I would like to know how can i change on the mooshrooms' back the red mushroom to the brown mushroom in resource pack? I mean i want to stay the red mushroom on the red mooshrooms' back, i want make a resource pack texture variant, which have the brown mushroom on her back. I can make resource packs, but i don't know how i change the mushroom on the mooshrooms' back for another texture mooshroom variant. I mean the texture variants in resourcepack, which is working fine with OptiFine and/or with MCPatcher and i know about the ".properties" files too, because i tested another animal as biome specific variant. I want it for Minecraft 1.11.2 and for 1.12.2. Please somebody help me in that, i really want to know it! Thank you.
I am waiting for somebody will seriously help in that and will write me down here how i do it!
Since i found another solution for it. I made an own resource pack, where the little mushrooms got different color, which ones suit well to the brown mooshroom too. So the little mushrooms' small ages have different color and when they grow up, then we will see is that a brown, or a red mushroom.