--- ray/src/gen/mkillum.h 2007/09/18 19:51:07 2.10 +++ ray/src/gen/mkillum.h 2009/06/12 17:37:37 2.17 @@ -1,4 +1,4 @@ -/* RCSid: $Id: mkillum.h,v 2.10 2007/09/18 19:51:07 greg Exp $ */ +/* RCSid: $Id: mkillum.h,v 2.17 2009/06/12 17:37:37 greg Exp $ */ /* * Common definitions for mkillum */ @@ -7,6 +7,8 @@ #include "ray.h" #include "otypes.h" +#include "bsdf.h" +#include "random.h" #ifdef __cplusplus extern "C" { @@ -17,31 +19,10 @@ extern "C" { #define IL_COLAVG 0x4 /* use average color */ #define IL_DATCLB 0x8 /* OK to clobber data file */ - /* up directions */ -typedef enum { - UDzneg=-3, - UDyneg=-2, - UDxneg=-1, - UDunknown=0, - UDxpos=1, - UDypos=2, - UDzpos=3 -} UpDir; - -struct BSDF_data { - double om_scale; /* maximum solid angle (sr/256) */ - int ninc; /* number of incoming directions */ - int32 *inc_dir; /* incoming direction codes */ - BYTE *inc_rad; /* incoming radians to neighbor */ - int nout; /* number of outgoing directions */ - int32 *out_dir; /* outgoing direction codes */ - BYTE *out_rad; /* outgoing radians to neighbor */ - float *bsdf; /* scattering distribution data */ -}; /* bidirectional scattering distrib. func. */ - struct illum_args { int flags; /* flags from list above */ UpDir udir; /* up direction */ + double thick; /* object thickness */ char matname[MAXSTR]; /* illum material name */ char datafile[MAXSTR]; /* distribution data file name */ int dfnum; /* data file number */ @@ -54,19 +35,9 @@ struct illum_args { COLOR col; /* computed average color */ }; /* illum options */ -#define getBSDF_incvec(v,b,i) decodedir(v, (b)->inc_dir[i]) -#define getBSDF_outvec(v,b,o) decodedir(v, (b)->out_dir[o]) -#define getBSDF_incrad(b,i) ((b)->om_scale*((b)->inc_rad[i] + .5)); -#define getBSDF_outrad(b,o) ((b)->om_scale*((b)->out_rad[o] + .5)); -#define BSDF_data(b,i,o) (b)->bsdf[(o)*(b)->ninc + (i)] +extern void redistribute(struct BSDF_data *b, int nalt, int nazi, + FVECT u, FVECT v, FVECT w, MAT4 xm); -extern struct BSDF_data *load_BSDF(char *fname); -extern void free_BSDF(struct BSDF_data *b); -extern void r_BSDF_incvec(FVECT v, struct BSDF_data *b, int i, - double rv, MAT4 xm); -extern void r_BSDF_outvec(FVECT v, struct BSDF_data *b, int o, - double rv, MAT4 xm); - extern void printobj(char *mod, OBJREC *obj); extern int average(struct illum_args *il, COLORV *da, int n); extern void flatout(struct illum_args *il, COLORV *da, int n, int m, @@ -74,10 +45,22 @@ extern void flatout(struct illum_args *il, COLORV *da, extern void illumout(struct illum_args *il, OBJREC *ob); extern void roundout(struct illum_args *il, COLORV *da, int n, int m); +extern void newdist(int siz); +extern int process_ray(RAY *r, int rv); +extern void raysamp(int ndx, FVECT org, FVECT dir); +extern void rayclean(void); + +extern void flatdir(FVECT dv, double alt, double azi); +extern int flatindex(FVECT dv, int nalt, int nazi); + extern int my_default(OBJREC *, struct illum_args *, char *); extern int my_face(OBJREC *, struct illum_args *, char *); extern int my_sphere(OBJREC *, struct illum_args *, char *); extern int my_ring(OBJREC *, struct illum_args *, char *); + +extern COLORV * distarr; /* distribution array */ +extern int distsiz; +extern COLORV * direct_discount; /* amount to take off direct */ extern char *progname;