Added more sound effects. Added initial weapon muzzle fire logic.

AlientAttack.MonoGame/Things/Items/Ammo.cs

@@ -2,6 +2,8 @@
 
 internal class Ammo : Item
 {
+    protected override PickupKind Kind => PickupKind.Ammo;
+
     public Ammo(int x, int y) : base(x, y)
     {
         TextureName = @$"Sprites\Powerup_Ammo";

AlientAttack.MonoGame/Things/Items/Energy.cs

@@ -2,6 +2,8 @@
 
 internal class Energy : Item
 {
+    protected override PickupKind Kind => PickupKind.Plasma;
+
     public Energy(int x, int y) : base(x, y)
     {
         TextureName = @$"Sprites\Powerup_Energy";

AlientAttack.MonoGame/Things/Items/Health.cs

@@ -2,6 +2,8 @@
 
 internal class Health : Item
 {
+    protected override PickupKind Kind => PickupKind.Health;
+
     public Health(int x, int y) : base(x, y)
     {
         TextureName = @$"Sprites\Powerup_Health";

AlientAttack.MonoGame/Things/Items/Item.cs

@@ -14,6 +14,8 @@ internal abstract class Item : MoveableSprite
 
     protected string TextureName;
 
+    protected abstract PickupKind Kind { get; }
+
     public Item(int x, int y) : base(x, y)
     {
         YVelocity = .5f;
@@ -61,6 +63,7 @@ internal abstract class Item : MoveableSprite
         {
             IsDead = true;
             ApplyEffect(player);
+            context.AudioManager.PlayPickup(Kind);
         }
     }
 

AlientAttack.MonoGame/Things/Items/PickupKind.cs

@@ -0,0 +1,10 @@
+namespace AlienAttack.MonoGame.Things.Items;
+
+public enum PickupKind
+{
+    Health,
+    Shield,
+    Ammo,
+    Rockets,
+    Plasma
+}

AlientAttack.MonoGame/Things/Items/Rockets.cs

@@ -2,6 +2,8 @@
 
 internal class Rockets : Item
 {
+    protected override PickupKind Kind => PickupKind.Rockets;
+
     public Rockets(int x, int y) : base(x, y)
     {
         TextureName = @$"Sprites\Powerup_Rockets";

AlientAttack.MonoGame/Things/Items/Shields.cs

@@ -2,6 +2,8 @@
 
 internal class Shields : Item
 {
+    protected override PickupKind Kind => PickupKind.Shield;
+
     public Shields(int x, int y) : base(x, y)
     {
         TextureName = @$"Sprites\Powerup_Shields";