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2 changed files with 4 additions and 69 deletions

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@ -1,23 +1,7 @@
#include <catch2/catch_test_macros.hpp>
#define CATCH_CONFIG_MAIN
#include <catch2/catch_all.hpp>
#include "../zecsy.hpp"
using namespace zecsy;
TEST_CASE("Create a single entity and verify its existence")
TEST_CASE("dumb")
{
world w;
auto e = w.make_entity();
REQUIRE(w.is_alive(e));
}
TEST_CASE("Destroy an entity and ensure it no longer exists in the world")
{
world w;
auto e = w.make_entity();
w.destroy_entity(e);
REQUIRE_FALSE(w.is_alive(e));
REQUIRE(true);
}

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@ -1,51 +1,2 @@
#pragma once
#include <cstdint>
#include <bitset>
#include <numeric>
#ifndef MAX_ZECSY_ENTITIES
#define MAX_ZECSY_ENTITIES 65536
#endif // !MAX_ZECSY_ENTITIES
namespace zecsy
{
using entity_id = uint64_t;
class world final
{
public:
world() = default;
world(const world &) = default;
world(world &&) = default;
world &operator=(const world &) = default;
world &operator=(world &&) = default;
entity_id make_entity();
void destroy_entity(entity_id e);
bool is_alive(entity_id e) const;
private:
std::bitset<MAX_ZECSY_ENTITIES> entities_bitset;
entity_id entity_counter = 0;
};
inline entity_id world::make_entity()
{
auto id = entity_counter;
entities_bitset.set(id);
entity_counter++;
return id;
}
inline void world::destroy_entity(entity_id e)
{
entities_bitset.reset(e);
}
inline bool world::is_alive(entity_id e) const
{
return entities_bitset.test(e);
}
};
//oh hi
int foo() {}