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[1.12] Hopper and custom container.


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I created a new chest, but after many times I saw that it was possible with a hopper to extract item from my custom chest. But I didn't add anything and I wanted to know if there is a simple way to disable it ? I've searched and I saw IItemHandler but It didn't work. I added it in my tile entity and tried but without success :/ This is my tile entity :


package fr.fifou.economy.blocks.tileentity;

import java.util.UUID;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

import fr.fifou.economy.blocks.BlocksRegistery;
import fr.fifou.economy.blocks.BlockVault;

import net.minecraft.block.Block;
import net.minecraft.block.BlockChest;
import net.minecraft.client.Minecraft;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.init.SoundEvents;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.ContainerChest;
import net.minecraft.inventory.IInventory;
import net.minecraft.inventory.ISidedInventory;
import net.minecraft.inventory.InventoryLargeChest;
import net.minecraft.inventory.ItemStackHelper;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.network.NetworkManager;
import net.minecraft.network.Packet;
import net.minecraft.network.play.server.SPacketUpdateTileEntity;
import net.minecraft.server.MinecraftServer;
import net.minecraft.tileentity.IHopper;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.tileentity.TileEntityChest;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.ITickable;
import net.minecraft.util.NonNullList;
import net.minecraft.util.SoundCategory;
import net.minecraft.util.datafix.DataFixer;
import net.minecraft.util.datafix.FixTypes;
import net.minecraft.util.datafix.walkers.ItemStackDataLists;
import net.minecraft.util.math.AxisAlignedBB;
import net.minecraft.util.math.BlockPos;
import net.minecraftforge.common.capabilities.Capability;
import net.minecraftforge.common.util.Constants;
import net.minecraftforge.items.CapabilityItemHandler;
import net.minecraftforge.items.IItemHandler;
import net.minecraftforge.items.ItemStackHandler;

public class TileEntityBlockVault extends TileEntity
	ItemStackHandler inventory = new ItemStackHandler(27);
	public String ownerS = "";
	public TileEntityBlockVault()
	public TileEntityBlockVault(String ownerData)
		 this.ownerS = ownerData;
    public void setString(String string)
        this.ownerS = string;
    public String getOwnerS()
        return this.ownerS;
	public NBTTagCompound writeToNBT(NBTTagCompound compound) 
		compound.setTag("inventory", inventory.serializeNBT());
		compound.setString("ownerS", this.ownerS);
		return super.writeToNBT(compound);
	public void readFromNBT(NBTTagCompound compound) 
		this.ownerS = compound.getString("ownerS");
	public boolean hasCapability(Capability<?> capability,@Nullable EnumFacing facing) 
		return capability == CapabilityItemHandler.ITEM_HANDLER_CAPABILITY || super.hasCapability(capability, facing);
	public <T> T getCapability(Capability<T> capability, @Nullable EnumFacing facing) {
		return capability == CapabilityItemHandler.ITEM_HANDLER_CAPABILITY ? (T)inventory : super.getCapability(capability, facing);



How can I do that ? Thank you :)

Edited by Fifou_BE
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You are gonna want to check the facing value in hasCapability and getCapability and if it is anything, but null say you don't have it or it doesn't exist.


I will be posting 1.15.2 modding tutorials on this channel. If you want to be notified of it do the normal YouTube stuff like subscribing, ect.

Forge and vanilla BlockState generator.

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Ok, yep I removed the capabilities and I've done that instead in my other class ! It works but is that correct ?


I added in tile entity


	public ItemStackHandler getHandler()
		return inventory_seller;


And then I've done that in container/guis


IItemHandler inventory = te.getHandler();


It works perfectly fine ^^ 

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