78 lines
2.8 KiB
C++
78 lines
2.8 KiB
C++
/* Copyright (C) 1996-1997 Id Software, Inc.
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Copyright (C) 2017 Eric Wasylishen
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU 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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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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See file, 'COPYING', for details.
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*/
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#pragma once
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#include <set>
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#include <map>
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#include <vector>
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#include <common/qvec.hh>
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struct mbsp_t;
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struct mface_t;
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struct neighbour_t
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{
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const mface_t *face;
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qvec3f p0, p1;
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};
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void CalculateVertexNormals(const mbsp_t *bsp);
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const face_normal_t &GetSurfaceVertexNormal(const mbsp_t *bsp, const mface_t *f, const int vertindex);
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bool FacesSmoothed(const mface_t *f1, const mface_t *f2);
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const std::set<const mface_t *> &GetSmoothFaces(const mface_t *face);
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const std::vector<const mface_t *> &GetPlaneFaces(const mface_t *face);
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const mface_t *Face_EdgeIndexSmoothed(const mbsp_t *bsp, const mface_t *f, const int edgeindex);
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int Q2_FacePhongValue(const mbsp_t *bsp, const mface_t *face);
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/// a directed edge can be used by more than one face, e.g. two cube touching just along an edge
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using edgeToFaceMap_t = std::map<std::pair<int, int>, std::vector<const mface_t *>>;
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std::vector<neighbour_t> NeighbouringFaces_new(const mbsp_t *bsp, const mface_t *face);
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std::vector<const mface_t *> FacesUsingVert(int vertnum);
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const edgeToFaceMap_t &GetEdgeToFaceMap();
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class face_cache_t
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{
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private:
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std::vector<qvec3f> m_points;
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std::vector<face_normal_t> m_normals;
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qvec4f m_plane;
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std::vector<qvec4f> m_edgePlanes;
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std::vector<qvec3f> m_pointsShrunkBy1Unit;
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std::vector<neighbour_t> m_neighbours;
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public:
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face_cache_t();
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face_cache_t(const mbsp_t *bsp, const mface_t *face, const std::vector<face_normal_t> &normals);
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const std::vector<qvec3f> &points() const { return m_points; }
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const std::vector<face_normal_t> &normals() const { return m_normals; }
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const qvec4f &plane() const { return m_plane; }
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const qvec3f normal() const { return m_plane; }
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const std::vector<qvec4f> &edgePlanes() const { return m_edgePlanes; }
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const std::vector<qvec3f> &pointsShrunkBy1Unit() const { return m_pointsShrunkBy1Unit; }
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const std::vector<neighbour_t> &neighbours() const { return m_neighbours; }
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};
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const face_cache_t &FaceCacheForFNum(int fnum);
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void ResetPhong();
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