| 1 |
greg |
2.1 |
#ifndef lint |
| 2 |
greg |
2.13 |
static const char RCSid[] = "$Id: renderopts.c,v 2.12 2005/06/14 04:04:51 greg Exp $"; |
| 3 |
greg |
2.1 |
#endif |
| 4 |
|
|
/* |
| 5 |
|
|
* renderopts.c - process common rendering options |
| 6 |
|
|
* |
| 7 |
|
|
* External symbols declared in ray.h |
| 8 |
|
|
*/ |
| 9 |
|
|
|
| 10 |
greg |
2.2 |
#include "copyright.h" |
| 11 |
greg |
2.1 |
|
| 12 |
|
|
#include "ray.h" |
| 13 |
greg |
2.5 |
#include "paths.h" |
| 14 |
greg |
2.1 |
|
| 15 |
|
|
|
| 16 |
schorsch |
2.4 |
extern int |
| 17 |
|
|
getrenderopt( /* get next render option */ |
| 18 |
|
|
int ac, |
| 19 |
|
|
char *av[] |
| 20 |
|
|
) |
| 21 |
greg |
2.1 |
{ |
| 22 |
|
|
#define check(ol,al) if (av[0][ol] || \ |
| 23 |
|
|
badarg(ac-1,av+1,al)) \ |
| 24 |
|
|
return(-1) |
| 25 |
|
|
#define bool(olen,var) switch (av[0][olen]) { \ |
| 26 |
|
|
case '\0': var = !var; break; \ |
| 27 |
|
|
case 'y': case 'Y': case 't': case 'T': \ |
| 28 |
|
|
case '+': case '1': var = 1; break; \ |
| 29 |
|
|
case 'n': case 'N': case 'f': case 'F': \ |
| 30 |
|
|
case '-': case '0': var = 0; break; \ |
| 31 |
|
|
default: return(-1); } |
| 32 |
|
|
static char **amblp; /* pointer to build ambient list */ |
| 33 |
|
|
int rval; |
| 34 |
|
|
/* is it even an option? */ |
| 35 |
|
|
if (ac < 1 || av[0] == NULL || av[0][0] != '-') |
| 36 |
|
|
return(-1); |
| 37 |
|
|
/* check if it's one we know */ |
| 38 |
|
|
switch (av[0][1]) { |
| 39 |
greg |
2.10 |
case 'u': /* uncorrelated sampling */ |
| 40 |
greg |
2.9 |
bool(2,rand_samp); |
| 41 |
|
|
return(0); |
| 42 |
greg |
2.1 |
case 'b': /* back face vis. */ |
| 43 |
|
|
if (av[0][2] == 'v') { |
| 44 |
|
|
bool(3,backvis); |
| 45 |
|
|
return(0); |
| 46 |
|
|
} |
| 47 |
|
|
break; |
| 48 |
|
|
case 'd': /* direct */ |
| 49 |
|
|
switch (av[0][2]) { |
| 50 |
|
|
case 't': /* threshold */ |
| 51 |
|
|
check(3,"f"); |
| 52 |
|
|
shadthresh = atof(av[1]); |
| 53 |
|
|
return(1); |
| 54 |
|
|
case 'c': /* certainty */ |
| 55 |
|
|
check(3,"f"); |
| 56 |
|
|
shadcert = atof(av[1]); |
| 57 |
|
|
return(1); |
| 58 |
|
|
case 'j': /* jitter */ |
| 59 |
|
|
check(3,"f"); |
| 60 |
|
|
dstrsrc = atof(av[1]); |
| 61 |
|
|
return(1); |
| 62 |
|
|
case 'r': /* relays */ |
| 63 |
|
|
check(3,"i"); |
| 64 |
|
|
directrelay = atoi(av[1]); |
| 65 |
|
|
return(1); |
| 66 |
|
|
case 'p': /* pretest */ |
| 67 |
|
|
check(3,"i"); |
| 68 |
|
|
vspretest = atoi(av[1]); |
| 69 |
|
|
return(1); |
| 70 |
|
|
case 'v': /* visibility */ |
| 71 |
|
|
bool(3,directvis); |
| 72 |
|
|
return(0); |
| 73 |
|
|
case 's': /* size */ |
| 74 |
|
|
check(3,"f"); |
| 75 |
|
|
srcsizerat = atof(av[1]); |
| 76 |
|
|
return(1); |
| 77 |
|
|
} |
| 78 |
|
|
break; |
| 79 |
|
|
case 's': /* specular */ |
| 80 |
|
|
switch (av[0][2]) { |
| 81 |
|
|
case 't': /* threshold */ |
| 82 |
|
|
check(3,"f"); |
| 83 |
|
|
specthresh = atof(av[1]); |
| 84 |
|
|
return(1); |
| 85 |
|
|
case 'j': /* jitter */ |
| 86 |
|
|
check(3,"f"); |
| 87 |
|
|
specjitter = atof(av[1]); |
| 88 |
|
|
return(1); |
| 89 |
|
|
} |
| 90 |
|
|
break; |
| 91 |
|
|
case 'l': /* limit */ |
| 92 |
|
|
switch (av[0][2]) { |
| 93 |
|
|
case 'r': /* recursion */ |
| 94 |
|
|
check(3,"i"); |
| 95 |
|
|
maxdepth = atoi(av[1]); |
| 96 |
|
|
return(1); |
| 97 |
|
|
case 'w': /* weight */ |
| 98 |
|
|
check(3,"f"); |
| 99 |
|
|
minweight = atof(av[1]); |
| 100 |
|
|
return(1); |
| 101 |
|
|
} |
| 102 |
|
|
break; |
| 103 |
|
|
case 'i': /* irradiance */ |
| 104 |
|
|
bool(2,do_irrad); |
| 105 |
|
|
return(0); |
| 106 |
|
|
case 'a': /* ambient */ |
| 107 |
|
|
switch (av[0][2]) { |
| 108 |
|
|
case 'v': /* value */ |
| 109 |
|
|
check(3,"fff"); |
| 110 |
|
|
setcolor(ambval, atof(av[1]), |
| 111 |
|
|
atof(av[2]), |
| 112 |
|
|
atof(av[3])); |
| 113 |
|
|
return(3); |
| 114 |
|
|
case 'w': /* weight */ |
| 115 |
|
|
check(3,"i"); |
| 116 |
|
|
ambvwt = atoi(av[1]); |
| 117 |
|
|
return(1); |
| 118 |
|
|
case 'a': /* accuracy */ |
| 119 |
|
|
check(3,"f"); |
| 120 |
|
|
ambacc = atof(av[1]); |
| 121 |
|
|
return(1); |
| 122 |
|
|
case 'r': /* resolution */ |
| 123 |
|
|
check(3,"i"); |
| 124 |
|
|
ambres = atoi(av[1]); |
| 125 |
|
|
return(1); |
| 126 |
|
|
case 'd': /* divisions */ |
| 127 |
|
|
check(3,"i"); |
| 128 |
|
|
ambdiv = atoi(av[1]); |
| 129 |
|
|
return(1); |
| 130 |
|
|
case 's': /* super-samp */ |
| 131 |
|
|
check(3,"i"); |
| 132 |
|
|
ambssamp = atoi(av[1]); |
| 133 |
|
|
return(1); |
| 134 |
|
|
case 'b': /* bounces */ |
| 135 |
|
|
check(3,"i"); |
| 136 |
|
|
ambounce = atoi(av[1]); |
| 137 |
|
|
return(1); |
| 138 |
|
|
case 'i': /* include */ |
| 139 |
|
|
case 'I': |
| 140 |
|
|
check(3,"s"); |
| 141 |
|
|
if (ambincl != 1) { |
| 142 |
|
|
ambincl = 1; |
| 143 |
|
|
amblp = amblist; |
| 144 |
|
|
} |
| 145 |
|
|
if (av[0][2] == 'I') { /* file */ |
| 146 |
|
|
rval = wordfile(amblp, |
| 147 |
greg |
2.3 |
getpath(av[1],getrlibpath(),R_OK)); |
| 148 |
greg |
2.1 |
if (rval < 0) { |
| 149 |
|
|
sprintf(errmsg, |
| 150 |
greg |
2.7 |
"cannot open ambient include file \"%s\"", av[1]); |
| 151 |
greg |
2.1 |
error(SYSTEM, errmsg); |
| 152 |
|
|
} |
| 153 |
|
|
amblp += rval; |
| 154 |
|
|
} else { |
| 155 |
greg |
2.6 |
*amblp++ = savqstr(av[1]); |
| 156 |
greg |
2.1 |
*amblp = NULL; |
| 157 |
|
|
} |
| 158 |
|
|
return(1); |
| 159 |
|
|
case 'e': /* exclude */ |
| 160 |
|
|
case 'E': |
| 161 |
|
|
check(3,"s"); |
| 162 |
|
|
if (ambincl != 0) { |
| 163 |
|
|
ambincl = 0; |
| 164 |
|
|
amblp = amblist; |
| 165 |
|
|
} |
| 166 |
|
|
if (av[0][2] == 'E') { /* file */ |
| 167 |
|
|
rval = wordfile(amblp, |
| 168 |
greg |
2.3 |
getpath(av[1],getrlibpath(),R_OK)); |
| 169 |
greg |
2.1 |
if (rval < 0) { |
| 170 |
|
|
sprintf(errmsg, |
| 171 |
greg |
2.7 |
"cannot open ambient exclude file \"%s\"", av[1]); |
| 172 |
greg |
2.1 |
error(SYSTEM, errmsg); |
| 173 |
|
|
} |
| 174 |
|
|
amblp += rval; |
| 175 |
|
|
} else { |
| 176 |
greg |
2.6 |
*amblp++ = savqstr(av[1]); |
| 177 |
greg |
2.1 |
*amblp = NULL; |
| 178 |
|
|
} |
| 179 |
|
|
return(1); |
| 180 |
|
|
case 'f': /* file */ |
| 181 |
|
|
check(3,"s"); |
| 182 |
greg |
2.6 |
ambfile = savqstr(av[1]); |
| 183 |
greg |
2.1 |
return(1); |
| 184 |
|
|
} |
| 185 |
|
|
break; |
| 186 |
|
|
case 'm': /* medium */ |
| 187 |
|
|
switch (av[0][2]) { |
| 188 |
|
|
case 'e': /* extinction */ |
| 189 |
|
|
check(3,"fff"); |
| 190 |
|
|
setcolor(cextinction, atof(av[1]), |
| 191 |
|
|
atof(av[2]), |
| 192 |
|
|
atof(av[3])); |
| 193 |
|
|
return(3); |
| 194 |
|
|
case 'a': /* albedo */ |
| 195 |
|
|
check(3,"fff"); |
| 196 |
|
|
setcolor(salbedo, atof(av[1]), |
| 197 |
|
|
atof(av[2]), |
| 198 |
|
|
atof(av[3])); |
| 199 |
|
|
return(3); |
| 200 |
|
|
case 'g': /* eccentr. */ |
| 201 |
|
|
check(3,"f"); |
| 202 |
|
|
seccg = atof(av[1]); |
| 203 |
|
|
return(1); |
| 204 |
|
|
case 's': /* sampling */ |
| 205 |
|
|
check(3,"f"); |
| 206 |
|
|
ssampdist = atof(av[1]); |
| 207 |
|
|
return(1); |
| 208 |
|
|
} |
| 209 |
|
|
break; |
| 210 |
|
|
} |
| 211 |
|
|
return(-1); /* unknown option */ |
| 212 |
|
|
|
| 213 |
|
|
#undef check |
| 214 |
|
|
#undef bool |
| 215 |
|
|
} |
| 216 |
|
|
|
| 217 |
|
|
|
| 218 |
schorsch |
2.4 |
extern void |
| 219 |
|
|
print_rdefaults(void) /* print default render values to stdout */ |
| 220 |
greg |
2.1 |
{ |
| 221 |
|
|
printf(do_irrad ? "-i+\t\t\t\t# irradiance calculation on\n" : |
| 222 |
|
|
"-i-\t\t\t\t# irradiance calculation off\n"); |
| 223 |
greg |
2.11 |
printf(rand_samp ? "-u+\t\t\t\t# uncorrelated Monte Carlo sampling\n" : |
| 224 |
greg |
2.12 |
"-u-\t\t\t\t# correlated quasi-Monte Carlo sampling\n"); |
| 225 |
greg |
2.1 |
printf(backvis ? "-bv+\t\t\t\t# back face visibility on\n" : |
| 226 |
|
|
"-bv-\t\t\t\t# back face visibility off\n"); |
| 227 |
|
|
printf("-dt %f\t\t\t# direct threshold\n", shadthresh); |
| 228 |
|
|
printf("-dc %f\t\t\t# direct certainty\n", shadcert); |
| 229 |
|
|
printf("-dj %f\t\t\t# direct jitter\n", dstrsrc); |
| 230 |
|
|
printf("-ds %f\t\t\t# direct sampling\n", srcsizerat); |
| 231 |
|
|
printf("-dr %-9d\t\t\t# direct relays\n", directrelay); |
| 232 |
|
|
printf("-dp %-9d\t\t\t# direct pretest density\n", vspretest); |
| 233 |
|
|
printf(directvis ? "-dv+\t\t\t\t# direct visibility on\n" : |
| 234 |
|
|
"-dv-\t\t\t\t# direct visibility off\n"); |
| 235 |
|
|
printf("-sj %f\t\t\t# specular jitter\n", specjitter); |
| 236 |
|
|
printf("-st %f\t\t\t# specular threshold\n", specthresh); |
| 237 |
|
|
printf("-av %f %f %f\t# ambient value\n", colval(ambval,RED), |
| 238 |
|
|
colval(ambval,GRN), colval(ambval, BLU)); |
| 239 |
|
|
printf("-aw %-9d\t\t\t# ambient value weight\n", ambvwt); |
| 240 |
|
|
printf("-ab %-9d\t\t\t# ambient bounces\n", ambounce); |
| 241 |
|
|
printf("-aa %f\t\t\t# ambient accuracy\n", ambacc); |
| 242 |
|
|
printf("-ar %-9d\t\t\t# ambient resolution\n", ambres); |
| 243 |
|
|
printf("-ad %-9d\t\t\t# ambient divisions\n", ambdiv); |
| 244 |
|
|
printf("-as %-9d\t\t\t# ambient super-samples\n", ambssamp); |
| 245 |
|
|
printf("-me %.2e %.2e %.2e\t# mist extinction coefficient\n", |
| 246 |
|
|
colval(cextinction,RED), |
| 247 |
|
|
colval(cextinction,GRN), |
| 248 |
|
|
colval(cextinction,BLU)); |
| 249 |
|
|
printf("-ma %f %f %f\t# mist scattering albedo\n", colval(salbedo,RED), |
| 250 |
|
|
colval(salbedo,GRN), colval(salbedo,BLU)); |
| 251 |
|
|
printf("-mg %f\t\t\t# mist scattering eccentricity\n", seccg); |
| 252 |
|
|
printf("-ms %f\t\t\t# mist sampling distance\n", ssampdist); |
| 253 |
greg |
2.8 |
printf("-lr %-9d\t\t\t# limit reflection%s\n", maxdepth, |
| 254 |
|
|
maxdepth<=0 ? " (Russian roulette)" : ""); |
| 255 |
greg |
2.13 |
printf("-lw %.2e\t\t\t# limit weight\n", minweight); |
| 256 |
greg |
2.1 |
} |
