137 lines
2.4 KiB
JavaScript
137 lines
2.4 KiB
JavaScript
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DWE.Keyboard = {}
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var keyList = {}
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var previousKeyList = {}
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var specialKeyMap = {
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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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'pausebreak': 19,
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'capslock': 20,
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'escape': 27,
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'pgup': 33,
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'pgdown': 34,
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'end': 35,
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'home': 36,
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'left': 37,
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'up': 38,
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'right': 39,
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'down': 40,
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'insert': 45,
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'delete': 46,
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'left-window': 91,
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'right-window': 92,
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'select': 93,
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'numpad0': 96,
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'numpad1': 97,
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'numpad2': 98,
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'numpad3': 99,
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'numpad4': 100,
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'numpad5': 101,
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'numpad6': 102,
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'numpad7': 103,
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'numpad8': 104,
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'numpad9': 105,
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'multiply': 106,
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'add': 107,
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'subtract': 109,
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'decimal': 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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'numlock': 144,
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'scrolllock': 145,
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'semi-colon': 186,
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'equals': 187,
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'comma': 188,
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'dash': 189,
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'period': 190,
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'fwdslash': 191,
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'grave': 192,
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'open-bracket': 219,
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'bkslash': 220,
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'close-braket': 221,
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'single-quote': 222
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}
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DWE.Keyboard.toggleKey = function (keyCode, on) {
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// Find key in special key list
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var key = null
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for (let k in specialKeyMap) {
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let val = specialKeyMap[k]
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if (keyCode === val) {
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key = k
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break
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}
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}
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// Use fromCharCode
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if (!key) {
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key = String.fromCharCode(keyCode).toLowerCase()
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}
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keyList[key] = (on === true)
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}
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DWE.Keyboard.keyDown = function (e) {
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var keycode
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if (window.event)
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keycode = window.event.keyCode
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else if (e)
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keycode = e.which
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DWE.Keyboard.toggleKey(keycode, true)
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}
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DWE.Keyboard.keyUp = function (e) {
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var keycode
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if (window.event)
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keycode = window.event.keyCode
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else if (e)
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keycode = e.which
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DWE.Keyboard.toggleKey(keycode, false)
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}
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function down (key) {
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return keyList[key] != null ? keyList[key] : false
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}
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function downLast (key) {
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return previousKeyList[key] != null ? previousKeyList[key] : false
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}
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DWE.Keyboard.isDown = function (key) {
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return down(key) && downLast(key)
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}
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DWE.Keyboard.isUp = function (key) {
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return !DWE.Keyboard.isDown(key)
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}
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DWE.Keyboard.isPressed = function (key) {
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return down(key) === true && downLast(key) === false
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}
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DWE.Keyboard.nextIteration = function () {
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previousKeyList = {}
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for (let k in keyList) {
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if (keyList[k] === true) {
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previousKeyList[k] = true
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}
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}
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}
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