function HTMLActuator(){this.tileContainer=document.getElementsByClassName("tile-container")[0],this.scoreContainer=document.getElementsByClassName("score-container")[0],this.messageContainer=document.getElementsByClassName("game-message")[0],this.sharingContainer=document.getElementsByClassName("score-sharing")[0],this.score=0}HTMLActuator.prototype.actuate=function(t,e){var o=this;window.requestAnimationFrame((function(){o.clearContainer(o.tileContainer),t.cells.forEach((function(t){t.forEach((function(t){t&&o.addTile(t)}))})),o.updateScore(e.score),e.over&&o.message(!1),e.won&&o.message(!0)}))},HTMLActuator.prototype.restart=function(){ga&&ga("send","event","game","restart"),this.clearMessage()},HTMLActuator.prototype.clearContainer=function(t){for(;t.firstChild;)t.removeChild(t.firstChild)},HTMLActuator.prototype.addTile=function(t){var e=this,o=document.createElement("div"),n=t.previousPosition||{x:t.x,y:t.y};positionClass=this.positionClass(n);var s=["tile","tile-"+t.value,positionClass];this.applyClasses(o,s),o.textContent=t.value,t.previousPosition?window.requestAnimationFrame((function(){s[2]=e.positionClass({x:t.x,y:t.y}),e.applyClasses(o,s)})):t.mergedFrom?(s.push("tile-merged"),this.applyClasses(o,s),t.mergedFrom.forEach((function(t){e.addTile(t)}))):(s.push("tile-new"),this.applyClasses(o,s)),this.tileContainer.appendChild(o)},HTMLActuator.prototype.applyClasses=function(t,e){t.setAttribute("class",e.join(" "))},HTMLActuator.prototype.normalizePosition=function(t){return{x:t.x+1,y:t.y+1}},HTMLActuator.prototype.positionClass=function(t){return"tile-position-"+(t=this.normalizePosition(t)).x+"-"+t.y},HTMLActuator.prototype.updateScore=function(t){this.clearContainer(this.scoreContainer);var e=t-this.score;if(this.score=t,this.scoreContainer.textContent=this.score,e>0){var o=document.createElement("div");o.classList.add("score-addition"),o.textContent="+"+e,this.scoreContainer.appendChild(o)}},HTMLActuator.prototype.message=function(t){var e=t?"game-won":"game-over",o=t?"You win!":"Game over!";this.messageContainer.classList.add(e),this.messageContainer.getElementsByTagName("p")[0].textContent=o,this.clearContainer(this.sharingContainer),this.sharingContainer.appendChild(this.scoreTweetButton()),twttr.widgets.load()},HTMLActuator.prototype.clearMessage=function(){this.messageContainer.classList.remove("game-won","game-over")},HTMLActuator.prototype.scoreTweetButton=function(){var t=document.createElement("a");t.classList.add("twitter-share-button"),t.setAttribute("href","https://twitter.com/share"),t.setAttribute("data-via","gabrielecirulli"),t.textContent="Tweet";var e="I scored "+this.score+" points at 2048, a game where you join numbers to score high! #2048game #2048ai";return t.setAttribute("data-text",e),t},HTMLActuator.prototype.showHint=function(t){document.getElementById("feedback-container").innerHTML=["↑","→","↓","←"][t]},HTMLActuator.prototype.setRunButton=function(t){document.getElementById("run-button").innerHTML=t};
