1 /*

     2  * Hedgewars-iOS, a Hedgewars port for iOS devices

     3  * Copyright (c) 2009-2011 Vittorio Giovara <vittorio.giovara@gmail.com>

     4  *

     5  * This program is free software; you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License as published by

     7  * the Free Software Foundation; version 2 of the License

     8  *

     9  * This program is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12  * GNU General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU General Public License

    15  * along with this program; if not, write to the Free Software

    16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

    17  *

    18  * File created on 13/03/2011.

    19  */

    20 

    21 

    22 #import "AudioManagerController.h"

    23 #import "AVFoundation/AVAudioPlayer.h"

    24 #import <AudioToolbox/AudioToolbox.h>

    25 

    26 

    27 static AVAudioPlayer *backgroundMusic = nil;

    28 static SystemSoundID clickSound = -1;

    29 static SystemSoundID backSound = -1;

    30 static SystemSoundID selSound = -1;

    31 

    32 @implementation AudioManagerController

    33 

    34 #pragma mark -

    35 #pragma mark background music control

    36 +(void) loadBackgroundMusic {

    37     NSString *musicString = [[NSBundle mainBundle] pathForResource:@"hwclassic" ofType:@"mp3"];

    38     backgroundMusic = [[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:musicString] error:nil];

    39 

    40     backgroundMusic.delegate = nil;

    41     backgroundMusic.volume = 0.4f;

    42     backgroundMusic.numberOfLoops = -1;

    43     [backgroundMusic prepareToPlay];

    44 }

    45 

    46 +(void) playBackgroundMusic {

    47     if ([[[NSUserDefaults standardUserDefaults] objectForKey:@"music"] boolValue] == NO)

    48         return;

    49 

    50     if (backgroundMusic == nil)

    51         [AudioManagerController loadBackgroundMusic];

    52 

    53     [backgroundMusic play];

    54 }

    55 

    56 +(void) pauseBackgroundMusic {

    57     [backgroundMusic pause];

    58 }

    59 

    60 +(void) stopBackgroundMusic {

    61     [backgroundMusic stop];

    62 }

    63 

    64 #pragma mark -

    65 #pragma mark sound effects control

    66 +(SystemSoundID) loadSound:(NSString *)snd {

    67     // get the filename of the sound file:

    68     NSString *path = [NSString stringWithFormat:@"%@/%@",[[NSBundle mainBundle] resourcePath],snd];

    69 

    70     // declare a system sound id and get a URL for the sound file

    71     SystemSoundID soundID;

    72     NSURL *filePath = [NSURL fileURLWithPath:path isDirectory:NO];

    73 

    74     // use audio sevices to create and play the sound

    75     AudioServicesCreateSystemSoundID((CFURLRef)filePath, &soundID);

    76     return soundID;

    77 }

    78 

    79 +(void) playClickSound {

    80     if ([[[NSUserDefaults standardUserDefaults] objectForKey:@"sound"] boolValue] == NO)

    81         return;

    82     

    83     if (clickSound == -1)

    84         clickSound = [AudioManagerController loadSound:@"clickSound.wav"];

    85     

    86     AudioServicesPlaySystemSound(clickSound);

    87 }

    88 

    89 +(void) playBackSound {

    90     if ([[[NSUserDefaults standardUserDefaults] objectForKey:@"sound"] boolValue] == NO)

    91         return;

    92     

    93     if (backSound == -1)

    94         backSound = [AudioManagerController loadSound:@"backSound.wav"];

    95     

    96     AudioServicesPlaySystemSound(backSound);

    97 }

    98 

    99 +(void) playSelectSound {

   100     if ([[[NSUserDefaults standardUserDefaults] objectForKey:@"sound"] boolValue] == NO)

   101         return;

   102     

   103     if (selSound == -1)

   104         selSound = [AudioManagerController loadSound:@"selSound.wav"];

   105     

   106     AudioServicesPlaySystemSound(selSound);

   107 }

   108 

   109 #pragma mark -

   110 #pragma mark memory management

   111 +(void) didReceiveMemoryWarning {

   112     [backgroundMusic stop];

   113     backgroundMusic = nil;

   114     clickSound = -1;

   115     backSound = -1;

   116 }

   117 

   118 +(void) dealloc {

   119     releaseAndNil(backgroundMusic);

   120     AudioServicesDisposeSystemSoundID(clickSound), clickSound = -1;

   121     AudioServicesDisposeSystemSoundID(backSound), backSound = -1;

   122     AudioServicesDisposeSystemSoundID(selSound), selSound = -1;

   123     [super dealloc];

   124 }

   125 

   126 @end