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function KeyboardInputManager(){this.events={},this.listen()}KeyboardInputManager.prototype.on=function(e,t){this.events[e]||(this.events[e]=[]),this.events[e].push(t)},KeyboardInputManager.prototype.emit=function(e,t){var n=this.events[e];n&&n.forEach((function(e){e(t)}))},KeyboardInputManager.prototype.listen=function(){var e=this,t={38:0,39:1,40:2,37:3,75:0,76:1,74:2,72:3};document.addEventListener("keydown",(function(n){var r=n.altKey||n.ctrlKey||n.metaKey||n.shiftKey,i=t[n.which];r||(void 0!==i&&(n.preventDefault(),document.getElementById("feedback-container").innerHTML=" ",e.emit("move",i)),32===n.which&&e.restart.bind(e)(n))})),document.getElementsByClassName("retry-button")[0].addEventListener("click",this.restart.bind(this)),document.getElementById("hint-button").addEventListener("click",(function(t){t.preventDefault(),document.getElementById("feedback-container").innerHTML="<img src=img/spinner.gif />",e.emit("think")})),document.getElementById("run-button").addEventListener("click",(function(t){t.preventDefault(),e.emit("run")}));var n=[Hammer.DIRECTION_UP,Hammer.DIRECTION_RIGHT,Hammer.DIRECTION_DOWN,Hammer.DIRECTION_LEFT],r=document.getElementsByClassName("game-container")[0];Hammer(r,{drag_block_horizontal:!0,drag_block_vertical:!0}).on("swipe",(function(t){t.gesture.preventDefault(),mapped=n.indexOf(t.gesture.direction),-1!==mapped&&e.emit("move",mapped)}))},KeyboardInputManager.prototype.restart=function(e){e.preventDefault(),this.emit("restart")};
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