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Added basic turret logic.

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This commit is contained in:
Brian Bicknell
2026-01-06 22:22:03 -05:00
parent f44d9ae48c
commit fcb4f1cf05
7 changed files with 153 additions and 6 deletions
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12
AlientAttack.MonoGame/Content/Content.mgcb
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@@ -1997,7 +1997,7 @@
/processorParam:ResizeToPowerOfTwo=False
/processorParam:MakeSquare=False
/processorParam:TextureFormat=Color
/build:Sprites/GunTurret_ExampleGun_png_processed.png
/build:Sprites/GunTurret_ExampleGun_png_processed.png;Sprites/GunTurret_ExampleGun.png
#begin Sprites/GunTurret_Green_png_processed.png
/importer:TextureImporter
@@ -2009,7 +2009,7 @@
/processorParam:ResizeToPowerOfTwo=False
/processorParam:MakeSquare=False
/processorParam:TextureFormat=Color
/build:Sprites/GunTurret_Green_png_processed.png
/build:Sprites/GunTurret_Green_png_processed.png;Sprites/GunTurret_Green.png
#begin Sprites/GunTurret_Orange_png_processed.png
/importer:TextureImporter
@@ -2021,7 +2021,7 @@
/processorParam:ResizeToPowerOfTwo=False
/processorParam:MakeSquare=False
/processorParam:TextureFormat=Color
/build:Sprites/GunTurret_Orange_png_processed.png
/build:Sprites/GunTurret_Orange_png_processed.png;Sprites/GunTurret_Orange.png
#begin Sprites/GunTurret_Red_png_processed.png
/importer:TextureImporter
@@ -2033,7 +2033,7 @@
/processorParam:ResizeToPowerOfTwo=False
/processorParam:MakeSquare=False
/processorParam:TextureFormat=Color
/build:Sprites/GunTurret_Red_png_processed.png
/build:Sprites/GunTurret_Red_png_processed.png;Sprites/GunTurret_Red.png
#begin Sprites/GunTurret_Teal_png_processed.png
/importer:TextureImporter
@@ -2045,7 +2045,7 @@
/processorParam:ResizeToPowerOfTwo=False
/processorParam:MakeSquare=False
/processorParam:TextureFormat=Color
/build:Sprites/GunTurret_Teal_png_processed.png
/build:Sprites/GunTurret_Teal_png_processed.png;Sprites/GunTurret_Teal.png
#begin Sprites/GunTurretMount_png_processed.png
/importer:TextureImporter
@@ -2057,7 +2057,7 @@
/processorParam:ResizeToPowerOfTwo=False
/processorParam:MakeSquare=False
/processorParam:TextureFormat=Color
/build:Sprites/GunTurretMount_png_processed.png
/build:Sprites/GunTurretMount_png_processed.png;Sprites/GunTurretMount.png
#begin Sprites/Laser_Large_png_processed.png
/importer:TextureImporter

25
AlientAttack.MonoGame/GameLoops/GameLoop.cs
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@@ -1,6 +1,7 @@
using AlienAttack.MonoGame.Things;
using AlienAttack.MonoGame.Things.Enemies;
using AlienAttack.MonoGame.Things.Enemies.Mines;
using AlienAttack.MonoGame.Things.Enemies.Turrets;
using AlienAttack.MonoGame.Things.Stars;
using AlienAttack.MonoGame.View;
using Microsoft.Xna.Framework;
@@ -381,6 +382,30 @@ internal class GameLoop : GameLoopBase
Sprites.Add(enemy);
_spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
}
else if (randomNumber == 9)
{
GreenTurret enemy = new(_random.Next(0, ViewTransform.ScreenWidth - Turret.MountWidth), -Turret.MountHeight);
Sprites.Add(enemy);
_spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
}
else if (randomNumber == 10)
{
RedTurret enemy = new(_random.Next(0, ViewTransform.ScreenWidth - Turret.MountWidth), -Turret.MountHeight);
Sprites.Add(enemy);
_spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
}
else if (randomNumber == 11)
{
OrangeTurret enemy = new(_random.Next(0, ViewTransform.ScreenWidth - Turret.MountWidth), -Turret.MountHeight);
Sprites.Add(enemy);
_spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
}
else if (randomNumber == 12)
{
TealTurret enemy = new(_random.Next(0, ViewTransform.ScreenWidth - Turret.MountWidth), -Turret.MountHeight);
Sprites.Add(enemy);
_spawnNewEnemyThreshold = 100 + _random.Next(0, 100);
}
}
}
}

6
AlientAttack.MonoGame/Things/Enemies/Turrets/GreenTurret.cs Normal file
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@@ -0,0 +1,6 @@
namespace AlienAttack.MonoGame.Things.Enemies.Turrets;
public class GreenTurret(int x, int y) : Turret(x, y)
{
protected override string TurretColor => "Green";
}

6
AlientAttack.MonoGame/Things/Enemies/Turrets/OrangeTurret.cs Normal file
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@@ -0,0 +1,6 @@
namespace AlienAttack.MonoGame.Things.Enemies.Turrets;
public class OrangeTurret(int x, int y) : Turret(x, y)
{
protected override string TurretColor => "Orange";
}

6
AlientAttack.MonoGame/Things/Enemies/Turrets/RedTurret.cs Normal file
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@@ -0,0 +1,6 @@
namespace AlienAttack.MonoGame.Things.Enemies.Turrets;
public class RedTurret(int x, int y) : Turret(x, y)
{
protected override string TurretColor => "Red";
}

6
AlientAttack.MonoGame/Things/Enemies/Turrets/TealTurret.cs Normal file
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@@ -0,0 +1,6 @@
namespace AlienAttack.MonoGame.Things.Enemies.Turrets;
public class TealTurret(int x, int y) : Turret(x, y)
{
protected override string TurretColor => "Teal";
}

98
AlientAttack.MonoGame/Things/Enemies/Turrets/Turret.cs Normal file
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@@ -0,0 +1,98 @@
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
namespace AlienAttack.MonoGame.Things.Enemies.Turrets;
public abstract class Turret : MoveableSprite
{
public const int MountWidth = 63;
public const int MountHeight = 63;
public const int TurretWidth = 38;
public const int TurretHeight = 33;
public const int GunWidth = 8;
public const int GunHeight = 38;
protected float Rotation = 0;
protected Vector2 MountOrigin = new(MountWidth / 2, MountHeight /2);
protected Vector2 TurretOrigin = new(TurretWidth / 2, TurretHeight / 2);
protected Vector2 GunOrigin = new(GunWidth / 2, GunHeight / 2);
protected abstract string TurretColor { get; }
public Turret(int x, int y) : base(x, y)
{
BoundBox = new(10, 10, 44, 44); // TODO
YVelocity = 1;
XVelocity = 0;
}
public override void Draw(SpriteDrawArgs args)
{
DrawMount(args);
DrawTurret(args);
DrawGun(args);
//DrawCollisionBox(args);
}
private void DrawMount(SpriteDrawArgs args)
{
Texture2D texture = args.Content.Load<Texture2D>("Sprites/GunTurretMount");
args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, MountOrigin, 1f, SpriteEffects.None, 1);
}
private void DrawTurret(SpriteDrawArgs args)
{
Texture2D texture = args.Content.Load<Texture2D>($"Sprites/GunTurret_{TurretColor}");
args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, TurretOrigin, 1f, SpriteEffects.None, 1);
}
private void DrawGun(SpriteDrawArgs args)
{
Texture2D texture = args.Content.Load<Texture2D>("Sprites/GunTurret_ExampleGun");
args.SpriteBatch.Draw(texture, Position, null, DrawColor, Rotation, GunOrigin, 1f, SpriteEffects.None, 1);
}
private void DrawCollisionBox(SpriteDrawArgs args)
{
//var pixel = DebugPixel; // static cached
Texture2D pixel = new Texture2D(args.SpriteBatch.GraphicsDevice, 1, 1);
pixel.SetData(new[] { Color.White });
//Rectangle r = GetWorldCollisionBox();
Color c = Color.LimeGreen; // debug color
// Top
args.SpriteBatch.Draw(pixel, new Rectangle(CollisionBox.X, CollisionBox.Y, CollisionBox.Width, 1), c);
// Bottom
args.SpriteBatch.Draw(pixel, new Rectangle(CollisionBox.X, CollisionBox.Bottom - 1, CollisionBox.Width, 1), c);
// Left
args.SpriteBatch.Draw(pixel, new Rectangle(CollisionBox.X, CollisionBox.Y, 1, CollisionBox.Height), c);
// Right
args.SpriteBatch.Draw(pixel, new Rectangle(CollisionBox.Right - 1, CollisionBox.Y, 1, CollisionBox.Height), c);
}
public override sealed void Update(SpriteUpdateContext context)
{
base.Update(context);
CollisionBox = new Rectangle((int)XPosition + BoundBox.X - (int)MountOrigin.X, (int)YPosition + BoundBox.Y - (int)MountOrigin.Y, BoundBox.Width, BoundBox.Height);
if (YPosition - MountOrigin.Y > context.ViewTransform.ScreenHeight)
{
IsDead = true;
return;
}
Rotation += 0.01f;
if (Rotation > 360f)
{
Rotation = 0;
}
}
}