99 |
|
} |
100 |
|
if ((pathname = getpath(mname, getrlibpath(), R_OK)) == NULL) { |
101 |
|
sprintf(errmsg, "cannot find mesh file \"%s\"", mname); |
102 |
< |
error(USER, errmsg); |
102 |
> |
error(SYSTEM, errmsg); |
103 |
|
} |
104 |
|
flags &= ~ms->ldflags; |
105 |
|
if (flags) |
151 |
|
int pn; |
152 |
|
MESHPATCH *pp; |
153 |
|
|
154 |
< |
if (*tip == OVOID) { /* check for first index */ |
155 |
< |
*tip = 0; |
156 |
< |
return(mp->npatches > 0); /* assumes 1 local triangle */ |
157 |
< |
} |
158 |
< |
pn = *tip >> 10; |
159 |
< |
if (pn >= mp->npatches) /* past end? */ |
160 |
< |
return(0); |
161 |
< |
pp = &mp->patch[pn]; |
162 |
< |
if (!(*tip & 0x200)) { /* local triangle? */ |
163 |
< |
if ((*tip & 0x1ff) < pp->ntris-1) { |
164 |
< |
++*tip; |
165 |
< |
return(1); |
154 |
> |
pn = ++(*tip) >> 10; /* next triangle (OVOID init) */ |
155 |
> |
while (pn < mp->npatches) { |
156 |
> |
pp = &mp->patch[pn]; |
157 |
> |
if (!(*tip & 0x200)) { /* local triangle? */ |
158 |
> |
if ((*tip & 0x1ff) < pp->ntris) |
159 |
> |
return(1); |
160 |
> |
*tip &= ~0x1ff; /* move on to single-joiners */ |
161 |
> |
*tip |= 0x200; |
162 |
|
} |
163 |
< |
*tip &= ~0x1ff; /* move on to single-joiners */ |
164 |
< |
*tip |= 0x200; |
165 |
< |
if (pp->nj1tris) /* is there at least one? */ |
166 |
< |
return(1); |
167 |
< |
} |
172 |
< |
if (!(*tip & 0x100)) { /* single joiner? */ |
173 |
< |
if ((*tip & 0xff) < pp->nj1tris-1) { |
174 |
< |
++*tip; |
175 |
< |
return(1); |
163 |
> |
if (!(*tip & 0x100)) { /* single joiner? */ |
164 |
> |
if ((*tip & 0xff) < pp->nj1tris) |
165 |
> |
return(1); |
166 |
> |
*tip &= ~0xff; /* move on to double-joiners */ |
167 |
> |
*tip |= 0x100; |
168 |
|
} |
169 |
< |
*tip &= ~0xff; /* move on to double-joiners */ |
178 |
< |
*tip |= 0x100; |
179 |
< |
if (pp->nj2tris) /* is there one? */ |
169 |
> |
if ((*tip & 0xff) < pp->nj2tris) |
170 |
|
return(1); |
171 |
+ |
*tip = ++pn << 10; /* first in next patch */ |
172 |
|
} |
173 |
< |
if ((*tip & 0xff) < pp->nj2tris-1) { /* double-joiner? */ |
183 |
< |
++*tip; |
184 |
< |
return(1); |
185 |
< |
} |
186 |
< |
*tip = ++pn << 10; /* first in next patch */ |
187 |
< |
return(pn < mp->npatches); |
173 |
> |
return(0); /* out of patches */ |
174 |
|
} |
175 |
|
|
176 |
|
int |