Commit of decompiled and "updated" code.

Projectiles/Shortsword/CarbonKnife.cs

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+using Microsoft.Xna.Framework;
+using Terraria;
+using Terraria.Audio;
+using Terraria.ModLoader;
+using Terraria.ID;
+
+namespace FabusMod.Projectiles.Shortsword;
+
+public class CarbonKnife : ModProjectile
+{
+	private const float maxTicks = 70f;
+
+	private const int alphaReducation = 25;
+
+	public override void SetStaticDefaults()
+	{
+		DisplayName.SetDefault("Carbon Knife");
+	}
+
+	public override void SetDefaults()
+	{
+		Projectile.CloneDefaults(304);
+        AIType = 304;
+		Projectile.width = 14;
+		Projectile.height = 30;
+		Projectile.aiStyle = 2;
+		Projectile.friendly = true;
+		Projectile.penetrate = 1;
+	}
+
+	public override bool? Colliding(Rectangle projHitbox, Rectangle targetHitbox)
+	{
+		if (targetHitbox.Width > 8 && targetHitbox.Height > 8)
+		{
+			targetHitbox.Inflate(-targetHitbox.Width / 8, -targetHitbox.Height / 8);
+		}
+		return projHitbox.Intersects(targetHitbox);
+	}
+
+	public override void Kill(int timeLeft)
+	{
+		SoundEngine.PlaySound(SoundID.Dig, Projectile.position);
+		Vector2 position = Projectile.position;
+		Vector2 rotVector = Utils.ToRotationVector2(Projectile.rotation - MathHelper.ToRadians(90f));
+		_ = position + rotVector * 16f;
+		int item = 0;
+		if (Main.netMode == NetmodeID.MultiplayerClient && item >= 0)
+		{
+			NetMessage.SendData(MessageID.KillProjectile, -1, -1, null, 0, 0f, 0f, 0f, 0, 0, 0);
+		}
+	}
+}

Projectiles/Shortsword/CarbonKnifeNihon.cs

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+using Microsoft.Xna.Framework;
+using Terraria;
+using Terraria.Audio;
+using Terraria.ModLoader;
+using Terraria.ID;
+
+namespace FabusMod.Projectiles.Shortsword;
+
+public class CarbonKnifeNihon : ModProjectile
+{
+	private const float maxTicks = 70f;
+
+	private const int alphaReducation = 25;
+
+	public override void SetStaticDefaults()
+	{
+		DisplayName.SetDefault("Carbon Knife - Nihon");
+	}
+
+	public override void SetDefaults()
+	{
+		Projectile.CloneDefaults(304);
+        AIType = 304;
+		Projectile.width = 14;
+		Projectile.height = 30;
+		Projectile.aiStyle = 2;
+		Projectile.friendly = true;
+		Projectile.penetrate = 1;
+	}
+
+	public override bool? Colliding(Rectangle projHitbox, Rectangle targetHitbox)
+	{
+		if (targetHitbox.Width > 8 && targetHitbox.Height > 8)
+		{
+			targetHitbox.Inflate(-targetHitbox.Width / 8, -targetHitbox.Height / 8);
+		}
+		return projHitbox.Intersects(targetHitbox);
+	}
+
+	public override void Kill(int timeLeft)
+	{
+		SoundEngine.PlaySound(SoundID.Dig, Projectile.position);
+		Vector2 position = Projectile.position;
+		Vector2 rotVector = Utils.ToRotationVector2(Projectile.rotation - MathHelper.ToRadians(90f));
+		_ = position + rotVector * 16f;
+		int item = 0;
+		if (Main.netMode == NetmodeID.MultiplayerClient && item >= 0)
+		{
+			NetMessage.SendData(MessageID.KillProjectile, -1, -1, null, 0, 0f, 0f, 0f, 0, 0, 0);
+		}
+	}
+}

Projectiles/Shortsword/DeathBlossom.cs

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+using Microsoft.Xna.Framework;
+using Terraria;
+using Terraria.Audio;
+using Terraria.ModLoader;
+using Terraria.ID;
+
+namespace FabusMod.Projectiles.Shortsword;
+
+public class DeathBlossom : ModProjectile
+{
+	private const float maxTicks = 70f;
+
+	private const int alphaReducation = 25;
+
+	public override void SetStaticDefaults()
+	{
+		DisplayName.SetDefault("Death Blossom Knife");
+	}
+
+	public override void SetDefaults()
+	{
+		Projectile.CloneDefaults(304);
+        AIType = 304;
+		Projectile.width = 14;
+		Projectile.height = 30;
+		Projectile.aiStyle = 2;
+		Projectile.friendly = true;
+		Projectile.penetrate = 1;
+	}
+
+	public override bool? Colliding(Rectangle projHitbox, Rectangle targetHitbox)
+	{
+		if (targetHitbox.Width > 8 && targetHitbox.Height > 8)
+		{
+			targetHitbox.Inflate(-targetHitbox.Width / 8, -targetHitbox.Height / 8);
+		}
+		return projHitbox.Intersects(targetHitbox);
+	}
+
+	public override void Kill(int timeLeft)
+	{
+		SoundEngine.PlaySound(SoundID.Dig, Projectile.position);
+		Vector2 position = Projectile.position;
+		Vector2 rotVector = Utils.ToRotationVector2(Projectile.rotation - MathHelper.ToRadians(90f));
+		_ = position + rotVector * 16f;
+		int item = 0;
+		if (Main.netMode == NetmodeID.MultiplayerClient && item >= 0)
+		{
+			NetMessage.SendData(MessageID.KillProjectile, -1, -1, null, 0, 0f, 0f, 0f, 0, 0, 0);
+		}
+	}
+}

Projectiles/Shortsword/FumaShuriken.cs

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+using System;
+using Microsoft.Xna.Framework;
+using Terraria;
+using Terraria.ModLoader;
+
+namespace FabusMod.Projectiles.Shortsword;
+
+public class FumaShuriken : ModProjectile
+{
+	public override void SetStaticDefaults()
+	{
+		//Sets.Homing[Projectile.type] = true;
+	}
+
+	public override void SetDefaults()
+	{
+		Projectile.width = 32;
+		Projectile.height = 32;
+		Projectile.aiStyle = 2;
+		Projectile.friendly = true;
+		Projectile.penetrate = 1;
+		Projectile.ignoreWater = true;
+		Projectile.tileCollide = true;
+	}
+
+	public override void AI()
+	{
+		if (Projectile.localAI[0] == 0f)
+		{
+			AdjustMagnitude(ref Projectile.velocity);
+			Projectile.localAI[0] = 1f;
+		}
+		Vector2 move = Vector2.Zero;
+		float distance = 400f;
+		bool target = false;
+		for (int i = 0; i < 200; i++)
+		{
+			if (Main.npc[i].active && !Main.npc[i].dontTakeDamage && !Main.npc[i].friendly && Main.npc[i].lifeMax > 5)
+			{
+				Vector2 newMove = Main.npc[i].Center - Projectile.Center;
+				float distanceTo = (float)Math.Sqrt(newMove.X * newMove.X + newMove.Y * newMove.Y);
+				if (distanceTo < distance)
+				{
+					move = newMove;
+					distance = distanceTo;
+					target = true;
+				}
+			}
+		}
+		if (target)
+		{
+			AdjustMagnitude(ref move);
+			Projectile.velocity = (5f * Projectile.velocity + move) / 6f;
+			AdjustMagnitude(ref Projectile.velocity);
+		}
+		if (Main.rand.NextBool(3))
+		{
+			int num1 = Dust.NewDust(Projectile.position, Projectile.width, Projectile.height, ModContent.DustType<Dusts.RyuuDust>(), 0f, 0f, 0, default, 1f);
+			Dust obj = Main.dust[num1];
+			obj.velocity *= 0f;
+			Main.dust[num1].noGravity = true;
+		}
+	}
+
+	private void AdjustMagnitude(ref Vector2 vector)
+	{
+		float magnitude = (float)Math.Sqrt(vector.X * vector.X + vector.Y * vector.Y);
+		if (magnitude > 16f)
+		{
+			vector *= 16f / magnitude;
+		}
+	}
+}

Projectiles/Shortsword/GoldenKnife.cs

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+using Microsoft.Xna.Framework;
+using Terraria;
+using Terraria.Audio;
+using Terraria.ModLoader;
+using Terraria.ID;
+
+namespace FabusMod.Projectiles.Shortsword;
+
+public class GoldenKnife : ModProjectile
+{
+	private const float maxTicks = 70f;
+
+	private const int alphaReducation = 25;
+
+	public override void SetStaticDefaults()
+	{
+		DisplayName.SetDefault("Golden Knife");
+	}
+
+	public override void SetDefaults()
+	{
+		Projectile.CloneDefaults(304);
+        AIType = 304;
+		Projectile.width = 14;
+		Projectile.height = 30;
+		Projectile.aiStyle = 2;
+		Projectile.friendly = true;
+		Projectile.penetrate = 1;
+	}
+
+	public override bool? Colliding(Rectangle projHitbox, Rectangle targetHitbox)
+	{
+		if (targetHitbox.Width > 8 && targetHitbox.Height > 8)
+		{
+			targetHitbox.Inflate(-targetHitbox.Width / 8, -targetHitbox.Height / 8);
+		}
+		return projHitbox.Intersects(targetHitbox);
+	}
+
+	public override void Kill(int timeLeft)
+	{
+		SoundEngine.PlaySound(SoundID.Dig, Projectile.position);
+		Vector2 position = Projectile.position;
+		Vector2 rotVector = Utils.ToRotationVector2(Projectile.rotation - MathHelper.ToRadians(90f));
+		_ = position + rotVector * 16f;
+		int item = 0;
+		if (Main.netMode == NetmodeID.MultiplayerClient && item >= 0)
+		{
+			NetMessage.SendData(MessageID.KillProjectile, -1, -1, null, 0, 0f, 0f, 0f, 0, 0, 0);
+		}
+	}
+}

Projectiles/Shortsword/RainbowKnife.cs

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+using Microsoft.Xna.Framework;
+using Terraria;
+using Terraria.Audio;
+using Terraria.ModLoader;
+using Terraria.ID;
+
+namespace FabusMod.Projectiles.Shortsword;
+
+public class RainbowKnife : ModProjectile
+{
+	private const float maxTicks = 70f;
+
+	private const int alphaReducation = 25;
+
+	public override void SetStaticDefaults()
+	{
+		DisplayName.SetDefault("Rainbow Knife");
+	}
+
+	public override void SetDefaults()
+	{
+		Projectile.CloneDefaults(304);
+        AIType = 304;
+		Projectile.width = 14;
+		Projectile.height = 30;
+		Projectile.aiStyle = 2;
+		Projectile.friendly = true;
+		Projectile.penetrate = 1;
+	}
+
+	public override bool? Colliding(Rectangle projHitbox, Rectangle targetHitbox)
+	{
+		if (targetHitbox.Width > 8 && targetHitbox.Height > 8)
+		{
+			targetHitbox.Inflate(-targetHitbox.Width / 8, -targetHitbox.Height / 8);
+		}
+		return projHitbox.Intersects(targetHitbox);
+	}
+
+	public override void Kill(int timeLeft)
+	{
+		SoundEngine.PlaySound(SoundID.Dig, Projectile.position);
+		Vector2 position = Projectile.position;
+		Vector2 rotVector = Utils.ToRotationVector2(Projectile.rotation - MathHelper.ToRadians(90f));
+		_ = position + rotVector * 16f;
+		int item = 0;
+		if (Main.netMode == NetmodeID.MultiplayerClient && item >= 0)
+		{
+			NetMessage.SendData(MessageID.KillProjectile, -1, -1, null, 0, 0f, 0f, 0f, 0, 0, 0);
+		}
+	}
+}

Projectiles/Shortsword/Substitute.cs

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+using Terraria;
+using Terraria.ModLoader;
+
+namespace FabusMod.Projectiles.Shortsword;
+
+public class Substitute : ModProjectile
+{
+	public override void SetDefaults()
+	{
+		Projectile.width = 32;
+		Projectile.height = 32;
+		Projectile.friendly = true;
+	}
+}