95 lines
3.5 KiB
C++
95 lines
3.5 KiB
C++
/* Copyright (C) 1996-1997 Id Software, Inc.
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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 <common/qvec.hh>
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#include <atomic>
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#include <memory>
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struct mface_t;
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struct mbsp_t;
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namespace settings
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{
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class worldspawn_keys;
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}
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struct lightsurf_t;
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struct bspx_decoupled_lm_perface;
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class faceextents_t;
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class light_t;
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struct facesup_t;
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#if 0
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extern std::atomic<uint32_t> total_light_rays, total_light_ray_hits, total_samplepoints;
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extern std::atomic<uint32_t> total_bounce_rays, total_bounce_ray_hits;
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extern std::atomic<uint32_t> total_surflight_rays, total_surflight_ray_hits; // mxd
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#endif
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extern std::atomic<uint32_t> fully_transparent_lightmaps;
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void PrintFaceInfo(const mface_t *face, const mbsp_t *bsp);
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// FIXME: remove light param. add normal param and dir params.
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double GetLightValue(const settings::worldspawn_keys &cfg, const light_t *entity, double dist);
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void SetupDirt(settings::worldspawn_keys &cfg);
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std::unique_ptr<lightsurf_t> CreateLightmapSurface(const mbsp_t *bsp, const mface_t *face, const facesup_t *facesup,
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const bspx_decoupled_lm_perface *facesup_decoupled, const settings::worldspawn_keys &cfg);
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bool Face_IsLightmapped(const mbsp_t *bsp, const mface_t *face);
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bool Face_IsEmissive(const mbsp_t *bsp, const mface_t *face);
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void DirectLightFace(const mbsp_t *bsp, lightsurf_t &lightsurf, const settings::worldspawn_keys &cfg);
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void IndirectLightFace(const mbsp_t *bsp, lightsurf_t &lightsurf, const settings::worldspawn_keys &cfg, size_t bounce_depth);
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void PostProcessLightFace(const mbsp_t *bsp, lightsurf_t &lightsurf, const settings::worldspawn_keys &cfg);
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void FinishLightmapSurface(const mbsp_t *bsp, lightsurf_t *lightsurf);
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void SaveLightmapSurface(const mbsp_t *bsp, mface_t *face, facesup_t *facesup,
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bspx_decoupled_lm_perface *facesup_decoupled, lightsurf_t *lightsurf, const faceextents_t &extents,
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const faceextents_t &output_extents);
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struct lightgrid_sample_t
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{
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bool used = false;
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int style = 0;
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qvec3f color{};
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qvec3b round_to_int() const;
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float brightness() const;
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/**
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* - if !used, style and color are ignored for equality
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* - if a color component is nan, nan is considered equal to nan for the purposes of this comparison
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*/
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bool operator==(const lightgrid_sample_t &other) const;
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bool operator!=(const lightgrid_sample_t &other) const; //gcc9 workaround
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};
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struct lightgrid_samples_t
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{
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std::array<lightgrid_sample_t, 4> samples_by_style;
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lightgrid_samples_t &operator+=(const lightgrid_samples_t &other) noexcept;
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lightgrid_samples_t &operator/=(float scale) noexcept;
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void add(const qvec3f &color, int style);
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int used_styles() const;
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bool operator==(const lightgrid_samples_t &other) const;
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};
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lightgrid_samples_t CalcLightgridAtPoint(const mbsp_t *bsp, const qvec3f &world_point);
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void ResetLtFace();
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