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/* Copyright (c) 1991 Regents of the University of California */ |
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/* Copyright (c) 1995 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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* Make illum sources for optimizing rendering process |
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*/ |
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#include "standard.h" |
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#include "mkillum.h" |
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#include "object.h" |
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#include <signal.h> |
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|
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#include "otypes.h" |
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#include <ctype.h> |
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|
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/* default parameters */ |
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#define SAMPDENS 128 /* points per projected steradian */ |
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#define SAMPDENS 48 /* points per projected steradian */ |
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#define NSAMPS 32 /* samples per point */ |
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#define DFLMAT "illum_mat" /* material name */ |
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#define DFLDAT "illum" /* data file name */ |
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/* selection options */ |
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#define S_NONE 0 /* select none */ |
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#define S_ELEM 1 /* select specified element */ |
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#define S_ALL 3 /* select all */ |
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|
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/* rtrace command and defaults */ |
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char *rtargv[64] = { "rtrace", "-dj", ".25", "-dr", "3", "-ab", "2", |
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"-ad", "256", "-as", "128", "-aa", ".15" }; |
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int rtargc = 13; |
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char *rtargv[64] = { "rtrace", "-dj", ".25", "-dr", "3", "-dv-", |
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"-ab", "2", "-ad", "256", "-as", "128", "-aa", ".15", }; |
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int rtargc = 14; |
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/* overriding rtrace options */ |
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char *myrtopts[] = { "-I-", "-i-", "-di+", "-ov", "-h-", "-fff", NULL }; |
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char *myrtopts[] = { "-I-", "-i-", "-ov", "-h-", "-fff", "-y", "0", NULL }; |
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|
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/* illum flags */ |
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#define IL_FLAT 0x1 /* flat surface */ |
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#define IL_LIGHT 0x2 /* light rather than illum */ |
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#define IL_COLDST 0x4 /* colored distribution */ |
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#define IL_COLAVG 0x8 /* compute average color */ |
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#define IL_DATCLB 0x10 /* OK to clobber data file */ |
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struct rtproc rt; /* our rtrace process */ |
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|
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struct illum_args { |
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int flags; /* flags from list above */ |
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char matname[MAXSTR]; /* illum material name */ |
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char datafile[MAXSTR]; /* distribution data file name */ |
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int dfnum; /* data file number */ |
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char altmatname[MAXSTR]; /* alternate material name */ |
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int nsamps; /* # of samples in each direction */ |
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int nalt, nazi; /* # of altitude and azimuth angles */ |
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FVECT orient; /* coordinate system orientation */ |
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} thisillum = { /* default values */ |
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0, |
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DFLMAT, |
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DFLMAT, |
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0, |
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VOIDID, |
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NSAMPS, |
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}; |
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struct illum_args thisillum = { /* our illum and default values */ |
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0, |
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DFLMAT, |
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DFLDAT, |
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0, |
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VOIDID, |
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SAMPDENS, |
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NSAMPS, |
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0., |
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}; |
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|
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int sampdens = SAMPDENS; /* sample point density */ |
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char matcheck[MAXSTR]; /* current material to include or exclude */ |
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int matselect = S_ALL; /* selection criterion */ |
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|
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int rt_pd[3]; /* rtrace pipe descriptors */ |
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float *rt_buf; /* rtrace i/o buffer */ |
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int rt_bsiz; /* maximum rays for rtrace buffer */ |
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int rt_nrays; /* current length of rtrace buffer */ |
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FUN ofun[NUMOTYPE] = INIT_OTYPE; /* object types */ |
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|
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int gargc; /* global argc */ |
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char **gargv; /* global argv */ |
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#define progname gargv[0] |
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|
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int doneheader = 0; /* printed header yet? */ |
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#define checkhead() if (!doneheader++) printhead(gargc,gargv) |
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|
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int warnings = 1; /* print warnings? */ |
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|
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extern char *fgetline(), *fgetword(), *sskip(), |
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*atos(), *iskip(), *fskip(); |
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*atos(), *iskip(), *fskip(), *strcpy(); |
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extern FILE *popen(); |
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|
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{ |
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extern char *getenv(), *getpath(); |
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char *rtpath; |
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FILE *fp; |
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register int i; |
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/* set global arguments */ |
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gargc = argc; gargv = argv; |
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gargv = argv; |
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/* set up rtrace command */ |
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if (argc < 2) |
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error(USER, "too few arguments"); |
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for (i = 1; i < argc-1; i++) |
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for (i = 1; i < argc; i++) { |
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if (argv[i][0] == '<' && argv[i][1] == '\0') |
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break; |
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rtargv[rtargc++] = argv[i]; |
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if (argv[i][0] == '-' && argv[i][1] == 'w') |
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switch (argv[i][2]) { |
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case '\0': |
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warnings = !warnings; |
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break; |
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case '+': |
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case 'T': case 't': |
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case 'Y': case 'y': |
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case '1': |
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warnings = 1; |
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break; |
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case '-': |
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case 'F': case 'f': |
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case 'N': case 'n': |
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case '0': |
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warnings = 0; |
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break; |
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} |
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} |
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gargc = i; |
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rtargc--; |
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for (i = 0; myrtopts[i] != NULL; i++) |
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rtargv[rtargc++] = myrtopts[i]; |
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rtargv[rtargc++] = argv[argc-1]; |
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rtargv[rtargc++] = argv[gargc-1]; |
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rtargv[rtargc] = NULL; |
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/* just asking for defaults? */ |
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if (!strcmp(argv[argc-1], "-defaults")) { |
108 |
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if (!strcmp(argv[gargc-1], "-defaults")) { |
109 |
> |
printopts(); fflush(stdout); |
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rtpath = getpath(rtargv[0], getenv("PATH"), X_OK); |
111 |
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if (rtpath == NULL) { |
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eputs(rtargv[0]); |
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perror(rtpath); |
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exit(1); |
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} |
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if (gargc < 2 || argv[gargc-1][0] == '-') |
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error(USER, "missing octree argument"); |
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/* else initialize and run our calculation */ |
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init(); |
124 |
< |
mkillum(stdin, "standard input"); |
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< |
exit(cleanup()); /* cleanup returns rtrace status */ |
124 |
> |
if (gargc+1 < argc) |
125 |
> |
for (i = gargc+1; i < argc; i++) { |
126 |
> |
if ((fp = fopen(argv[i], "r")) == NULL) { |
127 |
> |
sprintf(errmsg, |
128 |
> |
"cannot open scene file \"%s\"", argv[i]); |
129 |
> |
error(SYSTEM, errmsg); |
130 |
> |
} |
131 |
> |
filter(fp, argv[i]); |
132 |
> |
fclose(fp); |
133 |
> |
} |
134 |
> |
else |
135 |
> |
filter(stdin, "standard input"); |
136 |
> |
quit(0); |
137 |
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} |
138 |
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|
139 |
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|
140 |
+ |
quit(status) /* exit with status */ |
141 |
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int status; |
142 |
+ |
{ |
143 |
+ |
int rtstat; |
144 |
+ |
|
145 |
+ |
rtstat = close_process(rt.pd); |
146 |
+ |
if (status == 0) |
147 |
+ |
if (rtstat < 0) |
148 |
+ |
error(WARNING, |
149 |
+ |
"unknown return status from rtrace process"); |
150 |
+ |
else |
151 |
+ |
status = rtstat; |
152 |
+ |
exit(status); |
153 |
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} |
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|
155 |
+ |
|
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init() /* start rtrace and set up buffers */ |
157 |
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{ |
158 |
+ |
extern int o_face(), o_sphere(), o_ring(); |
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int maxbytes; |
160 |
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|
161 |
< |
maxbytes = open_process(rt_pd, rtargv); |
160 |
> |
/* set up object functions */ |
161 |
> |
ofun[OBJ_FACE].funp = o_face; |
162 |
> |
ofun[OBJ_SPHERE].funp = o_sphere; |
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> |
ofun[OBJ_RING].funp = o_ring; |
164 |
> |
/* set up signal handling */ |
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> |
signal(SIGPIPE, quit); |
166 |
> |
/* start rtrace process */ |
167 |
> |
errno = 0; |
168 |
> |
maxbytes = open_process(rt.pd, rtargv); |
169 |
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if (maxbytes == 0) { |
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eputs(rtargv[0]); |
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eputs(": command not found\n"); |
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} |
174 |
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if (maxbytes < 0) |
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error(SYSTEM, "cannot start rtrace process"); |
176 |
< |
rt_bsiz = maxbytes/(6*sizeof(float)); |
177 |
< |
rt_buf = (float *)malloc(rt_bsiz*(6*sizeof(float))); |
178 |
< |
if (rt_buf == NULL) |
176 |
> |
rt.bsiz = maxbytes/(6*sizeof(float)); |
177 |
> |
rt.buf = (float *)malloc(6*sizeof(float)*rt.bsiz--); |
178 |
> |
rt.dest = (float **)malloc(sizeof(float *)*rt.bsiz); |
179 |
> |
if (rt.buf == NULL || rt.dest == NULL) |
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error(SYSTEM, "out of memory in init"); |
181 |
< |
rt_bsiz--; /* allow for flush ray */ |
182 |
< |
rt_nrays = 0; |
181 |
> |
rt.nrays = 0; |
182 |
> |
/* set up urand */ |
183 |
> |
initurand(16384); |
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} |
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|
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|
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int |
138 |
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cleanup() /* close rtrace process and return status */ |
139 |
– |
{ |
140 |
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int status; |
141 |
– |
|
142 |
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free((char *)rt_buf); |
143 |
– |
rt_bsiz = 0; |
144 |
– |
status = close_process(rt_pd); |
145 |
– |
if (status < 0) |
146 |
– |
return(0); /* unknown status */ |
147 |
– |
return(status); |
148 |
– |
} |
149 |
– |
|
150 |
– |
|
187 |
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eputs(s) /* put string to stderr */ |
188 |
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register char *s; |
189 |
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{ |
199 |
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} |
200 |
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|
201 |
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|
202 |
< |
mkillum(infp, name) /* process stream */ |
202 |
> |
wputs(s) /* print warning if enabled */ |
203 |
> |
char *s; |
204 |
> |
{ |
205 |
> |
if (warnings) |
206 |
> |
eputs(s); |
207 |
> |
} |
208 |
> |
|
209 |
> |
|
210 |
> |
filter(infp, name) /* process stream */ |
211 |
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register FILE *infp; |
212 |
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char *name; |
213 |
|
{ |
221 |
|
if (c == '#') { /* comment/options */ |
222 |
|
buf[0] = c; |
223 |
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fgets(buf+1, sizeof(buf)-1, infp); |
224 |
< |
fputs(buf, stdout); |
181 |
< |
getoptions(buf, name); |
224 |
> |
xoptions(buf, name); |
225 |
|
} else if (c == '!') { /* command */ |
226 |
|
buf[0] = c; |
227 |
|
fgetline(buf+1, sizeof(buf)-1, infp); |
229 |
|
sprintf(errmsg, "cannot execute \"%s\"", buf); |
230 |
|
error(SYSTEM, errmsg); |
231 |
|
} |
232 |
< |
mkillum(pfp, buf); |
232 |
> |
filter(pfp, buf); |
233 |
|
pclose(pfp); |
234 |
|
} else { /* object */ |
235 |
|
ungetc(c, infp); |
239 |
|
} |
240 |
|
|
241 |
|
|
242 |
< |
getoptions(s, nm) /* get options from string s */ |
242 |
> |
xoptions(s, nm) /* process options in string s */ |
243 |
|
char *s; |
244 |
|
char *nm; |
245 |
|
{ |
248 |
|
int nerrs = 0; |
249 |
|
register char *cp; |
250 |
|
|
251 |
< |
if (strncmp(s, "#@mkillum", 9) || !isspace(s[9])) |
251 |
> |
if (strncmp(s, "#@mkillum", 9) || !isspace(s[9])) { |
252 |
> |
fputs(s, stdout); /* not for us */ |
253 |
|
return; |
254 |
+ |
} |
255 |
|
cp = s+10; |
256 |
|
while (*cp) { |
257 |
|
switch (*cp) { |
261 |
|
cp++; |
262 |
|
continue; |
263 |
|
case 'm': /* material name */ |
264 |
< |
cp++; |
220 |
< |
if (*cp != '=') |
264 |
> |
if (*++cp != '=') |
265 |
|
break; |
266 |
< |
cp++; |
266 |
> |
if (!*++cp || isspace(*cp)) |
267 |
> |
break; |
268 |
|
atos(thisillum.matname, MAXSTR, cp); |
269 |
|
cp = sskip(cp); |
270 |
|
if (!(thisillum.flags & IL_DATCLB)) { |
273 |
|
} |
274 |
|
continue; |
275 |
|
case 'f': /* data file name */ |
276 |
< |
cp++; |
232 |
< |
if (*cp != '=') |
276 |
> |
if (*++cp != '=') |
277 |
|
break; |
278 |
< |
cp++; |
279 |
< |
if (*cp == '\0') { |
278 |
> |
if (!*++cp || isspace(*cp)) { |
279 |
> |
strcpy(thisillum.datafile,thisillum.matname); |
280 |
> |
thisillum.dfnum = 0; |
281 |
|
thisillum.flags &= ~IL_DATCLB; |
282 |
|
continue; |
283 |
|
} |
288 |
|
continue; |
289 |
|
case 'i': /* include material */ |
290 |
|
case 'e': /* exclude material */ |
291 |
< |
matselect = (*cp++ == 'i') ? S_ELEM : S_COMPL; |
247 |
< |
if (*cp != '=') |
291 |
> |
if (cp[1] != '=') |
292 |
|
break; |
293 |
< |
cp++; |
293 |
> |
matselect = (*cp == 'i') ? S_ELEM : S_COMPL; |
294 |
> |
cp += 2; |
295 |
|
atos(matcheck, MAXSTR, cp); |
296 |
|
cp = sskip(cp); |
297 |
|
continue; |
304 |
|
matselect = S_NONE; |
305 |
|
continue; |
306 |
|
case 'c': /* color calculation */ |
307 |
< |
cp++; |
263 |
< |
if (*cp != '=') |
307 |
> |
if (*++cp != '=') |
308 |
|
break; |
309 |
< |
cp++; |
266 |
< |
switch (*cp) { |
309 |
> |
switch (*++cp) { |
310 |
|
case 'a': /* average */ |
311 |
< |
thisillum.flags |= IL_COLAVG; |
312 |
< |
thisillum.flags &= ~IL_COLDST; |
311 |
> |
thisillum.flags = (thisillum.flags|IL_COLAVG) |
312 |
> |
& ~IL_COLDST; |
313 |
|
break; |
314 |
|
case 'd': /* distribution */ |
315 |
< |
thisillum.flags |= IL_COLDST; |
273 |
< |
thisillum.flags &= ~IL_COLAVG; |
315 |
> |
thisillum.flags |= (IL_COLDST|IL_COLAVG); |
316 |
|
break; |
317 |
|
case 'n': /* none */ |
318 |
|
thisillum.flags &= ~(IL_COLAVG|IL_COLDST); |
323 |
|
cp = sskip(cp); |
324 |
|
continue; |
325 |
|
case 'd': /* point sample density */ |
326 |
< |
cp++; |
285 |
< |
if (*cp != '=') |
326 |
> |
if (*++cp != '=') |
327 |
|
break; |
328 |
< |
cp++; |
288 |
< |
if (!isintd(cp, " \t\n")) |
328 |
> |
if (!isintd(++cp, " \t\n")) |
329 |
|
break; |
330 |
< |
sampdens = atoi(cp); |
330 |
> |
thisillum.sampdens = atoi(cp); |
331 |
|
cp = sskip(cp); |
332 |
|
continue; |
333 |
|
case 's': /* point super-samples */ |
334 |
< |
cp++; |
295 |
< |
if (*cp != '=') |
334 |
> |
if (*++cp != '=') |
335 |
|
break; |
336 |
< |
cp++; |
298 |
< |
if (!isintd(cp, " \t\n")) |
336 |
> |
if (!isintd(++cp, " \t\n")) |
337 |
|
break; |
338 |
|
thisillum.nsamps = atoi(cp); |
339 |
|
cp = sskip(cp); |
340 |
|
continue; |
341 |
< |
case 'o': /* output file */ |
341 |
> |
case 'l': /* light sources */ |
342 |
|
cp++; |
343 |
< |
if (*cp != '=') |
343 |
> |
if (*cp == '+') |
344 |
> |
thisillum.flags |= IL_LIGHT; |
345 |
> |
else if (*cp == '-') |
346 |
> |
thisillum.flags &= ~IL_LIGHT; |
347 |
> |
else |
348 |
|
break; |
349 |
|
cp++; |
350 |
+ |
continue; |
351 |
+ |
case 'b': /* brightness */ |
352 |
+ |
if (*++cp != '=') |
353 |
+ |
break; |
354 |
+ |
if (!isfltd(++cp, " \t\n")) |
355 |
+ |
break; |
356 |
+ |
thisillum.minbrt = atof(cp); |
357 |
+ |
if (thisillum.minbrt < 0.) |
358 |
+ |
thisillum.minbrt = 0.; |
359 |
+ |
cp = sskip(cp); |
360 |
+ |
continue; |
361 |
+ |
case 'o': /* output file */ |
362 |
+ |
if (*++cp != '=') |
363 |
+ |
break; |
364 |
+ |
if (!*++cp || isspace(*cp)) |
365 |
+ |
break; |
366 |
|
atos(buf, sizeof(buf), cp); |
367 |
|
cp = sskip(cp); |
368 |
|
if (freopen(buf, "w", stdout) == NULL) { |
372 |
|
} |
373 |
|
doneheader = 0; |
374 |
|
continue; |
375 |
+ |
case '!': /* processed file! */ |
376 |
+ |
sprintf(errmsg, "(%s): already processed!", nm); |
377 |
+ |
error(WARNING, errmsg); |
378 |
+ |
matselect = S_NONE; |
379 |
+ |
return; |
380 |
|
} |
381 |
|
opterr: /* skip faulty option */ |
382 |
|
cp = sskip(cp); |
383 |
|
nerrs++; |
384 |
|
} |
385 |
+ |
/* print header? */ |
386 |
+ |
checkhead(); |
387 |
+ |
/* issue warnings? */ |
388 |
|
if (nerrs) { |
389 |
|
sprintf(errmsg, "(%s): %d error(s) in option line:", |
390 |
|
nm, nerrs); |
391 |
|
error(WARNING, errmsg); |
392 |
< |
eputs(s); |
392 |
> |
wputs(s); |
393 |
> |
printf("# %s: the following option line has %d error(s):\n", |
394 |
> |
progname, nerrs); |
395 |
|
} |
396 |
+ |
/* print pure comment */ |
397 |
+ |
printf("# %s", s+2); |
398 |
+ |
} |
399 |
+ |
|
400 |
+ |
|
401 |
+ |
printopts() /* print out option default values */ |
402 |
+ |
{ |
403 |
+ |
printf("m=%-15s\t\t# material name\n", thisillum.matname); |
404 |
+ |
printf("f=%-15s\t\t# data file name\n", thisillum.datafile); |
405 |
+ |
if (thisillum.flags & IL_COLAVG) |
406 |
+ |
if (thisillum.flags & IL_COLDST) |
407 |
+ |
printf("c=d\t\t\t\t# color distribution\n"); |
408 |
+ |
else |
409 |
+ |
printf("c=a\t\t\t\t# color average\n"); |
410 |
+ |
else |
411 |
+ |
printf("c=n\t\t\t\t# color none\n"); |
412 |
+ |
if (thisillum.flags & IL_LIGHT) |
413 |
+ |
printf("l+\t\t\t\t# light type on\n"); |
414 |
+ |
else |
415 |
+ |
printf("l-\t\t\t\t# light type off\n"); |
416 |
+ |
printf("d=%d\t\t\t\t# density of points\n", thisillum.sampdens); |
417 |
+ |
printf("s=%d\t\t\t\t# samples per point\n", thisillum.nsamps); |
418 |
+ |
printf("b=%f\t\t\t# minimum average brightness\n", thisillum.minbrt); |
419 |
+ |
} |
420 |
+ |
|
421 |
+ |
|
422 |
+ |
printhead(ac, av) /* print out header */ |
423 |
+ |
register int ac; |
424 |
+ |
register char **av; |
425 |
+ |
{ |
426 |
+ |
putchar('#'); |
427 |
+ |
while (ac-- > 0) { |
428 |
+ |
putchar(' '); |
429 |
+ |
fputs(*av++, stdout); |
430 |
+ |
} |
431 |
+ |
fputs("\n#@mkillum !\n", stdout); |
432 |
+ |
} |
433 |
+ |
|
434 |
+ |
|
435 |
+ |
xobject(fp, nm) /* translate an object from fp */ |
436 |
+ |
FILE *fp; |
437 |
+ |
char *nm; |
438 |
+ |
{ |
439 |
+ |
OBJREC thisobj; |
440 |
+ |
char str[MAXSTR]; |
441 |
+ |
int doit; |
442 |
+ |
/* read the object */ |
443 |
+ |
if (fgetword(thisillum.altmat, MAXSTR, fp) == NULL) |
444 |
+ |
goto readerr; |
445 |
+ |
if (fgetword(str, MAXSTR, fp) == NULL) |
446 |
+ |
goto readerr; |
447 |
+ |
/* is it an alias? */ |
448 |
+ |
if (!strcmp(str, ALIASID)) { |
449 |
+ |
if (fgetword(str, MAXSTR, fp) == NULL) |
450 |
+ |
goto readerr; |
451 |
+ |
printf("\n%s %s %s", thisillum.altmat, ALIASID, str); |
452 |
+ |
if (fgetword(str, MAXSTR, fp) == NULL) |
453 |
+ |
goto readerr; |
454 |
+ |
printf("\t%s\n", str); |
455 |
+ |
return; |
456 |
+ |
} |
457 |
+ |
thisobj.omod = OVOID; /* unused field */ |
458 |
+ |
if ((thisobj.otype = otype(str)) < 0) { |
459 |
+ |
sprintf(errmsg, "(%s): unknown type \"%s\"", nm, str); |
460 |
+ |
error(USER, errmsg); |
461 |
+ |
} |
462 |
+ |
if (fgetword(str, MAXSTR, fp) == NULL) |
463 |
+ |
goto readerr; |
464 |
+ |
thisobj.oname = str; |
465 |
+ |
if (readfargs(&thisobj.oargs, fp) != 1) |
466 |
+ |
goto readerr; |
467 |
+ |
thisobj.os = NULL; |
468 |
+ |
/* check for translation */ |
469 |
+ |
switch (matselect) { |
470 |
+ |
case S_NONE: |
471 |
+ |
doit = 0; |
472 |
+ |
break; |
473 |
+ |
case S_ALL: |
474 |
+ |
doit = 1; |
475 |
+ |
break; |
476 |
+ |
case S_ELEM: |
477 |
+ |
doit = !strcmp(thisillum.altmat, matcheck); |
478 |
+ |
break; |
479 |
+ |
case S_COMPL: |
480 |
+ |
doit = strcmp(thisillum.altmat, matcheck); |
481 |
+ |
break; |
482 |
+ |
} |
483 |
+ |
doit = doit && issurface(thisobj.otype); |
484 |
+ |
/* print header? */ |
485 |
+ |
checkhead(); |
486 |
+ |
/* process object */ |
487 |
+ |
if (doit) |
488 |
+ |
(*ofun[thisobj.otype].funp)(&thisobj, &thisillum, &rt, nm); |
489 |
+ |
else |
490 |
+ |
printobj(thisillum.altmat, &thisobj); |
491 |
+ |
/* free arguments */ |
492 |
+ |
freefargs(&thisobj.oargs); |
493 |
+ |
return; |
494 |
+ |
readerr: |
495 |
+ |
sprintf(errmsg, "(%s): error reading scene", nm); |
496 |
+ |
error(USER, errmsg); |
497 |
|
} |