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openmw/components/esmloader/esmdata.cpp

82 lines
2.6 KiB
C++

#include "esmdata.hpp"
#include "lessbyid.hpp"
#include "record.hpp"
#include <components/esm/defs.hpp>
#include <components/esm3/loadacti.hpp>
#include <components/esm3/loadcont.hpp>
#include <components/esm3/loaddoor.hpp>
#include <components/esm3/loadgmst.hpp>
#include <components/esm3/loadland.hpp>
#include <components/esm3/loadstat.hpp>
#include <components/esm3/variant.hpp>
#include <components/misc/strings/lower.hpp>
#include <algorithm>
#include <stdexcept>
#include <string>
#include <string_view>
#include <type_traits>
#include <utility>
#include <vector>
namespace EsmLoader
{
namespace
{
template <class F>
auto returnAs(F&& f)
{
using Result = decltype(std::forward<F>(f)(ESM::Static{}));
if constexpr (!std::is_same_v<Result, void>)
return Result{};
}
template <class T, class F>
auto withStatic(const ESM::RefId& refId, const std::vector<T>& values, F&& f)
{
const auto it = std::lower_bound(values.begin(), values.end(), refId, LessById{});
if (it == values.end() || it->mId != refId)
return returnAs(std::forward<F>(f));
return std::forward<F>(f)(*it);
}
template <class F>
auto withStatic(const ESM::RefId& refId, ESM::RecNameInts type, const EsmData& content, F&& f)
{
switch (type)
{
case ESM::REC_ACTI:
return withStatic(refId, content.mActivators, std::forward<F>(f));
case ESM::REC_CONT:
return withStatic(refId, content.mContainers, std::forward<F>(f));
case ESM::REC_DOOR:
return withStatic(refId, content.mDoors, std::forward<F>(f));
case ESM::REC_STAT:
return withStatic(refId, content.mStatics, std::forward<F>(f));
default:
break;
}
return returnAs(std::forward<F>(f));
}
}
EsmData::~EsmData() {}
std::string_view getModel(const EsmData& content, const ESM::RefId& refId, ESM::RecNameInts type)
{
return withStatic(refId, type, content, [](const auto& v) { return std::string_view(v.mModel); });
}
ESM::Variant getGameSetting(const std::vector<ESM::GameSetting>& records, std::string_view id)
{
auto it = std::lower_bound(records.begin(), records.end(), id, LessById{});
if (it == records.end() || it->mId != id)
throw std::runtime_error("Game settings \"" + std::string(id) + "\" is not found");
return it->mValue;
}
}