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141 lines
6.6 KiB
HTML
141 lines
6.6 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
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<!-- saved from url=(0041)https://www.iddevnet.com/doom3/sounds.php -->
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<html><head><meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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<title>id.sdk [Sounds]</title>
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<link rel="stylesheet" href="style.css">
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</head>
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<body marginwidth="0" marginheight="0" topmargin="0" leftmargin="0">
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<table border=0 cellpadding=0 cellspacing=0 style="width: 100%; height: 99px">
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<tr>
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<td style="width: 171px"><img src="images/doom.jpg" style="width: 171px; height: 99px" alt=""></td>
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<td style="background: url(images/tile.gif)">
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<table border=0 cellpadding=0 cellspacing=0 width=600>
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<tr>
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<td style="height: 19px; background: url(images/sdk.gif) no-repeat"></td>
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<td rowspan=4 align=right><img src="images/id.gif" style="width: 42px; height: 99px" alt=""></td>
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</tr>
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<tr><td style="height: 29px; background: url(images/top.jpg) no-repeat"></td></tr>
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<tr><td style="height: 27px; background: url(images/middle.gif)" class="title"> Making DOOM 3 Mods : Sounds</td></tr>
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<tr><td style="height: 24px; background: url(images/bottom.jpg) no-repeat"></td></tr>
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</table>
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</td>
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</tr>
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</table>
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<table border=0 cellpadding=0 cellspacing=0 style="width: 770px">
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<tr>
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<td colspan=2 style="background: url(images/boxtop.gif);"><img src="images/span.jpg" style="width: 397px; height: 20px; float: left" alt=""></td>
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</tr>
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<tr>
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<td style="vertical-align: top; width: 152px; background: url(images/tileleft.gif)">
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<div class="leftMenu">
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<script src="menu.js"></script>
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</div>
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</td>
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<td class="mainContent">
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<p>
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Sound shaders are completely new for Doom 3. They allow for more control over the sounds
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than what was previously allowed in id engines. They also allow designers to drop sounds
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in levels without having to set some common parameters every time.
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</p><p>
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Let's take a look at a simple sound shader:
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</p><pre class="code">c1_sentry_loader_in
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{
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minDistance 10
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maxDistance 25
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no_occlusion
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volume 3
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sound/movers/comm1/sentry_loader_in.wav
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}
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</pre>
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<img src="images/sounds_a.png" align="right" border="1">
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<p>
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</p><li>minDistance / maxDistance sets the radius where the sound fades out. The sound is at maximum
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volume inside 'minDistance' radius, and it completely silent after 'maxDistance' radius.
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</li><li>The no_occlusion key tells the engine not to take level geometry in to account when calculating
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volume.
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</li><li>'volume' is the volume inside the inner radius of the sound.
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</li><li>The last line sets the actual sound file to play.
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<p>
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Let's take a look at another one:
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</p><pre class="code">emetal_impacts
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{
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minDistance 5
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maxDistance 45
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volume 5
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no_dups
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sound/impact/ambient_impacts/emetal_01.wav
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sound/impact/ambient_impacts/emetal_02.wav
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sound/impact/ambient_impacts/emetal_03.wav
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sound/impact/ambient_impacts/emetal_04.wav
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sound/impact/ambient_impacts/emetal_05.wav
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}
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</pre>
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<p>
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This one has multiple sound files specified, which means the engine will randomly choose one to play.
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</p><p>
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The cvar s_maxSoundsPerShader limits the maximum number of sounds that can be in a shader. This is set
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to 0 (no limit) for high end systems and 1 for low end systems (which means it always plays the first
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sound in the list).
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</p><p>
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Here's a list of all the keywords that can be in a sound shader
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</p><table class="datatable">
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<tbody><tr><td class="nobr">minSamples <int></td><td>Overrides s_maxSoundsPerShader</td>
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</tr><tr><td class="nobr">description <string></td><td>A short message describing the sound</td>
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</tr><tr><td class="nobr">minDistance <float></td><td>The closest you can get to the sound before it goes to full volume</td>
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</tr><tr><td class="nobr">maxDistance <float></td><td>The furthest you can get from the sound before it goes to zero volume</td>
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</tr><tr><td class="nobr">shakes [float]</td><td>Shake the screen when this sound plays. The shake intensity is volume multiplied by [float] (which defaults to 1)<br>*Should not be used with .ogg files*</td>
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</tr><tr><td class="nobr">volume</td><td>The maximum volume for this sound (volume inside minDistance)</td>
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</tr><tr><td class="nobr">leadinVolume</td><td>The volume of the leadin sound (used to allow light breaking leadin sounds to be much louder than the broken loop)</td>
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</tr><tr><td class="nobr">mask_center</td><td>Play through the center channel</td>
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</tr><tr><td class="nobr">mask_left</td><td>Play through the left channel</td>
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</tr><tr><td class="nobr">mask_right</td><td>Play through the right channel</td>
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</tr><tr><td class="nobr">mask_backleft</td><td>Play through the left rear channel</td>
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</tr><tr><td class="nobr">mask_backright</td><td>Play through the right rear channel</td>
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</tr><tr><td class="nobr">mask_lfe</td><td>Play through the low frequency channel (subwoofer)</td>
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</tr><tr><td class="nobr">soundClass <int></td><td>sound classes are used to fade most sounds down inside cinematics, leaving dialog flagged with a non-zero class full volume</td>
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</tr><tr><td class="nobr">altSound <sound></td><td>Used for pairing a specific broken light sound with a normal light sound</td>
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</tr><tr><td class="nobr">no_dups</td><td>Don't play the same sound twice in a row</td>
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</tr><tr><td class="nobr">no_flicker</td><td>Always return 1.0 for volume queries</td>
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</tr><tr><td class="nobr">looping</td><td>Repeat the sound constantly</td>
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</tr><tr><td class="nobr">no_occlusion</td><td>Don't flow through portals, only use a straight line</td>
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</tr><tr><td class="nobr">private</td><td>Only plays for the current listener</td>
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</tr><tr><td class="nobr">global</td><td>Play full volume to all speakers and all listeners</td>
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</tr><tr><td class="nobr">unclamped</td><td>Don't clamp calculated values at 1.0</td>
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</tr><tr><td class="nobr">omnidirectional</td><td>Fall off with distance, but play same volume in all speakers</td>
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</tr><tr><td class="nobr">leadin <file></td><td>Sound file to use for the lead-in to a looping sound</td>
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</tr></tbody></table>
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<p>
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If no channel masks are set, it will default to playing through all channels.
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</p><p>
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Valid sound files are 1 or 2 channel, 16 bit OGG or WAV files at 11025, 22050 or 44100 Hz.
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<br>
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</p></li></td>
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</tr>
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<tr>
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<td colspan="2" bgcolor="#CCCCCC"><img src="images/span2.gif" style="width: 397px; height: 8px; float: left;"></td>
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</tr>
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</tbody></table>
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<table border="0" cellpadding="0" cellspacing="0" width="770">
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<tbody><tr>
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<td align="left" class="legalese">Copyright <20> 2004 <a href="http://www.idsoftware.com/">id software</a></td>
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</tr>
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</tbody></table>
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</body></html>
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