Added configurable weapons.

AlientAttack.MonoGame/Hud/Hud.cs

@@ -11,7 +11,7 @@ public record DrawHudContext : DrawContext
     public int Shield;
 }
 
-internal class Hud
+public class Hud
 {
     private Texture2D _pixel;
 

AlientAttack.MonoGame/Things/Bullets/Bullet.cs

@@ -1,8 +1,11 @@
 using AlienAttack.MonoGame.Things.Items;
+using AlienAttack.MonoGame.Things.Muzzles;
+using Microsoft.Xna.Framework;
+using System;
 
 namespace AlienAttack.MonoGame.Things.Bullets;
 
-internal class Bullet(float x, float y, float xVel, float yVel, Sprite owner) : Sprite(x, y)
+public class Bullet(float x, float y, float xVel, float yVel, Sprite owner) : Sprite(x, y)
 {
     protected float XVelocity = xVel;
     protected float YVelocity = yVel;
@@ -32,7 +35,9 @@ internal class Bullet(float x, float y, float xVel, float yVel, Sprite owner) :
 
     public override void OnCollision(SpriteCollisionContext context)
     {
-        if (context.Sprite is Bullet || context.Sprite == Owner || context.Sprite is Item)
+        Sprite sprite = context.Sprite;
+
+        if (sprite is Bullet || sprite == Owner || sprite is Item || sprite is Explosion)
             return;
 
         IsDead = true;

AlientAttack.MonoGame/Things/Bullets/BulletDef.cs

@@ -0,0 +1,11 @@
+using System;
+
+namespace AlienAttack.MonoGame.Things.Bullets;
+
+public sealed class BulletDef
+{
+    public required BulletKind Kind { get; init; }
+    public required int Width { get; init; }
+    public required int Height { get; init; }
+    public required Func<float, float, float, float, Sprite, Bullet> Create { get; init; }
+}

AlientAttack.MonoGame/Things/Bullets/BulletDefinitions.cs

@@ -0,0 +1,100 @@
+namespace AlienAttack.MonoGame.Things.Bullets;
+
+public static class BulletDefinitions
+{
+    public static readonly BulletDef LaserSmall = new()
+    {
+        Kind = BulletKind.LaserSmall,
+        Width = LaserBulletSmall.Width,
+        Height = LaserBulletSmall.Height,
+        Create = (x, y, vx, vy, o) => new LaserBulletSmall(x, y, vx, vy, o),
+    };
+
+    public static readonly BulletDef LaserMedium = new()
+    {
+        Kind = BulletKind.LaserMedium,
+        Width = LaserBulletMedium.Width,
+        Height = LaserBulletMedium.Height,
+        Create = (x, y, vx, vy, o) => new LaserBulletMedium(x, y, vx, vy, o),
+    };
+
+    public static readonly BulletDef LaserLarge = new()
+    {
+        Kind = BulletKind.LaserLarge,
+        Width = LaserBulletLarge.Width,
+        Height = LaserBulletLarge.Height,
+        Create = (x, y, vx, vy, o) => new LaserBulletLarge(x, y, vx, vy, o),
+    };
+
+    public static readonly BulletDef MinigunSmall = new()
+    {
+        Kind = BulletKind.MinigunSmall,
+        Width = MinigunBulletSmall.Width,
+        Height = MinigunBulletSmall.Height,
+        Create = (x, y, vx, vy, o) => new MinigunBulletSmall(x, y, vx, vy, o),
+    };
+
+    public static readonly BulletDef MinigunMedium = new()
+    {
+        Kind = BulletKind.MinigunMedium,
+        Width = MinigunBulletMedium.Width,
+        Height = MinigunBulletMedium.Height,
+        Create = (x, y, vx, vy, o) => new MinigunBulletMedium(x, y, vx, vy, o),
+    };
+
+    public static readonly BulletDef MinigunLarge = new()
+    {
+        Kind = BulletKind.MinigunLarge,
+        Width = MinigunBulletLarge.Width,
+        Height = MinigunBulletLarge.Height,
+        Create = (x, y, vx, vy, o) => new MinigunBulletLarge(x, y, vx, vy, o),
+    };
+
+    public static readonly BulletDef PlasmaSmall = new()
+    {
+        Kind = BulletKind.PlasmaSmall,
+        Width = PlasmaBulletSmall.Width,
+        Height = PlasmaBulletSmall.Height,
+        Create = (x, y, vx, vy, o) => new PlasmaBulletSmall(x, y, vx, vy, o),
+    };
+
+    public static readonly BulletDef PlasmaMedium = new()
+    {
+        Kind = BulletKind.PlasmaMedium,
+        Width = PlasmaBulletMedium.Width,
+        Height = PlasmaBulletMedium.Height,
+        Create = (x, y, vx, vy, o) => new PlasmaBulletMedium(x, y, vx, vy, o),
+    };
+
+    public static readonly BulletDef PlasmaLarge = new()
+    {
+        Kind = BulletKind.PlasmaLarge,
+        Width = PlasmaBulletLarge.Width,
+        Height = PlasmaBulletLarge.Height,
+        Create = (x, y, vx, vy, o) => new PlasmaBulletLarge(x, y, vx, vy, o),
+    };
+
+    public static readonly BulletDef ProtonSmall = new()
+    {
+        Kind = BulletKind.ProtonSmall,
+        Width = ProtonBulletSmall.Width,
+        Height = ProtonBulletSmall.Height,
+        Create = (x, y, vx, vy, o) => new ProtonBulletSmall(x, y, vx, vy, o),
+    };
+
+    public static readonly BulletDef ProtonMedium = new()
+    {
+        Kind = BulletKind.ProtonMedium,
+        Width = ProtonBulletMedium.Width,
+        Height = ProtonBulletMedium.Height,
+        Create = (x, y, vx, vy, o) => new ProtonBulletMedium(x, y, vx, vy, o),
+    };
+
+    public static readonly BulletDef ProtonLarge = new()
+    {
+        Kind = BulletKind.ProtonLarge,
+        Width = ProtonBulletLarge.Width,
+        Height = ProtonBulletLarge.Height,
+        Create = (x, y, vx, vy, o) => new ProtonBulletLarge(x, y, vx, vy, o),
+    };
+}

AlientAttack.MonoGame/Things/Bullets/LaserBulletLarge.cs

@@ -4,7 +4,7 @@ using System;
 
 namespace AlienAttack.MonoGame.Things.Bullets;
 
-internal class LaserBulletLarge : Bullet
+public class LaserBulletLarge : Bullet
 {
     public const int Width = 8;
     public const int Height = 28;

AlientAttack.MonoGame/Things/Bullets/LaserBulletMedium.cs

@@ -4,7 +4,7 @@ using System;
 
 namespace AlienAttack.MonoGame.Things.Bullets;
 
-internal class LaserBulletMedium : Bullet
+public class LaserBulletMedium : Bullet
 {
     public const int Width = 7;
     public const int Height = 21;

AlientAttack.MonoGame/Things/Bullets/LaserBulletSmall.cs

@@ -4,7 +4,7 @@ using System;
 
 namespace AlienAttack.MonoGame.Things.Bullets;
 
-internal class LaserBulletSmall : Bullet
+public class LaserBulletSmall : Bullet
 {
     public const int Width = 6;
     public const int Height = 18;

AlientAttack.MonoGame/Things/Bullets/MinigunBulletLarge.cs

@@ -4,7 +4,7 @@ using System;
 
 namespace AlienAttack.MonoGame.Things.Bullets;
 
-internal class MinigunBulletLarge : Bullet
+public class MinigunBulletLarge : Bullet
 {
     public const int Width = 9;
     public const int Height = 27;

AlientAttack.MonoGame/Things/Bullets/MinigunBulletMedium.cs

@@ -4,7 +4,7 @@ using System;
 
 namespace AlienAttack.MonoGame.Things.Bullets;
 
-internal class MinigunBulletMedium : Bullet
+public class MinigunBulletMedium : Bullet
 {
     public const int Width = 11;
     public const int Height = 21;

AlientAttack.MonoGame/Things/Bullets/MinigunBulletSmall.cs

@@ -4,7 +4,7 @@ using System;
 
 namespace AlienAttack.MonoGame.Things.Bullets;
 
-internal class MinigunBulletSmall : Bullet
+public class MinigunBulletSmall : Bullet
 {
     public const int Width = 11;
     public const int Height = 21;

AlientAttack.MonoGame/Things/Bullets/PlasmaBulletLarge.cs

@@ -4,7 +4,7 @@ using System;
 
 namespace AlienAttack.MonoGame.Things.Bullets;
 
-internal class PlasmaBulletLarge : Bullet
+public class PlasmaBulletLarge : Bullet
 {
     public const int Width = 9;
     public const int Height = 31;

AlientAttack.MonoGame/Things/Bullets/PlasmaBulletMedium.cs

@@ -4,7 +4,7 @@ using System;
 
 namespace AlienAttack.MonoGame.Things.Bullets;
 
-internal class PlasmaBulletMedium : Bullet
+public class PlasmaBulletMedium : Bullet
 {
     public const int Width = 8;
     public const int Height = 26;

AlientAttack.MonoGame/Things/Bullets/PlasmaBulletSmall.cs

@@ -4,7 +4,7 @@ using System;
 
 namespace AlienAttack.MonoGame.Things.Bullets;
 
-internal class PlasmaBulletSmall : Bullet
+public class PlasmaBulletSmall : Bullet
 {
     public const int Width = 7;
     public const int Height = 24;

AlientAttack.MonoGame/Things/Bullets/ProtonBulletLarge.cs

@@ -4,7 +4,7 @@ using System;
 
 namespace AlienAttack.MonoGame.Things.Bullets;
 
-internal class ProtonBulletLarge : Bullet
+public class ProtonBulletLarge : Bullet
 {
     public const int Width = 13;
     public const int Height = 13;

AlientAttack.MonoGame/Things/Bullets/ProtonBulletMedium.cs

@@ -4,7 +4,7 @@ using System;
 
 namespace AlienAttack.MonoGame.Things.Bullets;
 
-internal class ProtonBulletMedium : Bullet
+public class ProtonBulletMedium : Bullet
 {
     public const int Width = 10;
     public const int Height = 10;

AlientAttack.MonoGame/Things/Bullets/ProtonBulletSmall.cs

@@ -4,7 +4,7 @@ using System;
 
 namespace AlienAttack.MonoGame.Things.Bullets;
 
-internal class ProtonBulletSmall : Bullet
+public class ProtonBulletSmall : Bullet
 {
     public const int Width = 6;
     public const int Height = 6;

AlientAttack.MonoGame/Things/Enemies/GreenEnemy.cs

@@ -2,16 +2,12 @@
 using AlienAttack.MonoGame.Things.Items;
 using AlienAttack.MonoGame.Things.Weapons;
 using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Audio;
 using Microsoft.Xna.Framework.Graphics;
-using Microsoft.Xna.Framework.Input;
-using System;
 using System.Collections.Generic;
-using static System.Runtime.InteropServices.JavaScript.JSType;
 
 namespace AlienAttack.MonoGame.Things.Enemies;
 
-internal class GreenEnemy : EnemyShip
+public class GreenEnemy : EnemyShip
 {
     //Enemy01_Green_Frame_1_png_processed
 

AlientAttack.MonoGame/Things/Enemies/RedEnemy.cs

@@ -1,11 +1,10 @@
 using AlienAttack.MonoGame.Things.Bullets;
 using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Audio;
 using Microsoft.Xna.Framework.Graphics;
 
 namespace AlienAttack.MonoGame.Things.Enemies;
 
-internal class RedEnemy : EnemyShip
+public class RedEnemy : EnemyShip
 {
     protected int FireThreshold => 20;
     protected int CurrentFireThreshold { get; set; } = 20;

AlientAttack.MonoGame/Things/Enemies/TealEnemy.cs

@@ -1,11 +1,10 @@
 using AlienAttack.MonoGame.Things.Bullets;
 using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Audio;
 using Microsoft.Xna.Framework.Graphics;
 
 namespace AlienAttack.MonoGame.Things.Enemies;
 
-internal class TealEnemy : EnemyShip
+public class TealEnemy : EnemyShip
 {
     protected int FireThreshold => 20;
     protected int CurrentFireThreshold { get; set; } = 20;

AlientAttack.MonoGame/Things/Explosion.cs

@@ -3,7 +3,7 @@ using Microsoft.Xna.Framework.Graphics;
 
 namespace AlienAttack.MonoGame.Things;
 
-internal class Explosion(int x, int y, float xVel, float yVel) : Sprite(x, y)
+public class Explosion(int x, int y, float xVel, float yVel) : Sprite(x, y)
 {
     protected int CurrentFrame { get; private set; } = 1;
     protected int MaxFrames => 9;

AlientAttack.MonoGame/Things/Items/Ammo.cs

@@ -1,6 +1,6 @@
 namespace AlienAttack.MonoGame.Things.Items;
 
-internal class Ammo : Item
+public class Ammo : Item
 {
     protected override PickupKind Kind => PickupKind.Ammo;
 
@@ -8,9 +8,4 @@ internal class Ammo : Item
     {
         TextureName = @$"Sprites\Powerup_Ammo";
     }
-
-    protected override void ApplyEffect(Player player)
-    {
-        
-    }
 }

AlientAttack.MonoGame/Things/Items/Energy.cs

@@ -1,6 +1,6 @@
 namespace AlienAttack.MonoGame.Things.Items;
 
-internal class Energy : Item
+public class Energy : Item
 {
     protected override PickupKind Kind => PickupKind.Plasma;
 
@@ -8,9 +8,4 @@ internal class Energy : Item
     {
         TextureName = @$"Sprites\Powerup_Energy";
     }
-
-    protected override void ApplyEffect(Player player)
-    {
-        
-    }
 }

AlientAttack.MonoGame/Things/Items/Health.cs

@@ -1,6 +1,6 @@
 namespace AlienAttack.MonoGame.Things.Items;
 
-internal class Health : Item
+public class Health : Item
 {
     protected override PickupKind Kind => PickupKind.Health;
 
@@ -8,9 +8,4 @@ internal class Health : Item
     {
         TextureName = @$"Sprites\Powerup_Health";
     }
-
-    protected override void ApplyEffect(Player player)
-    {
-        
-    }
 }

AlientAttack.MonoGame/Things/Items/Item.cs

@@ -4,7 +4,7 @@ using System;
 
 namespace AlienAttack.MonoGame.Things.Items;
 
-internal abstract class Item : MoveableSprite
+public abstract class Item : MoveableSprite
 {
     private Vector2 _anchor;        // the "center" the item orbits around
     private float _t;               // radians
@@ -59,13 +59,10 @@ internal abstract class Item : MoveableSprite
 
     public override void OnCollision(SpriteCollisionContext context)
     {
-        if (context.Sprite is Player player)
+        if (context.Sprite is Player)
         {
             IsDead = true;
-            ApplyEffect(player);
             context.AudioManager.PlayPickup(Kind);
         }
     }
-
-    protected abstract void ApplyEffect(Player player);
 }

AlientAttack.MonoGame/Things/Items/Rockets.cs

@@ -1,6 +1,6 @@
 namespace AlienAttack.MonoGame.Things.Items;
 
-internal class Rockets : Item
+public class Rockets : Item
 {
     protected override PickupKind Kind => PickupKind.Rockets;
 
@@ -8,9 +8,4 @@ internal class Rockets : Item
     {
         TextureName = @$"Sprites\Powerup_Rockets";
     }
-
-    protected override void ApplyEffect(Player player)
-    {
-        
-    }
 }

AlientAttack.MonoGame/Things/Items/Shields.cs

@@ -1,6 +1,6 @@
 namespace AlienAttack.MonoGame.Things.Items;
 
-internal class Shields : Item
+public class Shields : Item
 {
     protected override PickupKind Kind => PickupKind.Shield;
 
@@ -8,9 +8,4 @@ internal class Shields : Item
     {
         TextureName = @$"Sprites\Powerup_Shields";
     }
-
-    protected override void ApplyEffect(Player player)
-    {
-        
-    }
 }

AlientAttack.MonoGame/Things/MiniExplosion.cs

@@ -3,7 +3,7 @@ using Microsoft.Xna.Framework.Graphics;
 
 namespace AlienAttack.MonoGame.Things;
 
-internal class MiniExplosion(int x, int y, float xVel, float yVel) : Sprite(x, y)
+public class MiniExplosion(int x, int y, float xVel, float yVel) : Sprite(x, y)
 {
     protected int CurrentFrame { get; private set; } = 1;
     protected int MaxFrames => 9;

AlientAttack.MonoGame/Things/Player.cs

@@ -8,10 +8,11 @@ using Microsoft.Xna.Framework.Graphics;
 using Microsoft.Xna.Framework.Input;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 
 namespace AlienAttack.MonoGame.Things;
 
-internal enum PlayerHorizontalMoveState
+public enum PlayerHorizontalMoveState
 {
     None,
     Left,
@@ -19,7 +20,7 @@ internal enum PlayerHorizontalMoveState
 }
 
 [Flags]
-internal enum MoveFlag
+public enum MoveFlag
 {
     None = 0,
     Left = 1,
@@ -34,7 +35,7 @@ public class DrwaState
 
 }
 
-internal class Player : MoveableSprite
+public class Player : MoveableSprite
 {
     protected PlayerHorizontalMoveState MoveState = PlayerHorizontalMoveState.None;
     protected MoveFlag MoveFlags;
@@ -61,10 +62,64 @@ internal class Player : MoveableSprite
     {
         BoundBox = new Rectangle(0, 0, 64, 64);
         //ActiveWeapons.Add(new Minigun());
-        ActiveWeapons.Add(new MinigunTripleSpreadFast());
+        //ActiveWeapons.Add(new MinigunTripleSpreadFast());
         //ActiveWeapons.Add(new MinigunSpread());
         Health = 100;
         Shield = 100;
+
+        // Weapon 1
+        WeaponDef weaponDef = new()
+        {
+            Name = "Weapon 1",
+            Bullet = BulletDefinitions.LaserLarge,
+            Pattern = ShotPatterns.TripleSpread,
+            FireSfxKey = ""
+        };
+
+        WeaponState weasponState = new()
+        {
+            FireThreshold = 15,
+            SpeedMultiplier = 1,
+            DamageBonus = 0
+        };
+
+        ConfigurableWeapon configurableWeapon = new(weaponDef, weasponState);
+
+        // Weapon 2
+        //WeaponDef weaponDef2 = new()
+        //{
+        //    Name = "Weapon 2",
+        //    Bullet = BulletDefinitions.MinigunSmall,
+        //    Pattern = ShotPatterns.Single,
+        //    FireSfxKey = ""
+        //};
+
+        //WeaponState weasponState2 = new()
+        //{
+        //    FireThreshold = 20,
+        //    SpeedMultiplier = 2f,
+        //    DamageBonus = 0
+        //};
+
+        //ConfigurableWeapon configurableWeapon2 = new(weaponDef2, weasponState2);
+
+        ActiveWeapons.Add(configurableWeapon);
+        //ActiveWeapons.Add(configurableWeapon2);
+    }
+
+    public Vector2 GetMuzzleLocal(MuzzleId muzzle)
+    {
+        switch (muzzle)
+        {
+            case MuzzleId.Center:
+                return Muzzles[0].LocalPx;
+            case MuzzleId.Left:
+                return Muzzles[1].LocalPx;
+            case MuzzleId.Right:
+                return Muzzles[2].LocalPx;
+        }
+
+        return new();
     }
 
     //Texture2D texture = Game

AlientAttack.MonoGame/Things/Weapons/ConfigurableWeapon.cs

@@ -0,0 +1,36 @@
+using AlienAttack.MonoGame.Things.Muzzles;
+
+namespace AlienAttack.MonoGame.Things.Weapons;
+
+public class ConfigurableWeapon(WeaponDef def, WeaponState state) : Weapon
+{
+    public override int FireThreshold => state.FireThreshold;
+
+    public override void Fire(Sprite owner, SpriteUpdateContext context)
+    {
+        if (owner is not Player player) return;
+
+        foreach (var shot in def.Pattern.Shots)
+        {
+            // muzzle local -> world
+            var muzzleLocal = player.GetMuzzleLocal(shot.Muzzle); // make a fast lookup
+            var muzzleWorld = MuzzleMath.GetMuzzleWorld(player, muzzleLocal);
+
+            // speed upgrade
+            float vx = shot.Velocity.X * state.SpeedMultiplier;
+            float vy = shot.Velocity.Y * state.SpeedMultiplier;
+
+            // center bullet on muzzle + pattern offset
+            var pos = MuzzleMath.CenterBulletOn(muzzleWorld, def.Bullet.Width, def.Bullet.Height) + shot.Offset;
+
+            var bullet = def.Bullet.Create(pos.X, pos.Y, vx, vy, owner);
+
+            // optional: apply damage bonus generically
+            //bullet.Damage += state.DamageBonus;
+
+            context.SpawnSprite(bullet);
+        }
+
+        context.AudioManager.PlayPlayerFire(); // or use _def.FireSfxKey -> audio routing
+    }
+}

AlientAttack.MonoGame/Things/Weapons/FireBulletContext.cs

@@ -5,7 +5,7 @@ using System;
 
 namespace AlienAttack.MonoGame.Things.Weapons;
 
-internal record FireBulletContext
+public record FireBulletContext
 {
     public Sprite Owner { get; init; }
     public SpriteUpdateContext SpriteUpdateContext { get; init; }
@@ -24,7 +24,7 @@ public record Shot
     public float YVelocity { get; init; }
 }
 
-internal record FireBulletFromMuzzleContext
+public record FireBulletFromMuzzleContext
 {
     public Sprite Owner { get; init; }
     public SpriteUpdateContext SpriteUpdateContext { get; init; }

AlientAttack.MonoGame/Things/Weapons/Minigun.cs

@@ -3,7 +3,7 @@ using AlienAttack.MonoGame.Things.Muzzles;
 
 namespace AlienAttack.MonoGame.Things.Weapons;
 
-internal class Minigun : Weapon
+public class Minigun : Weapon
 {
     public override int FireThreshold => 15;
 
@@ -26,7 +26,7 @@ internal class Minigun : Weapon
     }
 }
 
-internal abstract class MinigunSingle : Weapon
+public abstract class MinigunSingle : Weapon
 {
     public override void Fire(Sprite owner, SpriteUpdateContext context)
     {
@@ -50,23 +50,23 @@ internal abstract class MinigunSingle : Weapon
     }
 }
 
-internal class MinigunSingleSlow : MinigunSingle
+public class MinigunSingleSlow : MinigunSingle
 {
     public override int FireThreshold => 20;
 }
 
-internal class MinigunSingleAverage : MinigunSingle
+public class MinigunSingleAverage : MinigunSingle
 {
     public override int FireThreshold => 15;
 }
 
 
-internal class MinigunSingleFast : MinigunSingle
+public class MinigunSingleFast : MinigunSingle
 {
     public override int FireThreshold => 10;
 }
 
-internal abstract class MinigunDouble : Weapon
+public abstract class MinigunDouble : Weapon
 {
     public override void Fire(Sprite owner, SpriteUpdateContext context)
     {
@@ -91,23 +91,22 @@ internal abstract class MinigunDouble : Weapon
     }
 }
 
-internal class MinigunDoubleSlow : MinigunDouble
+public class MinigunDoubleSlow : MinigunDouble
 {
     public override int FireThreshold => 30;
 }
 
-internal class MinigunDoubleAverage : MinigunDouble
+public class MinigunDoubleAverage : MinigunDouble
 {
     public override int FireThreshold => 20;
 }
 
-
-internal class MinigunDoubleFast : MinigunDouble
+public class MinigunDoubleFast : MinigunDouble
 {
     public override int FireThreshold => 15;
 }
 
-internal abstract class MinigunTriple : Weapon
+public abstract class MinigunTriple : Weapon
 {
     public override void Fire(Sprite owner, SpriteUpdateContext context)
     {
@@ -133,23 +132,22 @@ internal abstract class MinigunTriple : Weapon
     }
 }
 
-internal class MinigunTripleSlow : MinigunTriple
+public class MinigunTripleSlow : MinigunTriple
 {
     public override int FireThreshold => 30;
 }
 
-internal class MinigunTripleAverage : MinigunTriple
+public class MinigunTripleAverage : MinigunTriple
 {
     public override int FireThreshold => 20;
 }
 
-
-internal class MinigunTripleFast : MinigunTriple
+public class MinigunTripleFast : MinigunTriple
 {
     public override int FireThreshold => 15;
 }
 
-internal abstract class MinigunTripleSpread : Weapon
+public abstract class MinigunTripleSpread : Weapon
 {
     public override void Fire(Sprite owner, SpriteUpdateContext context)
     {
@@ -175,18 +173,18 @@ internal abstract class MinigunTripleSpread : Weapon
     }
 }
 
-internal class MinigunTripleSpreadSlow : MinigunTripleSpread
+public class MinigunTripleSpreadSlow : MinigunTripleSpread
 {
     public override int FireThreshold => 30;
 }
 
-internal class MinigunTripleSpreadAverage : MinigunTripleSpread
+public class MinigunTripleSpreadAverage : MinigunTripleSpread
 {
     public override int FireThreshold => 20;
 }
 
 
-internal class MinigunTripleSpreadFast : MinigunTripleSpread
+public class MinigunTripleSpreadFast : MinigunTripleSpread
 {
     public override int FireThreshold => 15;
 }

AlientAttack.MonoGame/Things/Weapons/Shot.cs

@@ -0,0 +1,6 @@
+using AlienAttack.MonoGame.Things.Muzzles;
+using Microsoft.Xna.Framework;
+
+namespace AlienAttack.MonoGame.Things.Weapons;
+
+public readonly record struct Shot2(MuzzleId Muzzle, Vector2 Velocity, Vector2 Offset);

AlientAttack.MonoGame/Things/Weapons/ShotPattern.cs

@@ -0,0 +1,6 @@
+namespace AlienAttack.MonoGame.Things.Weapons;
+
+public sealed class ShotPattern
+{
+    public required Shot2[] Shots { get; init; }
+}

AlientAttack.MonoGame/Things/Weapons/ShotPatterns.cs

@@ -0,0 +1,43 @@
+using AlienAttack.MonoGame.Things.Muzzles;
+using Microsoft.Xna.Framework;
+
+namespace AlienAttack.MonoGame.Things.Weapons;
+
+public static class ShotPatterns
+{
+    public static readonly ShotPattern Single = new()
+    {
+        Shots =
+        [
+            new Shot2(MuzzleId.Center, new Vector2(0, -6), new Vector2(4, 0))
+        ]
+    };
+
+    public static readonly ShotPattern Double = new()
+    {
+        Shots =
+        [
+            new Shot2(MuzzleId.Left, new Vector2(0, -6), new Vector2(4, 0)),
+            new Shot2(MuzzleId.Right, new Vector2(0, -6), new Vector2(4, 0))
+        ]
+    };
+
+    public static readonly ShotPattern DoubleSpread = new()
+    {
+        Shots =
+        [
+            new Shot2(MuzzleId.Left, new Vector2(-1, -6), new Vector2(4, 0)),
+            new Shot2(MuzzleId.Right, new Vector2(1, -6), new Vector2(4, 0))
+        ]
+    };
+
+    public static readonly ShotPattern TripleSpread = new()
+    {
+        Shots =
+        [
+            new Shot2(MuzzleId.Left, new Vector2(-1, -6), new Vector2(4, 0)),
+            new Shot2(MuzzleId.Center, new Vector2(0, -6), new Vector2(4, 0)),
+            new Shot2(MuzzleId.Right, new Vector2(1, -6), new Vector2(4, 0))
+        ]
+    };
+}

AlientAttack.MonoGame/Things/Weapons/Weapon.cs

@@ -1,12 +1,11 @@
 using AlienAttack.MonoGame.Things.Bullets;
 using AlienAttack.MonoGame.Things.Muzzles;
 using Microsoft.Xna.Framework;
-using System;
 using System.Linq;
 
 namespace AlienAttack.MonoGame.Things.Weapons;
 
-internal abstract class Weapon : IWeapon
+public abstract class Weapon : IWeapon
 {
     public abstract int FireThreshold { get; }
     public int CurrentFireThreshold { get; private set; }

AlientAttack.MonoGame/Things/Weapons/WeaponDef.cs

@@ -0,0 +1,11 @@
+using AlienAttack.MonoGame.Things.Bullets;
+
+namespace AlienAttack.MonoGame.Things.Weapons;
+
+public sealed class WeaponDef
+{
+    public required string Name { get; init; }
+    public required ShotPattern Pattern { get; init; }
+    public required BulletDef Bullet { get; init; }
+    public required string FireSfxKey { get; init; } = "player_fire";
+}

AlientAttack.MonoGame/Things/Weapons/WeaponState.cs

@@ -0,0 +1,8 @@
+namespace AlienAttack.MonoGame.Things.Weapons;
+
+public sealed class WeaponState
+{
+    public int FireThreshold { get; set; }
+    public float SpeedMultiplier { get; set; } = 1f;
+    public int DamageBonus { get; set; } = 0;
+}