412 lines
8.2 KiB
JavaScript
412 lines
8.2 KiB
JavaScript
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var socket = io.connect();
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var KEYCODES = {
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STRG: 17,
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CTRL: 17,
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CTRLRIGHT: 18,
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CTRLR: 18,
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SHIFT: 16,
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RETURN: 13,
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ENTER: 13,
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BACKSPACE: 8,
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BCKSP:8,
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ALT: 18,
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ALTR: 17,
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ALTRIGHT: 17,
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SPACE: 32,
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WIN: 91,
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MAC: 91,
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FN: null,
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UP: 38,
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DOWN: 40,
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LEFT: 37,
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RIGHT: 39,
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ESC: 27,
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DEL: 46,
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F1: 112,
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F2: 113,
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F3: 114,
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F4: 115,
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F5: 116,
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F6: 117,
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F7: 118,
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F8: 119,
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F9: 120,
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F10: 121,
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F11: 122,
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F12: 123,
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'backspace' : '8',
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'tab' : '9',
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'enter' : '13',
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'shift' : '16',
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'ctrl' : '17',
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'alt' : '18',
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'pause_break' : '19',
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'caps_lock' : '20',
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'escape' : '27',
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'page_up' : '33',
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'page down' : '34',
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'end' : '35',
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'home' : '36',
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'left_arrow' : '37',
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'up_arrow' : '38',
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'right_arrow' : '39',
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'down_arrow' : '40',
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'insert' : '45',
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'delete' : '46',
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'0' : '48',
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'1' : '49',
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'2' : '50',
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'3' : '51',
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'4' : '52',
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'5' : '53',
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'6' : '54',
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'7' : '55',
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'8' : '56',
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'9' : '57',
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'a' : '65',
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'b' : '66',
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'c' : '67',
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'd' : '68',
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'e' : '69',
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'f' : '70',
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'g' : '71',
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'h' : '72',
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'i' : '73',
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'j' : '74',
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'k' : '75',
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'l' : '76',
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'm' : '77',
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'n' : '78',
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'o' : '79',
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'p' : '80',
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'q' : '81',
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'r' : '82',
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's' : '83',
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't' : '84',
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'u' : '85',
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'v' : '86',
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'w' : '87',
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'x' : '88',
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'y' : '89',
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'z' : '90',
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'left_window key' : '91',
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'right_window key' : '92',
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'select_key' : '93',
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'numpad 0' : '96',
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'numpad 1' : '97',
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'numpad 2' : '98',
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'numpad 3' : '99',
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'numpad 4' : '100',
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'numpad 5' : '101',
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'numpad 6' : '102',
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'numpad 7' : '103',
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'numpad 8' : '104',
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'numpad 9' : '105',
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'multiply' : '106',
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'add' : '107',
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'subtract' : '109',
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'decimal point' : '110',
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'divide' : '111',
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'f1' : '112',
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'f2' : '113',
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'f3' : '114',
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'f4' : '115',
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'f5' : '116',
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'f6' : '117',
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'f7' : '118',
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'f8' : '119',
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'f9' : '120',
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'f10' : '121',
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'f11' : '122',
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'f12' : '123',
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'num_lock' : '144',
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'scroll_lock' : '145',
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'semi_colon' : '186',
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'equal_sign' : '187',
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'comma' : '188',
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'dash' : '189',
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'period' : '190',
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'forward_slash' : '191',
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'grave_accent' : '192',
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'open_bracket' : '219',
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'backslash' : '220',
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'closebracket' : '221',
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'single_quote' : '222'
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}
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var sounds = {};
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// Fix up prefixing
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window.AudioContext = window.AudioContext || window.webkitAudioContext;
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var context = new AudioContext();
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var mastergain = context.createGain();
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mastergain.gain.value = 1;
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binded = [];
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function bindkey(strkey, verbal, action, keyup) {
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var l = false;
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binded.forEach(function (existing) {
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if (existing.action == action) {
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l = true;
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existing = {
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keystr: strkey,
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keyid: KEYCODES[strkey],//.toLowerCase()],
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action: action,
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verbal: verbal,
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keyup: keyup
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};
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return false;
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}
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})
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if (!l) {
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binded.push({
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keystr: strkey,
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keyid: KEYCODES[strkey],//.toLowerCase()],
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action: action,
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verbal: verbal,
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keyup: keyup
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});
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}
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}
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window.addEventListener("keydown", function (e) {
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console.log(e.which);
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binded.forEach(function (keybind) {
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if (e.which == keybind.keyid) {
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if (keybind.preventRepeat != true) {
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keybind.action();
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e.preventDefault();
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document.querySelector("td[data-key='" + keybind.keystr + "']").classList.add("active");
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if (!keybind.keyup) {
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setTimeout(function () {
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[].forEach.call(document.querySelectorAll("td[data-key]"), function (ele) {
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ele.classList.remove("active");
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});
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}, 300);
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}
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keybind.preventRepeat = true;
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return false;
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}
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}
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});
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}, false);
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window.addEventListener("keyup", function (e) {
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binded.forEach(function (keybind) {
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if (e.which == keybind.keyid) {
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keybind.preventRepeat = false;
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if (keybind.keyup) {
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keybind.keyup();
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e.preventDefault();
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[].forEach.call(document.querySelectorAll("td[data-key]"), function (ele) {
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ele.classList.remove("active");
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});
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return false;
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}
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}
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});
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}, false);
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var shiftrate = 0.1;
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var movegaintoint = null;
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function movegainto(val, changeslider) {
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val = Math.round(val * 1000) / 1000;
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console.log(val);
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clearInterval(movegaintoint);
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movegaintoint = null;
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movegaintoint = setInterval(function () {
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mastergain.gain.value += (val - mastergain.gain.value) * shiftrate;
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document.querySelector("#gainval").innerHTML = mastergain.gain.value;
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if (changeslider == true) {
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document.querySelector("#gainctrl").value = mastergain.gain.value;
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}
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if (Math.round(mastergain.gain.value * 1000) / 1000 == val) {
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clearInterval(movegaintoint);
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mastergain.gain.value = val;
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movegaintoint = null;
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}
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}, 100);
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}
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document.querySelector("#gainctrl").addEventListener("change", function (e) {
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movegainto(e.target.value, true);
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}, false);
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document.querySelector("#reset").addEventListener("click", function (e) {
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movegainto(1, true);
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}, true);
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function loadsound(idname, url, gain) {
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var request = new XMLHttpRequest();
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request.open('GET', url, true);
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request.responseType = 'arraybuffer';
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sounds[idname] = {
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url: url,
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buffer: null,
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id: idname,
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gain: gain,
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play: function () {
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playsound(this.buffer, this.gain);
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},
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bindkey: function (key) {
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bindkey(key, idname);
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}
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};
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// Decode asynchronously
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request.onload = function () {
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context.decodeAudioData(request.response, function(buffer) {
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sounds[idname].buffer = buffer;
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}, function (e) {
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console.error(e);
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});
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}
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request.send();
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}
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var nowplaying = [];
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function playsound(buffer, gain) {
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var volume = context.createGain();
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volume.gain.value = gain;
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var source = context.createBufferSource();
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source.buffer = buffer;
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source.connect(volume);
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volume.connect(mastergain);
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mastergain.connect(context.destination);
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source.start(0);
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setTimeout(function () {
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nowplaying.push(source);
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}, 150);
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source.onended = function () {
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nowplaying.splice(tostop.indexOf(source), 1);
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}
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}
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function stopall() {
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nowplaying.forEach(function (src) {
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src.stop();
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});
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nowplaying = [];
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}
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function updatekeys() {
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var ht = "<table><tr><th>key</th><th>verbal</th><th>action</th><!-- <th>url</th> --></tr>";
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binded.forEach(function (keybind) {
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// ht += "<tr><td>" + keybind.keystr + "</td><td>" + keybind.verbal + "</td><td>" + keybind.action + "</tr>"; // <!-- <td>" + sounds[keybind.sound].url + "</td> --></tr>";
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ht += "<tr><td data-key='" + keybind.keystr + "'>" + keybind.keystr + "</td><td>" + keybind.verbal + "</td><td>" + "hmmm..." + "</tr>"; // <!-- <td>" + sounds[keybind.sound].url + "</td> --></tr>";
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});
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ht += "</table>";
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document.querySelector("#keys").innerHTML = ht;
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}
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var toload = [
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{
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name: "b5a",
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verbal: "Darkness",
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file: "b5a.wav",
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key: "1",
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gain: 1
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},
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];
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toload.forEach(function (obj) {
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if (Object.prototype.toString.call(obj.file) === '[object Array]') {
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obj.file.forEach(function (str, i) {
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loadsound(obj.name + i, str, obj.gain);
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});
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bindkey(obj.key, obj.verbal, function () {
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var i = Math.floor(Math.random() * obj.file.length);
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sounds[obj.name + i].play();
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});
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}
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else {
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loadsound(obj.name, obj.file, obj.gain);
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bindkey(obj.key, obj.verbal, function () {
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sounds[obj.name].play();
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});
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}
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});
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var beep;
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bindkey("s", "Beep", function () {
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beep = setInterval(function () {
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playiso(2000, 50, 0, 0.5, "sine");
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}, 2000);
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}, function () {
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clearInterval(beep);
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});
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var sbinds = [
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{
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name: "slidea",
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verbal: "A",
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key: "4"
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},
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{
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name: "slideb",
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verbal: "B",
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key: "5"
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},
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{
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name: "blank",
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verbal: "blankscreen",
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key: "0"
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}
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];
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sbinds.forEach(function (obj) {
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bindkey(obj.key, obj.verbal, function () {
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socket.emit("data", {
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name: obj.name
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})
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});
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});
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bindkey("BACKSPACE", "Stop All", function () {
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stopall();
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});
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updatekeys();
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function playiso(freq, time, detune, gain, type) {
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var osc = context.createOscillator();
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var volume = context.createGain();
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volume.gain.value = gain;
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osc.type = type;
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osc.frequency.value = freq;
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osc.detune.value = detune;
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osc.connect(volume);
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volume.connect(mastergain);
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mastergain.connect(context.destination);
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osc.start(0);
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if (time == "callback") {
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return function () {
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osc.stop(context.currentTime);
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}
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}
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else if (time > 0) {
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osc.stop(context.currentTime + time / 1000);
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}
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}
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// var win = window.open("/projection", "projection", "width=640,height=480,left=720,top=0");
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// window.addEventListener("unload", function () {
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// win.close();
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// })
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