//// Constants
var scoringFactor = 10 ;	// Bumps first decimal place of score (e.g. 1.5 score becomes 15 points)
var roundingFigure = 0.5 ;	// So that 0.5 counts as 1 instead of 0 when rounding

var kills = new Array() ;

function addToKills()
{
	var numKills = document.getElementById("numKills").value ;
	if ( numKills < 1 ) return false ;
	numKills = parseInt(numKills) ;
	var killValue = parseInt(document.getElementById("killValue").value) ;
	if ( killValue <= 0 ) return false ;
	var el = 0 ;
	var totalKills = numKills ;
	document.getElementById("kill-score").innerHTML = "" ;
	for ( i in kills )
	{
		if ( kills[i].value == killValue )
		{
			totalKills = kills[i].count + numKills ;
			kills[i].count = totalKills ;
			el = kills[i].el ;
			break ;
		}
	}
	if ( !el )
	{
		el = document.createElement("li") ;
		document.getElementById("kill-list").appendChild(el) ;
		kills.push( { "count":numKills, "value":killValue, "el":el }) ;
	}
	el.innerText = totalKills + " of " + killValue ;
	return true ;
}

// Return the value of a check box if it is checked
function scoreCheck(name)
{
	var el = document.getElementById(name) ;
	if ( !el || !el.checked || !el.value ) return 0 ;
	return parseFloat(el.value) ;
}

function calculate()
{
	var rtbModifier = parseFloat(document.getElementById("rtb").value) ;
	var myValue = parseInt(document.getElementById("myValue").value) ;

	if ( myValue <= 0 )
	{
		alert("Vehicle with value of "+myValue+" only proves you ARE a retard") ;
		return false ;
	}

	var killScore = 0 ;
	for ( i in kills )
	{
		var relativeValue = kills[i].value / myValue ;
		if ( relativeValue > 4 ) relativeValue = 4 ;
		killScore = killScore + (relativeValue * kills[i].count) ;
	}

	document.getElementById("kill-score").innerHTML = "<b>Kill Score: " + killScore + "</b>" ;

	// Multi-bonus scores
	var mspScore = parseInt(document.getElementById("mspawns").value) * 0.1 ;
	var aisScore = parseInt(document.getElementById("numais").value) * 0.25 ;
	var capScore = parseInt(document.getElementById("numcaptures").value) * 1.0 ;

	// Single bonus scores
	var aboScore = scoreCheck("abobridge") ;
	var dboScore = scoreCheck("dbobridge") ;
	var facScore = scoreCheck("factory") ;
	var fbsScore = scoreCheck("dfb") ;

	// Total up bonuses
	var bonusScore = mspScore + aisScore + capScore + aboScore + dboScore + facScore + fbsScore ;

	document.getElementById("bonus-score").innerHTML = "<b>Bonus Score: " + killScore + "</b>" ;

	var score = ( killScore + bonusScore ) * scoringFactor * rtbModifier ;
	var points = parseInt( score + roundingFigure ) ;

	document.getElementById("results").innerHTML =
			"<b>" + "(" + killScore + " + " + bonusScore + ") x " + scoringFactor + " x " + rtbModifier + " = " + points + " points" + "</b>"
			;
}