ID.hpp

#pragma once
#include <cstdint>
#include <functional>
#include <stdint.h>
 
namespace StevEngine::Utilities {
    class ID {
        public:
            ID();

            ID(const ID& other);

            ID(uint8_t* raw);

            ID(const char* text);

            const char* GetString() const;

            ID& operator=(const ID& other);

            bool operator==(const ID& other) const;

            bool operator<(const ID& other) const;

            bool operator()(const ID& lhs, const ID& rhs) const;

            bool IsNull() const;

            static ID empty;
 
            const uint8_t* GetRaw() const { return raw; }
 
        private:
            uint8_t raw[16]; 
    };
}
 
template<> struct std::hash<StevEngine::Utilities::ID> {
        std::size_t operator()(const StevEngine::Utilities::ID& k) const {
            size_t result = 0;
            std::hash<uint8_t> hasher;
            auto values = k.GetRaw();
            for (uint8_t i = 0; i < 16; i++) {
                result = result * 31 + hasher(values[i]);
            }
            return result;
        }
};