Terraria World Difficulty Modifier 🌍

A simple, safe, and powerful Python utility to manage your Terraria World Difficulty on Linux. Switch between Classic, Expert, and Master modes instantly with a single click.

✨ Features

• Automatic World Detection: Scans your ~/.local/share/Terraria/Worlds/ directory.
• Safe Mode: Verifies file integrity before writing any changes. Prevents corruption by checking for valid world headers.
• Instant Difficulty Switch: Change between Classic, Expert, and Master modes seamlessly.
• One-Click Backup: Creates immediate backups of your worlds directly to your Desktop.
• Error Handling: Robust error catching to ensure your save files remain safe.

🚀 Installation & Usage

Prerequisites

• Python 3.x
• Tkinter (sudo dnf install python3-tkinter on Fedora)

Quick Start

1. Clone this repository:

   git clone https://github.com/jjjulianleon/TerrariaDifficultyModifier.git
   cd TerrariaDifficultyModifier

2. Run the application:

   python3 terraria_modifier.py

Optional: Create a global command (ctdf)

To run this tool from anywhere by typing ctdf:

1. Make the script executable:

   chmod +x terraria_modifier.py

2. Add an alias to your .bashrc or .zshrc:

   alias ctdf="python3 /path/to/TerrariaDifficultyModifier/terraria_modifier.py"

⚠️ Safety Notice

This tool modifies binary data in your .wld files. While it includes safety checks and automatic backups, always ensure you have a separate backup of your important worlds before using any third-party tool.

🛠️ Technical Details

• Language: Python 3 + Tkinter
• Target OS: Linux (Tested on Fedora 41)
• Terraria Version: Compatible with Terraria 1.4.4+ file structure.

License

MIT License - feel free to modify and share!