more stuff

scripts/components/HealthComponent.cs

@@ -0,0 +1,60 @@
+using System.Threading.Tasks;
+using Godot;
+
+namespace NodeWar.scripts.components;
+
+public partial class HealthComponent : ProgressBar
+{
+	[Export]
+	public Sprite2D Gfx { get; set; }
+
+	[Export]
+	public float Health { get; set; } = 100;
+
+	[Export]
+	public float MaxHealth { get; set; } = 100;
+
+	[Signal]
+	public delegate float HealthChangedEventHandler(float oldHealth, float newHealth);
+
+	public void TakeDamage(float damage)
+	{
+		Health -= damage;
+		EmitSignal(SignalName.HealthChanged, Health + damage, Health);
+
+		if (Health <= 0)
+		{
+			Die();
+			return;
+		}
+
+		if (Gfx != null)
+		{
+			var originalColor = Gfx.Modulate;
+
+			Gfx.Modulate = new Color(10, 10, 10);
+
+			GetTree().CreateTimer(0.1f).Timeout += () =>
+			{
+				Gfx.Modulate = originalColor;
+			};
+		}
+	}
+
+	public void Die()
+	{
+		GD.Print("I am dying!");
+		GetParent().QueueFree();
+	}
+
+	public override void _Ready()
+	{
+		Value = Health;
+		MaxValue = MaxHealth;
+	}
+
+	public override void _Process(double delta)
+	{
+		Value = Health;
+	}
+}