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