DeadSystem.hpp

#pragma once
 
#include "components/Dead.hpp"
#include <ISystem.hpp>
#include <vector>
 
namespace rtk::systems {
class DeathSystem final : public rtk::ecs::ISystem {
public:
  DeathSystem() = default;
  ~DeathSystem() override = default;
 
  void onStart(rtk::ecs::Registry &) override {}
 
  void update(rtk::ecs::Registry &reg, float) override {
    auto view = reg.view<component::Dead>();
 
    std::vector<std::size_t> toDestroy;
    for (auto entity : view) {
      toDestroy.push_back(entity);
    }
 
    for (auto entity : toDestroy) {
      reg.remove_entity_from_all_pools(entity);
      reg.kill_entity(entity);
    }
  }
 
  void onStop(rtk::ecs::Registry &) override {}
};
 
} // namespace rtk::systems