auto script for just-dice with new feature

JUST-DICE-2.js

// ==UserScript==
// @name       JUST-DICE
// @namespace  http://use.i.E.your.homepage/
// @version    0.1
// @description  enter something useful
// @match      https://just-dice.com/*
// @copyright  2012+, You
// ==/UserScript==
 
/////////      CONST     /////////
//var betRate=0.25;
var maxRiskTimes=7;
var riskTimes=18;
var resetTimes=3;
 
/////// DO NOT EDIT BELOW ///////
var lossesContinuesTimes,winContinuesTimes;
var currentBet;
var startBalance;
var lastBalance;
var currentBalance;
var rollTimer,initTimer;
var startBtn,stopBtn,txtThresholdBalance,minBtn,maxBtn,spanCurrentBet;
// 0:game started, 2:clicked, 1:rolled, 2:result
var currentStep;
var justDiceMinBet=0.00000001;
 
/////////    functions ////////
function hasClass(element, cls) {
    return (' ' + element.className + ' ').indexOf(' ' + cls + ' ') > -1;
}
 
function isNumber(n) {
  return !isNaN(parseFloat(n)) && isFinite(n);
}
 
 
function minMyBet(){
  console.log("minMyBet: "+prettyFloat(justDiceMinBet));
	txtThresholdBalance.value=prettyFloat(calcBalance(justDiceMinBet,riskTimes));
	showBetValue();
}
 
function maxMyBet(){
	console.log("maxMyBet: "+prettyFloat(currentBalance))
	txtThresholdBalance.value=prettyFloat(currentBalance);
	showBetValue();
}
 
function showBetValue(){
	var thbl=txtThresholdBalance.value;
	if (isNumber(thbl)) {
		currentBet=calcBet(thbl,riskTimes);
		if (currentBet<justDiceMinBet) {
			startBtn.disabled=true;
			spanCurrentBet.innerText=" thresholdBalance MUST >= "+prettyFloat(justDiceMinBet);
		}
		else{
			startBtn.disabled=false;
			spanCurrentBet.innerText=prettyFloat(currentBet);
		}
	}
	else{
		currentBet=0;
		spanCurrentBet.innerText=thbl + ' is not a VAILD value.';
	}
}
 
function calcBet(balance,riskTimes){
	var riskCount=1;
	for (var i = 1; i <= riskTimes; i++) {
		riskCount+=Math.pow(2,i);
	};
	console.log(balance/riskCount);
	return balance/riskCount;
}
 
function calcBalance(bet,riskTimes){
	var riskCount=1;
	for (var i = 1; i <= riskTimes; i++) {
		riskCount+=Math.pow(2,i);
	};
	console.log(bet/riskCount);
	return bet*riskCount;
}
 
function prettyFloat(value){
	var dashPos=value.toString().indexOf('-');
	if (value<1&&dashPos!=-1) {
		var fixedLength=parseInt(value.toString().substr(dashPos+1));
		if (fixedLength>8) {fixedLength=8};
		return value.toFixed(fixedLength);
	}
	else{
		return value;
	}
}

function balanceProtect(){
	if (lossesContinuesTimes>(maxRiskTimes-1)) {
		stopGame();
	}
}
 
function roll(){
	// GAME STARTED
	if (currentStep==0) {
		// if((startBalance-currentBalance)>threshold){
		// 	stopGame();
		// }
 
		document.getElementById('pct_bet').value=prettyFloat(currentBet);
		currentStep=1;
		document.getElementById('a_hi').click();
	}
 
	// CLICKED
	if (currentStep==1) {
		if(hasClass(document.getElementById('a_hi'),'waiting')){
			currentStep=2;
		}
	}
 
	// ROLLED
	if (currentStep==2) {
		if(!hasClass(document.getElementById('a_hi'),'waiting')){
			currentStep=3;
		}
	}
 
	// RESULT
	if (currentStep==3) {
		currentBalance=document.getElementById('pct_balance').value;
		if (currentBalance>lastBalance) {
			winContinuesTimes+=1;
			lossesContinuesTimes=0;
			currentBet=calcBet(currentBalance,riskTimes);
			resultLog('win');
		}
		else if (currentBalance<lastBalance) {
			lossesContinuesTimes+=1;
			winContinuesTimes=0;
			
			if (lossesContinuesTimes==resetTimes) {
				currentBet=calcBet(currentBalance,riskTimes);
				console.log("resetbet. currentBet: "+ currentBet);
			}
			else{
				currentBet*=2;
			}
			
			resultLog('losses');
		}
		else{
			return;
		}
		balanceProtect();
		lastBalance=currentBalance;
		currentStep=0;
	}
}
 
function startGame(){
	console.log("Game Started.")
	stopBtn.disabled=false;
    rollTimer=window.setInterval(roll,200);
}
 
function stopGame(){
	console.log("maxRiskTimes stop game.");
	window.clearInterval(rollTimer);
	stopBtn.style.display='none';
	startBtn.style.display='none';
}
 
function resultLog(resultStr){
	console.log(resultStr+'. CurrentBet: '+ prettyFloat(currentBet));
}
 
function init(){
 
	// Test is just-dice fully loaded
	if (isNumber(document.getElementById('pct_balance').value)){
		window.clearInterval(initTimer);
		console.log('fully loaded'+document.getElementById('pct_balance').value);
	}
	else{
		console.log('not fully loaded return');
		return;
	}
 
	// Init Variables
	startBalance=document.getElementById('pct_balance').value;
	currentBalance=document.getElementById('pct_balance').value;
	lastBalance=document.getElementById('pct_balance').value;
	currentStep=0;
 
	// Start BUTTON
	startBtn=document.createElement('BUTTON');
	var textStartBtn=document.createTextNode('Start!');
	startBtn.disabled=true;
	startBtn.appendChild(textStartBtn);
	document.getElementById('msg').parentNode.appendChild(startBtn);
	startBtn.addEventListener('click',startGame,false);
	 
	// Stop BUTTON
	stopBtn=document.createElement('BUTTON');
	var textStopBtn=document.createTextNode('Stop...');
	stopBtn.disabled=true;
	stopBtn.appendChild(textStopBtn);
	document.getElementById('msg').parentNode.appendChild(stopBtn);
	stopBtn.addEventListener('click',stopGame,false);
 
	// Threshold INPUT BOX
	txtThresholdBalance=document.createElement('INPUT');
	txtThresholdBalance.type='text';
	txtThresholdBalance.width='50px';
	txtThresholdBalance.onkeypress=showBetValue;
	document.getElementById('msg').parentNode.appendChild(txtThresholdBalance);
 
	// Min BUTTON
	minBtn=document.createElement('BUTTON');
	var textMinBtn=document.createTextNode('Min');
	minBtn.appendChild(textMinBtn);
	document.getElementById('msg').parentNode.appendChild(minBtn);
	minBtn.addEventListener('click',minMyBet,false);
 
	// Max BUTTON
	maxBtn=document.createElement('BUTTON');
	var textMaxBtn=document.createTextNode('Max');
	maxBtn.appendChild(textMaxBtn);
	document.getElementById('msg').parentNode.appendChild(maxBtn);
	maxBtn.addEventListener('click',maxMyBet,false);
 
	// CurrentBet SPAN
	spanCurrentBet=document.createElement('SPAN');
	spanCurrentBet.text="abc";
	document.getElementById('msg').parentNode.appendChild(spanCurrentBet);
 
 	// Reset ContinuesTimes
 	lossesContinuesTimes=0;
 	winContinuesTimes=0;

	// Default set min bet
	minBtn.click();
}
 
 
////////////////  start from here  ///////////////////
initTimer=window.setInterval(init,100);