Add support to NBTIngredient for handling attachments

[pupnewfster]

This adds support so NBT Ingredients will support the following cases (some they already supported):

• partial nbt
• partial attachment data
• partial nbt and partial attachment data
• strict nbt with no attachments present
• strict attachment matching with no nbt present
• strict attachment matching and strict nbt matching

[neoforged-pr-publishing]

• Publish PR to GitHub Packages

Last commit published: e8a4ba76aa8868625667a4e0c22256ccfc0fcada.

PR Publishing

The artifacts published by this PR:

• 📦 net.neoforged:neoforge:20.4.177-pr-638-attachment_ingredients

Repository Declaration

In order to use the artifacts published by the PR, add the following repository to your buildscript:

repositories {
    maven {
        name 'Maven for PR #638' // https://github.com/neoforged/NeoForge/pull/638
        url 'https://prmaven.neoforged.net/NeoForge/pr638'
        content {
            includeModule('net.neoforged', 'neoforge')
        }
    }
}

MDK installation

In order to setup a MDK using the latest PR version, run the following commands in a terminal.
The script works on both *nix and Windows as long as you have the JDK bin folder on the path.
The script will clone the MDK in a folder named NeoForge-pr638.
On Powershell you will need to remove the -L flag from the curl invocation.

mkdir NeoForge-pr638
cd NeoForge-pr638
curl -L https://prmaven.neoforged.net/NeoForge/pr638/net/neoforged/neoforge/20.4.177-pr-638-attachment_ingredients/mdk-pr638.zip -o mdk.zip
jar xf mdk.zip
rm mdk.zip || del mdk.zip

To test a production environment, you can download the installer from here.

[Technici4n]

null NBT and empty NBT are different. Does this PR allow differentiating between the two? (e.g. only accept a stack with no NBT whatsoever)

[pupnewfster]

When in strict mode yes, when in partial I don't remember if vanilla differentiates between null and empty for purposes of partial nbt