Fosma

src/grid.rs

@@ -7,10 +7,16 @@ pub struct GridPlugin;
 impl Plugin for GridPlugin {
     fn build(&self, app: &mut App) {
         app.add_systems(Startup, setup_grid)
-            .add_systems(Update, snap_grid_elements);
+            .add_systems(Update, snap_grid_elements)
+            .add_observer(grid_despawn_check);
     }
 }
 
+#[derive(EntityEvent)]
+pub struct GridDespawn {
+    pub entity: Entity,
+}
+
 #[derive(Component)]
 pub struct Grid {
     bounds: Rect,
@@ -131,3 +137,21 @@ fn snap_grid_elements(
         }
     }
 }
+
+pub fn grid_despawn_check(event: On<GridDespawn>, mut grid_query: Single<&mut Grid>) {
+    for i in 0..grid_query.elements.len() {
+        match grid_query.elements[i] {
+            CellState::Empty => continue,
+            CellState::Filled(entity) => {
+                if entity == event.entity {
+                    grid_query.elements[i] = CellState::Empty
+                }
+            }
+            CellState::Part(entity) => {
+                if entity == event.entity {
+                    grid_query.elements[i] = CellState::Empty
+                }
+            }
+        }
+    }
+}

src/music_player.rs

@@ -36,7 +36,7 @@ fn try_play(
         commands.entity(music_player.entity()).insert((
             AudioPlayer::new(soundtrack.0[random_range(0..soundtrack.0.len())].clone()),
             PlaybackSettings {
-                volume: Volume::Linear(0.2),
+                volume: Volume::Linear(2.0),
                 mode: bevy::audio::PlaybackMode::Remove,
                 ..default()
             },

src/unit/doh.rs

@@ -1,8 +1,8 @@
 use crate::{
     animation::transform::AnimatedTransform,
-    grid::Grid,
+    grid::{Grid, grid_despawn_check},
     mouse_position::MousePosition,
-    turns::{TurnBusy, TurnState, TurnUnit},
+    turns::{TurnBusy, TurnUnit},
     unit::{UnitTextures, health::Health},
 };
 use bevy::prelude::*;
@@ -23,7 +23,7 @@ pub fn spawn_doh(
             Health::new(10),
             Transform::from_xyz(mouse_position.position.x, mouse_position.position.y, 1.),
             AnimatedTransform::from_xyz(mouse_position.position.x, mouse_position.position.y, 1.),
-            TurnUnit,
+            //TurnUnit,
         ))
         .id();
     grid.try_set(mouse_position.position.truncate(), doh);

src/unit/fosma.rs

@@ -1,8 +1,8 @@
 use crate::{
     animation::transform::AnimatedTransform,
-    grid::Grid,
+    grid::{Grid, grid_despawn_check},
     mouse_position::MousePosition,
-    turns::{TurnBusy, TurnState, TurnUnit},
+    turns::{TurnBusy, TurnUnit},
     unit::{UnitTextures, health::Health},
 };
 use bevy::prelude::*;
@@ -28,3 +28,24 @@ pub fn spawn_fosma(
         .id();
     grid.try_set(mouse_position.position.truncate(), fosma);
 }
+
+pub fn fosma_action(
+    mut commands: Commands,
+    grid: Single<&Grid>,
+    fosma_query: Query<(Entity, &Transform), (With<Fosma>, With<TurnBusy>)>,
+    mut health_query: Query<&mut Health>,
+) {
+    for (entity, transform) in fosma_query {
+        let Some(unit) =
+            grid.get_entity_in_direction(transform.translation.truncate(), Vec2::new(1., 0.))
+        else {
+            commands.entity(entity).remove::<TurnBusy>();
+            return;
+        };
+
+        if let Ok(mut health) = health_query.get_mut(unit) {
+            health.damage(10);
+        }
+        commands.entity(entity).remove::<TurnBusy>();
+    }
+}

src/unit/health.rs

@@ -1,13 +1,28 @@
 use bevy::prelude::*;
 
+use crate::grid::GridDespawn;
+
 #[derive(Component)]
 pub struct Health {
-    pub max_hp: u32,
-    pub hp: u32,
+    pub max_hp: i32,
+    pub hp: i32,
 }
 
 impl Health {
-    pub fn new(max_hp: u32) -> Self {
+    pub fn new(max_hp: i32) -> Self {
         Self { max_hp, hp: max_hp }
     }
+
+    pub fn damage(&mut self, damage: i32) {
+        self.hp -= damage;
+    }
+}
+
+pub fn health_despawn_system(mut commands: Commands, query: Query<(Entity, &Health)>) {
+    for (entity, health) in query {
+        if health.hp <= 0 {
+            commands.trigger(GridDespawn { entity });
+            commands.entity(entity).despawn();
+        }
+    }
 }

src/unit/mod.rs

@@ -1,5 +1,10 @@
 use bevy::prelude::*;
 
+use crate::{
+    turns::TurnState,
+    unit::{fosma::fosma_action, health::health_despawn_system},
+};
+
 pub mod doh;
 pub mod fosma;
 pub mod health;
@@ -8,7 +13,9 @@ pub mod zlosma;
 pub struct UnitPlugin;
 impl Plugin for UnitPlugin {
     fn build(&self, app: &mut App) {
-        app.add_systems(Startup, unit_setup);
+        app.add_systems(Startup, unit_setup)
+            .add_systems(OnEnter(TurnState::Turn), health_despawn_system)
+            .add_systems(Update, fosma_action);
     }
 }
 

src/unit/zlosma.rs

@@ -1,8 +1,8 @@
 use crate::{
     animation::transform::AnimatedTransform,
-    grid::Grid,
+    grid::{Grid, grid_despawn_check},
     mouse_position::MousePosition,
-    turns::{TurnBusy, TurnState, TurnUnit},
+    turns::{TurnBusy, TurnUnit},
     unit::{UnitTextures, health::Health},
 };
 use bevy::prelude::*;
@@ -23,7 +23,7 @@ pub fn spawn_zlosma(
             Health::new(10),
             Transform::from_xyz(mouse_position.position.x, mouse_position.position.y, 1.),
             AnimatedTransform::from_xyz(mouse_position.position.x, mouse_position.position.y, 1.),
-            TurnUnit,
+            //TurnUnit,
         ))
         .id();
     grid.try_set(mouse_position.position.truncate(), zlosma);