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Jaxon's Battleship
Author: hung_dude_19
Description Source Code Launch App Current Users
There are 5 other versions of this script.
//Battleship by slavabo & hung_dude_ 19
//
var rls = 'v20130808'; //ReLeaSe version of game
var tct = 0; //TipCounT: total tips received
var act; //ACTivity (timestamp)
var spc = String.fromCharCode(160); //SPaCe: non collapsible character
//
var bsz = 9; //BoardSiZe: cannot exceed 9 due to regex, brd[], ltr[] and fromLetter()
var shp; //SHiPs: array of unhit ship coordinates; shp[0][0] is remaining (unhit) length of ship; shp[0][1+] is coordinates
var brd; //BoaRD: status array of all board coordinates
var ltr = ["A","B","C","D","E","F","G","H","I"]; //LeTteRs: used for numeric to alphabetic conversions
//
cb.settings_choices = [
    {name:'cst', type:'int', minValue:1, maxValue:999, default:15, label: 'Missile Cost (1-999)'},
];
cb.onEnter(function(user) {
    if (user['has_tokens']&&shp.length) cb.chatNotice('*** Battleship game is active, type /board to see the current board',user['user'],'','','bold');
});
cb.tipOptions(function(user) {
	var opt = [];
	for (var to1=1;to1<=bsz;to1++)
		for (var to2=1;to2<=bsz;to2++)
			if (brd[to1-1][to2-1]=='_') opt.push({label:ltr[to1-1]+to2});
	return {options:opt, label:'*** SELECT YOUR COORDINATES FROM BELOW ***'};
});
cb.onTip(function (tip) {
	if  (tip['amount']>=cb.settings.cst&&tip['message'].match(/^[A-I]{1}[1-9]{1}$/gi)) { //regex a1-i9
		cb.chatNotice('*** '+takeInput(tip['message']),'','','','bold');
		showBoard();
	}
	tct += tip['amount'];
	cb.drawPanel();
});
cb.onDrawPanel(function(user) {
	return {
		'template': '3_rows_of_labels',
		'row1_label': 'Total Tips:',
		'row1_value': tct,
		'row2_label': 'Ship Sizes:',
		'row2_value': '5, 4, 3, 3, 2, 2, 1',
		'row3_label': 'Missile Cost:',
		'row3_value': (cb.settings.cst==1)?cb.settings.cst+' token':cb.settings.cst+' tokens'
	};
});
cb.onMessage(function (msg) {
	if (/(?:).*c[o0]m/ig.test(msg['m'])) msg['X-Spam'] = true; //block spam
	else if (msg['m']=='/board') {
		msg['X-Spam'] = true;
		showBoard(msg['user']);
	}
	else if (msg['m']=='/newgame'&&msg['user']==cb.room_slug&&!shp.length) {
		msg['X-Spam'] = true;
		cb.chatNotice('*** Jackson has begun a new round of Battleship!','','','','bold');
		initGame();
	}
	else if (msg['m']=='/help'||msg['m']=='/rules') {
		msg['X-Spam'] = true;
		cb.chatNotice('*** Legend: _ indicates an unhit location, X is a hit, 0 is a miss | Type /board to see the current board.',msg['user']);
	}
	else if (msg['m']=='/about') {
		msg['X-Spam'] = true;
		cb.chatNotice('*** BATTLESHIP '+rls+' by slavabo.','','','bold');
	}
	return msg;
});
//
function createShip(ssz) {
	if (ssz>bsz-1) ssz = bsz-1;

	reroll:
	do {
		var tmp = [ssz];
		do {
			var p1b=p1e=Math.floor((Math.random()*bsz));
			var p2b=p2e=Math.floor((Math.random()*bsz));
		} while (brd[p1b][p2b]=='X');
		tmp.push(ltr[p1b]+(p2b+1));

		switch (Math.floor((Math.random()*2))) {
			case 0: //vertical
				for (var aaa=0;aaa<ssz-1;aaa++) {
					if ((p1b==0)||((Math.floor((Math.random()*2))&&p1e+1<bsz)&&(brd[p1e+1][p2e]!='X'))) {
						if (brd[p1e+1][p2b]=='X')
							continue reroll;
						p1e++;
						tmp.push(ltr[p1e]+(p2e+1));
					}
					else {
						if (brd[p1b-1][p2b]=='X')
							continue reroll;
						p1b--;
						tmp.push(ltr[p1b]+(p2b+1));
					}
					brd[p1b][p2b]='X';
					brd[p1e][p2e]='X';
				}
				break reroll;
			case 1: //horizontal
				for (var aaa=0;aaa<ssz-1;aaa++) {
					if ((p2b==0)||((Math.floor((Math.random()*2))&&p2e+1<bsz)&&(brd[p2e+1][p2e]!='X'))) {
						if (brd[p1b][p2e+1]=='X')
							continue reroll;
						p2e++;
						tmp.push(ltr[p1e]+(p2e+1));
					}
					else {
						if (brd[p1b][p2b-1]=='X')
							continue reroll
						p2b--;
						tmp.push(ltr[p1b]+(p2b+1));
					}
					brd[p1b][p2b]='X';
					brd[p1e][p2e]='X';
				}
				break reroll;
		}
	} while (!0);
	shp.push(tmp);
}
function showBoard(user) {
	var sbm = spc+spc;
	for (var aaa=0;aaa<bsz;aaa++) {
		for (var bbb=0;bbb<bsz;bbb++) {
			sbm += brd[aaa][bbb]+spc+spc+spc;
		}
		sbm += '| '+ltr[aaa]+'\n'+spc+spc;
	}
	for (aaa=1;aaa<=bsz;aaa++)
		sbm += aaa+spc+spc+spc;
	sbm += '('+shp.length+' ship';
	if (shp.length>1) sbm+= "s";
	sbm += ' remaining)\n*** Legend: X = hit, o = miss | Type /help for more info';
	if (user) cb.chatNotice(sbm,user);
	else cb.chatNotice(sbm);
}
function takeInput(loc) {
	loc=loc.toUpperCase();
	act = new Date().getTime();
	if (brd[fromLetter(loc.charAt(0))][loc.charAt(1)-1]!="_") return loc+" has already been guessed!";
	else if (shp.join().indexOf(loc)==-1) { //no ship at location
		tim = 'Sorry, '+loc+' is a miss. Better luck next time!';
		brd[fromLetter(loc.charAt(0))][loc.charAt(1)-1]='o';
	}
	else {
		baseloop:
		for (var aaa=0;aaa<shp.length;aaa++) {
			for (var bbb=1;bbb<shp[aaa].length;bbb++) {
				if (shp[aaa][bbb]===loc) {
					shp[aaa][0]--;
					if (!shp[aaa][0]) { //ship sunk
						var ssz = shp[aaa].length-1;
						shp.splice(aaa,1);
						if (!shp.length) { //no more ships
							cb.changeRoomSubject("Battleship- Game Over! Thank you players!");
							tim = loc+" is a hit and sink! There are no remaining ships in the battlefield! :sinks";
							cb.chatNotice('*** Type /newgame to begin a new game of Battleship.',cb.room_slug,'','','bold');
						}
						else tim = loc+" is a hit and has sunk a 1x"+ssz+" sized "+shipName(ssz)+"! :sinks";
					}
					else tim = loc+" is a hit! Keep firing! The ship is still afloat! :battleshiphit";
					break baseloop;
				}
			}
		}
		brd[fromLetter(loc.charAt(0))][loc.charAt(1)-1]='X';
	}
	return tim;
}
function fromLetter(ltr) {
	switch (ltr) {
		case "A": return 0;
		case "B": return 1;
		case "C": return 2;
		case "D": return 3;
		case "E": return 4;
		case "F": return 5;
		case "G": return 6;
		case "H": return 7;
		case "I": return 8;
	}
}
function shipName(ssz) {
	switch (ssz) {
		case 1: return 'Submarine';
		case 2: return 'Destroyer';
		case 3: return 'Cruiser';
		case 4: return 'Battleship';
		case 5: return 'Carrier';
		default: return 'Unknown Ship';
	}
}
function initGame() {
	cb.changeRoomSubject("Battleship | "+cb.settings.cst+"tkn to fire a missile | Type /board to see the current board");
	
	shp = [];
	brd = [[],[],[],[],[],[],[],[],[]];

	//Populate ship coordinates; largest to smallest
	createShip(5);
	createShip(4);
	createShip(3);
	createShip(3);
	createShip(2);
	createShip(2);
	createShip(1);


	//Zero out status board; must occur after createShip()
	for (var aaa=0;aaa<bsz;aaa++)
		for (var bbb=0;bbb<bsz;bbb++) {
			brd[aaa][bbb] = "_"; //"fill" character
	}
	showBoard();
	act = new Date().getTime();
	counter();
}
function counter() {
	if (!shp.length) return false;
	if (new Date().getTime()-act>=360000) {
		cb.chatNotice('Try your chance at sinking a ship- tip *'+cb.settings.cst+'tkn* to fire a missile! Type /board to see the board.','','','','bold');
		if (!(Math.floor((new Date().getTime()-act)/1000)%300)) showBoard();
		cb.setTimeout(counter,360000);
	}
	else cb.setTimeout(counter,360000-(new Date().getTime()-act));
}
//
initGame();