BlackMATov/ecs.hpp
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variadic get_components and find_components

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This commit is contained in:
Matvey Cherevko
2018-12-26 04:51:45 +07:00
parent 32fb2f2790
commit 3c2d057ece
2 changed files with 144 additions and 4 deletions
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79
ecs_tests.cpp
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@@ -27,6 +27,16 @@ namespace
velocity_c() = default;
velocity_c(int nx, int ny) : x(nx), y(ny) {}
};
bool operator==(const position_c& l, const position_c& r) noexcept {
return l.x == r.x
&& l.y == r.y;
}
bool operator==(const velocity_c& l, const velocity_c& r) noexcept {
return l.x == r.x
&& l.y == r.y;
}
}
TEST_CASE("detail") {
@@ -202,6 +212,75 @@ TEST_CASE("world") {
REQUIRE_FALSE(ww.find_component<velocity_c>(e2));
}
}
{
ecs::world w;
auto e1 = w.create_entity();
REQUIRE(e1.find_components<>() ==
std::make_tuple());
REQUIRE(e1.find_components<velocity_c>() ==
std::make_tuple<velocity_c*>(nullptr));
REQUIRE(e1.find_components<position_c, velocity_c>() ==
std::make_tuple<position_c*, velocity_c*>(nullptr, nullptr));
REQUIRE(e1.get_components<>() == std::make_tuple());
REQUIRE_THROWS(e1.get_components<velocity_c>());
REQUIRE_THROWS(e1.get_components<position_c, velocity_c>());
{
const auto ee1 = e1;
REQUIRE(ee1.find_components<>() ==
std::make_tuple());
REQUIRE(ee1.find_components<velocity_c>() ==
std::make_tuple<velocity_c*>(nullptr));
REQUIRE(ee1.find_components<position_c, velocity_c>() ==
std::make_tuple<position_c*, velocity_c*>(nullptr, nullptr));
REQUIRE(ee1.get_components<>() == std::make_tuple());
REQUIRE_THROWS(ee1.get_components<velocity_c>());
REQUIRE_THROWS(ee1.get_components<position_c, velocity_c>());
}
e1.assign_component<velocity_c>(3, 4);
REQUIRE(e1.find_components<velocity_c>() ==
std::make_tuple<velocity_c*>(e1.find_component<velocity_c>()));
REQUIRE(e1.find_components<position_c, velocity_c>() ==
std::make_tuple<position_c*, velocity_c*>(nullptr, e1.find_component<velocity_c>()));
REQUIRE(e1.get_components<velocity_c>() ==
std::make_tuple<velocity_c&>(e1.get_component<velocity_c>()));
REQUIRE_THROWS(e1.get_components<position_c, velocity_c>());
{
const auto ee1 = e1;
REQUIRE(ee1.find_components<velocity_c>() ==
std::make_tuple<velocity_c*>(e1.find_component<velocity_c>()));
REQUIRE(ee1.find_components<position_c, velocity_c>() ==
std::make_tuple<position_c*, velocity_c*>(nullptr, e1.find_component<velocity_c>()));
REQUIRE(ee1.get_components<velocity_c>() ==
std::make_tuple<const velocity_c&>(ee1.get_component<velocity_c>()));
REQUIRE_THROWS(ee1.get_components<position_c, velocity_c>());
}
e1.assign_component<position_c>(1, 2);
auto p = e1.get_components<position_c, velocity_c>();
std::get<0>(p).x = 10;
std::get<1>(p).x = 30;
REQUIRE(e1.get_component<position_c>().x == 10);
REQUIRE(e1.get_component<velocity_c>().x == 30);
auto p2 = e1.find_components<position_c, velocity_c>();
std::get<0>(p2)->y = 20;
std::get<1>(p2)->y = 40;
REQUIRE(e1.get_component<position_c>().y == 20);
REQUIRE(e1.get_component<velocity_c>().y == 40);
}
}
SECTION("for_each_component") {
{