78 lines
1.7 KiB
C++
78 lines
1.7 KiB
C++
#ifndef NXS_PATCH_H
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#define NXS_PATCH_H
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#include <vcg/space/point3.h>
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#include <iostream>
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namespace nxs {
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enum Signature {
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HAS_FACES = 0x00000001,
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HAS_STRIP = 0x00000002,
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HAS_COLORS = 0x00000010,
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HAS_NORMALS_SHORT = 0x00000100,
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HAS_NORMALS_FLOAT = 0x00000200,
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HAS_TEXTURES_SHORT = 0x00001000,
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HAS_TEXTURES_FLOAT = 0x00002000,
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HAS_DATA8 = 0x00010000,
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HAS_DATA16 = 0x00020000,
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HAS_DATA32 = 0x00040000,
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HAS_DATA64 = 0x00080000 };
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struct Chunk {
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unsigned char p[4096];
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};
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class Patch {
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public:
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Patch(Signature signature, Chunk *s,
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unsigned short nv, unsigned short nf);
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void Init(Signature signature, unsigned short nv, unsigned short nf);
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inline vcg::Point3f *VertBegin();
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inline unsigned short *FaceBegin();
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inline vcg::Point3f &Vert(unsigned short v);
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inline unsigned short *Face(unsigned short f);
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static unsigned int ChunkSize(Signature signature,
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unsigned short nvert,
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unsigned short nface);
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static unsigned int ByteSize(Signature signature,
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unsigned short nvert,
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unsigned short nface);
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Chunk *start;
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unsigned short nv;
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unsigned short nf;
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float *vstart;
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unsigned short cstart;
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unsigned short nstart;
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unsigned short tstart;
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unsigned short dstart;
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};
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inline vcg::Point3f *Patch::VertBegin() {
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return (vcg::Point3f *)vstart;
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}
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inline unsigned short *Patch::FaceBegin() {
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return (unsigned short *)start;
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}
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inline vcg::Point3f &Patch::Vert(unsigned short v) {
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return VertBegin()[v];
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}
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inline unsigned short *Patch::Face(unsigned short f) {
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return FaceBegin() + f * 3;
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}
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} //namespace
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#endif
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