| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477 |
- <!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="Asciidoctor 1.5.4"><title>loading_screen</title><link rel="stylesheet" href="./asciidoctor.css">
- <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.5.0/css/font-awesome.min.css">
- <link rel="stylesheet" href="./coderay-asciidoctor.css"><link rel="stylesheet" href="https://cdn.jsdelivr.net/docsearch.js/2/docsearch.min.css"></head><body class="article toc2 toc-left"><div id="header"><div id="toolbar"><a href="https://github.com/jMonkeyEngine/wiki/edit/master/src/docs/asciidoc/jme3/advanced/loading_screen.adoc"><i class="fa fa-pencil-square" aria-hidden="true"></i></a><a href="https://github.com/jMonkeyEngine/wiki/new/master/src/docs/asciidoc/jme3/advanced/"><i class="fa fa-plus-square" aria-hidden="true"></i></a><input dir="auto" style="position: relative; vertical-align: top;" spellcheck="false" autocomplete="off" class="searchbox__input aa-input" id="doc-search" name="search" placeholder="Search in the doc" required="required" type="search"></div><h1>loading_screen</h1><div class="details"><span class="author" id="author"></span><br><span id="revnumber">version ,</span> <span id="revdate">2016/03/17 20:48</span></div><div id="toc" class="toc2"><div id="toctitle">Table of Contents</div><ul class="sectlevel1"><li><a href="#nifty-loading-screen-progress-bar">Nifty Loading Screen (Progress Bar)</a><ul class="sectlevel2"><li><a href="#understanding-nifty-xml">Understanding Nifty XML</a></li></ul></li><li><a href="#creating-the-bindings-to-use-the-nifty-xml">Creating the bindings to use the Nifty XML</a><ul class="sectlevel2"><li><a href="#updating-progress-bar-over-a-number-of-frames">Updating progress bar over a number of frames</a></li><li><a href="#using-multithreading">Using multithreading</a></li></ul></li></ul></div></div><div id="content"><div class="sect2"><h3 id="nifty-loading-screen-progress-bar">Nifty Loading Screen (Progress Bar)</h3><div class="paragraph"><p>There is a good tutorial about creating a nifty progress bar here:
- <a href="http://sourceforge.net/apps/mediawiki/nifty-gui/index.php?title=Create_your_own_Control_%28A_Nifty_Progressbar%29">http://sourceforge.net/apps/mediawiki/nifty-gui/index.php?title=Create_your_own_Control_%28A_Nifty_Progressbar%29</a></p></div>
- <div class="paragraph"><p>This example will use the existing hello terrain as an example.
- It will require these 2 images inside Assets/Interface/ (save them as border.png and inner.png respectively)</p></div>
- <div class="paragraph"><p><span class="image"><img src="../../jme3/advanced/inner1.png" alt="inner1.png" height=""></span>
- <span class="image"><img src="../../jme3/advanced/border1.png" alt="border1.png" height=""></span></p></div>
- <div class="paragraph"><p>This is the progress bar at 90%:</p></div>
- <div class="paragraph"><p><span class="image"><img src="../../jme3/advanced/loadingscreen.png" alt="loadingscreen.png" height=""></span></p></div>
- <div class="paragraph"><p>nifty_loading.xml</p></div>
- <div class="listingblock"><div class="content"><pre class="CodeRay highlight"><code data-lang="xml"><span class="preprocessor"><?xml version="1.0" encoding="UTF-8"?></span>
- <span class="tag"><nifty></span>
- <span class="tag"><useStyles</span> <span class="attribute-name">filename</span>=<span class="string"><span class="delimiter">"</span><span class="content">nifty-default-styles.xml</span><span class="delimiter">"</span></span> <span class="tag">/></span>
- <span class="tag"><useControls</span> <span class="attribute-name">filename</span>=<span class="string"><span class="delimiter">"</span><span class="content">nifty-default-controls.xml</span><span class="delimiter">"</span></span> <span class="tag">/></span>
- <span class="tag"><controlDefinition</span> <span class="attribute-name">name</span> = <span class="string"><span class="delimiter">"</span><span class="content">loadingbar</span><span class="delimiter">"</span></span> <span class="attribute-name">controller</span> = <span class="string"><span class="delimiter">"</span><span class="content">jme3test.TestLoadingScreen</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><image</span> <span class="attribute-name">filename</span>=<span class="string"><span class="delimiter">"</span><span class="content">Interface/border.png</span><span class="delimiter">"</span></span> <span class="attribute-name">childLayout</span>=<span class="string"><span class="delimiter">"</span><span class="content">absolute</span><span class="delimiter">"</span></span>
- <span class="attribute-name">imageMode</span>=<span class="string"><span class="delimiter">"</span><span class="content">resize:15,2,15,15,15,2,15,2,15,2,15,15</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><image</span> <span class="attribute-name">id</span>=<span class="string"><span class="delimiter">"</span><span class="content">progressbar</span><span class="delimiter">"</span></span> <span class="attribute-name">x</span>=<span class="string"><span class="delimiter">"</span><span class="content">0</span><span class="delimiter">"</span></span> <span class="attribute-name">y</span>=<span class="string"><span class="delimiter">"</span><span class="content">0</span><span class="delimiter">"</span></span> <span class="attribute-name">filename</span>=<span class="string"><span class="delimiter">"</span><span class="content">Interface/inner.png</span><span class="delimiter">"</span></span> <span class="attribute-name">width</span>=<span class="string"><span class="delimiter">"</span><span class="content">32px</span><span class="delimiter">"</span></span> <span class="attribute-name">height</span>=<span class="string"><span class="delimiter">"</span><span class="content">100%</span><span class="delimiter">"</span></span>
- <span class="attribute-name">imageMode</span>=<span class="string"><span class="delimiter">"</span><span class="content">resize:15,2,15,15,15,2,15,2,15,2,15,15</span><span class="delimiter">"</span></span> <span class="tag">/></span>
- <span class="tag"></image></span>
- <span class="tag"></controlDefinition></span>
- <span class="tag"><screen</span> <span class="attribute-name">id</span>=<span class="string"><span class="delimiter">"</span><span class="content">start</span><span class="delimiter">"</span></span> <span class="attribute-name">controller</span> = <span class="string"><span class="delimiter">"</span><span class="content">jme3test.TestLoadingScreen</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><layer</span> <span class="attribute-name">id</span>=<span class="string"><span class="delimiter">"</span><span class="content">layer</span><span class="delimiter">"</span></span> <span class="attribute-name">childLayout</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><panel</span> <span class="attribute-name">id</span> = <span class="string"><span class="delimiter">"</span><span class="content">panel2</span><span class="delimiter">"</span></span> <span class="attribute-name">height</span>=<span class="string"><span class="delimiter">"</span><span class="content">30%</span><span class="delimiter">"</span></span> <span class="attribute-name">width</span>=<span class="string"><span class="delimiter">"</span><span class="content">50%</span><span class="delimiter">"</span></span> <span class="attribute-name">align</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span> <span class="attribute-name">valign</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span> <span class="attribute-name">childLayout</span>=<span class="string"><span class="delimiter">"</span><span class="content">vertical</span><span class="delimiter">"</span></span>
- <span class="attribute-name">visibleToMouse</span>=<span class="string"><span class="delimiter">"</span><span class="content">true</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><control</span> <span class="attribute-name">id</span>=<span class="string"><span class="delimiter">"</span><span class="content">startGame</span><span class="delimiter">"</span></span> <span class="attribute-name">name</span>=<span class="string"><span class="delimiter">"</span><span class="content">button</span><span class="delimiter">"</span></span> <span class="attribute-name">backgroundColor</span>=<span class="string"><span class="delimiter">"</span><span class="content">#0000</span><span class="delimiter">"</span></span> <span class="attribute-name">label</span>=<span class="string"><span class="delimiter">"</span><span class="content">Load Game</span><span class="delimiter">"</span></span> <span class="attribute-name">align</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><interact</span> <span class="attribute-name">onClick</span>=<span class="string"><span class="delimiter">"</span>showLoadingMenu()<span class="delimiter">"</span></span> <span class="tag">/></span>
- <span class="tag"></control></span>
- <span class="tag"></panel></span>
- <span class="tag"></layer></span>
- <span class="tag"></screen></span>
- <span class="tag"><screen</span> <span class="attribute-name">id</span>=<span class="string"><span class="delimiter">"</span><span class="content">loadlevel</span><span class="delimiter">"</span></span> <span class="attribute-name">controller</span> = <span class="string"><span class="delimiter">"</span><span class="content">jme3test.TestLoadingScreen</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><layer</span> <span class="attribute-name">id</span>=<span class="string"><span class="delimiter">"</span><span class="content">loadinglayer</span><span class="delimiter">"</span></span> <span class="attribute-name">childLayout</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span> <span class="attribute-name">backgroundColor</span>=<span class="string"><span class="delimiter">"</span><span class="content">#000000</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><panel</span> <span class="attribute-name">id</span> = <span class="string"><span class="delimiter">"</span><span class="content">loadingpanel</span><span class="delimiter">"</span></span> <span class="attribute-name">childLayout</span>=<span class="string"><span class="delimiter">"</span><span class="content">vertical</span><span class="delimiter">"</span></span> <span class="attribute-name">align</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span> <span class="attribute-name">valign</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span> <span class="attribute-name">height</span>=<span class="string"><span class="delimiter">"</span><span class="content">32px</span><span class="delimiter">"</span></span> <span class="attribute-name">width</span>=<span class="string"><span class="delimiter">"</span><span class="content">70%</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><control</span> <span class="attribute-name">name</span>=<span class="string"><span class="delimiter">"</span><span class="content">loadingbar</span><span class="delimiter">"</span></span> <span class="attribute-name">align</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span> <span class="attribute-name">valign</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span> <span class="attribute-name">width</span>=<span class="string"><span class="delimiter">"</span><span class="content">100%</span><span class="delimiter">"</span></span> <span class="attribute-name">height</span>=<span class="string"><span class="delimiter">"</span><span class="content">100%</span><span class="delimiter">"</span></span> <span class="tag">/></span>
- <span class="tag"><control</span> <span class="attribute-name">id</span>=<span class="string"><span class="delimiter">"</span><span class="content">loadingtext</span><span class="delimiter">"</span></span> <span class="attribute-name">name</span>=<span class="string"><span class="delimiter">"</span><span class="content">label</span><span class="delimiter">"</span></span> <span class="attribute-name">align</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span>
- <span class="attribute-name">text</span>=<span class="string"><span class="delimiter">"</span> <span class="delimiter">"</span></span><span class="tag">/></span>
- <span class="tag"></panel></span>
- <span class="tag"></layer></span>
- <span class="tag"></screen></span>
- <span class="tag"><screen</span> <span class="attribute-name">id</span>=<span class="string"><span class="delimiter">"</span><span class="content">end</span><span class="delimiter">"</span></span> <span class="attribute-name">controller</span> = <span class="string"><span class="delimiter">"</span><span class="content">jme3test.TestLoadingScreen</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"></screen></span>
- <span class="tag"></nifty></span></code></pre></div></div>
- <div class="sect2"><h3 id="understanding-nifty-xml">Understanding Nifty XML</h3><div class="paragraph"><p>The progress bar and text is done statically using nifty XML.
- A custom control is created, which represents the progress bar.</p></div>
- <div class="listingblock"><div class="content"><pre class="CodeRay highlight"><code data-lang="xml"> <span class="tag"><controlDefinition</span> <span class="attribute-name">name</span> = <span class="string"><span class="delimiter">"</span><span class="content">loadingbar</span><span class="delimiter">"</span></span> <span class="attribute-name">controller</span> = <span class="string"><span class="delimiter">"</span><span class="content">jme3test.TestLoadingScreen</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><image</span> <span class="attribute-name">filename</span>=<span class="string"><span class="delimiter">"</span><span class="content">Interface/border.png</span><span class="delimiter">"</span></span> <span class="attribute-name">childLayout</span>=<span class="string"><span class="delimiter">"</span><span class="content">absolute</span><span class="delimiter">"</span></span>
- <span class="attribute-name">imageMode</span>=<span class="string"><span class="delimiter">"</span><span class="content">resize:15,2,15,15,15,2,15,2,15,2,15,15</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><image</span> <span class="attribute-name">id</span>=<span class="string"><span class="delimiter">"</span><span class="content">progressbar</span><span class="delimiter">"</span></span> <span class="attribute-name">x</span>=<span class="string"><span class="delimiter">"</span><span class="content">0</span><span class="delimiter">"</span></span> <span class="attribute-name">y</span>=<span class="string"><span class="delimiter">"</span><span class="content">0</span><span class="delimiter">"</span></span> <span class="attribute-name">filename</span>=<span class="string"><span class="delimiter">"</span><span class="content">Interface/inner.png</span><span class="delimiter">"</span></span> <span class="attribute-name">width</span>=<span class="string"><span class="delimiter">"</span><span class="content">32px</span><span class="delimiter">"</span></span> <span class="attribute-name">height</span>=<span class="string"><span class="delimiter">"</span><span class="content">100%</span><span class="delimiter">"</span></span>
- <span class="attribute-name">imageMode</span>=<span class="string"><span class="delimiter">"</span><span class="content">resize:15,2,15,15,15,2,15,2,15,2,15,15</span><span class="delimiter">"</span></span><span class="tag">/></span>
- <span class="tag"></image></span>
- <span class="tag"></controlDefinition></span></code></pre></div></div>
- <div class="paragraph"><p>This screen simply displays a button in the middle of the screen, which could be seen as a simple main menu UI.</p></div>
- <div class="listingblock"><div class="content"><pre class="CodeRay highlight"><code data-lang="xml"> <span class="tag"><screen</span> <span class="attribute-name">id</span>=<span class="string"><span class="delimiter">"</span><span class="content">start</span><span class="delimiter">"</span></span> <span class="attribute-name">controller</span> = <span class="string"><span class="delimiter">"</span><span class="content">jme3test.TestLoadingScreen</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><layer</span> <span class="attribute-name">id</span>=<span class="string"><span class="delimiter">"</span><span class="content">layer</span><span class="delimiter">"</span></span> <span class="attribute-name">childLayout</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><panel</span> <span class="attribute-name">id</span> = <span class="string"><span class="delimiter">"</span><span class="content">panel2</span><span class="delimiter">"</span></span> <span class="attribute-name">height</span>=<span class="string"><span class="delimiter">"</span><span class="content">30%</span><span class="delimiter">"</span></span> <span class="attribute-name">width</span>=<span class="string"><span class="delimiter">"</span><span class="content">50%</span><span class="delimiter">"</span></span> <span class="attribute-name">align</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span> <span class="attribute-name">valign</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span> <span class="attribute-name">childLayout</span>=<span class="string"><span class="delimiter">"</span><span class="content">vertical</span><span class="delimiter">"</span></span>
- <span class="attribute-name">visibleToMouse</span>=<span class="string"><span class="delimiter">"</span><span class="content">true</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><control</span> <span class="attribute-name">id</span>=<span class="string"><span class="delimiter">"</span><span class="content">startGame</span><span class="delimiter">"</span></span> <span class="attribute-name">name</span>=<span class="string"><span class="delimiter">"</span><span class="content">button</span><span class="delimiter">"</span></span> <span class="attribute-name">backgroundColor</span>=<span class="string"><span class="delimiter">"</span><span class="content">#0000</span><span class="delimiter">"</span></span> <span class="attribute-name">label</span>=<span class="string"><span class="delimiter">"</span><span class="content">Load Game</span><span class="delimiter">"</span></span> <span class="attribute-name">align</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><interact</span> <span class="attribute-name">onClick</span>=<span class="string"><span class="delimiter">"</span>showLoadingMenu()<span class="delimiter">"</span></span> <span class="tag">/></span>
- <span class="tag"></control></span>
- <span class="tag"></panel></span>
- <span class="tag"></layer></span>
- <span class="tag"></screen></span></code></pre></div></div>
- <div class="paragraph"><p>This screen displays our custom progress bar control with a text control</p></div>
- <div class="listingblock"><div class="content"><pre class="CodeRay highlight"><code data-lang="xml"> <span class="tag"><screen</span> <span class="attribute-name">id</span>=<span class="string"><span class="delimiter">"</span><span class="content">loadlevel</span><span class="delimiter">"</span></span> <span class="attribute-name">controller</span> = <span class="string"><span class="delimiter">"</span><span class="content">jme3test.TestLoadingScreen</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><layer</span> <span class="attribute-name">id</span>=<span class="string"><span class="delimiter">"</span><span class="content">loadinglayer</span><span class="delimiter">"</span></span> <span class="attribute-name">childLayout</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span> <span class="attribute-name">backgroundColor</span>=<span class="string"><span class="delimiter">"</span><span class="content">#000000</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><panel</span> <span class="attribute-name">id</span> = <span class="string"><span class="delimiter">"</span><span class="content">loadingpanel</span><span class="delimiter">"</span></span> <span class="attribute-name">childLayout</span>=<span class="string"><span class="delimiter">"</span><span class="content">vertical</span><span class="delimiter">"</span></span> <span class="attribute-name">align</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span> <span class="attribute-name">valign</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span> <span class="attribute-name">height</span>=<span class="string"><span class="delimiter">"</span><span class="content">32px</span><span class="delimiter">"</span></span> <span class="attribute-name">width</span>=<span class="string"><span class="delimiter">"</span><span class="content">400px</span><span class="delimiter">"</span></span><span class="tag">></span>
- <span class="tag"><control</span> <span class="attribute-name">name</span>=<span class="string"><span class="delimiter">"</span><span class="content">loadingbar</span><span class="delimiter">"</span></span> <span class="attribute-name">align</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span> <span class="attribute-name">valign</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span> <span class="attribute-name">width</span>=<span class="string"><span class="delimiter">"</span><span class="content">400px</span><span class="delimiter">"</span></span> <span class="attribute-name">height</span>=<span class="string"><span class="delimiter">"</span><span class="content">32px</span><span class="delimiter">"</span></span> <span class="tag">/></span>
- <span class="tag"><control</span> <span class="attribute-name">id</span>=<span class="string"><span class="delimiter">"</span><span class="content">loadingtext</span><span class="delimiter">"</span></span> <span class="attribute-name">name</span>=<span class="string"><span class="delimiter">"</span><span class="content">label</span><span class="delimiter">"</span></span> <span class="attribute-name">align</span>=<span class="string"><span class="delimiter">"</span><span class="content">center</span><span class="delimiter">"</span></span>
- <span class="attribute-name">text</span>=<span class="string"><span class="delimiter">"</span> <span class="delimiter">"</span></span><span class="tag">/></span>
- <span class="tag"></panel></span>
- <span class="tag"></layer></span>
- <span class="tag"></screen></span></code></pre></div></div></div></div>
- <div class="sect2"><h3 id="creating-the-bindings-to-use-the-nifty-xml">Creating the bindings to use the Nifty XML</h3><div class="paragraph"><p>There are 3 main ways to update a progress bar. To understand why these methods are necessary, an understanding of the graphics pipeline is needed.</p></div>
- <div class="paragraph"><p>Something like this in a single thread will not work:</p></div>
- <div class="listingblock"><div class="content"><pre class="CodeRay highlight"><code data-lang="java">load_scene();
- update_bar(<span class="integer">30</span>%);
- load_characters();
- update_bar(<span class="integer">60</span>%);
- load_sounds();
- update_bar(<span class="integer">100</span>%);</code></pre></div></div>
- <div class="paragraph"><p>If you do all of this in a single frame, then it is sent to the graphics card only after the whole code block has executed. By this time the bar has reached 100% and the game has already begun – for the user, the progressbar on the screen would not have visibly changed.</p></div>
- <div class="paragraph"><p>The 2 main good solutions are:</p></div>
- <div class="olist arabic"><ol class="arabic"><li><p>Updating explicitly over many frames</p></li><li><p>Multi-threading</p></li></ol></div>
- <div class="sect2"><h3 id="updating-progress-bar-over-a-number-of-frames">Updating progress bar over a number of frames</h3><div class="paragraph"><p>The idea is to break down the loading of the game into discrete parts</p></div>
- <div class="listingblock"><div class="content"><pre class="CodeRay highlight"><code data-lang="java"><span class="keyword">package</span> <span class="namespace">jme3test</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.niftygui.NiftyJmeDisplay</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.nifty.Nifty</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.nifty.elements.Element</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.nifty.input.NiftyInputEvent</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.nifty.screen.Screen</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.nifty.screen.ScreenController</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.nifty.tools.SizeValue</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.app.SimpleApplication</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.material.Material</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.renderer.Camera</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.terrain.geomipmap.TerrainLodControl</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.terrain.heightmap.AbstractHeightMap</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.terrain.geomipmap.TerrainQuad</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.terrain.heightmap.ImageBasedHeightMap</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.texture.Texture</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.texture.Texture.WrapMode</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.nifty.controls.Controller</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.nifty.elements.render.TextRenderer</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.xml.xpp3.Attributes</span>;
- <span class="keyword">import</span> <span class="include">java.util.ArrayList</span>;
- <span class="keyword">import</span> <span class="include">java.util.List</span>;
- <span class="keyword">import</span> <span class="include">java.util.Properties</span>;
- <span class="keyword">import</span> <span class="include">jme3tools.converters.ImageToAwt</span>;
- <span class="directive">public</span> <span class="type">class</span> <span class="class">TestLoadingScreen</span> <span class="directive">extends</span> SimpleApplication <span class="directive">implements</span> ScreenController, Controller {
- <span class="directive">private</span> NiftyJmeDisplay niftyDisplay;
- <span class="directive">private</span> Nifty nifty;
- <span class="directive">private</span> <span class="predefined-type">Element</span> progressBarElement;
- <span class="directive">private</span> TerrainQuad terrain;
- <span class="directive">private</span> Material mat_terrain;
- <span class="directive">private</span> <span class="type">float</span> frameCount = <span class="integer">0</span>;
- <span class="directive">private</span> <span class="type">boolean</span> load = <span class="predefined-constant">false</span>;
- <span class="directive">private</span> TextRenderer textRenderer;
- <span class="directive">public</span> <span class="directive">static</span> <span class="type">void</span> main(<span class="predefined-type">String</span><span class="type">[]</span> args) {
- TestLoadingScreen app = <span class="keyword">new</span> TestLoadingScreen();
- app.start();
- }
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">void</span> simpleInitApp() {
- flyCam.setEnabled(<span class="predefined-constant">false</span>);
- niftyDisplay = <span class="keyword">new</span> NiftyJmeDisplay(assetManager,
- inputManager,
- audioRenderer,
- guiViewPort);
- nifty = niftyDisplay.getNifty();
- nifty.fromXml(<span class="string"><span class="delimiter">"</span><span class="content">Interface/nifty_loading.xml</span><span class="delimiter">"</span></span>, <span class="string"><span class="delimiter">"</span><span class="content">start</span><span class="delimiter">"</span></span>, <span class="local-variable">this</span>);
- guiViewPort.addProcessor(niftyDisplay);
- }
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">void</span> simpleUpdate(<span class="type">float</span> tpf) {
- <span class="keyword">if</span> (load) { <span class="comment">//loading is done over many frames</span>
- <span class="keyword">if</span> (frameCount == <span class="integer">1</span>) {
- <span class="predefined-type">Element</span> element = nifty.getScreen(<span class="string"><span class="delimiter">"</span><span class="content">loadlevel</span><span class="delimiter">"</span></span>).findElementByName(<span class="string"><span class="delimiter">"</span><span class="content">loadingtext</span><span class="delimiter">"</span></span>);
- textRenderer = element.getRenderer(TextRenderer.class);
- mat_terrain = <span class="keyword">new</span> Material(assetManager, <span class="string"><span class="delimiter">"</span><span class="content">Common/MatDefs/Terrain/Terrain.j3md</span><span class="delimiter">"</span></span>);
- mat_terrain.setTexture(<span class="string"><span class="delimiter">"</span><span class="content">Alpha</span><span class="delimiter">"</span></span>, assetManager.loadTexture(<span class="string"><span class="delimiter">"</span><span class="content">Textures/Terrain/splat/alphamap.png</span><span class="delimiter">"</span></span>));
- setProgress(<span class="float">0.2f</span>, <span class="string"><span class="delimiter">"</span><span class="content">Loading grass</span><span class="delimiter">"</span></span>);
- } <span class="keyword">else</span> <span class="keyword">if</span> (frameCount == <span class="integer">2</span>) {
- Texture grass = assetManager.loadTexture(<span class="string"><span class="delimiter">"</span><span class="content">Textures/Terrain/splat/grass.jpg</span><span class="delimiter">"</span></span>);
- grass.setWrap(WrapMode.Repeat);
- mat_terrain.setTexture(<span class="string"><span class="delimiter">"</span><span class="content">Tex1</span><span class="delimiter">"</span></span>, grass);
- mat_terrain.setFloat(<span class="string"><span class="delimiter">"</span><span class="content">Tex1Scale</span><span class="delimiter">"</span></span>, <span class="float">64f</span>);
- setProgress(<span class="float">0.4f</span>, <span class="string"><span class="delimiter">"</span><span class="content">Loading dirt</span><span class="delimiter">"</span></span>);
- } <span class="keyword">else</span> <span class="keyword">if</span> (frameCount == <span class="integer">3</span>) {
- Texture dirt = assetManager.loadTexture(<span class="string"><span class="delimiter">"</span><span class="content">Textures/Terrain/splat/dirt.jpg</span><span class="delimiter">"</span></span>);
- dirt.setWrap(WrapMode.Repeat);
- mat_terrain.setTexture(<span class="string"><span class="delimiter">"</span><span class="content">Tex2</span><span class="delimiter">"</span></span>, dirt);
- mat_terrain.setFloat(<span class="string"><span class="delimiter">"</span><span class="content">Tex2Scale</span><span class="delimiter">"</span></span>, <span class="float">32f</span>);
- setProgress(<span class="float">0.5f</span>, <span class="string"><span class="delimiter">"</span><span class="content">Loading rocks</span><span class="delimiter">"</span></span>);
- } <span class="keyword">else</span> <span class="keyword">if</span> (frameCount == <span class="integer">4</span>) {
- Texture rock = assetManager.loadTexture(<span class="string"><span class="delimiter">"</span><span class="content">Textures/Terrain/splat/road.jpg</span><span class="delimiter">"</span></span>);
- rock.setWrap(WrapMode.Repeat);
- mat_terrain.setTexture(<span class="string"><span class="delimiter">"</span><span class="content">Tex3</span><span class="delimiter">"</span></span>, rock);
- mat_terrain.setFloat(<span class="string"><span class="delimiter">"</span><span class="content">Tex3Scale</span><span class="delimiter">"</span></span>, <span class="float">128f</span>);
- setProgress(<span class="float">0.6f</span>, <span class="string"><span class="delimiter">"</span><span class="content">Creating terrain</span><span class="delimiter">"</span></span>);
- } <span class="keyword">else</span> <span class="keyword">if</span> (frameCount == <span class="integer">5</span>) {
- AbstractHeightMap heightmap = <span class="predefined-constant">null</span>;
- Texture heightMapImage = assetManager.loadTexture(<span class="string"><span class="delimiter">"</span><span class="content">Textures/Terrain/splat/mountains512.png</span><span class="delimiter">"</span></span>);
- heightmap = <span class="keyword">new</span> ImageBasedHeightMap(heightMapImage.getImage());
- heightmap.load();
- terrain = <span class="keyword">new</span> TerrainQuad(<span class="string"><span class="delimiter">"</span><span class="content">my terrain</span><span class="delimiter">"</span></span>, <span class="integer">65</span>, <span class="integer">513</span>, heightmap.getHeightMap());
- setProgress(<span class="float">0.8f</span>, <span class="string"><span class="delimiter">"</span><span class="content">Positioning terrain</span><span class="delimiter">"</span></span>);
- } <span class="keyword">else</span> <span class="keyword">if</span> (frameCount == <span class="integer">6</span>) {
- terrain.setMaterial(mat_terrain);
- terrain.setLocalTranslation(<span class="integer">0</span>, -<span class="integer">100</span>, <span class="integer">0</span>);
- terrain.setLocalScale(<span class="float">2f</span>, <span class="float">1f</span>, <span class="float">2f</span>);
- rootNode.attachChild(terrain);
- setProgress(<span class="float">0.9f</span>, <span class="string"><span class="delimiter">"</span><span class="content">Loading cameras</span><span class="delimiter">"</span></span>);
- } <span class="keyword">else</span> <span class="keyword">if</span> (frameCount == <span class="integer">7</span>) {
- <span class="predefined-type">List</span><Camera> cameras = <span class="keyword">new</span> <span class="predefined-type">ArrayList</span><Camera>();
- cameras.add(getCamera());
- TerrainLodControl control = <span class="keyword">new</span> TerrainLodControl(terrain, cameras);
- terrain.addControl(control);
- setProgress(<span class="float">1f</span>, <span class="string"><span class="delimiter">"</span><span class="content">Loading complete</span><span class="delimiter">"</span></span>);
- } <span class="keyword">else</span> <span class="keyword">if</span> (frameCount == <span class="integer">8</span>) {
- nifty.gotoScreen(<span class="string"><span class="delimiter">"</span><span class="content">end</span><span class="delimiter">"</span></span>);
- nifty.exit();
- guiViewPort.removeProcessor(niftyDisplay);
- flyCam.setEnabled(<span class="predefined-constant">true</span>);
- flyCam.setMoveSpeed(<span class="integer">50</span>);
- }
- frameCount++;
- }
- }
- <span class="directive">public</span> <span class="type">void</span> setProgress(<span class="directive">final</span> <span class="type">float</span> progress, <span class="predefined-type">String</span> loadingText) {
- <span class="directive">final</span> <span class="type">int</span> MIN_WIDTH = <span class="integer">32</span>;
- <span class="type">int</span> pixelWidth = (<span class="type">int</span>) (MIN_WIDTH + (progressBarElement.getParent().getWidth() - MIN_WIDTH) * progress);
- progressBarElement.setConstraintWidth(<span class="keyword">new</span> SizeValue(pixelWidth + <span class="string"><span class="delimiter">"</span><span class="content">px</span><span class="delimiter">"</span></span>));
- progressBarElement.getParent().layoutElements();
- textRenderer.setText(loadingText);
- }
- <span class="directive">public</span> <span class="type">void</span> showLoadingMenu() {
- nifty.gotoScreen(<span class="string"><span class="delimiter">"</span><span class="content">loadlevel</span><span class="delimiter">"</span></span>);
- load = <span class="predefined-constant">true</span>;
- }
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">void</span> onStartScreen() {
- }
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">void</span> onEndScreen() {
- }
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">void</span> bind(Nifty nifty, Screen screen) {
- progressBarElement = nifty.getScreen(<span class="string"><span class="delimiter">"</span><span class="content">loadlevel</span><span class="delimiter">"</span></span>).findElementByName(<span class="string"><span class="delimiter">"</span><span class="content">progressbar</span><span class="delimiter">"</span></span>);
- }
- <span class="comment">// methods for Controller</span>
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">boolean</span> inputEvent(<span class="directive">final</span> NiftyInputEvent inputEvent) {
- <span class="keyword">return</span> <span class="predefined-constant">false</span>;
- }
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">void</span> bind(Nifty nifty, Screen screen, <span class="predefined-type">Element</span> elmnt, <span class="predefined-type">Properties</span> prprts, <span class="predefined-type">Attributes</span> atrbts) {
- progressBarElement = elmnt.findElementByName(<span class="string"><span class="delimiter">"</span><span class="content">progressbar</span><span class="delimiter">"</span></span>);
- }
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">void</span> init(<span class="predefined-type">Properties</span> prprts, <span class="predefined-type">Attributes</span> atrbts) {
- }
- <span class="directive">public</span> <span class="type">void</span> onFocus(<span class="type">boolean</span> getFocus) {
- }
- }</code></pre></div></div>
- <div class="paragraph"><p>Note:</p></div>
- <div class="ulist"><ul><li><p>Try and add all controls near the end, as their update loops may begin executing</p></li></ul></div></div>
- <div class="sect2"><h3 id="using-multithreading">Using multithreading</h3><div class="paragraph"><p>For more info on multithreading: <a href="../../jme3/advanced/multithreading.html">The jME3 Threading Model</a></p></div>
- <div class="paragraph"><p>Make sure to change the XML file to point the controller to TestLoadingScreen*1*</p></div>
- <div class="listingblock"><div class="content"><pre class="CodeRay highlight"><code data-lang="java"><span class="keyword">package</span> <span class="namespace">jme3test</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.niftygui.NiftyJmeDisplay</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.nifty.Nifty</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.nifty.elements.Element</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.nifty.input.NiftyInputEvent</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.nifty.screen.Screen</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.nifty.screen.ScreenController</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.nifty.tools.SizeValue</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.app.SimpleApplication</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.material.Material</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.renderer.Camera</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.terrain.geomipmap.TerrainLodControl</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.terrain.heightmap.AbstractHeightMap</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.terrain.geomipmap.TerrainQuad</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.terrain.heightmap.ImageBasedHeightMap</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.texture.Texture</span>;
- <span class="keyword">import</span> <span class="include">com.jme3.texture.Texture.WrapMode</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.nifty.controls.Controller</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.nifty.elements.render.TextRenderer</span>;
- <span class="keyword">import</span> <span class="include">de.lessvoid.xml.xpp3.Attributes</span>;
- <span class="keyword">import</span> <span class="include">java.util.ArrayList</span>;
- <span class="keyword">import</span> <span class="include">java.util.List</span>;
- <span class="keyword">import</span> <span class="include">java.util.Properties</span>;
- <span class="keyword">import</span> <span class="include">java.util.concurrent.Callable</span>;
- <span class="keyword">import</span> <span class="include">java.util.concurrent.Future</span>;
- <span class="keyword">import</span> <span class="include">java.util.concurrent.ScheduledThreadPoolExecutor</span>;
- <span class="keyword">import</span> <span class="include">jme3tools.converters.ImageToAwt</span>;
- <span class="directive">public</span> <span class="type">class</span> <span class="class">TestLoadingScreen1</span> <span class="directive">extends</span> SimpleApplication <span class="directive">implements</span> ScreenController, Controller {
- <span class="directive">private</span> NiftyJmeDisplay niftyDisplay;
- <span class="directive">private</span> Nifty nifty;
- <span class="directive">private</span> <span class="predefined-type">Element</span> progressBarElement;
- <span class="directive">private</span> TerrainQuad terrain;
- <span class="directive">private</span> Material mat_terrain;
- <span class="directive">private</span> <span class="type">boolean</span> load = <span class="predefined-constant">false</span>;
- <span class="directive">private</span> <span class="predefined-type">ScheduledThreadPoolExecutor</span> exec = <span class="keyword">new</span> <span class="predefined-type">ScheduledThreadPoolExecutor</span>(<span class="integer">2</span>);
- <span class="directive">private</span> <span class="predefined-type">Future</span> loadFuture = <span class="predefined-constant">null</span>;
- <span class="directive">private</span> TextRenderer textRenderer;
- <span class="directive">public</span> <span class="directive">static</span> <span class="type">void</span> main(<span class="predefined-type">String</span><span class="type">[]</span> args) {
- TestLoadingScreen1 app = <span class="keyword">new</span> TestLoadingScreen1();
- app.start();
- }
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">void</span> simpleInitApp() {
- flyCam.setEnabled(<span class="predefined-constant">false</span>);
- niftyDisplay = <span class="keyword">new</span> NiftyJmeDisplay(assetManager,
- inputManager,
- audioRenderer,
- guiViewPort);
- nifty = niftyDisplay.getNifty();
- nifty.fromXml(<span class="string"><span class="delimiter">"</span><span class="content">Interface/nifty_loading.xml</span><span class="delimiter">"</span></span>, <span class="string"><span class="delimiter">"</span><span class="content">start</span><span class="delimiter">"</span></span>, <span class="local-variable">this</span>);
- guiViewPort.addProcessor(niftyDisplay);
- }
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">void</span> simpleUpdate(<span class="type">float</span> tpf) {
- <span class="keyword">if</span> (load) {
- <span class="keyword">if</span> (loadFuture == <span class="predefined-constant">null</span>) {
- <span class="comment">//if we have not started loading yet, submit the Callable to the executor</span>
- loadFuture = exec.submit(loadingCallable);
- }
- <span class="comment">//check if the execution on the other thread is done</span>
- <span class="keyword">if</span> (loadFuture.isDone()) {
- <span class="comment">//these calls have to be done on the update loop thread,</span>
- <span class="comment">//especially attaching the terrain to the rootNode</span>
- <span class="comment">//after it is attached, it's managed by the update loop thread</span>
- <span class="comment">// and may not be modified from any other thread anymore!</span>
- nifty.gotoScreen(<span class="string"><span class="delimiter">"</span><span class="content">end</span><span class="delimiter">"</span></span>);
- nifty.exit();
- guiViewPort.removeProcessor(niftyDisplay);
- flyCam.setEnabled(<span class="predefined-constant">true</span>);
- flyCam.setMoveSpeed(<span class="integer">50</span>);
- rootNode.attachChild(terrain);
- load = <span class="predefined-constant">false</span>;
- }
- }
- }
- <span class="comment">//this is the callable that contains the code that is run on the other thread.</span>
- <span class="comment">//since the assetmananger is threadsafe, it can be used to load data from any thread</span>
- <span class="comment">//we do *not* attach the objects to the rootNode here!</span>
- <span class="predefined-type">Callable</span><<span class="predefined-type">Void</span>> loadingCallable = <span class="keyword">new</span> <span class="predefined-type">Callable</span><<span class="predefined-type">Void</span>>() {
- <span class="directive">public</span> <span class="predefined-type">Void</span> call() {
- <span class="predefined-type">Element</span> element = nifty.getScreen(<span class="string"><span class="delimiter">"</span><span class="content">loadlevel</span><span class="delimiter">"</span></span>).findElementByName(<span class="string"><span class="delimiter">"</span><span class="content">loadingtext</span><span class="delimiter">"</span></span>);
- textRenderer = element.getRenderer(TextRenderer.class);
- mat_terrain = <span class="keyword">new</span> Material(assetManager, <span class="string"><span class="delimiter">"</span><span class="content">Common/MatDefs/Terrain/Terrain.j3md</span><span class="delimiter">"</span></span>);
- mat_terrain.setTexture(<span class="string"><span class="delimiter">"</span><span class="content">Alpha</span><span class="delimiter">"</span></span>, assetManager.loadTexture(<span class="string"><span class="delimiter">"</span><span class="content">Textures/Terrain/splat/alphamap.png</span><span class="delimiter">"</span></span>));
- <span class="comment">//setProgress is thread safe (see below)</span>
- setProgress(<span class="float">0.2f</span>, <span class="string"><span class="delimiter">"</span><span class="content">Loading grass</span><span class="delimiter">"</span></span>);
- Texture grass = assetManager.loadTexture(<span class="string"><span class="delimiter">"</span><span class="content">Textures/Terrain/splat/grass.jpg</span><span class="delimiter">"</span></span>);
- grass.setWrap(WrapMode.Repeat);
- mat_terrain.setTexture(<span class="string"><span class="delimiter">"</span><span class="content">Tex1</span><span class="delimiter">"</span></span>, grass);
- mat_terrain.setFloat(<span class="string"><span class="delimiter">"</span><span class="content">Tex1Scale</span><span class="delimiter">"</span></span>, <span class="float">64f</span>);
- setProgress(<span class="float">0.4f</span>, <span class="string"><span class="delimiter">"</span><span class="content">Loading dirt</span><span class="delimiter">"</span></span>);
- Texture dirt = assetManager.loadTexture(<span class="string"><span class="delimiter">"</span><span class="content">Textures/Terrain/splat/dirt.jpg</span><span class="delimiter">"</span></span>);
- dirt.setWrap(WrapMode.Repeat);
- mat_terrain.setTexture(<span class="string"><span class="delimiter">"</span><span class="content">Tex2</span><span class="delimiter">"</span></span>, dirt);
- mat_terrain.setFloat(<span class="string"><span class="delimiter">"</span><span class="content">Tex2Scale</span><span class="delimiter">"</span></span>, <span class="float">32f</span>);
- setProgress(<span class="float">0.5f</span>, <span class="string"><span class="delimiter">"</span><span class="content">Loading rocks</span><span class="delimiter">"</span></span>);
- Texture rock = assetManager.loadTexture(<span class="string"><span class="delimiter">"</span><span class="content">Textures/Terrain/splat/road.jpg</span><span class="delimiter">"</span></span>);
- rock.setWrap(WrapMode.Repeat);
- mat_terrain.setTexture(<span class="string"><span class="delimiter">"</span><span class="content">Tex3</span><span class="delimiter">"</span></span>, rock);
- mat_terrain.setFloat(<span class="string"><span class="delimiter">"</span><span class="content">Tex3Scale</span><span class="delimiter">"</span></span>, <span class="float">128f</span>);
- setProgress(<span class="float">0.6f</span>, <span class="string"><span class="delimiter">"</span><span class="content">Creating terrain</span><span class="delimiter">"</span></span>);
- AbstractHeightMap heightmap = <span class="predefined-constant">null</span>;
- Texture heightMapImage = assetManager.loadTexture(<span class="string"><span class="delimiter">"</span><span class="content">Textures/Terrain/splat/mountains512.png</span><span class="delimiter">"</span></span>);
- heightmap = <span class="keyword">new</span> ImageBasedHeightMap(heightMapImage.getImage());
- heightmap.load();
- terrain = <span class="keyword">new</span> TerrainQuad(<span class="string"><span class="delimiter">"</span><span class="content">my terrain</span><span class="delimiter">"</span></span>, <span class="integer">65</span>, <span class="integer">513</span>, heightmap.getHeightMap());
- setProgress(<span class="float">0.8f</span>, <span class="string"><span class="delimiter">"</span><span class="content">Positioning terrain</span><span class="delimiter">"</span></span>);
- terrain.setMaterial(mat_terrain);
- terrain.setLocalTranslation(<span class="integer">0</span>, -<span class="integer">100</span>, <span class="integer">0</span>);
- terrain.setLocalScale(<span class="float">2f</span>, <span class="float">1f</span>, <span class="float">2f</span>);
- setProgress(<span class="float">0.9f</span>, <span class="string"><span class="delimiter">"</span><span class="content">Loading cameras</span><span class="delimiter">"</span></span>);
- <span class="predefined-type">List</span><Camera> cameras = <span class="keyword">new</span> <span class="predefined-type">ArrayList</span><Camera>();
- cameras.add(getCamera());
- TerrainLodControl control = <span class="keyword">new</span> TerrainLodControl(terrain, cameras);
- terrain.addControl(control);
- setProgress(<span class="float">1f</span>, <span class="string"><span class="delimiter">"</span><span class="content">Loading complete</span><span class="delimiter">"</span></span>);
- <span class="keyword">return</span> <span class="predefined-constant">null</span>;
- }
- };
- <span class="directive">public</span> <span class="type">void</span> setProgress(<span class="directive">final</span> <span class="type">float</span> progress, <span class="directive">final</span> <span class="predefined-type">String</span> loadingText) {
- <span class="comment">//since this method is called from another thread, we enqueue the changes to the progressbar to the update loop thread</span>
- enqueue(<span class="keyword">new</span> <span class="predefined-type">Callable</span>() {
- <span class="directive">public</span> <span class="predefined-type">Object</span> call() <span class="directive">throws</span> <span class="exception">Exception</span> {
- <span class="directive">final</span> <span class="type">int</span> MIN_WIDTH = <span class="integer">32</span>;
- <span class="type">int</span> pixelWidth = (<span class="type">int</span>) (MIN_WIDTH + (progressBarElement.getParent().getWidth() - MIN_WIDTH) * progress);
- progressBarElement.setConstraintWidth(<span class="keyword">new</span> SizeValue(pixelWidth + <span class="string"><span class="delimiter">"</span><span class="content">px</span><span class="delimiter">"</span></span>));
- progressBarElement.getParent().layoutElements();
- textRenderer.setText(loadingText);
- <span class="keyword">return</span> <span class="predefined-constant">null</span>;
- }
- });
- }
- <span class="directive">public</span> <span class="type">void</span> showLoadingMenu() {
- nifty.gotoScreen(<span class="string"><span class="delimiter">"</span><span class="content">loadlevel</span><span class="delimiter">"</span></span>);
- load = <span class="predefined-constant">true</span>;
- }
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">void</span> onStartScreen() {
- }
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">void</span> onEndScreen() {
- }
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">void</span> bind(Nifty nifty, Screen screen) {
- progressBarElement = nifty.getScreen(<span class="string"><span class="delimiter">"</span><span class="content">loadlevel</span><span class="delimiter">"</span></span>).findElementByName(<span class="string"><span class="delimiter">"</span><span class="content">progressbar</span><span class="delimiter">"</span></span>);
- }
- <span class="comment">// methods for Controller</span>
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">boolean</span> inputEvent(<span class="directive">final</span> NiftyInputEvent inputEvent) {
- <span class="keyword">return</span> <span class="predefined-constant">false</span>;
- }
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">void</span> bind(Nifty nifty, Screen screen, <span class="predefined-type">Element</span> elmnt, <span class="predefined-type">Properties</span> prprts, <span class="predefined-type">Attributes</span> atrbts) {
- progressBarElement = elmnt.findElementByName(<span class="string"><span class="delimiter">"</span><span class="content">progressbar</span><span class="delimiter">"</span></span>);
- }
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">void</span> init(<span class="predefined-type">Properties</span> prprts, <span class="predefined-type">Attributes</span> atrbts) {
- }
- <span class="directive">public</span> <span class="type">void</span> onFocus(<span class="type">boolean</span> getFocus) {
- }
- <span class="annotation">@Override</span>
- <span class="directive">public</span> <span class="type">void</span> stop() {
- <span class="local-variable">super</span>.stop();
- <span class="comment">//the pool executor needs to be shut down so the application properly exits.</span>
- exec.shutdown();
- }
- }</code></pre></div></div></div></div></div><div id="footer"><div id="footer-text">Version <br>Last updated 2016-07-22 07:15:15 UTC</div></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/2/docsearch.min.js"></script><script>docsearch({
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