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#include "octree.h" |
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#include "object.h" |
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#include "color.h" |
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#include "pmapparm.h" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#ifndef RNUMBER |
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#define RNUMBER unsigned long /* ray counter (>= sizeof pointer) */ |
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#define RNUMBER size_t /* ray counter (>= sizeof pointer) */ |
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#endif |
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#define MAXDIM 32 /* maximum number of dimensions */ |
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#define MAXDIM 32 /* maximum number of sampling dimensions */ |
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/* ray type flags */ |
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#define PRIMARY 01 /* original ray */ |
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#define SHADOW 02 /* ray to light source */ |
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#define RSHADOW 02 /* reflected ray to light source */ |
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#define REFLECTED 04 /* reflected ray */ |
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#define REFRACTED 010 /* refracted (bent) ray */ |
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#define TRANS 020 /* transmitted/transferred ray */ |
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#define AMBIENT 040 /* ray scattered for interreflection */ |
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#define SPECULAR 0100 /* ray scattered for specular */ |
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#define RAMBIENT 040 /* reflected diffuse interreflection */ |
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#define RSPECULAR 0100 /* reflected specular */ |
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#define TSHADOW 0200 /* transmitted shadow */ |
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#define TAMBIENT 0400 /* transmitted ambient */ |
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#define TSPECULAR 01000 /* transmitted specular */ |
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#define SHADOW (RSHADOW|TSHADOW) |
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#define AMBIENT (RAMBIENT|TAMBIENT) |
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#define SPECULAR (RSPECULAR|TSPECULAR) |
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|
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/* reflected ray types */ |
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#define RAYREFL (SHADOW|REFLECTED|AMBIENT|SPECULAR) |
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#define RAYREFL (RSHADOW|REFLECTED|RAMBIENT|RSPECULAR) |
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|
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/* Arrange so double's come first for optimal alignment */ |
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/* Pointers and long's come second for 64-bit mode */ |
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RREAL rod; /* -DOT(rdir, ron) */ |
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RREAL uv[2]; /* local coordinates */ |
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FVECT pert; /* surface normal perturbation */ |
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RREAL rt; /* returned effective ray length */ |
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RREAL rmt; /* returned mirrored ray length */ |
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RREAL rxt; /* returned unmirrored ray length */ |
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const struct ray *parent; /* ray this originated from */ |
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OBJECT *clipset; /* set of objects currently clipped */ |
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OBJECT *newcset; /* next clipset, used for transmission */ |
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FULLXF *rox; /* object transformation */ |
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int *slights; /* list of lights to test for scattering */ |
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RNUMBER rno; /* unique ray number */ |
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int rlvl; /* number of reflections for this ray */ |
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OBJECT robj; /* intersected object number */ |
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int rsrc; /* source we're aiming for */ |
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float rweight; /* cumulative weight (for termination) */ |
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COLOR rcoef; /* contribution coefficient w.r.t. parent */ |
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COLOR pcol; /* pattern color */ |
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COLOR rcol; /* returned radiance value */ |
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float gecc; /* scattering eccentricity coefficient */ |
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SCOLOR rcoef; /* contribution coefficient w.r.t. parent */ |
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SCOLOR pcol; /* pattern color */ |
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SCOLOR mcol; /* mirrored color contribution */ |
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SCOLOR rcol; /* returned radiance value */ |
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COLOR cext; /* medium extinction coefficient */ |
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COLOR albedo; /* medium scattering albedo */ |
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float gecc; /* scattering eccentricity coefficient */ |
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OBJECT robj; /* intersected object number */ |
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short rflips; /* surface orientation has been reversed */ |
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short rlvl; /* number of reflections for this ray */ |
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short rtype; /* ray type */ |
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short crtype; /* cumulative ray type */ |
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} RAY; |
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#define rayvalue(r) (*(r)->revf)(r) |
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extern char VersionID[]; /* Radiance version ID string */ |
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#define thrudir(r,v) ((r)->rod > 0 ^ DOT((r)->ron,v) > 0) |
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|
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#define raydistance(r) (pbright((r)->mcol) > 0.5*pbright((r)->rcol) ? \ |
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(r)->rmt : (r)->rxt) |
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|
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#define rayreorient(r) if ((r)->rflips & 1) flipsurface(r); else |
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|
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extern char VersionID[]; /* Radiance version ID string */ |
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extern char RFeatureList[]; /* newline-separated feature list */ |
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|
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extern CUBE thescene; /* our scene */ |
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extern OBJECT nsceneobjs; /* number of objects in our scene */ |
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extern unsigned long raynum; /* next ray ID */ |
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extern unsigned long nrays; /* total rays traced so far */ |
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extern RNUMBER raynum; /* next ray ID */ |
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extern RNUMBER nrays; /* total rays traced so far */ |
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extern OBJREC Lamb; /* a Lambertian surface */ |
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extern OBJREC Aftplane; /* aft clipping object */ |
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extern void (*trace)(); /* global trace reporting callback */ |
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extern void (*trace)(RAY*); /* global trace reporting callback */ |
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extern int dimlist[]; /* dimension list for distribution */ |
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extern int ndims; /* number of dimensions so far */ |
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extern int samplendx; /* index for this sample */ |
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|
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extern int ray_savesiz; /* size of parameter save buffer */ |
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extern int do_irrad; /* compute irradiance? */ |
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extern int rand_samp; /* pure Monte Carlo sampling? */ |
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int ambincl; |
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short amblndx[AMBLLEN+1]; |
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char amblval[AMBLLEN*AMBWORD]; |
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|
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/* PMAP: photon mapping parameters */ |
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PhotonMapParams pmapParams [NUM_PMAP_TYPES]; |
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} RAYPARAMS; |
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#define rpambmod(p,i) ( (i)>=AMBLLEN||(p)->amblndx[i]<0 ? \ |
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extern void openheader(void); |
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extern void dupheader(void); |
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/* defined in persist.c */ |
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extern void persistfile(char *pfn); |
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extern void persistfile(char *pfn); |
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extern void pfdetach(void); |
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extern void pfclean(void); |
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extern void pflock(int lf); |
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extern int ray_fifo_in(RAY *r); |
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extern int ray_fifo_flush(void); |
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/* defined in raytrace.c */ |
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extern int rayorigin(RAY *r, int rt, const RAY *ro, const COLOR rc); |
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extern int rayorigin(RAY *r, int rt, const RAY *ro, const SCOLOR rc); |
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extern void rayclear(RAY *r); |
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extern void raytrace(RAY *r); |
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extern int rayreject(OBJREC *o, RAY *r, double t, double rod); |
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extern void rayhit(OBJECT *oset, RAY *r); |
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extern void raycont(RAY *r); |
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extern void raytrans(RAY *r); |
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extern int raytirrad(OBJREC *m, RAY *r); |
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extern int rayshade(RAY *r, int mod); |
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extern void rayparticipate(RAY *r); |
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extern void raytexture(RAY *r, OBJECT mod); |
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extern int raymixture(RAY *r, OBJECT fore, OBJECT back, double coef); |
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extern void raycontrib(double rc[3], const RAY *r, int flags); |
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extern void raycontrib(SCOLOR rc, const RAY *r, int flags); |
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extern double raydist(const RAY *r, int flags); |
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extern double raynormal(FVECT norm, RAY *r); |
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extern void newrayxf(RAY *r); |
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extern void flipsurface(RAY *r); |
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extern int localhit(RAY *r, CUBE *scene); |
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/* defined in renderopts.c */ |
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extern int feature_status(int ac, char *av[]); |
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extern int getrenderopt(int ac, char *av[]); |
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extern void print_rdefaults(void); |
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/* defined in srcdraw.c */ |
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extern void drawsources(COLOR *pic[], float *zbf[], |
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extern void init_drawsources(int rad); |
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extern void drawsources(COLORV *pic[], RGBPRIMP primp, float *zbf[], |
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int x0, int xsiz, int y0, int ysiz); |
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extern void init_drawsources(int rad); |
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/* defined in rt/initotypes.c */ |
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extern void initotypes(void); |
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extern void initotypes(void); |
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/* module main procedures */ |
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extern void rtrace(char *fname, int nproc); |
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< |
extern char *formstr(int f); |
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extern const char *formstr(int f); |
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extern void rview(void); |
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extern void rpict(int seq, char *pout, char *zout, char *prvr); |
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#ifdef __FAST_MATH__ |
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< |
#define checknorm(vn) normalize(vn) |
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> |
#define checknorm(vn) (void)normalize(vn) |
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#else |
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< |
#define checknorm(vn) 1.0 |
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#define checknorm(vn) |
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#endif |
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#ifdef __cplusplus |