package client.tesr;

import javax.annotation.Nullable;

import net.minecraft.block.Block;
import net.minecraft.block.BlockHopper;
import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.IInventory;
import net.minecraft.tileentity.TileEntityBeacon;
import net.minecraft.tileentity.TileEntityHopper;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;
@SideOnly(Side.CLIENT)
public class TileEntityHopperRenderer extends TileEntitySpecialRenderer<TileEntityHopper>{
       
        public void render(TileEntityHopper te, double x, double y, double z, float partialTicks, int destroyStage, float alpha)
        {
                BlockPos blockpos=te.getPos();
                World worldIn=te.getWorld();
               
                if(worldIn.getBlockState(blockpos).getBlock() instanceof BlockHopper)
                {
                        BlockHopper hopper=(BlockHopper)(worldIn.getBlockState(blockpos).getBlock());
                        this.setLightmapDisabled(true);
                        this.drawNameplate(te,"强度："+Container.calcRedstoneFromInventory(te),x,y,z,12);
                        this.setLightmapDisabled(false);
                }
        }
       

}
代码如上，版本forge1.12.2，已经绑定了漏斗地的e，目的是为了将漏斗的比较器检测强度显示在名字上，进入游戏后发现能显示但强度始终显示为0，想请教一下大佬是哪边的问题？

逻辑客户端没有逻辑服务器上的数据，所以客户端看不到任何物品。