| 1 |
greg |
2.1 |
#ifndef lint
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| 2 |
schorsch |
2.3 |
static const char RCSid[] = "$Id: rvmain.c,v 2.2 2003/02/25 02:47:23 greg Exp $";
|
| 3 |
greg |
2.1 |
#endif
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| 4 |
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/*
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| 5 |
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* rvmain.c - main for rview interactive viewer
|
| 6 |
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*/
|
| 7 |
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| 8 |
greg |
2.2 |
#include "copyright.h"
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| 9 |
greg |
2.1 |
|
| 10 |
schorsch |
2.3 |
#include <signal.h>
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| 11 |
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| 12 |
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#include "platform.h"
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| 13 |
greg |
2.1 |
#include "ray.h"
|
| 14 |
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#include "source.h"
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| 15 |
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#include "ambient.h"
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| 16 |
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#include "random.h"
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| 17 |
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#include "paths.h"
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| 18 |
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#include "view.h"
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| 19 |
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| 20 |
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char *progname; /* argv[0] */
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| 21 |
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| 22 |
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char *octname; /* octree name */
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| 23 |
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| 24 |
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char *sigerr[NSIG]; /* signal error messages */
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| 25 |
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| 26 |
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char *shm_boundary = NULL; /* boundary of shared memory */
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| 27 |
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| 28 |
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char *errfile = NULL; /* error output file */
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| 29 |
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| 30 |
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extern int greyscale; /* map colors to brightness? */
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| 31 |
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extern char *dvcname; /* output device name */
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| 32 |
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extern double exposure; /* exposure compensation */
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| 33 |
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| 34 |
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extern VIEW ourview; /* viewing parameters */
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| 35 |
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| 36 |
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extern char rifname[]; /* rad input file name */
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| 37 |
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| 38 |
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extern int hresolu; /* horizontal resolution */
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| 39 |
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extern int vresolu; /* vertical resolution */
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| 40 |
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| 41 |
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extern int psample; /* pixel sample size */
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| 42 |
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extern double maxdiff; /* max. sample difference */
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| 43 |
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| 44 |
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void onsig();
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| 45 |
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void sigdie();
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| 46 |
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void printdefaults();
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| 47 |
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| 48 |
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| 49 |
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int
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| 50 |
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main(argc, argv)
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| 51 |
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int argc;
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| 52 |
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char *argv[];
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| 53 |
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{
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| 54 |
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#define check(ol,al) if (argv[i][ol] || \
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| 55 |
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badarg(argc-i-1,argv+i+1,al)) \
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| 56 |
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goto badopt
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| 57 |
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#define bool(olen,var) switch (argv[i][olen]) { \
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| 58 |
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case '\0': var = !var; break; \
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| 59 |
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case 'y': case 'Y': case 't': case 'T': \
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| 60 |
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case '+': case '1': var = 1; break; \
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| 61 |
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case 'n': case 'N': case 'f': case 'F': \
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| 62 |
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case '-': case '0': var = 0; break; \
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| 63 |
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default: goto badopt; }
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| 64 |
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char *err;
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| 65 |
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int rval;
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| 66 |
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int i;
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| 67 |
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/* global program name */
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| 68 |
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progname = argv[0] = fixargv0(argv[0]);
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| 69 |
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/* option city */
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| 70 |
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for (i = 1; i < argc; i++) {
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| 71 |
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/* expand arguments */
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| 72 |
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while ((rval = expandarg(&argc, &argv, i)) > 0)
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| 73 |
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;
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| 74 |
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if (rval < 0) {
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| 75 |
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sprintf(errmsg, "cannot expand '%s'", argv[i]);
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| 76 |
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error(SYSTEM, errmsg);
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| 77 |
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}
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| 78 |
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if (argv[i] == NULL || argv[i][0] != '-')
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| 79 |
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break; /* break from options */
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| 80 |
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if (!strcmp(argv[i], "-version")) {
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| 81 |
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puts(VersionID);
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| 82 |
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quit(0);
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| 83 |
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}
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| 84 |
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if (!strcmp(argv[i], "-defaults") ||
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| 85 |
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!strcmp(argv[i], "-help")) {
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| 86 |
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printdefaults();
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| 87 |
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quit(0);
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| 88 |
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}
|
| 89 |
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if (!strcmp(argv[i], "-devices")) {
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| 90 |
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printdevices();
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| 91 |
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quit(0);
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| 92 |
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}
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| 93 |
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rval = getrenderopt(argc-i, argv+i);
|
| 94 |
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if (rval >= 0) {
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| 95 |
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i += rval;
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| 96 |
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continue;
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| 97 |
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}
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| 98 |
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rval = getviewopt(&ourview, argc-i, argv+i);
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| 99 |
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if (rval >= 0) {
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| 100 |
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i += rval;
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| 101 |
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continue;
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| 102 |
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}
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| 103 |
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switch (argv[i][1]) {
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| 104 |
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case 'v': /* view file */
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| 105 |
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if (argv[i][2] != 'f')
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| 106 |
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goto badopt;
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| 107 |
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check(3,"s");
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| 108 |
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rval = viewfile(argv[++i], &ourview, NULL);
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| 109 |
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if (rval < 0) {
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| 110 |
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sprintf(errmsg,
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| 111 |
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"cannot open view file \"%s\"",
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| 112 |
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argv[i]);
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| 113 |
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error(SYSTEM, errmsg);
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| 114 |
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} else if (rval == 0) {
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| 115 |
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sprintf(errmsg,
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| 116 |
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"bad view file \"%s\"",
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| 117 |
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argv[i]);
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| 118 |
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error(USER, errmsg);
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| 119 |
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}
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| 120 |
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break;
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| 121 |
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case 'b': /* grayscale */
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| 122 |
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bool(2,greyscale);
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| 123 |
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break;
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| 124 |
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case 'p': /* pixel */
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| 125 |
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switch (argv[i][2]) {
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| 126 |
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case 's': /* sample */
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| 127 |
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check(3,"i");
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| 128 |
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psample = atoi(argv[++i]);
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| 129 |
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break;
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| 130 |
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case 't': /* threshold */
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| 131 |
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check(3,"f");
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| 132 |
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maxdiff = atof(argv[++i]);
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| 133 |
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break;
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| 134 |
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case 'e': /* exposure */
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| 135 |
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check(3,"f");
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| 136 |
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exposure = atof(argv[++i]);
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| 137 |
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if (argv[i][0] == '+' || argv[i][0] == '-')
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| 138 |
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exposure = pow(2.0, exposure);
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| 139 |
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break;
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| 140 |
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default:
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| 141 |
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goto badopt;
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| 142 |
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}
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| 143 |
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break;
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| 144 |
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case 'w': /* warnings */
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| 145 |
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rval = erract[WARNING].pf != NULL;
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| 146 |
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bool(2,rval);
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| 147 |
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if (rval) erract[WARNING].pf = wputs;
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| 148 |
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else erract[WARNING].pf = NULL;
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| 149 |
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break;
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| 150 |
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case 'e': /* error file */
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| 151 |
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check(2,"s");
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| 152 |
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errfile = argv[++i];
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| 153 |
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break;
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| 154 |
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case 'o': /* output device */
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| 155 |
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check(2,"s");
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| 156 |
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dvcname = argv[++i];
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| 157 |
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break;
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| 158 |
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case 'R': /* render input file */
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| 159 |
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check(2,"s");
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| 160 |
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strcpy(rifname, argv[++i]);
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| 161 |
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break;
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| 162 |
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default:
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| 163 |
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goto badopt;
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| 164 |
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}
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| 165 |
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}
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| 166 |
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err = setview(&ourview); /* set viewing parameters */
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| 167 |
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if (err != NULL)
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| 168 |
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error(USER, err);
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| 169 |
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/* initialize object types */
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| 170 |
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initotypes();
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| 171 |
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/* initialize urand */
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| 172 |
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initurand(2048);
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| 173 |
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/* set up signal handling */
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| 174 |
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sigdie(SIGINT, "Interrupt");
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| 175 |
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sigdie(SIGHUP, "Hangup");
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| 176 |
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sigdie(SIGTERM, "Terminate");
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| 177 |
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sigdie(SIGPIPE, "Broken pipe");
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| 178 |
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sigdie(SIGALRM, "Alarm clock");
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| 179 |
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#ifdef SIGXCPU
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| 180 |
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sigdie(SIGXCPU, "CPU limit exceeded");
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| 181 |
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sigdie(SIGXFSZ, "File size exceeded");
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| 182 |
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#endif
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| 183 |
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/* open error file */
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| 184 |
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if (errfile != NULL) {
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| 185 |
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if (freopen(errfile, "a", stderr) == NULL)
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| 186 |
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quit(2);
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| 187 |
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fprintf(stderr, "**************\n*** PID %5d: ",
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| 188 |
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getpid());
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| 189 |
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printargs(argc, argv, stderr);
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| 190 |
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putc('\n', stderr);
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| 191 |
|
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fflush(stderr);
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| 192 |
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}
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| 193 |
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#ifdef NICE
|
| 194 |
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nice(NICE); /* lower priority */
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| 195 |
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#endif
|
| 196 |
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/* get octree */
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| 197 |
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if (i == argc)
|
| 198 |
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octname = NULL;
|
| 199 |
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else if (i == argc-1)
|
| 200 |
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octname = argv[i];
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| 201 |
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else
|
| 202 |
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goto badopt;
|
| 203 |
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if (octname == NULL)
|
| 204 |
|
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error(USER, "missing octree argument");
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| 205 |
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/* set up output */
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| 206 |
schorsch |
2.3 |
SET_FILE_BINARY(stdout);
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| 207 |
greg |
2.1 |
readoct(octname, ~(IO_FILES|IO_INFO), &thescene, NULL);
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| 208 |
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nsceneobjs = nobjects;
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| 209 |
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| 210 |
|
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marksources(); /* find and mark sources */
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| 211 |
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| 212 |
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setambient(); /* initialize ambient calculation */
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| 213 |
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| 214 |
|
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rview(); /* run interactive viewer */
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| 215 |
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| 216 |
|
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ambsync(); /* flush ambient file */
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| 217 |
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| 218 |
|
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quit(0);
|
| 219 |
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| 220 |
|
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badopt:
|
| 221 |
|
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sprintf(errmsg, "command line error at '%s'", argv[i]);
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| 222 |
|
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error(USER, errmsg);
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| 223 |
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| 224 |
|
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#undef check
|
| 225 |
|
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#undef bool
|
| 226 |
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}
|
| 227 |
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|
| 228 |
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| 229 |
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void
|
| 230 |
|
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wputs(s) /* warning output function */
|
| 231 |
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char *s;
|
| 232 |
|
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{
|
| 233 |
|
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int lasterrno = errno;
|
| 234 |
|
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eputs(s);
|
| 235 |
|
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errno = lasterrno;
|
| 236 |
|
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}
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| 237 |
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| 238 |
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| 239 |
|
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void
|
| 240 |
|
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eputs(s) /* put string to stderr */
|
| 241 |
|
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register char *s;
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| 242 |
|
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{
|
| 243 |
|
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static int midline = 0;
|
| 244 |
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| 245 |
|
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if (!*s)
|
| 246 |
|
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return;
|
| 247 |
|
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if (!midline++) {
|
| 248 |
|
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fputs(progname, stderr);
|
| 249 |
|
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fputs(": ", stderr);
|
| 250 |
|
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}
|
| 251 |
|
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fputs(s, stderr);
|
| 252 |
|
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if (s[strlen(s)-1] == '\n') {
|
| 253 |
|
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fflush(stderr);
|
| 254 |
|
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midline = 0;
|
| 255 |
|
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}
|
| 256 |
|
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}
|
| 257 |
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| 258 |
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| 259 |
|
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void
|
| 260 |
|
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onsig(signo) /* fatal signal */
|
| 261 |
|
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int signo;
|
| 262 |
|
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{
|
| 263 |
|
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static int gotsig = 0;
|
| 264 |
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|
| 265 |
|
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if (gotsig++) /* two signals and we're gone! */
|
| 266 |
|
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_exit(signo);
|
| 267 |
|
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|
| 268 |
|
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alarm(15); /* allow 15 seconds to clean up */
|
| 269 |
|
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signal(SIGALRM, SIG_DFL); /* make certain we do die */
|
| 270 |
|
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eputs("signal - ");
|
| 271 |
|
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eputs(sigerr[signo]);
|
| 272 |
|
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eputs("\n");
|
| 273 |
|
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quit(3);
|
| 274 |
|
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}
|
| 275 |
|
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|
| 276 |
|
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|
| 277 |
|
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void
|
| 278 |
|
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sigdie(signo, msg) /* set fatal signal */
|
| 279 |
|
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int signo;
|
| 280 |
|
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char *msg;
|
| 281 |
|
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{
|
| 282 |
|
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if (signal(signo, onsig) == SIG_IGN)
|
| 283 |
|
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signal(signo, SIG_IGN);
|
| 284 |
|
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sigerr[signo] = msg;
|
| 285 |
|
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}
|
| 286 |
|
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|
| 287 |
|
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|
| 288 |
|
|
void
|
| 289 |
|
|
printdefaults() /* print default values to stdout */
|
| 290 |
|
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{
|
| 291 |
|
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register char *cp;
|
| 292 |
|
|
|
| 293 |
|
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printf(greyscale ? "-b+\t\t\t\t# greyscale on\n" :
|
| 294 |
|
|
"-b-\t\t\t\t# greyscale off\n");
|
| 295 |
|
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printf("-vt%c\t\t\t\t# view type %s\n", ourview.type,
|
| 296 |
|
|
ourview.type==VT_PER ? "perspective" :
|
| 297 |
|
|
ourview.type==VT_PAR ? "parallel" :
|
| 298 |
|
|
ourview.type==VT_HEM ? "hemispherical" :
|
| 299 |
|
|
ourview.type==VT_ANG ? "angular" :
|
| 300 |
|
|
ourview.type==VT_CYL ? "cylindrical" :
|
| 301 |
|
|
"unknown");
|
| 302 |
|
|
printf("-vp %f %f %f\t# view point\n",
|
| 303 |
|
|
ourview.vp[0], ourview.vp[1], ourview.vp[2]);
|
| 304 |
|
|
printf("-vd %f %f %f\t# view direction\n",
|
| 305 |
|
|
ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]);
|
| 306 |
|
|
printf("-vu %f %f %f\t# view up\n",
|
| 307 |
|
|
ourview.vup[0], ourview.vup[1], ourview.vup[2]);
|
| 308 |
|
|
printf("-vh %f\t\t\t# view horizontal size\n", ourview.horiz);
|
| 309 |
|
|
printf("-vv %f\t\t\t# view vertical size\n", ourview.vert);
|
| 310 |
|
|
printf("-vo %f\t\t\t# view fore clipping plane\n", ourview.vfore);
|
| 311 |
|
|
printf("-va %f\t\t\t# view aft clipping plane\n", ourview.vaft);
|
| 312 |
|
|
printf("-vs %f\t\t\t# view shift\n", ourview.hoff);
|
| 313 |
|
|
printf("-vl %f\t\t\t# view lift\n", ourview.voff);
|
| 314 |
|
|
printf("-pe %f\t\t\t# pixel exposure\n", exposure);
|
| 315 |
|
|
printf("-ps %-9d\t\t\t# pixel sample\n", psample);
|
| 316 |
|
|
printf("-pt %f\t\t\t# pixel threshold\n", maxdiff);
|
| 317 |
|
|
printf("-o %s\t\t\t\t# output device\n", dvcname);
|
| 318 |
|
|
printf(erract[WARNING].pf != NULL ?
|
| 319 |
|
|
"-w+\t\t\t\t# warning messages on\n" :
|
| 320 |
|
|
"-w-\t\t\t\t# warning messages off\n");
|
| 321 |
|
|
print_rdefaults();
|
| 322 |
|
|
}
|
