socket.on('1', function() {
// Fire food.
for(var i=0; i<currentPlayer.cells.length; i++)
{
if(((currentPlayer.cells[i].mass >= c.defaultPlayerMass + c.fireFood) && c.fireFood > 0) || (currentPlayer.cells[i].mass >= 20 && c.fireFood === 0)){
var masa = 1;
if(c.fireFood > 0)
masa = c.fireFood;
else
masa = currentPlayer.cells[i].mass*0.1;
currentPlayer.cells[i].mass -= masa;
currentPlayer.massTotal -=masa;
massFood.push({
id: currentPlayer.id,
num: i,
masa: masa,
hue: currentPlayer.hue,
target: {
x: currentPlayer.x - currentPlayer.cells[i].x + currentPlayer.target.x,
y: currentPlayer.y - currentPlayer.cells[i].y + currentPlayer.target.y
},
x: currentPlayer.cells[i].x,
y: currentPlayer.cells[i].y,
radius: util.massToRadius(masa),
speed: 25
});
}
}
});
function splitCell(cell) {
if(cell.mass >= c.defaultPlayerMass*2) {
cell.mass = cell.mass/2;
cell.radius = util.massToRadius(cell.mass);
currentPlayer.cells.push({
mass: cell.mass,
x: cell.x,
y: cell.y,
radius: cell.radius,
speed: 25
});
}
}
function addFood(toAdd) {
var radius = util.massToRadius(c.foodMass);
while (toAdd--) {
var position = c.foodUniformDisposition ? util.uniformPosition(food, radius) : util.randomPosition(radius);
food.push({
// Make IDs unique.
id: ((new Date()).getTime() + '' + food.length) >>> 0,
x: position.x,
y: position.y,
radius: radius,
mass: Math.random() + 2,
hue: Math.round(Math.random() * 360)
});
}
}
socket.on('gotit', function (player) {
console.log('[INFO] Player ' + player.name + ' connecting!');
if (util.findIndex(users, player.id) > -1) {
console.log('[INFO] Player ID is already connected, kicking.');
socket.disconnect();
} else if (!util.validNick(player.name)) {
socket.emit('kick', 'Invalid username.');
socket.disconnect();
} else {
console.log('[INFO] Player ' + player.name + ' connected!');
sockets[player.id] = socket;
var radius = util.massToRadius(c.defaultPlayerMass);
var position = c.newPlayerInitialPosition == 'farthest' ? util.uniformPosition(users, radius) : util.randomPosition(radius);
player.x = position.x;
player.y = position.y;
player.target.x = 0;
player.target.y = 0;
if(type === 'player') {
player.cells = [{
mass: c.defaultPlayerMass,
x: position.x,
y: position.y,
radius: radius
}];
player.massTotal = c.defaultPlayerMass;
}
else {
player.cells = [];
player.massTotal = 0;
}
player.hue = Math.round(Math.random() * 360);
currentPlayer = player;
currentPlayer.lastHeartbeat = new Date().getTime();
users.push(currentPlayer);
io.emit('playerJoin', { name: currentPlayer.name });
socket.emit('gameSetup', {
gameWidth: c.gameWidth,
gameHeight: c.gameHeight
});
console.log('Total players: ' + users.length);
}
});
function addVirus(toAdd) {
while (toAdd--) {
var mass = util.randomInRange(c.virus.defaultMass.from, c.virus.defaultMass.to, true);
var radius = util.massToRadius(mass);
var position = c.virusUniformDisposition ? util.uniformPosition(virus, radius) : util.randomPosition(radius);
virus.push({
id: ((new Date()).getTime() + '' + virus.length) >>> 0,
x: position.x,
y: position.y,
radius: radius,
mass: mass,
fill: c.virus.fill,
stroke: c.virus.stroke,
strokeWidth: c.virus.strokeWidth
});
}
}
function movePlayer(player) {
var x =0,y =0;
for(var i=0; i<player.cells.length; i++)
{
var target = {
x: player.x - player.cells[i].x + player.target.x,
y: player.y - player.cells[i].y + player.target.y
};
var dist = Math.sqrt(Math.pow(target.y, 2) + Math.pow(target.x, 2));
var deg = Math.atan2(target.y, target.x);
var slowDown = 1;
if(player.cells[i].speed <= 6.25) {
slowDown = util.log(player.cells[i].mass, c.slowBase) - initMassLog + 1;
}
var deltaY = player.cells[i].speed * Math.sin(deg)/ slowDown;
var deltaX = player.cells[i].speed * Math.cos(deg)/ slowDown;
if(player.cells[i].speed > 6.25) {
player.cells[i].speed -= 0.5;
}
if (dist < (50 + player.cells[i].radius)) {
deltaY *= dist / (50 + player.cells[i].radius);
deltaX *= dist / (50 + player.cells[i].radius);
}
if (!isNaN(deltaY)) {
player.cells[i].y += deltaY;
}
if (!isNaN(deltaX)) {
player.cells[i].x += deltaX;
}
// Find best solution.
for(var j=0; j<player.cells.length; j++) {
if(j != i && player.cells[i] !== undefined) {
var distance = Math.sqrt(Math.pow(player.cells[j].y-player.cells[i].y,2) + Math.pow(player.cells[j].x-player.cells[i].x,2));
var radiusTotal = (player.cells[i].radius + player.cells[j].radius);
if(distance < radiusTotal) {
if(player.lastSplit > new Date().getTime() - 1000 * c.mergeTimer) {
if(player.cells[i].x < player.cells[j].x) {
player.cells[i].x--;
} else if(player.cells[i].x > player.cells[j].x) {
player.cells[i].x++;
}
if(player.cells[i].y < player.cells[j].y) {
player.cells[i].y--;
} else if((player.cells[i].y > player.cells[j].y)) {
player.cells[i].y++;
}
}
else if(distance < radiusTotal / 1.75) {
player.cells[i].mass += player.cells[j].mass;
player.cells[i].radius = util.massToRadius(player.cells[i].mass);
player.cells.splice(j, 1);
}
}
}
}
if(player.cells.length > i) {
var borderCalc = player.cells[i].radius / 3;
if (player.cells[i].x > c.gameWidth - borderCalc) {
player.cells[i].x = c.gameWidth - borderCalc;
}
if (player.cells[i].y > c.gameHeight - borderCalc) {
player.cells[i].y = c.gameHeight - borderCalc;
}
if (player.cells[i].x < borderCalc) {
player.cells[i].x = borderCalc;
}
if (player.cells[i].y < borderCalc) {
player.cells[i].y = borderCalc;
}
x += player.cells[i].x;
y += player.cells[i].y;
}
}
player.x = x/player.cells.length;
player.y = y/player.cells.length;
}
function tickPlayer(currentPlayer) {
if(currentPlayer.lastHeartbeat < new Date().getTime() - c.maxHeartbeatInterval) {
sockets[currentPlayer.id].emit('kick', 'Last heartbeat received over ' + c.maxHeartbeatInterval + ' ago.');
sockets[currentPlayer.id].disconnect();
}
movePlayer(currentPlayer);
function funcFood(f) {
return SAT.pointInCircle(new V(f.x, f.y), playerCircle);
}
function deleteFood(f) {
food[f] = {};
food.splice(f, 1);
}
function eatMass(m) {
if(SAT.pointInCircle(new V(m.x, m.y), playerCircle)){
if(m.id == currentPlayer.id && m.speed > 0 && z == m.num)
return false;
if(currentCell.mass > m.masa * 1.1)
return true;
}
return false;
}
function check(user) {
for(var i=0; i<user.cells.length; i++) {
if(user.cells[i].mass > 10 && user.id !== currentPlayer.id) {
var response = new SAT.Response();
var collided = SAT.testCircleCircle(playerCircle,
new C(new V(user.cells[i].x, user.cells[i].y), user.cells[i].radius),
response);
if (collided) {
response.aUser = currentCell;
response.bUser = {
id: user.id,
name: user.name,
x: user.cells[i].x,
y: user.cells[i].y,
num: i,
mass: user.cells[i].mass
};
playerCollisions.push(response);
}
}
}
return true;
}
function collisionCheck(collision) {
if (collision.aUser.mass > collision.bUser.mass * 1.1 && collision.aUser.radius > Math.sqrt(Math.pow(collision.aUser.x - collision.bUser.x, 2) + Math.pow(collision.aUser.y - collision.bUser.y, 2))*1.75) {
console.log('[DEBUG] Killing user: '******'[DEBUG] Collision info:');
console.log(collision);
var numUser = util.findIndex(users, collision.bUser.id);
if (numUser > -1) {
if(users[numUser].cells.length > 1) {
users[numUser].massTotal -= collision.bUser.mass;
users[numUser].cells.splice(collision.bUser.num, 1);
} else {
users.splice(numUser, 1);
io.emit('playerDied', { name: collision.bUser.name });
sockets[collision.bUser.id].emit('RIP');
}
}
currentPlayer.massTotal += collision.bUser.mass;
collision.aUser.mass += collision.bUser.mass;
}
}
for(var z=0; z<currentPlayer.cells.length; z++) {
var currentCell = currentPlayer.cells[z];
var playerCircle = new C(
new V(currentCell.x, currentCell.y),
currentCell.radius
);
var foodEaten = food.map(funcFood)
.reduce( function(a, b, c) { return b ? a.concat(c) : a; }, []);
foodEaten.forEach(deleteFood);
var massEaten = massFood.map(eatMass)
.reduce(function(a, b, c) {return b ? a.concat(c) : a; }, []);
var virusCollision = virus.map(funcFood)
.reduce( function(a, b, c) { return b ? a.concat(c) : a; }, []);
if(virusCollision > 0 && currentCell.mass > virus[virusCollision].mass) {
sockets[currentPlayer.id].emit('virusSplit', z);
}
var masaGanada = 0;
for(var m=0; m<massEaten.length; m++) {
masaGanada += massFood[massEaten[m]].masa;
massFood[massEaten[m]] = {};
massFood.splice(massEaten[m],1);
for(var n=0; n<massEaten.length; n++) {
if(massEaten[m] < massEaten[n]) {
massEaten[n]--;
}
}
}
if(typeof(currentCell.speed) == "undefined")
currentCell.speed = 6.25;
masaGanada += (foodEaten.length * c.foodMass);
currentCell.mass += masaGanada;
currentPlayer.massTotal += masaGanada;
currentCell.radius = util.massToRadius(currentCell.mass);
playerCircle.r = currentCell.radius;
tree.clear();
users.forEach(tree.put);
var playerCollisions = [];
var otherUsers = tree.get(currentPlayer, check);
playerCollisions.forEach(collisionCheck);
}
}
io.on('connection', function (socket) {
console.log('A user connected!', socket.handshake.query.type);
var type = socket.handshake.query.type;
var radius = util.massToRadius(c.defaultPlayerMass);
var position = c.newPlayerInitialPosition == 'farthest' ? util.uniformPosition(users, radius) : util.randomPosition(radius);
var cells = [];
var massTotal = 0;
if(type === 'player') {
cells = [{
mass: c.defaultPlayerMass,
x: position.x,
y: position.y,
radius: radius
}];
massTotal = c.defaultPlayerMass;
}
var currentPlayer = {
id: socket.id,
x: position.x,
y: position.y,
w: c.defaultPlayerMass,
h: c.defaultPlayerMass,
cells: cells,
massTotal: massTotal,
hue: Math.round(Math.random() * 360),
type: type,
lastHeartbeat: new Date().getTime(),
target: {
x: 0,
y: 0
}
};
socket.on('gotit', function (player) {
console.log('[INFO] Player ' + player.name + ' connecting!');
if (util.findIndex(users, player.id) > -1) {
console.log('[INFO] Player ID is already connected, kicking.');
socket.disconnect();
} else if (!util.validNick(player.name)) {
socket.emit('kick', 'Invalid username.');
socket.disconnect();
} else {
console.log('[INFO] Player ' + player.name + ' connected!');
sockets[player.id] = socket;
var radius = util.massToRadius(c.defaultPlayerMass);
var position = c.newPlayerInitialPosition == 'farthest' ? util.uniformPosition(users, radius) : util.randomPosition(radius);
player.x = position.x;
player.y = position.y;
player.target.x = 0;
player.target.y = 0;
if(type === 'player') {
player.cells = [{
mass: c.defaultPlayerMass,
x: position.x,
y: position.y,
radius: radius
}];
player.massTotal = c.defaultPlayerMass;
}
else {
player.cells = [];
player.massTotal = 0;
}
player.hue = Math.round(Math.random() * 360);
currentPlayer = player;
currentPlayer.lastHeartbeat = new Date().getTime();
users.push(currentPlayer);
io.emit('playerJoin', { name: currentPlayer.name });
socket.emit('gameSetup', {
gameWidth: c.gameWidth,
gameHeight: c.gameHeight
});
console.log('Total players: ' + users.length);
}
});
socket.on('pingcheck', function () {
socket.emit('pongcheck');
});
socket.on('windowResized', function (data) {
currentPlayer.screenWidth = data.screenWidth;
currentPlayer.screenHeight = data.screenHeight;
});
socket.on('respawn', function () {
if (util.findIndex(users, currentPlayer.id) > -1)
users.splice(util.findIndex(users, currentPlayer.id), 1);
socket.emit('welcome', currentPlayer);
console.log('[INFO] User ' + currentPlayer.name + ' respawned!');
});
socket.on('disconnect', function () {
if (util.findIndex(users, currentPlayer.id) > -1)
users.splice(util.findIndex(users, currentPlayer.id), 1);
console.log('[INFO] User ' + currentPlayer.name + ' disconnected!');
socket.broadcast.emit('playerDisconnect', { name: currentPlayer.name });
});
socket.on('playerChat', function(data) {
var _sender = data.sender.replace(/(<([^>]+)>)/ig, '');
var _message = data.message.replace(/(<([^>]+)>)/ig, '');
if (c.logChat === 1) {
console.log('[CHAT] [' + (new Date()).getHours() + ':' + (new Date()).getMinutes() + '] ' + _sender + ': ' + _message);
}
socket.broadcast.emit('serverSendPlayerChat', {sender: _sender, message: _message.substring(0,35)});
});
socket.on('pass', function(data) {
if (data[0] === c.adminPass) {
console.log('[ADMIN] ' + currentPlayer.name + ' just logged in as an admin!');
socket.emit('serverMSG', 'Welcome back ' + currentPlayer.name);
socket.broadcast.emit('serverMSG', currentPlayer.name + ' just logged in as admin!');
currentPlayer.admin = true;
} else {
console.log('[ADMIN] ' + currentPlayer.name + ' attempted to log in with incorrect password.');
socket.emit('serverMSG', 'Password incorrect, attempt logged.');
// TODO: Actually log incorrect passwords.
}
});
socket.on('kick', function(data) {
if (currentPlayer.admin) {
var reason = '';
var worked = false;
for (var e = 0; e < users.length; e++) {
if (users[e].name === data[0] && !users[e].admin && !worked) {
if (data.length > 1) {
for (var f = 1; f < data.length; f++) {
if (f === data.length) {
reason = reason + data[f];
}
else {
reason = reason + data[f] + ' ';
}
}
}
if (reason !== '') {
console.log('[ADMIN] User ' + users[e].name + ' kicked successfully by ' + currentPlayer.name + ' for reason ' + reason);
}
else {
console.log('[ADMIN] User ' + users[e].name + ' kicked successfully by ' + currentPlayer.name);
}
socket.emit('serverMSG', 'User ' + users[e].name + ' was kicked by ' + currentPlayer.name);
sockets[users[e].id].emit('kick', reason);
sockets[users[e].id].disconnect();
users.splice(e, 1);
worked = true;
}
}
if (!worked) {
socket.emit('serverMSG', 'Could not locate user or user is an admin.');
}
} else {
console.log('[ADMIN] ' + currentPlayer.name + ' is trying to use -kick but isn\'t an admin.');
socket.emit('serverMSG', 'You are not permitted to use this command.');
}
});
// Heartbeat function, update everytime.
socket.on('0', function(target) {
currentPlayer.lastHeartbeat = new Date().getTime();
if (target.x !== currentPlayer.x || target.y !== currentPlayer.y) {
currentPlayer.target = target;
}
});
socket.on('1', function() {
// Fire food.
for(var i=0; i<currentPlayer.cells.length; i++)
{
if(((currentPlayer.cells[i].mass >= c.defaultPlayerMass + c.fireFood) && c.fireFood > 0) || (currentPlayer.cells[i].mass >= 20 && c.fireFood === 0)){
var masa = 1;
if(c.fireFood > 0)
masa = c.fireFood;
else
masa = currentPlayer.cells[i].mass*0.1;
currentPlayer.cells[i].mass -= masa;
currentPlayer.massTotal -=masa;
massFood.push({
id: currentPlayer.id,
num: i,
masa: masa,
hue: currentPlayer.hue,
target: {
x: currentPlayer.x - currentPlayer.cells[i].x + currentPlayer.target.x,
y: currentPlayer.y - currentPlayer.cells[i].y + currentPlayer.target.y
},
x: currentPlayer.cells[i].x,
y: currentPlayer.cells[i].y,
radius: util.massToRadius(masa),
speed: 25
});
}
}
});
socket.on('2', function(virusCell) {
function splitCell(cell) {
if(cell.mass >= c.defaultPlayerMass*2) {
cell.mass = cell.mass/2;
cell.radius = util.massToRadius(cell.mass);
currentPlayer.cells.push({
mass: cell.mass,
x: cell.x,
y: cell.y,
radius: cell.radius,
speed: 25
});
}
}
if(currentPlayer.cells.length < c.limitSplit && currentPlayer.massTotal >= c.defaultPlayerMass*2) {
//Split single cell from virus
if(virusCell) {
splitCell(currentPlayer.cells[virusCell]);
}
else {
//Split all cells
if(currentPlayer.cells.length < c.limitSplit && currentPlayer.massTotal >= c.defaultPlayerMass*2) {
var numMax = currentPlayer.cells.length;
for(var d=0; d<numMax; d++) {
splitCell(currentPlayer.cells[d]);
}
}
}
currentPlayer.lastSplit = new Date().getTime();
}
});
});