simple hitpoint mechanic

src/player.rs

@@ -6,11 +6,15 @@ use crate::{
     camera::GameCameraRig,
     cash::{Cash, CashCollectEvent},
     heads_ui::HeadChanged,
+    shooting::TriggerState,
     tb_entities::SpawnPoint,
 };
 use avian3d::prelude::*;
 use bevy::{
-    input::mouse::MouseMotion,
+    input::{
+        ButtonState,
+        mouse::{MouseButtonInput, MouseMotion},
+    },
     prelude::*,
     window::{CursorGrabMode, PrimaryWindow},
 };
@@ -49,7 +53,6 @@ pub fn plugin(app: &mut App) {
         (
             spawn,
             update_camera,
-            mouse_rotate,
             collect_cash,
             toggle_animation,
             setup_animations_marker_for_player,
@@ -60,6 +63,9 @@ pub fn plugin(app: &mut App) {
         apply_controls.in_set(TnuaUserControlsSystemSet),
     );
 
+    app.add_systems(Update, mouse_rotate.run_if(on_event::<MouseMotion>));
+    app.add_systems(Update, mouse_click.run_if(on_event::<MouseButtonInput>));
+
     app.add_observer(updaate_head);
 }
 
@@ -131,6 +137,28 @@ fn mouse_rotate(
     }
 }
 
+fn mouse_click(mut events: EventReader<MouseButtonInput>, mut commands: Commands) {
+    for ev in events.read() {
+        match ev {
+            MouseButtonInput {
+                button: MouseButton::Left,
+                state: ButtonState::Pressed,
+                ..
+            } => {
+                commands.trigger(TriggerState::Active);
+            }
+            MouseButtonInput {
+                button: MouseButton::Left,
+                state: ButtonState::Released,
+                ..
+            } => {
+                commands.trigger(TriggerState::Inactive);
+            }
+            _ => {}
+        }
+    }
+}
+
 fn toggle_grab_cursor(window: &mut Window) {
     match window.cursor_options.grab_mode {
         CursorGrabMode::None => {