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| author | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
|---|---|---|
| committer | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
| commit | 0ea5fc66924303d1bf73ba283a383e2aadee02f2 (patch) | |
| tree | 2568e71a7ccc44ec23b8bb3f0ff97fb6bf2ed709 /cvs/cvsweb.cgi/code/nel/samples/sound_sources/main.cpp?rev=1.6&content-type=text | |
| download | nevrax-website-self-hostable-0ea5fc66924303d1bf73ba283a383e2aadee02f2.tar.xz nevrax-website-self-hostable-0ea5fc66924303d1bf73ba283a383e2aadee02f2.zip | |
Initial commit
Diffstat (limited to 'cvs/cvsweb.cgi/code/nel/samples/sound_sources/main.cpp?rev=1.6&content-type=text')
| -rw-r--r-- | cvs/cvsweb.cgi/code/nel/samples/sound_sources/main.cpp?rev=1.6&content-type=text/x-cvsweb-markup&sortby=rev/index.html | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/cvs/cvsweb.cgi/code/nel/samples/sound_sources/main.cpp?rev=1.6&content-type=text/x-cvsweb-markup&sortby=rev/index.html b/cvs/cvsweb.cgi/code/nel/samples/sound_sources/main.cpp?rev=1.6&content-type=text/x-cvsweb-markup&sortby=rev/index.html new file mode 100644 index 00000000..244b1138 --- /dev/null +++ b/cvs/cvsweb.cgi/code/nel/samples/sound_sources/main.cpp?rev=1.6&content-type=text/x-cvsweb-markup&sortby=rev/index.html @@ -0,0 +1,222 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML> +<HEAD><style> A { color:black }</style> +<!-- hennerik CVSweb $Revision: 1.93 $ --> +<TITLE>code/nel/samples/sound_sources/main.cpp - view - 1.6</TITLE></HEAD> +<BODY BGCOLOR="#eeeeee"> +<table width="100%" border=0 cellspacing=0 cellpadding=1 bgcolor="#aaaaaa"><tr valign=bottom><td><a href="main.cpp?sortby=rev"><IMG SRC="http://www.nevrax.org/inc/img/picto-up.gif" ALT="[BACK]" BORDER="0" WIDTH="14" HEIGHT="13"></a> <b>Return to <A HREF="main.cpp?sortby=rev">main.cpp</A> + CVS log</b> <IMG SRC="http://www.nevrax.org/inc/img/picto-news.gif" ALT="[TXT]" BORDER="0" WIDTH="13" HEIGHT="15"></td><td align=right><IMG SRC="http://www.nevrax.org/inc/img/picto-dir.gif" ALT="[DIR]" BORDER="0" WIDTH="15" HEIGHT="13"> <b>Up to <a href="/cvs/cvsweb.cgi/?sortby=rev">Nevrax</a> / <a href="/cvs/cvsweb.cgi/code/?sortby=rev">code</a> / <a href="/cvs/cvsweb.cgi/code/nel/?sortby=rev">nel</a> / <a href="/cvs/cvsweb.cgi/code/nel/samples/?sortby=rev">samples</a> / <a href="/cvs/cvsweb.cgi/code/nel/samples/sound_sources/?sortby=rev">sound_sources</a></b></td></tr></table><HR noshade><table width="100%"><tr><td bgcolor="#ffffff">File: <a href="/cvs/cvsweb.cgi/?sortby=rev">Nevrax</a> / <a href="/cvs/cvsweb.cgi/code/?sortby=rev">code</a> / <a href="/cvs/cvsweb.cgi/code/nel/?sortby=rev">nel</a> / <a href="/cvs/cvsweb.cgi/code/nel/samples/?sortby=rev">samples</a> / <a href="/cvs/cvsweb.cgi/code/nel/samples/sound_sources/?sortby=rev">sound_sources</a> / <a href="/cvs/cvsweb.cgi/code/nel/samples/sound_sources/main.cpp?sortby=rev">main.cpp</a> (<A HREF="/cvs/cvsweb.cgi/~checkout~/code/nel/samples/sound_sources/main.cpp?rev=1.6&sortby=rev" target="cvs_checkout" onClick="window.open('/cvs/cvsweb.cgi/~checkout~/code/nel/samples/sound_sources/main.cpp?rev=1.6','cvs_checkout','resizeable,scrollbars');"><b>download</b></A>)<BR> +Revision <B>1.6</B>, <i>Wed Feb 20 18:07:22 2002 UTC</i> (5 months ago) by <i>lecroart</i> +<BR>Branch: <b>MAIN</b> +<BR>CVS Tags: <b>georges_v2, HEAD</b><BR>Changes since <b>1.5: +2 -2 + lines</b><PRE> +#FIXED: doxygen warning +</PRE> +</td></tr></table><HR noshade><PRE>/** \file sound_sources/main.cpp + * Simple example of NeL sound engine usage + * + * $Id: main.cpp,v 1.6 2002/02/20 18:07:22 lecroart Exp $ + */ + +/* Copyright, 2001 Nevrax Ltd. + * + * This file is part of NEVRAX NEL. + * NEVRAX NEL is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + + * NEVRAX NEL is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with NEVRAX NEL; see the file COPYING. If not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + */ + + +/* + * This sample shows how to initialize the audio mixer (UAudioMixer), + * how to create a source (USource), and how to move the listener + * (UListener). + */ + + +#include "nel/misc/debug.h" +#include "nel/misc/time_nl.h" +#include "nel/misc/vector.h" +using namespace NLMISC; + +#include "nel/sound/u_audio_mixer.h" +#include "nel/sound/u_listener.h" +using namespace NLSOUND; + +#include <stdio.h> + + +// Pointer to the audio mixer object +UAudioMixer *AudioMixer = NULL; + + +/* + * Initialization + */ +void Init() +{ + try + { + /* + * 1. Create the audio mixer object and init it. + * If the sound driver cannot be loaded, an exception is thrown. + */ + AudioMixer = UAudioMixer::createAudioMixer(); + AudioMixer->init(); + + /* + * 2. Load a "sources sounds file" (.nss), its sound properties and + * its attached wave data files (.wav) + */ + AudioMixer->loadSoundBuffers( "sample_sounds.nss" ); + + /* + * In this small example, we don't have any environmental effects or + * environment sounds. If so we would load an "environmental effects + * file" (.nef) and an "environment sounds file" (.nes): + * + * AudioMixer->loadEnvEffects( "effects.nef" ); + * + * UEnvSound *root; + * AudioMixer->loadEnvSounds( "envsounds.nes", &root ); + */ + + /* + * 3. Initialize listener's position and orientation (in NeL coordinate system). + */ + CVector initpos ( 0.0f, 0.0f, 0.0f ); + CVector frontvec( 0.0f, 1.0f, 0.0f ); + CVector upvec( 0.0f, 0.0f, 1.0f ); + AudioMixer->getListener()->setPos( initpos ); + AudioMixer->getListener()->setOrientation( frontvec, upvec ); + + } + catch( Exception& e ) + { + nlerror( "Error: %s", e.what() ); + } +} + + +/* + * Adding a source + */ +USource *OnAddSource( const char *name, float x, float y, float z ) +{ + /* + * Create a source with sound 'name', and set some of its initial properties, if successful + */ + USource *source = AudioMixer->createSource( name ); + if ( source != NULL ) + { + source->setPos( CVector(x,y,z) ); + + /* The initial gain, pitch and looping state are stored + * in the "source sounds file". + */ + + source->play(); // start playing immediately + } + else + { + nlwarning( "Sound '%s' not found", name ); + } + return source; +} + + +/* + * When moving the listener, wait for a short delay + */ +void OnMove( const CVector& listenerpos ) +{ + // Move forward + AudioMixer->getListener()->setPos( listenerpos ); + + // Wait 20 ms + TTime time = CTime::getLocalTime(); + while ( CTime::getLocalTime() < time+20 ); + + /* If we used spawned sources or "envsounds" or if we had + * a large number of sources, we should call: + * AudioMixer->update(); + */ +} + + +/* + * main + * + * Note: The NeL vector coordinate system is described as follows: + * \verbatim + * (top) + * z + * | y (front) + * | / + * -----x (right) + * \endverbatim + */ +void main() +{ + // Initialization + Init(); + + // First step: we create two sources + printf( "Press ENTER to start playing the two sources\n" ); + printf( "One is 20 meters ahead, on the right\n" ); + printf( "The other is 5 meters ahead, on the left\n" ); + getchar(); + USource *src1 = OnAddSource( "Beep", 1.0f, 20.0f, 0.0f ); // Beep on the right, 20 meters ahead + USource *src2 = OnAddSource( "Tuut", -2.0f, 5.0f, 0.0f ); // Tuut on the left, 5 meters ahead + + // Second step: we will move the listener ahead + printf( "Press ENTER again to start moving the listener\n" ); + getchar(); + + // Listener orientation is constant in this example (see initialization) + + // Move forward, then backward, twice + CVector listenervel; + CVector listenerpos ( 0.0f, 0.0f, 0.0f ); + for ( uint i=0; i!=2; i++ ) + { + printf( "%u of 2\n", i+1 ); + + // Forward velocity + listenervel.set( 0.0f, 0.5f, 0.0f ); + AudioMixer->getListener()->setVelocity( listenervel ); + + // Move forward: set position every frame + printf( "Moving forward, going past the sources...\n" ); + for ( listenerpos.y=0.0f; listenerpos.y<30.0f; listenerpos.y+=0.1f ) + { + OnMove( listenerpos ); + } + + // Backward velocity + listenervel.set( 0.0f, -0.5f, 0.0f ); + AudioMixer->getListener()->setVelocity( listenervel ); + + // Move backward: set position every frame + printf( "Moving backward, going back to the start position...\n" ); + for ( listenerpos.y=30.0f; listenerpos.y>0.0f; listenerpos.y-=0.1f ) + { + OnMove( listenerpos ); + } + } + + // Finalization + printf( "Press ENTER again to exit\n" ); + getchar(); + delete AudioMixer; +}</PRE>
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