TESRCharger.java

public class TESRCharger extends FastTESR<TileEntityCharger> {

	private static final IBlockState AIR = Blocks.AIR.getDefaultState();

	@Override
	public void renderTileEntityFast(TileEntityCharger te, double x, double y, double z, float partialTicks, int destroyStage, VertexBuffer buffer) {
		ItemStack stack = te.getStackInSlot(0);
		if (stack != null) {
			Minecraft mc = Minecraft.getMinecraft();

			IBakedModel model = mc.getRenderItem().getItemModelWithOverrides(stack, getWorld(), null);

			BlockPos pos = te.getPos();

			buffer.setTranslation(x - pos.getX(), y - pos.getY(), z - pos.getZ());

			GlStateManager.scale(0.5d, 0.5d, 0.5d);
			GlStateManager.translate(0, Math.sin(Math.toRadians(te.ticks + partialTicks)) * 0.2, 0);
			GL11.glRotated((te.ticks + partialTicks) % 360 * 2, 0, 1, 0);

			mc.getBlockRendererDispatcher().getBlockModelRenderer().renderModel(getWorld(), model, AIR, pos, buffer, false);
		}
	}

}