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[1.12] ContainerItem


DiscardedMarrow
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Hello!

I'm trying to create a recipe where my custom item will stay in the crafting grid and it keeps on being used up either way.

Here is my class for the item:

Spoiler

package discardedmarrow.veganism.init.items;

import java.util.List;

import javax.annotation.Nullable;

import net.minecraft.client.util.ITooltipFlag;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.text.TextFormatting;
import net.minecraft.world.World;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

public class ItemPHVeganism extends Item {
    public ItemPHVeganism(String name, Item containerItem, int maxStackSize) {
        setUnlocalizedName(name);
        setRegistryName(name);
        setContainerItem(containerItem);
        setMaxStackSize(maxStackSize);
    }
    
    @SideOnly(Side.CLIENT)
    public void addInformation(ItemStack stack, @Nullable World worldIn, List<String> tooltip, ITooltipFlag flagIn)
    {
        super.addInformation(stack, worldIn, tooltip, flagIn);
        tooltip.add(TextFormatting.GOLD + "THIS ITEM IS A PLACEHOLDER\nAND WILL BE REPLACED");
    }
}
 

Here is the recipe:

Spoiler

{
    "type": "minecraft:crafting_shaped",
    "pattern": [
        " P ",
        "SSS",
        " B "
    ],
    "key": {
        "P": {
            "item": "veganism:press_item"
        },
        "S": {
            "item": "veganism:soy_bean"
        },
        "B": {
            "item": "minecraft:bucket"
        }
    },
    "result": {
        "item": "veganism:bucket_soy_milk"
    }
}

where press_item is the item that's supposed to stay of type itemphveganism.

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27 minutes ago, DiscardedMarrow said:

I'm trying to create a recipe where my custom item will stay in the crafting grid and it keeps on being used up either way.

Here is my class for the item:

Override hasContainerItem() and getContainerItem().

Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

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Just returning super means you did dick with the function and shouldn't bother with the override at all.

So yes, return true and the itemstack you want to stay in the crafting grid.

 

(With d7 ninjaing me by a few seconds)

Edited by Draco18s

Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

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It does work, if I hardcode it.

 

Works:

Spoiler

@Override
    public ItemStack getContainerItem(ItemStack itemStack) {
        return new ItemStack(ItemInit.press_item);
    }

Doesn't work:

Spoiler

@Override
    public ItemStack getContainerItem(ItemStack itemStack) {
        return new ItemStack(this.containerItem);
    }

 

But I need it to be mildly flexible, as in the containerItems being different.

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  • 1 month later...

If anyone wonders what containerItem is, it's used to keep items after a craft.
For example, after crafting cake, the milk buckets turn into buckets.

Forge uses the container item to get the item that an ingredient transforms into.

Thus, buckets are milk buckets' container item.

 

(If there isn't a container item, then Itemstack.empty is returned)

Edited by phlaxyr
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