Quick and dirty copy folder works

bin/editor.rs

@@ -5,6 +5,12 @@
 // BUGS:
 //
 // TODO:
+// * re-load assets dir when new asset is copied
+// * copy-and-reload drag-and-drop dirs
+// * font resource for monologues
+// * edit textbox with actions
+// * run_if logic for actions where possible
+// * make min/max/close buttons into actions not selects
 // * (medium) Select Font -> "Default Font" Resource
 // * (medium) Pre-compute animation target entities
 // * (hard) Harden Active Camera
@@ -23,9 +29,8 @@ use monologue_trees::{debug::*, ui};
 
 const WELCOME_MESSAGES: &'static [&'static str] = &[
     "Welcome to the Monologue Trees editor!",
+    "Import assets by dragging and dropping files or folders into the editor!",
     concat!(
-        "Import assets by dragging and dropping files into the editor\n",
-        "\n",
         "Supported file types (for now):\n",
         "* 3D: .gltf, .glb\n",
         "* Audio: .ogg\n",
@@ -56,6 +61,7 @@ fn main() {
             },
         ))
         .init_resource::<AssetRegistry>()
+        .insert_resource(AssetsDir::new("assets/scratch"))
         .add_event::<ImportAsset>()
         .add_asset::<Monologue>()
         .init_asset_loader::<MonologueLoader>()
@@ -87,7 +93,17 @@ fn main() {
                 sync_monologue_font,
             ),
         )
-        .add_systems(Update, (import_assets, import_file, import_folder))
+        .add_systems(
+            Update,
+            (
+                init_assets_dir,
+                import_assets,
+                import_file,
+                import_folder,
+                reload_assets,
+                clear_assets,
+            ),
+        )
         .add_systems(
             Update,
             (
@@ -96,7 +112,7 @@ fn main() {
                 directional_light_force_shadows,
             ),
         )
-        .add_systems(Update, (clear_level, clear_assets))
+        .add_systems(Update, clear_level)
         .run();
 }
 
@@ -479,10 +495,45 @@ mod audio {
 
 use assets::*;
 mod assets {
-    use std::path::PathBuf;
+    use std::{
+        fs::DirBuilder,
+        fs::{copy, create_dir_all, read_dir},
+        path::PathBuf,
+    };
+
+    use bevy::tasks::IoTaskPool;
 
     use super::*;
 
+    #[derive(Debug, Resource)]
+    pub struct AssetsDir {
+        pub root: PathBuf,
+    }
+
+    impl AssetsDir {
+        pub fn new(root: &str) -> Self {
+            AssetsDir {
+                root: PathBuf::from(root)
+                    .canonicalize()
+                    .expect("Setting assets dir"),
+            }
+        }
+    }
+
+    pub fn init_assets_dir(assets_dir: Res<AssetsDir>) {
+        if assets_dir.is_added() || assets_dir.is_changed() {
+            let d = assets_dir.root.clone();
+            IoTaskPool::get()
+                .spawn(async move {
+                    match DirBuilder::new().create(d) {
+                        Ok(_) => info!("Created assets directory"),
+                        Err(e) => warn!("Error creating assets directory {:?}", e),
+                    }
+                })
+                .detach();
+        }
+    }
+
     #[derive(Debug, Event)]
     pub enum ImportAsset {
         File(PathBuf),
@@ -507,44 +558,82 @@ mod assets {
         })
     }
 
-    pub fn import_file(
-        mut events: EventReader<ImportAsset>,
-        server: Res<AssetServer>,
-        mut registry: ResMut<AssetRegistry>,
-    ) {
+    pub fn import_file(mut events: EventReader<ImportAsset>, assets_dir: Res<AssetsDir>) {
         events
             .iter()
             .filter_map(|event| match event {
-                ImportAsset::File(path) => Some(path),
+                ImportAsset::File(path) => Some(path.clone()),
                 _ => None,
             })
             .for_each(|path| {
-                registry
-                    .0
-                    .push(server.load_untyped(String::from(path.to_string_lossy())));
+                let fname = path.file_name().expect("PathBuf should have file name");
+                let newpath = PathBuf::from(assets_dir.root.clone()).join(fname);
+                IoTaskPool::get()
+                    .spawn(async move {
+                        match copy(path, newpath) {
+                            Ok(_) => info!("Created assets directory"),
+                            Err(e) => warn!("Error creating assets directory {:?}", e),
+                        }
+                    })
+                    .detach();
             });
     }
 
-    pub fn import_folder(
-        mut events: EventReader<ImportAsset>,
-        server: Res<AssetServer>,
-        mut registry: ResMut<AssetRegistry>,
-    ) {
+    fn copy_dir(from: PathBuf, to: PathBuf) -> std::io::Result<()> {
+        info!("Copy dir {:?} -> {:?}", from, to);
+        if let Ok(entries) = read_dir(from) {
+            for entry in entries.filter_map(|e| e.ok()) {
+                if entry.path().is_file() {
+                    let from_file = entry.path();
+                    let to_file = to.join(entry.file_name());
+                    copy(from_file, to_file).map(|_| ())?;
+                } else if entry.path().is_dir() {
+                    info!("Recursive");
+                    let target = to.join(entry.file_name());
+                    create_dir_all(target.clone())?;
+                    copy_dir(entry.path(), target.clone())?;
+                }
+            }
+        }
+        Ok(())
+    }
+
+    pub fn import_folder(mut events: EventReader<ImportAsset>, assets_dir: Res<AssetsDir>) {
         events
             .iter()
             .filter_map(|event| match event {
-                ImportAsset::Dir(path) => Some(path),
+                ImportAsset::Dir(path) => Some(path.clone()),
                 _ => None,
             })
             .for_each(|path| {
-                registry.0.extend(
-                    server
-                        .load_folder(String::from(path.to_string_lossy()))
-                        .expect("Loading assets from folder"),
-                );
+                let fname = path.file_name().expect("PathBuf should have file name");
+                let newpath = PathBuf::from(assets_dir.root.clone()).join(fname);
+                info!("copying folder {:?} to {:?}", path.clone(), newpath);
+                IoTaskPool::get()
+                    .spawn(async move {
+                        match copy_dir(path.clone(), newpath) {
+                            Ok(_) => info!("Created assets directory"),
+                            Err(e) => warn!("Error creating assets directory {:?}", e),
+                        }
+                    })
+                    .detach();
             });
     }
 
+    pub fn reload_assets(
+        mut events: EventReader<ImportAsset>,
+        server: Res<AssetServer>,
+        mut registry: ResMut<AssetRegistry>,
+        assets_dir: Res<AssetsDir>,
+    ) {
+        // Reduce all import events in a frame to one "load_folder" action
+        if events.iter().len() > 0 {
+            registry.0 = server
+                .load_folder(assets_dir.root.clone())
+                .expect("Reload assets folder");
+        }
+    }
+
     pub fn get_asset_name<T: Asset>(server: &AssetServer, handle: Handle<T>) -> String {
         if let Some(asset_path) = server.get_handle_path(handle.clone()) {
             if let Some(stem) = asset_path.path().file_stem() {

src/ui.rs

@@ -507,7 +507,7 @@ mod scroll {
                     self_hover || child_hover || parent_hover
                 })
                 .for_each(|(_, _, _, mut style)| {
-                    let factor = 2.0;
+                    let factor = 8.0;
                     let val = match unit {
                         MouseScrollUnit::Line => match style.top {
                             Val::Px(v) => v + (y * factor),