Battle 2 players

battle.js

'use strict';

var b1_block1 = {hp: 100, str: 2, chrg: 1, spd: 1, lck: 1};
var b1_block2 = {hp: 100, str: 2, chrg: 1, spd: 1, lck: 1};
var b1_block3 = {hp: 100, str: 2, chrg: 1, spd: 1, lck: 1};

var b2_block1 = {hp: 100, str: 2, chrg: 1, spd: 1, lck: 2};
var b2_block2 = {hp: 100, str: 2, chrg: 1, spd: 1, lck: 2};
var b2_block3 = {hp: 100, str: 2, chrg: 1, spd: 1, lck: 2};

var PLAYER_1 = [b1_block1, b1_block2, b1_block3];
var PLAYER_2 = [b2_block1, b2_block2, b2_block3];

var turns = 0;

var stats = [{name: 'player1', wins: 0, losses: 0}, {name: 'player2', wins: 0, losses: 0}];

var rounds = 1000;

function isBlockDead(block)
{
    if (block.hp <= 0)
    {
        return true;
    }
	
	return false;
}

function isPlayerDead(player, name)
{
	if (isBlockDead(player[0]) && isBlockDead(player[1]) && isBlockDead(player[2]))
	{
		//console.log(name + " died in " + turns + " turns");
		
		var loserStat = findByMatchingProperties(stats, { name: name });
		
		loserStat[0].losses++;
		
		return true;
	}
	
	return false;
}

function fight(player1, player2)
{
	//var players = [];
	
	// first, randomise the order of the players, based on speed static		
	//players.push(player2);
	//players.push(player1);
	
	//players = shuffle(players);
	
	while (!(isPlayerDead(player1, "player1") || isPlayerDead(player2, "player2")))
	{	
		/*for(var x = 0; players.length; x++)
		{
			console.log("hp: " + players);
		}*/

		for(var n = 0; n < player1.length; n++)
		{
			if (player1[n].hp > 0)
			{
				player1[n].hp -= (Math.floor(Math.random() * 5) + 1) * player2[Math.floor(Math.random() * player2.length)].str;
			}
		}
		
		for(var n = 0; n < player2.length; n++)
		{
			if (player2[n].hp > 0)
			{
				player2[n].hp -= (Math.floor(Math.random() * 5) + 1) * player1[Math.floor(Math.random() * player1.length)].str;
			}
		}

		//console.log(player1);
		//console.log("--------------------------------------------------");
		//console.log(player2);
		//console.log("**************************************************");
		
		turns++;
	}
	
	stats[0].wins = rounds - stats[0].losses;
	stats[1].wins = rounds - stats[1].losses;
	
	stats[0].win_percentage = Math.round((rounds - stats[0].losses) / rounds * 100);
	stats[1].win_percentage = Math.round((rounds - stats[1].losses) / rounds * 100);

	turns = 0;

}

function battle(player1, player2, rounds)
{
	var i = 0;
	while(i < rounds)
	{
		var p1 = JSON.parse(JSON.stringify(player1)); // gotta clone them all!
		var p2 = JSON.parse(JSON.stringify(player2));
		
		fight(p1, p2);
		
		i++;
	}
	
	console.log(stats);
}

function findByMatchingProperties(set, properties) {
    return set.filter(function (entry) {
        return Object.keys(properties).every(function (key) {
            return entry[key] === properties[key];
        });
    });
}

function shuffle(array) {
  var m = array.length, t, i;

  // While there remain elements to shuffle…
  while (m) {

    // Pick a remaining element…
    i = Math.floor(Math.random() * m--);

    // And swap it with the current element.
    t = array[m];
    array[m] = array[i];
    array[i] = t;
  }

  return array;
}

var startTime = Date.now();

battle(PLAYER_1, PLAYER_2, rounds);

var endTime = Date.now();

console.log('time taken: ' + (endTime - startTime) / 1000);