feat(floor): add NextFloor component

src/floor/components.rs

@@ -8,6 +8,10 @@ pub struct Floor(pub u8);
 #[reflect(Component)]
 pub struct CurrentFloor;
 
+#[derive(Debug, Reflect, Component)]
+#[reflect(Component)]
+pub struct NextFloor;
+
 impl Default for Floor {
     fn default() -> Self {
         Self(1)
@@ -15,11 +19,11 @@ impl Default for Floor {
 }
 
 impl Floor {
-    pub fn increase(&self) -> Self {
+    pub fn increased(&self) -> Self {
         Self(self.0.saturating_add(1))
     }
 
-    pub fn decrease(&self) -> Self {
+    pub fn decreased(&self) -> Self {
         Self(self.0.saturating_sub(1).max(1))
     }
 }
@@ -36,7 +40,7 @@ mod tests {
     #[case(255, 255)]
     fn increase(#[case] input: u8, #[case] expected: u8) {
         let floor = Floor(input);
-        assert_eq!(*floor.increase(), expected);
+        assert_eq!(*floor.increased(), expected);
     }
 
     #[rstest]
@@ -46,6 +50,6 @@ mod tests {
     #[case(255, 254)]
     fn decrease(#[case] input: u8, #[case] expected: u8) {
         let floor = Floor(input);
-        assert_eq!(*floor.decrease(), expected);
+        assert_eq!(*floor.decreased(), expected);
     }
 }

src/floor/systems/despawn.rs

@@ -1,3 +1,3 @@
 use bevy::prelude::*;
 
-pub(super) fn despawn_level(mut commands: Commands) {}
+pub(super) fn despawn_floor(mut commands: Commands) {}

src/floor/systems/mod.rs

@@ -1,14 +1,18 @@
 mod despawn;
+mod movement;
 mod spawn;
 
 use crate::maze::MazePluginLoaded;
 use bevy::prelude::*;
-use despawn::despawn_level;
+use despawn::despawn_floor;
+use movement::floor_movement;
 use spawn::spawn_floor;
 
 pub(super) fn plugin(app: &mut App) {
     app.add_systems(
         Update,
-        (spawn_floor, despawn_level).run_if(resource_exists::<MazePluginLoaded>),
+        (spawn_floor, despawn_floor, floor_movement)
+            .chain()
+            .run_if(resource_exists::<MazePluginLoaded>),
     );
 }

src/floor/systems/movement.rs

@@ -0,0 +1,59 @@
+use bevy::prelude::*;
+
+use crate::{
+    floor::{
+        components::{CurrentFloor, NextFloor},
+        events::TransitionFloor,
+    },
+    maze::{components::Maze, GlobalMazeConfig},
+    player::components::{MovementSpeed, Player},
+};
+
+pub(super) fn floor_movement(
+    mut commands: Commands,
+    mut maze_transforms: Query<(Entity, &mut Transform), With<Maze>>,
+    current_floor: Query<Entity, With<CurrentFloor>>,
+    next_floor: Query<Entity, With<NextFloor>>,
+    player_query: Query<&MovementSpeed, With<Player>>,
+    time: Res<Time>,
+    global_config: Res<GlobalMazeConfig>,
+    mut event_reader: EventReader<TransitionFloor>,
+) {
+    let speed = player_query.get_single().map(|s| s.0).unwrap_or(100.);
+    let movement_distance = speed * time.delta_secs();
+
+    for event in event_reader.read() {
+        let (direction, target_y) = match event {
+            TransitionFloor::Ascend => (Vec3::Y, -global_config.height),
+            TransitionFloor::Descent => (Vec3::NEG_Y, global_config.height),
+        };
+
+        let movement = direction * movement_distance;
+
+        for (_, mut transform) in maze_transforms.iter_mut() {
+            transform.translation += movement;
+        }
+
+        let is_movement_complete = maze_transforms
+            .iter()
+            .any(|(_, t)| t.translation.y.abs() >= target_y.abs());
+
+        if is_movement_complete {
+            if let Ok(current_floor_entity) = current_floor.get_single() {
+                commands
+                    .entity(current_floor_entity)
+                    .remove::<CurrentFloor>();
+            }
+
+            if let Ok(next_floor_entity) = next_floor.get_single() {
+                if let Ok((entity, mut transform)) = maze_transforms.get_mut(next_floor_entity) {
+                    transform.translation.y = 0.;
+                    commands
+                        .entity(entity)
+                        .remove::<NextFloor>()
+                        .insert(CurrentFloor);
+                }
+            }
+        }
+    }
+}

src/floor/systems/spawn.rs

@@ -1,5 +1,3 @@
-use bevy::prelude::*;
-
 use crate::{
     floor::{
         components::{CurrentFloor, Floor},
@@ -7,30 +5,30 @@ use crate::{
     },
     maze::events::SpawnMaze,
 };
+use bevy::prelude::*;
 
 pub(super) fn spawn_floor(
     mut commands: Commands,
-    query: Query<(Entity, &Floor), With<CurrentFloor>>,
+    query: Query<&mut Floor, With<CurrentFloor>>,
     mut event_reader: EventReader<TransitionFloor>,
 ) {
-    let Ok((entity, floor)) = query.get_single() else {
+    let Ok(floor) = query.get_single() else {
         return;
     };
 
     for event in event_reader.read() {
-        dbg!(event);
         let floor = match event {
-            TransitionFloor::Ascend => *floor.increase(),
-            TransitionFloor::Descent => *floor.decrease(),
+            TransitionFloor::Ascend => *floor.increased(),
+            TransitionFloor::Descent => *floor.decreased(),
         };
 
         if floor == 1 {
+            warn!("Cannot descend below floor 1");
             return;
         }
 
         info!("Creating level for floor {}", floor);
 
-        commands.entity(entity).remove::<CurrentFloor>();
         commands.trigger(SpawnMaze { floor, ..default() });
     }
 }

src/maze/systems/setup.rs

@@ -1,6 +1,53 @@
-use crate::maze::events::SpawnMaze;
+use crate::{
+    floor::components::{CurrentFloor, Floor},
+    maze::{
+        assets::MazeAssets,
+        components::Maze,
+        events::SpawnMaze,
+        triggers::{
+            common::generate_maze,
+            spawn::{spawn_maze_tiles, FLOOR_Y_OFFSET},
+        },
+        GlobalMazeConfig,
+    },
+};
 use bevy::prelude::*;
 
-pub(crate) fn setup(mut commands: Commands) {
-    commands.trigger(SpawnMaze::default());
+pub(crate) fn setup(
+    mut commands: Commands,
+    mut meshes: ResMut<Assets<Mesh>>,
+    mut materials: ResMut<Assets<StandardMaterial>>,
+    maze_query: Query<(Entity, &Floor, &Maze)>,
+    global_config: Res<GlobalMazeConfig>,
+) {
+    let SpawnMaze { floor, config } = SpawnMaze::default();
+    if maze_query.iter().any(|(_, f, _)| f.0 == floor) {
+        warn!("Floor {} already exists, skipping creation", floor);
+        return;
+    }
+
+    let maze = generate_maze(&config).expect("Failed to generate maze during spawn");
+    let y_offset = (floor - 1) * FLOOR_Y_OFFSET;
+
+    let entity = commands
+        .spawn((
+            Name::new(format!("Floor {}", floor)),
+            Maze(maze.clone()),
+            Floor(floor),
+            CurrentFloor,
+            config.clone(),
+            Transform::from_translation(Vec3::ZERO.with_y(y_offset as f32)),
+            Visibility::Visible,
+        ))
+        .id();
+
+    let assets = MazeAssets::new(&mut meshes, &mut materials, &global_config);
+    spawn_maze_tiles(
+        &mut commands,
+        entity,
+        &maze,
+        &assets,
+        &config,
+        &global_config,
+    );
 }

src/maze/triggers/mod.rs

@@ -1,7 +1,7 @@
 pub mod common;
 mod despawn;
 mod respawn;
-mod spawn;
+pub mod spawn;
 
 use bevy::prelude::*;
 use despawn::despawn_maze;

src/maze/triggers/spawn.rs

@@ -1,5 +1,5 @@
 use crate::{
-    floor::components::{CurrentFloor, Floor},
+    floor::components::{CurrentFloor, Floor, NextFloor},
     maze::{
         assets::MazeAssets,
         components::{Maze, MazeConfig, Tile, Wall},
@@ -14,7 +14,7 @@ use std::f32::consts::{FRAC_PI_2, FRAC_PI_3, FRAC_PI_6};
 
 use super::common::generate_maze;
 
-const FLOOR_Y_OFFSET: u8 = 100;
+pub(crate) const FLOOR_Y_OFFSET: u8 = 100;
 
 pub(super) fn spawn_maze(
     trigger: Trigger<SpawnMaze>,
@@ -38,7 +38,7 @@ pub(super) fn spawn_maze(
             Name::new(format!("Floor {}", floor)),
             Maze(maze.clone()),
             Floor(*floor),
-            CurrentFloor, // TODO: remove
+            NextFloor,
             config.clone(),
             Transform::from_translation(Vec3::ZERO.with_y(y_offset as f32)),
             Visibility::Visible,
@@ -56,7 +56,7 @@ pub(super) fn spawn_maze(
     );
 }
 
-pub(super) fn spawn_maze_tiles(
+pub(crate) fn spawn_maze_tiles(
     commands: &mut Commands,
     parent_entity: Entity,
     maze: &HexMaze,

src/player/systems/ascend.rs

@@ -1,10 +1,9 @@
-use bevy::prelude::*;
-
 use crate::{
     floor::{components::CurrentFloor, events::TransitionFloor},
     maze::components::MazeConfig,
     player::components::{CurrentPosition, Player},
 };
+use bevy::prelude::*;
 
 pub(super) fn ascend_player(
     query: Query<&CurrentPosition, With<Player>>,

src/player/systems/mod.rs

@@ -3,7 +3,6 @@ mod descend;
 mod input;
 mod movement;
 pub mod setup;
-mod transition_floor;
 
 use crate::maze::MazePluginLoaded;
 use ascend::ascend_player;