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root/radiance/ray/src/util/rad.c

Comparing ray/src/util/rad.c (file contents):
Revision 2.1 by greg, Thu Mar 11 09:11:00 1993 UTC vs.
Revision 2.77 by greg, Thu Sep 9 20:08:21 2004 UTC

#	Line 1 | Line 1
1	–	/* Copyright (c) 1993 Regents of the University of California */
2	–
1		#ifndef lint
2	<	static char SCCSid[] = "$SunId$ LBL";
2	>	static const char       RCSid[] = "$Id$";
3		#endif
6	–
4		/*
5		* Executive program for oconv, rpict and pfilt
6		*/
7
8		#include "standard.h"
9	<	#include "paths.h"
9	>
10		#include <ctype.h>
11	+	#include <time.h>
12
13	+	#include "platform.h"
14	+	#include "rtprocess.h"
15	+	#include "view.h"
16	+	#include "paths.h"
17	+	#include "vars.h"
18
19	<	typedef struct {
20	<	char    *name;          /* variable name */
21	<	short   nick;           /* # characters required for nickname */
22	<	short   nass;           /* # assignments made */
23	<	char    *value;         /* assigned value(s) */
24	<	int     (*fixval)();    /* assignment checking function */
25	<	} VARIABLE;
19	>	#ifdef _WIN32
20	>	#define DELCMD "del"
21	>	#define RENAMECMD "rename"
22	>	#else
23	>	#define DELCMD "rm -f"
24	>	#define RENAMECMD "mv"
25	>	#include <sys/types.h>
26	>	#include <sys/wait.h>
27	>	#endif
28
29	<	int     onevalue(), catvalues();
30	<
31	<	/* variables */
32	<	#define OBJECT          0               /* object files */
33	<	#define SCENE           1               /* scene files */
34	<	#define MATERIAL        2               /* material files */
35	<	#define RENDER          3               /* rendering options */
36	<	#define OCONV           4               /* oconv options */
37	<	#define PFILT           5               /* pfilt options */
38	<	#define VIEW            6               /* view(s) for picture(s) */
39	<	#define ZONE            7               /* simulation zone */
40	<	#define QUALITY         8               /* desired rendering quality */
41	<	#define OCTREE          9               /* octree file name */
42	<	#define PICTURE         10              /* picture file name */
43	<	#define AMBFILE         11              /* ambient file name */
44	<	#define OPTFILE         12              /* rendering options file */
45	<	#define EXPOSURE        13              /* picture exposure setting */
46	<	#define RESOLUTION      14              /* maximum picture resolution */
47	<	#define UP              15              /* view up (X, Y or Z) */
48	<	#define INDIRECT        16              /* indirection in lighting */
49	<	#define DETAIL          17              /* level of scene detail */
50	<	#define PENUMBRAS       18              /* shadow penumbras are desired */
51	<	#define VARIABILITY     19              /* level of light variability */
52	<	#define REPORT          20              /* report frequency and errfile */
29	>	/* variables (alphabetical by name) */
30	>	#define AMBFILE         0               /* ambient file name */
31	>	#define DETAIL          1               /* level of scene detail */
32	>	#define EXPOSURE        2               /* picture exposure setting */
33	>	#define EYESEP          3               /* interocular distance */
34	>	#define ILLUM           4               /* mkillum input files */
35	>	#define INDIRECT        5               /* indirection in lighting */
36	>	#define MATERIAL        6               /* material files */
37	>	#define MKILLUM         7               /* mkillum options */
38	>	#define OBJECT          8               /* object files */
39	>	#define OCONV           9               /* oconv options */
40	>	#define OCTREE          10              /* octree file name */
41	>	#define OPTFILE         11              /* rendering options file */
42	>	#define PENUMBRAS       12              /* shadow penumbras are desired */
43	>	#define PFILT           13              /* pfilt options */
44	>	#define PICTURE         14              /* picture file root name */
45	>	#define QUALITY         15              /* desired rendering quality */
46	>	#define RAWFILE         16              /* raw picture file root name */
47	>	#define RENDER          17              /* rendering options */
48	>	#define REPORT          18              /* report frequency and errfile */
49	>	#define RESOLUTION      19              /* maximum picture resolution */
50	>	#define SCENE           20              /* scene files */
51	>	#define UP              21              /* view up (X, Y or Z) */
52	>	#define VARIABILITY     22              /* level of light variability */
53	>	#define VIEWS           23              /* view(s) for picture(s) */
54	>	#define ZFILE           24              /* distance file root name */
55	>	#define ZONE            25              /* simulation zone */
56		/* total number of variables */
57	<	#define NVARS           21
57	>	int NVARS = 26;
58
59	<	VARIABLE        vv[NVARS] = {           /* variable-value pairs */
60	<	{"objects",     3,      0,      NULL,   catvalues},
61	<	{"scene",       3,      0,      NULL,   catvalues},
59	>	VARIABLE        vv[] = {                /* variable-value pairs */
60	>	{"AMBFILE",     3,      0,      NULL,   onevalue},
61	>	{"DETAIL",      3,      0,      NULL,   qualvalue},
62	>	{"EXPOSURE",    3,      0,      NULL,   fltvalue},
63	>	{"EYESEP",      3,      0,      NULL,   fltvalue},
64	>	{"illum",       3,      0,      NULL,   catvalues},
65	>	{"INDIRECT",    3,      0,      NULL,   intvalue},
66		{"materials",   3,      0,      NULL,   catvalues},
67	<	{"render",      3,      0,      NULL,   catvalues},
67	>	{"mkillum",     3,      0,      NULL,   catvalues},
68	>	{"objects",     3,      0,      NULL,   catvalues},
69		{"oconv",       3,      0,      NULL,   catvalues},
57	–	{"pfilt",       2,      0,      NULL,   catvalues},
58	–	{"view",        2,      0,      NULL,   NULL},
59	–	{"ZONE",        2,      0,      NULL,   onevalue},
60	–	{"QUALITY",     3,      0,      NULL,   onevalue},
70		{"OCTREE",      3,      0,      NULL,   onevalue},
62	–	{"PICTURE",     3,      0,      NULL,   onevalue},
63	–	{"AMBFILE",     3,      0,      NULL,   onevalue},
71		{"OPTFILE",     3,      0,      NULL,   onevalue},
72	<	{"EXPOSURE",    3,      0,      NULL,   onevalue},
72	>	{"PENUMBRAS",   3,      0,      NULL,   boolvalue},
73	>	{"pfilt",       2,      0,      NULL,   catvalues},
74	>	{"PICTURE",     3,      0,      NULL,   onevalue},
75	>	{"QUALITY",     3,      0,      NULL,   qualvalue},
76	>	{"RAWFILE",     3,      0,      NULL,   onevalue},
77	>	{"render",      3,      0,      NULL,   catvalues},
78	>	{"REPORT",      3,      0,      NULL,   onevalue},
79		{"RESOLUTION",  3,      0,      NULL,   onevalue},
80	+	{"scene",       3,      0,      NULL,   catvalues},
81		{"UP",          2,      0,      NULL,   onevalue},
82	<	{"INDIRECT",    3,      0,      NULL,   onevalue},
83	<	{"DETAIL",      3,      0,      NULL,   onevalue},
84	<	{"PENUMBRAS",   3,      0,      NULL,   onevalue},
85	<	{"VARIABILITY", 3,      0,      NULL,   onevalue},
72	<	{"REPORT",      3,      0,      NULL,   onevalue},
82	>	{"VARIABILITY", 3,      0,      NULL,   qualvalue},
83	>	{"view",        2,      0,      NULL,   NULL},
84	>	{"ZFILE",       2,      0,      NULL,   onevalue},
85	>	{"ZONE",        2,      0,      NULL,   onevalue},
86		};
87
88	<	VARIABLE        *matchvar();
89	<	char    *nvalue();
90	<	int     vscale();
88	>	/* overture calculation file */
89	>	#ifdef NULL_DEVICE
90	>	char    overfile[] = NULL_DEVICE;
91	>	#else
92	>	char    overfile[] = "overture.unf";
93	>	#endif
94
79	–	#define vnam(vc)        (vv[vc].name)
80	–	#define vdef(vc)        (vv[vc].nass)
81	–	#define vval(vc)        (vv[vc].value)
82	–	#define vint(vc)        atoi(vval(vc))
83	–	#define vlet(vc)        (vval(vc)[0]&~0x20)
84	–	#define vbool(vc)       (vlet(vc)=='T')
95
96	<	#define HIGH            2
97	<	#define MEDIUM          1
98	<	#define LOW             0
96	>	time_t  scenedate;              /* date of latest scene or object file */
97	>	time_t  octreedate;             /* date of octree */
98	>	time_t  matdate;                /* date of latest material file */
99	>	time_t  illumdate;              /* date of last illum file */
100
101	<	int     lowqopts(), medqopts(), hiqopts();
102	<	int     (*setqopts[3])() = {lowqopts, medqopts, hiqopts};
101	>	char    *oct0name;              /* name of pre-mkillum octree */
102	>	time_t  oct0date;               /* date of pre-mkillum octree */
103	>	char    *oct1name;              /* name of post-mkillum octree */
104	>	time_t  oct1date;               /* date of post-mkillum octree (>= matdate) */
105
106	<	#define renderopts      (*setqopts[vscale(QUALITY)])
94	<
95	<	extern long     fdate();
96	<
97	<	long    scenedate;              /* date of latest scene or object file */
98	<	long    octreedate;             /* date of octree */
99	<
106	>	int     nowarn = 0;             /* no warnings */
107		int     explicate = 0;          /* explicate variables */
108		int     silent = 0;             /* do work silently */
109	<	int     noaction = 0;           /* don't do anything */
110	<	char    *rvdevice = NULL;       /* rview output device */
109	>	int     touchonly = 0;          /* touch files only */
110	>	int     nprocs = 1;             /* maximum executing processes */
111	>	int     sayview = 0;            /* print view out */
112	>	char    *rvdevice = NULL;       /* rvu output device */
113		char    *viewselect = NULL;     /* specific view only */
114
115		int     overture = 0;           /* overture calculation needed */
116
117	+	int     children_running = 0;   /* set negative in children */
118	+
119		char    *progname;              /* global argv[0] */
120	+	char    *rifname;               /* global rad input file name */
121
122	<	char    radname[MAXPATH];       /* root Radiance file name */
122	>	char    radname[PATH_MAX];      /* root Radiance file name */
123
124	+	#define inchild()       (children_running < 0)
125
126	<	main(argc, argv)
127	<	int     argc;
128	<	char    *argv[];
126	>	static void rootname(char       *rn, char       *fn);
127	>	static time_t checklast(char    *fnames);
128	>	static char * newfname(char     *orig, int      pred);
129	>	static void checkfiles(void);
130	>	static void getoctcube(double   org[3], double  *sizp);
131	>	static void setdefaults(void);
132	>	static void oconv(void);
133	>	static char * addarg(char       *op, char       *arg);
134	>	static void oconvopts(char      *oo);
135	>	static void mkillumopts(char    *mo);
136	>	static void checkambfile(void);
137	>	static double ambval(void);
138	>	static void renderopts(char     *op, char       *po);
139	>	static void lowqopts(char       *op, char       *po);
140	>	static void medqopts(char       *op, char       *po);
141	>	static void hiqopts(char        *op, char       *po);
142	>	static void xferopts(char       *ro);
143	>	static void pfiltopts(char      *po);
144	>	static int matchword(char       *s1, char       *s2);
145	>	static char * specview(char     *vs);
146	>	static char * getview(int       n, char *vn);
147	>	static int myprintview(char     *vopts, FILE    *fp);
148	>	static void rvu(char    *opts, char     *po);
149	>	static void rpict(char  *opts, char     *po);
150	>	static int touch(char   *fn);
151	>	static int runcom(char  *cs);
152	>	static int rmfile(char  *fn);
153	>	static int mvfile(char  *fold, char     *fnew);
154	>	static int next_process(void);
155	>	static void wait_process(int    all);
156	>	static void finish_process(void);
157	>	static void badvalue(int        vc);
158	>	static void syserr(char *s);
159	>
160	>
161	>	int
162	>	main(
163	>	int     argc,
164	>	char    *argv[]
165	>	)
166		{
167		char    ropts[512];
168	+	char    popts[64];
169		int     i;
170
171		progname = argv[0];
#	Line 125 | Line 176 | char   *argv[];
176		silent++;
177		break;
178		case 'n':
179	<	noaction++;
179	>	nprocs = 0;
180		break;
181	+	case 'N':
182	+	nprocs = atoi(argv[++i]);
183	+	if (nprocs < 0)
184	+	nprocs = 0;
185	+	break;
186	+	case 't':
187	+	touchonly++;
188	+	break;
189		case 'e':
190		explicate++;
191		break;
192		case 'o':
193		rvdevice = argv[++i];
194		break;
195	+	case 'V':
196	+	sayview++;
197	+	break;
198		case 'v':
199		viewselect = argv[++i];
200		break;
201	+	case 'w':
202	+	nowarn++;
203	+	break;
204		default:
205		goto userr;
206		}
207		if (i >= argc)
208		goto userr;
209	+	rifname = argv[i];
210	+	/* check command-line options */
211	+	if ((nprocs > 1) & (viewselect != NULL))
212	+	nprocs = 1;
213		/* assign Radiance root file name */
214	<	rootname(radname, argv[i]);
214	>	rootname(radname, rifname);
215		/* load variable values */
216	<	load(argv[i]);
216	>	loadvars(rifname);
217		/* get any additional assignments */
218		for (i++; i < argc; i++)
219	<	setvariable(argv[i]);
219	>	if (setvariable(argv[i], matchvar) < 0) {
220	>	fprintf(stderr, "%s: unknown variable: %s\n",
221	>	progname, argv[i]);
222	>	quit(1);
223	>	}
224		/* check assignments */
225		checkvalues();
226		/* check files and dates */
#	Line 156 | Line 229 | char   *argv[];
229		setdefaults();
230		/* print all values if requested */
231		if (explicate)
232	<	printvals();
233	<	/* run simulation */
232	>	printvars(stdout);
233	>	/* build octree (and run mkillum) */
234		oconv();
235	<	renderopts(ropts);
235	>	/* check date on ambient file */
236	>	checkambfile();
237	>	/* run simulation */
238	>	renderopts(ropts, popts);
239		xferopts(ropts);
240		if (rvdevice != NULL)
241	<	rview(ropts);
241	>	rvu(ropts, popts);
242		else
243	<	rpict(ropts);
244	<	exit(0);
243	>	rpict(ropts, popts);
244	>	quit(0);
245		userr:
246		fprintf(stderr,
247	<	"Usage: %s [-s][-n][-v view][-o dev] rfile [VAR=value ..]\n",
247	>	"Usage: %s [-w][-s][-n|-N npr][-t][-e][-V][-v view][-o dev] rfile [VAR=value ..]\n",
248		progname);
249	<	exit(1);
249	>	quit(1);
250	>	return 1; /* pro forma return */
251		}
252
253
254	<	rootname(rn, fn)                /* remove tail from end of fn */
255	<	register char   *rn, *fn;
254	>	static void
255	>	rootname(               /* remove tail from end of fn */
256	>	register char   *rn,
257	>	register char   *fn
258	>	)
259		{
260		char    *tp, *dp;
261
262	<	for (tp = NULL, dp = rn; *rn = *fn++; rn++)
262	>	for (tp = NULL, dp = rn; (*rn = *fn++); rn++)
263		if (ISDIRSEP(*rn))
264		dp = rn;
265		else if (*rn == '.')
#	Line 189 | Line 269 | register char  *rn, *fn;
269		}
270
271
272	<	load(rfname)                    /* load Radiance simulation file */
273	<	char    *rfname;
272	>	static time_t
273	>	checklast(                      /* check files and find most recent */
274	>	register char   *fnames
275	>	)
276		{
277	<	FILE    *fp;
278	<	char    buf[256];
197	<	register char   *cp;
277	>	char    thisfile[PATH_MAX];
278	>	time_t  thisdate, lastdate = 0;
279
280	<	if (rfname == NULL)
281	<	fp = stdin;
282	<	else if ((fp = fopen(rfname, "r")) == NULL) {
283	<	perror(rfname);
284	<	exit(1);
285	<	}
286	<	while (fgetline(buf, sizeof(buf), fp) != NULL) {
287	<	for (cp = buf; *cp; cp++) {
207	<	switch (*cp) {
208	<	case '\\':
209	<	case '\n':
210	<	*cp = ' ';
211	<	continue;
212	<	case '#':
213	<	*cp = '\0';
214	<	break;
215	<	}
216	<	break;
280	>	if (fnames == NULL)
281	>	return(0);
282	>	while ((fnames = nextword(thisfile, PATH_MAX, fnames)) != NULL) {
283	>	if (thisfile[0] == '!' ||
284	>	(thisfile[0] == '\\' && thisfile[1] == '!')) {
285	>	if (!lastdate)
286	>	lastdate = 1;
287	>	continue;
288		}
289	<	setvariable(buf);
289	>	if (!(thisdate = fdate(thisfile)))
290	>	syserr(thisfile);
291	>	if (thisdate > lastdate)
292	>	lastdate = thisdate;
293		}
294	<	fclose(fp);
294	>	return(lastdate);
295		}
296
297
298	<	setvariable(ass)                /* assign variable according to string */
299	<	register char   *ass;
298	>	static char *
299	>	newfname(               /* create modified file name */
300	>	char    *orig,
301	>	int     pred
302	>	)
303		{
227	–	char    varname[32];
304		register char   *cp;
305	<	register VARIABLE       *vp;
306	<	register int    i;
231	<	int     n;
305	>	register int    n;
306	>	int     suffix;
307
308	<	while (isspace(*ass))           /* skip leading space */
309	<	ass++;
310	<	cp = varname;                   /* extract name */
311	<	while (cp < varname+sizeof(varname)-1
312	<	&& *ass && !isspace(*ass) && *ass != '=')
238	<	*cp++ = *ass++;
239	<	*cp = '\0';
240	<	if (!varname[0])
241	<	return;         /* no variable name! */
242	<	/* trim value */
243	<	while (isspace(*ass) || *ass == '=')
244	<	ass++;
245	<	cp = ass + strlen(ass);
246	<	do
247	<	*cp-- = '\0';
248	<	while (cp >= ass && isspace(*cp));
249	<	n = cp - ass + 1;
250	<	if (!n) {
251	<	fprintf(stderr, "%s: warning - missing value for variable '%s'\n",
252	<	progname, varname);
253	<	return;
308	>	n = 0; cp = orig; suffix = -1;          /* suffix position, length */
309	>	while (*cp) {
310	>	if (*cp == '.') suffix = n;
311	>	else if (ISDIRSEP(*cp)) suffix = -1;
312	>	cp++; n++;
313		}
314	<	/* match variable from list */
315	<	vp = matchvar(varname);
316	<	if (vp == NULL) {
317	<	fprintf(stderr, "%s: unknown variable '%s'\n",
318	<	progname, varname);
319	<	exit(1);
261	<	}
262	<	/* assign new value */
263	<	cp = vp->value; i = vp->nass;
264	<	while (i--)
265	<	while (*cp++)
266	<	;
267	<	i = cp - vp->value;
268	<	vp->value = realloc(vp->value, i+n+1);
269	<	if (vp->value == NULL) {
270	<	perror(progname);
271	<	exit(1);
272	<	}
273	<	strcpy(vp->value+i, ass);
274	<	vp->nass++;
275	<	}
276	<
277	<
278	<	VARIABLE *
279	<	matchvar(nam)                   /* match a variable by its name */
280	<	char    *nam;
281	<	{
282	<	int     n = strlen(nam);
283	<	register int    i;
284	<
285	<	for (i = 0; i < NVARS; i++)
286	<	if (n >= vv[i].nick && !strncmp(nam, vv[i].name, n))
287	<	return(vv+i);
288	<	return(NULL);
289	<	}
290	<
291	<
292	<	char *
293	<	nvalue(vp, n)                   /* return nth variable value */
294	<	VARIABLE        *vp;
295	<	register int    n;
296	<	{
297	<	register char   *cp;
298	<
299	<	if (vp == NULL || n < 0 || n >= vp->nass)
300	<	return(NULL);
301	<	cp = vp->value;
302	<	while (n--)
303	<	while (*cp++)
304	<	;
314	>	if (suffix == -1) suffix = n;
315	>	if ((cp = bmalloc(n+2)) == NULL)
316	>	syserr(progname);
317	>	strncpy(cp, orig, suffix);
318	>	cp[suffix] = pred;                      /* root name + pred + suffix */
319	>	strcpy(cp+suffix+1, orig+suffix);
320		return(cp);
321		}
322
323
324	<	int
325	<	vscale(vc)                      /* return scale for variable vc */
311	<	int     vc;
324	>	static void
325	>	checkfiles(void)                        /* check for existence and modified times */
326		{
327	<	switch(vlet(vc)) {
314	<	case 'H':
315	<	return(HIGH);
316	<	case 'M':
317	<	return(MEDIUM);
318	<	case 'L':
319	<	return(LOW);
320	<	}
321	<	fprintf(stderr, "%s: illegal value for variable '%s' (%s)\n",
322	<	progname, vnam(vc), vval(vc));
323	<	exit(1);
324	<	}
327	>	time_t  objdate;
328
329	<
330	<	checkvalues()                   /* check assignments */
331	<	{
332	<	register int    i;
333	<
334	<	for (i = 0; i < NVARS; i++)
335	<	if (vv[i].fixval != NULL)
336	<	(*vv[i].fixval)(vv+i);
337	<	}
335	<
336	<
337	<	onevalue(vp)                    /* only one assignment for this variable */
338	<	register VARIABLE       *vp;
339	<	{
340	<	if (vp->nass < 2)
341	<	return;
342	<	fprintf(stderr, "%s: warning - multiple assignment of variable '%s'\n",
343	<	progname, vp->name);
344	<	while (vp->nass-- > 1)
345	<	vp->value += strlen(vp->value)+1;
346	<	}
347	<
348	<
349	<	catvalues(vp)                   /* concatenate variable values */
350	<	register VARIABLE       *vp;
351	<	{
352	<	register char   *cp;
353	<
354	<	if (vp->nass < 2)
355	<	return;
356	<	for (cp = vp->value; vp->nass > 1; vp->nass--) {
357	<	while (*cp)
358	<	cp++;
359	<	*cp++ = ' ';
329	>	if (!vdef(OCTREE)) {
330	>	if ((vval(OCTREE) = bmalloc(strlen(radname)+5)) == NULL)
331	>	syserr(progname);
332	>	sprintf(vval(OCTREE), "%s.oct", radname);
333	>	vdef(OCTREE)++;
334	>	} else if (vval(OCTREE)[0] == '!') {
335	>	fprintf(stderr, "%s: illegal '%s' specification\n",
336	>	progname, vnam(OCTREE));
337	>	quit(1);
338		}
339	<	}
340	<
341	<
342	<	long
343	<	checklast(fnames)                       /* check files and find most recent */
344	<	register char   *fnames;
345	<	{
346	<	char    thisfile[MAXPATH];
347	<	long    thisdate, lastdate = -1;
348	<	register char   *cp;
349	<
350	<	while (*fnames) {
351	<	while (isspace(*fnames)) fnames++;
352	<	cp = thisfile;
353	<	while (*fnames && !isspace(*fnames)) *cp++ = *fnames++;
354	<	*cp = '\0';
377	<	if ((thisdate = fdate(thisfile)) < 0) {
378	<	perror(thisfile);
379	<	exit(1);
380	<	}
381	<	if (thisdate > lastdate)
382	<	lastdate = thisdate;
339	>	octreedate = fdate(vval(OCTREE));
340	>	if (vdef(ILLUM)) {              /* illum requires secondary octrees */
341	>	oct0name = newfname(vval(OCTREE), '0');
342	>	oct1name = newfname(vval(OCTREE), '1');
343	>	oct0date = fdate(oct0name);
344	>	oct1date = fdate(oct1name);
345	>	} else
346	>	oct0name = oct1name = vval(OCTREE);
347	>	if ((scenedate = checklast(vval(SCENE))) &&
348	>	(objdate = checklast(vval(OBJECT))) > scenedate)
349	>	scenedate = objdate;
350	>	illumdate = checklast(vval(ILLUM));
351	>	if (!octreedate & !scenedate & !illumdate) {
352	>	fprintf(stderr, "%s: need '%s' or '%s' or '%s'\n", progname,
353	>	vnam(OCTREE), vnam(SCENE), vnam(ILLUM));
354	>	quit(1);
355		}
356	<	return(lastdate);
385	<	}
386	<
387	<
388	<	checkfiles()                    /* check for existence and modified times */
389	<	{
390	<	long    objdate;
391	<
392	<	octreedate = vdef(OCTREE) ? fdate(vval(OCTREE)) : -1;
393	<	scenedate = -1;
394	<	if (vdef(SCENE)) {
395	<	scenedate = checklast(vval(SCENE));
396	<	if (vdef(OBJECT)) {
397	<	objdate = checklast(vval(OBJECT));
398	<	if (objdate > scenedate)
399	<	scenedate = objdate;
400	<	}
401	<	}
402	<	if (octreedate < 0 & scenedate < 0) {
403	<	fprintf(stderr, "%s: need scene or octree\n", progname);
404	<	exit(1);
405	<	}
356	>	matdate = checklast(vval(MATERIAL));
357		}
358
359
360	<	setdefaults()                   /* set default values for unassigned var's */
360	>	static void
361	>	getoctcube(             /* get octree bounding cube */
362	>	double  org[3],
363	>	double  *sizp
364	>	)
365		{
366	+	static double   oorg[3], osiz = 0.;
367	+	double  min[3], max[3];
368	+	char    buf[1024];
369		FILE    *fp;
370	<	double  xmin, ymin, zmin, size;
413	<	char    buf[512];
414	<	char    *cp;
370	>	register int    i;
371
372	<	if (!vdef(OCTREE)) {
373	<	sprintf(buf, "%s.oct", radname);
374	<	vval(OCTREE) = savqstr(buf);
375	<	vdef(OCTREE)++;
376	<	}
377	<	if (!vdef(ZONE)) {
378	<	if (scenedate > octreedate) {
379	<	sprintf(buf, "getbbox -w -h %s", vval(SCENE));
380	<	if (!silent) {
381	<	printf("\t%s\n", buf);
382	<	fflush(stdout);
372	>	if (osiz <= FTINY) {
373	>	if (!nprocs && fdate(oct1name) <
374	>	(scenedate>illumdate?scenedate:illumdate)) {
375	>	/* run getbbox */
376	>	sprintf(buf, "getbbox -w -h %s",
377	>	vdef(SCENE) ? vval(SCENE) : vval(ILLUM));
378	>	if ((fp = popen(buf, "r")) == NULL)
379	>	syserr("getbbox");
380	>	if (fscanf(fp, "%lf %lf %lf %lf %lf %lf",
381	>	&min[0], &max[0], &min[1], &max[1],
382	>	&min[2], &max[2]) != 6) {
383	>	fprintf(stderr,
384	>	"%s: error reading bounding box from getbbox\n",
385	>	progname);
386	>	quit(1);
387		}
388	<	if ((fp = popen(buf, "r")) == NULL) {
389	<	perror("getbbox");
390	<	exit(1);
391	<	}
392	<	buf[0] = 'E'; buf[1] = ' ';
433	<	fgetline(buf+2, sizeof(buf)-2, fp);
388	>	for (i = 0; i < 3; i++)
389	>	if (max[i] - min[i] > osiz)
390	>	osiz = max[i] - min[i];
391	>	for (i = 0; i < 3; i++)
392	>	oorg[i] = (max[i]+min[i]-osiz)*.5;
393		pclose(fp);
394	<	} else {
395	<	sprintf(buf, "getinfo -d < %s", vval(OCTREE));
396	<	if ((fp = popen(buf, "r")) == NULL) {
397	<	perror("getinfo");
398	<	exit(1);
394	>	} else {                                /* from octree */
395	>	oconv();        /* does nothing if done already */
396	>	sprintf(buf, "getinfo -d < %s", oct1name);
397	>	if ((fp = popen(buf, "r")) == NULL)
398	>	syserr("getinfo");
399	>	if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
400	>	&oorg[2], &osiz) != 4) {
401	>	fprintf(stderr,
402	>	"%s: error reading bounding cube from getinfo\n",
403	>	progname);
404	>	quit(1);
405		}
441	–	fscanf(fp, "%lf %lf %lf %lf",
442	–	&xmin, &ymin, &zmin, &size);
443	–	sprintf(buf, "E %g %g %g %g %g %g", xmin, xmin+size,
444	–	ymin, ymin+size, zmin, zmin+size);
406		pclose(fp);
407		}
408	+	}
409	+	org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
410	+	}
411	+
412	+
413	+	static void
414	+	setdefaults(void)                       /* set default values for unassigned var's */
415	+	{
416	+	double  org[3], lim[3], size;
417	+	char    buf[128];
418	+
419	+	if (!vdef(ZONE)) {
420	+	getoctcube(org, &size);
421	+	sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
422	+	org[1], org[1]+size, org[2], org[2]+size);
423		vval(ZONE) = savqstr(buf);
424		vdef(ZONE)++;
425		}
426	<	if (!vdef(UP)) {
427	<	vval(UP) = "Z";
428	<	vdef(UP)++;
426	>	if (!vdef(EYESEP)) {
427	>	if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
428	>	&org[0], &lim[0], &org[1], &lim[1],
429	>	&org[2], &lim[2]) != 6)
430	>	badvalue(ZONE);
431	>	sprintf(buf, "%f",
432	>	0.01*(lim[0]-org[0]+lim[1]-org[1]+lim[2]-org[2]));
433	>	vval(EYESEP) = savqstr(buf);
434	>	vdef(EYESEP)++;
435		}
436		if (!vdef(INDIRECT)) {
437		vval(INDIRECT) = "0";
#	Line 467 | Line 449 | setdefaults()                  /* set default values for unassigned v
449		vval(PICTURE) = radname;
450		vdef(PICTURE)++;
451		}
452	<	if (!vdef(AMBFILE)) {
453	<	sprintf(buf, "%s.amb", radname);
454	<	vval(AMBFILE) = savqstr(buf);
473	<	vdef(AMBFILE)++;
452	>	if (!vdef(VIEWS)) {
453	>	vval(VIEWS) = "X";
454	>	vdef(VIEWS)++;
455		}
475	–	if (!vdef(VIEW)) {
476	–	vval(VIEW) = "X";
477	–	vdef(VIEW)++;
478	–	}
456		if (!vdef(DETAIL)) {
457		vval(DETAIL) = "M";
458		vdef(DETAIL)++;
#	Line 491 | Line 468 | setdefaults()                  /* set default values for unassigned v
468		}
469
470
471	<	printvals()                     /* print variable values */
471	>	static void
472	>	oconv(void)                             /* run oconv and mkillum if necessary */
473		{
474	<	register int    i, j;
474	>	static char     illumtmp[] = "ilXXXXXX";
475	>	char    combuf[PATH_MAX], ocopts[64], mkopts[64];
476
477	<	for (i = 0; i < NVARS; i++)
478	<	for (j = 0; j < vv[i].nass; j++)
479	<	printf("%s= %s\n", vv[i].name, nvalue(vv+i, j));
480	<	fflush(stdout);
481	<	}
482	<
483	<
484	<	oconv()                         /* run oconv if necessary */
485	<	{
486	<	char    combuf[512], ocopts[64];
487	<
488	<	if (octreedate > scenedate)     /* check dates */
489	<	return;
490	<	/* build command */
491	<	oconvopts(ocopts);
492	<	sprintf(combuf, "oconv%s %s > %s", ocopts, vval(SCENE), vval(OCTREE));
493	<	if (!silent) {                  /* echo it */
494	<	printf("\t%s\n", combuf);
495	<	fflush(stdout);
477	>	oconvopts(ocopts);              /* get options */
478	>	if (octreedate < scenedate) {   /* check date on original octree */
479	>	if (touchonly && octreedate)
480	>	touch(vval(OCTREE));
481	>	else {                          /* build command */
482	>	if (vdef(MATERIAL))
483	>	sprintf(combuf, "oconv%s %s %s > %s", ocopts,
484	>	vval(MATERIAL), vval(SCENE),
485	>	vval(OCTREE));
486	>	else
487	>	sprintf(combuf, "oconv%s %s > %s", ocopts,
488	>	vval(SCENE), vval(OCTREE));
489	>
490	>	if (runcom(combuf)) {           /* run it */
491	>	fprintf(stderr,
492	>	"%s: error generating octree\n\t%s removed\n",
493	>	progname, vval(OCTREE));
494	>	unlink(vval(OCTREE));
495	>	quit(1);
496	>	}
497	>	}
498	>	octreedate = time((time_t *)NULL);
499	>	if (octreedate < scenedate)     /* in case clock is off */
500	>	octreedate = scenedate;
501		}
502	<	if (noaction)
502	>	if (oct1name == vval(OCTREE))           /* no mkillum? */
503	>	oct1date = octreedate > matdate ? octreedate : matdate;
504	>	if ((oct1date >= octreedate) & (oct1date >= matdate)
505	>	& (oct1date >= illumdate))      /* all done */
506		return;
507	<	if (system(combuf)) {           /* run it */
508	<	fprintf(stderr, "%s: error generating octree\n\t%s removed\n",
509	<	progname, vval(OCTREE));
510	<	unlink(vval(OCTREE));
511	<	exit(1);
507	>	/* make octree0 */
508	>	if ((oct0date < scenedate) | (oct0date < illumdate)) {
509	>	if (touchonly && oct0date)
510	>	touch(oct0name);
511	>	else {                          /* build command */
512	>	if (octreedate)
513	>	sprintf(combuf, "oconv%s -i %s %s > %s", ocopts,
514	>	vval(OCTREE), vval(ILLUM), oct0name);
515	>	else if (vdef(MATERIAL))
516	>	sprintf(combuf, "oconv%s %s %s > %s", ocopts,
517	>	vval(MATERIAL), vval(ILLUM), oct0name);
518	>	else
519	>	sprintf(combuf, "oconv%s %s > %s", ocopts,
520	>	vval(ILLUM), oct0name);
521	>	if (runcom(combuf)) {           /* run it */
522	>	fprintf(stderr,
523	>	"%s: error generating octree\n\t%s removed\n",
524	>	progname, oct0name);
525	>	unlink(oct0name);
526	>	quit(1);
527	>	}
528	>	}
529	>	oct0date = time((time_t *)NULL);
530	>	if (oct0date < octreedate)      /* in case clock is off */
531	>	oct0date = octreedate;
532	>	if (oct0date < illumdate)       /* ditto */
533	>	oct0date = illumdate;
534	>	}
535	>	if (touchonly && oct1date)
536	>	touch(oct1name);
537	>	else {
538	>	mkillumopts(mkopts);            /* build mkillum command */
539	>	mktemp(illumtmp);
540	>	sprintf(combuf, "mkillum%s %s \"<\" %s > %s", mkopts,
541	>	oct0name, vval(ILLUM), illumtmp);
542	>	if (runcom(combuf)) {                   /* run it */
543	>	fprintf(stderr, "%s: error running mkillum\n",
544	>	progname);
545	>	unlink(illumtmp);
546	>	quit(1);
547	>	}
548	>	/* make octree1 (frozen) */
549	>	if (octreedate)
550	>	sprintf(combuf, "oconv%s -f -i %s %s > %s", ocopts,
551	>	vval(OCTREE), illumtmp, oct1name);
552	>	else if (vdef(MATERIAL))
553	>	sprintf(combuf, "oconv%s -f %s %s > %s", ocopts,
554	>	vval(MATERIAL), illumtmp, oct1name);
555	>	else
556	>	sprintf(combuf, "oconv%s -f %s > %s", ocopts,
557	>	illumtmp, oct1name);
558	>	if (runcom(combuf)) {           /* run it */
559	>	fprintf(stderr,
560	>	"%s: error generating octree\n\t%s removed\n",
561	>	progname, oct1name);
562	>	unlink(oct1name);
563	>	unlink(illumtmp);
564	>	quit(1);
565	>	}
566	>	rmfile(illumtmp);
567		}
568	+	oct1date = time((time_t *)NULL);
569	+	if (oct1date < oct0date)        /* in case clock is off */
570	+	oct1date = oct0date;
571		}
572
573
574	<	char *
575	<	addarg(op, arg)                         /* add argument and advance pointer */
576	<	register char   *op, *arg;
574	>	static char *
575	>	addarg(                         /* add argument and advance pointer */
576	>	register char   *op,
577	>	register char   *arg
578	>	)
579		{
580		*op = ' ';
581	<	while (*++op = *arg++)
581	>	while ( (*++op = *arg++) )
582		;
583		return(op);
584		}
585
586
587	<	oconvopts(oo)                           /* get oconv options */
588	<	char    *oo;
587	>	static void
588	>	oconvopts(                              /* get oconv options */
589	>	register char   *oo
590	>	)
591		{
592	+	/* BEWARE:  This may be called via setdefaults(), so no assumptions */
593	+
594		*oo = '\0';
595		if (vdef(OCONV))
596		addarg(oo, vval(OCONV));
597		}
598
599
600	<	lowqopts(ro)                            /* low quality rendering options */
601	<	char    *ro;
600	>	static void
601	>	mkillumopts(                            /* get mkillum options */
602	>	register char   *mo
603	>	)
604		{
605	<	register char   *op = ro;
605	>	/* BEWARE:  This may be called via setdefaults(), so no assumptions */
606
607	+	*mo = '\0';
608	+	if (vdef(MKILLUM))
609	+	addarg(mo, vval(MKILLUM));
610	+	}
611	+
612	+
613	+	static void
614	+	checkambfile(void)                      /* check date on ambient file */
615	+	{
616	+	time_t  afdate;
617	+
618	+	if (!vdef(AMBFILE))
619	+	return;
620	+	if (!(afdate = fdate(vval(AMBFILE))))
621	+	return;
622	+	if (oct1date > afdate) {
623	+	if (touchonly)
624	+	touch(vval(AMBFILE));
625	+	else
626	+	rmfile(vval(AMBFILE));
627	+	}
628	+	}
629	+
630	+
631	+	static double
632	+	ambval(void)                            /* compute ambient value */
633	+	{
634	+	if (vdef(EXPOSURE)) {
635	+	if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
636	+	return(.5/pow(2.,vflt(EXPOSURE)));
637	+	return(.5/vflt(EXPOSURE));
638	+	}
639	+	if (vlet(ZONE) == 'E')
640	+	return(10.);
641	+	if (vlet(ZONE) == 'I')
642	+	return(.01);
643	+	badvalue(ZONE);
644	+	return 0; /* pro forma return */
645	+	}
646	+
647	+
648	+	static void
649	+	renderopts(                     /* set rendering options */
650	+	char    *op,
651	+	char    *po
652	+	)
653	+	{
654	+	switch(vscale(QUALITY)) {
655	+	case LOW:
656	+	lowqopts(op, po);
657	+	break;
658	+	case MEDIUM:
659	+	medqopts(op, po);
660	+	break;
661	+	case HIGH:
662	+	hiqopts(op, po);
663	+	break;
664	+	}
665	+	}
666	+
667	+
668	+	static void
669	+	lowqopts(                       /* low quality rendering options */
670	+	register char   *op,
671	+	char    *po
672	+	)
673	+	{
674	+	double  d, org[3], siz[3];
675	+
676		*op = '\0';
677	+	*po = '\0';
678	+	if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
679	+	&siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
680	+	badvalue(ZONE);
681	+	siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
682	+	if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
683	+	badvalue(ZONE);
684	+	getoctcube(org, &d);
685	+	d *= 3./(siz[0]+siz[1]+siz[2]);
686	+	switch (vscale(DETAIL)) {
687	+	case LOW:
688	+	po = addarg(po, "-ps 16");
689	+	op = addarg(op, "-dp 64");
690	+	sprintf(op, " -ar %d", (int)(8*d));
691	+	op += strlen(op);
692	+	break;
693	+	case MEDIUM:
694	+	po = addarg(po, "-ps 8");
695	+	op = addarg(op, "-dp 128");
696	+	sprintf(op, " -ar %d", (int)(16*d));
697	+	op += strlen(op);
698	+	break;
699	+	case HIGH:
700	+	po = addarg(po, "-ps 4");
701	+	op = addarg(op, "-dp 256");
702	+	sprintf(op, " -ar %d", (int)(32*d));
703	+	op += strlen(op);
704	+	break;
705	+	}
706	+	po = addarg(po, "-pt .16");
707	+	if (vbool(PENUMBRAS))
708	+	op = addarg(op, "-ds .4");
709	+	else
710	+	op = addarg(op, "-ds 0");
711	+	op = addarg(op, "-dt .2 -dc .25 -dr 0 -sj 0 -st .5");
712	+	if (vdef(AMBFILE)) {
713	+	sprintf(op, " -af %s", vval(AMBFILE));
714	+	op += strlen(op);
715	+	} else
716	+	overture = 0;
717	+	switch (vscale(VARIABILITY)) {
718	+	case LOW:
719	+	op = addarg(op, "-aa .3 -ad 256");
720	+	break;
721	+	case MEDIUM:
722	+	op = addarg(op, "-aa .25 -ad 512");
723	+	break;
724	+	case HIGH:
725	+	op = addarg(op, "-aa .2 -ad 1024");
726	+	break;
727	+	}
728	+	op = addarg(op, "-as 0");
729	+	d = ambval();
730	+	sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
731	+	op += strlen(op);
732	+	op = addarg(op, "-lr 6 -lw .01");
733		if (vdef(RENDER))
734		op = addarg(op, vval(RENDER));
735		}
736
737
738	<	medqopts(ro)                            /* medium quality rendering options */
739	<	char    *ro;
738	>	static void
739	>	medqopts(                       /* medium quality rendering options */
740	>	register char   *op,
741	>	char    *po
742	>	)
743		{
744	<	register char   *op = ro;
744	>	double  d, org[3], siz[3], asz;
745
746		*op = '\0';
747	+	*po = '\0';
748	+	if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
749	+	&siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
750	+	badvalue(ZONE);
751	+	siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
752	+	if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
753	+	badvalue(ZONE);
754	+	getoctcube(org, &d);
755	+	asz = (siz[0]+siz[1]+siz[2])/3.;
756	+	d /= asz;
757	+	switch (vscale(DETAIL)) {
758	+	case LOW:
759	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
760	+	op = addarg(op, "-dp 256");
761	+	sprintf(op, " -ar %d", (int)(16*d));
762	+	op += strlen(op);
763	+	sprintf(op, " -ms %.2g", asz/20.);
764	+	op += strlen(op);
765	+	break;
766	+	case MEDIUM:
767	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
768	+	op = addarg(op, "-dp 512");
769	+	sprintf(op, " -ar %d", (int)(32*d));
770	+	op += strlen(op);
771	+	sprintf(op, " -ms %.2g", asz/40.);
772	+	op += strlen(op);
773	+	break;
774	+	case HIGH:
775	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
776	+	op = addarg(op, "-dp 1024");
777	+	sprintf(op, " -ar %d", (int)(64*d));
778	+	op += strlen(op);
779	+	sprintf(op, " -ms %.2g", asz/80.);
780	+	op += strlen(op);
781	+	break;
782	+	}
783	+	po = addarg(po, "-pt .08");
784	+	if (vbool(PENUMBRAS))
785	+	op = addarg(op, "-ds .2 -dj .5");
786	+	else
787	+	op = addarg(op, "-ds .3");
788	+	op = addarg(op, "-dt .1 -dc .5 -dr 1 -sj .7 -st .1");
789	+	if ( (overture = vint(INDIRECT)) ) {
790	+	sprintf(op, " -ab %d", overture);
791	+	op += strlen(op);
792	+	}
793	+	if (vdef(AMBFILE)) {
794	+	sprintf(op, " -af %s", vval(AMBFILE));
795	+	op += strlen(op);
796	+	} else
797	+	overture = 0;
798	+	switch (vscale(VARIABILITY)) {
799	+	case LOW:
800	+	op = addarg(op, "-aa .2 -ad 329 -as 42");
801	+	break;
802	+	case MEDIUM:
803	+	op = addarg(op, "-aa .15 -ad 800 -as 128");
804	+	break;
805	+	case HIGH:
806	+	op = addarg(op, "-aa .1 -ad 1536 -as 392");
807	+	break;
808	+	}
809	+	d = ambval();
810	+	sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
811	+	op += strlen(op);
812	+	op = addarg(op, "-lr 8 -lw .002");
813		if (vdef(RENDER))
814		op = addarg(op, vval(RENDER));
815		}
816
817
818	<	hiqopts(ro)                             /* high quality rendering options */
819	<	char    *ro;
818	>	static void
819	>	hiqopts(                                /* high quality rendering options */
820	>	register char   *op,
821	>	char    *po
822	>	)
823		{
824	<	register char   *op = ro;
824	>	double  d, org[3], siz[3], asz;
825
826		*op = '\0';
827	+	*po = '\0';
828	+	if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
829	+	&siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
830	+	badvalue(ZONE);
831	+	siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
832	+	if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
833	+	badvalue(ZONE);
834	+	getoctcube(org, &d);
835	+	asz = (siz[0]+siz[1]+siz[2])/3.;
836	+	d /= asz;
837	+	switch (vscale(DETAIL)) {
838	+	case LOW:
839	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
840	+	op = addarg(op, "-dp 1024");
841	+	sprintf(op, " -ar %d", (int)(32*d));
842	+	op += strlen(op);
843	+	sprintf(op, " -ms %.2g", asz/40.);
844	+	op += strlen(op);
845	+	break;
846	+	case MEDIUM:
847	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
848	+	op = addarg(op, "-dp 2048");
849	+	sprintf(op, " -ar %d", (int)(64*d));
850	+	op += strlen(op);
851	+	sprintf(op, " -ms %.2g", asz/80.);
852	+	op += strlen(op);
853	+	break;
854	+	case HIGH:
855	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
856	+	op = addarg(op, "-dp 4096");
857	+	sprintf(op, " -ar %d", (int)(128*d));
858	+	op += strlen(op);
859	+	sprintf(op, " -ms %.2g", asz/160.);
860	+	op += strlen(op);
861	+	break;
862	+	}
863	+	po = addarg(po, "-pt .04");
864	+	if (vbool(PENUMBRAS))
865	+	op = addarg(op, "-ds .1 -dj .65");
866	+	else
867	+	op = addarg(op, "-ds .2");
868	+	op = addarg(op, "-dt .05 -dc .75 -dr 3 -sj 1 -st .01");
869	+	sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
870	+	op += strlen(op);
871	+	if (vdef(AMBFILE)) {
872	+	sprintf(op, " -af %s", vval(AMBFILE));
873	+	op += strlen(op);
874	+	} else
875	+	overture = 0;
876	+	switch (vscale(VARIABILITY)) {
877	+	case LOW:
878	+	op = addarg(op, "-aa .125 -ad 512 -as 64");
879	+	break;
880	+	case MEDIUM:
881	+	op = addarg(op, "-aa .1 -ad 1536 -as 768");
882	+	break;
883	+	case HIGH:
884	+	op = addarg(op, "-aa .075 -ad 4096 -as 2048");
885	+	break;
886	+	}
887	+	d = ambval();
888	+	sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
889	+	op += strlen(op);
890	+	op = addarg(op, "-lr 12 -lw .0005");
891		if (vdef(RENDER))
892		op = addarg(op, vval(RENDER));
893		}
894
895
896	<	xferopts(ro)                            /* transfer options if indicated */
897	<	char    *ro;
896	>	static void
897	>	xferopts(                               /* transfer options if indicated */
898	>	char    *ro
899	>	)
900		{
901		int     fd, n;
902	+	register char   *cp;
903
904		n = strlen(ro);
905		if (n < 2)
906		return;
907		if (vdef(OPTFILE)) {
908	<	if ((fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666)) == -1) {
909	<	perror(vval(OPTFILE));
910	<	exit(1);
911	<	}
912	<	if (write(fd, ro+1, n-1) != n-1) {
913	<	perror(vval(OPTFILE));
914	<	exit(1);
915	<	}
916	<	write(fd, "\n", 1);
917	<	close(fd);
918	<	ro[0] = ' ';
602	<	ro[1] = '^';
603	<	strcpy(ro+2, vval(OPTFILE));
908	>	for (cp = ro; cp[1]; cp++)
909	>	if (isspace(cp[1]) && (cp[2] == '@' ||
910	>	(cp[2] == '-' && isalpha(cp[3]))))
911	>	*cp = '\n';
912	>	else
913	>	*cp = cp[1];
914	>	*cp = '\n';
915	>	fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
916	>	if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
917	>	syserr(vval(OPTFILE));
918	>	sprintf(ro, " @%s", vval(OPTFILE));
919		}
920	<	#ifdef MSDOS
920	>	#ifdef _WIN32
921		else if (n > 50) {
922	<	register char   *evp = bmalloc(n+6);
608	<	if (evp == NULL) {
609	<	perror(progname);
610	<	exit(1);
611	<	}
612	<	strcpy(evp, "ROPT=");
613	<	strcat(evp, ro);
614	<	putenv(evp);
922	>	setenv("ROPT", ro+1);
923		strcpy(ro, " $ROPT");
924		}
925		#endif
926		}
927
928
929	<	pfiltopts(po)                           /* get pfilt options */
930	<	register char   *po;
929	>	static void
930	>	pfiltopts(                              /* get pfilt options */
931	>	register char   *po
932	>	)
933		{
934		*po = '\0';
935		if (vdef(EXPOSURE)) {
936		po = addarg(po, "-1 -e");
937		po = addarg(po, vval(EXPOSURE));
938		}
939	<	if (vscale(QUALITY) == HIGH)
940	<	po = addarg(po, "-r .65");
939	>	switch (vscale(QUALITY)) {
940	>	case MEDIUM:
941	>	po = addarg(po, "-r .6");
942	>	break;
943	>	case HIGH:
944	>	po = addarg(po, "-m .25");
945	>	break;
946	>	}
947		if (vdef(PFILT))
948		po = addarg(po, vval(PFILT));
949		}
950
951
952	<	matchword(s1, s2)                       /* match white-delimited words */
953	<	register char   *s1, *s2;
952	>	static int
953	>	matchword(                      /* match white-delimited words */
954	>	register char   *s1,
955	>	register char   *s2
956	>	)
957		{
958		while (isspace(*s1)) s1++;
959		while (isspace(*s2)) s2++;
#	Line 645 | Line 964 | register char  *s1, *s2;
964		}
965
966
967	<	char *
968	<	specview(vs)                            /* get proper view spec from vs */
969	<	register char   *vs;
967	>	static char *
968	>	specview(                               /* get proper view spec from vs */
969	>	register char   *vs
970	>	)
971		{
972	+	static char     vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
973	+	"-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
974		static char     viewopts[128];
975		register char   *cp;
976	<	int     xpos, ypos, zpos, viewtype;
977	<	int     exterior;
976	>	int     xpos, ypos, zpos, viewtype, upax;
977	>	register int    i;
978		double  cent[3], dim[3], mult, d;
979
980		if (vs == NULL || *vs == '-')
981		return(vs);
982	+	upax = 0;                       /* get the up vector */
983	+	if (vdef(UP)) {
984	+	if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
985	+	upax = 1-'X'+UPPER(vval(UP)[1]);
986	+	else
987	+	upax = 1-'X'+vlet(UP);
988	+	if ((upax < 1) | (upax > 3))
989	+	badvalue(UP);
990	+	if (vval(UP)[0] == '-')
991	+	upax = -upax;
992	+	}
993		/* check standard view names */
994		xpos = ypos = zpos = 0;
662	–	viewtype = 0;
995		if (*vs == 'X') {
996		xpos = 1; vs++;
997		} else if (*vs == 'x') {
#	Line 675 | Line 1007 | register char  *vs;
1007		} else if (*vs == 'z') {
1008		zpos = -1; vs++;
1009		}
1010	<	if (*vs == 'v' | *vs == 'l' | *vs == 'a' | *vs == 'h')
1010	>	viewtype = 'v';
1011	>	if((*vs == 'v') | (*vs == 'l') | (*vs == 'a') | (*vs == 'h') | (*vs == 'c'))
1012		viewtype = *vs++;
680	–	else if (!*vs || isspace(*vs))
681	–	viewtype = 'v';
1013		cp = viewopts;
1014	<	if (viewtype && (xpos|ypos|zpos)) {     /* got standard view */
1014	>	if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) {       /* got one! */
1015		*cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
1016		if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
1017		&cent[0], &dim[0], &cent[1], &dim[1],
1018	<	&cent[2], &dim[2]) != 6) {
1019	<	fprintf(stderr, "%s: bad zone specification\n",
1020	<	progname);
1021	<	exit(1);
1018	>	&cent[2], &dim[2]) != 6)
1019	>	badvalue(ZONE);
1020	>	for (i = 0; i < 3; i++) {
1021	>	dim[i] -= cent[i];
1022	>	if (dim[i] <= FTINY)
1023	>	badvalue(ZONE);
1024	>	cent[i] += .5*dim[i];
1025		}
1026	<	dim[0] -= cent[0];
693	<	dim[1] -= cent[1];
694	<	dim[2] -= cent[2];
695	<	exterior = vlet(ZONE) == 'E';
696	<	mult = exterior ? 2. : .45 ;
1026	>	mult = vlet(ZONE)=='E' ? 2. : .45 ;
1027		sprintf(cp, " -vp %.2g %.2g %.2g -vd %.2g %.2g %.2g",
1028		cent[0]+xpos*mult*dim[0],
1029		cent[1]+ypos*mult*dim[1],
1030		cent[2]+zpos*mult*dim[2],
1031		-xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
1032		cp += strlen(cp);
1033	<	switch (vlet(UP)) {
1034	<	case 'Z':
1035	<	if (xpos|ypos) {
1036	<	cp = addarg(cp, "-vu 0 0 1");
1037	<	break;
1038	<	}
1039	<	/* fall through */
710	<	case 'Y':
711	<	if (xpos|zpos) {
712	<	cp = addarg(cp, "-vu 0 1 0");
713	<	break;
714	<	}
715	<	/* fall through */
716	<	case 'X':
717	<	if (ypos|zpos)
718	<	cp = addarg(cp, "-vu 1 0 0");
719	<	else
720	<	cp = addarg(cp, "-vu 0 0 1");
1033	>	/* redirect up axis if necessary */
1034	>	switch (upax) {
1035	>	case 3:                 /* plus or minus Z axis */
1036	>	case -3:
1037	>	case 0:
1038	>	if (!(xpos|ypos))
1039	>	upax = 2;
1040		break;
1041	<	default:
1042	<	fprintf(stderr, "%s: illegal value for variable '%s'\n",
1043	<	progname, vnam(UP));
1044	<	exit(1);
1041	>	case 2:                 /* plus or minus Y axis */
1042	>	case -2:
1043	>	if (!(xpos|zpos))
1044	>	upax = 1;
1045	>	break;
1046	>	case 1:                 /* plus or minus X axis */
1047	>	case -1:
1048	>	if (!(ypos|zpos))
1049	>	upax = 3;
1050	>	break;
1051		}
1052	+	cp = addarg(cp, vup[upax+3]);
1053		switch (viewtype) {
1054		case 'v':
1055		cp = addarg(cp, "-vh 45 -vv 45");
#	Line 737 | Line 1063 | register char  *vs;
1063		case 'h':
1064		cp = addarg(cp, "-vh 180 -vv 180");
1065		break;
1066	+	case 'c':
1067	+	cp = addarg(cp, "-vh 180 -vv 90");
1068	+	break;
1069		}
1070	<	} else
1071	<	while (*vs && !isspace(*vs))    /* else skip id */
1072	<	vs++;
1073	<	/* append any additional options */
1074	<	while (isspace(*vs)) vs++;
1070	>	} else {
1071	>	while (!isspace(*vs))           /* else skip id */
1072	>	if (!*vs++)
1073	>	return(NULL);
1074	>	if (upax) {                     /* specify up vector */
1075	>	strcpy(cp, vup[upax+3]);
1076	>	cp += strlen(cp);
1077	>	}
1078	>	}
1079	>	if (cp == viewopts)             /* append any additional options */
1080	>	vs++;           /* skip prefixed space if unneeded */
1081		strcpy(cp, vs);
1082	+	#ifdef _WIN32
1083	+	if (strlen(viewopts) > 40) {
1084	+	setenv("VIEW", viewopts);
1085	+	return("$VIEW");
1086	+	}
1087	+	#endif
1088		return(viewopts);
1089		}
1090
1091
1092	<	char *
1093	<	getview(n, vn)                          /* get view n, or NULL if none */
1094	<	int     n;
1095	<	char    *vn;
1092	>	static char *
1093	>	getview(                                /* get view n, or NULL if none */
1094	>	int     n,
1095	>	char    *vn             /* returned view name */
1096	>	)
1097		{
1098		register char   *mv;
1099
1100	<	if (viewselect != NULL) {
1100	>	if (viewselect != NULL) {               /* command-line selected */
1101		if (n)                          /* only do one */
1102		return(NULL);
1103		if (viewselect[0] == '-') {     /* already specified */
#	Line 768 | Line 1110 | char   *vn;
1110		;
1111		*vn = '\0';
1112		}
1113	+	/* view number? */
1114	+	if (isint(viewselect))
1115	+	return(specview(nvalue(VIEWS, atoi(viewselect)-1)));
1116		/* check list */
1117	<	while ((mv = nvalue(vv+VIEW, n++)) != NULL)
1117	>	while ((mv = nvalue(VIEWS, n++)) != NULL)
1118		if (matchword(viewselect, mv))
1119		return(specview(mv));
1120		return(specview(viewselect));   /* standard view? */
1121		}
1122	<	if (vn != NULL && (mv = nvalue(vv+VIEW, n)) != NULL) {
1123	<	if (*mv != '-')
1124	<	while (*mv && !isspace(*mv))
1125	<	*vn++ = *mv++;
1122	>	mv = nvalue(VIEWS, n);          /* use view n */
1123	>	if ((vn != NULL) & (mv != NULL)) {
1124	>	register char   *mv2 = mv;
1125	>	if (*mv2 != '-')
1126	>	while (*mv2 && !isspace(*mv2))
1127	>	*vn++ = *mv2++;
1128		*vn = '\0';
1129		}
1130	<	return(specview(nvalue(vv+VIEW, n)));   /* use view n */
1130	>	return(specview(mv));
1131		}
1132
1133
1134	<	rview(opts)                             /* run rview with first view */
1135	<	char    *opts;
1134	>	static int
1135	>	myprintview(                    /* print out selected view */
1136	>	register char   *vopts,
1137	>	FILE    *fp
1138	>	)
1139		{
1140	<	char    combuf[512];
1140	>	VIEW    vwr;
1141	>	char    buf[128];
1142	>	register char   *cp;
1143	>	if (vopts == NULL)
1144	>	return(-1);
1145	>	#ifdef _WIN32
1146	>	if (vopts[0] == '$') {
1147	>	vopts = getenv(vopts+1);
1148	>	goto again;
1149	>	}
1150	>	#endif
1151	>	vwr = stdview;
1152	>	sscanview(&vwr, cp=vopts);              /* set initial options */
1153	>	while ((cp = strstr(cp, "-vf ")) != NULL &&
1154	>	*atos(buf, sizeof(buf), cp += 4)) {
1155	>	viewfile(buf, &vwr, NULL);      /* load -vf file */
1156	>	sscanview(&vwr, cp);            /* reset tail */
1157	>	}
1158	>	fputs(VIEWSTR, fp);
1159	>	fprintview(&vwr, fp);                   /* print full spec. */
1160	>	fputc('\n', fp);
1161	>	return(0);
1162	>	}
1163	>
1164	>
1165	>	static void
1166	>	rvu(                            /* run rvu with first view */
1167	>	char    *opts,
1168	>	char    *po
1169	>	)
1170	>	{
1171	>	char    *vw;
1172	>	char    combuf[PATH_MAX];
1173		/* build command */
1174	<	sprintf(combuf, "rview %s%s ", getview(0, NULL), opts);
1174	>	if (touchonly || (vw = getview(0, NULL)) == NULL)
1175	>	return;
1176	>	if (sayview)
1177	>	myprintview(vw, stdout);
1178	>	sprintf(combuf, "rvu %s%s%s -R %s ", vw, po, opts, rifname);
1179		if (rvdevice != NULL)
1180		sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1181	<	strcat(combuf, vval(OCTREE));
1182	<	if (!silent) {                  /* echo it */
1183	<	printf("\t%s\n", combuf);
1184	<	fflush(stdout);
1181	>	if (vdef(EXPOSURE))
1182	>	sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1183	>	strcat(combuf, oct1name);
1184	>	if (runcom(combuf)) {           /* run it */
1185	>	fprintf(stderr, "%s: error running rvu\n", progname);
1186	>	quit(1);
1187		}
800	–	if (noaction)
801	–	return;
802	–	if (system(combuf)) {           /* run it */
803	–	fprintf(stderr, "%s: error running rview\n", progname);
804	–	exit(1);
805	–	}
1188		}
1189
1190
1191	<	rpict(opts)                             /* run rpict and pfilt for each view */
1192	<	char    *opts;
1191	>	static void
1192	>	rpict(                          /* run rpict and pfilt for each view */
1193	>	char    *opts,
1194	>	char    *po
1195	>	)
1196		{
1197	<	char    combuf[512];
1198	<	char    rawfile[MAXPATH], picfile[MAXPATH], rep[MAXPATH], res[32];
1199	<	char    pfopts[64];
1197	>	char    combuf[PATH_MAX];
1198	>	char    rawfile[PATH_MAX], picfile[PATH_MAX];
1199	>	char    zopt[PATH_MAX+4], rep[PATH_MAX+16], res[32];
1200	>	char    rppopt[128], *pfile = NULL;
1201	>	char    pfopts[128];
1202		char    vs[32], *vw;
1203		int     vn, mult;
1204	+	FILE    *fp;
1205	+	time_t  rfdt, pfdt;
1206		/* get pfilt options */
1207		pfiltopts(pfopts);
1208		/* get resolution, reporting */
1209	<	mult = vscale(QUALITY)+1;
1209	>	switch (vscale(QUALITY)) {
1210	>	case LOW:
1211	>	mult = 1;
1212	>	break;
1213	>	case MEDIUM:
1214	>	mult = 2;
1215	>	break;
1216	>	case HIGH:
1217	>	mult = 3;
1218	>	break;
1219	>	}
1220		{
1221		int     xres, yres;
1222		double  aspect;
#	Line 829 | Line 1228 | char   *opts;
1228		else if (n) {
1229		if (n == 1) yres = xres;
1230		sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1231	<	} else {
1232	<	fprintf(stderr, "%s: bad value for variable '%s'\n",
834	<	progname, vnam(RESOLUTION));
835	<	exit(1);
836	<	}
1231	>	} else
1232	>	badvalue(RESOLUTION);
1233		}
1234		rep[0] = '\0';
1235		if (vdef(REPORT)) {
#	Line 844 | Line 1240 | char   *opts;
1240		sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1241		else if (n == 1)
1242		sprintf(rep, " -t %d", (int)(minutes*60));
1243	<	else {
1244	<	fprintf(stderr, "%s: bad value for variable '%s'\n",
849	<	progname, vnam(REPORT));
850	<	exit(1);
851	<	}
1243	>	else
1244	>	badvalue(REPORT);
1245		}
1246	<	/* do each view */
1247	<	vn = 0;
1246	>	/* set up parallel rendering */
1247	>	if ((nprocs > 1) & (!vdef(ZFILE))) {
1248	>	strcpy(rppopt, "-S 1 -PP pfXXXXXX");
1249	>	pfile = rppopt+9;
1250	>	if (mktemp(pfile) == NULL)
1251	>	pfile = NULL;
1252	>	}
1253	>	vn = 0;                                 /* do each view */
1254		while ((vw = getview(vn++, vs)) != NULL) {
1255	+	if (sayview)
1256	+	myprintview(vw, stdout);
1257		if (!vs[0])
1258		sprintf(vs, "%d", vn);
1259		sprintf(picfile, "%s_%s.pic", vval(PICTURE), vs);
1260	+	if (vdef(ZFILE))
1261	+	sprintf(zopt, " -z %s_%s.zbf", vval(ZFILE), vs);
1262	+	else
1263	+	zopt[0] = '\0';
1264		/* check date on picture */
1265	<	if (fdate(picfile) > octreedate)
1265	>	pfdt = fdate(picfile);
1266	>	if (pfdt >= oct1date)
1267		continue;
1268	+	/* get raw file name */
1269	+	sprintf(rawfile, "%s_%s.unf",
1270	+	vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE), vs);
1271	+	rfdt = fdate(rawfile);
1272	+	if (touchonly) {                /* update times only */
1273	+	if (rfdt) {
1274	+	if (rfdt < oct1date)
1275	+	touch(rawfile);
1276	+	} else if (pfdt && pfdt < oct1date)
1277	+	touch(picfile);
1278	+	continue;
1279	+	}
1280	+	if (next_process()) {           /* parallel running? */
1281	+	if (pfile != NULL)
1282	+	sleep(20);
1283	+	continue;
1284	+	}
1285	+	/* XXX Remember to call finish_process() */
1286		/* build rpict command */
1287	<	sprintf(rawfile, "%s_%s.raw", vval(PICTURE), vs);
1288	<	if (fdate(rawfile) > octreedate)        /* recover */
1289	<	sprintf(combuf, "rpict%s%s -ro %s %s",
1290	<	rep, opts, rawfile, vval(OCTREE));
1291	<	else {
1287	>	if (rfdt >= oct1date) {         /* recover */
1288	>	sprintf(combuf, "rpict%s%s%s%s -ro %s %s",
1289	>	rep, po, opts, zopt, rawfile, oct1name);
1290	>	if (runcom(combuf))     /* run rpict */
1291	>	goto rperror;
1292	>	} else {
1293		if (overture) {         /* run overture calculation */
1294		sprintf(combuf,
1295		"rpict%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1296		rep, vw, opts,
1297	<	vval(OCTREE), rawfile);
1298	<	if (!silent) {
874	<	printf("\t%s\n", combuf);
875	<	fflush(stdout);
876	<	}
877	<	if (!noaction && system(combuf)) {
1297	>	oct1name, overfile);
1298	>	if (runcom(combuf)) {
1299		fprintf(stderr,
1300	<	"%s: error in overture for view %s\n\t%s removed\n",
1301	<	progname, vs, rawfile);
1302	<	unlink(rawfile);
882	<	exit(1);
1300	>	"%s: error in overture for view %s\n",
1301	>	progname, vs);
1302	>	quit(1);
1303		}
1304	+	#ifndef NULL_DEVICE
1305	+	rmfile(overfile);
1306	+	#endif
1307		}
1308	<	sprintf(combuf, "rpict%s %s %s%s %s > %s",
1309	<	rep, vw, res, opts,
1310	<	vval(OCTREE), rawfile);
1308	>	sprintf(combuf, "rpict%s %s %s%s%s%s %s > %s",
1309	>	rep, vw, res, po, opts,
1310	>	zopt, oct1name, rawfile);
1311	>	if (pfile != NULL && inchild()) {
1312	>	/* rpict persistent mode */
1313	>	if (!silent)
1314	>	printf("\t%s\n", combuf);
1315	>	sprintf(combuf, "rpict%s %s %s%s%s %s > %s",
1316	>	rep, rppopt, res, po, opts,
1317	>	oct1name, rawfile);
1318	>	fflush(stdout);
1319	>	fp = popen(combuf, "w");
1320	>	if (fp == NULL)
1321	>	goto rperror;
1322	>	myprintview(vw, fp);
1323	>	if (pclose(fp))
1324	>	goto rperror;
1325	>	} else {                /* rpict normal mode */
1326	>	if (runcom(combuf))
1327	>	goto rperror;
1328	>	}
1329		}
1330	<	if (!silent) {                  /* echo rpict command */
890	<	printf("\t%s\n", combuf);
891	<	fflush(stdout);
892	<	}
893	<	if (!noaction && system(combuf)) {      /* run rpict */
894	<	fprintf(stderr, "%s: error rendering view %s\n",
895	<	progname, vs);
896	<	exit(1);
897	<	}
1330	>	if (!vdef(RAWFILE) || strcmp(vval(RAWFILE),vval(PICTURE))) {
1331		/* build pfilt command */
1332	<	if (mult > 1)
1333	<	sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1332	>	if (mult > 1)
1333	>	sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1334		pfopts, mult, mult, rawfile, picfile);
1335	<	else
1336	<	sprintf(combuf, "pfilt%s %s > %s", pfopts,
1337	<	rawfile, picfile);
1338	<	if (!silent) {                  /* echo pfilt command */
1339	<	printf("\t%s\n", combuf);
1340	<	fflush(stdout);
1335	>	else
1336	>	sprintf(combuf, "pfilt%s %s > %s", pfopts,
1337	>	rawfile, picfile);
1338	>	if (runcom(combuf)) {   /* run pfilt */
1339	>	fprintf(stderr,
1340	>	"%s: error filtering view %s\n\t%s removed\n",
1341	>	progname, vs, picfile);
1342	>	unlink(picfile);
1343	>	quit(1);
1344	>	}
1345		}
1346	<	if (!noaction && system(combuf)) {      /* run pfilt */
1347	<	fprintf(stderr,
1348	<	"%s: error filtering view %s\n\t%s removed\n",
1349	<	progname, vs, picfile);
1350	<	unlink(picfile);
1351	<	exit(1);
1346	>	/* remove/rename raw file */
1347	>	if (vdef(RAWFILE)) {
1348	>	sprintf(combuf, "%s_%s.pic", vval(RAWFILE), vs);
1349	>	mvfile(rawfile, combuf);
1350	>	} else
1351	>	rmfile(rawfile);
1352	>	finish_process();               /* exit if child */
1353	>	}
1354	>	wait_process(1);                /* wait for children to finish */
1355	>	if (pfile != NULL) {            /* clean up rpict persistent mode */
1356	>	int     pid;
1357	>	fp = fopen(pfile, "r");
1358	>	if (fp != NULL) {
1359	>	if (fscanf(fp, "%*s %d", &pid) != 1 ||
1360	>	kill(pid, 1) < 0)
1361	>	unlink(pfile);
1362	>	fclose(fp);
1363		}
1364	<	/* remove raw file */
1365	<	if (!silent)
1366	<	#ifdef MSDOS
1367	<	printf("\tdel %s\n", rawfile);
1368	<	#else
1369	<	printf("\trm %s\n", rawfile);
1364	>	}
1365	>	return;
1366	>	rperror:
1367	>	fprintf(stderr, "%s: error rendering view %s\n", progname, vs);
1368	>	quit(1);
1369	>	}
1370	>
1371	>
1372	>	static int
1373	>	touch(                  /* update a file */
1374	>	char    *fn
1375	>	)
1376	>	{
1377	>	if (!silent)
1378	>	printf("\ttouch %s\n", fn);
1379	>	if (!nprocs)
1380	>	return(0);
1381	>	#ifdef notused
1382	>	if (access(fn, F_OK) == -1)             /* create it */
1383	>	if (close(open(fn, O_WRONLY|O_CREAT, 0666)) == -1)
1384	>	return(-1);
1385		#endif
1386	<	if (!noaction)
1387	<	unlink(rawfile);
1386	>	return(setfdate(fn, time((time_t *)NULL)));
1387	>	}
1388	>
1389	>
1390	>	static int
1391	>	runcom(                 /* run command */
1392	>	char    *cs
1393	>	)
1394	>	{
1395	>	if (!silent)            /* echo it */
1396	>	printf("\t%s\n", cs);
1397	>	if (!nprocs)
1398	>	return(0);
1399	>	fflush(stdout);         /* flush output and pass to shell */
1400	>	return(system(cs));
1401	>	}
1402	>
1403	>
1404	>	static int
1405	>	rmfile(                 /* remove a file */
1406	>	char    *fn
1407	>	)
1408	>	{
1409	>	if (!silent)
1410	>	printf("\t%s %s\n", DELCMD, fn);
1411	>	if (!nprocs)
1412	>	return(0);
1413	>	return(unlink(fn));
1414	>	}
1415	>
1416	>
1417	>	static int
1418	>	mvfile(         /* move a file */
1419	>	char    *fold,
1420	>	char    *fnew
1421	>	)
1422	>	{
1423	>	if (!silent)
1424	>	printf("\t%s %s %s\n", RENAMECMD, fold, fnew);
1425	>	if (!nprocs)
1426	>	return(0);
1427	>	return(rename(fold, fnew));
1428	>	}
1429	>
1430	>
1431	>	#ifdef RHAS_FORK_EXEC
1432	>	static int
1433	>	next_process(void)                      /* fork the next process (max. nprocs) */
1434	>	{
1435	>	int     child_pid;
1436	>
1437	>	if (nprocs <= 1)
1438	>	return(0);              /* it's us or no one */
1439	>	if (inchild()) {
1440	>	fprintf(stderr, "%s: internal error 1 in next_process()\n",
1441	>	progname);
1442	>	quit(1);
1443		}
1444	+	if (children_running >= nprocs)
1445	+	wait_process(0);        /* wait for someone to finish */
1446	+	fflush(stdout);
1447	+	child_pid = fork();             /* split process */
1448	+	if (child_pid == 0) {           /* we're the child */
1449	+	children_running = -1;
1450	+	return(0);
1451	+	}
1452	+	if (child_pid > 0) {            /* we're the parent */
1453	+	++children_running;
1454	+	return(1);
1455	+	}
1456	+	fprintf(stderr, "%s: warning -- fork() failed\n", progname);
1457	+	return(0);
1458	+	}
1459	+
1460	+	static void
1461	+	wait_process(                   /* wait for process(es) to finish */
1462	+	int     all
1463	+	)
1464	+	{
1465	+	int     ourstatus = 0;
1466	+	int     pid, status;
1467	+
1468	+	if (all)
1469	+	all = children_running;
1470	+	else if (children_running > 0)
1471	+	all = 1;
1472	+	while (all-- > 0) {
1473	+	pid = wait(&status);
1474	+	if (pid < 0)
1475	+	syserr(progname);
1476	+	status = status>>8 & 0xff;
1477	+	--children_running;
1478	+	if (status != 0) {      /* child's problem is our problem */
1479	+	if ((ourstatus == 0) & (children_running > 0))
1480	+	fprintf(stderr, "%s: waiting for remaining processes\n",
1481	+	progname);
1482	+	ourstatus = status;
1483	+	all = children_running;
1484	+	}
1485	+	}
1486	+	if (ourstatus != 0)
1487	+	quit(ourstatus);        /* bad status from child */
1488	+	}
1489	+	#else   /* ! RHAS_FORK_EXEC */
1490	+	static int
1491	+	next_process(void)
1492	+	{
1493	+	return(0);                      /* cannot start new process */
1494	+	}
1495	+	static void
1496	+	wait_process(all)
1497	+	int     all;
1498	+	{
1499	+	(void)all;                      /* no one to wait for */
1500	+	}
1501	+	int
1502	+	kill(pid, sig) /* win|unix_process.c should also wait and kill */
1503	+	int pid, sig;
1504	+	{
1505	+	return 0;
1506	+	}
1507	+	#endif  /* ! RHAS_FORK_EXEC */
1508	+
1509	+	static void
1510	+	finish_process(void)                    /* exit a child process */
1511	+	{
1512	+	if (!inchild())
1513	+	return;                 /* in parent -- noop */
1514	+	exit(0);
1515	+	}
1516	+
1517	+	#ifdef _WIN32
1518	+	setenv(vname, value)            /* set an environment variable */
1519	+	char    *vname, *value;
1520	+	{
1521	+	register char   *evp;
1522	+
1523	+	evp = bmalloc(strlen(vname)+strlen(value)+2);
1524	+	if (evp == NULL)
1525	+	syserr(progname);
1526	+	sprintf(evp, "%s=%s", vname, value);
1527	+	if (putenv(evp) != 0) {
1528	+	fprintf(stderr, "%s: out of environment space\n", progname);
1529	+	quit(1);
1530	+	}
1531	+	if (!silent)
1532	+	printf("set %s\n", evp);
1533	+	}
1534	+	#endif
1535	+
1536	+
1537	+	static void
1538	+	badvalue(                       /* report bad variable value and exit */
1539	+	int     vc
1540	+	)
1541	+	{
1542	+	fprintf(stderr, "%s: bad value for variable '%s'\n",
1543	+	progname, vnam(vc));
1544	+	quit(1);
1545	+	}
1546	+
1547	+
1548	+	static void
1549	+	syserr(                 /* report a system error and exit */
1550	+	char    *s
1551	+	)
1552	+	{
1553	+	perror(s);
1554	+	quit(1);
1555	+	}
1556	+
1557	+
1558	+	void
1559	+	quit(ec)                        /* exit program */
1560	+	int     ec;
1561	+	{
1562	+	exit(ec);
1563		}

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