Thai Monopoly Calculator

gistfile1.txt

/*jslint devel: true */

var mapping = ["GO", "CHUMSAENG", "COMMUNITY CHEST 1", "PAKNAMPHO", "INCOME TAX", "KHON KHAEN ST.", "BAN PHAI", "CHANCE 1", "THA PHRA", "SRI CHAN", "JAIL VISIT", "JANA", "ELECTRIC COMPANY", "PHET KIRI", "HAT YAI", "SURAT THAN ST.", "CHAIYA", "KO PHA NGAN", "KO SAMUI", "FREE PARKING", "KO LAN", "CHANCE 2", "JOM THIAN", "SRIRACHA", "CHIANG MAI ST.", "SAN KAMPAENG", "THA PHAE", "WATER WORKS", "CHANG KLAN", "JAIL GOTO", "RAWAI", "KA RON", "COMMUNITY CHEST 2", "PA TONG", "HUA LUMPHONG ST.", "CHANCE 3", "SUKHUMVIT", "VAT TAX", "SILOM"];

var size = mapping.length;

var passed = [];

var hasStarted = false;

function start(turns, step) {
    "use strict";

    hasStarted = true;

    if (isNaN(turns)) {
        console.error("Please enter a valid integer.");
        return;
    }
    if (isNaN(step) || step < 0 || step > size) {
        console.warn("Start position is invalid, defaulting to GO");
        step = 0;
    }
    function toSort(a, b) {
        return (b - a);
    }

    function dice() {
        return Math.floor((Math.random() * 6) + 1);
    }

    for (var i = 0; i < turns; i++) {
        var dicetotal = dice() + dice();
        if ( (step + dicetotal) >= size) {
            dicetotal = dicetotal - (size - step);
            step = 0;
        }
        step = dicetotal + step;
        if(isNaN(passed[step])) {
            passed[step] = 0;
        }
        passed[step] = passed[step] + 1;
        if(step == 29) {
            step = 10;
        }
    }

    passed.sort(toSort);

    passed.forEach(function(value, index) {
        console.log(mapping[index] + " - " + value);
    });
}

function pass(location) {
    if(!hasStarted) {
        console.error("Please start a calculation with start(<turns>, [starting location]) first!");
        return;
    }
    if(location < 0 || location > size) {
        console.error("Invalid location!");
        return;
    }
    console.log(mapping[location] + ": " + passed[location]);
}