fix live shader reload

tape-drive/src/main.rs

@@ -564,7 +564,7 @@ impl App {
         .ok();
 
         if watcher.is_some()
-            && let Ok(paths) = std::fs::read_dir("src/shaders")
+            && let Ok(paths) = std::fs::read_dir("tape-drive/src/shaders")
         {
             for path in paths {
                 if let Ok(path) = path
@@ -1740,6 +1740,7 @@ impl App {
                 .store(false, std::sync::atomic::Ordering::Relaxed);
             if std::process::Command::new("python3")
                 .arg("assemble_trace.py")
+                .current_dir("tape-drive")
                 .status()
                 .is_err()
             {
@@ -2590,7 +2591,7 @@ fn relpath(path: &str) -> PathBuf {
 }
 
 fn read_spirv_words_from_file(name: &str) -> std::io::Result<Vec<u32>> {
-    let mut file = std::fs::File::open(format!("shaders_out/{name}"))?;
+    let mut file = std::fs::File::open(format!("tape-drive/shaders_out/{name}"))?;
     let mut bytes = vec![];
     file.read_to_end(&mut bytes).unwrap();