miuu-custom-cosmetic-loader/Patches/MarbleControllerPatches.cs

using HarmonyLib;

namespace CustomCosmeticLoader.Patches
{
	/*
	 * Hijack the cosmetic of the marble in single player, then apply the custom skin texture.
	 */
	[HarmonyPatch(typeof(MarbleController), nameof(MarbleController.ApplyMyCosmetics))]
	internal class MarbleControllerApplyMyCosmeticsPatch
	{
		[HarmonyPostfix]
		static void Postfix(MarbleController __instance)
		{
			if (!Config.enabled)
				return;

			if (Config.skinNameToHijack == "*")
				return;

			// Shouldn't happen I don't think but we do this elsewhere in mp
			if (NetworkManager.IsMultiplayer)
				return;

			MarbleHolder mHolder = __instance.MHolder;
			string actualSkinId = mHolder.CosmeticSet.skin;
			mHolder.SetMarble(Shared.SkinToHijack);
			Shared.ApplyCustomTexture(mHolder.currentMarble);
			// Setting the skin id here allows others in multiplayer/replays to see your normal skin
			mHolder.CosmeticSet.skin = actualSkinId;
		}
	}
}