Initialize Minecraft text generator project with basic structure and CLI functionality

crates/bin/src/cli.rs

@@ -0,0 +1,64 @@
+use std::{fs, path::PathBuf};
+
+use clap::Parser;
+use exporters::McFunctionExporter;
+use lib::{StructureExporter, TextBuilder, TtfFont};
+
+#[derive(Parser, Debug)]
+#[command(author, version, about, long_about = None)]
+struct Cli {
+    /// The text you want to generate
+    #[arg(short, long)]
+    text: String,
+
+    /// Path to the .ttf font file
+    #[arg(short, long)]
+    font: PathBuf,
+
+    /// How many blocks deep the text should be
+    #[arg(short, long, default_value_t = 1)]
+    depth: u32,
+
+    /// The Minecraft block ID to use for the text body
+    #[arg(short, long, default_value = "minecraft:quartz_block")]
+    block: String,
+
+    /// Output file path (without extension)
+    #[arg(short, long, default_value = "output")]
+    out: PathBuf,
+
+    /// Height of the text in blocks
+    #[arg(long, default_value_t = 16.0)]
+    size: f32,
+}
+
+pub fn run() -> anyhow::Result<()> {
+    let cli = Cli::parse();
+
+    tracing::info!("loading font from: {:?}", cli.font);
+    let font_bytes = fs::read(&cli.font)?;
+
+    let font = TtfFont::from_bytes(&font_bytes, cli.size)
+        .map_err(|e| anyhow::anyhow!(e))?;
+
+    tracing::info!("generating voxel grid for text: '{}'", cli.text);
+    let builder = TextBuilder::new(&font).with_depth(cli.depth);
+    let grid = builder.generate(&cli.text);
+
+    tracing::info!(
+        "grid generated: {}x{}x{}",
+        grid.width, grid.height, grid.depth
+    );
+
+    let exporter = McFunctionExporter::new(&cli.block, "minecraft:obsidian");
+
+    let output_bytes = exporter.export(&grid)?;
+
+    let mut out_path = cli.out.clone();
+    out_path.set_extension(exporter.file_extension());
+
+    fs::write(&out_path, output_bytes)?;
+    tracing::info!("saved to: {:?}", out_path);
+
+    Ok(())
+}

crates/bin/src/lib.rs

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+pub mod cli;

crates/bin/src/main.rs

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+fn main() {
+    tracing_subscriber::fmt()
+        .with_env_filter(tracing_subscriber::EnvFilter::from_default_env())
+        .init();
+
+    minecraft_text_generator::cli::run().unwrap_or_else(|e| {
+        tracing::error!("{e}");
+        std::process::exit(1);
+    });
+}