index_pixel.hpp

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#pragma once
 
// ReSharper disable once CppUnusedIncludeDirective
#include <compare>
#include <set>
 
#include "porytiles2/xcut/panic/panic.hpp"
 
namespace porytiles2 {
 
class IndexPixel {
  public:
    IndexPixel() : index_{0} {}
 
    // NOLINTNEXTLINE(google-explicit-constructor)
    IndexPixel(unsigned int index) : index_{index}
    {
        // TODO: don't hardcode 16 here
        // if (index_ >= 16) {
        //     panic("invalid IndexPixel value: " + std::to_string(index_));
        // }
    }
 
    bool operator==(const IndexPixel &other) const = default;
 
    auto operator<=>(const IndexPixel &) const = default;
 
    [[nodiscard]] bool is_transparent() const
    {
        return index_ == 0;
    }
 
    [[nodiscard]] unsigned int index() const
    {
        return index_;
    }
 
  private:
    unsigned int index_;
};
 
} // namespace porytiles2