Resize mode component for Sprite

Adds a 'resize_mode' field for 'SpriteComponents' bundle.
This allows different resize handling based on 'SpriteResizeMode' value.

Co-authored-by: Marcel Müller <neikos@neikos.email>

crates/bevy_sprite/src/entity.rs

@@ -1,6 +1,7 @@
 use crate::{
-    render::SPRITE_PIPELINE_HANDLE, sprite::Sprite, ColorMaterial, TextureAtlas,
-    TextureAtlasSprite, QUAD_HANDLE, SPRITE_SHEET_PIPELINE_HANDLE,
+    render::SPRITE_PIPELINE_HANDLE,
+    sprite::{Sprite, SpriteResizeMode},
+    ColorMaterial, TextureAtlas, TextureAtlasSprite, QUAD_HANDLE, SPRITE_SHEET_PIPELINE_HANDLE,
 };
 use bevy_asset::Handle;
 use bevy_ecs::Bundle;
@@ -15,6 +16,7 @@ use bevy_transform::prelude::{Rotation, Scale, Transform, Translation};
 #[derive(Bundle)]
 pub struct SpriteComponents {
     pub sprite: Sprite,
+    pub resize_mode: SpriteResizeMode,
     pub mesh: Handle<Mesh>, // TODO: maybe abstract this out
     pub material: Handle<ColorMaterial>,
     pub main_pass: MainPass,
@@ -53,6 +55,7 @@ impl Default for SpriteComponents {
                 ..Default::default()
             },
             sprite: Default::default(),
+            resize_mode: Default::default(),
             main_pass: MainPass,
             material: Default::default(),
             transform: Default::default(),

crates/bevy_sprite/src/lib.rs

@@ -20,7 +20,7 @@ pub use texture_atlas_builder::*;
 pub mod prelude {
     pub use crate::{
         entity::{SpriteComponents, SpriteSheetComponents},
-        ColorMaterial, Sprite, TextureAtlas, TextureAtlasSprite,
+        ColorMaterial, Sprite, SpriteResizeMode, TextureAtlas, TextureAtlasSprite,
     };
 }
 

crates/bevy_sprite/src/sprite.rs

@@ -15,19 +15,37 @@ pub struct Sprite {
     pub size: Vec2,
 }
 
+/// Determines how `Sprite` resize should be handled
+#[derive(Debug)]
+pub enum SpriteResizeMode {
+    Manual,
+    Automatic,
+}
+
+impl Default for SpriteResizeMode {
+    fn default() -> Self {
+        SpriteResizeMode::Automatic
+    }
+}
+
 // SAFE: sprite is repr(C) and only consists of byteables
 unsafe impl Byteable for Sprite {}
 
 pub fn sprite_system(
     materials: Res<Assets<ColorMaterial>>,
     textures: Res<Assets<Texture>>,
-    mut query: Query<(&mut Sprite, &Handle<ColorMaterial>)>,
+    mut query: Query<(&mut Sprite, &SpriteResizeMode, &Handle<ColorMaterial>)>,
 ) {
-    for (mut sprite, handle) in &mut query.iter() {
-        let material = materials.get(&handle).unwrap();
-        if let Some(texture_handle) = material.texture {
-            if let Some(texture) = textures.get(&texture_handle) {
-                sprite.size = texture.size;
+    for (mut sprite, resize_mode, handle) in &mut query.iter() {
+        match resize_mode {
+            SpriteResizeMode::Manual => continue,
+            SpriteResizeMode::Automatic => {
+                let material = materials.get(&handle).unwrap();
+                if let Some(texture_handle) = material.texture {
+                    if let Some(texture) = textures.get(&texture_handle) {
+                        sprite.size = texture.size;
+                    }
+                }
             }
         }
     }