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

2267 lines
55 KiB
C++

#include <cpp_api.h>
void System_iter(void) {
flecs::world world;
auto entity = world.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2});
world.system<Position, Velocity>()
.iter([](flecs::iter&it, Position *p, Velocity *v) {
for (auto i : it) {
p[i].x += v[i].x;
p[i].y += v[i].y;
}
});
world.progress();
const Position *p = entity.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
const Velocity *v = entity.get<Velocity>();
test_int(v->x, 1);
test_int(v->y, 2);
}
void System_iter_const(void) {
flecs::world world;
auto entity = world.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2});
world.system<Position, const Velocity>()
.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;
}
});
world.progress();
const Position *p = entity.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
const Velocity *v = entity.get<Velocity>();
test_int(v->x, 1);
test_int(v->y, 2);
}
void System_iter_shared(void) {
flecs::world world;
auto base = world.entity()
.set<Velocity>({1, 2});
auto e1 = world.entity()
.set<Position>({10, 20})
.add(flecs::IsA, base);
auto e2 = world.entity()
.set<Position>({10, 20})
.set<Velocity>({3, 4});
world.system<Position>().expr("Velocity(self|up)")
.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;
}
}
});
world.progress();
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 System_iter_optional(void) {
flecs::world world;
flecs::component<Mass>(world, "Mass");
auto e1 = world.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2})
.set<Mass>({1});
auto e2 = world.entity()
.set<Position>({30, 40})
.set<Velocity>({3, 4})
.set<Mass>({1});
auto e3 = world.entity()
.set<Position>({50, 60});
auto e4 = world.entity()
.set<Position>({70, 80});
world.system<Position, Velocity*, Mass*>()
.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 ++;
}
}
});
world.progress();
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 System_each(void) {
flecs::world world;
auto entity = world.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2});
world.system<Position, Velocity>()
.each([](flecs::entity e, Position& p, Velocity& v) {
p.x += v.x;
p.y += v.y;
});
world.progress();
const Position *p = entity.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
}
void System_each_const(void) {
flecs::world world;
auto entity = world.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2});
world.system<Position, const Velocity>()
.each([](flecs::entity e, Position& p, const Velocity& v) {
p.x += v.x;
p.y += v.y;
});
world.progress();
const Position *p = entity.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
}
void System_each_shared(void) {
flecs::world world;
auto base = world.entity()
.set<Velocity>({1, 2});
auto e1 = world.entity()
.set<Position>({10, 20})
.add(flecs::IsA, base);
auto e2 = world.entity()
.set<Position>({10, 20})
.set<Velocity>({3, 4});
world.system<Position, const Velocity>()
.each([](flecs::entity e, Position& p, const Velocity& v) {
p.x += v.x;
p.y += v.y;
});
world.progress();
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 System_each_optional(void) {
flecs::world world;
flecs::component<Mass>(world, "Mass");
auto e1 = world.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2})
.set<Mass>({1});
auto e2 = world.entity()
.set<Position>({30, 40})
.set<Velocity>({3, 4})
.set<Mass>({1});
auto e3 = world.entity()
.set<Position>({50, 60});
auto e4 = world.entity()
.set<Position>({70, 80});
world.system<Position, Velocity*, Mass*>()
.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 ++;
}
});
world.progress();
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 System_signature(void) {
flecs::world world;
auto entity = world.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2});
world.system<>().expr("Position, Velocity")
.iter([](flecs::iter&it) {
flecs::column<Position> p(it, 1);
flecs::column<Velocity> v(it, 2);
for (auto i : it) {
p[i].x += v[i].x;
p[i].y += v[i].y;
}
});
world.progress();
const Position *p = entity.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
const Velocity *v = entity.get<Velocity>();
test_int(v->x, 1);
test_int(v->y, 2);
}
void System_signature_const(void) {
flecs::world world;
auto entity = world.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2});
world.system<>().expr("Position, [in] Velocity")
.iter([](flecs::iter&it) {
flecs::column<Position> p(it, 1);
flecs::column<const Velocity> v(it, 2);
for (auto i : it) {
p[i].x += v[i].x;
p[i].y += v[i].y;
}
});
world.progress();
const Position *p = entity.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
const Velocity *v = entity.get<Velocity>();
test_int(v->x, 1);
test_int(v->y, 2);
}
void System_signature_shared(void) {
flecs::world world;
auto base = world.entity()
.set<Velocity>({1, 2});
auto e1 = world.entity()
.set<Position>({10, 20})
.add(flecs::IsA, base);
auto e2 = world.entity()
.set<Position>({10, 20})
.set<Velocity>({3, 4});
world.system<>().expr("Position, [in] Velocity(self|up)")
.iter([](flecs::iter&it) {
flecs::column<Position> p(it, 1);
flecs::column<const Velocity> v(it, 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;
}
}
});
world.progress();
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 System_signature_optional(void) {
flecs::world world;
flecs::component<Mass>(world, "Mass");
auto e1 = world.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2})
.set<Mass>({1});
auto e2 = world.entity()
.set<Position>({30, 40})
.set<Velocity>({3, 4})
.set<Mass>({1});
auto e3 = world.entity()
.set<Position>({50, 60});
auto e4 = world.entity()
.set<Position>({70, 80});
world.system<>().expr("Position, ?Velocity, ?Mass")
.iter([](flecs::iter& it) {
flecs::column<Position> p(it, 1);
flecs::column<Velocity> v(it, 2);
flecs::column<Mass> m(it, 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 ++;
}
}
});
world.progress();
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 System_copy_name_on_create(void) {
flecs::world world;
char name[6];
strcpy(name, "Hello");
auto system_1 = world.system<Position>(name)
.iter([](flecs::iter&it, Position *p) {});
strcpy(name, "World");
auto system_2 = world.system<Position>(name)
.iter([](flecs::iter&it, Position *p) {});
test_assert(system_1.id() != system_2.id());
}
void System_nested_system(void) {
flecs::world world;
auto system_1 = world.system<Position>("foo::bar")
.iter([](flecs::iter&it, Position *p) {});
test_str(system_1.name().c_str(), "bar");
auto e = world.lookup("foo");
test_assert(e.id() != 0);
test_str(e.name().c_str(), "foo");
auto se = e.lookup("bar");
test_assert(se.id() != 0);
test_str(se.name().c_str(), "bar");
}
void System_empty_signature(void) {
flecs::world world;
int count = 0;
world.system<>()
.iter([&](flecs::iter it) {
count ++;
});
world.progress();
test_int(count, 1);
}
struct MyTag { };
void System_iter_tag(void) {
flecs::world world;
int invoked = 0;
world.system<MyTag>()
.iter([&](flecs::iter it, MyTag*) {
invoked ++;
});
world.entity()
.add<MyTag>();
world.progress();
test_int(invoked, 1);
}
void System_each_tag(void) {
flecs::world world;
int invoked = 0;
world.system<MyTag>()
.each([&](flecs::entity e, MyTag) {
invoked ++;
});
world.entity()
.add<MyTag>();
world.progress();
test_int(invoked, 1);
}
void System_set_interval(void) {
flecs::world world;
auto sys = world.system<>()
.kind(0)
.interval(1.0f)
.iter([&](flecs::iter& it) { });
float i = sys.interval();
test_int(i, 1.0f);
sys.interval(2.0f);
i = sys.interval();
test_int(i, 2.0f);
}
void System_order_by_type(void) {
flecs::world world;
world.entity().set<Position>({3, 0});
world.entity().set<Position>({1, 0});
world.entity().set<Position>({5, 0});
world.entity().set<Position>({2, 0});
world.entity().set<Position>({4, 0});
float last_val = 0;
int32_t count = 0;
auto sys = world.system<const Position>()
.order_by<Position>(
[](flecs::entity_t e1, const Position *p1,
flecs::entity_t e2, const Position *p2) {
return (p1->x > p2->x) - (p1->x < p2->x);
})
.each([&](flecs::entity e, const Position& p) {
test_assert(p.x > last_val);
last_val = p.x;
count ++;
});
sys.run();
test_int(count, 5);
}
void System_order_by_id(void) {
flecs::world world;
auto pos = world.component<Position>();
world.entity().set<Position>({3, 0});
world.entity().set<Position>({1, 0});
world.entity().set<Position>({5, 0});
world.entity().set<Position>({2, 0});
world.entity().set<Position>({4, 0});
float last_val = 0;
int32_t count = 0;
auto sys = world.system<const Position>()
.order_by(pos, [](flecs::entity_t e1, const void *p1,
flecs::entity_t e2, const void *p2)
{
return (static_cast<const Position*>(p1)->x >
static_cast<const Position*>(p2)->x) -
(static_cast<const Position*>(p1)->x <
static_cast<const Position*>(p2)->x);
})
.each([&](flecs::entity e, const Position& p) {
test_assert(p.x > last_val);
last_val = p.x;
count ++;
});
sys.run();
test_int(count, 5);
}
void System_order_by_type_after_create(void) {
flecs::world world;
world.entity().set<Position>({3, 0});
world.entity().set<Position>({1, 0});
world.entity().set<Position>({5, 0});
world.entity().set<Position>({2, 0});
world.entity().set<Position>({4, 0});
float last_val = 0;
int32_t count = 0;
auto sys = world.system<const Position>()
.order_by<Position>([](flecs::entity_t e1, const Position *p1,
flecs::entity_t e2, const Position *p2) {
return (p1->x > p2->x) - (p1->x < p2->x);
})
.each([&](flecs::entity e, const Position& p) {
test_assert(p.x > last_val);
last_val = p.x;
count ++;
});
sys.run();
test_int(count, 5);
}
void System_order_by_id_after_create(void) {
flecs::world world;
auto pos = world.component<Position>();
world.entity().set<Position>({3, 0});
world.entity().set<Position>({1, 0});
world.entity().set<Position>({5, 0});
world.entity().set<Position>({2, 0});
world.entity().set<Position>({4, 0});
float last_val = 0;
int32_t count = 0;
auto sys = world.system<const Position>()
.order_by(pos, [](flecs::entity_t e1, const void *p1, flecs::entity_t e2, const void *p2) {
return (static_cast<const Position*>(p1)->x > static_cast<const Position*>(p2)->x) -
(static_cast<const Position*>(p1)->x < static_cast<const Position*>(p2)->x);
})
.each([&](flecs::entity e, const Position& p) {
test_assert(p.x > last_val);
last_val = p.x;
count ++;
});
sys.run();
test_int(count, 5);
}
void System_get_query(void) {
flecs::world world;
world.entity().set<Position>({0, 0});
world.entity().set<Position>({1, 0});
world.entity().set<Position>({2, 0});
int32_t count = 0;
auto sys = world.system<const Position>()
.each([&](flecs::entity e, const Position& p) {
// Not used
});
auto q = sys.query();
q.iter([&](flecs::iter &it) {
auto pos = it.field<const Position>(1);
for (auto i : it) {
test_int(i, pos[i].x);
count ++;
}
});
test_int(count, 3);
}
void System_add_from_each(void) {
flecs::world world;
auto e1 = world.entity().set<Position>({0, 0});
auto e2 = world.entity().set<Position>({1, 0});
auto e3 = world.entity().set<Position>({2, 0});
world.system<const Position>()
.each([](flecs::entity e, const Position& p) {
e.add<Velocity>();
// Add is deferred
test_assert(!e.has<Velocity>());
});
world.progress();
test_assert(e1.has<Velocity>());
test_assert(e2.has<Velocity>());
test_assert(e3.has<Velocity>());
}
void System_delete_from_each(void) {
flecs::world world;
auto e1 = world.entity().set<Position>({0, 0});
auto e2 = world.entity().set<Position>({1, 0});
auto e3 = world.entity().set<Position>({2, 0});
world.system<const Position>()
.each([](flecs::entity e, const Position& p) {
e.destruct();
// Delete is deferred
test_assert(e.is_alive());
});
world.progress();
test_assert(!e1.is_alive());
test_assert(!e2.is_alive());
test_assert(!e3.is_alive());
}
struct Entity {
flecs::entity e;
};
void System_add_from_each_world_handle(void) {
flecs::world world;
auto e1 = world.entity().set<Entity>({world.entity()});
auto e2 = world.entity().set<Entity>({world.entity()});
auto e3 = world.entity().set<Entity>({world.entity()});
world.system<const Entity>()
.each([](flecs::entity e, const Entity& c) {
c.e.mut(e).add<Position>();
});
world.progress();
test_assert(e1.get<Entity>()->e.has<Position>());
test_assert(e2.get<Entity>()->e.has<Position>());
test_assert(e3.get<Entity>()->e.has<Position>());
}
void System_new_from_each(void) {
flecs::world world;
auto e1 = world.entity().set<Position>({0, 0});
auto e2 = world.entity().set<Position>({0, 0});
auto e3 = world.entity().set<Position>({0, 0});
world.system<const Position>()
.each([](flecs::entity e, const Position& p) {
e.set<Entity>({
e.world().entity().add<Velocity>()
});
});
world.progress();
test_assert(e1.has<Entity>());
test_assert(e2.has<Entity>());
test_assert(e3.has<Entity>());
test_assert(e1.get<Entity>()->e.has<Velocity>());
test_assert(e2.get<Entity>()->e.has<Velocity>());
test_assert(e3.get<Entity>()->e.has<Velocity>());
}
void System_add_from_iter(void) {
flecs::world world;
auto e1 = world.entity().set<Position>({0, 0});
auto e2 = world.entity().set<Position>({1, 0});
auto e3 = world.entity().set<Position>({2, 0});
world.system<const Position>()
.iter([](flecs::iter& it, const Position* p) {
for (auto i : it) {
it.entity(i).add<Velocity>();
test_assert(!it.entity(i).has<Velocity>());
}
});
world.progress();
test_assert(e1.has<Velocity>());
test_assert(e2.has<Velocity>());
test_assert(e3.has<Velocity>());
}
void System_delete_from_iter(void) {
flecs::world world;
auto e1 = world.entity().set<Position>({0, 0});
auto e2 = world.entity().set<Position>({1, 0});
auto e3 = world.entity().set<Position>({2, 0});
world.system<const Position>()
.iter([](const flecs::iter& it, const Position* p) {
for (auto i : it) {
it.entity(i).destruct();
// Delete is deferred
test_assert(it.entity(i).is_alive());
}
});
world.progress();
test_assert(!e1.is_alive());
test_assert(!e2.is_alive());
test_assert(!e3.is_alive());
}
void System_add_from_iter_world_handle(void) {
flecs::world world;
auto e1 = world.entity().set<Entity>({world.entity()});
auto e2 = world.entity().set<Entity>({world.entity()});
auto e3 = world.entity().set<Entity>({world.entity()});
world.system<const Entity>()
.iter([](const flecs::iter& it, const Entity* c) {
for (auto i : it) {
c[i].e.mut(it).add<Position>();
}
});
world.progress();
test_assert(e1.get<Entity>()->e.has<Position>());
test_assert(e2.get<Entity>()->e.has<Position>());
test_assert(e3.get<Entity>()->e.has<Position>());
}
void System_new_from_iter(void) {
flecs::world world;
auto e1 = world.entity().set<Position>({0, 0});
auto e2 = world.entity().set<Position>({0, 0});
auto e3 = world.entity().set<Position>({0, 0});
world.system<const Position>()
.iter([](const flecs::iter& it, const Position* p) {
for (auto i : it) {
it.entity(i).set<Entity>({
it.world().entity().add<Velocity>()
});
}
});
world.progress();
test_assert(e1.has<Entity>());
test_assert(e2.has<Entity>());
test_assert(e3.has<Entity>());
test_assert(e1.get<Entity>()->e.has<Velocity>());
test_assert(e2.get<Entity>()->e.has<Velocity>());
test_assert(e3.get<Entity>()->e.has<Velocity>());
}
void System_each_w_mut_children_it(void) {
flecs::world world;
auto parent = world.entity().set<Position>({0, 0});
auto e1 = world.entity().set<Position>({0, 0}).child_of(parent);
auto e2 = world.entity().set<Position>({0, 0}).child_of(parent);
auto e3 = world.entity().set<Position>({0, 0}).child_of(parent);
int32_t count = 0;
world.system<const Position>()
.iter([&](const flecs::iter& it, const Position* p) {
for (auto i : it) {
it.entity(i).children([&](flecs::entity child) {
child.add<Velocity>();
count ++;
});
}
});
world.progress();
test_int(count, 3);
test_assert(e1.has<Velocity>());
test_assert(e2.has<Velocity>());
test_assert(e3.has<Velocity>());
}
void System_readonly_children_iter(void) {
flecs::world world;
auto parent = world.entity();
world.entity().set<Entity>({ parent });
world.entity().set<Position>({1, 0}).child_of(parent);
world.entity().set<Position>({1, 0}).child_of(parent);
world.entity().set<Position>({1, 0}).child_of(parent);
int32_t count = 0;
world.system<const Entity>()
.iter([&](const flecs::iter& it, const Entity* c) {
for (auto i : it) {
c[i].e.children([&](flecs::entity child) {
// Dummy code to ensure we can access the entity
const Position *p = child.get<Position>();
test_int(p->x, 1);
test_int(p->y, 0);
count ++;
});
}
});
world.progress();
test_int(count, 3);
}
void System_rate_filter(void) {
flecs::world world;
int32_t
root_count = 0, root_mult = 1,
l1_a_count = 0, l1_a_mult = 1,
l1_b_count = 0, l1_b_mult = 2,
l1_c_count = 0, l1_c_mult = 3,
l2_a_count = 0, l2_a_mult = 2,
l2_b_count = 0, l2_b_mult = 4,
frame_count = 0;
auto root = world.system<>("root")
.iter([&](flecs::iter& it) {
root_count ++;
});
auto l1_a = world.system<>("l1_a")
.rate(root, 1)
.iter([&](flecs::iter& it) {
l1_a_count ++;
});
auto l1_b = world.system<>("l1_b")
.rate(root, 2)
.iter([&](flecs::iter& it) {
l1_b_count ++;
});
world.system<>("l1_c")
.rate(root, 3)
.iter([&](flecs::iter& it) {
l1_c_count ++;
});
world.system<>("l2_a")
.rate(l1_a, 2)
.iter([&](flecs::iter& it) {
l2_a_count ++;
});
world.system<>("l2_b")
.rate(l1_b, 2)
.iter([&](flecs::iter& it) {
l2_b_count ++;
});
for (int i = 0; i < 30; i ++) {
world.progress(); frame_count ++;
test_int(root_count, frame_count / root_mult);
test_int(l1_a_count, frame_count / l1_a_mult);
test_int(l1_b_count, frame_count / l1_b_mult);
test_int(l1_c_count, frame_count / l1_c_mult);
test_int(l2_a_count, frame_count / l2_a_mult);
test_int(l2_b_count, frame_count / l2_b_mult);
}
}
void System_update_rate_filter(void) {
flecs::world world;
int32_t
root_count = 0, root_mult = 1,
l1_count = 0, l1_mult = 2,
l2_count = 0, l2_mult = 6,
frame_count = 0;
auto root = world.system<>("root")
.iter([&](flecs::iter& it) {
root_count ++;
});
auto l1 = world.system<>("l1")
.rate(root, 2)
.iter([&](flecs::iter& it) {
l1_count ++;
});
world.system<>("l2")
.rate(l1, 3)
.iter([&](flecs::iter& it) {
l2_count ++;
});
for (int i = 0; i < 12; i ++) {
world.progress(); frame_count ++;
test_int(root_count, frame_count / root_mult);
test_int(l1_count, frame_count / l1_mult);
test_int(l2_count, frame_count / l2_mult);
}
l1.rate(4); // Run twice as slow
l1_mult *= 2;
l2_mult *= 2;
frame_count = 0;
l1_count = 0;
l2_count = 0;
root_count = 0;
for (int i = 0; i < 32; i ++) {
world.progress(); frame_count ++;
test_int(root_count, frame_count / root_mult);
test_int(l1_count, frame_count / l1_mult);
test_int(l2_count, frame_count / l2_mult);
}
}
void System_test_auto_defer_each(void) {
flecs::world world;
struct Value { int value; };
auto e1 = world.entity().add<Tag>().set<Value>({10});
auto e2 = world.entity().add<Tag>().set<Value>({20});
auto e3 = world.entity().add<Tag>().set<Value>({30});
auto s = world.system<Value>()
.term<Tag>()
.each([](flecs::entity e, Value& v) {
v.value ++;
e.remove<Tag>();
});
s.run();
test_assert(!e1.has<Tag>());
test_assert(!e2.has<Tag>());
test_assert(!e3.has<Tag>());
test_assert(e1.has<Value>());
test_assert(e2.has<Value>());
test_assert(e3.has<Value>());
test_int(e1.get<Value>()->value, 11);
test_int(e2.get<Value>()->value, 21);
test_int(e3.get<Value>()->value, 31);
}
void System_test_auto_defer_iter(void) {
flecs::world world;
struct Value { int value; };
auto e1 = world.entity().add<Tag>().set<Value>({10});
auto e2 = world.entity().add<Tag>().set<Value>({20});
auto e3 = world.entity().add<Tag>().set<Value>({30});
auto s = world.system<Value>()
.term<Tag>()
.iter([](flecs::iter& it, Value *v) {
for (auto i : it) {
v[i].value ++;
it.entity(i).remove<Tag>();
}
});
s.run();
test_assert(!e1.has<Tag>());
test_assert(!e2.has<Tag>());
test_assert(!e3.has<Tag>());
test_assert(e1.has<Value>());
test_assert(e2.has<Value>());
test_assert(e3.has<Value>());
test_int(e1.get<Value>()->value, 11);
test_int(e2.get<Value>()->value, 21);
test_int(e3.get<Value>()->value, 31);
}
void System_custom_pipeline(void) {
flecs::world world;
auto PreFrame = world.entity().add(flecs::Phase);
auto OnFrame = world.entity().add(flecs::Phase).depends_on(PreFrame);
auto PostFrame = world.entity().add(flecs::Phase).depends_on(OnFrame);
auto Tag = world.entity();
flecs::entity pip = world.pipeline()
.term(flecs::System)
.term(flecs::Phase).cascade(flecs::DependsOn)
.term(Tag)
.build();
int count = 0;
world.system()
.kind(PostFrame)
.iter([&](flecs::iter it) {
test_int(count, 2);
count ++;
})
.add(Tag);
world.system()
.kind(OnFrame)
.iter([&](flecs::iter it) {
test_int(count, 1);
count ++;
})
.add(Tag);
world.system()
.kind(PreFrame)
.iter([&](flecs::iter it) {
test_int(count, 0);
count ++;
})
.add(Tag);
test_int(count, 0);
world.set_pipeline(pip);
world.progress();
test_int(count, 3);
}
void System_custom_pipeline_w_kind(void) {
flecs::world world;
auto Tag = world.entity();
flecs::entity pip = world.pipeline()
.term(flecs::System)
.term(Tag)
.build();
int count = 0;
world.system()
.kind(Tag)
.iter([&](flecs::iter it) {
test_int(count, 0);
count ++;
});
world.system()
.kind(Tag)
.iter([&](flecs::iter it) {
test_int(count, 1);
count ++;
});
world.system()
.kind(Tag)
.iter([&](flecs::iter it) {
test_int(count, 2);
count ++;
});
test_int(count, 0);
world.set_pipeline(pip);
world.progress();
test_int(count, 3);
}
void System_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>();
int32_t count = 0;
auto s = ecs.system<Self, Position, const Velocity>()
.arg(3).singleton()
.instanced()
.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 ++;
});
s.run();
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 System_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});
int32_t count = 0;
auto s = ecs.system<Self, Position, const Velocity>()
.instanced()
.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 ++;
});
s.run();
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 System_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>();
int32_t count = 0;
auto s = ecs.system<Self, Position, const Velocity>()
.arg(3).singleton()
.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 ++;
});
s.run();
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 System_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});
int32_t count = 0;
auto s = ecs.system<Self, Position, const Velocity>()
.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 ++;
});
s.run();
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 System_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>();
int32_t count = 0;
auto s = ecs.system<Self, Position, const Velocity>()
.arg(3).singleton()
.instanced()
.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 ++;
}
});
s.run();
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 System_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});
int32_t count = 0;
auto s = ecs.system<Self, Position, const Velocity>()
.instanced()
.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 ++;
}
});
s.run();
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 System_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>();
int32_t count = 0;
auto s = ecs.system<Self, Position, const Velocity>()
.arg(3).singleton()
.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 ++;
}
});
s.run();
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 System_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});
int32_t count = 0;
auto s = ecs.system<Self, Position, const Velocity>()
.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 ++;
}
});
s.run();
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 System_create_w_no_template_args(void) {
flecs::world world;
auto entity = world.entity()
.set<Position>({10, 20});
int32_t count = 0;
auto s = world.system()
.term<Position>()
.each([&](flecs::entity e) {
test_assert(e == entity);
count ++;
});
s.run();
test_int(count, 1);
}
struct PipelineType {};
struct First {};
struct Second {};
void System_system_w_type_kind_type_pipeline(void) {
flecs::world world;
world.component<Second>()
.add(flecs::Phase)
.depends_on(
world.component<First>()
.add(flecs::Phase)
);
world.pipeline<PipelineType>()
.term(flecs::System)
.term(flecs::Phase).cascade(flecs::DependsOn)
.build();
world.set_pipeline<PipelineType>();
auto entity = world.entity().add<Tag>();
int32_t s1_count = 0;
int32_t s2_count = 0;
world.system<Tag>()
.kind<Second>()
.each([&](flecs::entity e, Tag) {
test_assert(e == entity);
test_int(s1_count, 0);
test_int(s2_count, 1);
s1_count ++;
});
world.system<Tag>()
.kind<First>()
.each([&](flecs::entity e, Tag) {
test_assert(e == entity);
test_int(s1_count, 0);
s2_count ++;
});
world.progress();
test_int(s1_count, 1);
test_int(s2_count, 1);
}
void System_default_ctor(void) {
flecs::world world;
flecs::system sys_var;
int count = 0;
auto sys = world.system<Position>()
.each([&](flecs::entity e, Position& p) {
test_int(p.x, 10);
test_int(p.y, 20);
count ++;
});
world.entity().set<Position>({10, 20});
sys_var = sys;
sys_var.run();
test_int(count, 1);
}
void System_entity_ctor(void) {
flecs::world world;
uint32_t invoked = 0;
flecs::entity sys = world.system<>()
.iter([&](flecs::iter& it) {
invoked ++;
});
auto sys_from_id = world.system(sys);
sys_from_id.run();
test_int(invoked, 1);
}
void System_ensure_instanced_w_each(void) {
flecs::world world;
flecs::entity e1 = world.entity().set<Position>({10, 20});
int32_t count = 0;
auto sys = world.system<Position>()
.each([&](flecs::iter& it, size_t i, Position&) {
test_assert(it.c_ptr()->flags & EcsIterIsInstanced);
test_assert(it.entity(i) == e1);
count ++;
});
auto q = sys.query();
auto f = q.filter();
const ecs_filter_t *c_f = f;
test_assert(c_f->flags & EcsIterIsInstanced);
test_int(count, 0);
sys.run();
test_int(count, 1);
}
void System_multithread_system_w_query_each(void) {
flecs::world world;
world.set_threads(2);
flecs::entity e = world.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto q = world.query<Velocity>();
world.system<Position>()
.multi_threaded()
.each([&](flecs::entity e, Position& p) {
q.each(e, [&](Velocity& v) {
p.x += v.x;
p.y += v.y;
});
});
world.progress();
const Position *p = e.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
}
void System_multithread_system_w_query_each_w_iter(void) {
flecs::world world;
world.set_threads(2);
flecs::entity e = world.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto q = world.query<Velocity>();
world.system<Position>()
.multi_threaded()
.each([&](flecs::iter& it, size_t, Position& p) {
q.each(it, [&](Velocity& v) {
p.x += v.x;
p.y += v.y;
});
});
world.progress();
const Position *p = e.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
}
void System_multithread_system_w_query_each_w_world(void) {
flecs::world world;
world.set_threads(2);
flecs::entity e = world.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto q = world.query<Velocity>();
world.system<Position>()
.multi_threaded()
.each([&](flecs::iter& it, size_t, Position& p) {
q.each(it.world(), [&](Velocity& v) {
p.x += v.x;
p.y += v.y;
});
});
world.progress();
const Position *p = e.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
}
void System_multithread_system_w_query_iter(void) {
flecs::world world;
world.set_threads(2);
flecs::entity e = world.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto q = world.query<Velocity>();
world.system<Position>()
.multi_threaded()
.each([&](flecs::entity e, Position& p) {
q.iter(e, [&](flecs::iter& it, Velocity* v) {
for (auto i : it) {
p.x += v[i].x;
p.y += v[i].y;
}
});
});
world.progress();
const Position *p = e.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
}
void System_multithread_system_w_query_iter_w_iter(void) {
flecs::world world;
world.set_threads(2);
flecs::entity e = world.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto q = world.query<Velocity>();
world.system<Position>()
.multi_threaded()
.each([&](flecs::iter& it, size_t, Position& p) {
q.iter(it, [&](flecs::iter& it, Velocity* v) {
for (auto i : it) {
p.x += v[i].x;
p.y += v[i].y;
}
});
});
world.progress();
const Position *p = e.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
}
void System_multithread_system_w_query_iter_w_world(void) {
flecs::world world;
world.set_threads(2);
flecs::entity e = world.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2});
auto q = world.query<Velocity>();
world.system<Position>()
.multi_threaded()
.each([&](flecs::iter& it, size_t, Position& p) {
q.iter(it.world(), [&](flecs::iter& it, Velocity* v) {
for (auto i : it) {
p.x += v[i].x;
p.y += v[i].y;
}
});
});
world.progress();
const Position *p = e.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
}
void System_run_callback(void) {
flecs::world world;
auto entity = world.entity()
.set<Position>({10, 20})
.set<Velocity>({1, 2});
world.system<Position, const Velocity>()
.run([](flecs::iter_t *it) {
while (ecs_iter_next(it)) {
it->callback(it);
}
})
.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;
}
});
world.progress();
const Position *p = entity.get<Position>();
test_int(p->x, 11);
test_int(p->y, 22);
const Velocity *v = entity.get<Velocity>();
test_int(v->x, 1);
test_int(v->y, 2);
}
void System_startup_system(void) {
flecs::world ecs;
int32_t count_a = 0, count_b = 0;
ecs.system()
.kind(flecs::OnStart)
.iter([&](flecs::iter& it) {
test_assert(it.delta_time() == 0);
count_a ++;
});
ecs.system()
.kind(flecs::OnUpdate)
.iter([&](flecs::iter& it) {
test_assert(it.delta_time() != 0);
count_b ++;
});
ecs.progress();
test_int(count_a, 1);
test_int(count_b, 1);
ecs.progress();
test_int(count_a, 1);
test_int(count_b, 2);
}
void System_interval_tick_source(void) {
flecs::world ecs;
flecs::timer t = ecs.timer().interval(2.1);
flecs::Timer *timer = t.get_mut<flecs::Timer>();
timer->time = 0;
int32_t sys_a_invoked = 0, sys_b_invoked = 0;
ecs.system()
.tick_source(t)
.iter([&](flecs::iter& it) {
sys_a_invoked ++;
});
ecs.system()
.tick_source(t)
.iter([&](flecs::iter& it) {
sys_b_invoked ++;
});
ecs.progress(1.0);
test_int(0, sys_a_invoked);
test_int(0, sys_b_invoked);
ecs.progress(1.0);
test_int(0, sys_a_invoked);
test_int(0, sys_b_invoked);
ecs.progress(1.0);
test_int(1, sys_a_invoked);
test_int(1, sys_b_invoked);
}
void System_rate_tick_source(void) {
flecs::world ecs;
flecs::timer t = ecs.timer().rate(3);
int32_t sys_a_invoked = 0, sys_b_invoked = 0;
ecs.system()
.tick_source(t)
.iter([&](flecs::iter& it) {
sys_a_invoked ++;
});
ecs.system()
.tick_source(t)
.iter([&](flecs::iter& it) {
sys_b_invoked ++;
});
ecs.progress(1.0);
test_int(0, sys_a_invoked);
test_int(0, sys_b_invoked);
ecs.progress(1.0);
test_int(0, sys_a_invoked);
test_int(0, sys_b_invoked);
ecs.progress(1.0);
test_int(1, sys_a_invoked);
test_int(1, sys_b_invoked);
}
void System_nested_rate_tick_source(void) {
flecs::world ecs;
flecs::timer t_3 = ecs.timer().rate(3);
flecs::timer t_6 = ecs.timer().rate(2, t_3);
int32_t sys_a_invoked = 0, sys_b_invoked = 0;
ecs.system()
.tick_source(t_3)
.iter([&](flecs::iter& it) {
sys_a_invoked ++;
});
ecs.system()
.tick_source(t_6)
.iter([&](flecs::iter& it) {
sys_b_invoked ++;
});
ecs.progress(1.0);
test_int(0, sys_a_invoked);
test_int(0, sys_b_invoked);
ecs.progress(1.0);
test_int(0, sys_a_invoked);
test_int(0, sys_b_invoked);
ecs.progress(1.0);
test_int(1, sys_a_invoked);
test_int(0, sys_b_invoked);
ecs.progress(1.0);
test_int(1, sys_a_invoked);
test_int(0, sys_b_invoked);
ecs.progress(1.0);
test_int(1, sys_a_invoked);
test_int(0, sys_b_invoked);
ecs.progress(1.0);
test_int(2, sys_a_invoked);
test_int(1, sys_b_invoked);
}
void System_table_get(void) {
flecs::world ecs;
flecs::entity e1 = ecs.entity().set<Position>({10, 20});
flecs::entity e2 = ecs.entity().set<Position>({20, 30});
auto s = ecs.system()
.with<Position>()
.each([&](flecs::iter& iter, size_t index) {
flecs::entity e = iter.entity(index);
const Position *p = &iter.table().get<Position>()[index];
test_assert(p != nullptr);
test_assert(e == e1 || e == e2);
if (e == e1) {
test_int(p->x, 10);
test_int(p->y, 20);
} else if (e == e2) {
test_int(p->x, 20);
test_int(p->y, 30);
}
});
s.run();
}
void System_range_get(void) {
flecs::world ecs;
flecs::entity e1 = ecs.entity().set<Position>({10, 20});
flecs::entity e2 = ecs.entity().set<Position>({20, 30});
auto s = ecs.system()
.with<Position>()
.each([&](flecs::iter& iter, size_t index) {
flecs::entity e = iter.entity(index);
const Position *p = &iter.range().get<Position>()[index];
test_assert(p != nullptr);
test_assert(e == e1 || e == e2);
if (e == e1) {
test_int(p->x, 10);
test_int(p->y, 20);
} else if (e == e2) {
test_int(p->x, 20);
test_int(p->y, 30);
}
});
s.run();
}
void System_randomize_timers(void) {
flecs::world ecs;
flecs::entity s1 = ecs.system()
.interval(1.0)
.iter([](flecs::iter& it) { });
{
const flecs::Timer *t = s1.get<flecs::Timer>();
test_assert(t != nullptr);
test_assert(t->time == 0);
}
ecs.randomize_timers();
flecs::entity s2 = ecs.system()
.interval(1.0)
.iter([](flecs::iter& it) { });
{
const flecs::Timer *t = s1.get<flecs::Timer>();
test_assert(t != nullptr);
test_assert(t->time != 0);
}
{
const flecs::Timer *t = s2.get<flecs::Timer>();
test_assert(t != nullptr);
test_assert(t->time != 0);
}
}
void System_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;
ecs.system<flecs::pair<Position, Tag>*>()
.with<TagA>()
.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);
}