ARRP uses a mixin to register a custom implementation of ResourcePack which acts as an artificial file system. the resource pack stores these assets and when Minecraft asks for them, we give it to them, this way ARRPs are always compatible with resource packs and other mods can override your textures. ARRP is registered as the 2nd to last resource pack in the list, just above vanilla, which means you can override vanilla assets, but not modded ones.
This mod is originally by HalfOf2 but I ported it to forge so me and possibly other forge modders could make usage of this.
Note to modders: use the dev jarr or else it will crash in dev
Wiki: https://github.com/Devan-Kerman/RRP/wiki/Adding-Resources in progress
