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openmw-tes3mp/components/nif/data.hpp

379 lines
8.3 KiB
C++

/*
OpenMW - The completely unofficial reimplementation of Morrowind
Copyright (C) 2008-2010 Nicolay Korslund
Email: < korslund@gmail.com >
WWW: http://openmw.sourceforge.net/
This file (data.h) is part of the OpenMW package.
OpenMW is distributed as free software: you can redistribute it
and/or modify it under the terms of the GNU General Public License
version 3, as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
version 3 along with this program. If not, see
http://www.gnu.org/licenses/ .
*/
#ifndef OPENMW_COMPONENTS_NIF_DATA_HPP
#define OPENMW_COMPONENTS_NIF_DATA_HPP
#include "base.hpp"
namespace Nif
{
// Common ancestor for several data classes
class ShapeData : public Record
{
public:
std::vector<Ogre::Vector3> vertices, normals;
std::vector<Ogre::Vector4> colors;
std::vector< std::vector<Ogre::Vector2> > uvlist;
Ogre::Vector3 center;
float radius;
void read(NIFStream *nif)
{
int verts = nif->getUShort();
if(nif->getInt())
nif->getVector3s(vertices, verts);
if(nif->getInt())
nif->getVector3s(normals, verts);
center = nif->getVector3();
radius = nif->getFloat();
if(nif->getInt())
nif->getVector4s(colors, verts);
// Only the first 6 bits are used as a count. I think the rest are
// flags of some sort.
int uvs = nif->getUShort();
uvs &= 0x3f;
if(nif->getInt())
{
uvlist.resize(uvs);
for(int i = 0;i < uvs;i++)
nif->getVector2s(uvlist[i], verts);
}
}
};
class NiTriShapeData : public ShapeData
{
public:
// Triangles, three vertex indices per triangle
std::vector<short> triangles;
void read(NIFStream *nif)
{
ShapeData::read(nif);
/*int tris =*/ nif->getUShort();
// We have three times as many vertices as triangles, so this
// is always equal to tris*3.
int cnt = nif->getInt();
nif->getShorts(triangles, cnt);
// Read the match list, which lists the vertices that are equal to
// vertices. We don't actually need need this for anything, so
// just skip it.
int verts = nif->getUShort();
for(int i=0;i < verts;i++)
{
// Number of vertices matching vertex 'i'
int num = nif->getUShort();
nif->skip(num * sizeof(short));
}
}
};
class NiAutoNormalParticlesData : public ShapeData
{
public:
int numParticles;
float particleRadius;
int activeCount;
std::vector<float> sizes;
void read(NIFStream *nif)
{
ShapeData::read(nif);
// Should always match the number of vertices
numParticles = nif->getUShort();
particleRadius = nif->getFloat();
activeCount = nif->getUShort();
if(nif->getInt())
{
// Particle sizes
nif->getFloats(sizes, vertices.size());
}
}
};
class NiRotatingParticlesData : public NiAutoNormalParticlesData
{
public:
std::vector<Ogre::Quaternion> rotations;
void read(NIFStream *nif)
{
NiAutoNormalParticlesData::read(nif);
if(nif->getInt())
{
// Rotation quaternions.
nif->getQuaternions(rotations, vertices.size());
}
}
};
class NiPosData : public Record
{
public:
Vector3KeyMap mKeyList;
void read(NIFStream *nif)
{
mKeyList.read(nif);
}
};
class NiUVData : public Record
{
public:
FloatKeyMap mKeyList[4];
void read(NIFStream *nif)
{
for(int i = 0;i < 4;i++)
mKeyList[i].read(nif);
}
};
class NiFloatData : public Record
{
public:
FloatKeyMap mKeyList;
void read(NIFStream *nif)
{
mKeyList.read(nif);
}
};
class NiPixelData : public Record
{
public:
unsigned int rmask, gmask, bmask, amask;
int bpp, mips;
void read(NIFStream *nif)
{
nif->getInt(); // always 0 or 1
rmask = nif->getInt(); // usually 0xff
gmask = nif->getInt(); // usually 0xff00
bmask = nif->getInt(); // usually 0xff0000
amask = nif->getInt(); // usually 0xff000000 or zero
bpp = nif->getInt();
// Unknown
nif->skip(12);
mips = nif->getInt();
// Bytes per pixel, should be bpp * 8
/*int bytes =*/ nif->getInt();
for(int i=0; i<mips; i++)
{
// Image size and offset in the following data field
/*int x =*/ nif->getInt();
/*int y =*/ nif->getInt();
/*int offset =*/ nif->getInt();
}
// Skip the data
unsigned int dataSize = nif->getInt();
nif->skip(dataSize);
}
};
class NiColorData : public Record
{
public:
Vector4KeyMap mKeyMap;
void read(NIFStream *nif)
{
mKeyMap.read(nif);
}
};
class NiVisData : public Record
{
public:
struct VisData {
float time;
char isSet;
};
std::vector<VisData> mVis;
void read(NIFStream *nif)
{
int count = nif->getInt();
mVis.resize(count);
for(size_t i = 0;i < mVis.size();i++)
{
mVis[i].time = nif->getFloat();
mVis[i].isSet = nif->getChar();
}
}
};
class NiSkinInstance : public Record
{
public:
NiSkinDataPtr data;
NodePtr root;
NodeList bones;
void read(NIFStream *nif)
{
data.read(nif);
root.read(nif);
bones.read(nif);
}
void post(NIFFile *nif);
};
class NiSkinData : public Record
{
public:
struct BoneTrafo
{
Ogre::Matrix3 rotation; // Rotation offset from bone?
Ogre::Vector3 trans; // Translation
float scale; // Probably scale (always 1)
};
struct VertWeight
{
short vertex;
float weight;
};
struct BoneInfo
{
BoneTrafo trafo;
Ogre::Vector4 unknown;
std::vector<VertWeight> weights;
};
BoneTrafo trafo;
std::vector<BoneInfo> bones;
void read(NIFStream *nif)
{
trafo.rotation = nif->getMatrix3();
trafo.trans = nif->getVector3();
trafo.scale = nif->getFloat();
int boneNum = nif->getInt();
nif->getInt(); // -1
bones.resize(boneNum);
for(int i=0;i<boneNum;i++)
{
BoneInfo &bi = bones[i];
bi.trafo.rotation = nif->getMatrix3();
bi.trafo.trans = nif->getVector3();
bi.trafo.scale = nif->getFloat();
bi.unknown = nif->getVector4();
// Number of vertex weights
bi.weights.resize(nif->getUShort());
for(size_t j = 0;j < bi.weights.size();j++)
{
bi.weights[j].vertex = nif->getUShort();
bi.weights[j].weight = nif->getFloat();
}
}
}
};
struct NiMorphData : public Record
{
struct MorphData {
FloatKeyMap mData;
std::vector<Ogre::Vector3> mVertices;
};
std::vector<MorphData> mMorphs;
void read(NIFStream *nif)
{
int morphCount = nif->getInt();
int vertCount = nif->getInt();
/*relative targets?*/nif->getChar();
mMorphs.resize(morphCount);
for(int i = 0;i < morphCount;i++)
{
mMorphs[i].mData.read(nif, true);
nif->getVector3s(mMorphs[i].mVertices, vertCount);
}
}
};
struct NiKeyframeData : public Record
{
QuaternionKeyMap mRotations;
FloatKeyMap mXRotations;
FloatKeyMap mYRotations;
FloatKeyMap mZRotations;
Vector3KeyMap mTranslations;
FloatKeyMap mScales;
void read(NIFStream *nif)
{
mRotations.read(nif);
if(mRotations.mInterpolationType == mRotations.sXYZInterpolation)
{
//Chomp unused float
nif->getFloat();
mXRotations.read(nif, true);
mYRotations.read(nif, true);
mZRotations.read(nif, true);
}
mTranslations.read(nif);
mScales.read(nif);
}
};
} // Namespace
#endif