From f6fe215e9f9df05b9078cbb4aebc6134595acba6 Mon Sep 17 00:00:00 2001
From: bibendovsky <bibendovsky@hotmail.com>
Date: Fri, 17 May 2013 08:34:19 +0300
Subject: [PATCH] Fixed screen twitches.

Video sample (not mine):
http://www.youtube.com/watch?v=ZUohifAbPW0
---
 neo/sound/snd_cache.cpp | 50 -----------------------------------------
 1 file changed, 50 deletions(-)

diff --git a/neo/sound/snd_cache.cpp b/neo/sound/snd_cache.cpp
index e0f1001a..59e23210 100644
--- a/neo/sound/snd_cache.cpp
+++ b/neo/sound/snd_cache.cpp
@@ -496,28 +496,6 @@ void idSoundSample::Load( void ) {
 			if ( alGetError() != AL_NO_ERROR ) {
 				common->Error( "idSoundCache: error loading data into OpenAL hardware buffer" );
 			} else {
-				// Compute amplitude block size
-				int blockSize = 512 * objectInfo.nSamplesPerSec / 44100 ;
-
-				// Allocate amplitude data array
-				amplitudeData = (byte *)soundCacheAllocator.Alloc( ( objectSize / blockSize + 1 ) * 2 * sizeof( short) );
-
-				// Creating array of min/max amplitude pairs per blockSize samples
-				int i;
-				for ( i = 0; i < objectSize; i+=blockSize ) {
-					short min = 32767;
-					short max = -32768;
-
-					int j;
-					for ( j = 0; j < Min( objectSize - i, blockSize ); j++ ) {
-						min = ((short *)nonCacheData)[ i + j ] < min ? ((short *)nonCacheData)[ i + j ] : min;
-						max = ((short *)nonCacheData)[ i + j ] > max ? ((short *)nonCacheData)[ i + j ] : max;
-					}
-
-					((short *)amplitudeData)[ ( i / blockSize ) * 2     ] = min;
-					((short *)amplitudeData)[ ( i / blockSize ) * 2 + 1 ] = max;
-				}
-
 				hardwareBuffer = true;
 			}
 		}
@@ -571,28 +549,6 @@ void idSoundSample::Load( void ) {
 					if ( alGetError() != AL_NO_ERROR )
 						common->Error( "idSoundCache: error loading data into OpenAL hardware buffer" );
 					else {
-						// Compute amplitude block size
-						int blockSize = 512 * objectInfo.nSamplesPerSec / 44100 ;
-
-						// Allocate amplitude data array
-						amplitudeData = (byte *)soundCacheAllocator.Alloc( ( objectSize / blockSize + 1 ) * 2 * sizeof( short ) );
-
-						// Creating array of min/max amplitude pairs per blockSize samples
-						int i;
-						for ( i = 0; i < objectSize; i+=blockSize ) {
-							short min = 32767;
-							short max = -32768;
-
-							int j;
-							for ( j = 0; j < Min( objectSize - i, blockSize ); j++ ) {
-								min = ((short *)destData)[ i + j ] < min ? ((short *)destData)[ i + j ] : min;
-								max = ((short *)destData)[ i + j ] > max ? ((short *)destData)[ i + j ] : max;
-							}
-
-							((short *)amplitudeData)[ ( i / blockSize ) * 2     ] = min;
-							((short *)amplitudeData)[ ( i / blockSize ) * 2 + 1 ] = max;
-						}
-
 						hardwareBuffer = true;
 					}
 
@@ -601,12 +557,6 @@ void idSoundSample::Load( void ) {
 				}
 			}
 		}
-
-		// Free memory if sample was loaded into hardware
-		if ( hardwareBuffer ) {
-			soundCacheAllocator.Free( nonCacheData );
-			nonCacheData = NULL;
-		}
 	}
 
 	fh.Close();