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#include "foreachbulletobject.hpp"
#include <components/debug/debuglog.hpp>
#include <components/esm3/cellref.hpp>
#include <components/esm3/esmreader.hpp>
#include <components/esm3/loadcell.hpp>
#include <components/esm3/readerscache.hpp>
#include <components/esmloader/esmdata.hpp>
#include <components/esmloader/lessbyid.hpp>
#include <components/esmloader/record.hpp>
#include <components/misc/resourcehelpers.hpp>
#include <components/misc/strings/lower.hpp>
#include <components/resource/bulletshapemanager.hpp>
#include <components/vfs/manager.hpp>
#include <osg/ref_ptr>
#include <algorithm>
#include <utility>
#include <vector>
namespace Resource
{
namespace
{
struct CellRef
{
ESM::RecNameInts mType;
ESM::RefNum mRefNum;
ESM::RefId mRefId;
float mScale;
ESM::Position mPos;
CellRef(
ESM::RecNameInts type, ESM::RefNum refNum, ESM::RefId&& refId, float scale, const ESM::Position& pos)
: mType(type)
, mRefNum(refNum)
, mRefId(std::move(refId))
, mScale(scale)
, mPos(pos)
{
}
};
ESM::RecNameInts getType(const EsmLoader::EsmData& esmData, const ESM::RefId& refId)
{
const auto it = std::lower_bound(
esmData.mRefIdTypes.begin(), esmData.mRefIdTypes.end(), refId, EsmLoader::LessById{});
if (it == esmData.mRefIdTypes.end() || it->mId != refId)
return {};
return it->mType;
}
std::vector<CellRef> loadCellRefs(
const ESM::Cell& cell, const EsmLoader::EsmData& esmData, ESM::ReadersCache& readers)
{
std::vector<EsmLoader::Record<CellRef>> cellRefs;
for (std::size_t i = 0; i < cell.mContextList.size(); i++)
{
const ESM::ReadersCache::BusyItem reader
= readers.get(static_cast<std::size_t>(cell.mContextList[i].index));
cell.restore(*reader, static_cast<int>(i));
ESM::CellRef cellRef;
bool deleted = false;
while (ESM::Cell::getNextRef(*reader, cellRef, deleted))
{
const ESM::RecNameInts type = getType(esmData, cellRef.mRefID);
if (type == ESM::RecNameInts{})
continue;
cellRefs.emplace_back(
deleted, type, cellRef.mRefNum, std::move(cellRef.mRefID), cellRef.mScale, cellRef.mPos);
}
}
Log(Debug::Debug) << "Loaded " << cellRefs.size() << " cell refs";
const auto getKey = [](const EsmLoader::Record<CellRef>& v) -> ESM::RefNum { return v.mValue.mRefNum; };
std::vector<CellRef> result = prepareRecords(cellRefs, getKey);
Log(Debug::Debug) << "Prepared " << result.size() << " unique cell refs";
return result;
}
template <class F>
void forEachObject(const ESM::Cell& cell, const EsmLoader::EsmData& esmData, const VFS::Manager& vfs,
Resource::BulletShapeManager& bulletShapeManager, ESM::ReadersCache& readers, F&& f)
{
std::vector<CellRef> cellRefs = loadCellRefs(cell, esmData, readers);
Log(Debug::Debug) << "Prepared " << cellRefs.size() << " unique cell refs";
for (CellRef& cellRef : cellRefs)
{
VFS::Path::Normalized model(getModel(esmData, cellRef.mRefId, cellRef.mType));
if (model.empty())
continue;
if (cellRef.mType != ESM::REC_STAT)
model = Misc::ResourceHelpers::correctActorModelPath(model, &vfs);
osg::ref_ptr<const Resource::BulletShape> shape = [&] {
try
{
constexpr VFS::Path::NormalizedView prefix("meshes");
return bulletShapeManager.getShape(prefix / model);
}
catch (const std::exception& e)
{
Log(Debug::Warning) << "Failed to load cell ref \"" << cellRef.mRefId << "\" model \"" << model
<< "\": " << e.what();
return osg::ref_ptr<const Resource::BulletShape>();
}
}();
if (shape == nullptr)
continue;
switch (cellRef.mType)
{
case ESM::REC_ACTI:
case ESM::REC_CONT:
case ESM::REC_DOOR:
case ESM::REC_STAT:
f(BulletObject{ std::move(shape), cellRef.mPos, cellRef.mScale });
break;
default:
break;
}
}
}
}
void forEachBulletObject(ESM::ReadersCache& readers, const VFS::Manager& vfs,
Resource::BulletShapeManager& bulletShapeManager, const EsmLoader::EsmData& esmData,
std::function<void(const ESM::Cell& cell, const BulletObject& object)> callback)
{
Log(Debug::Info) << "Processing " << esmData.mCells.size() << " cells...";
for (std::size_t i = 0; i < esmData.mCells.size(); ++i)
{
const ESM::Cell& cell = esmData.mCells[i];
const bool exterior = cell.isExterior();
Log(Debug::Debug) << "Processing " << (exterior ? "exterior" : "interior") << " cell (" << (i + 1) << "/"
<< esmData.mCells.size() << ") \"" << cell.getDescription() << "\"";
std::size_t objects = 0;
forEachObject(cell, esmData, vfs, bulletShapeManager, readers, [&](const BulletObject& object) {
callback(cell, object);
++objects;
});
Log(Debug::Info) << "Processed " << (exterior ? "exterior" : "interior") << " cell (" << (i + 1) << "/"
<< esmData.mCells.size() << ") " << cell.getDescription() << " with " << objects
<< " objects";
}
}
}
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