Rebrand to Galaxy, major improvements to Bedrock support, still needs some TLC though

crates/galaxy_util/src/file.rs

@@ -0,0 +1,40 @@
+use std::{
+    io,
+    path::PathBuf,
+    sync::atomic::{AtomicUsize, Ordering},
+};
+
+#[derive(thiserror::Error, Debug)]
+pub enum FileSaveError {
+    #[error("No file path associated with file when saving file {0:?}")]
+    NoFilePath(FileId),
+    #[error("IO error when saving file.")]
+    IOError {
+        #[source]
+        error: io::Error,
+        path: PathBuf,
+    },
+    #[error("Remote file operation failed: {0}")]
+    RemoteError(String),
+}
+
+#[derive(thiserror::Error, Debug)]
+pub enum FileLoadError {
+    #[error("File does not exist")]
+    DoesNotExist,
+    #[error("IO error when loading file.")]
+    IOError(#[from] io::Error),
+}
+
+#[derive(Copy, Clone, Debug, Hash, PartialEq, Eq, PartialOrd, Ord)]
+pub struct FileId(usize);
+
+impl FileId {
+    /// Constructs a new globally-unique file ID.
+    #[allow(clippy::new_without_default)]
+    pub fn new() -> FileId {
+        static NEXT_ID: AtomicUsize = AtomicUsize::new(0);
+        let raw = NEXT_ID.fetch_add(1, Ordering::Relaxed);
+        FileId(raw)
+    }
+}