create proprietary directory (#2112)

## Description:

Assets in the proprietary directory are copyrighted by OpenFront.

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced

## Please put your Discord username so you can be contacted if a bug or
regression is found:

evan

LICENSE-ASSETS

@@ -1,6 +1,8 @@
-# Asset License - Creative Commons BY-SA 4.0
+# Asset License
 
-This license applies to all non-code assets in this repository, including but not limited to:
+## Open Assets (/resources) - Creative Commons BY-SA 4.0
+
+Assets in the `/resources` directory are licensed under Creative Commons BY-SA 4.0, including but not limited to:
 - Graphics, sprites, and images (*.png, *.jpg, *.svg, etc.)
 - 3D models and textures (*.obj, *.fbx, *.blend, etc.)
 - Audio files (*.mp3, *.ogg, *.wav, etc.)
@@ -8,12 +10,37 @@ This license applies to all non-code assets in this repository, including but no
 - Font files
 - Level/map data files
 
-This license does NOT apply to:
-- Source code files (*.js, *.ts, *.py, etc.) - see LICENSE for code licensing
-- Configuration files that contain code
-- Scripts and shaders
-
-Attribution required: "OpenFront.io" or "OpenFront LLC"
+Attribution required: "OpenFront" or "OpenFront LLC"
 
 To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/4.0/
 or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
+
+## Proprietary Assets (/proprietary) - All Rights Reserved
+
+Assets in the `/proprietary` directory are:
+- Copyright © 2024-2025 OpenFront LLC and Contributors
+- All Rights Reserved
+- NOT licensed for use, modification, or redistribution outside of OpenFront
+- May only be used as part of the complete OpenFront software package
+
+See `/proprietary/LICENSE` for full terms.
+
+## External/Proprietary Assets (Not in Repository)
+
+The following assets are NOT included in this repository and are NOT covered by any open source license:
+- Assets hosted on our CDN/servers
+- Assets stored in our database
+- Premium skins, models, and textures accessed via API
+- Sound effects and music accessed via API
+- Any assets not explicitly included in this repository
+
+These external assets are proprietary property of OpenFront LLC.
+
+## Important Legal Notice
+
+- The CC BY-SA 4.0 license applies ONLY to assets in the `/resources` directory
+- Assets in `/proprietary` are restricted use - see their specific LICENSE
+- External assets not in this repository remain fully proprietary
+- Accessing, downloading, extracting, or using proprietary assets without permission is prohibited
+
+For source code licensing, see LICENSE and LICENSING.md files.

LICENSING.md

@@ -39,6 +39,22 @@ This document provides comprehensive licensing information for the OpenFront.io
   - Added Creative Commons BY-SA 4.0 for all assets
   - All new code is AGPL v3.0 only
 
+### Phase 4: Mixed Asset Licensing
+
+- **Starting After:** c2cf2ce65f74ac91859f68a84aec89aeda5722ee
+- **Date:** September 28, 2025
+- **Licenses:**
+  - **Code:** AGPL v3.0 (unchanged from Phase 3)
+  - **Open Assets (/resources):** Creative Commons BY-SA 4.0 (unchanged from Phase 3)
+  - **Proprietary Assets (/proprietary):** All Rights Reserved
+- **Copyright Holders:** OpenFront LLC and Contributors
+- **Changes:**
+  - Added `/proprietary` directory for copyrighted assets
+  - Established dual-track asset licensing structure
+  - Open assets in `/resources` remain CC BY-SA 4.0
+  - Proprietary assets override open assets during build process
+  - Contributors retain copyright while granting usage rights to OpenFront LLC
+
 ## Important Notes
 
 ### For Code:
@@ -69,6 +85,7 @@ All assets included in this repository (graphics, sounds, music, models) are lic
 - Premium skins, models, and textures
 - Sound effects and music accessed via API
 - Any assets not explicitly included in this repository
+- Any asset in the proprietary/ folder
 
 These external assets are:
 

proprietary/LICENSE

@@ -0,0 +1,43 @@
+Copyright (c) 2025 OpenFront LLC and Contributors
+All Rights Reserved.
+
+PROPRIETARY ASSET LICENSE
+
+The assets in this directory are proprietary and protected by copyright.
+Copyright holders retain their individual copyrights.
+
+PERMITTED USE:
+- You may use these assets for development, testing, and contribution purposes to OpenFront
+- You may use these assets solely as part of the complete OpenFront software package
+- You may view and study these assets for personal educational purposes
+- You may run, compile, and test the software containing these assets
+
+RESTRICTIONS:
+You may NOT:
+- Extract, copy, or use these assets in any other project or work
+- Modify, alter, or create derivative works of these assets for redistribution
+- Redistribute, sublicense, sell, or transfer these assets separately from OpenFront
+- Use these assets for any commercial purpose outside of running OpenFront
+- Remove or alter any copyright notices or this license
+
+CONTRIBUTIONS:
+By contributing assets to this directory, you:
+- Retain copyright to your original work
+- Grant OpenFront LLC a perpetual, worldwide, non-exclusive, royalty-free license to use,
+  modify, and distribute your contributions as part of OpenFront
+- Agree that your contributions will be distributed under this restrictive license
+- Warrant that you have the right to grant these permissions
+
+ATTRIBUTION:
+Individual asset copyrights are held by their respective creators.
+See CONTRIBUTORS.md for attribution details.
+
+NO WARRANTY:
+THE ASSETS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE ASSETS OR THE USE OR OTHER DEALINGS IN THE ASSETS.
+
+For questions regarding licensing or commercial use, contact: legal@openfront.io

resources/LICENSE

@@ -1,4 +1,4 @@
-This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.
+This work in this directory is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.
 
 To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/4.0/
 or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.

tsconfig.json

@@ -26,6 +26,7 @@
   "include": [
     "src/**/*",
     "resources/**/*",
+    "proprietary/**/*",
     "generated/**/*",
     "tests/**/*",
     "src/scripts"

webpack.config.js

@@ -138,6 +138,11 @@ export default async (env, argv) => {
             to: path.resolve(__dirname, "static"),
             noErrorOnMissing: true,
           },
+          {
+            from: path.resolve(__dirname, "proprietary"),
+            to: path.resolve(__dirname, "static"),
+            noErrorOnMissing: true,
+          },
         ],
         options: { concurrency: 100 },
       }),