserScript==

(function() {
  "use strict"; // SET DURATION FOR AVATAR TO APPEAR
  var duration = 800;
  // SET DEFAULT AVATAR
  var def = ":)";

  // USE THE SWITCH STATEMENT TO CHANGE THE EMOJIS
  function process(key) {
    var avatar = "";
    switch (key) {
      case "6":
        avatar = "👏";
        break;
      case "7":
        avatar = "👋";
        break;
      case "8":
        avatar = "👀";
        break;
      case "9":
        avatar = "😨";
        break;
    }
    if (avatar != "") {
      setAvatar(avatar);
      setTimeout(function() {
        setAvatar(def);
      }, duration);
    }
  }

  // code to change the avatar
  function setAvatar(avatar) {
    console.log("avatar: " + avatar);
    iframe.querySelectorAll("[data-hook='input']")[0].value =
      "/avatar " + avatar;
    iframe.querySelectorAll("[data-hook='send']")[0].click();
  }

  // listens to key presses.
  var listener = function(event) {
    const key = event.key;
    process(key);
  };

  var iframe = document.querySelector("iframe").contentWindow.document.body;

  // when we find a new game pitch
  var observer = new MutationObserver(function(mutations) {
    mutations.forEach(function(mutation) {
      for (var i = 0; i < mutation.addedNodes.length; i++) {
        if (
          mutation.addedNodes[i].className == "game-state-view" ||
          mutation.addedNodes[i].className == "game-view"
        ) {
          var canvas = mutation.addedNodes[i].querySelector("canvas");
          canvas.tabIndex = 1;
          canvas.focus();
          canvas.removeEventListener("keydown", listener, true);
          canvas.addEventListener("keydown", listener, true);
        }
      }
    });
  });
  // register for element updates.
  observer.observe(
    document.querySelector("iframe").contentWindow.document.body,
    {
      childList: true,
      subtree: true
    }
  );
})();
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