ericw-tools/include/light/trace.hh

74 lines
2.2 KiB
C++

/* Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
See file, 'COPYING', for details.
*/
#pragma once
#include <common/cmdlib.hh>
#include <common/mathlib.hh>
#include <common/bspfile.hh>
#include <common/log.hh>
#include <common/threads.hh>
#include <common/polylib.hh>
#include <common/imglib.hh>
#include <vector>
#include <map>
#include <string>
#include <cassert>
#include <limits>
#include <sstream>
#include <utility> // for std::pair
enum class hittype_t : uint8_t
{
NONE = 0,
SOLID = 1,
SKY = 2
};
uint32_t clamp_texcoord(vec_t in, uint32_t width);
qvec4b SampleTexture(const mface_t *face, const mtexinfo_t *tex, const img::texture *texture, const mbsp_t *bsp,
const qvec3d &point); // mxd. Palette index -> RGBA
class modelinfo_t;
using style_t = int;
struct hitresult_t
{
bool blocked;
/**
* non-zero means light passed through a shadow-casting bmodel with the given style.
* only valid if blocked == false.
*/
style_t passedSwitchableShadowStyle;
};
/**
* Convenience functions TestLight and TestSky will test against all shadow
* casting bmodels and self-shadow the model 'self' if self != NULL.
*/
hitresult_t TestSky(const qvec3d &start, const qvec3d &dirn, const modelinfo_t *self, const mface_t **face_out);
hitresult_t TestLight(const qvec3d &start, const qvec3d &stop, const modelinfo_t *self);
const mleaf_t *Light_PointInLeaf(const mbsp_t *bsp, const qvec3d &point);
int Light_PointContents(const mbsp_t *bsp, const qvec3d &point);
#include "trace_embree.hh"