virtual-gamepad-lib/cjs/GamepadApiWrapper.js

Emulate and display virtual and real gamepads on the web

"use strict";var f=Object.defineProperty;var l=(g,e,t)=>e in g?f(g,e,{enumerable:!0,configurable:!0,writable:!0,value:t}):g[e]=t;var i=(g,e,t)=>l(g,typeof e!="symbol"?e+"":e,t);Object.defineProperty(exports,Symbol.toStringTag,{value:"Module"});class G{constructor(e){i(this,"updateDelay");i(this,"axisDeadZone");i(this,"buttonConfigs");i(this,"currentStateOfGamepads");i(this,"gamepadConnectListeners");i(this,"gamepadDisconnectListeners");i(this,"gamepadButtonChangeListeners");i(this,"gamepadAxisChangeListeners");i(this,"_requestAnimationFrame");i(this,"_getGamepads");this.updateDelay=e.updateDelay||0,this.axisDeadZone=e.axisDeadZone||0,this.buttonConfigs=e.buttonConfigs||[],this.currentStateOfGamepads=[],this.gamepadConnectListeners=[],this.gamepadDisconnectListeners=[],this.gamepadButtonChangeListeners=[],this.gamepadAxisChangeListeners=[],navigator.gamepadInputEmulation="gamepad",this._requestAnimationFrame=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame,this._getGamepads=navigator.getGamepads||navigator.webkitGetGamepads||navigator.mozGetGamepads||navigator.msGetGamepads,(this.gamepadApiSupported()||navigator.getNativeGamepads!==void 0)&&this.tickLoop()}setButtonsConfig(e){this.buttonConfigs=e}setUpdateDelay(e){this.updateDelay=e}onGamepadConnect(e){return this.gamepadConnectListeners.push(e),window.addEventListener("gamepadconnected",e,!0),e}offGamepadConnect(e){this.gamepadConnectListeners=this.gamepadConnectListeners.filter(t=>t!==e),window.removeEventListener("gamepadconnected",e,!0)}onGamepadDisconnect(e){return this.gamepadDisconnectListeners.push(e),window.addEventListener("gamepaddisconnected",e,!0),e}offGamepadDisconnect(e){this.gamepadDisconnectListeners=this.gamepadDisconnectListeners.filter(t=>t!==e),window.removeEventListener("gamepaddisconnected",e,!0)}onGamepadAxisChange(e){return this.gamepadAxisChangeListeners.push(e),e}offGamepadAxisChange(e){this.gamepadAxisChangeListeners=this.gamepadAxisChangeListeners.filter(t=>t!==e)}onGamepadButtonChange(e){return this.gamepadButtonChangeListeners.push(e),e}offGamepadButtonChange(e){this.gamepadButtonChangeListeners=this.gamepadButtonChangeListeners.filter(t=>t!==e)}gamepadApiSupported(){const e=navigator.getNativeGamepads||navigator.getGamepads||navigator.webkitGetGamepads||navigator.mozGetGamepads||navigator.msGetGamepads;if(e!=null&&typeof e=="function")try{const t=e.apply(navigator);return t!=null&&(t[0]!==void 0||t.length!==0||window.isSecureContext)}catch{return!1}else return!1}getGamepads(){const e=navigator.getGamepads||navigator.webkitGetGamepads||navigator.mozGetGamepads||navigator.msGetGamepads;return e&&typeof e=="function"?e.apply(navigator)||[]:[]}getCurrentGamepadStates(e=!1){return e&&this.checkForGamepadChanges(),this.currentStateOfGamepads}cleanup(){this.updateDelay=-1,this.gamepadConnectListeners.forEach(e=>window.removeEventListener("gamepadconnected",e,!0)),this.gamepadDisconnectListeners.forEach(e=>window.removeEventListener("gamepaddisconnected",e,!0)),this.gamepadConnectListeners=[],this.gamepadDisconnectListeners=[],this.gamepadButtonChangeListeners=[],this.gamepadAxisChangeListeners=[]}tickLoop(){this.updateDelay<0||(this.checkForGamepadChanges(),this.updateDelay==0?requestAnimationFrame(this.tickLoop.bind(this)):setTimeout(()=>{requestAnimationFrame(this.tickLoop.bind(this))},this.updateDelay))}checkForGamepadChanges(){let e=this.getGamepads();for(var t=0;t<e.length;t++){let a=e[t];a&&(this.checkForAxisChanges(t,a),this.checkForButtonChanges(t,a),this.currentStateOfGamepads[t]=a)}}checkForAxisChanges(e,t){let a=t.axes;if(a.length==0)return;const d=this.currentStateOfGamepads[e];let m=(d==null?void 0:d.axes)||[],h=[],o,s=!1;for(o=0;o<a.length;o++){let n=a[o]||0,r=m[o]||0;if(n!=r){if(Math.abs(n)<this.axisDeadZone&&Math.abs(r)<this.axisDeadZone)continue;h[o]=!0,s=!0}else h[o]=!1}s&&this.gamepadAxisChangeListeners.forEach(n=>n(e,t,h))}checkForButtonChanges(e,t){let a=t.buttons;if(a.length==0)return;const d=this.currentStateOfGamepads[e],m=(d==null?void 0:d.buttons)||a,h=new Array(a.length).fill(!1);let o=!1;for(let s=0;s<a.length;s++){let n=!1;const r=a[s]||{pressed:!1,value:0,touched:!1},p=m[s]||{pressed:!1,value:0,touched:!1},c=this.buttonConfigs[s]||{},u={};r.touched&&!p.touched?(u.touchDown=!0,n=!0):!r.touched&&p.touched&&(u.touchUp=!0,n=!0),r.pressed&&!p.pressed?(u.pressed=!0,n=!0):!r.pressed&&p.pressed&&(u.released=!0,n=!0),c.fireWhileHolding&&r.pressed&&p.pressed&&(u.heldDown=!0,n=!0),r.value!=p.value&&(u.valueChanged=!0,n=!0),n?(o=!0,h[s]=u):h[s]=!1}o&&this.gamepadButtonChangeListeners.forEach(s=>s(e,t,h))}}exports.GamepadApiWrapper=G;
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