PkmnLib/src/Library/Species/SpeciesLibrary.cpp

#include "SpeciesLibrary.hpp"
namespace PkmnLib::Library {
    std::optional<ArbUt::BorrowedPtr<const PokemonSpecies>>
    SpeciesLibrary::FindPreEvolution(const ArbUt::BorrowedPtr<const PokemonSpecies>& species) const noexcept {
        auto tryGet = _preEvolutionCache.TryGet(species);
        if (tryGet.has_value()) {
            return tryGet->get();
        }
        for (const auto& s : _values) {
            const auto* pkmn = dynamic_cast<const PokemonSpecies* nullable>(s.second.get());
            if (pkmn == nullptr) {
                continue;
            }
            for (const auto& evo : pkmn->GetEvolutions()) {
                if (evo->GetNewSpecies() == species) {
                    auto* non_const = const_cast<SpeciesLibrary*>(this);
                    non_const->_preEvolutionCache.Insert(species, pkmn);
                    return pkmn;
                }
            }
        }
        return {};
    }
}