static void UpdateColors(Apk apk, CustomColors colors, InvocationResult res)
{
SerializedAssets colorAssets = SerializedAssets.FromBytes(
apk.ReadEntireEntry(apk.ColorsFile()), apk.version);
// There should only be one color manager
var colorManager = colorAssets.FindScript <ColorManager>(cm => true);
colorManager.UpdateColor(colorAssets, colors.colorA, ColorManager.ColorSide.A);
colorManager.UpdateColor(colorAssets, colors.colorB, ColorManager.ColorSide.B);
apk.ReplaceAssetsFile(apk.ColorsFile(), colorAssets.ToBytes());
res.newColors = new CustomColors()
{
colorA = colorManager.colorA.FollowToScript <SimpleColor>(colorAssets),
colorB = colorManager.colorB.FollowToScript <SimpleColor>(colorAssets),
};
}