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Posted (edited)

I'm currently working on a method for a custom item that will print information in the chat about what is being looked at by the player.

 I am using the onItemRightClick method, but my game crashes when this code is ran:

	@Override
	public ActionResult<ItemStack> onItemRightClick(World worldIn, PlayerEntity playerIn, Hand handIn) {
		
		RayTraceResult rtr = this.rayTrace(worldIn, playerIn, RayTraceContext.FluidMode.NONE);
		playerIn.sendMessage(ITextComponent.Serializer.fromJson(rtr.hitInfo.toString()));
		return onItemRightClick(worldIn, playerIn, handIn);
	}

There are multiple parts of this snippet that I am very uncertain about, so it wouldn't surprise me if I am doing more than one thing wrong ?.

Any advice would be much appreciated.

 

EDIT: Updated my code as well as added crash log

crash-2019-08-04_12.45.37-client.txtFetching info...

Edited by t_h0e
added crash log
Posted (edited)
  On 8/4/2019 at 8:43 AM, t_h0e said:

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

Expand  

Change this to return your own ActionResult.

 

  On 8/4/2019 at 8:43 AM, t_h0e said:

but my game crashes when this code is ran:

Expand  

Unsure of the crash, but perhaps a NullPointerException? Post your crash.

Edited by Animefan8888
  • Like 1

VANILLA MINECRAFT CLASSES ARE THE BEST RESOURCES WHEN MODDING

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.

Posted

Hmm, Ok. What field tell me which object (if any) was hit from a RayTraceResult?

Also I believe I am serializing my string into an ITextComponent wrong. Is my best option to just implement ITextComponent in my own method?

Posted

Thanks for the help! I got it working by changing the method to itemInteractionForEntity after a bit of tweaking. I believe onItemRightClick is called too many times for how I am applying it.

	@Override
	public boolean itemInteractionForEntity(ItemStack stackIn, PlayerEntity playerIn, LivingEntity livingIn, Hand handIn) {
		if (m.objectMouseOver.getType() == RayTraceResult.Type.ENTITY) {
			EntityRayTraceResult ertr = (EntityRayTraceResult) m.objectMouseOver;
			playerIn.sendMessage(ertr.getEntity().getName());
			return true;
		}
		else return false;
	}

 

Posted

When I use this code, I receive no message at all. I read another post that said RayTraceResult does not return entities because it is the same as World::RayTraceBlocks, however I'm not sure if that's why I'm receiving nothing at all.

	@Override
	public boolean itemInteractionForEntity(ItemStack stackIn, PlayerEntity playerIn, LivingEntity livingIn, Hand handIn) {
		RayTraceResult rtr = this.rayTrace(playerIn.world, playerIn, RayTraceContext.FluidMode.NONE);
		if (rtr.getType() == RayTraceResult.Type.ENTITY) {
			EntityRayTraceResult ertr = (EntityRayTraceResult) m.objectMouseOver;
			playerIn.sendMessage(ertr.getEntity().getName());
			
			return true;
		}
	}

 

Posted

GameRenderer.GetMouseOver() returns void. Is there something else I should be using, or do I have to create my own raytracing method?

Posted

Well, I believe I need to learn more about how to send network packets between the logical sides, because that is something I am not familiar with at all. It's unfortunate that a solely single player mod needs to be that complicated due to minecraft's design.

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