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046b5f83ee
A component to load ESM content files with limited support for record types and selection which of them to load. Supported record types are: ACTI, CELL, CONT, DOOR, GMST, LAND, STAT.
44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
#ifndef OPENMW_COMPONENTS_ESMLOADER_RECORD_H
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#define OPENMW_COMPONENTS_ESMLOADER_RECORD_H
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#include <components/esm/loadcell.hpp>
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#include <algorithm>
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#include <utility>
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#include <vector>
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namespace EsmLoader
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{
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template <class T>
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struct Record
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{
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bool mDeleted;
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T mValue;
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template <class ... Args>
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explicit Record(bool deleted, Args&& ... args)
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: mDeleted(deleted)
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, mValue(std::forward<Args>(args) ...)
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{}
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};
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template <class T>
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using Records = std::vector<Record<T>>;
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template <class T, class GetKey>
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inline std::vector<T> prepareRecords(Records<T>& records, const GetKey& getKey)
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{
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const auto greaterByKey = [&] (const auto& l, const auto& r) { return getKey(r) < getKey(l); };
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const auto equalByKey = [&] (const auto& l, const auto& r) { return getKey(l) == getKey(r); };
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std::stable_sort(records.begin(), records.end(), greaterByKey);
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records.erase(std::unique(records.begin(), records.end(), equalByKey), records.end());
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std::reverse(records.begin(), records.end());
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std::vector<T> result;
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for (Record<T>& v : records)
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if (!v.mDeleted)
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result.emplace_back(std::move(v.mValue));
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return result;
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}
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}
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#endif
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