88 lines
3.2 KiB
C++
88 lines
3.2 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 <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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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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const bsp2_dleaf_t *Light_PointInLeaf( const bsp2_t *bsp, const vec3_t point );
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int Light_PointContents( const bsp2_t *bsp, const vec3_t point );
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void Face_MakeInwardFacingEdgePlanes(const bsp2_t *bsp, const bsp2_dface_t *face, plane_t *out);
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int SampleTexture(const bsp2_dface_t *face, const bsp2_t *bsp, const vec3_t point);
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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. Returns
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* true if sky or light is visible, respectively.
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*/
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qboolean TestSky(const vec3_t start, const vec3_t dirn, const dmodel_t *self);
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qboolean TestLight(const vec3_t start, const vec3_t stop, const dmodel_t *self);
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hittype_t DirtTrace(const vec3_t start, const vec3_t dirn, vec_t dist, const dmodel_t *self, vec_t *hitdist_out, plane_t *hitplane_out, const bsp2_dface_t **face_out);
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// used for CalcPoints
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bool IntersectSingleModel(const vec3_t start, const vec3_t dir, vec_t dist, const dmodel_t *self, vec_t *hitdist_out);
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enum class tracetype_t {
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NORMAL,
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TEST_SKY
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};
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class raystream_t {
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public:
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virtual void pushRay(int i, const vec_t *origin, const vec3_t dir, float dist, const dmodel_t *selfshadow, tracetype_t type, 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 tracePushedRaysOcclusion() = 0;
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virtual void tracePushedRaysIntersection() = 0;
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virtual bool getPushedRayOccluded(size_t j) = 0;
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virtual float getPushedRayDist(size_t j) = 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 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 void clearPushedRays() = 0;
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virtual ~raystream_t() {};
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};
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raystream_t *MakeRayStream(int maxrays);
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void MakeTnodes(const bsp2_t *bsp);
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#endif /* __LIGHT_TRACE_H__ */
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