Added more sound effeects. Added audio manager.

AlientAttack.MonoGame/AlienAttackGame.cs

@@ -1,4 +1,5 @@
-using AlienAttack.MonoGame.GameLoops;
+using AlienAttack.MonoGame.Audio;
+using AlienAttack.MonoGame.GameLoops;
 using AlienAttack.MonoGame.View;
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Audio;
@@ -20,6 +21,7 @@ public class AlienAttackGame : Game
 
     public SpriteBatch SpriteBatch => _spriteBatch;
     public ViewTransform ViewTransform => _viewTransform;
+    public AudioManager Audio { get; private set; } = new();
 
     private const string SDL = "SDL2.dll";
 
@@ -47,27 +49,7 @@ public class AlienAttackGame : Game
 
         MaximizeWindow();
 
-        PlayBackgroundMusic();
-    }
-
-    private void PlayBackgroundMusic()
-    {
-        Song song = Content.Load<Song>($@"Music\Untitled");
-
-        // Set whether the song should repeat when finished
-        MediaPlayer.IsRepeating = true;
-
-        // Adjust the volume (0.0f to 1.0f)
-        MediaPlayer.Volume = 0.5f;
-
-        // Check if the media player is already playing, if so, stop it
-        if (MediaPlayer.State == MediaState.Playing)
-        {
-            MediaPlayer.Stop();
-        }
-
-        // Start playing the background music
-        MediaPlayer.Play(song);
+        //Audio.PlayMusic(Content, @"Music\Untitled");
     }
 
     private void ConfigureWindow()
@@ -91,11 +73,16 @@ public class AlienAttackGame : Game
     {
         _spriteBatch = new SpriteBatch(GraphicsDevice);
         _gameLoop = new GameLoop(this);
+
         // TODO: use this.Content to load your game content here
+        Audio.LoadContent(Content);
     }
 
     protected override void Update(GameTime gameTime)
     {
+        if (IsActive == false)
+            return;
+
         if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
             Exit();
 

AlientAttack.MonoGame/Audio/AudioManager.cs

@@ -0,0 +1,284 @@
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Audio;
+using Microsoft.Xna.Framework.Content;
+using Microsoft.Xna.Framework.Media;
+using System;
+
+namespace AlienAttack.MonoGame.Audio;
+
+public sealed class AudioManager
+{
+    public float MasterVolume { get; set; } = 1f;
+    public float SfxVolume { get; set; } = 0.8f;
+    public float MusicVolume { get; set; } = 0.7f;
+
+    private readonly Random _random = new(12345);
+
+    // Pools
+    private VariantSoundPool _playerGunPool = default!;
+    private VariantSoundPool _enemyGunPool = default!;
+    private VariantSoundPool _explosionPool = default!;
+    private VariantSoundPool _impactPool = default!;
+
+    // Rate limiters (global caps per category/event)
+    private RateLimiter _playerGunLimiter = new(0.06f); // max ~16 plays/sec
+    private RateLimiter _enemyGunLimiter = new(0.12f); // max ~8 plays/sec (global for all enemies)
+    private RateLimiter _impactLimiter = new(0.04f);
+
+    // Music
+    private Song? _currentSong;
+    private float _musicDuck = 1f;         // 1.0 = normal, <1 = ducked
+    private float _musicDuckTarget = 1f;
+    private float _musicDuckSpeed = 6f;    // how fast it moves toward target (bigger = snappier)
+
+    public void LoadContent(ContentManager content)
+    {
+        // Load SoundEffects once
+        LoadPlayerGunPool(content);
+        LoadEnemyGunPool(content);
+        LoadImpactPool(content);
+        LoadExplosionPool(content);
+
+        //var playerGun = content.Load<SoundEffect>("Audio/Sfx/player_fire");
+        //var enemyGun = content.Load<SoundEffect>("Audio/Sfx/enemy_fire");
+        //var explosion = content.Load<SoundEffect>("Audio/Sfx/explosion");
+        //var impact = content.Load<SoundEffect>("Audio/Sfx/impact");
+
+        // Create pools with sane voice caps
+        //_playerGunPool = new SoundPool(playerGun, maxVoices: 2);
+        //_enemyGunPool = new SoundPool(enemyGun, maxVoices: 3);
+        //_explosionPool = new SoundPool(explosion, maxVoices: 6);
+        //_impactPool = new SoundPool(impact, maxVoices: 4);
+    }
+
+    private void LoadPlayerGunPool(ContentManager content)
+    {
+        var playerGunVariants = new[]
+        {
+            content.Load<SoundEffect>("Sfx/GUNAuto_Assault Rifle A Fire_01_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/GUNAuto_Assault Rifle A Fire_02_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/GUNAuto_Assault Rifle A Fire_03_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/GUNAuto_Assault Rifle A Fire_04_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/GUNAuto_Assault Rifle A Fire_05_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/GUNAuto_Assault Rifle A Fire_06_SFRMS_SCIWPNS")
+        };
+
+        _playerGunPool = new VariantSoundPool(playerGunVariants, voicesPerVariant: 1, rng: _random);
+    }
+
+    private void LoadEnemyGunPool(ContentManager content)
+    {
+        var variants = new[]
+        {
+            content.Load<SoundEffect>("Sfx/Pistol/GUNPis_Pistol Fire_01_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/Pistol/GUNPis_Pistol Fire_02_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/Pistol/GUNPis_Pistol Fire_03_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/Pistol/GUNPis_Pistol Fire_04_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/Pistol/GUNPis_Pistol Fire_05_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/Pistol/GUNPis_Pistol Fire_06_SFRMS_SCIWPNS"),
+        };
+
+        _enemyGunPool = new VariantSoundPool(variants, voicesPerVariant: 1, rng: _random);
+    }
+
+    private void LoadImpactPool(ContentManager content)
+    {
+        var variants = new[]
+        {
+            content.Load<SoundEffect>("Sfx/Impact/BLLTImpt_Impact Object_01_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/Impact/BLLTImpt_Impact Object_02_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/Impact/BLLTImpt_Impact Object_03_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/Impact/BLLTImpt_Impact Object_04_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/Impact/BLLTImpt_Impact Object_05_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/Impact/BLLTImpt_Impact Object_06_SFRMS_SCIWPNS"),
+        };
+
+        _impactPool = new VariantSoundPool(variants, voicesPerVariant: 1, rng: _random);
+    }
+
+    private void LoadExplosionPool(ContentManager content)
+    {
+        var variants = new[]
+        {
+            content.Load<SoundEffect>("Sfx/Explosions/EXPLDsgn_Explosion Impact_01_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/Explosions/EXPLDsgn_Explosion Impact_02_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/Explosions/EXPLDsgn_Explosion Impact_03_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/Explosions/EXPLDsgn_Explosion Impact_04_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/Explosions/EXPLDsgn_Explosion Impact_05_SFRMS_SCIWPNS"),
+            content.Load<SoundEffect>("Sfx/Explosions/EXPLDsgn_Explosion Impact_06_SFRMS_SCIWPNS")
+        };
+
+        _explosionPool = new VariantSoundPool(variants, voicesPerVariant: 1, rng: _random);
+    }
+
+    // Call this once per frame
+    public void Update(GameTime gameTime)
+    {
+        float dt = (float)gameTime.ElapsedGameTime.TotalSeconds;
+
+        _playerGunLimiter.Update(dt);
+        _enemyGunLimiter.Update(dt);
+        _impactLimiter.Update(dt);
+
+        // Smoothly approach the duck target
+        _musicDuck = Approach(_musicDuck, _musicDuckTarget, _musicDuckSpeed * dt);
+
+        // Apply music volume
+        MediaPlayer.Volume = Clamp01(MasterVolume * MusicVolume * _musicDuck);
+    }
+
+    // -----------------------
+    // Public SFX entry points
+    // -----------------------
+
+    public void PlayPlayerFire()
+    {
+        if (!_playerGunLimiter.TryConsume()) return;
+
+        // Bullet sounds should be short + quiet-ish
+        float baseVol = 0.35f;
+        float vol = baseVol * RandRange(0.92f, 1.05f);
+        float pitch = RandRange(-0.05f, 0.05f);
+
+        _playerGunPool.Play(
+            volume: Clamp01(MasterVolume * SfxVolume * vol),
+            pitch: pitch
+        );
+    }
+
+    public void PlayEnemyFire()
+    {
+        if (!_enemyGunLimiter.TryConsume()) return;
+
+        float baseVol = 0.28f;
+        float vol = baseVol * RandRange(0.90f, 1.05f);
+        float pitch = RandRange(-0.07f, 0.07f);
+
+        _enemyGunPool.Play(
+            volume: Clamp01(MasterVolume * SfxVolume * vol),
+            pitch: pitch
+        );
+    }
+
+    public void PlayImpact()
+    {
+        if (!_impactLimiter.TryConsume()) return;
+
+        float baseVol = 0.25f;
+        float vol = baseVol * RandRange(0.90f, 1.10f);
+        float pitch = RandRange(-0.08f, 0.08f);
+
+        _impactPool.Play(
+            volume: Clamp01(MasterVolume * SfxVolume * vol),
+            pitch: pitch
+        );
+    }
+
+    public void PlayExplosion(bool duckMusic = true)
+    {
+        float baseVol = 0.85f;
+        float vol = baseVol * RandRange(0.95f, 1.05f);
+        float pitch = RandRange(-0.04f, 0.04f);
+
+        _explosionPool.Play(
+            volume: Clamp01(MasterVolume * SfxVolume * vol),
+            pitch: pitch
+        );
+
+        if (duckMusic)
+        {
+            // Duck music quickly, then let it recover
+            DuckMusic(amount: 0.55f, holdSeconds: 0.20f, releaseSeconds: 0.35f);
+        }
+    }
+
+    // -----------------------
+    // Music
+    // -----------------------
+
+    public void PlayMusic(ContentManager content, string songAssetName, bool loop = true)
+    {
+        // Example asset name: "Audio/Music/level1"
+        _currentSong = content.Load<Song>(songAssetName);
+
+        MediaPlayer.IsRepeating = loop;
+        MediaPlayer.Volume = Clamp01(MasterVolume * MusicVolume * _musicDuck);
+        MediaPlayer.Play(_currentSong);
+    }
+
+    public void StopMusic() => MediaPlayer.Stop();
+    public void PauseMusic() => MediaPlayer.Pause();
+    public void ResumeMusic() => MediaPlayer.Resume();
+
+    // Duck helper: amount < 1.0 means quieter music (e.g., 0.55)
+    public void DuckMusic(float amount, float holdSeconds, float releaseSeconds)
+    {
+        amount = Math.Clamp(amount, 0.05f, 1f);
+        _musicDuckTarget = amount;
+
+        // Use a tiny internal timer without introducing a scheduler:
+        // We'll set a one-shot "return to 1" using a lightweight countdown.
+        _duckReturnTimer = holdSeconds;
+        _duckReleaseSeconds = Math.Max(0.01f, releaseSeconds);
+    }
+
+    private float _duckReturnTimer = 0f;
+    private float _duckReleaseSeconds = 0.35f;
+
+    // Call from Update to manage duck release
+    private void HandleDuckRelease(float dt)
+    {
+        if (_musicDuckTarget < 1f)
+        {
+            _duckReturnTimer -= dt;
+            if (_duckReturnTimer <= 0f)
+            {
+                // start releasing
+                _musicDuckTarget = 1f;
+                _musicDuckSpeed = 1f / _duckReleaseSeconds; // approx
+                // after it reaches 1, you can restore default speed if you want
+            }
+        }
+        else
+        {
+            // restore default “snappiness” once fully normal
+            if (Math.Abs(_musicDuck - 1f) < 0.001f)
+                _musicDuckSpeed = 6f;
+        }
+    }
+
+    // Update override to include duck release handling
+    public void UpdateWithDuck(GameTime gameTime)
+    {
+        float dt = (float)gameTime.ElapsedGameTime.TotalSeconds;
+
+        _playerGunLimiter.Update(dt);
+        _enemyGunLimiter.Update(dt);
+        _impactLimiter.Update(dt);
+
+        HandleDuckRelease(dt);
+
+        _musicDuck = Approach(_musicDuck, _musicDuckTarget, _musicDuckSpeed * dt);
+        MediaPlayer.Volume = Clamp01(MasterVolume * MusicVolume * _musicDuck);
+    }
+
+    // -----------------------
+    // Utilities
+    // -----------------------
+
+    private float RandRange(float min, float max)
+        => (float)(min + _random.NextDouble() * (max - min));
+
+    private static float Clamp01(float v) => Math.Clamp(v, 0f, 1f);
+
+    private static float Approach(float current, float target, float maxDelta)
+    {
+        if (current < target)
+            return Math.Min(current + maxDelta, target);
+
+        if (current > target)
+            return Math.Max(current - maxDelta, target);
+
+        return current;
+    }
+}

AlientAttack.MonoGame/Audio/RateLimiter.cs

@@ -0,0 +1,25 @@
+namespace AlienAttack.MonoGame.Audio;
+
+public sealed class RateLimiter(float cooldownSeconds)
+{
+    private readonly float _cooldownSeconds = cooldownSeconds <= 0 ? 0.0001f : cooldownSeconds;
+    private float _timer = 0f;
+
+    public void Update(float deltaTime)
+    {
+        _timer -= deltaTime;
+
+        if (_timer < 0f)
+            _timer = 0f;
+    }
+
+    public bool TryConsume()
+    {
+        if (_timer > 0f)
+            return false;
+
+        _timer = _cooldownSeconds;
+
+        return true;
+    }
+}

AlientAttack.MonoGame/Audio/SoundPool.cs

@@ -0,0 +1,37 @@
+using Microsoft.Xna.Framework.Audio;
+using System;
+
+namespace AlienAttack.MonoGame.Audio;
+
+public sealed class SoundPool
+{
+    private readonly SoundEffectInstance[] _voices;
+    private int _cursor;
+
+    public SoundPool(SoundEffect effect, int maxVoices)
+    {
+        ArgumentOutOfRangeException.ThrowIfLessThan(maxVoices, 1);
+
+        _voices = new SoundEffectInstance[maxVoices];
+
+        for (int i = 0; i < maxVoices; i++)
+            _voices[i] = effect.CreateInstance();
+    }
+
+    public void Play(float volume = 1f, float pitch = 0f, float pan = 0f)
+    {
+        SoundEffectInstance instance = _voices[_cursor];
+
+        _cursor = (_cursor + 1) % _voices.Length;
+
+        // "Voice stealing": stop if currently playing, then reuse immediately
+        if (instance.State == SoundState.Playing)
+            instance.Stop();
+
+        instance.Volume = Math.Clamp(volume, 0f, 1f);
+        instance.Pitch = Math.Clamp(pitch, -1f, 1f);
+        instance.Pan = Math.Clamp(pan, -1f, 1f);
+
+        instance.Play();
+    }
+}

AlientAttack.MonoGame/Audio/VariantSoundPool.cs

@@ -0,0 +1,48 @@
+using Microsoft.Xna.Framework.Audio;
+using System;
+
+namespace AlienAttack.MonoGame.Audio;
+
+public sealed class VariantSoundPool
+{
+    private readonly SoundPool[] _variantPools;
+    private readonly Random _rng;
+    private int _lastIndex = -1;
+
+    public VariantSoundPool(SoundEffect[] variants, int voicesPerVariant, Random rng)
+    {
+        if (variants == null || variants.Length == 0)
+            throw new ArgumentException("At least one variant is required.", nameof(variants));
+
+        ArgumentOutOfRangeException.ThrowIfLessThan(voicesPerVariant, 1);
+
+        _rng = rng ?? throw new ArgumentNullException(nameof(rng));
+
+        _variantPools = new SoundPool[variants.Length];
+
+        for (int i = 0; i < variants.Length; i++)
+            _variantPools[i] = new SoundPool(variants[i], voicesPerVariant);
+    }
+
+    public void Play(float volume = 1f, float pitch = 0f, float pan = 0f, bool avoidImmediateRepeat = true)
+    {
+        int idx = PickVariantIndex(avoidImmediateRepeat);
+        _variantPools[idx].Play(volume, pitch, pan);
+    }
+
+    private int PickVariantIndex(bool avoidImmediateRepeat)
+    {
+        if (_variantPools.Length == 1)
+            return 0;
+
+        int idx = _rng.Next(_variantPools.Length);
+        if (!avoidImmediateRepeat) { _lastIndex = idx; return idx; }
+
+        // Avoid playing the exact same sample twice in a row (nice polish)
+        if (idx == _lastIndex)
+            idx = (idx + 1 + _rng.Next(_variantPools.Length - 1)) % _variantPools.Length;
+
+        _lastIndex = idx;
+        return idx;
+    }
+}

AlientAttack.MonoGame/Content/Content.mgcb

@@ -151,6 +151,78 @@
 /processorParam:Quality=Best
 /build:Sfx/GUNPis_Pistol Fire_06_SFRMS_SCIWPNS.wav
 
+#begin Sfx/Impact/BLLTImpt_Impact Object_01_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Impact/BLLTImpt_Impact Object_01_SFRMS_SCIWPNS.wav;Sfx/Impact/BLLTImpt_Impact Object_01_SFRMS_SCIWPNS
+
+#begin Sfx/Impact/BLLTImpt_Impact Object_02_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Impact/BLLTImpt_Impact Object_02_SFRMS_SCIWPNS.wav;Sfx/Impact/BLLTImpt_Impact Object_02_SFRMS_SCIWPNS
+
+#begin Sfx/Impact/BLLTImpt_Impact Object_03_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Impact/BLLTImpt_Impact Object_03_SFRMS_SCIWPNS.wav;Sfx/Impact/BLLTImpt_Impact Object_03_SFRMS_SCIWPNS
+
+#begin Sfx/Impact/BLLTImpt_Impact Object_04_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Impact/BLLTImpt_Impact Object_04_SFRMS_SCIWPNS.wav;Sfx/Impact/BLLTImpt_Impact Object_04_SFRMS_SCIWPNS
+
+#begin Sfx/Impact/BLLTImpt_Impact Object_05_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Impact/BLLTImpt_Impact Object_05_SFRMS_SCIWPNS.wav;Sfx/Impact/BLLTImpt_Impact Object_05_SFRMS_SCIWPNS
+
+#begin Sfx/Impact/BLLTImpt_Impact Object_06_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Impact/BLLTImpt_Impact Object_06_SFRMS_SCIWPNS.wav;Sfx/Impact/BLLTImpt_Impact Object_06_SFRMS_SCIWPNS
+
+#begin Sfx/Pistol/GUNPis_Pistol Fire_01_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Pistol/GUNPis_Pistol Fire_01_SFRMS_SCIWPNS.wav;Sfx/Pistol/GUNPis_Pistol Fire_01_SFRMS_SCIWPNS
+
+#begin Sfx/Pistol/GUNPis_Pistol Fire_02_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Pistol/GUNPis_Pistol Fire_02_SFRMS_SCIWPNS.wav;Sfx/Pistol/GUNPis_Pistol Fire_02_SFRMS_SCIWPNS
+
+#begin Sfx/Pistol/GUNPis_Pistol Fire_03_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Pistol/GUNPis_Pistol Fire_03_SFRMS_SCIWPNS.wav;Sfx/Pistol/GUNPis_Pistol Fire_03_SFRMS_SCIWPNS
+
+#begin Sfx/Pistol/GUNPis_Pistol Fire_04_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Pistol/GUNPis_Pistol Fire_04_SFRMS_SCIWPNS.wav;Sfx/Pistol/GUNPis_Pistol Fire_04_SFRMS_SCIWPNS
+
+#begin Sfx/Pistol/GUNPis_Pistol Fire_05_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Pistol/GUNPis_Pistol Fire_05_SFRMS_SCIWPNS.wav;Sfx/Pistol/GUNPis_Pistol Fire_05_SFRMS_SCIWPNS
+
+#begin Sfx/Pistol/GUNPis_Pistol Fire_06_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Pistol/GUNPis_Pistol Fire_06_SFRMS_SCIWPNS.wav;Sfx/Pistol/GUNPis_Pistol Fire_06_SFRMS_SCIWPNS
+
 #begin Sfx/Shield/SCIEnrg_Shield Activate_01_SFRMS_SCIWPNS.wav
 /importer:WavImporter
 /processor:SoundEffectProcessor
@@ -181,6 +253,42 @@
 /processorParam:Quality=Best
 /build:Sfx/Shield/SCIEnrg_Shield Activate_05_SFRMS_SCIWPNS.wav;Sfx/Shield/SCIEnrg_Shield Activate_05_SFRMS_SCIWPNS
 
+#begin Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_01_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_01_SFRMS_SCIWPNS.wav;Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_01_SFRMS_SCIWPNS
+
+#begin Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_02_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_02_SFRMS_SCIWPNS.wav;Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_02_SFRMS_SCIWPNS
+
+#begin Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_03_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_03_SFRMS_SCIWPNS.wav;Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_03_SFRMS_SCIWPNS
+
+#begin Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_04_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_04_SFRMS_SCIWPNS.wav;Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_04_SFRMS_SCIWPNS
+
+#begin Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_05_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_05_SFRMS_SCIWPNS.wav;Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_05_SFRMS_SCIWPNS
+
+#begin Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_06_SFRMS_SCIWPNS.wav
+/importer:WavImporter
+/processor:SoundEffectProcessor
+/processorParam:Quality=Best
+/build:Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_06_SFRMS_SCIWPNS.wav;Sfx/Silenced Pistol/GUNSupr_Silenced Pistol Fire Short_06_SFRMS_SCIWPNS
+
 #begin Sprites/Asteroid 01_png_processed.png
 /importer:TextureImporter
 /processor:TextureProcessor

AlientAttack.MonoGame/GameLoops/GameLoopBase.cs

@@ -1,4 +1,5 @@
-using AlienAttack.MonoGame.View;
+using AlienAttack.MonoGame.Audio;
+using AlienAttack.MonoGame.View;
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Content;
 using Microsoft.Xna.Framework.Graphics;
@@ -11,6 +12,7 @@ internal abstract class GameLoopBase(AlienAttackGame game) : IGameLoop
     protected readonly ContentManager Content = game.Content;
     protected readonly SpriteBatch SpriteBatch = game.SpriteBatch;
     protected readonly ViewTransform ViewTransform = game.ViewTransform;
+    protected readonly AudioManager Audio = game.Audio;
 
     public void Draw(GameTime gameTime)
     {
@@ -23,6 +25,7 @@ internal abstract class GameLoopBase(AlienAttackGame game) : IGameLoop
 
     public void Update(GameTime gameTime)
     {
+        Audio.UpdateWithDuck(gameTime);
         OnUpdate(gameTime);
     }
 

AlientAttack.MonoGame/Things/Bullets/Bullet.cs

@@ -47,5 +47,7 @@ internal class Bullet(float x, float y, float xVel, float yVel, Sprite owner) :
         }
 
         context.SpawnSprite(new MiniExplosion((int)XPosition, (int)YPosition, xVel, yVel));
+
+        context.AudioManager.PlayImpact();
     }
 }

AlientAttack.MonoGame/Things/Enemies/GreenEnemy.cs

@@ -88,6 +88,8 @@ internal class GreenEnemy : EnemyShip
             context.SpawnSprite(new MinigunBulletSmall(originX + 14, YPosition + BoundBox.Height - 12, 0, 2 + YVelocity, this));
 
             CurrentFireThreshold = FireThreshold;
+
+            context.AudioManager.PlayEnemyFire();
         }
 
         //CheckMove(context);
@@ -100,10 +102,12 @@ internal class GreenEnemy : EnemyShip
     {
         context.SpawnSprite(new Explosion((int)XPosition, (int)YPosition, XVelocity, YVelocity));
 
-        int number = context.Random.Next(1, 7);
+        //int number = context.Random.Next(1, 7);
 
-        SoundEffect soundEffect = context.Content.Load<SoundEffect>(@$"Sfx\Explosions\EXPLDsgn_Explosion Impact_0{number}_SFRMS_SCIWPNS");
-        soundEffect.Play(0.95f, (float)(context.Random.NextDouble() * 0.1 - 0.05), 0);
+        //SoundEffect soundEffect = context.Content.Load<SoundEffect>(@$"Sfx\Explosions\EXPLDsgn_Explosion Impact_0{number}_SFRMS_SCIWPNS");
+        //soundEffect.Play(0.95f, (float)(context.Random.NextDouble() * 0.1 - 0.05), 0);
+
+        context.AudioManager.PlayExplosion();
     }
 
     private void CheckFire(SpriteUpdateContext context)

AlientAttack.MonoGame/Things/Enemies/RedEnemy.cs

@@ -73,10 +73,12 @@ internal class RedEnemy : EnemyShip
     {
         context.SpawnSprite(new Explosion((int)XPosition, (int)YPosition, XVelocity, YVelocity));
 
-        int number = context.Random.Next(1, 7);
+        //int number = context.Random.Next(1, 7);
 
-        SoundEffect soundEffect = context.Content.Load<SoundEffect>(@$"Sfx\Explosions\EXPLDsgn_Explosion Impact_0{number}_SFRMS_SCIWPNS");
-        soundEffect.Play(0.95f, (float)(context.Random.NextDouble() * 0.1 - 0.05), 0);
+        //SoundEffect soundEffect = context.Content.Load<SoundEffect>(@$"Sfx\Explosions\EXPLDsgn_Explosion Impact_0{number}_SFRMS_SCIWPNS");
+        //soundEffect.Play(0.95f, (float)(context.Random.NextDouble() * 0.1 - 0.05), 0);
+
+        context.AudioManager.PlayExplosion();
     }
 
     private void TryFire(SpriteUpdateContext context)
@@ -94,6 +96,8 @@ internal class RedEnemy : EnemyShip
             context.SpawnSprite(new MinigunBulletSmall(originX + 14, YPosition + BoundBox.Height - 12, 0, 2 + YVelocity, this));
 
             CurrentFireThreshold = FireThreshold;
+
+            context.AudioManager.PlayEnemyFire();
         }
     }
 

AlientAttack.MonoGame/Things/Enemies/TealEnemy.cs

@@ -66,10 +66,12 @@ internal class TealEnemy : EnemyShip
     {
         context.SpawnSprite(new Explosion((int)XPosition, (int)YPosition, XVelocity, YVelocity));
 
-        int number = context.Random.Next(1, 7);
+        //int number = context.Random.Next(1, 7);
 
-        SoundEffect soundEffect = context.Content.Load<SoundEffect>(@$"Sfx\Explosions\EXPLDsgn_Explosion Impact_0{number}_SFRMS_SCIWPNS");
-        soundEffect.Play(0.95f, (float)(context.Random.NextDouble() * 0.1 - 0.05), 0);
+        //SoundEffect soundEffect = context.Content.Load<SoundEffect>(@$"Sfx\Explosions\EXPLDsgn_Explosion Impact_0{number}_SFRMS_SCIWPNS");
+        //soundEffect.Play(0.95f, (float)(context.Random.NextDouble() * 0.1 - 0.05), 0);
+
+        context.AudioManager.PlayExplosion();
     }
 
     private void TryFire(SpriteUpdateContext context)
@@ -87,6 +89,8 @@ internal class TealEnemy : EnemyShip
             context.SpawnSprite(new MinigunBulletSmall(originX + 14, YPosition + BoundBox.Height - 12, 0, 2 + YVelocity, this));
 
             CurrentFireThreshold = FireThreshold;
+
+            context.AudioManager.PlayEnemyFire();
         }
     }
 

AlientAttack.MonoGame/Things/Player.cs

@@ -97,11 +97,13 @@ internal class Player : MoveableSprite
 
     public override void Update(SpriteUpdateContext context)
     {
+        base.Update(context);
+
         //UpdateExhaustAnimationThreshold();
         CheckMove(context);
         CheckFire(context);
 
-        base.Update(context);
+        //base.Update(context);
     }
 
     private void UpdateExhaustAnimationThreshold()

AlientAttack.MonoGame/Things/SpriteUpdateContext.cs

@@ -1,4 +1,5 @@
-using AlienAttack.MonoGame.View;
+using AlienAttack.MonoGame.Audio;
+using AlienAttack.MonoGame.View;
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Content;
 using System;
@@ -12,6 +13,7 @@ public class SpriteUpdateContext(AlienAttackGame game)
     public required Random Random { get; init; }
     public required GameTime GameTime { get; init; }
     public required ContentManager Content { get; init; }
+    public AudioManager AudioManager => game.Audio;
 }
 
 public class SpriteCollisionContext(AlienAttackGame game)
@@ -21,4 +23,5 @@ public class SpriteCollisionContext(AlienAttackGame game)
     public required Action<Sprite> SpawnSprite { get; init; }
     public required Random Random { get; init; }
     public required ContentManager Content { get; init; }
+    public AudioManager AudioManager => game.Audio;
 }

AlientAttack.MonoGame/Things/Weapons/Minigun.cs

@@ -22,10 +22,12 @@ public class Minigun : Weapon
         context.SpawnSprite(bullet1);
         context.SpawnSprite(bullet2);
 
-        int number = context.Random.Next(1, 7);
+        //int number = context.Random.Next(1, 7);
 
-        SoundEffect soundEffect = context.Content.Load<SoundEffect>(@$"Sfx\GUNAuto_Assault Rifle A Fire_0{number}_SFRMS_SCIWPNS");
-        soundEffect.Play(0.25f, (float)(context.Random.NextDouble() * 0.1 - 0.05), 0);
+        //SoundEffect soundEffect = context.Content.Load<SoundEffect>(@$"Sfx\GUNAuto_Assault Rifle A Fire_0{number}_SFRMS_SCIWPNS");
+        //soundEffect.Play(0.25f, (float)(context.Random.NextDouble() * 0.1 - 0.05), 0);
+
+        context.AudioManager.PlayPlayerFire();
     }
 }