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107 lines
2.9 KiB
107 lines
2.9 KiB
/**
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** File : aglmesh.h
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** Description: Augmented Mesh definition
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** mesh augmented with adjacency data.
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**/
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#ifndef _aglmesh_h_
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#define _aglmesh_h_
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#include "global.h"
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#include "sglmesh.h"
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#include "vsplit.h"
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#include "hash.h"
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class CAugGlMesh : public CSimpGlMesh
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{
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protected:
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public:
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WORD* m_facemap; // Array remapping the face numbers
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WORD (*m_fnei)[3]; // face neightbour information table
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void HashAdd(WORD va, WORD vb, WORD f);
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WORD HashFind(WORD va, WORD vb);
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void apply_vsplit(Vsplit& vspl);
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void undo_vsplit(const Vsplit& vspl);
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/*
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* get index of vertex v in face f
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*/
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inline WORD get_jvf(WORD v, WORD f) const;
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/*
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* gather functions
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*/
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void gather_vf_jw (WORD v, WORD f, int& j, WORD& w) const;
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void gather_vf_j0j2pw (WORD v, WORD f, int& j0, int& j2, WORD*& w);
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void gather_vf_j2w (WORD v, WORD f, int& j2, WORD& w) const;
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void gather_vf_j1w (WORD v, WORD f, int& j1, WORD& w) const;
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void gather_vf_jpw (WORD v, WORD f, int& j, WORD*& pw);
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WORD MatidOfFace (WORD f);
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inline WORD face_prediction (WORD fa, WORD fb, WORD ii);
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inline void WedgeListDelete (WORD w);
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inline void add_zero (WORD a, const WEDGEATTRD& ad);
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inline void add (WORD a, const GLwedgeAttrib& a1, const WEDGEATTRD& ad);
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void sub_reflect (WORD a, const GLwedgeAttrib& abase,
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const WEDGEATTRD& ad);
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void sub_noreflect (WORD a, WORD abase, const WEDGEATTRD& ad);
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public:
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CAugGlMesh();
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virtual ~CAugGlMesh();
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void ComputeAdjacency(void);
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};
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/*************************************************************************
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Inlines
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*************************************************************************/
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inline WORD CAugGlMesh::get_jvf (WORD v, WORD f) const
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{
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WORD *w = m_farray[f].w;
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if (FindVertexIndex(w[0]) == v)
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return 0;
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else if (FindVertexIndex(w[1]) == v)
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return 1;
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else if (FindVertexIndex(w[2]) == v)
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return 2;
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else
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throw CVertexNotFound();
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return 0; // Never! To make compiler happy
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}
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inline WORD CAugGlMesh::face_prediction(WORD fa, WORD fb, WORD ii)
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{
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return (ii == 0 ? (fb != UNDEF ? fb : fa) : (fa != UNDEF ? fa : fb));
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}
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inline void CAugGlMesh::WedgeListDelete(WORD w)
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{
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for (WORD p = w; m_wedgelist[p] != w;
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p = m_wedgelist[p]);
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m_wedgelist[p] = m_wedgelist[m_wedgelist[p]];
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}
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inline void CAugGlMesh::add_zero(WORD a, const WEDGEATTRD& ad)
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{
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m_narray[a].x = ad[0];
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m_narray[a].y = ad[1];
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m_narray[a].z = ad[2];
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m_tarray[a].s = ad[3];
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m_tarray[a].t = ad[4];
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}
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inline void CAugGlMesh::add(WORD a, const GLwedgeAttrib& a1,
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const WEDGEATTRD& ad)
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{
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m_narray[a].x = a1.n.x + ad[0];
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m_narray[a].y = a1.n.y + ad[1];
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m_narray[a].z = a1.n.z + ad[2];
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m_tarray[a].s = a1.t.s + ad[3];
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m_tarray[a].t = a1.t.t + ad[4];
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}
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#endif //_aglmesh_h_
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