| 115 |
|
error(USER, errmsg); |
| 116 |
|
} |
| 117 |
|
|
| 118 |
– |
/* Add a vertex to our scene */ |
| 119 |
– |
static void |
| 120 |
– |
add_vertex(Scene *sc, double x, double y, double z) |
| 121 |
– |
{ |
| 122 |
– |
sc->vert = chunk_alloc(Vertex, sc->vert, sc->nverts); |
| 123 |
– |
sc->vert[sc->nverts].p[0] = x; |
| 124 |
– |
sc->vert[sc->nverts].p[1] = y; |
| 125 |
– |
sc->vert[sc->nverts].p[2] = z; |
| 126 |
– |
sc->vert[sc->nverts++].vflist = NULL; |
| 127 |
– |
} |
| 128 |
– |
|
| 129 |
– |
/* Add a texture coordinate to our scene */ |
| 130 |
– |
static void |
| 131 |
– |
add_texture(Scene *sc, double u, double v) |
| 132 |
– |
{ |
| 133 |
– |
sc->tex = chunk_alloc(TexCoord, sc->tex, sc->ntex); |
| 134 |
– |
sc->tex[sc->ntex].u = u; |
| 135 |
– |
sc->tex[sc->ntex].v = v; |
| 136 |
– |
sc->ntex++; |
| 137 |
– |
} |
| 138 |
– |
|
| 139 |
– |
/* Add a surface normal to our scene */ |
| 140 |
– |
static int |
| 141 |
– |
add_normal(Scene *sc, double xn, double yn, double zn) |
| 142 |
– |
{ |
| 143 |
– |
FVECT nrm; |
| 144 |
– |
|
| 145 |
– |
nrm[0] = xn; nrm[1] = yn; nrm[2] = zn; |
| 146 |
– |
if (normalize(nrm) == .0) |
| 147 |
– |
return(0); |
| 148 |
– |
sc->norm = chunk_alloc(Normal, sc->norm, sc->nnorms); |
| 149 |
– |
VCOPY(sc->norm[sc->nnorms], nrm); |
| 150 |
– |
sc->nnorms++; |
| 151 |
– |
return(1); |
| 152 |
– |
} |
| 153 |
– |
|
| 118 |
|
/* combine multi-group name into single identifier w/o spaces */ |
| 119 |
|
static char * |
| 120 |
|
group_name(int ac, char **av) |
| 143 |
|
return(nambuf); |
| 144 |
|
} |
| 145 |
|
|
| 182 |
– |
/* set current group */ |
| 183 |
– |
static void |
| 184 |
– |
set_group(Scene *sc, const char *nm) |
| 185 |
– |
{ |
| 186 |
– |
sc->lastgrp = findName(nm, (const char **)sc->grpname, sc->ngrps); |
| 187 |
– |
if (sc->lastgrp >= 0) |
| 188 |
– |
return; |
| 189 |
– |
sc->grpname = chunk_alloc(char *, sc->grpname, sc->ngrps); |
| 190 |
– |
sc->grpname[sc->lastgrp=sc->ngrps++] = savqstr((char *)nm); |
| 191 |
– |
} |
| 192 |
– |
|
| 193 |
– |
/* set current material */ |
| 194 |
– |
static void |
| 195 |
– |
set_material(Scene *sc, const char *nm) |
| 196 |
– |
{ |
| 197 |
– |
sc->lastmat = findName(nm, (const char **)sc->matname, sc->nmats); |
| 198 |
– |
if (sc->lastmat >= 0) |
| 199 |
– |
return; |
| 200 |
– |
sc->matname = chunk_alloc(char *, sc->matname, sc->nmats); |
| 201 |
– |
sc->matname[sc->lastmat=sc->nmats++] = savqstr((char *)nm); |
| 202 |
– |
} |
| 203 |
– |
|
| 146 |
|
/* Add a new face to scene */ |
| 147 |
|
static int |
| 148 |
|
add_face(Scene *sc, const VNDX ondx, int ac, char *av[]) |
| 230 |
|
syntax(fspec, "bad vertex"); |
| 231 |
|
goto failure; |
| 232 |
|
} |
| 233 |
< |
add_vertex(sc, atof(argv[1]), |
| 233 |
> |
addVertex(sc, atof(argv[1]), |
| 234 |
|
atof(argv[2]), |
| 235 |
|
atof(argv[3])); |
| 236 |
|
break; |
| 239 |
|
goto unknown; |
| 240 |
|
if (badarg(argc-1,argv+1,"ff")) |
| 241 |
|
goto unknown; |
| 242 |
< |
add_texture(sc, atof(argv[1]), atof(argv[2])); |
| 242 |
> |
addTexture(sc, atof(argv[1]), atof(argv[2])); |
| 243 |
|
break; |
| 244 |
|
case 'n': /* normal */ |
| 245 |
|
if (argv[0][2]) |
| 248 |
|
syntax(fspec, "bad normal"); |
| 249 |
|
goto failure; |
| 250 |
|
} |
| 251 |
< |
if (!add_normal(sc, atof(argv[1]), |
| 251 |
> |
if (addNormal(sc, atof(argv[1]), |
| 252 |
|
atof(argv[2]), |
| 253 |
< |
atof(argv[3]))) { |
| 253 |
> |
atof(argv[3])) < 0) { |
| 254 |
|
syntax(fspec, "zero normal"); |
| 255 |
|
goto failure; |
| 256 |
|
} |
| 276 |
|
syntax(fspec, "bad # arguments"); |
| 277 |
|
goto failure; |
| 278 |
|
} |
| 279 |
< |
set_material(sc, argv[1]); |
| 279 |
> |
setMaterial(sc, argv[1]); |
| 280 |
|
break; |
| 281 |
|
case 'o': /* object name */ |
| 282 |
|
case 'g': /* group name */ |
| 284 |
|
syntax(fspec, "missing argument"); |
| 285 |
|
goto failure; |
| 286 |
|
} |
| 287 |
< |
set_group(sc, group_name(argc-1, argv+1)); |
| 287 |
> |
setGroup(sc, group_name(argc-1, argv+1)); |
| 288 |
|
break; |
| 289 |
|
case '#': /* comment */ |
| 290 |
|
continue; |
