diff -r 2cccf6b2b89d -r a6030b32b222 project_files/HedgewarsMobile/MXAudioPlayerFadeOperation.m
--- a/project_files/HedgewarsMobile/MXAudioPlayerFadeOperation.m	Thu Feb 09 18:59:46 2012 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,133 +0,0 @@
-//  MXAudioPlayerFadeOperation.m
-//
-//  Created by Andrew Mackenzie-Ross on 30/11/10.
-//  mackross.net.
-//
-
-#import "MXAudioPlayerFadeOperation.h"
-#import <AVFoundation/AVFoundation.h>
-
-#define SKVolumeChangesPerSecond 15
-
-@interface MXAudioPlayerFadeOperation ()
-@property (nonatomic, retain, readwrite) AVAudioPlayer *audioPlayer; 
-- (void)beginFadeOperation;
-- (void)finishFadeOperation;
-@end
-
-@implementation MXAudioPlayerFadeOperation
-#pragma mark -
-#pragma mark Properties
-@synthesize audioPlayer = _audioPlayer;
-@synthesize fadeDuration = _fadeDuration;
-@synthesize finishVolume = _finishVolume;
-@synthesize playBeforeFade = _playBeforeFade;
-@synthesize pauseAfterFade = _pauseAfterFade;
-@synthesize stopAfterFade = _stopAfterFade;
-@synthesize delay = _delay;
-
-#pragma mark -
-#pragma mark Accessors
-- (AVAudioPlayer *)audioPlayer {
-  AVAudioPlayer *result;
-  @synchronized(self) {
-    result = [_audioPlayer retain];
-  }
-  return [result autorelease];
-}
-
-- (void)setAudioPlayer:(AVAudioPlayer *)anAudioPlayer {
-  @synchronized(self) {
-    if (_audioPlayer != anAudioPlayer) {
-      [_audioPlayer release];
-      _audioPlayer = [anAudioPlayer retain];
-    }
-  }
-}
-
-#pragma mark -
-#pragma mark NSOperation
--(id) initFadeWithAudioPlayer:(AVAudioPlayer*)player toVolume:(float)volume overDuration:(NSTimeInterval)duration withDelay:(NSTimeInterval)timeDelay {
-  if (self = [super init]) {
-    self.audioPlayer = player;
-    [player prepareToPlay];
-    _fadeDuration = duration;
-    _finishVolume = volume;
-    _playBeforeFade = YES;
-    _stopAfterFade = NO;
-    _pauseAfterFade = (volume == 0.0) ? YES : NO;
-    _delay = timeDelay;
-  }
-  return self;
-}
-
-- (id)initFadeWithAudioPlayer:(AVAudioPlayer*)player toVolume:(float)volume overDuration:(NSTimeInterval)duration {
-  return [self initFadeWithAudioPlayer:player toVolume:volume overDuration:duration withDelay:0.0];
-}
-
-- (id)initFadeWithAudioPlayer:(AVAudioPlayer*)player toVolume:(float)volume {
-  return [self initFadeWithAudioPlayer:player toVolume:volume overDuration:1.0];
-}
-
-- (id)initFadeWithAudioPlayer:(AVAudioPlayer*)player {
-  return [self initFadeWithAudioPlayer:player toVolume:0.0];
-}
-
-- (id) init {
-  ALog(@"Failed to init class (%@) with AVAudioPlayer instance, use initFadeWithAudioPlayer:",[self class]);
-  return nil;
-}
-
-- (void)main {
-  NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-  [NSThread sleepForTimeInterval:_delay];
-  if ([self.audioPlayer isKindOfClass:[AVAudioPlayer class]]) {
-    [self beginFadeOperation];
-  }
-  else {
-    ALog(@"AudioPlayerFadeOperation began with invalid AVAudioPlayer");
-  }
-  
-  [pool release];
-}
-
-- (void)beginFadeOperation {
-  if (![self.audioPlayer isPlaying] && _playBeforeFade) [self.audioPlayer play];
-  
-  if (_fadeDuration != 0.0) {
-    
-    NSTimeInterval sleepInterval = (1.0 / SKVolumeChangesPerSecond);
-    NSTimeInterval startTime = [[NSDate date] timeIntervalSinceReferenceDate];
-    NSTimeInterval now = startTime;
-    
-    float startVolume = [self.audioPlayer volume];
-    
-    while (now < (startTime + _fadeDuration)) {
-      float ratioOfFadeCompleted = (now - startTime)/_fadeDuration;
-      float volume = (_finishVolume * ratioOfFadeCompleted) + (startVolume * (1-ratioOfFadeCompleted));
-      [self.audioPlayer setVolume:volume];
-      [NSThread sleepForTimeInterval:sleepInterval];
-      now = [[NSDate date] timeIntervalSinceReferenceDate];
-    }
-    
-    [self.audioPlayer setVolume:_finishVolume];
-    [self finishFadeOperation];
-  }
-  else {
-    [self.audioPlayer setVolume:_finishVolume];
-    [self finishFadeOperation];
-  }
-}
-
-- (void)finishFadeOperation {
-  if ([self.audioPlayer isPlaying] && _pauseAfterFade) [self.audioPlayer pause];
-  if ([self.audioPlayer isPlaying] && _stopAfterFade) [self.audioPlayer stop];
-}
-
-- (void)dealloc {
-  releaseAndNil(_audioPlayer);
-  [super dealloc];
-}
-
-@end
-