128 lines
4.2 KiB
C++
128 lines
4.2 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.
|
|
*/
|
|
|
|
#ifndef __LIGHT_TRACE_H__
|
|
#define __LIGHT_TRACE_H__
|
|
|
|
#include <light/imglib.hh> //mxd
|
|
|
|
#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 <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
|
|
};
|
|
|
|
const mleaf_t *Light_PointInLeaf( const mbsp_t *bsp, const vec3_t point );
|
|
int Light_PointContents( const mbsp_t *bsp, const vec3_t point );
|
|
uint32_t clamp_texcoord(vec_t in, uint32_t width);
|
|
color_rgba SampleTexture(const bsp2_dface_t *face, const mbsp_t *bsp, const vec3_t 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 vec3_t start, const vec3_t dirn, const modelinfo_t *self, const bsp2_dface_t **face_out);
|
|
hitresult_t TestLight(const vec3_t start, const vec3_t stop, const modelinfo_t *self);
|
|
#if 0
|
|
hittype_t DirtTrace(const vec3_t start, const vec3_t dirn, vec_t dist, const modelinfo_t *self, vec_t *hitdist_out, plane_t *hitplane_out, const bsp2_dface_t **face_out);
|
|
#endif
|
|
|
|
class modelinfo_t;
|
|
|
|
class raystream_common_t {
|
|
public:
|
|
virtual ~raystream_common_t() = default;
|
|
virtual void pushRay(int i, const vec_t *origin, const vec3_t dir, float dist, const vec_t *color = nullptr, const vec_t *normalcontrib = nullptr) = 0;
|
|
virtual size_t numPushedRays() = 0;
|
|
virtual void getPushedRayDir(size_t j, vec3_t out) = 0;
|
|
virtual int getPushedRayPointIndex(size_t j) = 0;
|
|
virtual void getPushedRayColor(size_t j, vec3_t out) = 0;
|
|
virtual void getPushedRayNormalContrib(size_t j, vec3_t out) = 0;
|
|
virtual int getPushedRayDynamicStyle(size_t j) = 0;
|
|
virtual void clearPushedRays() = 0;
|
|
|
|
public:
|
|
void pushRay(int i, const qvec3f &origin, const qvec3f &dir, float dist) {
|
|
vec3_t originTemp, dirTemp;
|
|
glm_to_vec3_t(origin, originTemp);
|
|
glm_to_vec3_t(dir, dirTemp);
|
|
this->pushRay(i, originTemp, dirTemp, dist);
|
|
}
|
|
|
|
qvec3f getPushedRayDir(size_t j) {
|
|
vec3_t temp;
|
|
this->getPushedRayDir(j, temp);
|
|
return vec3_t_to_glm(temp);
|
|
}
|
|
};
|
|
|
|
class raystream_intersection_t : public virtual raystream_common_t {
|
|
public:
|
|
virtual void tracePushedRaysIntersection(const modelinfo_t *self) = 0;
|
|
virtual float getPushedRayHitDist(size_t j) = 0;
|
|
virtual hittype_t getPushedRayHitType(size_t j) = 0;
|
|
virtual const bsp2_dface_t *getPushedRayHitFace(size_t j) = 0;
|
|
|
|
virtual ~raystream_intersection_t() = default;
|
|
};
|
|
|
|
class raystream_occlusion_t : public virtual raystream_common_t {
|
|
public:
|
|
virtual void tracePushedRaysOcclusion(const modelinfo_t *self) = 0;
|
|
virtual bool getPushedRayOccluded(size_t j) = 0;
|
|
|
|
virtual ~raystream_occlusion_t() = default;
|
|
};
|
|
|
|
raystream_intersection_t *MakeIntersectionRayStream(int maxrays);
|
|
raystream_occlusion_t *MakeOcclusionRayStream(int maxrays);
|
|
|
|
void MakeTnodes(const mbsp_t *bsp);
|
|
|
|
#endif /* __LIGHT_TRACE_H__ */
|