private static int getEngineScreen(TileEntity te) {
EngineType e = ((TileEntityEngine) te).getEngineType();
int ei = (1 + e.ordinal()) / 8;
return ENGINEDESC.getBaseScreen() + ei;
}
private static int getEnginePage(TileEntity te) {
EngineType e = ((TileEntityEngine) te).getEngineType();
return 1 + e.ordinal() - (getEngineScreen(te) - ENGINEDESC.getBaseScreen()) * 8;
}