1.15.I want my block(i'll call it x) to consume whatever block im rightclicking with. i already did the consuming part but if you right click with a block it consumes one and places one next to x. how can i make it so you cant use x to place blocks near it?

Show your code.

Spoiler

package com.martiblq.washing_mod.events;

import java.util.Random;

import com.martiblq.washing_mod.WashingMod;

import net.minecraft.block.Block;
import net.minecraft.block.Blocks;
import net.minecraft.entity.ai.attributes.IAttributeInstance;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.item.Items;
import net.minecraft.world.World;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.event.entity.player.PlayerInteractEvent.RightClickBlock;
import net.minecraftforge.eventbus.api.SubscribeEvent;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.Mod.EventBusSubscriber.Bus;

@Mod.EventBusSubscriber(modid= WashingMod.MOD_ID, bus = Bus.FORGE, value = Dist.CLIENT)
public class onItemsUsedOnWasherEvent 
{
    @SubscribeEvent
    public static void onItemUsedOnWasherEvent(RightClickBlock event)
    {
        PlayerEntity player = event.getPlayer();
        World world = event.getWorld();
        Block block = world.getBlockState(event.getPos()).getBlock();
        ItemStack heldItemStack = event.getItemStack();
        Item heldItem = heldItemStack.getItem();
        
        int max = 100; 
        int min = 1; 
        int range = max - min + 1;
        
        //gravel
        if (heldItem == Items.GRAVEL && block == Blocks.BEDROCK&& !world.isRemote) 
        {
            //player.inventory.addItemStackToInventory(new ItemStack(Items.DIRT));
            heldItemStack.shrink(1);
            int nugget= (int) (Math.random()*range)+min;
            if(nugget< 11)
            {
                player.inventory.addItemStackToInventory(new ItemStack(Items.GOLD_NUGGET));
            }
            int flint= (int) (Math.random()*range)+min;
            //3
            if(flint>50)
            {
                player.inventory.addItemStackToInventory(new ItemStack(Items.FLINT));
                player.inventory.addItemStackToInventory(new ItemStack(Items.FLINT));
                player.inventory.addItemStackToInventory(new ItemStack(Items.FLINT));
            }
            //2
            else
            {
                player.inventory.addItemStackToInventory(new ItemStack(Items.FLINT));
                player.inventory.addItemStackToInventory(new ItemStack(Items.FLINT));
            }
        }
    }
}

the event

the block

Spoiler

package com.martiblq.washing_mod.objects.blocks;

import net.minecraft.block.Block;
import net.minecraft.block.BlockState;
import net.minecraft.block.SoundType;
import net.minecraft.block.material.Material;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.item.ItemStack;
import net.minecraft.item.Items;
import net.minecraft.util.Direction;
import net.minecraft.util.Hand;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.IBlockReader;
import net.minecraft.world.World;
import net.minecraftforge.event.entity.player.PlayerInteractEvent;

public class Washer extends Block
{
    public Washer()
    {
        super(Block.Properties.create(Material.WOOD)
        .hardnessAndResistance(2F, 3F)
        .sound(SoundType.WOOD)    
        );
    }
    @Override
    public int getFlammability(BlockState state, IBlockReader world, BlockPos pos, Direction face) 
    {
        return 20;
    }
}
 

i want it so if you rightclick on the block you don't place blocks

Cancel the event.

I believe that that event is one that is cancelable, and if canceled, does not process the placement effect.

That worked! Thank you!