#include "ecs/Component.h"

struct MyComponent : ecs::ComponentBase
{
  // Data fields ...
  int Health;
  float Speed;
  // ...
};

auto &engine = Engine::Instance();

/// Create an IEntity with components MeshComponent and TransformComponent and returns a non-owning pointer
auto object = engine.CreateEntity<MeshComponent, TransformComponent>();

/// IEntity::GetAll returns a tuple with the components registered in the IEntity
auto [ mesh, transform ] = object->GetAll();

transform.position = glm::vec3(42.0f, 0.0f, 0.0f);
mesh->Set(transform);
// or (without type deduction)
mesh->Set<TransformComponent>(transform);

#include "ecs/System.hpp"

class MySystem : ecs::ComponentSystem
{
public:
  void OnUpdate(float) override
  {
    auto entities = GetEntities<MeshComponent, TransformComponent>();
    // Do your computations here...
  }
};

engine.CreateSystem<MySystem>();

#include "components/LuaScriptComponent.hpp"

// [...]

auto myEntity = engine.CreateEntity<LuaScriptComponent>();

auto &luaScript = myEntity->Get<LuaScriptComponent>();
	luaScript.Runtime.Load("scripts/myScript.lua");

meson build && ninja -C build