Function Java_dev_yog_NativeBridge_nativeMachineCraft 

#[unsafe(no_mangle)]
pub extern "system" fn Java_dev_yog_NativeBridge_nativeMachineCraft<'l>(
    env: JNIEnv<'l>,
    _class: JClass<'l>,
    def: JString<'l>,
    recipe: JString<'l>,
    dimension: JString<'l>,
    x: jint,
    y: jint,
    z: jint,
    items: JString<'l>,
    player: JString<'l>,
) -> jboolean

player took machine def’s result, made by recipe of items (the ingredients still in): whether it may — then the mods take their share.