Commit of decompiled and "updated" code.

Projectiles/Arrows/PiercingArrow.cs

@@ -0,0 +1,29 @@
+using Terraria;
+using Terraria.Audio;
+using Terraria.ID;
+using Terraria.ModLoader;
+
+namespace FabusMod.Projectiles.Arrows;
+
+public class PiercingArrow : ModProjectile
+{
+	public override void SetDefaults()
+	{
+		Projectile.width = 14;
+		Projectile.height = 40;
+		Projectile.friendly = true;
+		Projectile.tileCollide = true;
+		Projectile.ignoreWater = false;
+		
+		Projectile.timeLeft = 1000;
+		Projectile.light = 1f;
+		Projectile.penetrate = -1;
+        AIType = 1;
+		Projectile.aiStyle = 1;
+	}
+
+	public override void Kill(int timeLeft)
+	{
+		SoundEngine.PlaySound(SoundID.Dig, Projectile.position);
+	}
+}