# Project Catalyst License Agreement

This project is licensed under a multi-part licensing model. By accessing, using, or distributing any part of this project, you agree to be bound by the terms below.

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## Part 1: Source Code License (GNU GPLv3)

**Applicability:** All files located in `crates/`, `scripts/`, `Cargo.toml`, and any other source code files (excluding assets).

Copyright (c) 2026 Cryoforge Nexus

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the [GNU General Public License](https://www.gnu.org/licenses/gpl-3.0.txt) for more details.

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## Part 2: Game Assets License (CC-BY-NC-ND 4.0)

**Applicability:** All files located in the `assets/` directory (including but not limited to textures, models, sounds, icons, and shaders), unless otherwise noted.

The game assets are licensed under the **Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License**.

**Under this license, you are free to:**
*   **Share:** Copy and redistribute the material in any medium or format.

**Under the following terms:**
*   **Attribution (BY):** You must give appropriate credit, provide a link to the license, and indicate if changes were made.
*   **Non-Commercial (NC):** You may not use the material for commercial purposes.
*   **No-Derivatives (ND):** If you remix, transform, or build upon the material, you may not distribute the modified material.

To view a copy of this license, visit [http://creativecommons.org/licenses/by-nc-nd/4.0/](http://creativecommons.org/licenses/by-nc-nd/4.0/).

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## Part 3: Modding Policy

**Applicability:** Usage of Part 2 assets specifically for creating modifications ("mods") for Project Catalyst.

Cryoforge Nexus grants a limited, non-exclusive, non-transferable license to use the Game Assets (Part 2) specifically for the creation, distribution, and play of mods for Project Catalyst, provided that:

1.  **Non-Commerciality:** The mod itself must be free to download and play. You may not sell the mod or charge for access to it.
2.  **Platform Integration:** Mods are encouraged to be shared through the official Project Catalyst modding platform.
3.  **No Standalone Usage:** You may not use the Game Assets to create a standalone game or software product unrelated to Project Catalyst.
4.  **Credit:** You must credit Project Catalyst as the source of the assets.

This policy is intended to foster a vibrant modding community while protecting the core identity of the game.