30 |
|
static OBJREC *fobj = NULL; /* current function object */ |
31 |
|
static RAY *fray = NULL; /* current function ray */ |
32 |
|
|
33 |
+ |
static char rayinitcal[] = INITFILE; |
34 |
+ |
|
35 |
|
static double l_erf(char *), l_erfc(char *), l_arg(char *); |
36 |
|
|
37 |
|
|
38 |
+ |
void |
39 |
+ |
initfunc() /* initialize function evaluation */ |
40 |
+ |
{ |
41 |
+ |
if (!rayinitcal[0]) /* already done? */ |
42 |
+ |
return; |
43 |
+ |
esupport |= E_VARIABLE|E_FUNCTION|E_INCHAN|E_RCONST|E_REDEFW; |
44 |
+ |
esupport &= ~(E_OUTCHAN); |
45 |
+ |
setcontext(""); |
46 |
+ |
scompile("Dx=$1;Dy=$2;Dz=$3;", NULL, 0); |
47 |
+ |
scompile("Nx=$4;Ny=$5;Nz=$6;", NULL, 0); |
48 |
+ |
scompile("Px=$7;Py=$8;Pz=$9;", NULL, 0); |
49 |
+ |
scompile("T=$10;Ts=$25;Rdot=$11;", NULL, 0); |
50 |
+ |
scompile("S=$12;Tx=$13;Ty=$14;Tz=$15;", NULL, 0); |
51 |
+ |
scompile("Ix=$16;Iy=$17;Iz=$18;", NULL, 0); |
52 |
+ |
scompile("Jx=$19;Jy=$20;Jz=$21;", NULL, 0); |
53 |
+ |
scompile("Kx=$22;Ky=$23;Kz=$24;", NULL, 0); |
54 |
+ |
scompile("Lu=$26;Lv=$27;", NULL, 0); |
55 |
+ |
funset("arg", 1, '=', l_arg); |
56 |
+ |
funset("erf", 1, ':', l_erf); |
57 |
+ |
funset("erfc", 1, ':', l_erfc); |
58 |
+ |
setnoisefuncs(); |
59 |
+ |
setprismfuncs(); |
60 |
+ |
loadfunc(rayinitcal); |
61 |
+ |
rayinitcal[0] = '\0'; |
62 |
+ |
} |
63 |
+ |
|
64 |
+ |
|
65 |
|
MFUNC * |
66 |
|
getfunc( /* get function for this modifier */ |
67 |
|
OBJREC *m, |
70 |
|
int dofwd |
71 |
|
) |
72 |
|
{ |
44 |
– |
static char initfile[] = INITFILE; |
73 |
|
char sbuf[MAXSTR]; |
74 |
|
char **arg; |
75 |
|
MFUNC *f; |
79 |
|
if ((f = (MFUNC *)m->os) != NULL) |
80 |
|
return(f); |
81 |
|
fobj = NULL; fray = NULL; |
82 |
< |
if (initfile[0]) { /* initialize on first call */ |
83 |
< |
esupport |= E_VARIABLE|E_FUNCTION|E_INCHAN|E_RCONST|E_REDEFW; |
56 |
< |
esupport &= ~(E_OUTCHAN); |
57 |
< |
setcontext(""); |
58 |
< |
scompile("Dx=$1;Dy=$2;Dz=$3;", NULL, 0); |
59 |
< |
scompile("Nx=$4;Ny=$5;Nz=$6;", NULL, 0); |
60 |
< |
scompile("Px=$7;Py=$8;Pz=$9;", NULL, 0); |
61 |
< |
scompile("T=$10;Ts=$25;Rdot=$11;", NULL, 0); |
62 |
< |
scompile("S=$12;Tx=$13;Ty=$14;Tz=$15;", NULL, 0); |
63 |
< |
scompile("Ix=$16;Iy=$17;Iz=$18;", NULL, 0); |
64 |
< |
scompile("Jx=$19;Jy=$20;Jz=$21;", NULL, 0); |
65 |
< |
scompile("Kx=$22;Ky=$23;Kz=$24;", NULL, 0); |
66 |
< |
scompile("Lu=$26;Lv=$27;", NULL, 0); |
67 |
< |
funset("arg", 1, '=', l_arg); |
68 |
< |
funset("erf", 1, ':', l_erf); |
69 |
< |
funset("erfc", 1, ':', l_erfc); |
70 |
< |
setnoisefuncs(); |
71 |
< |
setprismfuncs(); |
72 |
< |
loadfunc(initfile); |
73 |
< |
initfile[0] = '\0'; |
74 |
< |
} |
82 |
> |
if (rayinitcal[0]) /* initialize on first call */ |
83 |
> |
initfunc(); |
84 |
|
if ((na = m->oargs.nsargs) <= ff) |
85 |
|
goto toofew; |
86 |
|
arg = m->oargs.sarg; |
87 |
|
if ((f = (MFUNC *)calloc(1, sizeof(MFUNC))) == NULL) |
88 |
|
goto memerr; |
89 |
|
i = strlen(arg[ff]); /* set up context */ |
90 |
< |
if (i == 1 && arg[ff][0] == '.') |
90 |
> |
if (i == 1 && arg[ff][0] == '.') { |
91 |
|
setcontext(f->ctx = ""); /* "." means no file */ |
92 |
< |
else { |
92 |
> |
} else { |
93 |
|
strcpy(sbuf,arg[ff]); /* file name is context */ |
94 |
|
if (i > LCALSUF && !strcmp(sbuf+i-LCALSUF, CALSUF)) |
95 |
|
sbuf[i-LCALSUF] = '\0'; /* remove suffix */ |
117 |
|
i = ff+1; |
118 |
|
while (i < na && arg[i][0] != '-') |
119 |
|
i++; |
120 |
< |
if (i == na) /* no transform */ |
121 |
< |
f->f = f->b = &unitxf; |
122 |
< |
else { /* get transform */ |
123 |
< |
if ((f->b = (XF *)malloc(sizeof(XF))) == NULL) |
120 |
> |
if (i == na) { /* no transform */ |
121 |
> |
f->fxp = f->bxp = &unitxf; |
122 |
> |
} else { /* get transform */ |
123 |
> |
if ((f->bxp = (XF *)malloc(sizeof(XF))) == NULL) |
124 |
|
goto memerr; |
125 |
< |
if (invxf(f->b, na-i, arg+i) != na-i) |
125 |
> |
if (invxf(f->bxp, na-i, arg+i) != na-i) |
126 |
|
objerror(m, USER, "bad transform"); |
127 |
< |
if (f->b->sca < 0.0) |
128 |
< |
f->b->sca = -f->b->sca; |
127 |
> |
if (f->bxp->sca < 0.0) |
128 |
> |
f->bxp->sca = -f->bxp->sca; |
129 |
|
if (dofwd) { /* do both transforms */ |
130 |
< |
if ((f->f = (XF *)malloc(sizeof(XF))) == NULL) |
130 |
> |
if ((f->fxp = (XF *)malloc(sizeof(XF))) == NULL) |
131 |
|
goto memerr; |
132 |
< |
xf(f->f, na-i, arg+i); |
133 |
< |
if (f->f->sca < 0.0) |
134 |
< |
f->f->sca = -f->f->sca; |
132 |
> |
xf(f->fxp, na-i, arg+i); |
133 |
> |
if (f->fxp->sca < 0.0) |
134 |
> |
f->fxp->sca = -f->fxp->sca; |
135 |
|
} |
136 |
|
} |
137 |
|
m->os = (char *)f; |
165 |
|
dcleanup(2); /* remove definitions */ |
166 |
|
freestr(f->ctx); |
167 |
|
} |
168 |
< |
if (f->b != &unitxf) |
169 |
< |
free((void *)f->b); |
170 |
< |
if ((f->f != NULL) & (f->f != &unitxf)) |
171 |
< |
free((void *)f->f); |
168 |
> |
if (f->bxp != &unitxf) |
169 |
> |
free((void *)f->bxp); |
170 |
> |
if ((f->fxp != NULL) & (f->fxp != &unitxf)) |
171 |
> |
free((void *)f->fxp); |
172 |
|
free((void *)f); |
173 |
|
m->os = NULL; |
174 |
|
} |
176 |
|
|
177 |
|
int |
178 |
|
setfunc( /* set channels for function call */ |
179 |
< |
OBJREC *m, /* can be NULL */ |
180 |
< |
RAY *r |
179 |
> |
OBJREC *m, |
180 |
> |
RAY *r |
181 |
|
) |
182 |
|
{ |
183 |
< |
static RNUMBER lastrno = ~0; |
184 |
< |
MFUNC *f; |
183 |
> |
static RNUMBER lastrno = ~0; |
184 |
> |
MFUNC *f; |
185 |
|
/* get function if any */ |
186 |
< |
if (m != NULL) { |
187 |
< |
if ((f = (MFUNC *)m->os) == NULL) |
188 |
< |
objerror(m, CONSISTENCY, "setfunc called before getfunc"); |
189 |
< |
setcontext(f->ctx); /* set evaluator context */ |
181 |
< |
} else |
182 |
< |
setcontext(""); |
186 |
> |
if ((f = (MFUNC *)m->os) == NULL) |
187 |
> |
objerror(m, CONSISTENCY, "setfunc called before getfunc"); |
188 |
> |
|
189 |
> |
setcontext(f->ctx); /* set evaluator context */ |
190 |
|
/* check to see if matrix set */ |
191 |
|
if ((m == fobj) & (r->rno == lastrno)) |
192 |
|
return(0); |
193 |
|
fobj = m; |
194 |
|
fray = r; |
195 |
< |
if (r->rox != NULL) |
196 |
< |
if (f->b != &unitxf) { |
197 |
< |
funcxf.sca = r->rox->b.sca * f->b->sca; |
198 |
< |
multmat4(funcxf.xfm, r->rox->b.xfm, f->b->xfm); |
195 |
> |
if (r->rox != NULL) { |
196 |
> |
if (f->bxp != &unitxf) { |
197 |
> |
funcxf.sca = r->rox->b.sca * f->bxp->sca; |
198 |
> |
multmat4(funcxf.xfm, r->rox->b.xfm, f->bxp->xfm); |
199 |
|
} else |
200 |
|
funcxf = r->rox->b; |
201 |
< |
else |
202 |
< |
funcxf = *(f->b); |
201 |
> |
} else |
202 |
> |
funcxf = *f->bxp; |
203 |
> |
lastrno = r->rno; |
204 |
> |
eclock++; /* notify expression evaluator */ |
205 |
> |
return(1); |
206 |
> |
} |
207 |
> |
|
208 |
> |
|
209 |
> |
int |
210 |
> |
worldfunc( /* special function context sans object */ |
211 |
> |
char *ctx, |
212 |
> |
RAY *r |
213 |
> |
) |
214 |
> |
{ |
215 |
> |
static RNUMBER lastrno = ~0; |
216 |
> |
/* set evaluator context */ |
217 |
> |
setcontext(ctx); |
218 |
> |
/* check if ray already set */ |
219 |
> |
if ((fobj == NULL) & (r->rno == lastrno)) |
220 |
> |
return(0); |
221 |
> |
fobj = NULL; |
222 |
> |
fray = r; |
223 |
> |
funcxf = unitxf; |
224 |
|
lastrno = r->rno; |
225 |
|
eclock++; /* notify expression evaluator */ |
226 |
|
return(1); |