private void place (BlockPos pos, EnumFacing direction) {
    final Block block = mc.world.getBlockState(pos).getBlock();
    final boolean activated = block.onBlockActivated(mc.world, pos, mc.world.getBlockState(pos), mc.player, EnumHand.MAIN_HAND, direction, 0, 0, 0);

    if (activated) {
        mc.player.connection.sendPacket(new CPacketEntityAction(mc.player, CPacketEntityAction.Action.START_SNEAKING));
    }

    this.mc.player.connection.sendPacket(new CPacketPlayerTryUseItemOnBlock(pos, direction, EnumHand.MAIN_HAND, 0.0F, 0.0F, 0.0F));

    if (activated) {
        mc.player.connection.sendPacket(new CPacketEntityAction(mc.player, CPacketEntityAction.Action.STOP_SNEAKING));
    }
}
 

@Listener
public void sendPacket(EventSendPacket event) {
    if (event.getStage() == EventStageable.EventStage.PRE) {
        if (event.getPacket() instanceof CPacketPlayerTryUseItemOnBlock) {
            if (this.clicked) {
                this.clicked = false;
                return;
            }
            final CPacketPlayerTryUseItemOnBlock packet = (CPacketPlayerTryUseItemOnBlock) event.getPacket();
            final Minecraft mc = Minecraft.getMinecraft();
            if (mc.currentScreen == null) {
                final Block block = mc.world.getBlockState(packet.getPos()).getBlock();
                if (block.onBlockActivated(mc.world, packet.getPos(), mc.world.getBlockState(packet.getPos()), mc.player, packet.getHand(), packet.getDirection(), packet.getFacingX(), packet.getFacingY(), packet.getFacingZ())) {
                    return;
                }

                final BlockPos usable = findUsableBlock(packet.getHand(), packet.getDirection(), packet.getFacingX(), packet.getFacingY(), packet.getFacingZ());
                if (usable != null) {
                    mc.player.swingArm(packet.getHand());
                    mc.player.connection.sendPacket(new CPacketPlayerTryUseItemOnBlock(usable, packet.getDirection(), packet.getHand(), packet.getFacingX(), packet.getFacingY(), packet.getFacingZ()));
                    this.clicked = true;
                }else{
                    final Entity usableEntity = findUsableEntity(packet.getHand());
                    if(usableEntity != null) {
                        mc.player.connection.sendPacket(new CPacketUseEntity(usableEntity, packet.getHand()));
                        this.clicked = true;
                    }
                }
            }
        }
    }
}
 

@Listener
public void sendPacket(EventSendPacket event) {
    if (event.getStage() == EventStageable.EventStage.PRE) {
        if (event.getPacket() instanceof CPacketPlayerTryUseItemOnBlock && !Minecraft.getMinecraft().player.isSneaking()) {
            Minecraft.getMinecraft().player.connection.sendPacket(new CPacketEntityAction(Minecraft.getMinecraft().player, CPacketEntityAction.Action.STOP_SNEAKING));
        }
    }
}
 

@Listener
public void sendPacket(EventSendPacket event) {
    if(event.getStage() == EventStageable.EventStage.PRE) {
        if(event.getPacket() instanceof CPacketPlayerTryUseItemOnBlock) {
            final CPacketPlayerTryUseItemOnBlock packet = (CPacketPlayerTryUseItemOnBlock) event.getPacket();
            if(packet.getPos().getY() >= 255 && packet.getDirection() == EnumFacing.UP) {
                packet.placedBlockDirection = EnumFacing.DOWN;
            }
        }
    }
}
 

@Override
public void onTick() {
  if (counter++ % (TPS * MULTIPLIER) == 0) {
    if (isPlaced()) {
      getNetworkManager()
          .sendPacket(
              new CPacketPlayerDigging(
                  CPacketPlayerDigging.Action.START_DESTROY_BLOCK,
                  getBlockBelow(),
                  EnumFacing.UP));
      swingHand();
      return;
    }
    
    LocalPlayerInventory.InvItem item =
        LocalPlayerInventory.getHotbarInventory()
            .stream()
            .filter(itm -> itm.getItemStack().getItem() instanceof ItemRedstone)
            .findAny()
            .orElse(LocalPlayerInventory.InvItem.EMPTY);
    
    if (item.isNull()) {
      return;
    }
    
    RayTraceResult result = getTraceBelow();
    
    if (result == null) {
      return;
    }
    
    if (!Blocks.REDSTONE_WIRE.canPlaceBlockAt(getWorld(), result.getBlockPos())) {
      return; // can't place block
    }
    
    ResetFunction func = LocalPlayerInventory.setSelected(item);
    LocalPlayerInventory.syncSelected();
    
    getNetworkManager()
        .sendPacket(
            new CPacketPlayerTryUseItemOnBlock(
                result.getBlockPos(),
                EnumFacing.UP,
                EnumHand.MAIN_HAND,
                (float) (result.hitVec.x - result.getBlockPos().getX()),
                (float) (result.hitVec.y - result.getBlockPos().getY()),
                (float) (result.hitVec.z - result.getBlockPos().getZ())));
    swingHand();
    
    func.revert();
  }
}