Files
PixelDefense/engine/libs/flecs/test/cpp_api/src/Query.cpp

2366 lines
54 KiB
C++

#include <cpp_api.h>
struct Pair {
float value;
};
void Query_action(void) {
flecs::world world;
world.component<Position>();
world.component<Velocity>();
auto entity = flecs::entity(world)
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto q = world.query<Position, Velocity>();
q.iter([](flecs::iter& it, Position *p, Velocity *v) {
for (auto i : it) {
p[i].x += v[i].x;
p[i].y += v[i].y;
}
});
const Position *p = entity.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
}
void Query_action_const(void) {
flecs::world world;
world.component<Position>();
world.component<Velocity>();
auto entity = flecs::entity(world)
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto q = world.query<Position, const Velocity>();
q.iter([](flecs::iter& it, Position *p, const Velocity *v) {
for (auto i : it) {
p[i].x += v[i].x;
p[i].y += v[i].y;
}
});
const Position *p = entity.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
}
void Query_action_shared(void) {
flecs::world world;
world.component<Position>();
world.component<Velocity>();
auto base = flecs::entity(world)
.set<Velocity>({1, 2});
auto e1 = flecs::entity(world)
.set<Position>({10, 20})
.add(flecs::IsA, base);
auto e2 = flecs::entity(world)
.set<Position>({10, 20})
.set<Velocity>({3, 4});
auto q = world.query_builder<Position>()
.expr("Velocity(self|up)")
.build();
q.iter([](flecs::iter&it, Position *p) {
auto v = it.field<const Velocity>(2);
if (!it.is_self(2)) {
for (auto i : it) {
p[i].x += v->x;
p[i].y += v->y;
}
} else {
for (auto i : it) {
p[i].x += v[i].x;
p[i].y += v[i].y;
}
}
});
const Position *p = e1.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
p = e2.get<Position>();
test_int(p->x, 13);
test_int(p->y, 24);
}
void Query_action_optional(void) {
flecs::world world;
world.component<Position>();
world.component<Velocity>();
flecs::component<Mass>(world, "Mass");
auto e1 = flecs::entity(world)
.set<Position>({10, 20})
.set<Velocity>({1, 2})
.set<Mass>({1});
auto e2 = flecs::entity(world)
.set<Position>({30, 40})
.set<Velocity>({3, 4})
.set<Mass>({1});
auto e3 = flecs::entity(world)
.set<Position>({50, 60});
auto e4 = flecs::entity(world)
.set<Position>({70, 80});
auto q = world.query<Position, Velocity*, Mass*>();
q.iter([](flecs::iter& it, Position *p, Velocity *v, Mass *m) {
if (it.is_set(2) && it.is_set(3)) {
for (auto i : it) {
p[i].x += v[i].x * m[i].value;
p[i].y += v[i].y * m[i].value;
}
} else {
for (auto i : it) {
p[i].x ++;
p[i].y ++;
}
}
});
const Position *p = e1.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
p = e2.get<Position>();
test_int(p->x, 33);
test_int(p->y, 44);
p = e3.get<Position>();
test_int(p->x, 51);
test_int(p->y, 61);
p = e4.get<Position>();
test_int(p->x, 71);
test_int(p->y, 81);
}
void Query_each(void) {
flecs::world world;
world.component<Position>();
world.component<Velocity>();
auto entity = flecs::entity(world)
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto q = world.query<Position, Velocity>();
q.each([](flecs::entity e, Position& p, Velocity& v) {
p.x += v.x;
p.y += v.y;
});
const Position *p = entity.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
}
void Query_each_const(void) {
flecs::world world;
world.component<Position>();
world.component<Velocity>();
auto entity = flecs::entity(world)
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto q = world.query<Position, const Velocity>();
q.each([](flecs::entity e, Position& p, const Velocity& v) {
p.x += v.x;
p.y += v.y;
});
const Position *p = entity.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
}
void Query_each_shared(void) {
flecs::world world;
world.component<Position>();
world.component<Velocity>();
auto base = flecs::entity(world)
.set<Velocity>({1, 2});
auto e1 = flecs::entity(world)
.set<Position>({10, 20})
.add(flecs::IsA, base);
auto e2 = flecs::entity(world)
.set<Position>({20, 30})
.add(flecs::IsA, base);
auto e3 = flecs::entity(world)
.set<Position>({10, 20})
.set<Velocity>({3, 4});
auto q = world.query<Position, const Velocity>();
q.each([](flecs::entity e, Position& p, const Velocity& v) {
p.x += v.x;
p.y += v.y;
});
const Position *p = e1.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
p = e2.get<Position>();
test_int(p->x, 21);
test_int(p->y, 32);
p = e3.get<Position>();
test_int(p->x, 13);
test_int(p->y, 24);
}
void Query_each_optional(void) {
flecs::world world;
world.component<Position>();
world.component<Velocity>();
flecs::component<Mass>(world, "Mass");
auto e1 = flecs::entity(world)
.set<Position>({10, 20})
.set<Velocity>({1, 2})
.set<Mass>({1});
auto e2 = flecs::entity(world)
.set<Position>({30, 40})
.set<Velocity>({3, 4})
.set<Mass>({1});
auto e3 = flecs::entity(world)
.set<Position>({50, 60});
auto e4 = flecs::entity(world)
.set<Position>({70, 80});
auto q = world.query<Position, Velocity*, Mass*>();
q.each([](flecs::entity e, Position& p, Velocity* v, Mass *m) {
if (v && m) {
p.x += v->x * m->value;
p.y += v->y * m->value;
} else {
p.x ++;
p.y ++;
}
});
const Position *p = e1.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
p = e2.get<Position>();
test_int(p->x, 33);
test_int(p->y, 44);
p = e3.get<Position>();
test_int(p->x, 51);
test_int(p->y, 61);
p = e4.get<Position>();
test_int(p->x, 71);
test_int(p->y, 81);
}
void Query_signature(void) {
flecs::world world;
world.component<Position>();
world.component<Velocity>();
auto entity = flecs::entity(world)
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto q = world.query_builder<>().expr("Position, Velocity").build();
q.iter([](flecs::iter& it) {
auto p = it.field<Position>(1);
auto v = it.field<Velocity>(2);
for (auto i : it) {
p[i].x += v[i].x;
p[i].y += v[i].y;
}
});
const Position *p = entity.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
}
void Query_signature_const(void) {
flecs::world world;
world.component<Position>();
world.component<Velocity>();
auto entity = flecs::entity(world)
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto q = world.query_builder<>().expr("Position, [in] Velocity").build();
q.iter([](flecs::iter& it) {
auto p = it.field<Position>(1);
auto v = it.field<const Velocity>(2);
for (auto i : it) {
p[i].x += v[i].x;
p[i].y += v[i].y;
}
});
const Position *p = entity.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
}
void Query_signature_shared(void) {
flecs::world world;
world.component<Position>();
world.component<Velocity>();
auto base = flecs::entity(world)
.set<Velocity>({1, 2});
auto e1 = flecs::entity(world)
.set<Position>({10, 20})
.add(flecs::IsA, base);
auto e2 = flecs::entity(world)
.set<Position>({10, 20})
.set<Velocity>({3, 4});
auto q = world.query_builder<>()
.expr("Position, [in] Velocity(self|up)")
.build();
q.iter([](flecs::iter&it) {
auto p = it.field<Position>(1);
auto v = it.field<const Velocity>(2);
if (!it.is_self(2)) {
for (auto i : it) {
p[i].x += v->x;
p[i].y += v->y;
}
} else {
for (auto i : it) {
p[i].x += v[i].x;
p[i].y += v[i].y;
}
}
});
const Position *p = e1.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
p = e2.get<Position>();
test_int(p->x, 13);
test_int(p->y, 24);
}
void Query_signature_optional(void) {
flecs::world world;
world.component<Position>();
world.component<Velocity>();
flecs::component<Mass>(world, "Mass");
auto e1 = flecs::entity(world)
.set<Position>({10, 20})
.set<Velocity>({1, 2})
.set<Mass>({1});
auto e2 = flecs::entity(world)
.set<Position>({30, 40})
.set<Velocity>({3, 4})
.set<Mass>({1});
auto e3 = flecs::entity(world)
.set<Position>({50, 60});
auto e4 = flecs::entity(world)
.set<Position>({70, 80});
auto q = world.query_builder<>().expr("Position, ?Velocity, ?Mass").build();
q.iter([](flecs::iter& it) {
auto p = it.field<Position>(1);
auto v = it.field<const Velocity>(2);
auto m = it.field<const Mass>(3);
if (it.is_set(2) && it.is_set(3)) {
for (auto i : it) {
p[i].x += v[i].x * m[i].value;
p[i].y += v[i].y * m[i].value;
}
} else {
for (auto i : it) {
p[i].x ++;
p[i].y ++;
}
}
});
const Position *p = e1.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
p = e2.get<Position>();
test_int(p->x, 33);
test_int(p->y, 44);
p = e3.get<Position>();
test_int(p->x, 51);
test_int(p->y, 61);
p = e4.get<Position>();
test_int(p->x, 71);
test_int(p->y, 81);
}
void Query_subquery(void) {
flecs::world world;
auto e1 = flecs::entity(world)
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto e2 = flecs::entity(world)
.set<Velocity>({1, 2});
auto q = world.query<Position>();
auto sq = world.query_builder<Velocity>().observable(q).build();
sq.each([](flecs::entity e, Velocity& v) {
v.x ++;
v.y ++;
});
const Velocity *v = e1.get<Velocity>();
test_int(v->x, 2);
test_int(v->y, 3);
v = e2.get<Velocity>();
test_int(v->x, 1);
test_int(v->y, 2);
}
void Query_subquery_w_expr(void) {
flecs::world world;
auto e1 = flecs::entity(world)
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto e2 = flecs::entity(world)
.set<Velocity>({1, 2});
auto q = world.query<Position>();
auto sq = world.query_builder<>().observable(q).expr("Velocity").build();
sq.iter([](flecs::iter it) {
auto v = it.field<Velocity>(1);
for (auto i : it) {
v[i].x ++;
v[i].y ++;
}
});
const Velocity *v = e1.get<Velocity>();
test_int(v->x, 2);
test_int(v->y, 3);
v = e2.get<Velocity>();
test_int(v->x, 1);
test_int(v->y, 2);
}
void Query_query_single_pair(void) {
flecs::world world;
flecs::entity(world).add<Pair, Position>();
auto e2 = flecs::entity(world).add<Pair, Velocity>();
auto q = world.query_builder<>()
.expr("(Pair, Velocity)")
.build();
int32_t table_count = 0;
int32_t entity_count = 0;
q.iter([&](flecs::iter it) {
table_count ++;
for (auto i : it) {
test_assert(it.entity(i) == e2);
entity_count ++;
}
});
test_int(table_count, 1);
test_int(entity_count, 1);
}
void Query_tag_w_each(void) {
flecs::world world;
auto q = world.query<Tag>();
auto e = world.entity()
.add<Tag>();
q.each([&](flecs::entity qe, Tag) {
test_assert(qe == e);
});
}
void Query_shared_tag_w_each(void) {
flecs::world world;
auto q = world.query<Tag>();
auto base = world.prefab()
.add<Tag>();
auto e = world.entity()
.add(flecs::IsA, base);
q.each([&](flecs::entity qe, Tag) {
test_assert(qe == e);
});
}
static
int compare_position(
flecs::entity_t e1,
const Position *p1,
flecs::entity_t e2,
const Position *p2)
{
return (p1->x > p2->x) - (p1->x < p2->x);
}
void Query_sort_by(void) {
flecs::world world;
world.entity().set<Position>({1, 0});
world.entity().set<Position>({6, 0});
world.entity().set<Position>({2, 0});
world.entity().set<Position>({5, 0});
world.entity().set<Position>({4, 0});
auto q = world.query_builder<Position>()
.order_by(compare_position)
.build();
q.iter([](flecs::iter it, Position *p) {
test_int(it.count(), 5);
test_int(p[0].x, 1);
test_int(p[1].x, 2);
test_int(p[2].x, 4);
test_int(p[3].x, 5);
test_int(p[4].x, 6);
});
}
void Query_changed(void) {
flecs::world world;
auto e = world.entity().set<Position>({1, 0});
auto q = world.query<const Position>();
auto q_w = world.query<Position>();
test_bool(q.changed(), true);
q.each([](const Position& p) { });
test_bool(q.changed(), false);
e.set<Position>({2, 0});
test_bool(q.changed(), true);
q.each([](const Position& p) { });
test_bool(q.changed(), false); // Reset state
q_w.each([](Position& p) { }); // Query has out term
test_bool(q.changed(), true);
}
void Query_orphaned(void) {
flecs::world world;
auto q = world.query<Position>();
auto sq = world.query_builder<Position>().observable(q).build();
test_assert(!q.orphaned());
test_assert(!sq.orphaned());
q.destruct();
test_assert(sq.orphaned());
}
void Query_default_ctor(void) {
flecs::world world;
flecs::query<Position> q_var;
int count = 0;
auto q = world.query<Position>();
world.entity().set<Position>({10, 20});
q_var = q;
q_var.each([&](flecs::entity e, Position& p) {
test_int(p.x, 10);
test_int(p.y, 20);
count ++;
});
test_int(count, 1);
}
void Query_expr_w_template(void) {
flecs::world world;
auto comp = world.component<Template<int>>();
test_str(comp.name(), "Template<int>");
int count = 0;
auto q = world.query_builder<Position>().expr("Template<int>").build();
world.entity()
.set<Position>({10, 20})
.set<Template<int>>({30, 40});
q.each([&](flecs::entity e, Position& p) {
test_int(p.x, 10);
test_int(p.y, 20);
const Template<int> *t = e.get<Template<int>>();
test_int(t->x, 30);
test_int(t->y, 40);
count ++;
});
test_int(count, 1);
}
void Query_query_type_w_template(void) {
flecs::world world;
auto comp = world.component<Template<int>>();
test_str(comp.name(), "Template<int>");
int count = 0;
auto q = world.query<Position, Template<int>>();
world.entity()
.set<Position>({10, 20})
.set<Template<int>>({30, 40});
q.each([&](flecs::entity e, Position& p, Template<int>& t) {
test_int(p.x, 10);
test_int(p.y, 20);
test_int(t.x, 30);
test_int(t.y, 40);
count ++;
});
test_int(count, 1);
}
void Query_compare_term_id(void) {
flecs::world world;
int count = 0;
auto e = world.entity().add<Tag>();
auto q = world.query_builder<>()
.term<Tag>()
.build();
q.iter([&](flecs::iter& it) {
test_assert(it.id(1) == it.world().id<Tag>());
test_assert(it.entity(0) == e);
count ++;
});
test_int(count, 1);
}
void Query_test_no_defer_each(void) {
install_test_abort();
flecs::world world;
struct Value { int value; };
world.entity().add<Tag>().set<Value>({10});
auto q = world.query_builder<Value>().term<Tag>().build();
q.each([](flecs::entity e, Value& v) {
test_expect_abort();
e.remove<Tag>();
});
test_assert(false); // Should never get here
}
void Query_test_no_defer_iter(void) {
install_test_abort();
flecs::world world;
struct Value { int value; };
world.entity().add<Tag>().set<Value>({10});
auto q = world.query_builder<Value>().term<Tag>().build();
q.iter([](flecs::iter& it, Value *v) {
for (auto i : it) {
test_expect_abort();
it.entity(i).remove<Tag>();
}
});
test_assert(false); // Should never get here
}
void Query_inspect_terms(void) {
flecs::world world;
auto p = world.entity();
auto q = world.query_builder<Position>()
.term<Velocity>()
.term(flecs::ChildOf, p)
.build();
test_int(3, q.field_count());
auto t = q.term(0);
test_int(t.id(), world.id<Position>());
test_int(t.oper(), flecs::And);
test_int(t.inout(), flecs::InOutDefault);
t = q.term(1);
test_int(t.id(), world.id<Velocity>());
test_int(t.oper(), flecs::And);
test_int(t.inout(), flecs::InOutDefault);
t = q.term(2);
test_int(t.id(), world.pair(flecs::ChildOf, p));
test_int(t.oper(), flecs::And);
test_int(t.inout(), flecs::InOutDefault);
test_assert(t.id().second() == p);
}
void Query_inspect_terms_w_each(void) {
flecs::world world;
auto p = world.entity();
auto q = world.query_builder<Position>()
.term<Velocity>()
.term(flecs::ChildOf, p)
.build();
int32_t count = 0;
q.each_term([&](flecs::term& t) {
if (count == 0) {
test_int(t.id(), world.id<Position>());
} else if (count == 1) {
test_int(t.id(), world.id<Velocity>());
} else if (count == 2) {
test_int(t.id(), world.pair(flecs::ChildOf, p));
test_assert(t.id().second() == p);
} else {
test_assert(false);
}
test_int(t.oper(), flecs::And);
test_int(t.inout(), flecs::InOutDefault);
count ++;
});
test_int(count, 3);
}
void Query_inspect_terms_w_expr(void) {
flecs::world ecs;
flecs::query<> f = ecs.query_builder()
.expr("(ChildOf,0)")
.build();
int32_t count = 0;
f.each_term([&](flecs::term &term) {
test_assert(term.id().is_pair());
count ++;
});
test_int(count, 1);
}
void Query_comp_to_str(void) {
flecs::world ecs;
auto q = ecs.query_builder<Position>()
.term<Velocity>()
.build();
test_str(q.str(), "Position, Velocity");
}
struct Eats { int amount; };
struct Apples { };
struct Pears { };
void Query_pair_to_str(void) {
flecs::world ecs;
auto q = ecs.query_builder<Position>()
.term<Velocity>()
.term<Eats, Apples>()
.build();
test_str(q.str(), "Position, Velocity, (Eats,Apples)");
}
void Query_oper_not_to_str(void) {
flecs::world ecs;
auto q = ecs.query_builder<Position>()
.term<Velocity>().oper(flecs::Not)
.build();
test_str(q.str(), "Position, !Velocity");
}
void Query_oper_optional_to_str(void) {
flecs::world ecs;
auto q = ecs.query_builder<Position>()
.term<Velocity>().oper(flecs::Optional)
.build();
test_str(q.str(), "Position, ?Velocity");
}
void Query_oper_or_to_str(void) {
flecs::world ecs;
auto q = ecs.query_builder<>()
.term<Position>().oper(flecs::Or)
.term<Velocity>()
.build();
test_str(q.str(), "Position || Velocity");
}
using EatsApples = flecs::pair<Eats, Apples>;
using EatsPears = flecs::pair<Eats, Pears>;
void Query_each_pair_type(void) {
flecs::world ecs;
auto e1 = ecs.entity()
.set<EatsApples>({10});
ecs.entity()
.set<EatsPears>({20});
auto q = ecs.query<EatsApples>();
int count = 0;
q.each([&](flecs::entity e, EatsApples&& a) {
test_int(a->amount, 10);
test_assert(e == e1);
a->amount ++;
count ++;
});
test_int(count, 1);
auto v = e1.get<EatsApples>();
test_assert(v != NULL);
test_int(v->amount, 11);
}
void Query_iter_pair_type(void) {
flecs::world ecs;
auto e1 = ecs.entity()
.set<EatsApples>({10});
ecs.entity()
.set<EatsPears>({20});
auto q = ecs.query<EatsApples>();
int count = 0;
q.iter([&](flecs::iter& it, Eats* a) {
test_int(it.count(), 1);
test_int(a->amount, 10);
test_assert(it.entity(0) == e1);
a->amount ++;
count ++;
});
test_int(count, 1);
auto v = e1.get<EatsApples>();
test_assert(v != NULL);
test_int(v->amount, 11);
}
void Query_term_pair_type(void) {
flecs::world ecs;
auto e1 = ecs.entity()
.set<EatsApples>({10});
ecs.entity()
.set<EatsPears>({20});
auto q = ecs.query_builder<>()
.term<EatsApples>()
.build();
int count = 0;
q.iter([&](flecs::iter& it) {
test_int(it.count(), 1);
auto a = it.field<EatsApples>(1);
test_int(a->amount, 10);
test_assert(it.entity(0) == e1);
a->amount ++;
count ++;
});
test_int(count, 1);
auto v = e1.get<EatsApples>();
test_assert(v != NULL);
test_int(v->amount, 11);
}
void Query_each_no_entity_1_comp(void) {
flecs::world ecs;
auto e = ecs.entity()
.set(Position{1, 2});
auto q = ecs.query<Position>();
int32_t count = 0;
q.each([&](Position& p) {
test_int(p.x, 1);
test_int(p.y, 2);
p.x += 1;
p.y += 2;
count ++;
});
test_int(count, 1);
auto pos = e.get<Position>();
test_int(pos->x, 2);
test_int(pos->y, 4);
}
void Query_each_no_entity_2_comps(void) {
flecs::world ecs;
auto e = ecs.entity()
.set(Position{1, 2})
.set(Velocity{10, 20});
auto q = ecs.query<Position, Velocity>();
int32_t count = 0;
q.each([&](Position& p, Velocity& v) {
test_int(p.x, 1);
test_int(p.y, 2);
test_int(v.x, 10);
test_int(v.y, 20);
p.x += 1;
p.y += 2;
v.x += 1;
v.y += 2;
count ++;
});
test_int(count, 1);
test_bool(e.get([](const Position& p, const Velocity& v) {
test_int(p.x, 2);
test_int(p.y, 4);
test_int(v.x, 11);
test_int(v.y, 22);
}), true);
test_int(count, 1);
}
void Query_iter_no_comps_1_comp(void) {
flecs::world ecs;
ecs.entity().add<Position>();
ecs.entity().add<Position>();
ecs.entity().add<Position>().add<Velocity>();
ecs.entity().add<Velocity>();
auto q = ecs.query<Position>();
int32_t count = 0;
q.iter([&](flecs::iter& it) {
count += it.count();
});
test_int(count, 3);
}
void Query_iter_no_comps_2_comps(void) {
flecs::world ecs;
ecs.entity().add<Velocity>();
ecs.entity().add<Position>();
ecs.entity().add<Position>().add<Velocity>();
ecs.entity().add<Position>().add<Velocity>();
auto q = ecs.query<Position, Velocity>();
int32_t count = 0;
q.iter([&](flecs::iter& it) {
count += it.count();
});
test_int(count, 2);
}
void Query_iter_no_comps_no_comps(void) {
flecs::world ecs;
ecs.entity().add<Velocity>();
ecs.entity().add<Position>();
ecs.entity().add<Position>().add<Velocity>();
ecs.entity().add<Position>().add<Velocity>();
auto q = ecs.query_builder<>()
.term<Position>()
.build();
int32_t count = 0;
q.iter([&](flecs::iter& it) {
count += it.count();
});
test_int(count, 3);
}
#include <iostream>
struct Event {
const char *value;
};
struct Begin { };
struct End { };
using BeginEvent = flecs::pair<Begin, Event>;
using EndEvent = flecs::pair<End, Event>;
void Query_each_pair_object(void) {
flecs::world ecs;
auto e1 = ecs.entity()
.set_second<Begin, Event>({"Big Bang"})
.set<EndEvent>({"Heat Death"});
auto q = ecs.query<BeginEvent, EndEvent>();
int32_t count = 0;
q.each([&](flecs::entity e, BeginEvent b_e, EndEvent e_e) {
test_assert(e == e1);
test_str(b_e->value, "Big Bang");
test_str(e_e->value, "Heat Death");
count ++;
});
test_int(count, 1);
}
void Query_iter_pair_object(void) {
flecs::world ecs;
auto e1 = ecs.entity()
.set_second<Begin, Event>({"Big Bang"})
.set<EndEvent>({"Heat Death"});
auto q = ecs.query<BeginEvent, EndEvent>();
int32_t count = 0;
q.iter([&](flecs::iter it, Event *b_e, Event *e_e) {
for (auto i : it) {
test_assert(it.entity(i) == e1);
test_str(b_e[i].value, "Big Bang");
test_str(e_e[i].value, "Heat Death");
count ++;
}
});
test_int(count, 1);
}
void Query_iter_query_in_system(void) {
flecs::world ecs;
ecs.entity().add<Position>().add<Velocity>();
auto q = ecs.query<Velocity>();
int32_t count = 0;
ecs.system<Position>()
.each([&](flecs::entity e1, Position&) {
q.each([&](flecs::entity e2, Velocity&) {
count ++;
});
});
ecs.progress();
test_int(count, 1);
}
void Query_iter_type(void) {
flecs::world ecs;
ecs.entity().add<Position>();
ecs.entity().add<Position>().add<Velocity>();
auto q = ecs.query<Position>();
q.iter([&](flecs::iter it) {
test_assert(it.type().count() >= 1);
test_assert(it.table().has<Position>());
});
}
void Query_instanced_query_w_singleton_each(void) {
flecs::world ecs;
ecs.set<Velocity>({1, 2});
auto e1 = ecs.entity().set<Position>({10, 20}); e1.set<Self>({e1});
auto e2 = ecs.entity().set<Position>({20, 30}); e2.set<Self>({e2});
auto e3 = ecs.entity().set<Position>({30, 40}); e3.set<Self>({e3});
auto e4 = ecs.entity().set<Position>({40, 50}); e4.set<Self>({e4});
auto e5 = ecs.entity().set<Position>({50, 60}); e5.set<Self>({e5});
e4.add<Tag>();
e5.add<Tag>();
auto q = ecs.query_builder<Self, Position, const Velocity>()
.arg(3).singleton()
.instanced()
.build();
int32_t count = 0;
q.each([&](flecs::entity e, Self& s, Position&p, const Velocity& v) {
test_assert(e == s.value);
p.x += v.x;
p.y += v.y;
count ++;
});
test_int(count, 5);
test_assert(e1.get([](const Position& p) {
test_int(p.x, 11);
test_int(p.y, 22);
}));
test_assert(e2.get([](const Position& p) {
test_int(p.x, 21);
test_int(p.y, 32);
}));
test_assert(e3.get([](const Position& p) {
test_int(p.x, 31);
test_int(p.y, 42);
}));
test_assert(e4.get([](const Position& p) {
test_int(p.x, 41);
test_int(p.y, 52);
}));
test_assert(e5.get([](const Position& p) {
test_int(p.x, 51);
test_int(p.y, 62);
}));
}
void Query_instanced_query_w_base_each(void) {
flecs::world ecs;
auto base = ecs.entity().set<Velocity>({1, 2});
auto e1 = ecs.entity().is_a(base).set<Position>({10, 20}); e1.set<Self>({e1});
auto e2 = ecs.entity().is_a(base).set<Position>({20, 30}); e2.set<Self>({e2});
auto e3 = ecs.entity().is_a(base).set<Position>({30, 40}); e3.set<Self>({e3});
auto e4 = ecs.entity().is_a(base).set<Position>({40, 50}).add<Tag>(); e4.set<Self>({e4});
auto e5 = ecs.entity().is_a(base).set<Position>({50, 60}).add<Tag>(); e5.set<Self>({e5});
auto e6 = ecs.entity().set<Position>({60, 70}).set<Velocity>({2, 3}); e6.set<Self>({e6});
auto e7 = ecs.entity().set<Position>({70, 80}).set<Velocity>({4, 5}); e7.set<Self>({e7});
auto q = ecs.query_builder<Self, Position, const Velocity>()
.instanced()
.build();
int32_t count = 0;
q.each([&](flecs::entity e, Self& s, Position&p, const Velocity& v) {
test_assert(e == s.value);
p.x += v.x;
p.y += v.y;
count ++;
});
test_int(count, 7);
test_assert(e1.get([](const Position& p) {
test_int(p.x, 11);
test_int(p.y, 22);
}));
test_assert(e2.get([](const Position& p) {
test_int(p.x, 21);
test_int(p.y, 32);
}));
test_assert(e3.get([](const Position& p) {
test_int(p.x, 31);
test_int(p.y, 42);
}));
test_assert(e4.get([](const Position& p) {
test_int(p.x, 41);
test_int(p.y, 52);
}));
test_assert(e5.get([](const Position& p) {
test_int(p.x, 51);
test_int(p.y, 62);
}));
test_assert(e6.get([](const Position& p) {
test_int(p.x, 62);
test_int(p.y, 73);
}));
test_assert(e7.get([](const Position& p) {
test_int(p.x, 74);
test_int(p.y, 85);
}));
}
void Query_un_instanced_query_w_singleton_each(void) {
flecs::world ecs;
ecs.set<Velocity>({1, 2});
auto e1 = ecs.entity().set<Position>({10, 20}); e1.set<Self>({e1});
auto e2 = ecs.entity().set<Position>({20, 30}); e2.set<Self>({e2});
auto e3 = ecs.entity().set<Position>({30, 40}); e3.set<Self>({e3});
auto e4 = ecs.entity().set<Position>({40, 50}); e4.set<Self>({e4});
auto e5 = ecs.entity().set<Position>({50, 60}); e5.set<Self>({e5});
e4.add<Tag>();
e5.add<Tag>();
auto q = ecs.query_builder<Self, Position, const Velocity>()
.arg(3).singleton()
.build();
int32_t count = 0;
q.each([&](flecs::entity e, Self& s, Position&p, const Velocity& v) {
test_assert(e == s.value);
p.x += v.x;
p.y += v.y;
count ++;
});
test_int(count, 5);
test_assert(e1.get([](const Position& p) {
test_int(p.x, 11);
test_int(p.y, 22);
}));
test_assert(e2.get([](const Position& p) {
test_int(p.x, 21);
test_int(p.y, 32);
}));
test_assert(e3.get([](const Position& p) {
test_int(p.x, 31);
test_int(p.y, 42);
}));
test_assert(e4.get([](const Position& p) {
test_int(p.x, 41);
test_int(p.y, 52);
}));
test_assert(e5.get([](const Position& p) {
test_int(p.x, 51);
test_int(p.y, 62);
}));
}
void Query_un_instanced_query_w_base_each(void) {
flecs::world ecs;
auto base = ecs.entity().set<Velocity>({1, 2});
auto e1 = ecs.entity().is_a(base).set<Position>({10, 20}); e1.set<Self>({e1});
auto e2 = ecs.entity().is_a(base).set<Position>({20, 30}); e2.set<Self>({e2});
auto e3 = ecs.entity().is_a(base).set<Position>({30, 40}); e3.set<Self>({e3});
auto e4 = ecs.entity().is_a(base).set<Position>({40, 50}).add<Tag>(); e4.set<Self>({e4});
auto e5 = ecs.entity().is_a(base).set<Position>({50, 60}).add<Tag>(); e5.set<Self>({e5});
auto e6 = ecs.entity().set<Position>({60, 70}).set<Velocity>({2, 3}); e6.set<Self>({e6});
auto e7 = ecs.entity().set<Position>({70, 80}).set<Velocity>({4, 5}); e7.set<Self>({e7});
auto q = ecs.query_builder<Self, Position, const Velocity>()
.build();
int32_t count = 0;
q.each([&](flecs::entity e, Self& s, Position&p, const Velocity& v) {
test_assert(e == s.value);
p.x += v.x;
p.y += v.y;
count ++;
});
test_int(count, 7);
test_assert(e1.get([](const Position& p) {
test_int(p.x, 11);
test_int(p.y, 22);
}));
test_assert(e2.get([](const Position& p) {
test_int(p.x, 21);
test_int(p.y, 32);
}));
test_assert(e3.get([](const Position& p) {
test_int(p.x, 31);
test_int(p.y, 42);
}));
test_assert(e4.get([](const Position& p) {
test_int(p.x, 41);
test_int(p.y, 52);
}));
test_assert(e5.get([](const Position& p) {
test_int(p.x, 51);
test_int(p.y, 62);
}));
test_assert(e6.get([](const Position& p) {
test_int(p.x, 62);
test_int(p.y, 73);
}));
test_assert(e7.get([](const Position& p) {
test_int(p.x, 74);
test_int(p.y, 85);
}));
}
void Query_instanced_query_w_singleton_iter(void) {
flecs::world ecs;
ecs.set<Velocity>({1, 2});
auto e1 = ecs.entity().set<Position>({10, 20}); e1.set<Self>({e1});
auto e2 = ecs.entity().set<Position>({20, 30}); e2.set<Self>({e2});
auto e3 = ecs.entity().set<Position>({30, 40}); e3.set<Self>({e3});
auto e4 = ecs.entity().set<Position>({40, 50}); e4.set<Self>({e4});
auto e5 = ecs.entity().set<Position>({50, 60}); e5.set<Self>({e5});
e4.add<Tag>();
e5.add<Tag>();
auto q = ecs.query_builder<Self, Position, const Velocity>()
.arg(3).singleton()
.instanced()
.build();
int32_t count = 0;
q.iter([&](flecs::iter it, Self* s, Position* p, const Velocity* v) {
test_assert(it.count() > 1);
for (auto i : it) {
p[i].x += v->x;
p[i].y += v->y;
test_assert(it.entity(i) == s[i].value);
count ++;
}
});
test_int(count, 5);
test_assert(e1.get([](const Position& p) {
test_int(p.x, 11);
test_int(p.y, 22);
}));
test_assert(e2.get([](const Position& p) {
test_int(p.x, 21);
test_int(p.y, 32);
}));
test_assert(e3.get([](const Position& p) {
test_int(p.x, 31);
test_int(p.y, 42);
}));
test_assert(e4.get([](const Position& p) {
test_int(p.x, 41);
test_int(p.y, 52);
}));
test_assert(e5.get([](const Position& p) {
test_int(p.x, 51);
test_int(p.y, 62);
}));
}
void Query_instanced_query_w_base_iter(void) {
flecs::world ecs;
auto base = ecs.entity().set<Velocity>({1, 2});
auto e1 = ecs.entity().is_a(base).set<Position>({10, 20}); e1.set<Self>({e1});
auto e2 = ecs.entity().is_a(base).set<Position>({20, 30}); e2.set<Self>({e2});
auto e3 = ecs.entity().is_a(base).set<Position>({30, 40}); e3.set<Self>({e3});
auto e4 = ecs.entity().is_a(base).set<Position>({40, 50}).add<Tag>(); e4.set<Self>({e4});
auto e5 = ecs.entity().is_a(base).set<Position>({50, 60}).add<Tag>(); e5.set<Self>({e5});
auto e6 = ecs.entity().set<Position>({60, 70}).set<Velocity>({2, 3}); e6.set<Self>({e6});
auto e7 = ecs.entity().set<Position>({70, 80}).set<Velocity>({4, 5}); e7.set<Self>({e7});
auto q = ecs.query_builder<Self, Position, const Velocity>()
.instanced()
.build();
int32_t count = 0;
q.iter([&](flecs::iter it, Self* s, Position* p, const Velocity* v) {
test_assert(it.count() > 1);
for (auto i : it) {
if (it.is_self(3)) {
p[i].x += v[i].x;
p[i].y += v[i].y;
} else {
p[i].x += v->x;
p[i].y += v->y;
}
test_assert(it.entity(i) == s[i].value);
count ++;
}
});
test_int(count, 7);
test_assert(e1.get([](const Position& p) {
test_int(p.x, 11);
test_int(p.y, 22);
}));
test_assert(e2.get([](const Position& p) {
test_int(p.x, 21);
test_int(p.y, 32);
}));
test_assert(e3.get([](const Position& p) {
test_int(p.x, 31);
test_int(p.y, 42);
}));
test_assert(e4.get([](const Position& p) {
test_int(p.x, 41);
test_int(p.y, 52);
}));
test_assert(e5.get([](const Position& p) {
test_int(p.x, 51);
test_int(p.y, 62);
}));
test_assert(e6.get([](const Position& p) {
test_int(p.x, 62);
test_int(p.y, 73);
}));
test_assert(e7.get([](const Position& p) {
test_int(p.x, 74);
test_int(p.y, 85);
}));
}
void Query_un_instanced_query_w_singleton_iter(void) {
flecs::world ecs;
ecs.set<Velocity>({1, 2});
auto e1 = ecs.entity().set<Position>({10, 20}); e1.set<Self>({e1});
auto e2 = ecs.entity().set<Position>({20, 30}); e2.set<Self>({e2});
auto e3 = ecs.entity().set<Position>({30, 40}); e3.set<Self>({e3});
auto e4 = ecs.entity().set<Position>({40, 50}); e4.set<Self>({e4});
auto e5 = ecs.entity().set<Position>({50, 60}); e5.set<Self>({e5});
e4.add<Tag>();
e5.add<Tag>();
auto q = ecs.query_builder<Self, Position, const Velocity>()
.arg(3).singleton()
.build();
int32_t count = 0;
q.iter([&](flecs::iter it, Self* s, Position* p, const Velocity* v) {
test_assert(it.count() == 1);
for (auto i : it) {
p[i].x += v[i].x;
p[i].y += v[i].y;
test_assert(it.entity(i) == s[i].value);
count ++;
}
});
test_int(count, 5);
test_assert(e1.get([](const Position& p) {
test_int(p.x, 11);
test_int(p.y, 22);
}));
test_assert(e2.get([](const Position& p) {
test_int(p.x, 21);
test_int(p.y, 32);
}));
test_assert(e3.get([](const Position& p) {
test_int(p.x, 31);
test_int(p.y, 42);
}));
test_assert(e4.get([](const Position& p) {
test_int(p.x, 41);
test_int(p.y, 52);
}));
test_assert(e5.get([](const Position& p) {
test_int(p.x, 51);
test_int(p.y, 62);
}));
}
void Query_un_instanced_query_w_base_iter(void) {
flecs::world ecs;
auto base = ecs.entity().set<Velocity>({1, 2});
auto e1 = ecs.entity().is_a(base).set<Position>({10, 20}); e1.set<Self>({e1});
auto e2 = ecs.entity().is_a(base).set<Position>({20, 30}); e2.set<Self>({e2});
auto e3 = ecs.entity().is_a(base).set<Position>({30, 40}); e3.set<Self>({e3});
auto e4 = ecs.entity().is_a(base).set<Position>({40, 50}).add<Tag>(); e4.set<Self>({e4});
auto e5 = ecs.entity().is_a(base).set<Position>({50, 60}).add<Tag>(); e5.set<Self>({e5});
auto e6 = ecs.entity().set<Position>({60, 70}).set<Velocity>({2, 3}); e6.set<Self>({e6});
auto e7 = ecs.entity().set<Position>({70, 80}).set<Velocity>({4, 5}); e7.set<Self>({e7});
auto q = ecs.query_builder<Self, Position, const Velocity>()
.build();
int32_t count = 0;
q.iter([&](flecs::iter it, Self* s, Position* p, const Velocity* v) {
for (auto i : it) {
p[i].x += v[i].x;
p[i].y += v[i].y;
test_assert(it.entity(i) == s[i].value);
count ++;
}
});
test_int(count, 7);
test_assert(e1.get([](const Position& p) {
test_int(p.x, 11);
test_int(p.y, 22);
}));
test_assert(e2.get([](const Position& p) {
test_int(p.x, 21);
test_int(p.y, 32);
}));
test_assert(e3.get([](const Position& p) {
test_int(p.x, 31);
test_int(p.y, 42);
}));
test_assert(e4.get([](const Position& p) {
test_int(p.x, 41);
test_int(p.y, 52);
}));
test_assert(e5.get([](const Position& p) {
test_int(p.x, 51);
test_int(p.y, 62);
}));
test_assert(e6.get([](const Position& p) {
test_int(p.x, 62);
test_int(p.y, 73);
}));
test_assert(e7.get([](const Position& p) {
test_int(p.x, 74);
test_int(p.y, 85);
}));
}
void Query_default_ctor_no_assign(void) {
flecs::query<> q;
// Make sure code compiles & works
test_assert(true);
}
void Query_query_each_from_component(void) {
flecs::world w;
w.entity().set<Position>({}).set<Velocity>({});
w.entity().set<Position>({}).set<Velocity>({});
struct QueryComponent {
flecs::query<Position, Velocity> q;
};
auto q = w.query<Position, Velocity>();
auto e = w.entity().set<QueryComponent>({ q });
const QueryComponent *qc = e.get<QueryComponent>();
test_assert(qc != nullptr);
int count = 0;
qc->q.each([&](Position&, Velocity&) { // Ensure we can iterate const query
count ++;
});
test_int(count, 2);
}
void Query_query_iter_from_component(void) {
flecs::world w;
w.entity().set<Position>({}).set<Velocity>({});
w.entity().set<Position>({}).set<Velocity>({});
struct QueryComponent {
flecs::query<Position, Velocity> q;
};
auto q = w.query<Position, Velocity>();
auto e = w.entity().set<QueryComponent>({ q });
const QueryComponent *qc = e.get<QueryComponent>();
test_assert(qc != nullptr);
int count = 0;
qc->q.iter([&](flecs::iter& it) { // Ensure we can iterate const query
count += it.count();
});
test_int(count, 2);
}
static int invoked_count = 0;
void EachFunc(flecs::entity e, Position& p) {
invoked_count ++;
p.x ++;
p.y ++;
}
void IterFunc(flecs::iter& it, Position* p) {
test_int(it.count(), 1);
invoked_count ++;
p->x ++;
p->y ++;
}
void Query_query_each_w_func_ptr(void) {
flecs::world w;
auto e = w.entity().set<Position>({10, 20});
auto q = w.query<Position>();
q.each(&EachFunc);
test_int(invoked_count, 1);
const Position *ptr = e.get<Position>();
test_int(ptr->x, 11);
test_int(ptr->y, 21);
}
void Query_query_iter_w_func_ptr(void) {
flecs::world w;
auto e = w.entity().set<Position>({10, 20});
auto q = w.query<Position>();
q.iter(&IterFunc);
test_int(invoked_count, 1);
const Position *ptr = e.get<Position>();
test_int(ptr->x, 11);
test_int(ptr->y, 21);
}
void Query_query_each_w_func_no_ptr(void) {
flecs::world w;
auto e = w.entity().set<Position>({10, 20});
auto q = w.query<Position>();
q.each(EachFunc);
test_int(invoked_count, 1);
const Position *ptr = e.get<Position>();
test_int(ptr->x, 11);
test_int(ptr->y, 21);
}
void Query_query_iter_w_func_no_ptr(void) {
flecs::world w;
auto e = w.entity().set<Position>({10, 20});
auto q = w.query<Position>();
q.iter(IterFunc);
test_int(invoked_count, 1);
const Position *ptr = e.get<Position>();
test_int(ptr->x, 11);
test_int(ptr->y, 21);
}
void Query_query_each_w_iter(void) {
flecs::world w;
auto e1 = w.entity(); e1.set<Self>({e1});
e1.set<Position>({10, 20});
auto e2 = w.entity(); e2.set<Self>({e2});
e2.set<Position>({20, 30});
auto q = w.query<Self, Position>();
int32_t invoked = 0;
q.each([&](flecs::iter& it, int32_t i, Self& s, Position& p) {
test_int(it.count(), 2);
test_int(it.entity(i), s.value);
p.x ++;
p.y ++;
invoked ++;
});
test_int(invoked, 2);
const Position *ptr = e1.get<Position>();
test_int(ptr->x, 11);
test_int(ptr->y, 21);
ptr = e2.get<Position>();
test_int(ptr->x, 21);
test_int(ptr->y, 31);
}
void Query_change_tracking(void) {
flecs::world w;
auto qw = w.query<Position>();
auto qr = w.query<const Position>();
auto e1 = w.entity().add<Tag>().set<Position>({10, 20});
w.entity().set<Position>({20, 30});
test_bool(qr.changed(), true);
qr.iter([](flecs::iter&) { });
test_bool(qr.changed(), false);
int32_t count = 0, change_count = 0;
qw.iter([&](flecs::iter& it, Position* p) {
test_int(it.count(), 1);
count ++;
if (it.entity(0) == e1) {
it.skip();
return;
}
change_count ++;
});
test_int(count, 2);
test_int(change_count, 1);
count = 0;
change_count = 0;
test_bool(qr.changed(), true);
qr.iter([&](flecs::iter& it, const Position* p) {
test_int(it.count(), 1);
count ++;
if (it.entity(0) == e1) {
test_bool(it.changed(), false);
} else {
test_bool(it.changed(), true);
change_count ++;
}
});
test_int(count, 2);
test_int(change_count, 1);
}
void Query_not_w_write(void) {
flecs::world ecs;
struct A {};
struct B {};
auto q = ecs.query_builder()
.term<A>()
.term<B>().oper(flecs::Not).write()
.build();
auto e = ecs.entity().add<A>();
int32_t count = 0;
ecs.defer([&] {
q.each([&](flecs::entity e) {
e.add<B>();
count ++;
});
});
test_int(1, count);
test_assert(e.has<B>());
q.each([&](flecs::entity e) {
count ++;
});
test_int(1, count);
}
void Query_get_first(void) {
flecs::world ecs;
struct A {};
auto e1 = ecs.entity().add<A>();
ecs.entity().add<A>();
ecs.entity().add<A>();
auto q = ecs.query<A>();
auto first = q.iter().first();
test_assert(first != 0);
test_assert(first == e1);
}
void Query_get_first_direct(void) {
flecs::world ecs;
struct A {};
auto e1 = ecs.entity().add<A>();
ecs.entity().add<A>();
ecs.entity().add<A>();
auto q = ecs.query<A>();
auto first = q.first();
test_assert(first != 0);
test_assert(first == e1);
}
void Query_get_count_direct(void) {
flecs::world ecs;
struct A {};
ecs.entity().add<A>();
ecs.entity().add<A>();
ecs.entity().add<A>();
auto q = ecs.query<A>();
test_int(3, q.count());
}
void Query_get_is_true_direct(void) {
flecs::world ecs;
struct A {};
struct B {};
ecs.entity().add<A>();
ecs.entity().add<A>();
ecs.entity().add<A>();
auto q_1 = ecs.query<A>();
auto q_2 = ecs.query<B>();
test_bool(true, q_1.is_true());
test_bool(false, q_2.is_true());
}
void Query_each_w_no_this(void) {
flecs::world ecs;
auto e = ecs.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto q = ecs.query_builder<Position, Velocity>()
.arg(1).src(e)
.arg(2).src(e)
.build();
int32_t count = 0;
q.each([&](Position& p, Velocity& v) {
count ++;
test_int(p.x, 10);
test_int(p.y, 20);
test_int(v.x, 1);
test_int(v.y, 2);
});
test_int(count, 1);
}
void Query_each_w_iter_no_this(void) {
flecs::world ecs;
auto e = ecs.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto q = ecs.query_builder<Position, Velocity>()
.arg(1).src(e)
.arg(2).src(e)
.build();
int32_t count = 0;
q.each([&](flecs::iter& it, size_t index, Position& p, Velocity& v) {
count ++;
test_int(p.x, 10);
test_int(p.y, 20);
test_int(v.x, 1);
test_int(v.y, 2);
test_int(index, 0);
test_int(it.count(), 0);
});
test_int(count, 1);
}
void Query_invalid_each_w_no_this(void) {
install_test_abort();
flecs::world ecs;
auto e = ecs.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto q = ecs.query_builder<Position, Velocity>()
.arg(1).src(e)
.arg(2).src(e)
.build();
test_expect_abort();
q.each([&](flecs::entity e, Position& p, Velocity& v) { });
}
void Query_named_query(void) {
flecs::world ecs;
auto e1 = ecs.entity().add<Position>();
auto e2 = ecs.entity().add<Position>();
auto q = ecs.query<Position>("my_query");
int32_t count = 0;
q.each([&](flecs::entity e, Position&) {
test_assert(e == e1 || e == e2);
count ++;
});
test_int(count, 2);
flecs::entity qe = q.entity();
test_assert(qe != 0);
test_str(qe.name(), "my_query");
}
void Query_named_scoped_query(void) {
flecs::world ecs;
auto e1 = ecs.entity().add<Position>();
auto e2 = ecs.entity().add<Position>();
auto q = ecs.query<Position>("my::query");
int32_t count = 0;
q.each([&](flecs::entity e, Position&) {
test_assert(e == e1 || e == e2);
count ++;
});
test_int(count, 2);
flecs::entity qe = q.entity();
test_assert(qe != 0);
test_str(qe.name(), "query");
test_str(qe.path(), "::my::query");
}
void Query_instanced_nested_query_w_iter(void) {
flecs::world ecs;
flecs::query<> q1 = ecs.query_builder()
.term<Position>()
.term<Mass>().singleton()
.build();
flecs::query<> q2 = ecs.query_builder()
.term<Velocity>()
.build();
ecs.add<Mass>();
ecs.entity().add<Velocity>();
ecs.entity().add<Position>();
ecs.entity().add<Position>();
int32_t count = 0;
q2.iter([&](flecs::iter& it_2) {
q1.iter(it_2, [&](flecs::iter& it_1) {
test_int(it_1.count(), 1);
count += it_1.count();
});
});
test_int(count, 2);
}
void Query_instanced_nested_query_w_entity(void) {
flecs::world ecs;
flecs::query<> q1 = ecs.query_builder()
.term<Position>()
.term<Mass>().singleton()
.build();
flecs::query<> q2 = ecs.query_builder()
.term<Velocity>()
.build();
ecs.add<Mass>();
ecs.entity().add<Velocity>();
ecs.entity().add<Position>();
ecs.entity().add<Position>();
int32_t count = 0;
q2.each([&](flecs::entity e_2) {
q1.iter(e_2, [&](flecs::iter& it_1) {
test_int(it_1.count(), 1);
count += it_1.count();
});
});
test_int(count, 2);
}
void Query_instanced_nested_query_w_world(void) {
flecs::world ecs;
flecs::query<> q1 = ecs.query_builder()
.term<Position>()
.term<Mass>().singleton()
.build();
flecs::query<> q2 = ecs.query_builder()
.term<Velocity>()
.build();
ecs.add<Mass>();
ecs.entity().add<Velocity>();
ecs.entity().add<Position>();
ecs.entity().add<Position>();
int32_t count = 0;
q2.iter([&](flecs::iter& it_2) {
q1.iter(it_2.world(), [&](flecs::iter& it_1) {
test_int(it_1.count(), 1);
count += it_1.count();
});
});
test_int(count, 2);
}
void Query_captured_query(void) {
flecs::world ecs;
flecs::query<Position> q = ecs.query<Position>();
flecs::entity e_1 = ecs.entity().set<Position>({10, 20});
[=]() {
int count = 0;
q.each([&](flecs::entity e, Position& p) {
test_assert(e == e_1);
test_int(p.x, 10);
test_int(p.y, 20);
count ++;
});
test_int(count, 1);
}();
}
void Query_page_iter_captured_query(void) {
flecs::world ecs;
flecs::query<Position> q = ecs.query<Position>();
/* flecs::entity e_1 = */ ecs.entity().set<Position>({10, 20});
flecs::entity e_2 = ecs.entity().set<Position>({20, 30});
/* flecs::entity e_3 = */ ecs.entity().set<Position>({10, 20});
[=]() {
int count = 0;
q.iter().page(1, 1).each([&](flecs::entity e, Position& p) {
test_assert(e == e_2);
test_int(p.x, 20);
test_int(p.y, 30);
count ++;
});
test_int(count, 1);
}();
}
void Query_worker_iter_captured_query(void) {
flecs::world ecs;
flecs::query<Position> q = ecs.query<Position>();
/* flecs::entity e_1 = */ ecs.entity().set<Position>({10, 20});
flecs::entity e_2 = ecs.entity().set<Position>({20, 30});
/* flecs::entity e_3 = */ ecs.entity().set<Position>({10, 20});
[=]() {
int count = 0;
q.iter().worker(1, 3).each([&](flecs::entity e, Position& p) {
test_assert(e == e_2);
test_int(p.x, 20);
test_int(p.y, 30);
count ++;
});
test_int(count, 1);
}();
}
void Query_iter_entities(void) {
flecs::world ecs;
auto e1 = ecs.entity().set<Position>({10, 20});
auto e2 = ecs.entity().set<Position>({10, 20});
auto e3 = ecs.entity().set<Position>({10, 20});
ecs.query<Position>()
.iter([&](flecs::iter& it) {
test_int(it.count(), 3);
auto entities = it.entities();
test_assert(entities[0] == e1);
test_assert(entities[1] == e2);
test_assert(entities[2] == e3);
});
}
void Query_iter_get_pair_w_id(void) {
flecs::world ecs;
flecs::entity Rel = ecs.entity();
flecs::entity Tgt = ecs.entity();
flecs::entity e = ecs.entity().add(Rel, Tgt);
flecs::query<> q = ecs.query_builder()
.with(Rel, flecs::Wildcard)
.build();
int32_t count = 0;
q.each([&](flecs::iter& it, size_t i) {
test_bool(true, it.id(1).is_pair());
test_assert(it.id(1).first() == Rel);
test_assert(it.id(1).second() == Tgt);
test_assert(e == it.entity(i));
count ++;
});
test_int(count, 1);
}
void Query_find(void) {
flecs::world ecs;
/* auto e1 = */ ecs.entity().set<Position>({10, 20});
auto e2 = ecs.entity().set<Position>({20, 30});
auto q = ecs.query<Position>();
auto r = q.find([](Position& p) {
return p.x == 20;
});
test_assert(r == e2);
}
void Query_find_not_found(void) {
flecs::world ecs;
/* auto e1 = */ ecs.entity().set<Position>({10, 20});
/* auto e2 = */ ecs.entity().set<Position>({20, 30});
auto q = ecs.query<Position>();
auto r = q.find([](Position& p) {
return p.x == 30;
});
test_assert(!r);
}
void Query_find_w_entity(void) {
flecs::world ecs;
/* auto e1 = */ ecs.entity().set<Position>({10, 20}).set<Velocity>({20, 30});
auto e2 = ecs.entity().set<Position>({20, 30}).set<Velocity>({20, 30});
auto q = ecs.query<Position>();
auto r = q.find([](flecs::entity e, Position& p) {
return p.x == e.get<Velocity>()->x &&
p.y == e.get<Velocity>()->y;
});
test_assert(r == e2);
}
void Query_optional_pair_term(void) {
flecs::world ecs;
ecs.entity()
.add<TagA>()
.emplace<Position, Tag>(1.0f, 2.0f);
ecs.entity()
.add<TagA>();
int32_t with_pair = 0, without_pair = 0;
auto f = ecs.query_builder<flecs::pair<Position, Tag>*>()
.with<TagA>()
.build();
f.each([&](flecs::entity e, Position* p) {
if (p) {
with_pair++;
test_flt(1.0f, p->x);
test_flt(2.0f, p->y);
} else {
without_pair++;
}
});
ecs.progress(1.0);
test_int(1, with_pair);
test_int(1, without_pair);
}