Mask.hpp

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/* This file is part of Berserk Engine project                                    */
/* https://github.com/EgorOrachyov/Berserk                                        */
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/* Copyright (c) 2018 - 2021 Egor Orachyov                                        */
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#ifndef BERSERK_MASK_HPP
#define BERSERK_MASK_HPP
 
#include <core/Config.hpp>
#include <core/Typedefs.hpp>
 
#include <bitset>
#include <cassert>
#include <initializer_list>
 
BRK_NS_BEGIN
 
template<typename T, size_t Size = sizeof(uint32) * 8>
class Mask {
public:
    Mask() = default;
    Mask(const std::initializer_list<T> &list) {
        for (auto v : list) {
            Set(v);
        }
    }
 
    Mask &Set(T v, bool val = true) {
        assert(static_cast<size_t>(v) < Size);
        auto index = static_cast<size_t>(v);
        value.set(index, val);
        return *this;
    }
 
    bool Get(T v) const {
        assert(static_cast<size_t>(v) < Size);
        auto index = static_cast<size_t>(v);
        return value[index];
    }
 
    std::bitset<Size> value;
};
 
BRK_NS_END
 
#endif//BERSERK_MASK_HPP