Merge pull request #9 from kristoferssolo/feature/event-based-spawns

Feature/event based spawns

Cargo.lock

@@ -176,6 +176,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "anyhow"
+version = "1.0.94"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1fd03a028ef38ba2276dce7e33fcd6369c158a1bca17946c4b1b701891c1ff7"
+
 [[package]]
 name = "approx"
 version = "0.5.1"
@@ -3079,6 +3085,7 @@ dependencies = [
 name = "maze-ascension"
 version = "0.2.0"
 dependencies = [
+ "anyhow",
  "bevy",
  "bevy-inspector-egui",
  "bevy_egui",

Cargo.toml

@@ -22,6 +22,7 @@ hexlab = { version = "0.3", features = ["bevy"] }
 bevy-inspector-egui = { version = "0.28", optional = true }
 bevy_egui = { version = "0.31", optional = true }
 thiserror = "2.0"
+anyhow = "1"
 
 
 [features]

src/dev_tools/ui/maze_controls.rs

@@ -1,6 +1,7 @@
 use crate::{
-    maze::{events::RecreateMazeEvent, MazeConfig, MazePluginLoaded},
-    player::events::RespawnPlayer,
+    floor::components::{CurrentFloor, Floor},
+    maze::{components::MazeConfig, events::MazeEvent, GlobalMazeConfig, MazePluginLoaded},
+    player::events::PlayerEvent,
 };
 use bevy::{prelude::*, window::PrimaryWindow};
 use bevy_egui::{
@@ -22,42 +23,50 @@ pub(crate) fn maze_controls_ui(world: &mut World) {
     else {
         return;
     };
-
     let mut egui_context = egui_context.clone();
 
+    let Ok((maze_config, floor)) = world
+        .query_filtered::<(&MazeConfig, &Floor), With<CurrentFloor>>()
+        .get_single(world)
+    else {
+        return;
+    };
+    let mut maze_config = maze_config.clone();
+    let floor_value = floor.0;
+
+    let mut changed = false;
+
     egui::Window::new("Maze Controls").show(egui_context.get_mut(), |ui| {
-        if let Some(mut maze_config) = world.get_resource_mut::<MazeConfig>() {
-            let mut changed = false;
+        if let Some(mut global_config) = world.get_resource_mut::<GlobalMazeConfig>() {
             ui.heading("Maze Configuration");
 
             changed |= add_seed_control(ui, &mut maze_config.seed);
-
             changed |= add_drag_value_control(ui, "Radius:", &mut maze_config.radius, 1.0, 1..=100);
             changed |=
-                add_drag_value_control(ui, "Height:", &mut maze_config.height, 0.5, 1.0..=50.0);
+                add_drag_value_control(ui, "Height:", &mut global_config.height, 0.5, 1.0..=50.0);
             changed |= add_drag_value_control(
                 ui,
                 "Hex Size:",
-                &mut maze_config.hex_size,
+                &mut global_config.hex_size,
                 1.0,
                 1.0..=100.0,
             );
-
             changed |= add_orientation_control(ui, &mut maze_config.layout.orientation);
-
             changed |= add_position_control(ui, "Start Position:", &mut maze_config.start_pos);
             changed |= add_position_control(ui, "End Position:", &mut maze_config.end_pos);
 
-            // Trigger recreation if any value changed
+            // Handle updates
             if changed {
-                maze_config.update();
-                if let Some(mut event_writer) =
-                    world.get_resource_mut::<Events<RecreateMazeEvent>>()
-                {
-                    event_writer.send(RecreateMazeEvent { floor: 1 });
+                maze_config.update(&global_config);
+
+                if let Some(mut event_writer) = world.get_resource_mut::<Events<MazeEvent>>() {
+                    event_writer.send(MazeEvent::Recreate {
+                        floor: floor_value,
+                        config: maze_config,
+                    });
                 }
-                if let Some(mut event_writer) = world.get_resource_mut::<Events<RespawnPlayer>>() {
-                    event_writer.send(RespawnPlayer);
+                if let Some(mut event_writer) = world.get_resource_mut::<Events<PlayerEvent>>() {
+                    event_writer.send(PlayerEvent::Respawn);
                 }
             }
         }

src/floor/components.rs

@@ -0,0 +1,19 @@
+use bevy::prelude::*;
+
+#[derive(Debug, Reflect, Component)]
+#[reflect(Component)]
+pub struct Floor(pub u8);
+
+#[derive(Debug, Reflect, Component)]
+#[reflect(Component)]
+pub struct TargetFloor(pub u8);
+
+#[derive(Debug, Reflect, Component)]
+#[reflect(Component)]
+pub struct CurrentFloor;
+
+impl Default for Floor {
+    fn default() -> Self {
+        Self(1)
+    }
+}

src/floor/mod.rs

@@ -0,0 +1,6 @@
+pub mod components;
+mod systems;
+
+use bevy::prelude::*;
+
+pub(super) fn plugin(app: &mut App) {}

src/floor/systems/mod.rs

@@ -0,0 +1 @@
+mod spawn;

src/lib.rs

@@ -2,8 +2,9 @@ mod asset_tracking;
 pub mod audio;
 #[cfg(feature = "dev")]
 mod dev_tools;
-mod maze;
-mod player;
+pub mod floor;
+pub mod maze;
+pub mod player;
 mod screens;
 pub mod theme;
 

src/maze/assets.rs

@@ -1,4 +1,4 @@
-use super::MazeConfig;
+use super::resources::GlobalMazeConfig;
 use bevy::prelude::*;
 use std::f32::consts::FRAC_PI_2;
 
@@ -17,13 +17,16 @@ impl MazeAssets {
     pub(crate) fn new(
         meshes: &mut ResMut<Assets<Mesh>>,
         materials: &mut ResMut<Assets<StandardMaterial>>,
-        config: &MazeConfig,
+        global_config: &GlobalMazeConfig,
     ) -> MazeAssets {
         MazeAssets {
-            hex_mesh: meshes.add(generate_hex_mesh(config.hex_size, config.height)),
+            hex_mesh: meshes.add(generate_hex_mesh(
+                global_config.hex_size,
+                global_config.height,
+            )),
             wall_mesh: meshes.add(generate_square_mesh(
-                config.hex_size + config.wall_size() / WALL_OVERLAP_MODIFIER,
-                config.wall_size(),
+                global_config.hex_size + global_config.wall_size() / WALL_OVERLAP_MODIFIER,
+                global_config.wall_size(),
             )),
             hex_material: materials.add(white_material()),
             wall_material: materials.add(Color::BLACK),

src/maze/components.rs

@@ -1,18 +1,90 @@
+use crate::floor::components::Floor;
+
+use super::{errors::MazeConfigError, GlobalMazeConfig};
 use bevy::prelude::*;
 use hexlab::HexMaze;
+use hexx::{Hex, HexLayout, HexOrientation};
+use rand::{rngs::StdRng, thread_rng, Rng, SeedableRng};
 
 #[derive(Debug, Reflect, Component)]
 #[reflect(Component)]
-pub(crate) struct Maze(pub(crate) HexMaze);
+#[require(MazeConfig, Floor)]
+pub struct Maze(pub HexMaze);
 
 #[derive(Debug, Reflect, Component)]
 #[reflect(Component)]
-pub(crate) struct Floor(pub(crate) u8);
+pub struct Tile;
 
 #[derive(Debug, Reflect, Component)]
 #[reflect(Component)]
-pub(crate) struct Tile;
+pub struct Wall;
 
-#[derive(Debug, Reflect, Component)]
+#[derive(Debug, Reflect, Component, Clone)]
 #[reflect(Component)]
-pub(crate) struct Wall;
+pub struct MazeConfig {
+    pub radius: u32,
+    pub start_pos: Hex,
+    pub end_pos: Hex,
+    pub seed: u64,
+    pub layout: HexLayout,
+}
+
+impl MazeConfig {
+    fn new(
+        radius: u32,
+        orientation: HexOrientation,
+        seed: Option<u64>,
+        global_conig: &GlobalMazeConfig,
+    ) -> Result<Self, MazeConfigError> {
+        let seed = seed.unwrap_or_else(|| thread_rng().gen());
+        let mut rng = StdRng::seed_from_u64(seed);
+
+        let start_pos = generate_pos(radius, &mut rng)?;
+        let end_pos = generate_pos(radius, &mut rng)?;
+
+        info!("Start pos: (q={}, r={})", start_pos.x, start_pos.y);
+        info!("End pos: (q={}, r={})", end_pos.x, end_pos.y);
+
+        let layout = HexLayout {
+            orientation,
+            hex_size: Vec2::splat(global_conig.hex_size),
+            ..default()
+        };
+
+        Ok(Self {
+            radius,
+            start_pos,
+            end_pos,
+            seed,
+            layout,
+        })
+    }
+
+    pub fn new_unchecked(
+        radius: u32,
+        orientation: HexOrientation,
+        seed: Option<u64>,
+        global_conig: &GlobalMazeConfig,
+    ) -> Self {
+        Self::new(radius, orientation, seed, global_conig)
+            .expect("Failed to create MazeConfig with supposedly safe values")
+    }
+
+    pub fn update(&mut self, global_conig: &GlobalMazeConfig) {
+        self.layout.hex_size = Vec2::splat(global_conig.hex_size);
+    }
+}
+
+impl Default for MazeConfig {
+    fn default() -> Self {
+        Self::new_unchecked(7, HexOrientation::Flat, None, &GlobalMazeConfig::default())
+    }
+}
+
+fn generate_pos<R: Rng>(radius: u32, rng: &mut R) -> Result<Hex, MazeConfigError> {
+    let radius = i32::try_from(radius)?;
+    Ok(Hex::new(
+        rng.gen_range(-radius..radius),
+        rng.gen_range(-radius..radius),
+    ))
+}

src/maze/errors.rs

@@ -0,0 +1,38 @@
+use std::num::TryFromIntError;
+use thiserror::Error;
+
+#[derive(Debug, Error)]
+pub enum MazeConfigError {
+    #[error("Failed to convert radius from u32 to i32: {0}")]
+    RadiusConverions(#[from] TryFromIntError),
+    #[error("Invalid maze configuration: {0}")]
+    InvalidConfig(String),
+}
+
+#[derive(Debug, Error)]
+pub enum MazeError {
+    #[error("Floor {0} not found")]
+    FloorNotFound(u8),
+    #[error("Failed to generate maze with config: {radius}, seed: {seed}")]
+    GenerationFailed { radius: u32, seed: u64 },
+    #[error("Invalid tile entity: {0:?}")]
+    TileNotFound(bevy::prelude::Entity),
+    #[error("Failed to create maze assets")]
+    AssetCreationFailed,
+    #[error("Invalid maze configuration: {0}")]
+    ConfigurationError(String),
+    #[error(transparent)]
+    Other(#[from] anyhow::Error),
+}
+
+pub type MazeResult<T> = Result<T, MazeError>;
+
+impl MazeError {
+    pub fn config_error(msg: impl Into<String>) -> Self {
+        Self::ConfigurationError(msg.into())
+    }
+
+    pub fn generation_failed(radius: u32, seed: u64) -> Self {
+        Self::GenerationFailed { radius, seed }
+    }
+}

src/maze/events.rs

@@ -1,6 +1,10 @@
 use bevy::prelude::*;
 
+use super::components::MazeConfig;
+
 #[derive(Debug, Event)]
-pub(crate) struct RecreateMazeEvent {
-    pub(crate) floor: u8,
+pub enum MazeEvent {
+    Create { floor: u8, config: MazeConfig },
+    Recreate { floor: u8, config: MazeConfig },
+    Remove { floor: u8 },
 }

src/maze/mod.rs

@@ -1,20 +1,23 @@
-use bevy::{ecs::system::RunSystemOnce, prelude::*};
-use events::RecreateMazeEvent;
 mod assets;
 pub mod components;
+pub mod errors;
 pub mod events;
-mod resources;
+pub mod resources;
 mod systems;
 
-pub use resources::{MazeConfig, MazePluginLoaded};
+use bevy::{ecs::system::RunSystemOnce, prelude::*};
+use components::Maze;
+use events::MazeEvent;
+pub use resources::{GlobalMazeConfig, MazePluginLoaded};
 
 pub(super) fn plugin(app: &mut App) {
-    app.init_resource::<MazeConfig>()
-        .add_event::<RecreateMazeEvent>()
+    app.init_resource::<GlobalMazeConfig>()
+        .add_event::<MazeEvent>()
+        .register_type::<Maze>()
         .add_plugins(systems::plugin);
 }
 
 pub fn spawn_level_command(world: &mut World) {
-    world.insert_resource(MazePluginLoaded);
     let _ = world.run_system_once(systems::setup::setup);
+    world.insert_resource(MazePluginLoaded);
 }

src/maze/resources.rs

@@ -1,76 +1,18 @@
 use bevy::prelude::*;
-use hexx::{Hex, HexLayout, HexOrientation};
-use rand::{rngs::StdRng, thread_rng, Rng, SeedableRng};
-use std::num::TryFromIntError;
-use thiserror::Error;
 
 #[derive(Debug, Default, Reflect, Resource)]
 #[reflect(Resource)]
 pub struct MazePluginLoaded;
 
-#[derive(Debug, Error)]
-pub enum MazeConfigError {
-    #[error("Failed to convert radius from u32 to i32: {0}")]
-    RadiusConverions(#[from] TryFromIntError),
-}
-
-#[derive(Debug, Reflect, Resource)]
+#[derive(Debug, Reflect, Resource, Clone)]
 #[reflect(Resource)]
-pub struct MazeConfig {
-    pub radius: u32,
-    pub height: f32,
+pub struct GlobalMazeConfig {
     pub hex_size: f32,
-    pub start_pos: Hex,
-    pub end_pos: Hex,
-    pub seed: u64,
-    pub layout: HexLayout,
+    pub wall_thickness: f32,
+    pub height: f32,
 }
 
-impl MazeConfig {
-    fn new(
-        radius: u32,
-        height: f32,
-        hex_size: f32,
-        orientation: HexOrientation,
-        seed: Option<u64>,
-    ) -> Result<Self, MazeConfigError> {
-        let seed = seed.unwrap_or_else(|| thread_rng().gen());
-        let mut rng = StdRng::seed_from_u64(seed);
-
-        let start_pos = generate_pos(radius, &mut rng)?;
-        let end_pos = generate_pos(radius, &mut rng)?;
-
-        info!("Start pos: (q={}, r={})", start_pos.x, start_pos.y);
-        info!("End pos: (q={}, r={})", end_pos.x, end_pos.y);
-
-        let layout = HexLayout {
-            orientation,
-            hex_size: Vec2::splat(hex_size),
-            ..default()
-        };
-
-        Ok(Self {
-            radius,
-            height,
-            hex_size,
-            start_pos,
-            end_pos,
-            seed,
-            layout,
-        })
-    }
-
-    pub fn new_unchecked(
-        radius: u32,
-        height: f32,
-        hex_size: f32,
-        orientation: HexOrientation,
-        seed: Option<u64>,
-    ) -> Self {
-        Self::new(radius, height, hex_size, orientation, seed)
-            .expect("Failed to create MazeConfig with supposedly safe values")
-    }
-
+impl GlobalMazeConfig {
     pub fn wall_size(&self) -> f32 {
         self.hex_size / 6.
     }
@@ -78,22 +20,14 @@ impl MazeConfig {
     pub fn wall_offset(&self) -> f32 {
         self.hex_size - self.wall_size()
     }
-
-    pub fn update(&mut self) {
-        self.layout.hex_size = Vec2::splat(self.hex_size);
-    }
 }
 
-impl Default for MazeConfig {
+impl Default for GlobalMazeConfig {
     fn default() -> Self {
-        Self::new_unchecked(7, 20., 6., HexOrientation::Flat, None)
+        Self {
+            hex_size: 6.,
+            wall_thickness: 1.,
+            height: 20.,
+        }
     }
 }
-
-fn generate_pos<R: Rng>(radius: u32, rng: &mut R) -> Result<Hex, MazeConfigError> {
-    let radius = i32::try_from(radius)?;
-    Ok(Hex::new(
-        rng.gen_range(-radius..radius),
-        rng.gen_range(-radius..radius),
-    ))
-}

src/maze/systems/common.rs

@@ -0,0 +1,14 @@
+use crate::maze::{
+    components::MazeConfig,
+    errors::{MazeError, MazeResult},
+};
+use hexlab::{GeneratorType, HexMaze, MazeBuilder};
+
+pub(super) fn generate_maze(config: &MazeConfig) -> MazeResult<HexMaze> {
+    MazeBuilder::new()
+        .with_radius(config.radius)
+        .with_seed(config.seed)
+        .with_generator(GeneratorType::RecursiveBacktracking)
+        .build()
+        .map_err(|_| MazeError::generation_failed(config.radius, config.seed))
+}

src/maze/systems/despawn.rs

@@ -1,14 +0,0 @@
-use crate::maze::components::Floor;
-use bevy::prelude::*;
-
-pub(crate) fn despawn_floor(
-    commands: &mut Commands,
-    query: &Query<(Entity, &Floor)>,
-    floor_num: u8,
-) {
-    for (entity, floor) in query.iter() {
-        if floor.0 == floor_num {
-            commands.entity(entity).despawn_recursive();
-        }
-    }
-}

src/maze/systems/event_handler.rs

@@ -0,0 +1,54 @@
+use super::{spawn::spawn_floor, update::update_floor};
+use crate::{
+    floor::components::Floor,
+    maze::{components::Maze, events::MazeEvent, GlobalMazeConfig},
+};
+use bevy::prelude::*;
+
+pub(crate) fn handle_maze_events(
+    mut commands: Commands,
+    mut meshes: ResMut<Assets<Mesh>>,
+    mut materials: ResMut<Assets<StandardMaterial>>,
+    mut event_reader: EventReader<MazeEvent>,
+    mut maze_query: Query<(Entity, &Floor, &mut Maze)>,
+    global_config: Res<GlobalMazeConfig>,
+) {
+    for event in event_reader.read() {
+        match event {
+            MazeEvent::Create { floor, config } => {
+                if maze_query.iter().any(|(_, f, _)| f.0 == *floor) {
+                    warn!("Floor {} already exists, skipping creation", floor);
+                    continue;
+                }
+                spawn_floor(
+                    &mut commands,
+                    &mut meshes,
+                    &mut materials,
+                    *floor,
+                    config,
+                    &global_config,
+                );
+            }
+            MazeEvent::Recreate { floor, config } => {
+                let result = update_floor(
+                    &mut commands,
+                    &mut meshes,
+                    &mut materials,
+                    &mut maze_query,
+                    *floor,
+                    config,
+                    &global_config,
+                );
+                if let Err(e) = result {
+                    warn!("Failed to update floor {}: {}", floor, e);
+                }
+            }
+            MazeEvent::Remove { floor } => {
+                match maze_query.iter().find(|(_, f, _)| f.0 == *floor) {
+                    Some((entity, _, _)) => commands.entity(entity).despawn_recursive(),
+                    _ => warn!("Floor {} not found for removal", floor),
+                }
+            }
+        }
+    }
+}

src/maze/systems/mod.rs

@@ -1,11 +1,12 @@
-pub mod despawn;
-pub mod recreation;
+pub mod common;
+pub mod event_handler;
 pub mod setup;
 pub mod spawn;
+pub mod update;
 
 use bevy::prelude::*;
-use recreation::recreate_maze;
+use event_handler::handle_maze_events;
 
 pub(super) fn plugin(app: &mut App) {
-    app.add_systems(Update, recreate_maze);
+    app.add_systems(Update, handle_maze_events);
 }

src/maze/systems/recreation.rs

@@ -1,19 +0,0 @@
-use bevy::prelude::*;
-
-use crate::maze::{components::Floor, events::RecreateMazeEvent, MazeConfig};
-
-use super::{despawn::despawn_floor, spawn::spawn_floor};
-
-pub(crate) fn recreate_maze(
-    mut commands: Commands,
-    mut meshes: ResMut<Assets<Mesh>>,
-    mut materials: ResMut<Assets<StandardMaterial>>,
-    config: Res<MazeConfig>,
-    query: Query<(Entity, &Floor)>,
-    mut event_reader: EventReader<RecreateMazeEvent>,
-) {
-    for event in event_reader.read() {
-        despawn_floor(&mut commands, &query, event.floor);
-        spawn_floor(&mut commands, &mut meshes, &mut materials, &config);
-    }
-}

src/maze/systems/setup.rs

@@ -1,12 +1,7 @@
-use super::spawn::spawn_floor;
-use crate::maze::MazeConfig;
+use crate::maze::{components::MazeConfig, events::MazeEvent};
 use bevy::prelude::*;
 
-pub(crate) fn setup(
-    mut commands: Commands,
-    mut meshes: ResMut<Assets<Mesh>>,
-    mut materials: ResMut<Assets<StandardMaterial>>,
-    config: Res<MazeConfig>,
-) {
-    spawn_floor(&mut commands, &mut meshes, &mut materials, &config);
+pub(crate) fn setup(mut event_writer: EventWriter<MazeEvent>) {
+    let config = MazeConfig::default();
+    event_writer.send(MazeEvent::Create { floor: 1, config });
 }

src/maze/systems/spawn.rs

@@ -1,50 +1,68 @@
-use crate::maze::{
-    assets::MazeAssets,
-    components::{Floor, Maze, Tile, Wall},
-    MazeConfig,
+use crate::{
+    floor::components::{CurrentFloor, Floor},
+    maze::{
+        assets::MazeAssets,
+        components::{Maze, MazeConfig, Tile, Wall},
+        resources::GlobalMazeConfig,
+    },
 };
 use bevy::prelude::*;
 use hexlab::prelude::*;
 use hexx::HexOrientation;
 use std::f32::consts::{FRAC_PI_2, FRAC_PI_3, FRAC_PI_6};
 
+use super::common::generate_maze;
+
 pub(super) fn spawn_floor(
     commands: &mut Commands,
     meshes: &mut ResMut<Assets<Mesh>>,
     materials: &mut ResMut<Assets<StandardMaterial>>,
-    config: &MazeConfig,
+    floor: u8,
+    maze_config: &MazeConfig,
+    global_config: &GlobalMazeConfig,
 ) {
-    let maze = MazeBuilder::new()
-        .with_radius(config.radius)
-        .with_seed(config.seed)
-        .with_generator(GeneratorType::RecursiveBacktracking)
-        .build()
-        .expect("Something went wrong while creating maze");
+    let maze = generate_maze(maze_config).expect("Failed to generate maze during spawn");
 
-    let assets = MazeAssets::new(meshes, materials, config);
-    commands
+    let entity = commands
         .spawn((
-            Name::new("Floor"),
+            Name::new(format!("Floor {}", floor)),
             Maze(maze.clone()),
-            Floor(1),
+            Floor(floor),
+            CurrentFloor, // TODO: remove
+            maze_config.clone(),
             Transform::from_translation(Vec3::ZERO),
             Visibility::Visible,
         ))
-        .with_children(|parent| {
-            for tile in maze.values() {
-                spawn_single_hex_tile(parent, &assets, tile, config)
-            }
-        });
+        .id();
+
+    let assets = MazeAssets::new(meshes, materials, global_config);
+    spawn_maze_tiles(commands, entity, &maze, &assets, maze_config, global_config);
+}
+
+pub(super) fn spawn_maze_tiles(
+    commands: &mut Commands,
+    parent_entity: Entity,
+    maze: &HexMaze,
+    assets: &MazeAssets,
+    maze_config: &MazeConfig,
+    global_config: &GlobalMazeConfig,
+) {
+    commands.entity(parent_entity).with_children(|parent| {
+        for tile in maze.values() {
+            spawn_single_hex_tile(parent, assets, tile, maze_config, global_config);
+        }
+    });
 }
 
 pub(super) fn spawn_single_hex_tile(
     parent: &mut ChildBuilder,
     assets: &MazeAssets,
     tile: &HexTile,
-    config: &MazeConfig,
+    maze_config: &MazeConfig,
+    global_config: &GlobalMazeConfig,
 ) {
-    let world_pos = tile.to_vec3(&config.layout);
-    let rotation = match config.layout.orientation {
+    let world_pos = tile.to_vec3(&maze_config.layout);
+    let rotation = match maze_config.layout.orientation {
         HexOrientation::Pointy => Quat::from_rotation_y(0.0),
         HexOrientation::Flat => Quat::from_rotation_y(FRAC_PI_6), // 30 degrees rotation
     };
@@ -57,12 +75,17 @@ pub(super) fn spawn_single_hex_tile(
             MeshMaterial3d(assets.hex_material.clone()),
             Transform::from_translation(world_pos).with_rotation(rotation),
         ))
-        .with_children(|parent| spawn_walls(parent, assets, config, tile.walls()));
+        .with_children(|parent| spawn_walls(parent, assets, tile.walls(), global_config));
 }
 
-fn spawn_walls(parent: &mut ChildBuilder, assets: &MazeAssets, config: &MazeConfig, walls: &Walls) {
+fn spawn_walls(
+    parent: &mut ChildBuilder,
+    assets: &MazeAssets,
+    walls: &Walls,
+    global_config: &GlobalMazeConfig,
+) {
     let z_rotation = Quat::from_rotation_z(-FRAC_PI_2);
-    let y_offset = config.height / 2.;
+    let y_offset = global_config.height / 2.;
 
     for i in 0..6 {
         if !walls.contains(i) {
@@ -71,8 +94,8 @@ fn spawn_walls(parent: &mut ChildBuilder, assets: &MazeAssets, config: &MazeConf
 
         let wall_angle = -FRAC_PI_3 * i as f32;
 
-        let x_offset = config.wall_offset() * f32::cos(wall_angle);
-        let z_offset = config.wall_offset() * f32::sin(wall_angle);
+        let x_offset = global_config.wall_offset() * f32::cos(wall_angle);
+        let z_offset = global_config.wall_offset() * f32::sin(wall_angle);
         let pos = Vec3::new(x_offset, y_offset, z_offset);
 
         let x_rotation = Quat::from_rotation_x(wall_angle + FRAC_PI_2);

src/maze/systems/update.rs

@@ -0,0 +1,43 @@
+use super::{common::generate_maze, spawn::spawn_maze_tiles};
+use crate::{
+    floor::components::Floor,
+    maze::{
+        assets::MazeAssets,
+        components::{Maze, MazeConfig},
+        errors::{MazeError, MazeResult},
+        GlobalMazeConfig,
+    },
+};
+use bevy::prelude::*;
+
+pub(super) fn update_floor(
+    commands: &mut Commands,
+    meshes: &mut ResMut<Assets<Mesh>>,
+    materials: &mut ResMut<Assets<StandardMaterial>>,
+    maze_query: &mut Query<(Entity, &Floor, &mut Maze)>,
+    floor: u8,
+    maze_config: &MazeConfig,
+    global_config: &GlobalMazeConfig,
+) -> MazeResult<()> {
+    let (entity, _, mut maze) = maze_query
+        .iter_mut()
+        .find(|(_, f, _)| f.0 == floor)
+        .ok_or(MazeError::FloorNotFound(floor))?;
+
+    maze.0 = generate_maze(maze_config)?;
+
+    commands.entity(entity).despawn_descendants();
+    let assets = MazeAssets::new(meshes, materials, global_config);
+    spawn_maze_tiles(
+        commands,
+        entity,
+        &maze.0,
+        &assets,
+        maze_config,
+        global_config,
+    );
+
+    commands.entity(entity).insert(maze_config.clone());
+
+    Ok(())
+}

src/player/events.rs

@@ -1,4 +1,8 @@
 use bevy::prelude::*;
 
 #[derive(Debug, Event)]
-pub(crate) struct RespawnPlayer;
+pub enum PlayerEvent {
+    Spawn,
+    Respawn,
+    Despawn,
+}

src/player/mod.rs

@@ -5,11 +5,11 @@ mod systems;
 
 use bevy::{ecs::system::RunSystemOnce, prelude::*};
 use components::Player;
-use events::RespawnPlayer;
+use events::PlayerEvent;
 
 pub(super) fn plugin(app: &mut App) {
     app.register_type::<Player>()
-        .add_event::<RespawnPlayer>()
+        .add_event::<PlayerEvent>()
         .add_plugins(systems::plugin);
 }
 

src/player/systems/despawn.rs

@@ -2,7 +2,7 @@ use bevy::prelude::*;
 
 use crate::player::components::Player;
 
-pub(crate) fn despawn_players(commands: &mut Commands, query: &Query<Entity, With<Player>>) {
+pub(super) fn despawn_players(commands: &mut Commands, query: &Query<Entity, With<Player>>) {
     for entity in query.iter() {
         commands.entity(entity).despawn_recursive();
     }

src/player/systems/event_handler.rs

@@ -0,0 +1,53 @@
+use crate::{
+    floor::components::CurrentFloor,
+    maze::{components::MazeConfig, GlobalMazeConfig},
+    player::{components::Player, events::PlayerEvent},
+};
+use bevy::prelude::*;
+
+use super::{despawn::despawn_players, respawn::respawn_player, spawn::spawn_player};
+
+pub(crate) fn handle_player_events(
+    mut commands: Commands,
+    mut meshes: ResMut<Assets<Mesh>>,
+    mut materials: ResMut<Assets<StandardMaterial>>,
+    mut event_reader: EventReader<PlayerEvent>,
+    maze_config_query: Query<&MazeConfig, With<CurrentFloor>>,
+    player_query: Query<Entity, With<Player>>,
+    global_config: Res<GlobalMazeConfig>,
+) {
+    for event in event_reader.read() {
+        match event {
+            PlayerEvent::Spawn => {
+                let Ok(maze_config) = maze_config_query.get_single() else {
+                    warn!(
+                        "Failed to get maze configuration for current floor - cannot spawn player"
+                    );
+                    return;
+                };
+                spawn_player(
+                    &mut commands,
+                    &mut meshes,
+                    &mut materials,
+                    maze_config,
+                    &global_config,
+                );
+            }
+            PlayerEvent::Respawn => {
+                let Ok(maze_config) = maze_config_query.get_single() else {
+                    warn!("Failed to get maze configuration for current floor - cannot respawn player");
+                    return;
+                };
+                respawn_player(
+                    &mut commands,
+                    &mut meshes,
+                    &mut materials,
+                    &player_query,
+                    maze_config,
+                    &global_config,
+                );
+            }
+            PlayerEvent::Despawn => despawn_players(&mut commands, &player_query),
+        }
+    }
+}

src/player/systems/input.rs

@@ -1,13 +1,42 @@
 use crate::{
-    maze::{
-        components::{Floor, Maze},
-        MazeConfig,
-    },
+    floor::components::CurrentFloor,
+    maze::components::{Maze, MazeConfig},
     player::components::{CurrentPosition, MovementTarget, Player},
 };
 use bevy::prelude::*;
 use hexx::{EdgeDirection, HexOrientation};
 
+pub(super) fn player_input(
+    input: Res<ButtonInput<KeyCode>>,
+    mut player_query: Query<(&mut MovementTarget, &CurrentPosition), With<Player>>,
+    maze_query: Query<(&Maze, &MazeConfig), With<CurrentFloor>>,
+) {
+    let Ok((maze, maze_config)) = maze_query.get_single() else {
+        return;
+    };
+
+    for (mut target_pos, current_pos) in player_query.iter_mut() {
+        if target_pos.is_some() {
+            continue;
+        }
+
+        let Some(direction) = create_direction(&input, &maze_config.layout.orientation) else {
+            continue;
+        };
+
+        let Some(tile) = maze.0.get_tile(current_pos) else {
+            continue;
+        };
+
+        if tile.walls().contains(direction) {
+            continue;
+        }
+
+        let next_hex = current_pos.0.neighbor(direction);
+        target_pos.0 = Some(next_hex);
+    }
+}
+
 fn create_direction(
     input: &ButtonInput<KeyCode>,
     orientation: &HexOrientation,
@@ -43,35 +72,3 @@ fn create_direction(
     }?;
     Some(direction.rotate_cw(0))
 }
-
-pub(super) fn player_input(
-    input: Res<ButtonInput<KeyCode>>,
-    mut player_query: Query<(&mut MovementTarget, &CurrentPosition), With<Player>>,
-    maze_query: Query<(&Maze, &Floor)>,
-    maze_config: Res<MazeConfig>,
-) {
-    let Ok((maze, _floor)) = maze_query.get_single() else {
-        return;
-    };
-
-    for (mut target_pos, current_pos) in player_query.iter_mut() {
-        if target_pos.is_some() {
-            continue;
-        }
-
-        let Some(direction) = create_direction(&input, &maze_config.layout.orientation) else {
-            continue;
-        };
-
-        let Some(tile) = maze.0.get_tile(&current_pos) else {
-            continue;
-        };
-
-        if tile.walls().contains(direction) {
-            continue;
-        }
-
-        let next_hex = current_pos.0.neighbor(direction);
-        target_pos.0 = Some(next_hex);
-    }
-}

src/player/systems/mod.rs

@@ -1,14 +1,15 @@
-pub mod despawn;
+mod despawn;
+mod event_handler;
 mod input;
 mod movement;
-pub mod respawn;
+mod respawn;
 pub mod setup;
-pub mod spawn;
+mod spawn;
 
 use bevy::prelude::*;
+use event_handler::handle_player_events;
 use input::player_input;
 use movement::player_movement;
-use respawn::respawn_player;
 
 pub(super) fn plugin(app: &mut App) {
     app.add_systems(
@@ -16,7 +17,7 @@ pub(super) fn plugin(app: &mut App) {
         (
             player_input,
             player_movement.after(player_input),
-            respawn_player,
+            handle_player_events,
         ),
     );
 }

src/player/systems/movement.rs

@@ -1,5 +1,6 @@
 use crate::{
-    maze::MazeConfig,
+    floor::components::CurrentFloor,
+    maze::components::MazeConfig,
     player::components::{CurrentPosition, MovementSpeed, MovementTarget, Player},
 };
 use bevy::prelude::*;
@@ -16,12 +17,17 @@ pub(super) fn player_movement(
         ),
         With<Player>,
     >,
-    maze_config: Res<MazeConfig>,
+    maze_config_query: Query<&MazeConfig, With<CurrentFloor>>,
 ) {
+    let Ok(maze_config) = maze_config_query.get_single() else {
+        warn!("Failed to get maze configuration for current floor - cannot move player");
+        return;
+    };
+
     for (mut target, speed, mut current_hex, mut transform) in query.iter_mut() {
         if let Some(target_hex) = target.0 {
             let current_pos = transform.translation;
-            let target_pos = calculate_target_position(&maze_config, target_hex, current_pos.y);
+            let target_pos = calculate_target_position(maze_config, target_hex, current_pos.y);
 
             if should_complete_movement(current_pos, target_pos) {
                 transform.translation = target_pos;

src/player/systems/respawn.rs

@@ -1,21 +1,18 @@
+use super::{despawn::despawn_players, spawn::spawn_player};
 use crate::{
-    maze::MazeConfig,
-    player::{components::Player, events::RespawnPlayer},
+    maze::{components::MazeConfig, GlobalMazeConfig},
+    player::components::Player,
 };
 use bevy::prelude::*;
 
-use super::{despawn::despawn_players, spawn::spawn_player};
-
-pub(crate) fn respawn_player(
-    mut commands: Commands,
-    mut meshes: ResMut<Assets<Mesh>>,
-    mut materials: ResMut<Assets<StandardMaterial>>,
-    config: Res<MazeConfig>,
-    query: Query<Entity, With<Player>>,
-    mut event_reader: EventReader<RespawnPlayer>,
+pub(super) fn respawn_player(
+    commands: &mut Commands,
+    meshes: &mut ResMut<Assets<Mesh>>,
+    materials: &mut ResMut<Assets<StandardMaterial>>,
+    query: &Query<Entity, With<Player>>,
+    maze_config: &MazeConfig,
+    global_config: &GlobalMazeConfig,
 ) {
-    for _ in event_reader.read() {
-        despawn_players(&mut commands, &query);
-        spawn_player(&mut commands, &mut meshes, &mut materials, &config);
-    }
+    despawn_players(commands, query);
+    spawn_player(commands, meshes, materials, maze_config, global_config);
 }

src/player/systems/setup.rs

@@ -1,14 +1,6 @@
+use crate::player::events::PlayerEvent;
 use bevy::prelude::*;
 
-use crate::maze::MazeConfig;
-
-use super::spawn::spawn_player;
-
-pub(crate) fn setup(
-    mut commands: Commands,
-    mut meshes: ResMut<Assets<Mesh>>,
-    mut materials: ResMut<Assets<StandardMaterial>>,
-    config: Res<MazeConfig>,
-) {
-    spawn_player(&mut commands, &mut meshes, &mut materials, &config);
+pub(crate) fn setup(mut event_writer: EventWriter<PlayerEvent>) {
+    event_writer.send(PlayerEvent::Spawn);
 }

src/player/systems/spawn.rs

@@ -1,5 +1,5 @@
 use crate::{
-    maze::MazeConfig,
+    maze::{components::MazeConfig, GlobalMazeConfig},
     player::{
         assets::{blue_material, generate_pill_mesh},
         components::{CurrentPosition, Player},
@@ -11,19 +11,20 @@ pub(super) fn spawn_player(
     commands: &mut Commands,
     meshes: &mut ResMut<Assets<Mesh>>,
     materials: &mut ResMut<Assets<StandardMaterial>>,
-    config: &MazeConfig,
+    maze_config: &MazeConfig,
+    global_config: &GlobalMazeConfig,
 ) {
-    let player_radius = config.hex_size * 0.5;
+    let player_radius = global_config.hex_size * 0.5;
     let player_height = player_radius * 3.5;
 
-    let y_offset = config.height / 2. + player_height / 1.3;
+    let y_offset = global_config.height / 2. + player_height / 1.3;
 
-    let start_pos = config.layout.hex_to_world_pos(config.start_pos);
+    let start_pos = maze_config.layout.hex_to_world_pos(maze_config.start_pos);
 
     commands.spawn((
         Name::new("Player"),
         Player,
-        CurrentPosition(config.start_pos),
+        CurrentPosition(maze_config.start_pos),
         Mesh3d(meshes.add(generate_pill_mesh(player_radius, player_height / 2.))),
         MeshMaterial3d(materials.add(blue_material())),
         Transform::from_xyz(start_pos.x, y_offset, start_pos.y),