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<!DOCTYPE html>
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<title>Server Engine - 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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<h1 class="page-title">Server Engine</h1>
<section>
<header>
</header>
<article>
<p>The Server Engine is a relatively simple component. As mentioned in the introduction, the server engine must do the following: (1) it must initialize the game, (2) it must accept connections from players over a socket, (3) it must execute the game loop, by calling the game engine’s <em>step()</em> method at a fixed interval, and (4) it must broadcast regular updates to all the clients at a fixed interval.</p>
<p>The game developer will extend this logic, by adding functions that log gameplay statistics, registering user activity, wins, losses, achievements.</p>
<p>Care must be taken on the following point: the server engine should not be used to contain game logic - that belongs in the game engine class.</p>
<p>See the <a href="ServerEngine.html">ServerEngine</a> implementation in the API Reference.</p>
<p>Next: <a href="tutorial-guide_clientengine.html">Client Engine</a></p>
</article>
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