BlackMATov/ecs.hpp
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entity versions

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This commit is contained in:
Matvey Cherevko
2018-12-28 08:32:27 +07:00
parent fc1b59cee2
commit 8b97a2bf71
2 changed files with 122 additions and 32 deletions
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69
ecs_tests.cpp
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@@ -303,9 +303,40 @@ TEST_CASE("registry") {
ecs::registry w;
const auto e1 = w.create_entity();
w.destroy_entity(e1);
const auto e2 = w.create_entity();
REQUIRE(e1 == e2);
REQUIRE(e1 != e2);
REQUIRE(ecs::entity_id_index(e1.id()) == ecs::entity_id_index(e2.id()));
REQUIRE(ecs::entity_id_version(e1.id()) + 1 == ecs::entity_id_version(e2.id()));
w.destroy_entity(e2);
const auto e3 = w.create_entity();
REQUIRE(e3 != e2);
REQUIRE(ecs::entity_id_index(e2.id()) == ecs::entity_id_index(e3.id()));
REQUIRE(ecs::entity_id_version(e2.id()) + 1 == ecs::entity_id_version(e3.id()));
}
{
ecs::registry w;
auto e = w.create_entity();
const auto e_id = e.id();
for ( std::size_t i = 0; i < ecs::entity_id_version_mask; ++i ) {
e.destroy();
e = w.create_entity();
REQUIRE(ecs::entity_id_version(e_id) != ecs::entity_id_version(e.id()));
}
// entity version wraps around
e.destroy();
e = w.create_entity();
REQUIRE(ecs::entity_id_version(e_id) == ecs::entity_id_version(e.id()));
}
{
ecs::registry w;
for ( std::size_t i = 0; i < ecs::entity_id_index_mask; ++i ) {
w.create_entity();
}
// entity index overflow
REQUIRE_THROWS_AS(w.create_entity(), std::logic_error);
}
}
SECTION("component_assigning") {
@@ -395,8 +426,8 @@ TEST_CASE("registry") {
REQUIRE(e2.get_component<velocity_c>().x == 3);
REQUIRE(e2.get_component<velocity_c>().y == 4);
REQUIRE_THROWS_AS(e1.get_component<velocity_c>(), ecs::basic_exception);
REQUIRE_THROWS_AS(e2.get_component<position_c>(), ecs::basic_exception);
REQUIRE_THROWS_AS(e1.get_component<velocity_c>(), std::logic_error);
REQUIRE_THROWS_AS(e2.get_component<position_c>(), std::logic_error);
}
{
ecs::registry w;
@@ -421,8 +452,8 @@ TEST_CASE("registry") {
REQUIRE(ww.get_component<velocity_c>(e2).x == 3);
REQUIRE(ww.get_component<velocity_c>(e2).y == 4);
REQUIRE_THROWS_AS(ww.get_component<velocity_c>(e1), ecs::basic_exception);
REQUIRE_THROWS_AS(ww.get_component<position_c>(e2), ecs::basic_exception);
REQUIRE_THROWS_AS(ww.get_component<velocity_c>(e1), std::logic_error);
REQUIRE_THROWS_AS(ww.get_component<position_c>(e2), std::logic_error);
ww.remove_all_components(e1);
ww.remove_all_components(e2);
@@ -544,6 +575,34 @@ TEST_CASE("registry") {
REQUIRE(acc2 == 6);
}
}
{
ecs::registry w;
{
auto e1 = w.create_entity();
auto e2 = w.create_entity();
e1.destroy();
e2.destroy();
}
auto e3 = w.create_entity();
auto e4 = w.create_entity();
e3.assign_component<position_c>(1, 2);
e4.assign_component<position_c>(3, 4);
{
ecs::entity_id acc1 = 0;
int acc2 = 0;
w.for_each_component<position_c>([&acc1, &acc2](ecs::entity e, position_c& p){
acc1 += e.id();
acc2 += p.x;
});
REQUIRE(acc1 == e3.id() + e4.id());
REQUIRE(acc2 == 4);
}
}
}
SECTION("for_joined_components") {
{