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ServerEngine.html
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<!DOCTYPE html>
<html lang="en">
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<meta charset="utf-8">
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<title>ServerEngine - Documentation</title>
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<h2 class="home"><a href="index.html">Lance</a></h2><h2>Concepts</h2><ul class="tutorials"><li><span class='category'>Introduction<ul><li><a href="tutorial-introduction.html">Introduction</a></li><li><a href="tutorial-introduction_prologue.html">Prologue</a></li><li><a href="tutorial-introduction_community.html">Community</a></li><li><a href="tutorial-introduction_roadmap.html">Development Roadmap</a></li><li><a href="tutorial-introduction_faq.html">Frequently Asked Questions</a></li></ul></li><li><span class='category'>Overview<ul><li><a href="tutorial-overview_architecture.html">Architecture of a Multiplayer Game</a></li><li><a href="tutorial-choosing_a_physics_engine.html">Choosing a Physics Engine</a></li><li><a href="tutorial-guide_gameengine.html">Game Engine</a></li><li><a href="tutorial-guide_serverengine.html">Server Engine</a></li><li><a href="tutorial-guide_clientengine.html">Client Engine</a></li><li><a href="tutorial-guide_renderer.html">Renderer</a></li><li><a href="tutorial-guide_gameworld.html">Game World and Game Objects</a></li><li><a href="tutorial-guide_serialization.html">Serialization and Communication</a></li></ul></li><li><span class='category'>Synchronization Methods<ul><li><a href="tutorial-guide_syncinterpolation.html">Interpolation</a></li><li><a href="tutorial-guide_syncextrapolation.html">Extrapolation</a></li></ul></li><li><span class='category'>Tutorials<ul><li><a href="tutorial-MyFirstGame.html">My First Game: Pong</a></li><li><a href="tutorial-spaceships.html">Spaaace</a></li></ul></li><li><span class='category'>Extras<ul><li><a href="tutorial-guide_tuningdebugging.html">Fine Tuning and Debugging</a></li><li><a href="tutorial-furtherreading.html">Further Reading</a></li></ul></li></ul><h2>API Reference</h2><h3 class="classes">Classes</h3><ul><li><a href="AFrameRenderer.html">AFrameRenderer</a><ul class='methods'><li data-type='method'><a href="AFrameRenderer.html#draw">draw</a></li><li data-type='method'><a href="AFrameRenderer.html#init">init</a></li></ul></li><li><a href="BaseTypes.html">BaseTypes</a></li><li><a href="CannonPhysicsEngine.html">CannonPhysicsEngine</a></li><li><a href="ClientEngine.html">ClientEngine</a><ul class='methods'><li data-type='method'><a href="ClientEngine.html#connect">connect</a></li><li data-type='method'><a href="ClientEngine.html#disconnect">disconnect</a></li><li data-type='method'><a href="ClientEngine.html#sendInput">sendInput</a></li><li data-type='method'><a href="ClientEngine.html#start">start</a></li></ul></li><li><a href="DynamicObject.html">DynamicObject</a><ul class='methods'><li data-type='method'><a href="DynamicObject.html#bendingToString">bendingToString</a></li><li data-type='method'><a href="DynamicObject.html#toString">toString</a></li></ul></li><li><a href="GameEngine.html">GameEngine</a><ul class='methods'><li data-type='method'><a href="GameEngine.html#addObjectToWorld">addObjectToWorld</a></li><li data-type='method'><a href="GameEngine.html#getPlayerGameOverResult">getPlayerGameOverResult</a></li><li data-type='method'><a href="GameEngine.html#isOwnedByPlayer">isOwnedByPlayer</a></li><li data-type='method'><a href="GameEngine.html#on">on</a></li><li data-type='method'><a href="GameEngine.html#once">once</a></li><li data-type='method'><a href="GameEngine.html#processInput">processInput</a></li><li data-type='method'><a href="GameEngine.html#registerClasses">registerClasses</a></li><li data-type='method'><a href="GameEngine.html#removeListener">removeListener</a></li><li data-type='method'><a href="GameEngine.html#removeObjectFromWorld">removeObjectFromWorld</a></li><li data-type='method'><a href="GameEngine.html#start">start</a></li><li data-type='method'><a href="GameEngine.html#step">step</a></li></ul></li><li><a href="GameObject.html">GameObject</a><ul class='methods'><li data-type='method'><a href="GameObject.html#bendingToString">bendingToString</a></li><li data-type='method'><a href="GameObject.html#hasComponent">hasComponent</a></li><li data-type='method'><a href="GameObject.html#onAddToWorld">onAddToWorld</a></li><li data-type='method'><a href="GameObject.html#onRemoveFromWorld">onRemoveFromWorld</a></li><li data-type='method'><a href="GameObject.html#syncTo">syncTo</a></li><li data-type='method'><a href="GameObject.html#toString">toString</a></li></ul></li><li><a href="GameWorld.html">GameWorld</a><ul class='methods'><li data-type='method'><a href="GameWorld.html#addObject">addObject</a></li><li data-type='method'><a href="GameWorld.html#forEachObject">forEachObject</a></li><li data-type='method'><a href="GameWorld.html#getNewId">getNewId</a></li><li data-type='method'><a href="GameWorld.html#queryObject">queryObject</a></li><li data-type='method'><a href="GameWorld.html#queryObjects">queryObjects</a></li><li data-type='method'><a href="GameWorld.html#removeObject">removeObject</a></li></ul></li><li><a href="KeyboardControls.html">KeyboardControls</a></li><li><a href="PhysicalObject2D.html">PhysicalObject2D</a><ul class='methods'><li data-type='method'><a href="PhysicalObject2D.html#onAddToWorld">onAddToWorld</a></li><li data-type='method'><a href="PhysicalObject2D.html#toString">toString</a></li></ul></li><li><a href="PhysicalObject3D.html">PhysicalObject3D</a><ul class='methods'><li data-type='method'><a href="PhysicalObject3D.html#toString">toString</a></li></ul></li><li><a href="Quaternion.html">Quaternion</a><ul class='methods'><li data-type='method'><a href="Quaternion.html#conjugate">conjugate</a></li><li data-type='method'><a href="Quaternion.html#copy">copy</a></li><li data-type='method'><a href="Quaternion.html#multiply">multiply</a></li><li data-type='method'><a href="Quaternion.html#set">set</a></li><li data-type='method'><a href="Quaternion.html#setFromAxisAngle">setFromAxisAngle</a></li><li data-type='method'><a href="Quaternion.html#slerp">slerp</a></li><li data-type='method'><a href="Quaternion.html#toAxisAngle">toAxisAngle</a></li><li data-type='method'><a href="Quaternion.html#toString">toString</a></li></ul></li><li><a href="Renderer.html">Renderer</a><ul class='methods'><li data-type='method'><a href="Renderer.html#addObject">addObject</a></li><li data-type='method'><a href="Renderer.html#draw">draw</a></li><li data-type='method'><a href="Renderer.html#init">init</a></li><li data-type='method'><a href="Renderer.html#removeObject">removeObject</a></li><li data-type='method'><a href="Renderer.html#runClientStep">runClientStep</a></li><li data-type='method'><a href="Renderer.html#stop">stop</a></li></ul></li><li><a href="Serializer.html">Serializer</a><ul class='methods'><li data-type='method'><a href="Serializer.html#.typeCanAssign">typeCanAssign</a></li><li data-type='method'><a href="Serializer.html#addCustomType">addCustomType</a></li><li data-type='method'><a href="Serializer.html#registerClass">registerClass</a></li></ul></li><li><a href="ServerEngine.html">ServerEngine</a><ul class='methods'><li data-type='method'><a href="ServerEngine.html#gameStatus">gameStatus</a></li></ul></li><li><a href="SimplePhysicsEngine.html">SimplePhysicsEngine</a></li><li><a href="ThreeVector.html">ThreeVector</a><ul class='methods'><li data-type='method'><a href="ThreeVector.html#add">add</a></li><li data-type='method'><a href="ThreeVector.html#clone">clone</a></li><li data-type='method'><a href="ThreeVector.html#copy">copy</a></li><li data-type='method'><a href="ThreeVector.html#getBendingDelta">getBendingDelta</a></li><li data-type='method'><a href="ThreeVector.html#length">length</a></li><li data-type='method'><a href="ThreeVector.html#lerp">lerp</a></li><li data-type='method'><a href="ThreeVector.html#multiplyScalar">multiplyScalar</a></li><li data-type='method'><a href="ThreeVector.html#normalize">normalize</a></li><li data-type='method'><a href="ThreeVector.html#set">set</a></li><li data-type='method'><a href="ThreeVector.html#subtract">subtract</a></li><li data-type='method'><a href="ThreeVector.html#toString">toString</a></li></ul></li><li><a href="Trace.html">Trace</a></li><li><a href="TwoVector.html">TwoVector</a><ul class='methods'><li data-type='method'><a href="TwoVector.html#add">add</a></li><li data-type='method'><a href="TwoVector.html#clone">clone</a></li><li data-type='method'><a href="TwoVector.html#copy">copy</a></li><li data-type='method'><a href="TwoVector.html#getBendingDelta">getBendingDelta</a></li><li data-type='method'><a href="TwoVector.html#length">length</a></li><li data-type='method'><a href="TwoVector.html#lerp">lerp</a></li><li data-type='method'><a href="TwoVector.html#multiplyScalar">multiplyScalar</a></li><li data-type='method'><a href="TwoVector.html#normalize">normalize</a></li><li data-type='method'><a href="TwoVector.html#set">set</a></li><li data-type='method'><a href="TwoVector.html#subtract">subtract</a></li><li data-type='method'><a href="TwoVector.html#toString">toString</a></li></ul></li></ul><h3 class="events">Events</h3><ul><li><a href="GameEngine.html#event:client__postStep">client__postStep</a></li><li><a href="GameEngine.html#event:client__preStep">client__preStep</a></li><li><a href="GameEngine.html#event:client__processInput">client__processInput</a></li><li><a href="GameEngine.html#event:client__slowFrameRate">client__slowFrameRate</a></li><li><a href="GameEngine.html#event:client__stepReset">client__stepReset</a></li><li><a href="GameEngine.html#event:client__syncReceived">client__syncReceived</a></li><li><a href="GameEngine.html#event:objectAdded">objectAdded</a></li><li><a href="GameEngine.html#event:objectDestroyed">objectDestroyed</a></li><li><a href="GameEngine.html#event:playerDisconnected">playerDisconnected</a></li><li><a href="GameEngine.html#event:playerJoined">playerJoined</a></li><li><a href="GameEngine.html#event:postStep">postStep</a></li><li><a href="GameEngine.html#event:preStep">preStep</a></li><li><a href="GameEngine.html#event:processInput">processInput</a></li><li><a href="GameEngine.html#event:server__inputReceived">server__inputReceived</a></li><li><a href="GameEngine.html#event:server__playerDisconnected">server__playerDisconnected</a></li><li><a href="GameEngine.html#event:server__playerJoined">server__playerJoined</a></li><li><a href="GameEngine.html#event:server__postStep">server__postStep</a></li><li><a href="GameEngine.html#event:server__preStep">server__preStep</a></li><li><a href="GameEngine.html#event:server__processInput">server__processInput</a></li><li><a href="GameEngine.html#event:start">start</a></li><li><a href="GameEngine.html#event:syncReceived">syncReceived</a></li></ul>
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<div id="main">
<h1 class="page-title">ServerEngine</h1>
<section>
<header class="package">
<h2>
ServerEngine
</h2>
<div class="class-description"><p>ServerEngine is the main server-side singleton code.
Extend this class with your own server-side logic, and
start a single instance.</p>
<p>This class should not be used to contain the actual
game logic. That belongs in the GameEngine class, where the mechanics
of the gameplay are actually implemented.
The ServerEngine singleton is typically a lightweight
implementation, logging gameplay statistics and registering
user activity and user data.</p>
<p>The base class implementation is responsible for starting
the server, initiating each game step, accepting new
connections and dis-connections, emitting periodic game-state
updates, and capturing remote user inputs.</p></div>
</header>
<article class="package">
<div class="container-overview">
<h2>Constructor</h2>
<h4 class="name" id="ServerEngine"><span class="type-signature"></span>new ServerEngine<span class="signature">(io, gameEngine, options)</span><span class="type-signature"></span></h4>
<div class="description">
<p>create a ServerEngine instance</p>
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>io</code></td>
<td class="type">
<span class="param-type">SocketIO</span>
</td>
<td class="description last"><p>the SocketIO server</p></td>
</tr>
<tr>
<td class="name"><code>gameEngine</code></td>
<td class="type">
<span class="param-type"><a href="GameEngine.html">GameEngine</a></span>
</td>
<td class="description last"><p>instance of GameEngine</p></td>
</tr>
<tr>
<td class="name"><code>options</code></td>
<td class="type">
<span class="param-type">Object</span>
</td>
<td class="description last"><p>server options</p>
<h6>Properties</h6>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>stepRate</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="default">
</td>
<td class="description last"><p>number of steps per second</p></td>
</tr>
<tr>
<td class="name"><code>updateRate</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="default">
</td>
<td class="description last"><p>number of steps in each update (sync)</p></td>
</tr>
<tr>
<td class="name"><code>tracesPath</code></td>
<td class="type">
<span class="param-type">String</span>
</td>
<td class="default">
</td>
<td class="description last"><p>path where traces should go</p></td>
</tr>
<tr>
<td class="name"><code>updateOnObjectCreation</code></td>
<td class="type">
<span class="param-type">Boolean</span>
</td>
<td class="default">
</td>
<td class="description last"><p>should send update immediately when new object is created</p></td>
</tr>
<tr>
<td class="name"><code>timeoutInterval</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="default">
180
</td>
<td class="description last"><p>number of seconds after which a player is automatically disconnected if no input is received. Set to 0 for no timeout</p></td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="ServerEngine.js.html">ServerEngine.js</a>, <a href="ServerEngine.js.html#line27">line 27</a>
</li></ul></dd>
</dl>
</div>
<h3 class="subsection-title">Members</h3>
<h4 class="name" id="serializer"><span class="type-signature"></span>serializer<span class="type-signature"> :<a href="GameEngine.html">GameEngine</a></span></h4>
<div class="description">
<p>reference to game engine</p>
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="ServerEngine.js.html">ServerEngine.js</a>, <a href="ServerEngine.js.html#line64">line 64</a>
</li></ul></dd>
</dl>
<h3 class="subsection-title">Methods</h3>
<h4 class="name" id="gameStatus"><span class="type-signature"></span>gameStatus<span class="signature">()</span><span class="type-signature"> → {String}</span></h4>
<div class="description">
<p>Report game status
This method is only relevant if the game uses MatchMaker functionality.
This method must return the game status.</p>
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="ServerEngine.js.html">ServerEngine.js</a>, <a href="ServerEngine.js.html#line344">line 344</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>Stringified game status object.</p>
</div>
<dl class="param-type">
<dt>
Type
</dt>
<dd>
<span class="param-type">String</span>
</dd>
</dl>
</article>
</section>
</div>
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