If you have a hacked Switch running custom firmware, you can use LayeredFS to add mods. The game has the full mod manager from PC and even has warnings telling you to try disabling mods if you screw something up. To port a mod over that has custom textures, models, animations, or sounds, they do need to have their resources packed, just like when porting mods to the MacOS version.
Instructions will assume you're using Atmosphere custom firmware. It doesn't matter if you use the eShop or game cart version. Using CFW does risk being banned from future eShop use by Nintendo, so be warned.
On your SD card, make the folder: atmosphere/titles/010044500C182000/romfs/DLC/
You will be placing mods in here. The game will recognize them as mods, not DLC. Their dependencies will be recognized as well, and you even get their descriptions and information. Now just move mods to that folder like you would into your Mods folder on PC. Placing them in /DLC on Switch just makes them load without trouble, unlike placing them in /Mods. Obviously, you do need to load custom firmware for these files to be read at all. Atmosphere has LayeredFS on by default.
To port mods:
If the mod contains only scripts (LUA) or database transactions (XML and SQL), you are done. No edits needed. If the mods contains other assets and they are packed into BLP files, look in the platforms folder. Rename either the windows or macOS folder to NX64 and feel free to delete the other. If the assets have not been packed, you will need to load the mod with the SDK and pack it.
I can confirm that when packed, custom textures, models, animations, and unit noises all work on the Switch version. I can't yet confirm if custom voices work for those amazing mods that include voiced leaders (although I can confirm those leaders' animations do work).
What's crazy is that the menus are resized for the Switch and include buttons. They clearly spent time adding mod support for the game and then just didn't allow you to actually install mods.
Instructions will assume you're using Atmosphere custom firmware. It doesn't matter if you use the eShop or game cart version. Using CFW does risk being banned from future eShop use by Nintendo, so be warned.
On your SD card, make the folder: atmosphere/titles/010044500C182000/romfs/DLC/
You will be placing mods in here. The game will recognize them as mods, not DLC. Their dependencies will be recognized as well, and you even get their descriptions and information. Now just move mods to that folder like you would into your Mods folder on PC. Placing them in /DLC on Switch just makes them load without trouble, unlike placing them in /Mods. Obviously, you do need to load custom firmware for these files to be read at all. Atmosphere has LayeredFS on by default.
To port mods:
If the mod contains only scripts (LUA) or database transactions (XML and SQL), you are done. No edits needed. If the mods contains other assets and they are packed into BLP files, look in the platforms folder. Rename either the windows or macOS folder to NX64 and feel free to delete the other. If the assets have not been packed, you will need to load the mod with the SDK and pack it.
I can confirm that when packed, custom textures, models, animations, and unit noises all work on the Switch version. I can't yet confirm if custom voices work for those amazing mods that include voiced leaders (although I can confirm those leaders' animations do work).
What's crazy is that the menus are resized for the Switch and include buttons. They clearly spent time adding mod support for the game and then just didn't allow you to actually install mods.
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