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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>websweeper</title>
<meta name="viewport" content="width=device-width,initial-scale=1">
</head>
<style>
@font-face {
font-family: vt323;
src: url("font.ttf");
}
#board-container {
font-family: vt323, monospace;
font-size: 28pt;
line-height: 0.6em;
}
body {
background-color: black;
color: white;
}
.unsel {
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.cursor {
font-size: 16pt;
pointer-events: none;
}
.cursor * {
margin: 0 0;
}
</style>
<body>
<div class="">
<div id="board-container">
<div id="board"></div>
</div>
<p id="miscinfo">Loading...</p>
</div>
</body>
<script>
window.id = NaN;
let s = new WebSocket(`ws://${window.location.hostname}:31236`);
let info_elem = document.getElementById("miscinfo");
let board_elem = document.getElementById("board");
let name = "deadbeef";
let last_packet = {};
let cursors = new Map();
let board = {};
let board_bounds = {}; // init when we actually have the board loaded
function register() {
let name_in = document.getElementById("name-in");
name = name_in.value;
s.send(`register ${name}`);
}
s.onopen = function(e) {
info_elem.innerHTML =
`<input id="name-in" type="text">
<button onclick=register()>Join</button>`;
}
s.onmessage = function(e) {
last_packet = e;
let d = e.data;
if (typeof d == "object") {
d.arrayBuffer().then(acceptBoard);
info_elem.onclick = undefined;
info_elem.innerHTML = "Running";
} else if (typeof e.data == "string") {
let fields = d.split(" ");
if (d.startsWith("pos")) {
let oid = Number(fields[1]);
let name = fields[2];
let x = fields[3];
let y = fields[4];
if (!cursors.has(oid)) {
createCursor(oid, name);
}
let celem = cursors.get(oid).elem;
celem.style.left = x + 'px';
celem.style.top = y + 'px';
}
else if (d.startsWith("id")) {
window.id = Number(fields[1]);
createCursor(id, name);
}
else if (d.startsWith("win")) {
info_elem.innerHTML = "<p>You win! Reset?</p>";
info_elem.onclick = e => { s.send("reset") };
}
else if (d.startsWith("lose")) {
let badone = fields[1];
info_elem.innerHTML = `<p>You lost, ${badone} was blown up. Reset?</p>`;
info_elem.onclick = e => { s.send("reset") };
}
else if (d.startsWith("logoff")) {
let oid = fields[1];
cursors.get(oid).elem.remove();
cursors.delete(oid);
}
}
}
s.onerror = function(e) { info_elem.innerHTML += `<br>error ${e}`; }
s.onclose = function(e) { info_elem.innerHTML = "Closed"; }
function acceptBoard(data) {
let vals = new Uint8Array(data);
board = Array.from(vals).reduce((s,c) => s + String.fromCodePoint(c), "");
let last = board[0];
let last_idx = 0;
let split_board = [];
for (let i = 1; i < board.length+1; i++) {
let cur = board[i];
let gamechars = /^[CFO# 1-8]+$/;
if ((cur != last && gamechars.test(cur)) || cur == undefined) {
let txt = board.substr(last_idx, i-last_idx);
if (txt[0] == 'O') {
txt = `<span style="color:red;">${txt}</span>`;
} else if (txt[0] == 'C') {
txt = `<span style="color:green;">${txt}</span>`;
} else if (txt[0] == 'F') {
txt = `<span style="color:yellow;">${txt}</span>`;
} else {
txt = `<span style="color:white;">${txt}</span>`;
}
split_board.push(txt);
last_idx = i;
}
last = board[i];
}
board_elem.innerHTML = "<span>" + split_board.join("") + "</span>";
}
function createCursor(id, name) {
// shit doesn't line up
let cursor = document.createElement("div");
cursor.innerHTML = "<p>x</p>";
cursor.style.position = "absolute";
let nametag = document.createElement("p");
nametag.innerHTML = name;
cursor.appendChild(nametag);
cursor.classList.add('cursor');
let cb = cursor.getBoundingClientRect();
let tip = cursor.firstChild.getBoundingClientRect();
let dx = tip.width/2 - cb.width/2;
let dy = -(tip.height/2 - cb.height/2);
document.getElementById('board-container').append(cursor);
if (id == window.id) {
document.addEventListener('mousemove', e => {
cursor.style.left = (e.pageX + dx) + 'px';
cursor.style.top = (e.pageY + dy) + 'px';
s.send(`pos ${e.pageX} ${e.pageY}`);
},
false);
}
cursors.set(id, {name: name, elem: cursor});
return cursor;
}
function getBoardBounds() {
let boardb = board_elem.getBoundingClientRect();
let textb = board_elem.firstChild.getBoundingClientRect();
return {
ox: boardb.x,
oy: boardb.y,
w: textb.width,
h: boardb.height
};
}
board_elem.onclick = function(e) {
let tpos = tilepos(e.clientX, e.clientY);
let cmd = `reveal ${tpos.x} ${tpos.y}`;
console.log(cmd);
s.send(cmd);
}
board_elem.oncontextmenu = function(e) {
let tpos = tilepos(e.clientX, e.clientY);
let cmd = `flag ${tpos.x} ${tpos.y}`;
console.log(cmd);
s.send(cmd);
return false;
}
function tilepos(x,y) {
board_bounds = getBoardBounds();
let b = board_bounds;
let relx = (x - b.ox);
let rely = (y - b.oy);
let tilex = Math.floor(75 * relx/b.w);
let tiley = Math.floor(35 * rely/b.h);
return { x: tilex, y: tiley };
}
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
</script>
</html>
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