state.rs

pub trait GameState {
  fn init(&mut self);
  fn update(&mut self, delta: f32);
}

struct IngameState {
  save: SaveDataStruct,
  current_map: TodoMap,
  entities: Vec<EntityStructOrTrait>
}

impl GameState for IngameState {

  pub fn init(&mut self) {
    self.current_map = Map::from_save(self.save);
  }

  pub fn update(&mut self, delta: f32) {
    for entity in self.entities {
      entity.update(delta);
    }
  }

}