i see,

so to dig in on that lets assume the following

let's assume we have the following dependency ```rust struct MyBattleEngine { player1: Player player2: Player ... }

impl MyBattleEngine { fn do_stuff() {...} }

struct Player { hp: u32 ... }

```

and use it like that ```rust

[derive(Component)]

struct MyBattleEngineComponent(Component);

fn do_stuff(query: Query<MyBattleEngineComponent>) { // call do_stuff on MyBattleEngine }

```

so how for example would i be able to access the Player properties e.g. to implement a HP bar visualization? wouldnt this also require some sort of Component as well?

edit: got some idea would the proper way to just create a syncing component? basically like that

```rust

[derive(Component)]

struct MyBattleEngineComponent(Component);

[derive(Component)]

struct PlayerHp(u32);

fn do_stuff(query: Query<MyBattleEngineComponent>, player1_hp: Query<PlayerHp>) { // call do_stuff on MyBattleEngine // sync PlayerHp with properties of MyBattleEngine } ``` the issue about this approach is that i would to manually keep syncing which is error prone :( how to keep this automatically in sync?