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Merge pull request #70 from sp4ce-cowboy/feature/sound-manager
Add Audio Manager
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202 changes: 202 additions & 0 deletions
202
TowerForge/TowerForge/Commons/Sounds/AudioManager.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,202 @@ | ||
| import Foundation | ||
| import AVFoundation | ||
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||
| /// Explicit internal class to ensure that external clients cannot | ||
| /// interfere with singleton instance. Singleton anti-pattern used here | ||
| /// in line with Apple's AVAudioSession sharedInstance. | ||
| /// | ||
| /// Credits (All music used is free for non-commercial use) | ||
| /// - Level Background Music: Entering The Stronghold by [Denny Schneidemesser](https://www.autodidactic.ai/music/) | ||
| /// - Game Background Music: Field of Memories by [WaterFlame](https://www.waterflame.com/contact-info) | ||
| /// - Sound Effect credits: [Pixabay](https://pixabay.com/service/license-summary/) | ||
| internal class AudioManager: NSObject, AVAudioPlayerDelegate { | ||
| internal static let shared = AudioManager() // Singleton instance | ||
| private var backgroundAudioPlayer: AVAudioPlayer? | ||
| private var mainAudioPlayer: AVAudioPlayer? | ||
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|
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| private var soundEffectPlayers: [String: AVAudioPlayer] = [:] // Cache sound effect players | ||
| private var isBackgroundPlaying = false | ||
| private var isMainPlaying = false | ||
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| private let SOUND_EFFECTS_ENABLED = Constants.SOUND_EFFECTS_ENABLED | ||
| private let VOLUME = Constants.SOUND_EFFECTS_VOLUME | ||
|
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| override init() { | ||
| super.init() | ||
| setupAllAudioPlayers() | ||
| backgroundAudioPlayer?.prepareToPlay() | ||
| Logger.log("AudioManager is initialized", self) | ||
| } | ||
|
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| func setupAllAudioPlayers() { | ||
| setupGameAudioPlayer() | ||
| setupMainAudioPlayer() | ||
| } | ||
|
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| func setupGameAudioPlayer() { | ||
| let soundName = Constants.GAME_BACKGROUND_AUDIO | ||
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| guard let soundURL = Bundle.main.url(forResource: soundName, | ||
| withExtension: nil) else { | ||
| Logger.log("Sound effect \(soundName) not found", self) | ||
| return | ||
| } | ||
|
|
||
| do { | ||
| try AVAudioSession.sharedInstance().setCategory(.ambient, mode: .default) | ||
| try AVAudioSession.sharedInstance().setActive(true) | ||
| backgroundAudioPlayer = try AVAudioPlayer(contentsOf: soundURL) | ||
| backgroundAudioPlayer?.delegate = self | ||
| backgroundAudioPlayer?.numberOfLoops = -1 // Loop indefinitely | ||
| backgroundAudioPlayer?.volume = VOLUME | ||
| backgroundAudioPlayer?.prepareToPlay() | ||
| } catch { | ||
| Logger.log("Failed to play sound effect \(soundName): \(error)", self) | ||
| } | ||
| } | ||
|
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| func setupMainAudioPlayer() { | ||
| let soundName = Constants.MAIN_BACKGROUND_AUDIO | ||
|
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| guard let soundURL = Bundle.main.url(forResource: soundName, | ||
| withExtension: nil) else { | ||
| Logger.log("Sound effect \(soundName) not found", self) | ||
| return | ||
| } | ||
|
|
||
| do { | ||
| try AVAudioSession.sharedInstance().setCategory(.ambient, mode: .default) | ||
| try AVAudioSession.sharedInstance().setActive(true) | ||
| mainAudioPlayer = try AVAudioPlayer(contentsOf: soundURL) | ||
| mainAudioPlayer?.delegate = self | ||
| mainAudioPlayer?.numberOfLoops = -1 // Loop indefinitely | ||
| mainAudioPlayer?.volume = VOLUME | ||
| mainAudioPlayer?.prepareToPlay() | ||
| } catch { | ||
| Logger.log("Failed to play sound effect \(soundName): \(error)", self) | ||
| } | ||
| } | ||
|
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||
| /// Plays background music | ||
| func playMainMusic() { | ||
| stopBackground() | ||
| if !isMainPlaying { | ||
| mainAudioPlayer?.play() | ||
| isMainPlaying = true | ||
| } | ||
| } | ||
|
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| /// Pauses background music | ||
| func pauseMainMusic() { | ||
| if isMainPlaying { | ||
| mainAudioPlayer?.pause() | ||
| isMainPlaying = false | ||
| } | ||
| } | ||
|
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| /// Stops background music and resets the time | ||
| func stopMainMusic() { | ||
| mainAudioPlayer?.stop() | ||
| mainAudioPlayer?.currentTime = 0 | ||
| isMainPlaying = false | ||
| } | ||
|
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| /// Plays background music | ||
| func playBackground() { | ||
| stopMainMusic() | ||
| if !isBackgroundPlaying { | ||
| backgroundAudioPlayer?.play() | ||
| isBackgroundPlaying = true | ||
| } | ||
| } | ||
|
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| /// Pauses background music | ||
| func pauseBackground() { | ||
| if isBackgroundPlaying { | ||
| backgroundAudioPlayer?.pause() | ||
| isBackgroundPlaying = false | ||
| } | ||
| } | ||
|
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| /// Stops background music and resets the time | ||
| func stopBackground() { | ||
| backgroundAudioPlayer?.stop() | ||
| backgroundAudioPlayer?.currentTime = 0 | ||
| isBackgroundPlaying = false | ||
| } | ||
|
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| /// Mutes background music | ||
| func muteBackground() { | ||
| backgroundAudioPlayer?.volume = 0 | ||
| } | ||
|
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| /// Unmutes background music | ||
| func unmuteBackground() { | ||
| backgroundAudioPlayer?.volume = VOLUME | ||
| } | ||
|
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| /// Toggle play/pause background music | ||
| func toggleBackground() { | ||
| if isBackgroundPlaying { | ||
| self.pauseBackground() | ||
| } else { | ||
| self.playBackground() | ||
| } | ||
| } | ||
|
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| /// Toggle play/pause main music | ||
| func toggleMain() { | ||
| if isMainPlaying { | ||
| self.pauseMainMusic() | ||
| } else { | ||
| self.playMainMusic() | ||
| } | ||
| } | ||
|
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| /// Play a sound effect | ||
| func playSoundEffect(named soundName: String) { | ||
| guard SOUND_EFFECTS_ENABLED else { | ||
| return | ||
| } | ||
| // Attempt to use a cached player if available | ||
| if let player = soundEffectPlayers[soundName] { | ||
| player.play() | ||
| } else { | ||
| // Create a new player for the sound effect | ||
| guard let soundURL = Bundle.main.url(forResource: soundName, withExtension: nil) else { | ||
| Logger.log("Sound effect \(soundName) not found", self) | ||
| return | ||
| } | ||
| do { | ||
| let player = try AVAudioPlayer(contentsOf: soundURL) | ||
| player.volume = 1.0 | ||
| player.prepareToPlay() | ||
| player.play() | ||
| soundEffectPlayers[soundName] = player | ||
| } catch { | ||
| Logger.log("Failed to play sound effect \(soundName): \(error)", self) | ||
| } | ||
| } | ||
| } | ||
|
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| // --- Sound effect players --- // | ||
| func playWinSoundEffect() { | ||
| playSoundEffect(named: "success.mp3") | ||
| } | ||
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| func playLoseSoundEffect() { | ||
| playSoundEffect(named: "lose.mp3") | ||
| } | ||
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| func playHitEffect() { | ||
| playSoundEffect(named: "hit-sound.mp3") | ||
| } | ||
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| func playSpecialEffect() { | ||
| playSoundEffect(named: "jump.mp3") | ||
| } | ||
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| func playBeepEffect() { | ||
| playSoundEffect(named: "beep.mp3") | ||
| } | ||
| } |
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TowerForge/TowerForge/Commons/Sounds/field-of-memories-soundtrack.mp3
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