Add new nbtdump util

src/bin/nbtdump.rs

@@ -0,0 +1,30 @@
+use std::{fs::File, io::prelude::*, path::PathBuf};
+
+use anyhow::{Context, Result};
+use clap::Parser;
+use flate2::read::GzDecoder;
+
+#[derive(Debug, Parser)]
+struct Args {
+	/// Filename to dump
+	file: PathBuf,
+}
+
+fn main() -> Result<()> {
+	let args = Args::parse();
+
+	let file = File::open(&args.file).context("Failed to open file")?;
+
+	let mut decoder = GzDecoder::new(file);
+	let mut buf = vec![];
+	decoder
+		.read_to_end(&mut buf)
+		.context("Failed to read file")?;
+
+	let nbt: fastnbt::Value =
+		fastnbt::from_bytes(buf.as_slice()).context("Failed to decode NBT data")?;
+
+	println!("{:#x?}", nbt);
+
+	Ok(())
+}