RenderUtil.renderGuiTank(gen.getFuelTank().getFluid(), 4000, gen.getFuelTank().getFluidAmount() - 1000, x, y, zLevel, 15, 47);
if(gen.isActive()) {
txt = gen.getNumTicksPerMbFuel() + " t/MB";
sw = fr.getStringWidth(txt);
fr.drawStringWithShadow(txt, x - sw / 2 + 7, y + fr.FONT_HEIGHT / 2 + 47, ColorUtil.getRGB(Color.WHITE));
}
//center tank
//RenderUtil.renderGuiTank(gen.fuelTank.getFluid(), 1000, Math.min(gen.fuelTank.getFluidAmount(), 1000), guiLeft + 81, guiTop + 5, zLevel, 14, 14);
RenderUtil.renderGuiTank(gen.getFuelTank().getFluid(), 1000, Math.min(gen.getFuelTank().getFluidAmount(), 1000), guiLeft + 81, guiTop + 5, zLevel, 14, 14);