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#include <iostream>
#include <string>
#include <ctime>
#include <functional>
#include <iomanip>
#include "entities.hpp"
#include <entityx/entityx.h>
#include <entityx/deps/Dependencies.h>
using TestFunc = std::function<void(void)>;
constexpr unsigned int testCount = 100;
void test(const std::string& t, TestFunc ours, TestFunc theirs)
{
auto run = [](auto f) {
clock_t avg = 0;
for (unsigned int i = 0; i < testCount; i++) {
auto start = clock();
f();
auto diff = clock() - start;
avg += diff;
}
auto diff = avg / testCount;
std::cout << "Test took " <<
diff << " ticks (" << diff / static_cast<double>(CLOCKS_PER_SEC) <<
"ms).\n";
return diff;
};
std::cout << std::fixed << std::setprecision(6);
std::cout << "==============================================\n";
std::cout << "Running test: " << t << "\n";
std::cout << "Ours:\n";
auto o = run(ours);
std::cout << "Theirs:\n";
auto p = run(theirs);
auto percent = (o - p) / static_cast<float>(p);
std::cout << "\nDIFFERENCE: " << o - p << " ticks (" <<
std::setprecision(2) << percent << "%).\n\n";
}
struct Position : public Component {
float x, y;
Position(float _x = 0, float _y = 0)
: x(_x), y(_y) {}
};
struct Velocity : public Component {
float x, y;
Velocity(float _x = 0, float _y = 0)
: x(_x), y(_y) {}
};
int main(void)
{
EntityManager em;
entityx::EventManager ev;
entityx::EntityManager xm (ev);
entityx::SystemManager xsm (xm, ev);
test("Creation500",
[&em](){
for (int i = 0; i < 500; i++)
em.create();
},
[&xm](){
for (int i = 0; i < 500; i++)
xm.create();
});
test("Reset",
[&em](){
em.reset();
},
[&xm](){
xm.reset();
});
test("Assign",
[&em](){
auto e = em.create();
auto& pos = *e.assign<Position>(12, 34);
//std::cout << pos.x << ' ' << pos.y << '\n';
pos.x = 56, pos.y = 16;
//std::cout << pos.x << ' ' << pos.y << '\n';
},
[&xm](){
auto e = xm.create();
auto pos = e.assign<Position>(12, 34);
//std::cout << pos->x << ' ' << pos->y << '\n';
pos->x = 56, pos->y = 16;
//std::cout << pos->x << ' ' << pos->y << '\n';
});
test("HasComponent",
[&em](){
auto e = em.create();
//std::cout << e.hasComponent<Position>() << '\n';
e.assign<Position>();
//std::cout << e.hasComponent<Position>() << '\n';
},
[&xm](){
auto e = xm.create();
//std::cout << e.has_component<Position>() << '\n';
e.assign<Position>();
//std::cout << e.has_component<Position>() << '\n';
});
test("Remove",
[&em](){
auto e = em.create();
//std::cout << e.hasComponent<Position>() << '\n';
e.assign<Position>();
//std::cout << e.hasComponent<Position>() << '\n';
e.remove<Position>();
//std::cout << e.hasComponent<Position>() << '\n';
},
[&xm](){
auto e = xm.create();
//std::cout << e.has_component<Position>() << '\n';
e.assign<Position>();
//std::cout << e.has_component<Position>() << '\n';
e.remove<Position>();
//std::cout << e.has_component<Position>() << '\n';
});
/*test("EachAll", [&em](){
em.reset();
em.create(), em.create(), em.create();
int i = 0;
em.each([&i](Entity e) {
std::cout << ++i << '\n';
});
});*/
test("EachSpec",
[&em](){
em.reset();
em.create(), em.create();
auto e1 = em.create(); e1.assign<Position>(1, 3);
em.create();
auto e2 = em.create(); e2.assign<Position>(99);
em.each<Position>([](Entity e) {
auto& pos = *e.component<Position>();
//std::cout << pos.x << ' ' << pos.y << '\n';
});
},
[&xm](){
xm.reset();
xm.create(), xm.create();
auto e1 = xm.create(); e1.assign<Position>(1, 3);
xm.create();
auto e2 = xm.create(); e2.assign<Position>(99);
xm.each<Position>([](entityx::Entity e, Position& pos) {
//std::cout << pos.x << ' ' << pos.y << '\n';
});
});
test("Loop100",
[&em](){
for (int i = 100; i--;) {
auto e = em.create();
e.assign<Position>(i, i);
}
em.each<Position>([](Entity e) {
auto& pos = * e.component<Position>();
pos.x += 5, pos.y -= 5;
});
},
[&xm](){
for (int i = 100; i--;) {
auto e = xm.create();
e.assign<Position>(i, i);
}
xm.each<Position>([](entityx::Entity e, Position pos) {
pos.x += 5, pos.y -= 5;
});
});
/*test("Dependency",
[&em](){
em.addDependency<Velocity, Position>();
auto e = em.create();
e.assign<Velocity>();
std::cout << e.hasComponent<Position>() << e.hasComponent<Velocity>() << '\n';
},
[&xm, &xsm](){
xsm.add<entityx::deps::Dependency<Velocity, Position>>();
auto e = xm.create();
e.assign<Velocity>();
std::cout << e.has_component<Position>() << e.has_component<Velocity>() << '\n';
});*/
return 0;
}
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