feat!: Half-implemented sprite container

- Updated all assets
- Refactored door again
- Half of the sprites are visually broken for now

src/layout/asset/mod.rs

@@ -24,6 +24,7 @@ pub fn load_level (
     level_handle: Res<LevelAssetHandle>,
     mut commands: Commands,
     asset_server: Res<AssetServer>,
+    textures: Res<super::LayoutTextures>,
     level_assets: Res<Assets<structs::LevelAsset>>,
 ) {
     let Some(level) = level_assets.get(&level_handle.0) else {
@@ -61,7 +62,7 @@ pub fn load_level (
         
         for DoorData { pos, facing_left, lock } in level.interactive.doors.iter() {
             let door_pos = vec2(meters(pos.x + 0.5), meters(pos.y));
-            let mut door = parent.spawn(door_bundle(&asset_server, door_pos, *facing_left));
+            let mut door = parent.spawn(door_bundle(&textures, door_pos, *facing_left));
             if let Some(lock_facing_left) = lock {
                 door.with_child(padlock_bundle(&asset_server, *lock_facing_left));
             }
@@ -87,7 +88,7 @@ pub fn load_level (
         for ContainerData { pos, size, items } in level.interactive.containers.iter() {
             let pos = vec2(meters(pos.x), meters(pos.y));
 
-            let mut container = parent.spawn(container_bundle(&asset_server, pos, *size));
+            let mut container = parent.spawn(container_bundle(&textures, pos, *size));
 
             for item in items {
                 // TODO: replace with proper item-by-id system

src/layout/container.rs

@@ -12,8 +12,6 @@ use crate::{
 
 use super::*;
 
-const CRATE_CLOSED_ASSET: &'static str = "sprites/interactive/crate_closed.png";
-
 #[derive(Component, Clone, Copy, Default, Reflect, Debug, PartialEq, Eq)]
 #[reflect(Component, Clone, Default, Debug, PartialEq)]
 #[require(Sprite, InteractiveObject, Inventory)]
@@ -38,15 +36,26 @@ pub fn on_container_interact(
 }
 
 pub fn container_bundle(
-    asset_server: &Res<AssetServer>,
+    textures: &Res<LayoutTextures>,
     position: Vec2,
     inventory_size: UVec2,
 ) -> impl Bundle {
-    let image = asset_server.load(CRATE_CLOSED_ASSET);
+    let texture_atlas = TextureAtlas {
+        layout: textures.container.atlas.clone(),
+        index: textures.container.indices["main"],
+    };
+    let hl_texture_atlas = texture_atlas.clone().with_index(textures.container.indices["highlighted"]);
+    let sprite = Sprite {
+        image: textures.container.image.clone(),
+        texture_atlas: Some(texture_atlas),
+        ..default()
+    };
+    let mut highlight_sprite = sprite.clone();
+    highlight_sprite.texture_atlas = Some(hl_texture_atlas);
     (
         Container,
         Transform::from_xyz(position.x, position.y - meters(0.5), 0.),
-        Sprite::from_image(image),
+        sprite,
         Inventory::new(inventory_size),
         Children::spawn((
             Spawn((
@@ -54,6 +63,11 @@ pub fn container_bundle(
                 Sensor,
                 Transform::from_xyz(0., meters(0.5), 0.),
             )),
+            Spawn((
+                highlight_sprite,
+                Transform::from_xyz(0., 0., 1.),
+                Visibility::Hidden,
+            )),
         )),
         Name::new(format!("Container {}x{}", inventory_size.x, inventory_size.y)),
     )

src/layout/door.rs

@@ -6,12 +6,9 @@ use crate::meters;
 
 use super::*;
 
-const DOOR_OPENED_ASSET: &'static str = "sprites/interactive/door_opened.png";
-const DOOR_CLOSED_ASSET: &'static str = "sprites/interactive/door_closed.png";
-
 #[derive(Component, Clone, Copy, Reflect, PartialEq, Eq, Debug)]
 #[reflect(Component, Clone, Default, PartialEq, Debug)]
-#[require(Sprite, InteractiveObject)]
+#[require(InteractiveObject)]
 pub struct Door(pub i8);
 
 #[derive(Component, Clone, Copy, Reflect, Default, PartialEq, Eq, Debug)]
@@ -19,20 +16,33 @@ pub struct Door(pub i8);
 #[require(Collider, LightOccluder2d)]
 pub struct DoorCollider;
 
+#[derive(Component, Clone, Copy, Reflect, Default, PartialEq, Eq, Debug)]
+#[reflect(Component, Clone, Default, PartialEq, Debug)]
+#[require(Sprite)]
+pub struct DoorHighlight;
+
 impl Default for Door {
     fn default() -> Self {
         Self(1)
     }
 }
 
+impl Door {
+    #[inline(always)]
+    pub fn is_facing_left(&self) -> bool {
+        self.0 < 0
+    }
+}
+
 pub fn on_door_interact(
     event: On<InteractionEvent>,
     mut commands: Commands,
     locked_query: Query<(), With<Locked>>,
     door_query: Query<(&Door, &Children)>,
     door_collider_query: Query<Entity, With<DoorCollider>>,
-    mut sprite_query: Query<(&mut Sprite, &mut Transform)>,
-    asset_server: Res<AssetServer>,
+    mut sprite_query: Query<&mut Transform, With<Sprite>>,
+    highlight_query: Query<(), With<DoorHighlight>>,
+    textures: Res<LayoutTextures>,
 ) {
     if locked_query.get(event.entity).is_ok() {
         return;
@@ -43,13 +53,18 @@ pub fn on_door_interact(
     let maybe_door_collider = children.iter()
         .find_map(|id| if let Ok(id) = door_collider_query.get(id) { Some(id) } else { None } );
     for child in children {
-        if let Ok((mut sprite, mut transform)) = sprite_query.get_mut(*child) {
-            let (image, translation) = if maybe_door_collider.is_none() { (DOOR_CLOSED_ASSET, 0.) }
-                else { (DOOR_OPENED_ASSET, door.0 as f32 * meters(0.5)) };
-            sprite.image = asset_server.load(image);
-            transform.translation.x = translation;
-            break;
+        match sprite_query.get_mut(*child) {
+            Ok(mut transform) => {
+                let translation = if maybe_door_collider.is_none() { 0. }
+                    else { door.0 as f32 * meters(0.5) };
+                transform.translation.x = translation;
+            },
+            Err(_) => continue,
         }
+        let texture = if maybe_door_collider.is_none() { &textures.door_closed } else { &textures.door_opened };
+        let (sprite, highlight_sprite) = door_sprites(texture, door.is_facing_left());
+        let needed_sprite = if highlight_query.get(*child).is_err() { sprite } else { highlight_sprite };
+        commands.entity(*child).insert(needed_sprite);
     }
 
     if let Some(id) = maybe_door_collider {
@@ -68,9 +83,26 @@ pub fn door_collider_bundle() -> impl Bundle {
     )
 }
 
-pub fn door_bundle(asset_server: &Res<AssetServer>, position: Vec2, facing_left: bool) -> impl Bundle {
+fn door_sprites(texture: &AtlasLayoutTexture, facing_left: bool) -> (Sprite, Sprite) {
+    let texture_atlas = TextureAtlas {
+        layout: texture.atlas.clone(),
+        index: texture.indices["main"],
+    };
+    let hl_texture_atlas = texture_atlas.clone().with_index(texture.indices["highlighted"]);
+    let sprite = Sprite {
+        image: texture.image.clone(),
+        flip_x: facing_left,
+        texture_atlas: Some(texture_atlas),
+        ..default()
+    };
+    let mut highlight_sprite = sprite.clone();
+    highlight_sprite.texture_atlas = Some(hl_texture_atlas);
+    (sprite, highlight_sprite)
+}
+
+pub fn door_bundle(textures: &Res<LayoutTextures>, position: Vec2, facing_left: bool) -> impl Bundle {
     let direction = if facing_left { -1 } else { 1 };
-    let image = asset_server.load(DOOR_CLOSED_ASSET);
+    let (sprite, highlight_sprite) = door_sprites(&textures.door_closed, facing_left);
     (
         Door(direction),
         Transform::from_xyz(position.x, position.y, 0.),
@@ -79,17 +111,18 @@ pub fn door_bundle(asset_server: &Res<AssetServer>, position: Vec2, facing_left:
             door_collider_bundle(),
             (
                 Collider::cuboid(meters(0.5), meters(1.)),
+                Transform::default(),
                 Sensor,
-                Transform::from_xyz(0., 0., 0.),
             ),
             (
-                Sprite {
-                    image,
-                    flip_x: facing_left,
-                    ..default()
-                },
-                Transform::from_xyz(0., 0., 0.),
+                sprite,
             ),
+            (
+                highlight_sprite,
+                Transform::from_xyz(0., 0., 1.),
+                DoorHighlight,
+                Visibility::Hidden,
+            )
         ],
     )
 }

src/layout/light.rs

@@ -3,7 +3,7 @@ use bevy_light_2d::prelude::*;
 
 use crate::meters;
 
-const LAMP_IMAGE_PATH: &'static str = "sprites/interactive/lamp.png";
+const LAMP_IMAGE_PATH: &'static str = "sprites/level/lamp.png";
 
 #[derive(Component, Clone, Copy, Default, Reflect, Debug, PartialEq, Eq)]
 #[reflect(Component, Clone, Default, Debug, PartialEq)]

src/layout/mod.rs

@@ -1,3 +1,5 @@
+use std::collections::HashMap;
+
 use bevy::prelude::*;
 
 pub mod asset;
@@ -35,3 +37,38 @@ pub struct LevelAssetHandle(Handle<asset::structs::LevelAsset>);
 pub struct InteractionEvent {
     pub entity: Entity,
 }
+
+#[derive(Reflect, Clone, PartialEq, Eq, Debug, Deref, DerefMut, Default)]
+#[reflect(Clone, PartialEq, Debug, Default)]
+pub struct SingleLayoutTexture(Handle<Image>);
+
+#[derive(Reflect, Clone, PartialEq, Eq, Debug, Default)]
+#[reflect(Clone, PartialEq, Debug, Default)]
+pub struct AtlasLayoutTexture {
+    image: Handle<Image>,
+    atlas: Handle<TextureAtlasLayout>,
+    indices: HashMap<String, usize>,
+}
+
+impl AtlasLayoutTexture {
+    #[inline(always)]
+    pub fn new(
+        image: Handle<Image>,
+        atlas: Handle<TextureAtlasLayout>,
+        indices: HashMap<String, usize>,
+    ) -> Self {
+        Self { image, atlas, indices }
+    }
+}
+
+#[derive(Resource, Reflect, Clone, PartialEq, Eq, Debug, Default)]
+#[reflect(Resource, Clone, PartialEq, Debug, Default)]
+pub struct LayoutTextures {
+    pub container: AtlasLayoutTexture,
+    pub door_closed: AtlasLayoutTexture,
+    pub door_opened: AtlasLayoutTexture,
+    pub light: SingleLayoutTexture,
+    pub lock: AtlasLayoutTexture,
+    pub stairs: AtlasLayoutTexture,
+    pub tilemap: SingleLayoutTexture,
+}

src/layout/systems.rs

@@ -91,3 +91,50 @@ pub fn setup_world(
     let level_handle = asset_server.load(startup_args.level.clone());
     commands.insert_resource(LevelAssetHandle(level_handle));
 }
+
+fn double_atlas(
+    atlases: &mut ResMut<Assets<TextureAtlasLayout>>,
+    indices: &mut HashMap<String, usize>,
+    single_size: UVec2
+) -> Handle<TextureAtlasLayout> {
+    let mut atlas = TextureAtlasLayout::new_empty(uvec2(single_size.x * 2, single_size.y));
+    indices.insert(
+        "main".to_owned(),
+        atlas.add_texture(URect::from_corners(
+            uvec2(0, 0),
+            uvec2(single_size.x, single_size.y)
+        )),
+    );
+    indices.insert(
+        "highlighted".to_owned(),
+        atlas.add_texture(URect::from_corners(
+            uvec2(single_size.x, 0),
+            uvec2(single_size.x * 2, single_size.y)
+        )),
+    );
+    atlases.add(atlas)
+}
+
+pub fn load_layout_textures(
+    asset_server: Res<AssetServer>,
+    mut atlases: ResMut<Assets<TextureAtlasLayout>>,
+    mut textures: ResMut<LayoutTextures>,
+) {
+    // Container
+    let image = asset_server.load("sprites/interactive/container.png");
+    let mut indices = HashMap::new();
+    let atlas = double_atlas(&mut atlases, &mut indices, uvec2(32, 16));
+    textures.container = AtlasLayoutTexture::new(image, atlas, indices);
+    
+    // Closed door
+    let image = asset_server.load("sprites/interactive/door_closed.png");
+    let mut indices = HashMap::new();
+    let atlas = double_atlas(&mut atlases, &mut indices, uvec2(4, 32));
+    textures.door_closed = AtlasLayoutTexture::new(image, atlas, indices);
+
+    // Opened door
+    let image = asset_server.load("sprites/interactive/door_opened.png");
+    let mut indices = HashMap::new();
+    let atlas = double_atlas(&mut atlases, &mut indices, uvec2(16, 32));
+    textures.door_opened = AtlasLayoutTexture::new(image, atlas, indices);
+}

src/lib.rs

@@ -110,9 +110,11 @@ impl Plugin for ExpeditionPlugin {
             .init_state::<LoadingState>()
             .init_state::<GameState>()
             .insert_resource(ui::WindowSize::default())
+            .insert_resource(layout::LayoutTextures::default())
             .add_systems(Startup, (
                 setup_global,
                 layout::systems::setup_world,
+                layout::systems::load_layout_textures,
             ))
             .add_systems(Update, (
                 insert_entity_name,

src/tests/level.rs

@@ -7,8 +7,8 @@ use crate::layout::asset::structs::LevelAsset;
 fn deserialize_from_str() {
     let level_str = include_str!("../../assets/levels/level.toml");
     let level_alt_str = include_str!("../../assets/levels/level_alt.toml");
-    let level = toml::de::from_str::<LevelAsset>(level_str).unwrap();
-    let level_alt = toml::de::from_str::<LevelAsset>(level_alt_str).unwrap();
+    let _ = toml::de::from_str::<LevelAsset>(level_str).unwrap();
+    let _ = toml::de::from_str::<LevelAsset>(level_alt_str).unwrap();
 }
 
 #[test]