123 lines
3.9 KiB
C++
123 lines
3.9 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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#ifndef __LIGHT_TRACE_H__
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#define __LIGHT_TRACE_H__
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#include <light/imglib.hh> //mxd
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#include <common/cmdlib.hh>
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#include <common/mathlib.hh>
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#include <common/bspfile.hh>
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#include <common/log.hh>
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#include <common/threads.hh>
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#include <common/polylib.hh>
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#include <vector>
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#include <map>
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#include <string>
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#include <cassert>
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#include <limits>
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#include <sstream>
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#include <utility> // for std::pair
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enum class hittype_t : uint8_t {
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NONE = 0,
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SOLID = 1,
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SKY = 2
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};
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uint32_t clamp_texcoord(vec_t in, uint32_t width);
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color_rgba SampleTexture(const bsp2_dface_t *face, const mbsp_t *bsp, const vec3_t point); //mxd. Palette index -> RGBA
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class modelinfo_t;
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using style_t = int;
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struct hitresult_t {
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bool blocked;
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/**
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* non-zero means light passed through a shadow-casting bmodel with the given style.
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* only valid if blocked == false.
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*/
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style_t passedSwitchableShadowStyle;
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};
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/**
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* Convenience functions TestLight and TestSky will test against all shadow
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* casting bmodels and self-shadow the model 'self' if self != NULL.
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*/
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hitresult_t TestSky(const vec3_t start, const vec3_t dirn, const modelinfo_t *self, const bsp2_dface_t **face_out);
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hitresult_t TestLight(const vec3_t start, const vec3_t stop, const modelinfo_t *self);
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class modelinfo_t;
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class raystream_common_t {
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public:
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virtual ~raystream_common_t() = default;
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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;
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virtual size_t numPushedRays() = 0;
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virtual void getPushedRayDir(size_t j, vec3_t out) = 0;
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virtual int getPushedRayPointIndex(size_t j) = 0;
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virtual void getPushedRayColor(size_t j, vec3_t out) = 0;
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virtual void getPushedRayNormalContrib(size_t j, vec3_t out) = 0;
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virtual int getPushedRayDynamicStyle(size_t j) = 0;
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virtual void clearPushedRays() = 0;
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public:
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void pushRay(int i, const qvec3f &origin, const qvec3f &dir, float dist) {
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vec3_t originTemp, dirTemp;
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glm_to_vec3_t(origin, originTemp);
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glm_to_vec3_t(dir, dirTemp);
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this->pushRay(i, originTemp, dirTemp, dist);
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}
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qvec3f getPushedRayDir(size_t j) {
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vec3_t temp;
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this->getPushedRayDir(j, temp);
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return vec3_t_to_glm(temp);
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}
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};
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class raystream_intersection_t : public virtual raystream_common_t {
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public:
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virtual void tracePushedRaysIntersection(const modelinfo_t *self) = 0;
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virtual float getPushedRayHitDist(size_t j) = 0;
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virtual hittype_t getPushedRayHitType(size_t j) = 0;
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virtual const bsp2_dface_t *getPushedRayHitFace(size_t j) = 0;
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virtual ~raystream_intersection_t() = default;
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};
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class raystream_occlusion_t : public virtual raystream_common_t {
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public:
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virtual void tracePushedRaysOcclusion(const modelinfo_t *self) = 0;
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virtual bool getPushedRayOccluded(size_t j) = 0;
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virtual ~raystream_occlusion_t() = default;
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};
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raystream_intersection_t *MakeIntersectionRayStream(int maxrays);
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raystream_occlusion_t *MakeOcclusionRayStream(int maxrays);
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void MakeTnodes(const mbsp_t *bsp);
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#endif /* __LIGHT_TRACE_H__ */
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