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/* RCSid $Id: rcontrib.h,v 2.14 2016/03/21 19:06:08 greg Exp $ */ | 
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/* | 
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 * Header file for rcontrib modules | 
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 */ | 
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#include "platform.h" | 
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#include "paths.h" | 
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#include "rtprocess.h" | 
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#include "ray.h" | 
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#include "func.h" | 
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#include "lookup.h" | 
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extern int              gargc;          /* global argc */ | 
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extern char             **gargv;        /* global argv */ | 
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extern char             *octname;       /* global octree name */ | 
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extern int              nproc;          /* number of processes requested */ | 
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extern int              nchild;         /* number of children (-1 in child) */ | 
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extern int              inpfmt;         /* input format */ | 
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extern int              outfmt;         /* output format */ | 
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extern int              header;         /* output header? */ | 
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extern int              force_open;     /* truncate existing output? */ | 
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extern int              recover;        /* recover previous output? */ | 
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extern int              accumulate;     /* input rays per output record */ | 
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extern int              contrib;        /* computing contributions? */ | 
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extern int              xres;           /* horizontal (scan) size */ | 
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extern int              yres;           /* vertical resolution */ | 
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extern int              using_stdout;   /* are we using stdout? */ | 
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extern int              imm_irrad;      /* compute immediate irradiance? */ | 
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extern int              lim_dist;       /* limit distance? */ | 
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extern int              account;        /* current accumulation count */ | 
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extern RNUMBER          raysleft;       /* number of rays left to trace */ | 
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extern long             waitflush;      /* how long until next flush */ | 
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extern RNUMBER          lastray;        /* last ray number sent */ | 
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extern RNUMBER          lastdone;       /* last ray processed */ | 
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typedef double          DCOLOR[3];      /* double-precision color */ | 
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/* | 
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 * The MODCONT structure is used to accumulate ray contributions | 
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 * for a particular modifier, which may be subdivided into bins | 
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 * if binv evaluates > 0.  If outspec contains a %s in it, this will | 
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 * be replaced with the modifier name.  If outspec contains a %d in it, | 
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 * this will be used to create one output file per bin, otherwise all bins | 
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 * will be written to the same file, in order.  If the global outfmt | 
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 * is 'c', then a 4-byte RGBE pixel will be output for each bin value | 
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 * and the file will conform to a RADIANCE image if xres & yres are set. | 
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 */ | 
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typedef struct { | 
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        const char      *outspec;       /* output file specification */ | 
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        const char      *modname;       /* modifier name */ | 
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        const char      *params;        /* parameter list */ | 
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        EPNODE          *binv;          /* bin value expression */ | 
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        int             bin0;           /* starting bin offset */ | 
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        int             nbins;          /* number of contribution bins */ | 
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        DCOLOR          cbin[1];        /* contribution bins (extends struct) */ | 
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} MODCONT;                      /* modifier contribution */ | 
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extern LUTAB            modconttab;     /* modifier contribution table */ | 
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/* | 
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 * The STREAMOUT structure holds an open FILE pointer and a count of | 
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 * the number of RGB triplets per record, or 0 if unknown. | 
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 */ | 
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typedef struct { | 
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        FILE            *ofp;           /* output file pointer */ | 
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        int             outpipe;        /* output is to a pipe */ | 
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        int             reclen;         /* triplets/record */ | 
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        int             xr, yr;         /* output resolution for picture */ | 
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} STREAMOUT; | 
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extern LUTAB            ofiletab;       /* output stream table */ | 
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#ifndef MAXPROCESS | 
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#if defined(_WIN32) || defined(_WIN64) | 
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#define MAXPROCESS      1 | 
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#else | 
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#define MAXPROCESS      128 | 
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#endif | 
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#endif | 
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#ifndef MAXMODLIST | 
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#define MAXMODLIST      10000           /* maximum modifiers we'll track */ | 
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#endif | 
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extern const char       *modname[MAXMODLIST];   /* ordered modifier name list */ | 
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extern int              nmods;                  /* number of modifiers */ | 
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extern char             RCCONTEXT[];            /* special evaluation context */ | 
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extern char             *formstr(int f);        /* return format identifier */ | 
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extern void             process_rcontrib(void); /* trace ray contributions */ | 
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extern STREAMOUT *      getostream(const char *ospec, const char *mname, | 
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                                                        int bn, int noopen); | 
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extern void             mod_output(MODCONT *mp); | 
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extern void             end_record(void); | 
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extern MODCONT          *addmodifier(char *modn, char *outf, | 
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                                        char *prms, char *binv, int bincnt); | 
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extern void             addmodfile(char *fname, char *outf, | 
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                                        char *prms, char *binv, int bincnt); | 
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extern void             reload_output(void); | 
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extern void             recover_output(void); | 
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extern int              getvec(FVECT vec); | 
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extern int              in_rchild(void); | 
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extern void             end_children(int immed); | 
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extern void             put_zero_record(int ndx); | 
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extern void             parental_loop(void);    /* controlling process */ | 
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extern void             feeder_loop(void);      /* feeder process */ | 
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extern void             rcontrib(void);         /* main calculation loop */ |