upgrade rectangle pack (bevyengine#673)

crates/bevy_asset/src/handle.rs

@@ -1,4 +1,5 @@
 use std::{
+    cmp::Ordering,
     fmt::Debug,
     hash::{Hash, Hasher},
 };
@@ -13,7 +14,9 @@ pub(crate) const DEFAULT_HANDLE_ID: HandleId =
     HandleId(Uuid::from_u128(240940089166493627844978703213080810552));
 
 /// A unique id that corresponds to a specific asset in the [Assets](crate::Assets) collection.
-#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash, Serialize, Deserialize, Property)]
+#[derive(
+    Debug, Clone, Copy, Eq, PartialOrd, Ord, PartialEq, Hash, Serialize, Deserialize, Property,
+)]
 pub struct HandleId(pub Uuid);
 
 impl HandleId {
@@ -133,6 +136,18 @@ impl<T> PartialEq for Handle<T> {
 
 impl<T> Eq for Handle<T> {}
 
+impl<T> PartialOrd for Handle<T> {
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+        Some(self.id.cmp(&other.id))
+    }
+}
+
+impl<T> Ord for Handle<T> {
+    fn cmp(&self, other: &Self) -> Ordering {
+        self.id.cmp(&other.id)
+    }
+}
+
 impl<T> Debug for Handle<T> {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
         let name = std::any::type_name::<T>().split("::").last().unwrap();

crates/bevy_sprite/Cargo.toml

@@ -25,6 +25,6 @@ bevy_type_registry = { path = "../bevy_type_registry", version = "0.2.1" }
 bevy_utils = { path = "../bevy_utils", version = "0.2.1" }
 
 # other
-rectangle-pack = "0.1"
+rectangle-pack = "0.2"
 thiserror = "1.0"
 guillotiere = "0.6.0"

crates/bevy_sprite/src/texture_atlas_builder.rs

@@ -89,7 +89,7 @@ impl TextureAtlasBuilder {
                 rect_placements = None;
                 break;
             }
-            let mut target_bins = std::collections::HashMap::new();
+            let mut target_bins = std::collections::BTreeMap::new();
             target_bins.insert(0, TargetBin::new(current_width, current_height, 1));
             atlas_texture = Texture::new_fill(
                 Vec2::new(current_width as f32, current_height as f32),