BlackMATov/ecs.hpp
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add minimal aspects

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This commit is contained in:
Matvey Cherevko
2019-10-17 10:56:07 +07:00
parent 6b34c00b34
commit 346e819529
2 changed files with 199 additions and 0 deletions
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96
untests/ecs_tests.cpp
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@@ -1185,6 +1185,102 @@ TEST_CASE("registry") {
});
}
}
SECTION("aspects") {
{
using empty_aspect = ecs::aspect<>;
ecs::registry w;
ecs::entity e1 = w.create_entity();
REQUIRE(empty_aspect::match_entity(e1));
ecs::entity e2 = w.create_entity();
e2.assign_component<movable_c>();
e2.assign_component<position_c>(1,2);
REQUIRE(empty_aspect::match_entity(e2));
ecs::entity e3 = w.create_entity();
e3.assign_component<movable_c>();
e3.assign_component<position_c>(1,2);
e3.assign_component<velocity_c>(3,4);
REQUIRE(empty_aspect::match_entity(e3));
{
ecs::entity_id acc{};
empty_aspect::for_each_entity(w, [&acc](ecs::entity e){
acc += e.id();
}, ecs::exists<movable_c>{});
REQUIRE(acc == e2.id() + e3.id());
}
{
ecs::entity_id acc{};
empty_aspect::for_joined_components(w, [&acc](ecs::entity e){
acc += e.id();
}, ecs::exists<movable_c>{});
REQUIRE(acc == e2.id() + e3.id());
}
{
ecs::entity_id acc{};
w.for_each_entity([&acc](ecs::entity e){
acc += e.id();
}, empty_aspect::to_option());
REQUIRE(acc == e1.id() + e2.id() + e3.id());
}
}
{
using movable = ecs::aspect<
position_c,
velocity_c>;
ecs::registry w;
ecs::entity e = w.create_entity();
REQUIRE_FALSE(movable::match_entity(e));
e.assign_component<position_c>(1,2);
REQUIRE_FALSE(movable::match_entity(e));
e.assign_component<velocity_c>(3,4);
REQUIRE(movable::match_entity(e));
ecs::entity e2 = w.create_entity();
e2.assign_component<position_c>(1,2);
movable::for_joined_components(w,
[](ecs::entity_id, position_c& p, const velocity_c& v){
p.x += v.x;
p.y += v.y;
});
movable::for_joined_components(std::as_const(w),
[](ecs::entity_id, const position_c& p, const velocity_c& v){
const_cast<position_c&>(p).x += v.x;
const_cast<position_c&>(p).y += v.y;
});
w.for_each_entity([](ecs::entity e){
auto& p = e.get_component<position_c>();
const auto& v = e.get_component<velocity_c>();
p.x += v.x;
p.y += v.y;
}, movable::to_option());
std::as_const(w).for_each_entity([](const ecs::const_entity& e){
const auto& p = e.get_component<position_c>();
const auto& v = e.get_component<velocity_c>();
const_cast<position_c&>(p).x += v.x;
const_cast<position_c&>(p).y += v.y;
}, movable::to_option());
REQUIRE(e.get_component<position_c>().x == 1 + 3*4);
REQUIRE(e.get_component<position_c>().y == 2 + 4*4);
REQUIRE(e2.get_component<position_c>().x == 1);
REQUIRE(e2.get_component<position_c>().y == 2);
}
}
SECTION("options") {
{
ecs::registry w;