Asset previewer

bevy_editor_panes/bevy_asset_browser/Cargo.toml

@@ -7,6 +7,7 @@ edition = "2024"
 
 [dependencies]
 bevy.workspace = true
+bevy_asset_preview.workspace = true
 bevy_editor_styles.workspace = true
 bevy_pane_layout.workspace = true
 bevy_scroll_box.workspace = true

bevy_editor_panes/bevy_asset_browser/src/lib.rs

@@ -10,6 +10,7 @@ use bevy::{
     },
     prelude::*,
 };
+use bevy_asset_preview::AssetPreviewPlugin;
 use bevy_pane_layout::prelude::*;
 use bevy_scroll_box::ScrollBoxPlugin;
 use ui::top_bar::location_as_changed;
@@ -69,6 +70,8 @@ impl Plugin for AssetBrowserPanePlugin {
                 )
                     .run_if(location_as_changed),
             );
+
+        app.add_plugins(AssetPreviewPlugin);
     }
 }
 

bevy_editor_panes/bevy_asset_browser/src/ui/nodes.rs

@@ -7,6 +7,7 @@ use bevy::{
     prelude::*,
     window::SystemCursorIcon,
 };
+use bevy_asset_preview::PreviewAsset;
 use bevy_context_menu::{ContextMenu, ContextMenuOption};
 use bevy_editor_styles::Theme;
 
@@ -177,7 +178,7 @@ pub(crate) fn spawn_file_node<'a>(
 
     // Icon
     commands.spawn((
-        ImageNode::new(asset_server.load("embedded://bevy_asset_browser/assets/file_icon.png")),
+        PreviewAsset(location.path.join(&file_name)),
         Node {
             height: Val::Px(50.0),
             ..default()

crates/bevy_asset_preview/Cargo.toml

@@ -4,4 +4,11 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
-bevy.workspace = true
+bevy = { workspace = true, features = ["webp"] }
+image = "0.25"
+thiserror.workspace = true
+
+[dev-dependencies]
+tempfile = "3"
+gltf = "1"
+bytemuck = "1"

crates/bevy_asset_preview/src/asset/error.rs

@@ -0,0 +1,41 @@
+use std::path::PathBuf;
+
+use bevy::{
+    asset::AssetPath,
+    prelude::{Handle, Image},
+};
+use thiserror::Error;
+
+/// Errors that can occur during asset operations.
+#[derive(Error, Debug, Clone)]
+pub enum AssetError {
+    #[error("Image not found: {handle:?}")]
+    ImageNotFound { handle: Handle<Image> },
+
+    #[error("Failed to convert image to dynamic format: {0}")]
+    ImageConversionFailed(String),
+
+    #[error("Failed to encode image to {format}: {reason}")]
+    ImageEncodeFailed { format: String, reason: String },
+
+    #[error("Failed to create directory {path:?}: {reason}")]
+    DirectoryCreationFailed { path: PathBuf, reason: String },
+
+    #[error("Failed to write file to {path:?}: {reason}")]
+    FileWriteFailed { path: PathBuf, reason: String },
+
+    #[error("Asset load failed for {path:?}: {reason}")]
+    AssetLoadFailed {
+        path: AssetPath<'static>,
+        reason: String,
+    },
+
+    #[error("Asset was removed (possibly failed to load): {path:?}")]
+    AssetRemoved { path: AssetPath<'static> },
+
+    #[error("IO error: {0}")]
+    Io(String),
+
+    #[error("Asset writer error: {0}")]
+    AssetWriter(String),
+}