Migration works

src/seed_automation.rs

@@ -3,15 +3,20 @@ use crate::basic::{IntoImage, Table};
 use bevy::asset::{Assets, RenderAssetUsages};
 use bevy::image::{BevyDefault, Image};
 use bevy::input::ButtonInput;
-use bevy::prelude::{Commands, Component, Entity, KeyCode, Query, ResMut, Sprite};
+use bevy::prelude::{Commands, Component, Entity, KeyCode, Query, Res, ResMut, Sprite};
 use bevy::render::render_resource::{Extent3d, TextureDimension, TextureFormat};
 use rand::RngExt;
 use rand_chacha::ChaCha8Rng;
+use crate::plate_automation::PlateAutomation;
 
 pub fn update_automation_view_seed(
     query: Query<(&Sprite, &SeedAutomation)>,
     mut images: ResMut<Assets<Image>>,
 ) {
+    if query.is_empty() {
+        return;
+    }
+
     let (sprite, automation) = query.iter().next().unwrap();
     let size = automation.world.side as u32;
     let data = automation.world.get_image_data();
@@ -34,15 +39,24 @@ pub fn update_automation_view_seed(
 pub fn update_automation_seed(
     mut query: Query<(&mut SeedAutomation, Entity)>,
     mut seeded_rng: ResMut<SeededRng>,
-    keys: ResMut<ButtonInput<KeyCode>>,
+    keys: Res<ButtonInput<KeyCode>>,
     mut commands: Commands) {
+
+    if query.is_empty() {
+        return;
+    }
+
     let  (mut automation, entity) = query.iter_mut().next().unwrap();
+
     if keys.just_pressed(KeyCode::Space){
         let random = &mut seeded_rng.0;
         automation.next(random)
     }
     if keys.just_pressed(KeyCode::Tab){
-        commands.entity(entity).;
+        println!("Switching to PlateAutomation");
+        commands.entity(entity).remove::<SeedAutomation>().insert(PlateAutomation{
+            world: automation.world.clone()
+        });
     }
 }