Blindfold Modifications v1.15

// ==UserScript==
// @id
// @name           Blindfold_Arimaa
// @version        1.15
// @namespace
// @author         Mathew Brown, Matthew Craven
// @description    Play blindfold Arimaa with the javascript client
// @include        http://arimaa.com/arimaa/java/ys/ms4/v5/js_sit.cgi
// @require        http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.js
// ==/UserScript==

//define common setups so they don't have to be typed out
var silver_99of9 = 'ra7 hb7 cc7 ed7 me7 cf7 hg7 rh7 ra8 rb8 rc8 dd8 de8 rf8 rg8 rh8';
var gold_99of9 = 'Ra1 Rb1 Rc1 Dd1 De1 Rf1 Rg1 Rh1 Ra2 Hb2 Cc2 Ed2 Me2 Cf2 Hg2 Rh2';
var silver_browni = 'ha7 mb7 dc7 ed7 de7 cf7 hg7 rh7 ra8 rb8 cc8 rd8 re8 rf8 rg8 rh8';

//Hide the board
$('#boardspan').hidden = true;

//Widen the movelist to allow reading of setups
$('#movelist').style.cssText='width:500px'

//Find and hide the plan button; just remove the temptation :)
for (i=0; true; ++i) {
    if (document.all[i].defaultValue==='P') {
        document.all[i].hidden=true;
        break; } }

//Hide the captured pieces
for (i=1; i<=16; ++i) {
    $('#cap_w'+i).hidden=true;
    $('#cap_b'+i).hidden=true; }

//send any move, not checked for legality
//After three seconds, will report errors
function send(move){
    var obj = {action:"move", sid:arimaa.vars.sessionid, auth: arimaa.vars.auth, move: move}
    var req = new XMLHttpRequest();
    req.open(method = "post", "http://arimaa.com/arimaa/gameserver/client3gs.cgi", true);
    req.send(JSON.stringify(obj));
    setTimeout(function(){
        if (req.responseText.slice(2,7)==='error') { //Check for errors
            console.log('The gameserver rejected your move.');}},3000);};

//eg 'Ed2nenn' to 'Ed2n Ed3e Ee3n Ee4n'
function expand(movestring) {
    var piecelist='EeMmHhDdCcRr';
    var currpiece=false;
    var filelist='abcdefgh';
    var currfile=false;
    var filenum=false;
    var ranklist='12345678';
    var currrank=false;
    var ranknum=false;
    var havemoved=false;
    var dirlist='enwsx';
    var dirnum=false;
    var dirfilelist=[1,0,-1,0,0];
    var dirranklist=[0,1,0,-1,0];
    var iscaptured=false;
    var endstring='';
    for (i=0; i<movestring.length; ++i) {
        currchar=movestring[i];
        if (!currpiece) {
            for (j=0; j<piecelist.length; ++j) {
                if (currchar==piecelist[j]) {
                    currpiece=currchar;}}
            if (!currpiece) {
                var q='error: bad piece type: ';
                console.log(q+movestring.slice(0,i+1));
                return '';}}
        else if (!currfile) {
            for (j=0; j<filelist.length; ++j) {
                if (currchar==filelist[j]) {
                    currfile=currchar;
                    filenum=j;}}
            if (!currfile) {
                var q='error: bad file: ';
                console.log(q+movestring.slice(0,i+1));
                return '';}}
        else if (!currrank) {
            for (j=0; j<ranklist.length; ++j) {
                if (currchar==ranklist[j]) {
                    currrank=currchar;
                    ranknum=j;}}
            if (!currrank) {
                var q='error: bad rank: ';
                console.log(q+movestring.slice(0,i+1));
                return '';}}
        else if (havemoved&&(currchar==' ')) {
            currpiece=false;
            currfile=false;
            filenum=false;
            currrank=false;
            ranknum=false;
            havemoved=false;
            iscaptured=false;}
        else {
            if (iscaptured) {
                var q='error: captured piece moved: ';
                console.log(q+movestring.slice(0,i+1));
                return '';}
            if (currchar=='x') {iscaptured=true;}
            havemoved=false;
            for (j=0; j<dirlist.length; ++j) {
                if (currchar==dirlist[j]) {
                    dirnum=j;
                    havemoved=true;}}
            if (!havemoved) {
                var q='error: bad direction: ';
                console.log(q+movestring.slice(0,i+1));
                return '';}
            endstring+=currpiece+filelist[filenum];
            endstring+=ranklist[ranknum]+currchar+' ';
            filenum+=dirfilelist[dirnum]
            ranknum+=dirranklist[dirnum]
            if ((filenum<0)||(filenum>7)||(ranknum<0)||(ranknum>7)){
                var q='error: piece moved out of bounds: ';
                console.log(q+movestring.slice(0,i+1));
                return '';}
            }
        }
    if (currpiece&&(!havemoved)) {
        console.log('error: incomplete move');
        return '';}
    return endstring.slice(0,endstring.length-1);}

//sh==shorthand; accepts compressed moves and expands before sending
//Provides some help with obvious illegal moves, but doesn't catch nearly all
function sh(movestring) {
    send(expand(movestring));}

//Accepts fen-like general gold setups and sends them
//eg sendset('RHCEMCHR/RRRDDRRR') sends the gold 99of9
//setup and sendset('rrrddrrr/rhcmechr') sends the
//silver 99of9 setup. Not checked for legality.
function sendset(movestring) {
    var lowerrank=7;
    var goldpieces='EMHDCR';
    for (i=0; i<6; ++i) { //First check for which color we send the setup
        if (movestring[0]===goldpieces[i]) {
            lowerrank=1; } }
    var filenames='abcdefgh';
    var endstring='';
    for (i=0; i<8; ++i) {
        endstring+=movestring[i]+filenames[i]+(lowerrank+1)+' ';
        endstring+=movestring[i+9]+filenames[i]+lowerrank+' ';}
    send(endstring.slice(0,endstring.length-1));}