| 86 |
|
int i, j, m, n; |
| 87 |
|
char stmp[256]; |
| 88 |
|
|
| 89 |
+ |
esupport |= E_VARIABLE|E_FUNCTION|E_RCONST; |
| 90 |
+ |
esupport &= ~(E_OUTCHAN|E_INCHAN); |
| 91 |
|
varset("PI", ':', PI); |
| 92 |
|
funset("hermite", 5, ':', l_hermite); |
| 93 |
|
funset("bezier", 5, ':', l_bezier); |
| 99 |
|
for (i = 8; i < argc; i++) |
| 100 |
|
if (!strcmp(argv[i], "-e")) |
| 101 |
|
scompile(argv[++i], NULL, 0); |
| 102 |
< |
else if (!strcmp(argv[i], "-f")) |
| 103 |
< |
fcompile(argv[++i]); |
| 104 |
< |
else if (!strcmp(argv[i], "-s")) |
| 102 |
> |
else if (!strcmp(argv[i], "-f")) { |
| 103 |
> |
char *fpath = getpath(argv[++i], getrlibpath(), 0); |
| 104 |
> |
if (fpath == NULL) { |
| 105 |
> |
fprintf(stderr, "%s: cannot find file '%s'\n", |
| 106 |
> |
argv[0], argv[i]); |
| 107 |
> |
quit(1); |
| 108 |
> |
} |
| 109 |
> |
fcompile(fpath); |
| 110 |
> |
} else if (!strcmp(argv[i], "-s")) |
| 111 |
|
smooth++; |
| 112 |
|
else if (!strcmp(argv[i], "-o")) |
| 113 |
|
objout++; |
| 116 |
|
|
| 117 |
|
modname = argv[1]; |
| 118 |
|
surfname = argv[2]; |
| 119 |
< |
m = atoi(argv[6]); |
| 120 |
< |
n = atoi(argv[7]); |
| 119 |
> |
m = eval(argv[6]) + .5; |
| 120 |
> |
n = eval(argv[7]) + .5; |
| 121 |
|
if (m <= 0 || n <= 0) |
| 122 |
|
goto userror; |
| 123 |
|
if (!strcmp(argv[5], "-") || access(argv[5], 4) == 0) { /* file? */ |
| 510 |
|
/* compute row 1 normals */ |
| 511 |
|
while (siz-- >= 0) { |
| 512 |
|
if (!r1[0].valid) |
| 513 |
< |
continue; |
| 513 |
> |
goto skip; |
| 514 |
|
if (!r0[0].valid) { |
| 515 |
|
if (!r2[0].valid) { |
| 516 |
|
r1[0].n[0] = r1[0].n[1] = r1[0].n[2] = 0.0; |
| 517 |
< |
continue; |
| 517 |
> |
goto skip; |
| 518 |
|
} |
| 519 |
|
fvsum(v1, r2[0].p, r1[0].p, -1.0); |
| 520 |
|
} else if (!r2[0].valid) |
| 524 |
|
if (!r1[-1].valid) { |
| 525 |
|
if (!r1[1].valid) { |
| 526 |
|
r1[0].n[0] = r1[0].n[1] = r1[0].n[2] = 0.0; |
| 527 |
< |
continue; |
| 527 |
> |
goto skip; |
| 528 |
|
} |
| 529 |
|
fvsum(v2, r1[1].p, r1[0].p, -1.0); |
| 530 |
|
} else if (!r1[1].valid) |
| 533 |
|
fvsum(v2, r1[1].p, r1[-1].p, -1.0); |
| 534 |
|
fcross(r1[0].n, v1, v2); |
| 535 |
|
normalize(r1[0].n); |
| 536 |
+ |
skip: |
| 537 |
|
r0++; r1++; r2++; |
| 538 |
|
} |
| 539 |
|
} |