Added cool file parsing QoL features and some arguments to make this actually usable

.gitignore

@@ -0,0 +1,4 @@
+debug/
+target/
+**/*.rs.bk
+*.pdb

Cargo.lock

@@ -379,6 +379,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3e5a21b8495e732f1b3c364c9949b201ca7bae518c502c80256c96ad79eaf6ac"
 dependencies = [
  "clap_builder",
+ "clap_derive",
 ]
 
 [[package]]
@@ -393,6 +394,18 @@ dependencies = [
  "strsim",
 ]
 
+[[package]]
+name = "clap_derive"
+version = "4.5.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "501d359d5f3dcaf6ecdeee48833ae73ec6e42723a1e52419c79abf9507eec0a0"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.77",
+]
+
 [[package]]
 name = "clap_lex"
 version = "0.7.2"

Cargo.toml

@@ -8,7 +8,7 @@ license = "GPL-3.0"
 readme = "README.md"
 
 [dependencies]
-clap = { version = "4.5.17", features = ["cargo"] }
+clap = { version = "4.5.17", features = ["derive"] }
 image = "0.25.2"
 piston = "1.0.0"
 piston2d-graphics = "0.44.0"

src/fileparser.rs

@@ -1,15 +1,15 @@
-use std::fs::{self, read, File};
-use image::ImageReader;
+use std::{ffi::OsStr, fs::{self, read, File}, os::raw, path::Path};
+use image::{ImageFormat, ImageReader};
 use unreal_asset::{asset::AssetTrait, cast, engine_version::EngineVersion, exports::{self, normal_export::NormalExport, Export, ExportBaseTrait}, properties::{array_property::ArrayProperty, color_property::ColorProperty, struct_property::StructProperty, Property}, types::{fname::FNameContainer, PackageIndex}, Asset};
 
-pub fn rawrgb(path: &str) -> Result<Vec<u8>, String> {
+fn rawrgb(path: &str) -> Result<Vec<u8>, String> {
     match fs::read(path) {
         Ok(res) => Ok(res),
         Err(e) => Err(e.to_string()),
     }
 }
 
-pub fn image(path: &str) -> Result<Vec<u8>, String> {
+fn image(path: &str) -> Result<Vec<u8>, String> {
     match image::ImageReader::open(path) {
         Ok(res) => {
             match res.decode() {
@@ -23,8 +23,8 @@ pub fn image(path: &str) -> Result<Vec<u8>, String> {
     }
 }
 
-
-pub fn uasset(path: &str) -> Result<Vec<u8>, String> {
+//Shitty formats = Shitty code
+fn uasset(path: &str) -> Result<Vec<u8>, String> {
     let Some(path) = path.strip_suffix(".uasset") else {
         return Err("File not .uasset".to_string())
     };
@@ -77,3 +77,18 @@ pub fn uasset(path: &str) -> Result<Vec<u8>, String> {
     }
     Ok(output)
 }
+
+pub fn parse(path: &str) -> Result<Vec<u8>, String> {
+    match Path::new(path).extension().and_then(OsStr::to_str) {
+        Some(s) => {
+            if s == "uasset" {
+                uasset(path)
+            } else if ImageFormat::from_extension(s).is_some() {
+                image(path)
+            } else {
+                rawrgb(path)
+            }
+        },
+        None => rawrgb(path),
+    }
+}

src/input.rs

@@ -1,5 +1,5 @@
+#![allow(non_camel_case_types)]
 use std::{io::Read, net::UdpSocket, sync::mpsc::{self, Receiver, Sender}, thread, time::{Duration, Instant}};
-
 use crate::{ parser, fileparser };
 
 pub fn stdin(tx: Sender<Vec<[f32; 4]>>) {
@@ -23,7 +23,7 @@ pub fn stdin(tx: Sender<Vec<[f32; 4]>>) {
                     let _ = tx.send(r);
                 },
                 Err(_) => {
-                    std::process::exit(0x0100);
+                    std::process::exit(0);
                 },
             };
         }
@@ -42,9 +42,9 @@ pub fn realtimeudp(tx: Sender<Vec<[f32; 4]>>) {
     });
 }
 
-pub fn file(tx: Sender<Vec<[f32; 4]>>) {
+pub fn file(tx: Sender<Vec<[f32; 4]>>, path: String) {
     thread::spawn( move || {
-        let Ok(rawbytes) = fileparser::rawrgb("out.raw.lily") else {
+        let Ok(rawbytes) = fileparser::parse(&path) else {
             std::process::exit(1)
         };
         for frame in rawbytes.chunks(720) {
@@ -58,3 +58,10 @@ pub fn file(tx: Sender<Vec<[f32; 4]>>) {
         std::process::exit(0);
     });
 }
+
+#[derive(clap::ValueEnum, Clone, Debug)]
+pub enum Input {
+    stdin,
+    realtimeudp,
+    file,
+}

src/main.rs

@@ -6,9 +6,27 @@ mod utils;
 mod fileparser;
 
 use std::sync::mpsc::{self, Receiver, Sender};
-use clap::{command, Parser};
+use clap::{command, error::{self, ContextKind, ContextValue, ErrorKind}, Parser};
+
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = None)]
+struct Args {
+    /// Name of the person to greet
+    #[arg(short, long)]
+    input: input::Input,
+
+    #[arg(required(false), short, long, requires = "input")]
+    file: Option<String>,
+
+    #[arg(short, long)]
+    output: output::Output,
+
+    #[arg(required(false), short, long, requires = "output")]
+    destip: Option<String>,
+}
 
 fn main() {
+    let args = Args::parse();
     // let mut arg = clap::command!()
     //     .arg(clap::arg!(-o --output <file> "The output file to write to. Use - for stdout."))
     //     .arg_required_else_help(true);
@@ -19,8 +37,27 @@ fn main() {
     // } else {
     //     input::realtimeudp(tx)
     // }
-    input::file(tx);
-    output::realtimeudp(rx)
- 
-
+    match args.input {
+        input::Input::stdin => input::stdin(tx),
+        input::Input::realtimeudp => input::realtimeudp(tx),
+        input::Input::file => {
+            if args.file.is_some() {
+                input::file(tx, args.file.unwrap());
+            } else {
+                utils::err_missing_args(vec!["--file".to_owned()])
+            }
+        },
+    }
+    // input::file(tx);
+    // output::piston(rx) 21324
+    match args.output {
+        output::Output::piston => output::piston(rx),
+        output::Output::realtimeudp => {
+            if args.destip.is_some() {
+                output::realtimeudp(rx, args.destip.unwrap())
+            } else {
+                utils::err_missing_args(vec!["--destip".to_owned()])
+            }
+        },
+    }
 }

src/output.rs

@@ -1,3 +1,4 @@
+#![allow(non_camel_case_types)]
 extern crate piston_window;
 
 use graphics;
@@ -31,7 +32,7 @@ pub fn piston(rx: Receiver<Vec<[f32; 4]>>) {
     }
 }
 
-pub fn realtimeudp(rx: Receiver<Vec<[f32; 4]>>) {
+pub fn realtimeudp(rx: Receiver<Vec<[f32; 4]>>, addr: String) {
     let socket = UdpSocket::bind("0.0.0.0:0").unwrap();
     loop {
         let leds = rx.recv().unwrap();
@@ -41,6 +42,18 @@ pub fn realtimeudp(rx: Receiver<Vec<[f32; 4]>>) {
             packet.push((led[1]*255.0) as u8);
             packet.push((led[2]*255.0) as u8);
         }
-        let _ = socket.send_to(&packet, SocketAddr::from(([204, 2, 68, 140 ], 21324))).unwrap();
+        match socket.send_to(&packet, &addr) {
+            Ok(_) => (),
+            Err(err) => {
+                println!("Error while sending trying to send data: {}", err);
+                std::process::exit(1);
+            },
+        };
     }
 }
+
+#[derive(clap::ValueEnum, Clone, Debug)]
+pub enum Output {
+    piston,
+    realtimeudp,
+}

src/utils.rs

@@ -1,3 +1,5 @@
+use clap::error::{ContextKind, ContextValue, ErrorKind};
+
 pub fn compare(a: f64, b: f64) -> f64 {
     if a > b {
         b
@@ -17,3 +19,10 @@ pub fn offset(n: i16, max: i16, offset: i16) -> i16 {
 pub fn scaleu8tof32(old_value: u8) -> f32 { // Convert a u8 between 0 and 255 to a f32 between 0.0 and 1.0 for piston colors
     (((old_value as f32 - 0.0) * (0.0 - 1.0)) / (0.0 - 255.0)) + 0.0
 }
+
+pub fn err_missing_args(args: Vec<String>) {
+    let mut err = clap::Error::new(ErrorKind::MissingRequiredArgument);
+    err.insert(ContextKind::InvalidArg, ContextValue::Strings(args));
+    let _ = err.print();
+    std::process::exit(1);
+}