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Move particle geometry, add NiPSysData and NiPSysEmitterCtlrData

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These record types are currently unreachable, might get tweaks later
This commit is contained in:
Alexei Kotov 2023-09-21 12:07:48 +03:00
parent ecc58c6011
commit dddfbf806b
6 changed files with 167 additions and 100 deletions
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81
components/nif/data.cpp
View File

@ -13,8 +13,8 @@ namespace Nif
if (nif->getVersion() >= NIFStream::generateVersion(10, 1, 0, 114))
nif->read(mGroupId);
// Note: has special meaning for NiPSysData (unimplemented)
nif->read(mNumVertices);
bool hasData = recType != RC_NiPSysData || nif->getBethVersion() < NIFFile::BethVersion::BETHVER_FO3;
if (nif->getVersion() >= NIFStream::generateVersion(10, 1, 0, 0))
{
@ -22,7 +22,7 @@ namespace Nif
nif->read(mCompressFlags);
}
if (nif->get<bool>())
if (nif->get<bool>() && hasData)
nif->readVector(mVertices, mNumVertices);
if (nif->getVersion() >= NIFStream::generateVersion(10, 0, 1, 0))
@ -34,7 +34,7 @@ namespace Nif
nif->read(mMaterialHash);
}
if (nif->get<bool>())
if (nif->get<bool>() && hasData)
{
nif->readVector(mNormals, mNumVertices);
if (mDataFlags & DataFlag_HasTangents)
@ -46,7 +46,7 @@ namespace Nif
nif->read(mBoundingSphere);
if (nif->get<bool>())
if (nif->get<bool>() && hasData)
nif->readVector(mColors, mNumVertices);
if (nif->getVersion() <= NIFStream::generateVersion(4, 2, 2, 0))
@ -64,13 +64,16 @@ namespace Nif
else if (!nif->get<bool>())
numUVs = 0;
mUVList.resize(numUVs);
for (std::vector<osg::Vec2f>& list : mUVList)
if (hasData)
{
nif->readVector(list, mNumVertices);
// flip the texture coordinates to convert them to the OpenGL convention of bottom-left image origin
for (osg::Vec2f& uv : list)
uv.y() = 1.f - uv.y();
mUVList.resize(numUVs);
for (std::vector<osg::Vec2f>& list : mUVList)
{
nif->readVector(list, mNumVertices);
// flip the texture coordinates to convert them to the OpenGL convention of bottom-left image origin
for (osg::Vec2f& uv : list)
uv.y() = 1.f - uv.y();
}
}
if (nif->getVersion() >= NIFStream::generateVersion(10, 0, 1, 0))
@ -146,64 +149,6 @@ namespace Nif
mLines.shrink_to_fit();
}
void NiParticlesData::read(NIFStream* nif)
{
NiGeometryData::read(nif);
// Should always match the number of vertices in theory, but doesn't:
// see mist.nif in Mistify mod (https://www.nexusmods.com/morrowind/mods/48112).
if (nif->getVersion() <= NIFFile::NIFVersion::VER_MW)
nif->read(mNumParticles);
bool isBs202 = nif->getVersion() == NIFFile::NIFVersion::VER_BGS && nif->getBethVersion() != 0;
bool numRadii = 1;
if (nif->getVersion() > NIFStream::generateVersion(10, 0, 1, 0))
numRadii = (nif->get<bool>() && !isBs202) ? mNumVertices : 0;
nif->readVector(mRadii, numRadii);
nif->read(mActiveCount);
if (nif->get<bool>() && !isBs202)
nif->readVector(mSizes, mNumVertices);
if (nif->getVersion() >= NIFStream::generateVersion(10, 0, 1, 0))
{
if (nif->get<bool>() && !isBs202)
nif->readVector(mRotations, mNumVertices);
if (nif->getVersion() >= NIFStream::generateVersion(20, 0, 0, 4))
{
if (nif->get<bool>() && !isBs202)
nif->readVector(mRotationAngles, mNumVertices);
if (nif->get<bool>() && !isBs202)
nif->readVector(mRotationAxes, mNumVertices);
if (isBs202)
{
nif->read(mHasTextureIndices);
uint32_t numSubtextureOffsets;
if (nif->getBethVersion() <= NIFFile::BethVersion::BETHVER_FO3)
numSubtextureOffsets = nif->get<uint8_t>();
else
nif->read(numSubtextureOffsets);
nif->readVector(mSubtextureOffsets, numSubtextureOffsets);
if (nif->getBethVersion() > NIFFile::BethVersion::BETHVER_FO3)
{
nif->read(mAspectRatio);
nif->read(mAspectFlags);
nif->read(mAspectRatio2);
nif->read(mAspectSpeed);
nif->read(mAspectSpeed2);
}
}
}
}
}
void NiRotatingParticlesData::read(NIFStream* nif)
{
NiParticlesData::read(nif);
if (nif->getVersion() <= NIFStream::generateVersion(4, 2, 2, 0) && nif->get<bool>())
nif->readVector(mRotations, mNumVertices);
}
void NiPosData::read(NIFStream* nif)
{
mKeyList = std::make_shared<Vector3KeyMap>();

26
components/nif/data.hpp
View File

@ -70,32 +70,6 @@ namespace Nif
void read(NIFStream* nif) override;
};
struct NiParticlesData : public NiGeometryData
{
uint16_t mNumParticles{ 0 };
uint16_t mActiveCount;
std::vector<float> mRadii;
std::vector<float> mSizes;
std::vector<osg::Quat> mRotations;
std::vector<float> mRotationAngles;
std::vector<osg::Vec3f> mRotationAxes;
bool mHasTextureIndices{ false };
std::vector<osg::Vec4f> mSubtextureOffsets;
float mAspectRatio{ 1.f };
uint16_t mAspectFlags{ 0 };
float mAspectRatio2;
float mAspectSpeed, mAspectSpeed2;
void read(NIFStream* nif) override;
};
struct NiRotatingParticlesData : public NiParticlesData
{
void read(NIFStream* nif) override;
};
struct NiPosData : public Record
{
Vector3KeyMapPtr mKeyList;

20
components/nif/niffile.cpp
View File

@ -240,14 +240,8 @@ namespace Nif
// GEOMETRY
// 4.0.0.2
{ "NiAutoNormalParticles", &construct<NiParticles, RC_NiParticles> },
{ "NiAutoNormalParticlesData", &construct<NiParticlesData, RC_NiParticlesData> },
{ "NiLines", &construct<NiLines, RC_NiLines> },
{ "NiLinesData", &construct<NiLinesData, RC_NiLinesData> },
{ "NiParticles", &construct<NiParticles, RC_NiParticles> },
{ "NiParticlesData", &construct<NiParticlesData, RC_NiParticlesData> },
{ "NiRotatingParticles", &construct<NiParticles, RC_NiParticles> },
{ "NiRotatingParticlesData", &construct<NiRotatingParticlesData, RC_NiParticlesData> },
{ "NiSkinData", &construct<NiSkinData, RC_NiSkinData> },
{ "NiSkinInstance", &construct<NiSkinInstance, RC_NiSkinInstance> },
{ "NiSkinPartition", &construct<NiSkinPartition, RC_NiSkinPartition> },
@ -265,12 +259,26 @@ namespace Nif
// PARTICLES
// Geometry, 4.0.0.2
{ "NiAutoNormalParticles", &construct<NiParticles, RC_NiParticles> },
{ "NiAutoNormalParticlesData", &construct<NiParticlesData, RC_NiParticlesData> },
{ "NiParticles", &construct<NiParticles, RC_NiParticles> },
{ "NiParticlesData", &construct<NiParticlesData, RC_NiParticlesData> },
{ "NiRotatingParticles", &construct<NiParticles, RC_NiParticles> },
{ "NiRotatingParticlesData", &construct<NiRotatingParticlesData, RC_NiParticlesData> },
// Geometry, Gamebryo
{ "NiPSysData", &construct<NiPSysData, RC_NiPSysData> },
// Modifiers, 4.0.0.2
{ "NiGravity", &construct<NiGravity, RC_NiGravity> },
{ "NiParticleColorModifier", &construct<NiParticleColorModifier, RC_NiParticleColorModifier> },
{ "NiParticleGrowFade", &construct<NiParticleGrowFade, RC_NiParticleGrowFade> },
{ "NiParticleRotation", &construct<NiParticleRotation, RC_NiParticleRotation> },
// Modifier data, Gamebryo
{ "NiPSysEmitterCtlrData", &construct<NiPSysEmitterCtlrData, RC_NiPSysEmitterCtlrData> },
// Colliders, 4.0.0.2
{ "NiPlanarCollider", &construct<NiPlanarCollider, RC_NiPlanarCollider> },
{ "NiSphericalCollider", &construct<NiSphericalCollider, RC_NiSphericalCollider> },

93
components/nif/particle.cpp
View File

@ -92,4 +92,97 @@ namespace Nif
nif->read(mRotationSpeed);
}
void NiParticlesData::read(NIFStream* nif)
{
NiGeometryData::read(nif);
// Should always match the number of vertices in theory, but doesn't:
// see mist.nif in Mistify mod (https://www.nexusmods.com/morrowind/mods/48112).
if (nif->getVersion() <= NIFFile::NIFVersion::VER_MW)
nif->read(mNumParticles);
bool isBs202 = nif->getVersion() == NIFFile::NIFVersion::VER_BGS && nif->getBethVersion() != 0;
bool numRadii = 1;
if (nif->getVersion() > NIFStream::generateVersion(10, 0, 1, 0))
numRadii = (nif->get<bool>() && !isBs202) ? mNumVertices : 0;
nif->readVector(mRadii, numRadii);
nif->read(mActiveCount);
if (nif->get<bool>() && !isBs202)
nif->readVector(mSizes, mNumVertices);
if (nif->getVersion() >= NIFStream::generateVersion(10, 0, 1, 0))
{
if (nif->get<bool>() && !isBs202)
nif->readVector(mRotations, mNumVertices);
if (nif->getVersion() >= NIFStream::generateVersion(20, 0, 0, 4))
{
if (nif->get<bool>() && !isBs202)
nif->readVector(mRotationAngles, mNumVertices);
if (nif->get<bool>() && !isBs202)
nif->readVector(mRotationAxes, mNumVertices);
if (isBs202)
{
nif->read(mHasTextureIndices);
uint32_t numSubtextureOffsets;
if (nif->getBethVersion() <= NIFFile::BethVersion::BETHVER_FO3)
numSubtextureOffsets = nif->get<uint8_t>();
else
nif->read(numSubtextureOffsets);
nif->readVector(mSubtextureOffsets, numSubtextureOffsets);
if (nif->getBethVersion() > NIFFile::BethVersion::BETHVER_FO3)
{
nif->read(mAspectRatio);
nif->read(mAspectFlags);
nif->read(mAspectRatio2);
nif->read(mAspectSpeed);
nif->read(mAspectSpeed2);
}
}
}
}
}
void NiRotatingParticlesData::read(NIFStream* nif)
{
NiParticlesData::read(nif);
if (nif->getVersion() <= NIFStream::generateVersion(4, 2, 2, 0) && nif->get<bool>())
nif->readVector(mRotations, mNumVertices);
}
void NiPSysData::read(NIFStream* nif)
{
NiParticlesData::read(nif);
bool hasData = nif->getBethVersion() < NIFFile::BethVersion::BETHVER_FO3;
if (hasData)
{
mParticles.resize(mNumVertices);
for (NiParticleInfo& info : mParticles)
info.read(nif);
}
if (nif->getBethVersion() >= NIFFile::BethVersion::BETHVER_F76)
nif->skip(12); // Unknown
if (nif->getVersion() >= NIFStream::generateVersion(20, 0, 0, 2) && nif->get<bool>() && hasData)
nif->readVector(mRotationSpeeds, mNumVertices);
if (nif->getVersion() != NIFStream::generateVersion(20, 2, 0, 7) || nif->getBethVersion() == 0)
{
nif->read(mNumAddedParticles);
nif->read(mAddedParticlesBase);
}
}
void NiPSysEmitterCtlrData::read(NIFStream* nif)
{
mFloatKeyList = std::make_shared<FloatKeyMap>();
mVisKeyList = std::make_shared<BoolKeyMap>();
uint32_t numVisKeys;
nif->read(numVisKeys);
for (size_t i = 0; i < numVisKeys; i++)
mVisKeyList->mKeys[nif->get<float>()].mValue = nif->get<uint8_t>() != 0;
}
}

45
components/nif/particle.hpp
View File

@ -2,6 +2,7 @@
#define OPENMW_COMPONENTS_NIF_PARTICLE_HPP
#include "base.hpp"
#include "data.hpp"
namespace Nif
{
@ -86,5 +87,49 @@ namespace Nif
void read(NIFStream* nif) override;
};
struct NiParticlesData : NiGeometryData
{
uint16_t mNumParticles{ 0 };
uint16_t mActiveCount;
std::vector<float> mRadii;
std::vector<float> mSizes;
std::vector<osg::Quat> mRotations;
std::vector<float> mRotationAngles;
std::vector<osg::Vec3f> mRotationAxes;
bool mHasTextureIndices{ false };
std::vector<osg::Vec4f> mSubtextureOffsets;
float mAspectRatio{ 1.f };
uint16_t mAspectFlags{ 0 };
float mAspectRatio2;
float mAspectSpeed, mAspectSpeed2;
void read(NIFStream* nif) override;
};
struct NiRotatingParticlesData : NiParticlesData
{
void read(NIFStream* nif) override;
};
struct NiPSysData : NiParticlesData
{
std::vector<NiParticleInfo> mParticles;
std::vector<float> mRotationSpeeds;
uint16_t mNumAddedParticles;
uint16_t mAddedParticlesBase;
void read(NIFStream* nif) override;
};
struct NiPSysEmitterCtlrData : Record
{
FloatKeyMapPtr mFloatKeyList;
BoolKeyMapPtr mVisKeyList;
void read(NIFStream* nif) override;
};
}
#endif

2
components/nif/record.hpp
View File

@ -169,6 +169,8 @@ namespace Nif
RC_NiPlanarCollider,
RC_NiPoint3Interpolator,
RC_NiPosData,
RC_NiPSysEmitterCtlrData,
RC_NiPSysData,
RC_NiRollController,
RC_NiSequence,
RC_NiSequenceStreamHelper,