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Write AiSequence and Script data field by field via decompose function

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Use the same function to load and save to have single place with field order
definition. Use concepts for overload over different types.
This commit is contained in:
elsid 2024-01-12 02:15:54 +01:00
parent 3592dc4c88
commit 6451750890
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GPG key ID: 4DE04C198CBA7625
8 changed files with 104 additions and 28 deletions
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2
apps/openmw_test_suite/esm3/testsaveload.cpp
View file

@ -422,7 +422,6 @@ namespace ESM
std::copy(std::begin(idle), std::end(idle), record.mData.mIdle);
record.mData.mShouldRepeat = 12;
record.mDurationData.mRemainingDuration = 13;
record.mDurationData.mUnused = 14;
record.mStoredInitialActorPosition = true;
constexpr float initialActorPosition[3] = { 15, 16, 17 };
static_assert(std::size(initialActorPosition) == std::size(record.mInitialActorPosition.mValues));
@ -438,7 +437,6 @@ namespace ESM
EXPECT_THAT(result.mData.mIdle, ElementsAreArray(record.mData.mIdle));
EXPECT_EQ(result.mData.mShouldRepeat, record.mData.mShouldRepeat);
EXPECT_EQ(result.mDurationData.mRemainingDuration, record.mDurationData.mRemainingDuration);
EXPECT_EQ(result.mDurationData.mUnused, record.mDurationData.mUnused);
EXPECT_EQ(result.mStoredInitialActorPosition, record.mStoredInitialActorPosition);
EXPECT_THAT(result.mInitialActorPosition.mValues, ElementsAreArray(record.mInitialActorPosition.mValues));
}

10
components/esm/decompose.hpp Normal file
View file

@ -0,0 +1,10 @@
#ifndef OPENMW_COMPONENTS_ESM_DECOMPOSE_H
#define OPENMW_COMPONENTS_ESM_DECOMPOSE_H
namespace ESM
{
template <class T>
void decompose(T&& value, const auto& apply) = delete;
}
#endif

50
components/esm3/aisequence.cpp
View file

@ -3,32 +3,58 @@
#include "esmreader.hpp"
#include "esmwriter.hpp"
#include <components/misc/concepts.hpp>
#include <algorithm>
#include <memory>
namespace ESM
{
template <Misc::SameAsWithoutCvref<AiSequence::AiWanderData> T>
void decompose(T&& v, const auto& f)
{
f(v.mDistance, v.mDuration, v.mTimeOfDay, v.mIdle, v.mShouldRepeat);
}
template <Misc::SameAsWithoutCvref<AiSequence::AiWanderDuration> T>
void decompose(T&& v, const auto& f)
{
std::uint32_t unused = 0;
f(v.mRemainingDuration, unused);
}
template <Misc::SameAsWithoutCvref<AiSequence::AiTravelData> T>
void decompose(T&& v, const auto& f)
{
f(v.mX, v.mY, v.mZ);
}
template <Misc::SameAsWithoutCvref<AiSequence::AiEscortData> T>
void decompose(T&& v, const auto& f)
{
f(v.mX, v.mY, v.mZ, v.mDuration);
}
namespace AiSequence
{
void AiWander::load(ESMReader& esm)
{
esm.getHNT("DATA", mData.mDistance, mData.mDuration, mData.mTimeOfDay, mData.mIdle, mData.mShouldRepeat);
esm.getHNT("STAR", mDurationData.mRemainingDuration, mDurationData.mUnused); // was mStartTime
esm.getNamedComposite("DATA", mData);
esm.getNamedComposite("STAR", mDurationData); // was mStartTime
mStoredInitialActorPosition = esm.getHNOT("POS_", mInitialActorPosition.mValues);
}
void AiWander::save(ESMWriter& esm) const
{
esm.writeHNT("DATA", mData);
esm.writeHNT("STAR", mDurationData);
esm.writeNamedComposite("DATA", mData);
esm.writeNamedComposite("STAR", mDurationData); // was mStartTime
if (mStoredInitialActorPosition)
esm.writeHNT("POS_", mInitialActorPosition);
esm.writeHNT("POS_", mInitialActorPosition.mValues);
}
void AiTravel::load(ESMReader& esm)
{
esm.getHNT("DATA", mData.mX, mData.mY, mData.mZ);
esm.getNamedComposite("DATA", mData);
esm.getHNT(mHidden, "HIDD");
mRepeat = false;
esm.getHNOT(mRepeat, "REPT");
@ -36,7 +62,7 @@ namespace ESM
void AiTravel::save(ESMWriter& esm) const
{
esm.writeHNT("DATA", mData);
esm.writeNamedComposite("DATA", mData);
esm.writeHNT("HIDD", mHidden);
if (mRepeat)
esm.writeHNT("REPT", mRepeat);
@ -44,7 +70,7 @@ namespace ESM
void AiEscort::load(ESMReader& esm)
{
esm.getHNT("DATA", mData.mX, mData.mY, mData.mZ, mData.mDuration);
esm.getNamedComposite("DATA", mData);
mTargetId = esm.getHNRefId("TARG");
mTargetActorId = -1;
esm.getHNOT(mTargetActorId, "TAID");
@ -64,7 +90,7 @@ namespace ESM
void AiEscort::save(ESMWriter& esm) const
{
esm.writeHNT("DATA", mData);
esm.writeNamedComposite("DATA", mData);
esm.writeHNRefId("TARG", mTargetId);
esm.writeHNT("TAID", mTargetActorId);
esm.writeHNT("DURA", mRemainingDuration);
@ -76,7 +102,7 @@ namespace ESM
void AiFollow::load(ESMReader& esm)
{
esm.getHNT("DATA", mData.mX, mData.mY, mData.mZ, mData.mDuration);
esm.getNamedComposite("DATA", mData);
mTargetId = esm.getHNRefId("TARG");
mTargetActorId = -1;
esm.getHNOT(mTargetActorId, "TAID");
@ -101,7 +127,7 @@ namespace ESM
void AiFollow::save(ESMWriter& esm) const
{
esm.writeHNT("DATA", mData);
esm.writeNamedComposite("DATA", mData);
esm.writeHNRefId("TARG", mTargetId);
esm.writeHNT("TAID", mTargetActorId);
esm.writeHNT("DURA", mRemainingDuration);

13
components/esm3/aisequence.hpp
View file

@ -36,32 +36,31 @@ namespace ESM
virtual ~AiPackage() {}
};
#pragma pack(push, 1)
struct AiWanderData
{
int16_t mDistance;
int16_t mDuration;
unsigned char mTimeOfDay;
unsigned char mIdle[8];
unsigned char mShouldRepeat;
std::uint8_t mTimeOfDay;
std::uint8_t mIdle[8];
std::uint8_t mShouldRepeat;
};
struct AiWanderDuration
{
float mRemainingDuration;
int32_t mUnused;
};
struct AiTravelData
{
float mX, mY, mZ;
};
struct AiEscortData
{
float mX, mY, mZ;
int16_t mDuration;
};
#pragma pack(pop)
struct AiWander : AiPackage
{
AiWanderData mData;

12
components/esm3/esmreader.hpp
View file

@ -12,8 +12,10 @@
#include <components/to_utf8/to_utf8.hpp>
#include "components/esm/decompose.hpp"
#include "components/esm/esmcommon.hpp"
#include "components/esm/refid.hpp"
#include "loadtes3.hpp"
namespace ESM
@ -177,6 +179,16 @@ namespace ESM
(getT(args), ...);
}
void getNamedComposite(NAME name, auto& value)
{
decompose(value, [&](auto&... args) { getHNT(name, args...); });
}
void getComposite(auto& value)
{
decompose(value, [&](auto&... args) { (getT(args), ...); });
}
template <typename T, typename = std::enable_if_t<IsReadable<T>>>
void skipHT()
{

17
components/esm3/esmwriter.hpp
View file

@ -5,6 +5,7 @@
#include <list>
#include <type_traits>
#include "components/esm/decompose.hpp"
#include "components/esm/esmcommon.hpp"
#include "components/esm/refid.hpp"
@ -121,6 +122,20 @@ namespace ESM
endRecord(name);
}
void writeNamedComposite(NAME name, const auto& value)
{
decompose(value, [&](const auto&... args) {
startSubRecord(name);
(writeT(args), ...);
endRecord(name);
});
}
void writeComposite(const auto& value)
{
decompose(value, [&](const auto&... args) { (writeT(args), ...); });
}
// Prevent using writeHNT with strings. This already happened by accident and results in
// state being discarded without any error on writing or reading it. :(
// writeHNString and friends must be used instead.
@ -132,7 +147,7 @@ namespace ESM
void writeHNT(NAME name, const T (&data)[size], int) = delete;
template <typename T>
void writeHNT(NAME name, const T& data, int size)
void writeHNT(NAME name, const T& data, std::size_t size)
{
startSubRecord(name);
writeT(data, size);

15
components/esm3/loadscpt.cpp
View file

@ -4,12 +4,19 @@
#include <sstream>
#include <components/debug/debuglog.hpp>
#include <components/misc/concepts.hpp>
#include "esmreader.hpp"
#include "esmwriter.hpp"
namespace ESM
{
template <Misc::SameAsWithoutCvref<Script::SCHDstruct> T>
void decompose(T&& v, const auto& f)
{
f(v.mNumShorts, v.mNumLongs, v.mNumFloats, v.mScriptDataSize, v.mStringTableSize);
}
void Script::loadSCVR(ESMReader& esm)
{
uint32_t s = mData.mStringTableSize;
@ -99,11 +106,7 @@ namespace ESM
{
esm.getSubHeader();
mId = esm.getMaybeFixedRefIdSize(32);
esm.getT(mData.mNumShorts);
esm.getT(mData.mNumLongs);
esm.getT(mData.mNumFloats);
esm.getT(mData.mScriptDataSize);
esm.getT(mData.mStringTableSize);
esm.getComposite(mData);
hasHeader = true;
break;
@ -157,7 +160,7 @@ namespace ESM
esm.startSubRecord("SCHD");
esm.writeMaybeFixedSizeRefId(mId, 32);
esm.writeT(mData, 20);
esm.writeComposite(mData);
esm.endRecord("SCHD");
if (isDeleted)

13
components/misc/concepts.hpp Normal file
View file

@ -0,0 +1,13 @@
#ifndef OPENMW_COMPONENTS_MISC_CONCEPTS_H
#define OPENMW_COMPONENTS_MISC_CONCEPTS_H
#include <concepts>
#include <type_traits>
namespace Misc
{
template <class T, class U>
concept SameAsWithoutCvref = std::same_as<std::remove_cvref_t<T>, std::remove_cvref_t<U>>;
}
#endif