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Use unique_ptr to store LandData in ESM::Land

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This commit is contained in:
elsid 2023-08-12 13:26:04 +02:00
parent d0f8ab5767
commit c88e9dee27
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GPG Key ID: 4DE04C198CBA7625
2 changed files with 16 additions and 27 deletions
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35
components/esm3/loadland.cpp
View File

@ -38,11 +38,6 @@ namespace ESM
}
}
Land::~Land()
{
delete mLandData;
}
void Land::load(ESMReader& esm, bool& isDeleted)
{
isDeleted = false;
@ -204,8 +199,8 @@ namespace ESM
std::fill(std::begin(mWnam), std::end(mWnam), 0);
if (!mLandData)
mLandData = new LandData;
if (mLandData == nullptr)
mLandData = std::make_unique<LandData>();
mLandData->mHeightOffset = 0;
std::fill(std::begin(mLandData->mHeights), std::end(mLandData->mHeights), 0);
@ -232,13 +227,11 @@ namespace ESM
void Land::loadData(int flags, LandData* target) const
{
// Create storage if nothing is loaded
if (!target && !mLandData)
{
mLandData = new LandData;
}
if (target == nullptr && mLandData == nullptr)
mLandData = std::make_unique<LandData>();
if (!target)
target = mLandData;
if (target == nullptr)
target = mLandData.get();
// Try to load only available data
flags = flags & mDataTypes;
@ -252,7 +245,7 @@ namespace ESM
if (mContext.filename.empty())
{
// Make sure there is data, and that it doesn't point to the same object.
if (mLandData && mLandData != target)
if (mLandData != nullptr && mLandData.get() != target)
*target = *mLandData;
return;
@ -318,11 +311,7 @@ namespace ESM
void Land::unloadData() const
{
if (mLandData)
{
delete mLandData;
mLandData = nullptr;
}
mLandData = nullptr;
}
bool Land::isDataLoaded(int flags) const
@ -336,7 +325,7 @@ namespace ESM
, mY(land.mY)
, mContext(land.mContext)
, mDataTypes(land.mDataTypes)
, mLandData(land.mLandData ? new LandData(*land.mLandData) : nullptr)
, mLandData(land.mLandData != nullptr ? std::make_unique<LandData>(*land.mLandData) : nullptr)
{
std::copy(land.mWnam, land.mWnam + LAND_GLOBAL_MAP_LOD_SIZE, mWnam);
}
@ -365,13 +354,13 @@ namespace ESM
return nullptr;
loadData(flags);
return mLandData;
return mLandData.get();
}
void Land::add(int flags)
{
if (!mLandData)
mLandData = new LandData;
if (mLandData == nullptr)
mLandData = std::make_unique<LandData>();
mDataTypes |= flags;
mLandData->mDataLoaded |= flags;

8
components/esm3/loadland.hpp
View File

@ -2,6 +2,7 @@
#define OPENMW_ESM_LAND_H
#include <cstdint>
#include <memory>
#include <components/misc/constants.hpp>
@ -26,7 +27,6 @@ namespace ESM
static std::string_view getRecordType() { return "Land"; }
Land() = default;
~Land();
// Only first four bits seem to be used, don't know what they mean.
std::uint32_t mFlags = 0;
@ -152,13 +152,13 @@ namespace ESM
/// Return land data without loading first anything. Can return a 0-pointer.
const LandData* getLandData() const
{
return mLandData;
return mLandData.get();
}
/// Return land data without loading first anything. Can return a 0-pointer.
LandData* getLandData()
{
return mLandData;
return mLandData.get();
}
/// \attention Must not be called on objects that aren't fully loaded.
@ -167,7 +167,7 @@ namespace ESM
void add(int flags);
private:
mutable LandData* mLandData = nullptr;
mutable std::unique_ptr<LandData> mLandData;
};
}