TEST(NAME, DestroyingEntitiesDispatchesReallocationEvent)
{
World w;
MockEntityManagerListener mock;
EntityManager* em = new EntityManager(&w);
em->event.addListener(&mock, "mock");
// uninteresting calls
EXPECT_CALL(mock, onCreateEntityHelper(testing::_))
.Times(testing::AtLeast(0));
EXPECT_CALL(mock, onDestroyEntityHelper(testing::_))
.Times(testing::AtLeast(0));
EXPECT_CALL(mock, onEntitiesReallocatedHelper(testing::_)).Times(testing::AtLeast(0)); // ignore this call during entity creation - not important
em->createEntity("entity1"); // will be destroyed via destroyEntities()
em->createEntity("entity2"); // will be via destroyAllEntities
// expect 4 calls, since 4 entities are being destroyed
EXPECT_CALL(mock, onEntitiesReallocatedHelper(testing::_))
.Times(4); // 4 entities were created...
em->destroyEntities("entity1");
em->destroyAllEntities();
Entity& e = em->createEntity("entity3");
em->destroyEntity(e);
em->createEntity("entity4"); // destroyed by destructor
delete em;
}
int main() {
ResourceManager resourceManager = ResourceManager();
resourceManager.addResourceDirectory("res/");
sf::RenderWindow window(sf::VideoMode(WINDOW_X, WINDOW_Y), "ECS Test");
EntityManager entityManager = EntityManager(&window, 100);
for (int i = 1; i < 10000; ++i) {
int temp = entityManager.createEntity(sf::Vector2f(WINDOW_X * float(rand()) / RAND_MAX, WINDOW_Y * float(rand()) / RAND_MAX));
entityManager.attachComponent(temp, RenderComponent(resourceManager.getTexture("player.png")));
entityManager.attachComponent(temp, PhysicsComponent(sf::Vector2f(100 * (float(rand()) / RAND_MAX - 0.5), 100 * (float(rand()) / RAND_MAX - 0.5))));
}
// Remove some entities.
for (int i = 1; i < 3; ++i) {
entityManager.destroyEntity(i);
}
// Remove some components.
for (int i = 3; i < 10; ++i) {
entityManager.detachComponent(i, RENDER);
}
sf::Clock clock;
while (window.isOpen()) {
// Handle events.
sf::Event event;
while (window.pollEvent(event)) {
if(event.type == sf::Event::Closed) {
window.close();
}
}
float frametime = clock.restart().asSeconds();
std::cout << (1 / frametime) << std::endl;
window.clear(sf::Color::White);
entityManager.update(frametime);
window.display();
}
}
TEST(NAME, DispatchesCreateAndDestroyEntityEvents)
{
World w;
MockEntityManagerListener mock;
EntityManager* em = new EntityManager(&w);
em->event.addListener(&mock, "mock");
// uninteresting calls
EXPECT_CALL(mock, onEntitiesReallocatedHelper(testing::_))
.Times(testing::AtLeast(0));
// interesting calls
EXPECT_CALL(mock, onCreateEntityHelper(testing::_))
.Times(1);
EXPECT_CALL(mock, onDestroyEntityHelper(testing::_))
.Times(1);
Entity& e = em->createEntity("entity");
ASSERT_EQ(1, em->getEntityList().size());
em->destroyEntity(e);
em->event.removeListener("mock");
delete em;
}