st-forms.h

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#pragma once
 
namespace StyyxUtil
{
 
 
struct FormUtil
{
    static RE::TESForm* GetFormFromString(const std::string& a_form_id_string)
    {
        if (a_form_id_string.empty())
        {
            return nullptr;
        }
 
        if (a_form_id_string.find('|') != std::string::npos)
        {
            std::istringstream ss{a_form_id_string};
            std::string plugin, id;
            std::getline(ss, plugin, '|');
            std::getline(ss, id);
 
            if (plugin.empty() || id.empty())
            {
                return nullptr;
            }
 
            RE::FormID rawFormID{};
            std::istringstream(id) >> std::hex >> rawFormID;
 
            if (!rawFormID)
            {
                return nullptr;
            }
 
            if (auto* dataHandler = RE::TESDataHandler::GetSingleton())
            {
                auto* form = dataHandler->LookupForm(rawFormID, plugin);
                return form;
            }
            return nullptr;
        }
 
        if (auto* form = RE::TESForm::LookupByEditorID(a_form_id_string))
        {
            return form;
        }
        return nullptr;
    }

    static RE::SpellItem* GetSpellFromString(const std::string& a_form_id_string)
    {
        const auto form = GetFormFromString(a_form_id_string);
        return form ? form->As<RE::SpellItem>() : nullptr;
    }

    static RE::EffectSetting* GetEffectSettingFromString(const std::string& a_form_id_string)
    {
        const auto form = GetFormFromString(a_form_id_string);
        return form ? form->As<RE::EffectSetting>() : nullptr;
    }

    static RE::TESObjectWEAP* GetWeaponFromString(const std::string& a_form_id_string)
    {
        const auto form = GetFormFromString(a_form_id_string);
        return form ? form->As<RE::TESObjectWEAP>() : nullptr;
    }
};
} // namespace StyyxUtil