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[1.8] Trying to swap items upon use.


Vi The King

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The title says it all. I want to be able to 'shift+right click' and the two items (a case and a sword) to swap. Say I'm using the sword and I do said process and it changes into a case (The sword has no durability and can't be enchanted/named so that's not a problem, btw). I've been stuck on this for a bit and need a lil help. Thanks :D

"You're a wizard, Will."

"I'm a whwat?"

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Override

Item#onItemRightClick

to check if the player is sneaking (

Entity#isSneaking

). If they are, return an

ItemStack

of the other

Item

; else return the result of the super method.

 

You can see a basic example of this here.

Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future.

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Cheers! It's working now :D

 

EDIT: I've stumbled across a problem on my behalf (obviously), I have no idea how to set the other item. I used another project the first time but now I need to change the item and I'm confused (I'm a derp), I change all the instances of 'otherItem' right?

"You're a wizard, Will."

"I'm a whwat?"

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I have the two items created but I don't know how to set 'otherItem' as the case (and vice versa).

 

EDIT: This is my code for the ItemQuinqueDoujima. I'm trying to create the 'Quinques' from Tokyo Ghoul.

 

package com.tokyoghoul.tgmod.items;

 

import com.tokyoghoul.tgmod.TokyoGhoulMod;

import net.minecraft.entity.player.EntityPlayer;

import net.minecraft.item.Item;

import net.minecraft.item.ItemStack;

import net.minecraft.util.StatCollector;

import net.minecraft.world.World;

import java.util.List;

 

public class ItemQuinqueDoujima extends Item {

private ItemStack ItemQuinqueCase;

 

 

public boolean hasOtherItem() {

return ItemQuinqueCase != null;

}

 

public void setOtherItem(ItemStack otherItem) {

this.ItemQuinqueCase = otherItem;

}

 

@Override

public void addInformation(ItemStack stack, EntityPlayer playerIn, List tooltip, boolean advanced) {

super.addInformation(stack, playerIn, tooltip, advanced);

 

if (hasOtherItem()) {

tooltip.add(StatCollector.translateToLocalFormatted("item.swapTestWithItem.desc", ItemQuinqueCase.getDisplayName()));

} else {

tooltip.add(StatCollector.translateToLocal("item.swapTestWithoutItem.desc"));

}

}

 

@Override

public ItemStack onItemRightClick(ItemStack itemStackIn, World worldIn, EntityPlayer playerIn) {

if (hasOtherItem() && playerIn.isSneaking()) {

return ItemQuinqueCase.copy();

}

 

return super.onItemRightClick(itemStackIn, worldIn, playerIn);

}

}

"You're a wizard, Will."

"I'm a whwat?"

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Do you understand how the code works?

 

You have an instance of your

ItemQuinqueCase

class stored in a static field of some class (e.g.

TokyoGhoulMod

or

ModItems

), return a new

ItemStack

of this

Item

instance from

ItemQuinqueDoujima#onItemRightClick

. Do the same in

ItemQuinqueCase#onItemRightClick

, except return an

ItemStack

of the sword instead of the case.

 

You don't need the

ItemQuinqueCase

field if the result of the swap is hardcoded, I just used that to demonstrate two items that use the same class swapping to each other.

Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future.

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