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PlayerTracker.js
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PlayerTracker.js
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var Packet = require('./packet');
var Vec2 = require('./modules/Vec2');
var BinaryWriter = require("./packet/BinaryWriter");
function PlayerTracker(gameServer, socket) {
this.gameServer = gameServer;
this.socket = socket;
this.pID = -1;
this.userAuth = null;
this.isRemoved = false;
this.isCloseRequested = false;
this._name = "";
this._skin = "";
this._nameUtf8 = null;
this._skinUtf8protocol11 = null;
this._nameUnicode = null;
this._skinUtf8 = null;
this.color = { r: 0, g: 0, b: 0 };
this.viewNodes = [];
this.clientNodes = [];
this.cells = [];
this.mergeOverride = false; // Triggered by console command
this._score = 0; // Needed for leaderboard
this._scale = 1;
this.borderCounter = 0;
this.connectedTime = new Date();
this.tickLeaderboard = 0;
this.team = 0;
this.spectate = false;
this.freeRoam = false; // Free-roam mode enables player to move in spectate mode
this.spectateTarget = null; // Spectate target, null for largest player
this.lastKeypressTick = 0;
this.centerPos = new Vec2(0, 0);
this.mouse = new Vec2(0, 0);
this.viewBox = {
minx: 0,
miny: 0,
maxx: 0,
maxy: 0
};
// Scramble the coordinate system for anti-raga
this.scrambleX = 0;
this.scrambleY = 0;
this.scrambleId = 0;
this.isMinion = false;
this.isMuted = false;
// Custom commands
this.spawnmass = 0;
this.frozen = false;
this.customspeed = 0;
this.rec = false;
// Minions
this.miQ = 0;
this.isMi = false;
this.minionSplit = false;
this.minionEject = false;
this.minionFrozen = false;
this.minionControl = false;
this.collectPellets = false;
// Gamemode function
if (gameServer) {
// Player id
this.pID = gameServer.lastPlayerId++ >> 0;
// Gamemode function
gameServer.gameMode.onPlayerInit(this);
// Only scramble if enabled in config
this.scramble();
}
var UserRoleEnum = require("./enum/UserRoleEnum");
this.userRole = UserRoleEnum.GUEST;
}
module.exports = PlayerTracker;
// Setters/Getters
PlayerTracker.prototype.scramble = function() {
if (!this.gameServer.config.serverScrambleLevel) {
this.scrambleId = 0;
this.scrambleX = 0;
this.scrambleY = 0;
} else {
this.scrambleId = (Math.random() * 0xFFFFFFFF) >>> 0;
// avoid mouse packet limitations
var maxx = Math.max(0, 31767 - this.gameServer.border.width);
var maxy = Math.max(0, 31767 - this.gameServer.border.height);
var x = maxx * Math.random();
var y = maxy * Math.random();
if (Math.random() >= 0.5) x = -x;
if (Math.random() >= 0.5) y = -y;
this.scrambleX = x;
this.scrambleY = y;
}
this.borderCounter = 0;
};
PlayerTracker.prototype.setName = function(name) {
this._name = name;
var writer = new BinaryWriter()
writer.writeStringZeroUnicode(name);
this._nameUnicode = writer.toBuffer();
writer = new BinaryWriter();
writer.writeStringZeroUtf8(name);
this._nameUtf8 = writer.toBuffer();
};
PlayerTracker.prototype.setSkin = function(skin) {
this._skin = skin;
var writer = new BinaryWriter();
writer.writeStringZeroUtf8(skin);
this._skinUtf8 = writer.toBuffer();
var writer1 = new BinaryWriter();
writer1.writeStringZeroUtf8("%" + skin);
this._skinUtf8protocol11 = writer1.toBuffer();
};
PlayerTracker.prototype.getScale = function() {
this._score = 0; // reset to not cause bugs with leaderboard
var scale = 0; // reset to not cause bugs with viewbox
for (var i = 0; i < this.cells.length; i++) {
scale += this.cells[i]._size;
this._score += this.cells[i]._mass;
}
if (!scale) return scale = this._score = 0; // reset
else return this._scale = Math.pow(Math.min(64 / scale, 1), 0.4);
};
PlayerTracker.prototype.joinGame = function(name, skin) {
if (this.cells.length) return;
if (skin) this.setSkin(skin);
if (!name) name = "An unnamed cell";
this.setName(name);
this.spectate = false;
this.freeRoam = false;
this.spectateTarget = null;
var packetHandler = this.socket.packetHandler;
if (!this.isMi && this.socket.isConnected != null) {
// some old clients don't understand ClearAll message
// so we will send update for them
if (packetHandler.protocol < 6) {
packetHandler.sendPacket(new Packet.UpdateNodes(this, [], [], [], this.clientNodes));
}
packetHandler.sendPacket(new Packet.ClearAll());
this.clientNodes = [];
this.scramble();
if (this.gameServer.config.serverScrambleLevel < 2) {
// no scramble / lightweight scramble
packetHandler.sendPacket(new Packet.SetBorder(this, this.gameServer.border));
}
else if (this.gameServer.config.serverScrambleLevel == 3) {
var ran = 10065536 * Math.random();
// Ruins most known minimaps (no border)
var border = {
minx: this.gameServer.border.minx - ran,
miny: this.gameServer.border.miny - ran,
maxx: this.gameServer.border.maxx + ran,
maxy: this.gameServer.border.maxy + ran
};
packetHandler.sendPacket(new Packet.SetBorder(this, border));
}
}
this.gameServer.gameMode.onPlayerSpawn(this.gameServer, this);
};
PlayerTracker.prototype.checkConnection = function() {
// Handle disconnection
if (!this.socket.isConnected) {
// Wait for playerDisconnectTime
var pt = this.gameServer.config.playerDisconnectTime;
var dt = (this.gameServer.stepDateTime - this.socket.closeTime) / 1e3;
if (pt && (!this.cells.length || dt >= pt)) {
// Remove all client cells
while (this.cells.length) this.gameServer.removeNode(this.cells[0]);
}
this.cells = [];
this.isRemoved = true;
this.mouse = null;
this.socket.packetHandler.pressSpace = false;
this.socket.packetHandler.pressQ = false;
this.socket.packetHandler.pressW = false;
return;
}
// Check timeout
if (!this.isCloseRequested && this.gameServer.config.serverTimeout) {
dt = (this.gameServer.stepDateTime - this.socket.lastAliveTime) / 1000;
if (dt >= this.gameServer.config.serverTimeout) {
this.socket.close(1000, "Connection timeout");
this.isCloseRequested = true;
}
}
};
PlayerTracker.prototype.updateTick = function() {
if (this.isRemoved || this.isMinion)
return; // do not update
this.socket.packetHandler.process();
if (this.isMi) return;
// update viewbox
this.updateSpecView(this.cells.length);
var scale = Math.max(this.getScale(), this.gameServer.config.serverMinScale);
var halfWidth = (this.gameServer.config.serverViewBaseX + 100) / scale / 2;
var halfHeight = (this.gameServer.config.serverViewBaseY + 100) / scale / 2;
this.viewBox = {
minx: this.centerPos.x - halfWidth,
miny: this.centerPos.y - halfHeight,
maxx: this.centerPos.x + halfWidth,
maxy: this.centerPos.y + halfHeight
};
// update visible nodes
this.viewNodes = [];
var self = this;
this.gameServer.quadTree.find(this.viewBox, function(check) {
self.viewNodes.push(check);
});
this.viewNodes.sort(function(a, b) { return a.nodeId - b.nodeId; });
};
PlayerTracker.prototype.sendUpdate = function() {
if (this.isRemoved || !this.socket.packetHandler.protocol ||
!this.socket.isConnected || this.isMi || this.isMinion ||
(this.socket._socket.writable != null && !this.socket._socket.writable) ||
this.socket.readyState != this.socket.OPEN) {
// do not send update for disconnected clients
// also do not send if initialization is not complete yet
return;
}
var packetHandler = this.socket.packetHandler;
if (this.gameServer.config.serverScrambleLevel == 2) {
// scramble (moving border)
if (!this.borderCounter) {
var b = this.gameServer.border, v = this.viewBox;
var bound = {
minx: Math.max(b.minx, v.minx - v.halfWidth),
miny: Math.max(b.miny, v.miny - v.halfHeight),
maxx: Math.min(b.maxx, v.maxx + v.halfWidth),
maxy: Math.min(b.maxy, v.maxy + v.halfHeight)
};
packetHandler.sendPacket(new Packet.SetBorder(this, bound));
}
if (++this.borderCounter >= 20) this.borderCounter = 0;
}
var delNodes = [];
var eatNodes = [];
var addNodes = [];
var updNodes = [];
var oldIndex = 0;
var newIndex = 0;
for (; newIndex < this.viewNodes.length && oldIndex < this.clientNodes.length;) {
if (this.viewNodes[newIndex].nodeId < this.clientNodes[oldIndex].nodeId) {
if (this.viewNodes[newIndex].isRemoved) continue;
addNodes.push(this.viewNodes[newIndex]);
newIndex++;
continue;
}
if (this.viewNodes[newIndex].nodeId > this.clientNodes[oldIndex].nodeId) {
var node = this.clientNodes[oldIndex];
if (node.isRemoved) eatNodes.push(node);
else delNodes.push(node);
oldIndex++;
continue;
}
var node = this.viewNodes[newIndex];
if (node.isRemoved) continue;
// only send update for moving or player nodes
if (node.isMoving || node.cellType == 0 || node.cellType == 2)
updNodes.push(node);
newIndex++;
oldIndex++;
}
for (; newIndex < this.viewNodes.length; newIndex++) {
addNodes.push(this.viewNodes[newIndex]);
}
for (; oldIndex < this.clientNodes.length; oldIndex++) {
var node = this.clientNodes[oldIndex];
if (node.isRemoved) eatNodes.push(node);
else delNodes.push(node);
}
this.clientNodes = this.viewNodes;
// Send update packet
packetHandler.sendPacket(new Packet.UpdateNodes(this, addNodes, updNodes, eatNodes, delNodes));
// Update leaderboard
if (++this.tickLeaderboard > 25) {
// 1 / 0.040 = 25 (once per second)
this.tickLeaderboard = 0;
if (this.gameServer.leaderboardType >= 0)
packetHandler.sendPacket(new Packet.UpdateLeaderboard(this, this.gameServer.leaderboard, this.gameServer.leaderboardType));
}
};
PlayerTracker.prototype.updateSpecView = function(len) {
if (!this.spectate || len) {
// in game
var cx = 0, cy = 0;
for (var i = 0; i < len; i++) {
cx += this.cells[i].position.x / len;
cy += this.cells[i].position.y / len;
this.centerPos = new Vec2(cx, cy);
}
} else {
if (this.freeRoam || this.getSpecTarget() == null) {
// free roam
var d = this.mouse.clone().sub(this.centerPos);
var scale = this.gameServer.config.serverSpectatorScale;
this.setCenterPos(this.centerPos.add(d, 32 / d.sqDist()));
} else {
// spectate target
var player = this.getSpecTarget();
if (player) {
this.setCenterPos(player.centerPos);
var scale = player.getScale();
this.place = player.place;
this.viewBox = player.viewBox;
this.viewNodes = player.viewNodes;
}
}
// sends camera packet
this.socket.packetHandler.sendPacket(new Packet.UpdatePosition(
this, this.centerPos.x, this.centerPos.y, scale
));
}
}
PlayerTracker.prototype.pressSpace = function() {
if (this.spectate) {
// Check for spam first (to prevent too many add/del updates)
if (this.gameServer.tickCounter - this.lastKeypressTick < 40)
return;
this.lastKeypressTick = this.gameServer.tickCounter;
// Space doesn't work for freeRoam mode
if (this.freeRoam || this.gameServer.largestClient == null)
return;
} else if (this.gameServer.run) {
// Disable mergeOverride on the last merging cell
if (this.cells.length <= 2)
this.mergeOverride = false;
// Cant split if merging or frozen
if (this.mergeOverride || this.frozen)
return;
this.gameServer.splitCells(this);
}
};
PlayerTracker.prototype.pressW = function() {
if (this.spectate || !this.gameServer.run) return;
this.gameServer.ejectMass(this);
};
PlayerTracker.prototype.pressQ = function() {
if (this.spectate) {
// Check for spam first (to prevent too many add/del updates)
if (this.gameServer.tickCounter - this.lastKeypressTick < 40)
return;
this.lastKeypressTick = this.gameServer.tickCounter;
if (this.spectateTarget == null)
this.freeRoam = !this.freeRoam;
this.spectateTarget = null;
}
};
PlayerTracker.prototype.getSpecTarget = function() {
if (this.spectateTarget == null || this.spectateTarget.isRemoved) {
this.spectateTarget = null;
return this.gameServer.largestClient;
}
return this.spectateTarget;
};
PlayerTracker.prototype.setCenterPos = function(p) {
p.x = Math.max(p.x, this.gameServer.border.minx);
p.y = Math.max(p.y, this.gameServer.border.miny);
p.x = Math.min(p.x, this.gameServer.border.maxx);
p.y = Math.min(p.y, this.gameServer.border.maxy);
this.centerPos = p;
};